The past decade has seen the rapid development of green construction in many civil engineering. Green construction of civil engineering can play an important role in addressing the issue of reducing contamination. A c...The past decade has seen the rapid development of green construction in many civil engineering. Green construction of civil engineering can play an important role in addressing the issue of reducing contamination. A common strategy used to study green construction of civil engineering to decrease contamination, decrease waste of energy, and increase utilization ratio of resource. Evidence suggests that green construction of civil engineering is among the most important factors for saving energy. Along with this growth in development of green construction, however there is increasing concern over sustainable development. While green construction of civil engineering presents a promising direction, some of the essential prerequisites can be cumbersome to acquire and can restrict decrease contamination. Therefore the primary goal of this article is through rational use of green construction technology, decrease contamination of water resource, enhance manipulation of electric energy consumption.展开更多
The structural behavior of prestressed high strength steel(HSS)tubular members is investigated through the execution of advanced finite element modeling.Numerical models are developed and validated against published e...The structural behavior of prestressed high strength steel(HSS)tubular members is investigated through the execution of advanced finite element modeling.Numerical models are developed and validated against published experimental data on HSS tubular members subjected to different levels of initial prestress and loaded either in tension or compression.The effect of the presence or absence of grouting on the strength and ductility of the members is also considered.To numerically replicate the structural response recorded in the tests,some key modeling features including the employed numerical solver,the adopted material models and the element types warrant careful consideration.Upon developing of the finite element models,the numerically generated ultimate loads,the corresponding failure modes and the full load-deformation curves are compared to the experimental ones,indicating a successful validation.As anticipated,prestressing enhances the load-bearing capacity for the tensile members,whereas it is detrimental for the compressive ones.A series of parametric studies is performed to assess the influence of key factors on the structural response of prestressed HSS members and the obtained results are discussed.Design guidance for tensile and compressive prestressed tubular members is also provided.展开更多
文摘The past decade has seen the rapid development of green construction in many civil engineering. Green construction of civil engineering can play an important role in addressing the issue of reducing contamination. A common strategy used to study green construction of civil engineering to decrease contamination, decrease waste of energy, and increase utilization ratio of resource. Evidence suggests that green construction of civil engineering is among the most important factors for saving energy. Along with this growth in development of green construction, however there is increasing concern over sustainable development. While green construction of civil engineering presents a promising direction, some of the essential prerequisites can be cumbersome to acquire and can restrict decrease contamination. Therefore the primary goal of this article is through rational use of green construction technology, decrease contamination of water resource, enhance manipulation of electric energy consumption.
文摘The structural behavior of prestressed high strength steel(HSS)tubular members is investigated through the execution of advanced finite element modeling.Numerical models are developed and validated against published experimental data on HSS tubular members subjected to different levels of initial prestress and loaded either in tension or compression.The effect of the presence or absence of grouting on the strength and ductility of the members is also considered.To numerically replicate the structural response recorded in the tests,some key modeling features including the employed numerical solver,the adopted material models and the element types warrant careful consideration.Upon developing of the finite element models,the numerically generated ultimate loads,the corresponding failure modes and the full load-deformation curves are compared to the experimental ones,indicating a successful validation.As anticipated,prestressing enhances the load-bearing capacity for the tensile members,whereas it is detrimental for the compressive ones.A series of parametric studies is performed to assess the influence of key factors on the structural response of prestressed HSS members and the obtained results are discussed.Design guidance for tensile and compressive prestressed tubular members is also provided.
