延性结构

新型空间住宅延性结构体系的研究

The study of ductility structure system for new space residence

提出一种新型高效空间住宅延性结构体系。

A new efficiently space ductility construction system residence is put forward .

等强度折减下延性结构的位移放大系数

Inelastic displacement amplification factor for ductile structures with the same strength reduction factor

本文扼要地回顾了钢筋混凝土抗震延性结构确定性设计的基本原理。

A brief review is given of a deterministic design philosophy with respect to earthquake resisting ductile structures for reinforced concrete buildings .

同时，这种变形降低了结构的刚度，致使结构在地震作用下的反应减小，也就是使地震对结构的作用力减小，因此，延性结构具有较强的抗震能力。

At the same time , the deformation can decrease the rigidity of the structure to reduce the reaction caused by the earthquake , that 's to say , the deformation can reduce the force from the earthquake , so ductility structure has a stronger anti-earthquake capability .

通过采用人工气候环境加速锈蚀方法，研究了锈蚀钢筋混凝土梁的承载力、延性及其结构性能退化机理。

The carrying capacity , ductility and structural behaviors deterioration of corroded reinforced concrete beams were studied by the accelerated corrosion methods under artificial climate .

鉴于钢筋混凝土框架结构的实际受力特性，本文提出了容许框架柱下端出现塑性铰的新型延性框架结构。

A new-type reinforced concrete ductile frame structure with plastic hinges at the lower ends of its columns is presented in this paper based on the analysis of their mechanical properties .

为了利用结构的弹塑性变形能力耗散地震能量，减轻地震作用下结构的反应，应将钢筋混凝土框架结构设计成延性框架结构。

In order to use structure 's ability of elastic-plastic deformation to consume the earthquake energy , decrease the reaction in the earthquake , ferroconcrete frame structure should be designed into ductile one .

在分析钢筋砼框架结构实际受力特征的基础上，从结构控制的角度出发，本文提出了允许框架柱下端出现塑性铰的新型延性框架结构方案。

Based on the investigations on mechanical properties of RC frames , a new kind of ductile frame structure , which allows plastic hinges to occur at the low ends of its columns , was introduced in this paper .

就建筑抗震概念设计问题，从场地的稳定性、结构的规则性、结构材料与延性、结构体系、结构的整体性五方面对建筑抗震概念的设计进行了阐述，以使建筑物具有良好的抗震性能。

In light of the problem of anti-seismic conceptual design of building , the author illustrates it from the stability of site , regularity of structure , ductility of structural materials , structural system and integrity of structure , in order to make the building have well anti-seismic performance .

添加铬元素对TiAl合金室温延性和微观结构的影响

Effect of Cr addition on room-temperature ductility and microstructure of TiAl Alloy

延性与脆性结构的抗震能力储备初探

Preliminary Research on Seismic Capacity Reserve for Ductile and Brittle Structures

不同形式的钢筋混凝土空心剪力墙是在墙体改革和建筑节能的大环境下提出的一种节能性的延性剪力墙结构体系。

The different forms of hollow shear-walls are appeared under the condition that the walls are being reformed and how to avoid the energy being wasted .

分析结果表明：考虑楼板刚度影响后，提高了静力弹塑性分析结果对结构损伤评估的准确性，同时也降低了结构的抗震性能和延性，并且结构延性随楼板刚度影响的增加而减小。

The analysis results indicate that the accuracy of structure damage evaluation by using the static elasto-plastic analysis is improved after considering of the influence of floor stiffness .

首先，建立等效位移延性系数与结构损伤指标的关系，得到了反映不同设防水准损伤目标的结构等效位移延性系数；

Firstly , the relationship of equivalent displacement ductility index and damage index is built , and various structural equivalent displacement ductility indexes for different levels of seismic damage performance objectives are provided .

采用本文方法确定的消能段可以精确控制延性桁框结构的屈服时刻和破坏模式，并实现水平地震作用下各楼层同步屈服，充分耗能。

The presented method can control the yield time and failure mode of special truss moment frames accurately , and achieve the target which all floor yield synchronously under the horizontal earthquake , so consume energy fully .

