With the continuous development of the construction industry,the density of engineering construction and the difficulty of underground construction are also increasing.As an important construction protection measure,f...With the continuous development of the construction industry,the density of engineering construction and the difficulty of underground construction are also increasing.As an important construction protection measure,foundation pit support construction is widely used in underground construction.Starting from the characteristics of foundation pit support construction,this paper analyzes the influence of geotechnical investigation on foundation pit support construction,and analyzes the problems that need to be paid attention to in the survey process.展开更多
LIRR＇s Priject of ＂Research on Spalling Mechanism Due to Rapid Heating-up of Dense Refractory Castables＂ declared by Wang Zhanmin,vice-president of LIRR,will gain the fund support from National Natural Science Foun...LIRR＇s Priject of ＂Research on Spalling Mechanism Due to Rapid Heating-up of Dense Refractory Castables＂ declared by Wang Zhanmin,vice-president of LIRR,will gain the fund support from National Natural Science Foundation of China in 2011.展开更多
Foundation pit support is a very important part in geotechnical engineering. The construction quality of foundation pit support directly affects the construction quality of the whole geotechnical engineering. Therefor...Foundation pit support is a very important part in geotechnical engineering. The construction quality of foundation pit support directly affects the construction quality of the whole geotechnical engineering. Therefore, the development of foundation pit support technology can significantly improve the construction quality of geotechnical engineering. In the process of technological renewal and development, in-depth exploration should be carried out to comprehensively detect different geological and rock types, and the development methods used are also different. In the process of technological upgrading and development, a comprehensive understanding of geological structure, soil layer, rock distribution characteristics and surrounding hydrological characteristics is required. This paper mainly discusses the influence of geotechnical engineering investigation on foundation pit supporting construction, and puts forward effective countermeasures of geotechnical engineering investigation on the basis of clarifying its main influence, so as to reduce its adverse influence on foundation pit supporting construction and make the construction project carry out smoothly and steadily.展开更多
With the rapid development of society and the significant increase of high-rise buildings, the design of deep foundation pit supporting in the process of building plays a more and more obvious role. In order to ensure...With the rapid development of society and the significant increase of high-rise buildings, the design of deep foundation pit supporting in the process of building plays a more and more obvious role. In order to ensure the stability and safety of buildings, we must improve the attention to the design of deep foundation pit supporting. However, no matter from which point of view of geotechnical engineering, there are some problems, such as unreasonable mechanical parameters selected and weak representative sampling of soil in deep foundation pit. These problems are not conducive to promoting the design and construction of deep foundation pit support. For this reason, the problems existing in the design and construction are taken as the starting point. Then, according to the existing problems, countermeasures are put forward from three aspects: scientific mechanical parameters selection, advanced design methods application and scientific sampling.展开更多
In recent years, the population of our country has increased dramatically, which directly affects the need for more architectural works and the demand for architectural space. According to the relevant survey data, th...In recent years, the population of our country has increased dramatically, which directly affects the need for more architectural works and the demand for architectural space. According to the relevant survey data, the land available for construction in our country is less and less, and in some areas it is even scarcer. Facing the current situation of large-scale rise of high-rise buildings and super-high-rise buildings, in order to ensure the construction quality and safety, strengthening the construction technology and management of deep foundation pit support is an inevitable choice. However, there are many influencing factors in the process of deep foundation pit supporting construction, and the foundation pit situation is complicated, so there may be nonstandard operation or material quality that does not meet the requirements, laying a series of hidden dangers for the overall construction quality of the project. This paper analyzes the selection and management of deep foundation pit supporting construction technology in construction, and based on the actual situation, formulates a practical and feasible special construction plan.展开更多
As an important part of geotechnical engineering, the design and construction quality of deep foundation pit support directly affect the smooth development of geotechnical engineering. In the actual construction of de...As an important part of geotechnical engineering, the design and construction quality of deep foundation pit support directly affect the smooth development of geotechnical engineering. In the actual construction of deep foundation pit support, various problems are often encountered, resulting in quality problems of deep foundation pit support. It is a powerful means to promote the development of geotechnical engineering to analyze the common problems in the design and construction of deep foundation pit support and find scientific and reasonable solutions. Based on this, this paper will study the design and construction of deep foundation pit support in geotechnical engineering.展开更多
