随着科技的不断进步和智能化的发展,智能建造成了建筑行业的一个热门话题。智能建造通过将信息技术与建筑领域相结合,提供了更高效、更舒适、更可持续的建筑环境,但智能建造的复杂性和多样性也给建设工程信息管理和维护带来了巨大的挑...随着科技的不断进步和智能化的发展,智能建造成了建筑行业的一个热门话题。智能建造通过将信息技术与建筑领域相结合,提供了更高效、更舒适、更可持续的建筑环境,但智能建造的复杂性和多样性也给建设工程信息管理和维护带来了巨大的挑战。为了解决这一问题,建筑业界引入了施工运营建筑信息交换(Construction Operations Building Information Exchange,COBie)作为一种标准化的数据交换格式和流程,其在建设工程信息管理中的运用成了研究的焦点。探讨COBie在建设工程信息管理中的运用,分析其优势和局限性,并展望其未来的发展方向,有利于更好地管理建设工程项目,提高信息的质量和效率。展开更多
我国大跨度桥上的梁端钢轨伸缩调节器及梁缝处抬轨装置区域的轨道结构极易出现病害,通过对建筑信息模型(Building Information Modeling,BIM)技术在高速铁路钢轨伸缩调节器工程中的应用进行深入探讨和研究,将调节器健康监测与BIM技术相...我国大跨度桥上的梁端钢轨伸缩调节器及梁缝处抬轨装置区域的轨道结构极易出现病害,通过对建筑信息模型(Building Information Modeling,BIM)技术在高速铁路钢轨伸缩调节器工程中的应用进行深入探讨和研究,将调节器健康监测与BIM技术相结合,提出基于BIM的调节器监测方法。利用边缘计算对数据进行前置处理,采用层次化设计,将各个功能域与BIM的各个层并行结合,建立普适安全链条关联模型,对数据进行链域和全域的分析。在此基础上,根据COBie标准建立竣工交付信息模型来集成与传递数据,将钢轨伸缩调节器与BIM承载的建设和管理信息无缝转移到运维阶段,实现对钢轨伸缩调节器的实时评估预警及智慧决策的协同管理,为将来智能运维奠定基础。展开更多
Cobalt pnictides have been theoretically proposed to be attractive candi-dates for high-temperature superconductors.Additionally,monolayered CoX(X=As,Sb,Bi)on SrTiO_(3) systems present a potential new platform for rea...Cobalt pnictides have been theoretically proposed to be attractive candi-dates for high-temperature superconductors.Additionally,monolayered CoX(X=As,Sb,Bi)on SrTiO_(3) systems present a potential new platform for realizing topological superconductors in the two-dimensional limit,due to their nontrivial band topology.To this end,we have successfully fabricated high-quality CoBi nanoislands on SrTiO_(3)(001)substrates by molecular beam epitaxy followed by an investigation of their atomic struc-ture and electronic properties via in situ scanning tunneling microscopyl spectroscopy.Beyond the previously predicted lattice with a=b=3.5 A,2×1 dimer row was observed in this study.Furthermore,our results reveal that the topography of CoBi islands is strongly influenced by various growth conditions,such as substrate temperature,the flux ratio between Co and Bi,and the annealing process.This study paves the way for further explorations of the superconductivity and topological properties of cobalt pnictidesystems.展开更多
文摘随着科技的不断进步和智能化的发展,智能建造成了建筑行业的一个热门话题。智能建造通过将信息技术与建筑领域相结合,提供了更高效、更舒适、更可持续的建筑环境,但智能建造的复杂性和多样性也给建设工程信息管理和维护带来了巨大的挑战。为了解决这一问题,建筑业界引入了施工运营建筑信息交换(Construction Operations Building Information Exchange,COBie)作为一种标准化的数据交换格式和流程,其在建设工程信息管理中的运用成了研究的焦点。探讨COBie在建设工程信息管理中的运用,分析其优势和局限性,并展望其未来的发展方向,有利于更好地管理建设工程项目,提高信息的质量和效率。
文摘我国大跨度桥上的梁端钢轨伸缩调节器及梁缝处抬轨装置区域的轨道结构极易出现病害,通过对建筑信息模型(Building Information Modeling,BIM)技术在高速铁路钢轨伸缩调节器工程中的应用进行深入探讨和研究,将调节器健康监测与BIM技术相结合,提出基于BIM的调节器监测方法。利用边缘计算对数据进行前置处理,采用层次化设计,将各个功能域与BIM的各个层并行结合,建立普适安全链条关联模型,对数据进行链域和全域的分析。在此基础上,根据COBie标准建立竣工交付信息模型来集成与传递数据,将钢轨伸缩调节器与BIM承载的建设和管理信息无缝转移到运维阶段,实现对钢轨伸缩调节器的实时评估预警及智慧决策的协同管理,为将来智能运维奠定基础。
基金supported by the National Natural Science Foundation of China(Nos.12374196,92165201,and 11634011)the Innovation Program for Quantum Science and Technology(No.2021ZD0302800)+2 种基金the CAS Project for Young Scientists in Basic Research(Grant No.YSBR-046)the Fundamental Research Funds for the Central Universities(Grant Nos.WK3510000006and WK3430000003)Anhui Initiative in Quantum Information Technologies(No.AHY170000).
文摘Cobalt pnictides have been theoretically proposed to be attractive candi-dates for high-temperature superconductors.Additionally,monolayered CoX(X=As,Sb,Bi)on SrTiO_(3) systems present a potential new platform for realizing topological superconductors in the two-dimensional limit,due to their nontrivial band topology.To this end,we have successfully fabricated high-quality CoBi nanoislands on SrTiO_(3)(001)substrates by molecular beam epitaxy followed by an investigation of their atomic struc-ture and electronic properties via in situ scanning tunneling microscopyl spectroscopy.Beyond the previously predicted lattice with a=b=3.5 A,2×1 dimer row was observed in this study.Furthermore,our results reveal that the topography of CoBi islands is strongly influenced by various growth conditions,such as substrate temperature,the flux ratio between Co and Bi,and the annealing process.This study paves the way for further explorations of the superconductivity and topological properties of cobalt pnictidesystems.