梁柱采用弱轴端板连接可以提高结构的延性，使结构在地震作用下具有一定的耗能能力，而且施工方便、快捷，具有明显的经济优越性。

End-plate connections using minor beams can improve the ductility of the structure , so that the structure under the earthquake has a certain energy dissipation capacity , and construction is convenient , fast , has obvious economic advantages .

分析在压弯受力状态下，轴压比对三种型钢混凝土柱受力性能的影响，并分析随轴压比增大延性降低，结构变脆的机理。

The author analyze axial load ratio influence to the three SRC pillar mechanical performance under the compression - bending . Also , analysis of the mechanism that ductility reduces and structure becomes brittle with increasing axial load ratio is performed .

结合抗震概念设计的要求，从建筑布置的原则，结构构件的延性设计，结构的抗震等级等方面，阐述了钢筋混凝土结构抗震设计的方法，以保证结构的延性及安全。

Combined with the requirements on seismic conceptual design from construction arrangement , ductility design of structural element , grade of seismic design and other aspects the seismic design method is elaborated for RC structure to ensure the ductility and safety of structure .

两种材料按组合梁的形式结合在一起，可以避免相应的缺点，充分发挥两种材料的优势，形成强度高、刚度大、延性好的结构形式。

Two kinds of materials are conbined together according to the form of composite beam , can avoid the corresponding shortcoming , give full play to the advantages of two kinds of materials , and form a structure with high load-bearing capacity 、 great rigidity 、 with good ductility .

在此基础上，对比分析了两种不同结构转换形式的P-Δ滞回曲线、结构承载能力退化规律、结构刚度退化规律、结构弹塑性变形及延性、以及结构的破坏特征和破坏机制。

On this basis , comparative analysis of the structural transformation of two different forms of P - Δ hysteretic , carrying capacity of the deterioration of the structure , deterioration of structural stiffness , plastic deformation and ductility of the structure , and structural damage characteristics and failure mechanism .

若干固体材料脆-延性转变及宏观结构的实验研究

Experimental study on brittle-ductile transition and macroscopic structures of some solid materials

用延性系数预测砖结构房屋的地震破坏

Predicting earthquake damage of brick buildings by ductility factor

延性设计对框架结构抗震能力的改善

The Improvement to Seismic Capacity of the Frame Structure by Means of Ductility Design

或增强某些截面即相对削弱另一些截面，以提高结构的延性，乃至提高结构的承载力。

Alternatively , measures may also be taken to strengthen some sections which increase the ductility of structure and even enhance the ultimate bearing capacity .

钢框架梁柱节点的连接性能研究引起国内外的广泛关注，尤其是通过改善节点的变形性能从而提高结构的延性已成为钢结构研究的焦点。

The development situations steel column-beam connection technology is briefly introduced as well as common structural forms of joint of beam and column and their performances .

钢结构重量轻、地震作用小、延性好。钢结构框架是一种抗震性能很好的结构，在世界各国应用十分广泛。

Steel structure is widely used in buildings in the world because of the light weight , excellent performance in earthquakes and the ideal ductility of steel .

结果表明，用等yζ延性谱法对结构进行抗震性能评估是可行的，并且具有较高的精度。

It is shown that the ductility spectrum method with constant ζ y can meet different ductility demands of the building in performance-based seismic design and evaluation .

传统的高层建筑抗震设计主要是基于保证结构本身具有足够的强度、刚度和延性，通过建筑结构构件的强度和塑性变形来抵抗地震作用。

The traditional seismic design is based on the philosophies that the structure must have sufficient strength , stiffness and ductility . The seismic force is resisted by the strength and plastic deformation of the structure members .

介绍了延性的概念与结构延性的重要性，结合规范要求分析了抗震设计中几个重要概念的机理，提出在抗震设计中增强结构与构件延性的计算与构造措施的必要性。

The concept of ductility and the importance of structural ductility are introduced . Combined with codes several important concepts in seismic design are analyzed ; at the same time measures as well as calculation methods to increase structural ductility are introduced .