In the construction process, the overall quality level of the building is mainly determined by the deep pit supporting construction. In order to further optimize the construction process and further improve the qualit...In the construction process, the overall quality level of the building is mainly determined by the deep pit supporting construction. In order to further optimize the construction process and further improve the quality level and ensure the safety, it is necessary to analyze the key points of the construction in detail. Strengthening the support construction of deep foundation pit can improve the overall quality level of the project and ensure the stability and prolong the service life of the building. Therefore, the construction industry must pay more attention to the construction technology of deep foundation pit support, and use more scientific methods to improve this technology more effectively, so that this technology can be widely popularized and used in the construction industry. In addition, although the deep foundation pit support technology has developed well, there will inevitably be some problems in the development process. The construction party should analyze and study these situations, and adjust the construction scheme according to some influencing factors to make it more reasonable, so as to ensure its accuracy and technical effectiveness.展开更多
In the process of construction, deep foundation pit supporting construction is a complex and difficult construction content, which has always been taken seriously by all major engineering constructors. As the quality ...In the process of construction, deep foundation pit supporting construction is a complex and difficult construction content, which has always been taken seriously by all major engineering constructors. As the quality and quantity of deep foundation pit supporting construction link will directly affect the construction quality of the entire construction project, it is required that constructors should pay enough attention to this link. In the actual construction process of construction engineering, appropriate construction technology should be selected according to the construction link and actual construction demand, so as to ensure the construction efficiency and quality. Meanwhile, the quality supervision of deep foundation pit supporting construction should be strengthened to ensure that the building quality meets the requirements.展开更多
With the sustained and stable development of Chinas economy, the urbanization process is accelerating, and the number of construction projects in various regions has increased significantly. How to ensure the quality ...With the sustained and stable development of Chinas economy, the urbanization process is accelerating, and the number of construction projects in various regions has increased significantly. How to ensure the quality of construction projects is the problem that relevant institutions need to solve. Foundation is the foundation structure of construction engineering, and the deep foundation pit support construction can affect the overall quality of foundation construction, and then affect the stability and safety of construction engineering. Therefore, it is necessary to strengthen technical research, and take effective control measures. This paper analyzes and summarizes the construction technology and control measures of deep foundation pit support in construction engineering, and introduces engineering examples to explore the specific application methods of related technologies.展开更多
In the process of deep foundation pit construction of civil engineering, support technology is usually used to ensure the safety of the surrounding environment and foundation, so as to ensure the smooth progress of re...In the process of deep foundation pit construction of civil engineering, support technology is usually used to ensure the safety of the surrounding environment and foundation, so as to ensure the smooth progress of related construction work. So part of deep foundation pit construction, the need to pay attention to the construction personnel safety and the corresponding technical management, guarantee the construction quality of the link, lay a good foundation for the construction of the follow-up. Based on this, this article focuses on analyzing the civil engineering construction of deep foundation pit supporting points and the corresponding quality control measures, the purpose is to improve on the part of the construction quality control, and improve the attention of construction enterprises to the correct application of this link technology at the same time.展开更多
In the process of social and economic development, construction enterprises are developing faster and faster, and there are more and more construction projects.Deep foundation pit support engineering is the key conten...In the process of social and economic development, construction enterprises are developing faster and faster, and there are more and more construction projects.Deep foundation pit support engineering is the key content in the process of building construction, which affects the overall quality of the building and needs to be paid more attention.From the actual situation, there are still some problems in the construction process of building deep foundation pit support engineering, which affect the project quality.Based on this, this paper discusses the application of deep foundation pit support technology in construction engineering.展开更多
The effective application of foundation pit support construction technology in civil construction can fundamentally solve the problems of construction engineering which is not stable enough and the follow-up construct...The effective application of foundation pit support construction technology in civil construction can fundamentally solve the problems of construction engineering which is not stable enough and the follow-up construction safety cannot be guaranteed, which has always been the focus of the field of construction engineering. The actual construction foundation pit support work has a strong systematic system which involves a wide range of contents and disciplines. The foundation pit support project at the current stage can be based on the perspective of function, continuously promote the coordination of each part and provide an effective guarantee for the safety and economy of the foundation pit support.展开更多
