3、应用有限元数值分析和适用复杂区域配筋的拉压杆模型(strut-and-tie model),研究针对体外预应力桥梁的转向和锚固结构的空间分析和配筋设计,从而超越一般的空间分析,在国内居于领先水平。
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the strut-and-tie model 拉压杆模型
modified strut-and-tie model 改进拉
strut and tie model 拉压杆模型 ; 拉
spacial strut-and-tie model 空间拉压杆模型
softened strut-and-tie model 软化桁架模型
softened strut and tie model 软化拉压杆模型
softening strut-and-tie model 软化拉压杆模型
softened strut-and-tie truss model 软化拉压杆桁架模型
The calculated results of beams failed in shear using strut-and-tie model are close to the tested results but the beams failed in flexure are less than tested results.
拉压杆模型基于纵筋屈服的破坏准则与试验和有限元分析的极限状态不同,导致剪切破坏的模型计算值和试验值接近而弯曲破坏的模型计算值远小于试验值。
参考来源 - 钢筋混凝土深受弯梁基于DSFM的非线性有限元分析It is shown that the strut-and-tie model has been used in practice. Though a great progress has been made in recent years, the strut-and-tie model is difficult to use in design for its complicated modeling.
近年来压杆-拉杆模型设计有了很大发展,但压杆-拉杆模型的建立仍是设计中的难点,目前对固定荷载作用下的钢筋混凝土深梁基于压杆-拉杆模型的设计已进行了很多研究,但深梁上部作用有移动荷载及均布荷载时承载力的研究不多。
参考来源 - 钢筋混凝土深梁基于压杆—拉杆模型的设计②establish the 3-D strut-and-tie model of the anchorage which cross direction and vertical direction is interacted ,and generalize the general law about establishment of strut-and-tie model.
②建立箱梁锚固块的横、竖向相互影响的空间拉压杆模型,并归纳出拉压杆模型建立的一般性规律。
参考来源 - 体外预应力砼桥关键部位静力分析及其配筋研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The application of strut-and-tie model to the design of structural element distributed steel was made as that internationally.
国际上比较常用的方法是应用拉-压杆模型法进行结构构件的配筋设计。
The design of reinforced concrete short corbel was taken as example, with the basic principle on strut-and-tie model stated and described. An example of design demonstrates the establishment of...
本文以钢筋混凝土短牛腿为例，阐述拉-压杆模型的基本原理，同时通过一个设计实例说明拉-压杆模型的建立、设计准则、设计步骤等。
In this paper the spatial strut and tie model is used, and the connection is simplified as a structural system which is composed of a series of steel bars and concrete struts.
本文采用空间拉压杆原理将节点简化为由一系列钢筋拉杆及混凝土压杆组成的结构体系。
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