The use of glued bamboo(GB)in structural engineering is growing interest in the construction industry,as it is a kind of natural material with strong regenerative ability.In addition,the utilizing of GB can reduce the...The use of glued bamboo(GB)in structural engineering is growing interest in the construction industry,as it is a kind of natural material with strong regenerative ability.In addition,the utilizing of GB can reduce the demand for concrete,a possible way to decrease the destruction to natural environment and the consumption of fossil energy.This paper presents a comprehensive analysis on the properties of GB based on the experimental data available in the published researches.Some important physical,mechanical,and chemical properties of GB are discussed.It can be concluded that,at present,more emphasis has been given to study the mechanical property and gluing performance of GB.By analyzing existing research results,this paper provides some recommendations for future research.展开更多
Considering actual construction conditions of Binchuan-Heqing Highway,this paper provides the C50 mix ratio conforming to engineering requirements by strictly controlling the quality of raw materials,optimizing the de...Considering actual construction conditions of Binchuan-Heqing Highway,this paper provides the C50 mix ratio conforming to engineering requirements by strictly controlling the quality of raw materials,optimizing the design of mix ratio scientifically,preparing superior C50 concrete 0 with manufactured sand,and optimizing the concrete mix ratio based on the adjustment of fly ash replacement,water-cement ratio,polycarboxylate-type water reducer mixing amount,sand ratio,etc.The result indicates that,the water-cement ratio has a great influence on the concrete strength,and if the ratio of coal ash is high in the binding material,the early compressive strength of the concrete will increase slowly.展开更多
基金The authors gratefully acknowledge the help and support from Pro.Xiao Yan,International Campus Zhejiang University and Dr.JJ Xu,Nanjing Tech University.
文摘The use of glued bamboo(GB)in structural engineering is growing interest in the construction industry,as it is a kind of natural material with strong regenerative ability.In addition,the utilizing of GB can reduce the demand for concrete,a possible way to decrease the destruction to natural environment and the consumption of fossil energy.This paper presents a comprehensive analysis on the properties of GB based on the experimental data available in the published researches.Some important physical,mechanical,and chemical properties of GB are discussed.It can be concluded that,at present,more emphasis has been given to study the mechanical property and gluing performance of GB.By analyzing existing research results,this paper provides some recommendations for future research.
文摘Considering actual construction conditions of Binchuan-Heqing Highway,this paper provides the C50 mix ratio conforming to engineering requirements by strictly controlling the quality of raw materials,optimizing the design of mix ratio scientifically,preparing superior C50 concrete 0 with manufactured sand,and optimizing the concrete mix ratio based on the adjustment of fly ash replacement,water-cement ratio,polycarboxylate-type water reducer mixing amount,sand ratio,etc.The result indicates that,the water-cement ratio has a great influence on the concrete strength,and if the ratio of coal ash is high in the binding material,the early compressive strength of the concrete will increase slowly.