The deep foundation pit of industrial and civil construction engineering is the core part of the foundation construction of the project, so it can ensure the support quality of deep foundation pit and ensure the smoot...The deep foundation pit of industrial and civil construction engineering is the core part of the foundation construction of the project, so it can ensure the support quality of deep foundation pit and ensure the smooth and orderly development of other construction steps in the later stage. In the process of selecting technologies related to deep foundation pit support at the construction site, many relevant constraints need to be considered. At the same time, relevant construction technical requirements are more stringent. It is necessary to ensure the safety and stability of construction, and carry out planning, design and on-site operation in full accordance with the provisions of construction projects. With the help of high-quality deep foundation pit support, the overall economic benefits of the project can be greatly improved.展开更多
Nowadays, the construction industry has achieved great development, and the project has become more and more perfect. In terms of geotechnical engineering analysis in building engineering, foundation pit construction ...Nowadays, the construction industry has achieved great development, and the project has become more and more perfect. In terms of geotechnical engineering analysis in building engineering, foundation pit construction is an important part of the content. In order to control the quality of foundation pit support engineering, it is necessary to strengthen the strength to do a good job of geotechnical investigation and take effective investigation methods, which can provide reference for foundation pit construction in the future. Geotechnical engineering of the larger influence on construction of foundation pit supporting, embodied in the soil the effects on the basic engineering, hydrogeology to the impact of basic engineering, and three aspects of the impact of foundation pit slope stability, the next in this paper, the improve the quality of geotechnical engineering investigation and foundation pit supporting construction the problem put forward some Suggestions.展开更多
The construction technology of deep foundation pit support alleviates the construction pressure caused by narrow urban site, reduces the earthwork volume of slope excavation, and organically combines soil pile, projec...The construction technology of deep foundation pit support alleviates the construction pressure caused by narrow urban site, reduces the earthwork volume of slope excavation, and organically combines soil pile, projected concrete between piles and prestressed anchorage technology, which has high applicability, economy, rapidity and safety. This paper analyzes the main construction technical points of deep foundation pit support, and finally analyzes the application of practical engineering in detail.展开更多
In recent years, China's construction industry has been developing very rapidly. At the same time, many new construction technologies have emerged, among which the deep foundation pit supporting technology, as a c...In recent years, China's construction industry has been developing very rapidly. At the same time, many new construction technologies have emerged, among which the deep foundation pit supporting technology, as a construction technology with obvious advantages, plays a significant role in the foundation pit supporting construction. Foundation and various foundation constructions have an important impact on the overall quality of the project. Therefore, in order to fully guarantee the quality of foundation and foundation construction and the quality of the overall construction project, it is necessary to continuously strengthen the deep foundation pit support technology, select the appropriate construction technology scheme according to the actual situation of the project, and carry out detailed management on the key points of deep foundation pit support, so as to ensure the smooth development of the deep foundation pit support technology to the greatest extent and provide a solid and reliable guarantee for the quality of the whole project. Therefore, in this paper, we take the actual case as the basis to carry on the detailed analysis and the discussion to the construction project foundation pit support construction key point, for the reference.展开更多
Municipal civil engineering is the key content of municipal construction,and the construction scale is usually large.The quality of the project plays an important role in the development of urban economy.Due to the ra...Municipal civil engineering is the key content of municipal construction,and the construction scale is usually large.The quality of the project plays an important role in the development of urban economy.Due to the rapid increase of high-rise buildings,skyscrapers and underground buildings,the construction technology of deep foundation pit support has gradually become an indispensable construction technology.Therefore,the selection of foundation pit support construction technology is crucial in ensuring that whether the foundation is firm and stable,and whether the subsequent construction activities can be carried out smoothly.In view of this,the article discusses the application of deep foundation pit support construction technology in municipal civil engineering,aiming to provide reference for subsequent projects.展开更多
