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the truss arch
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  桁架拱
     On the MRP, the truss arch aqueduct is comprehensively researched in this paper, including its structural characteristic, structural calculation and reliability analysis.
     本文结合南水北调中线工程,对下承式空腹桁架拱排水渡槽的特点、结构计算以及结构的可靠性进行了较全面研究。
短句来源
     The comparative analysis is made firstly, which shows that the truss arch aqueduct can be built on the weak foundation and is also satisfied with the demand for large span length and the great discharge ability, so the type of aqueduct is a better for the project. Then the finite element program(Super Sap93)is applied to the structural analysis of the space structure.
     首先通过对常用渡槽结构型式的对比分析,阐明该渡槽是一种可在软弱地基上修建的、能满足大跨度、大流量要求、适用于南水北调中线工程的排水建筑物,然后运用有限元分析程序Super Sap93对桁架拱空间结构进行了受力分析。
短句来源
     The truss arch structure is a three-dimensional higher statically indeterminate structure, and no definite expression of the performance function can be given for its unbelievable complexity.
     桁架拱结构是一个高次超静定的复杂三维结构,构件的功能函数没有明确表达式。
短句来源
  相似匹配句对
     On Truss Model of WebGIS
     WebGIS构架模式探讨
短句来源
     Plane truss element
     平面桁架单元
短句来源
     The Circuit Analysis of Truss Networks
     桁架网络的环路分析
短句来源
     The former bases on Lotus security truss.
     本文详细地阐述了架构Lotus安全的思想与方法;
短句来源
     Construction of curvature-adjustable arch truss
     吴家嘴大桥可调曲率桁式拱架施工设计
短句来源
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This paper presents a new simple way of calculation of the load lateral distribution and lateral diaphragms of the trussed arch btidge of the principle of energy. The calculation is named the elastically supported continuous beam method, which can also be used for lateral strain calculations of bridge structures of other types.

本文利用能量原理导出了桁架拱桥横向分布和横隔梁计算的一般方法——弹性支承连续梁法。它计算简单方便,力学概念清晰,亦可以应用到其它桥梁体系的横向受力计算。

The truss arch structure is light and in great strength as a whole, its function consists of three parts: arch, truss and frame. Presents a comprehensive study on mechanism of the structure's entire function, the inclined rod's action and the adaptability of different stucture in support movement or temperature decrement. The four truss arch structures are compared, the half-through model is recommendable.

引入水利工程的桁架拱是具有拱、刚架和桁架三种性能的组合体。对这类桁架拱的整体性能、斜杆作用,对支座位移和温变的适应能力等进行了机理探讨。对上承、中承、下承、复拱四种型式的桁架拱做了综合评价,重点推荐了中承式桁架拱。

In this paper, the shear failure modes and behavior of deep beams (l/h≤2), short beams (l/h=2~5) and shallow beams (l/h>5) are discussed, and the "truss-arch" model is suggested to analyze the shear capacity of beams. Using the failure criterion of concrete in biaxial compression and considering the effects of shear span ratio, span depth ratio, vertical web reinforcement and horizontal web reinforcement, the formulas for predicting shear capacity of the beams are established. Through simplification...

In this paper, the shear failure modes and behavior of deep beams (l/h≤2), short beams (l/h=2~5) and shallow beams (l/h>5) are discussed, and the "truss-arch" model is suggested to analyze the shear capacity of beams. Using the failure criterion of concrete in biaxial compression and considering the effects of shear span ratio, span depth ratio, vertical web reinforcement and horizontal web reinforcement, the formulas for predicting shear capacity of the beams are established. Through simplification of analysis, the suggested unified formulas for calculating shear capacity of deep beams, short beams and shallow beams in design are also derived. The calculating results of these formulas show a good agreement with those of the tests. Furthermore, the formulas can be linked up with the formulas of deep beams and shallow beams given in chinese code for design of concrete structures (GBJ 10-89).

本文分析了钢筋混凝土深梁(l/h≤2)、短梁(l/h=2~5)和浅梁(l/h>5)的受剪机理和破坏特点,提出了考虑深梁、短梁和浅梁受力特点的桁架拱受力模型,引用混凝土在双向应力状态下的强度准则求出了考虑剪跨比、跨高比、垂直腹筋和水平腹筋影响的受剪承载力计算公式。通过简化分析给出了钢筋混凝土深梁、短梁和浅梁受剪承载力的实用统一计算公式,该公式与试验结果符合良好,并能与现行规范GBJ10-89中深梁和浅梁受剪承载力公式衔接。

 
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