A method which adopts the combination of least squares support vector machine（LS-SVM） and Monte Carlo（MC） simulation is used to calculate the foundation settlement reliability.When using LS-SVM,choosing the traini...A method which adopts the combination of least squares support vector machine（LS-SVM） and Monte Carlo（MC） simulation is used to calculate the foundation settlement reliability.When using LS-SVM,choosing the training dataset and the values for LS-SVM parameters is the key.In a representative sense,the orthogonal experimental design with four factors and five levels is used to choose the inputs of the training dataset,and the outputs are calculated by using fast Lagrangian analysis continua（FLAC）.The decimal ant colony algorithm（DACA） is also used to determine the parameters.Calculation results show that the values of the two parameters,and δ2 have great effect on the performance of LS-SVM.After the training of LS-SVM,the inputs are sampled according to the probabilistic distribution,and the outputs are predicted with the trained LS-SVM,thus the reliability analysis can be performed by the MC method.A program compiled by Matlab is employed to calculate its reliability.Results show that the method of combining LS-SVM and MC simulation is applicable to the reliability analysis of soft foundation settlement.展开更多
Taking the comprehensive pipe gallery project of Zhenda Road as an example, this paper analyzes and introduces the disadvantages of using traditional concrete spraying slope for foundation pit support surface of linea...Taking the comprehensive pipe gallery project of Zhenda Road as an example, this paper analyzes and introduces the disadvantages of using traditional concrete spraying slope for foundation pit support surface of linear engineering of main roads in Lincheng City. This paper expounds that a new material (GRF fabricated foundation pit support) has the characteristics of green environmental protection, no noise and recyclable turnover on the premise of meeting the safety of the original design. The summarized technical measures provide a good reference for the slope support construction in urban and residential areas in the future.展开更多
文摘With the continuous development of the construction industry,the density of engineering construction and the difficulty of underground construction are also increasing.As an important construction protection measure,foundation pit support construction is widely used in underground construction.Starting from the characteristics of foundation pit support construction,this paper analyzes the influence of geotechnical investigation on foundation pit support construction,and analyzes the problems that need to be paid attention to in the survey process.
文摘LIRR＇s Priject of ＂Research on Spalling Mechanism Due to Rapid Heating-up of Dense Refractory Castables＂ declared by Wang Zhanmin,vice-president of LIRR,will gain the fund support from National Natural Science Foundation of China in 2011.
文摘Foundation pit support is a very important part in geotechnical engineering. The construction quality of foundation pit support directly affects the construction quality of the whole geotechnical engineering. Therefore, the development of foundation pit support technology can significantly improve the construction quality of geotechnical engineering. In the process of technological renewal and development, in-depth exploration should be carried out to comprehensively detect different geological and rock types, and the development methods used are also different. In the process of technological upgrading and development, a comprehensive understanding of geological structure, soil layer, rock distribution characteristics and surrounding hydrological characteristics is required. This paper mainly discusses the influence of geotechnical engineering investigation on foundation pit supporting construction, and puts forward effective countermeasures of geotechnical engineering investigation on the basis of clarifying its main influence, so as to reduce its adverse influence on foundation pit supporting construction and make the construction project carry out smoothly and steadily.
文摘With the rapid development of society and the significant increase of high-rise buildings, the design of deep foundation pit supporting in the process of building plays a more and more obvious role. In order to ensure the stability and safety of buildings, we must improve the attention to the design of deep foundation pit supporting. However, no matter from which point of view of geotechnical engineering, there are some problems, such as unreasonable mechanical parameters selected and weak representative sampling of soil in deep foundation pit. These problems are not conducive to promoting the design and construction of deep foundation pit support. For this reason, the problems existing in the design and construction are taken as the starting point. Then, according to the existing problems, countermeasures are put forward from three aspects: scientific mechanical parameters selection, advanced design methods application and scientific sampling.
文摘In recent years, the population of our country has increased dramatically, which directly affects the need for more architectural works and the demand for architectural space. According to the relevant survey data, the land available for construction in our country is less and less, and in some areas it is even scarcer. Facing the current situation of large-scale rise of high-rise buildings and super-high-rise buildings, in order to ensure the construction quality and safety, strengthening the construction technology and management of deep foundation pit support is an inevitable choice. However, there are many influencing factors in the process of deep foundation pit supporting construction, and the foundation pit situation is complicated, so there may be nonstandard operation or material quality that does not meet the requirements, laying a series of hidden dangers for the overall construction quality of the project. This paper analyzes the selection and management of deep foundation pit supporting construction technology in construction, and based on the actual situation, formulates a practical and feasible special construction plan.
文摘As an important part of geotechnical engineering, the design and construction quality of deep foundation pit support directly affect the smooth development of geotechnical engineering. In the actual construction of deep foundation pit support, various problems are often encountered, resulting in quality problems of deep foundation pit support. It is a powerful means to promote the development of geotechnical engineering to analyze the common problems in the design and construction of deep foundation pit support and find scientific and reasonable solutions. Based on this, this paper will study the design and construction of deep foundation pit support in geotechnical engineering.
文摘In the construction process, the overall quality level of the building is mainly determined by the deep pit supporting construction. In order to further optimize the construction process and further improve the quality level and ensure the safety, it is necessary to analyze the key points of the construction in detail. Strengthening the support construction of deep foundation pit can improve the overall quality level of the project and ensure the stability and prolong the service life of the building. Therefore, the construction industry must pay more attention to the construction technology of deep foundation pit support, and use more scientific methods to improve this technology more effectively, so that this technology can be widely popularized and used in the construction industry. In addition, although the deep foundation pit support technology has developed well, there will inevitably be some problems in the development process. The construction party should analyze and study these situations, and adjust the construction scheme according to some influencing factors to make it more reasonable, so as to ensure its accuracy and technical effectiveness.
文摘In the process of construction, deep foundation pit supporting construction is a complex and difficult construction content, which has always been taken seriously by all major engineering constructors. As the quality and quantity of deep foundation pit supporting construction link will directly affect the construction quality of the entire construction project, it is required that constructors should pay enough attention to this link. In the actual construction process of construction engineering, appropriate construction technology should be selected according to the construction link and actual construction demand, so as to ensure the construction efficiency and quality. Meanwhile, the quality supervision of deep foundation pit supporting construction should be strengthened to ensure that the building quality meets the requirements.
文摘With the sustained and stable development of Chinas economy, the urbanization process is accelerating, and the number of construction projects in various regions has increased significantly. How to ensure the quality of construction projects is the problem that relevant institutions need to solve. Foundation is the foundation structure of construction engineering, and the deep foundation pit support construction can affect the overall quality of foundation construction, and then affect the stability and safety of construction engineering. Therefore, it is necessary to strengthen technical research, and take effective control measures. This paper analyzes and summarizes the construction technology and control measures of deep foundation pit support in construction engineering, and introduces engineering examples to explore the specific application methods of related technologies.
文摘In the process of deep foundation pit construction of civil engineering, support technology is usually used to ensure the safety of the surrounding environment and foundation, so as to ensure the smooth progress of related construction work. So part of deep foundation pit construction, the need to pay attention to the construction personnel safety and the corresponding technical management, guarantee the construction quality of the link, lay a good foundation for the construction of the follow-up. Based on this, this article focuses on analyzing the civil engineering construction of deep foundation pit supporting points and the corresponding quality control measures, the purpose is to improve on the part of the construction quality control, and improve the attention of construction enterprises to the correct application of this link technology at the same time.
文摘In the process of social and economic development, construction enterprises are developing faster and faster, and there are more and more construction projects.Deep foundation pit support engineering is the key content in the process of building construction, which affects the overall quality of the building and needs to be paid more attention.From the actual situation, there are still some problems in the construction process of building deep foundation pit support engineering, which affect the project quality.Based on this, this paper discusses the application of deep foundation pit support technology in construction engineering.
文摘The effective application of foundation pit support construction technology in civil construction can fundamentally solve the problems of construction engineering which is not stable enough and the follow-up construction safety cannot be guaranteed, which has always been the focus of the field of construction engineering. The actual construction foundation pit support work has a strong systematic system which involves a wide range of contents and disciplines. The foundation pit support project at the current stage can be based on the perspective of function, continuously promote the coordination of each part and provide an effective guarantee for the safety and economy of the foundation pit support.
文摘The deep foundation pit of industrial and civil construction engineering is the core part of the foundation construction of the project, so it can ensure the support quality of deep foundation pit and ensure the smooth and orderly development of other construction steps in the later stage. In the process of selecting technologies related to deep foundation pit support at the construction site, many relevant constraints need to be considered. At the same time, relevant construction technical requirements are more stringent. It is necessary to ensure the safety and stability of construction, and carry out planning, design and on-site operation in full accordance with the provisions of construction projects. With the help of high-quality deep foundation pit support, the overall economic benefits of the project can be greatly improved.
文摘Nowadays, the construction industry has achieved great development, and the project has become more and more perfect. In terms of geotechnical engineering analysis in building engineering, foundation pit construction is an important part of the content. In order to control the quality of foundation pit support engineering, it is necessary to strengthen the strength to do a good job of geotechnical investigation and take effective investigation methods, which can provide reference for foundation pit construction in the future. Geotechnical engineering of the larger influence on construction of foundation pit supporting, embodied in the soil the effects on the basic engineering, hydrogeology to the impact of basic engineering, and three aspects of the impact of foundation pit slope stability, the next in this paper, the improve the quality of geotechnical engineering investigation and foundation pit supporting construction the problem put forward some Suggestions.
文摘The construction technology of deep foundation pit support alleviates the construction pressure caused by narrow urban site, reduces the earthwork volume of slope excavation, and organically combines soil pile, projected concrete between piles and prestressed anchorage technology, which has high applicability, economy, rapidity and safety. This paper analyzes the main construction technical points of deep foundation pit support, and finally analyzes the application of practical engineering in detail.
文摘In recent years, China's construction industry has been developing very rapidly. At the same time, many new construction technologies have emerged, among which the deep foundation pit supporting technology, as a construction technology with obvious advantages, plays a significant role in the foundation pit supporting construction. Foundation and various foundation constructions have an important impact on the overall quality of the project. Therefore, in order to fully guarantee the quality of foundation and foundation construction and the quality of the overall construction project, it is necessary to continuously strengthen the deep foundation pit support technology, select the appropriate construction technology scheme according to the actual situation of the project, and carry out detailed management on the key points of deep foundation pit support, so as to ensure the smooth development of the deep foundation pit support technology to the greatest extent and provide a solid and reliable guarantee for the quality of the whole project. Therefore, in this paper, we take the actual case as the basis to carry on the detailed analysis and the discussion to the construction project foundation pit support construction key point, for the reference.
文摘Municipal civil engineering is the key content of municipal construction,and the construction scale is usually large.The quality of the project plays an important role in the development of urban economy.Due to the rapid increase of high-rise buildings,skyscrapers and underground buildings,the construction technology of deep foundation pit support has gradually become an indispensable construction technology.Therefore,the selection of foundation pit support construction technology is crucial in ensuring that whether the foundation is firm and stable,and whether the subsequent construction activities can be carried out smoothly.In view of this,the article discusses the application of deep foundation pit support construction technology in municipal civil engineering,aiming to provide reference for subsequent projects.
文摘A method which adopts the combination of least squares support vector machine（LS-SVM） and Monte Carlo（MC） simulation is used to calculate the foundation settlement reliability.When using LS-SVM,choosing the training dataset and the values for LS-SVM parameters is the key.In a representative sense,the orthogonal experimental design with four factors and five levels is used to choose the inputs of the training dataset,and the outputs are calculated by using fast Lagrangian analysis continua（FLAC）.The decimal ant colony algorithm（DACA） is also used to determine the parameters.Calculation results show that the values of the two parameters,and δ2 have great effect on the performance of LS-SVM.After the training of LS-SVM,the inputs are sampled according to the probabilistic distribution,and the outputs are predicted with the trained LS-SVM,thus the reliability analysis can be performed by the MC method.A program compiled by Matlab is employed to calculate its reliability.Results show that the method of combining LS-SVM and MC simulation is applicable to the reliability analysis of soft foundation settlement.
文摘Taking the comprehensive pipe gallery project of Zhenda Road as an example, this paper analyzes and introduces the disadvantages of using traditional concrete spraying slope for foundation pit support surface of linear engineering of main roads in Lincheng City. This paper expounds that a new material (GRF fabricated foundation pit support) has the characteristics of green environmental protection, no noise and recyclable turnover on the premise of meeting the safety of the original design. The summarized technical measures provide a good reference for the slope support construction in urban and residential areas in the future.
