强柱弱梁

框架结构强柱弱梁分析及设计改进建议

Frame structure strong column and weak beam analysis and design improvement suggestion

节点的设计均按强柱弱梁的原则进行，使所有的塑性铰在梁端产生。

The design of the joint should obey the principle of " strong column and weak beam " so that all plastic hinges are developed at the beam ends .

RC强梁弱柱型框架抗震性能试验研究塑性铰分布表明结构符合强柱弱梁的原则。

It is shown that the behavior of the structure accords with the seismic principle of strong - column - weak - beam .

SRC柱-钢梁组合框架强柱弱梁破坏机制研究

Study on " Strong Column-Weak Beam " Failure Mode of Composite Frame Composed of SRC Columns and Steel Beams

采用Pushover方法，并通过大量的MonteCarlo数字模拟，对强柱弱梁钢筋混凝土框架结构梁的失效和失相关样本进行了统计分析。

By means of the Pushover method and the Monte Carlo random analysis , it is concluded out some failure and failure dependency rules of the RC frame beams under the small and the strong earthquakes .

钢筋混凝土框架强柱弱梁设计的概率分析

Probability Analyses for Strong Column-Weak Beam Design of Reinforced Concrete Frames

试验表明，这种框架结构满足强柱弱梁的抗震要求，具有良好的抗震性能。

It is show that the seismic behavior of this kind of frame is good .

塑性铰分布表明结构符合强柱弱梁的原则。

It is shown that the behavior of the structure accords with the seismic principle of strong-column-weak-beam .

按强柱弱梁理论，应保证构造柱主筋。

According to the " strong column-weak beam " theory , the main reinforcements hall be guaranteed .

得出了大震作用下，高、中、低层强柱弱梁钢筋混凝土框架柱的部分相关性失效规律。

It was obtained some correlation failure rules of the columns of the RC frame buildings under the large earthquakes .

分析比较了各国规范关于强柱弱梁这一抗震概念设计的规定。

The specifications in different country codes about " strong column-weak beam " which is a seismic conceptual design are compared .

基于可靠度的结构优化模型和强柱弱梁设计

Reliability based on structural optimization and strong column weak beam Experimental study on Reinforced Concrete Strong Beam and Weak Column Frame Structures

不同柱端弯矩增大系数框架结构抗震性能分析：柱端弯矩增大系数是现行规范用以保证强柱弱梁屈服机制的主要方法。

Moment augment factor of column is the main method of current code to ensure the strong column weak beam yield mechanism .

验证了在小震作用下，强柱弱梁钢筋混凝土框架结构的截面失效是统计独立的结论；

It was validated that the statistic independence of the failure sections of the components of the RC frame buildings under the small earthquakes ;

研究了分体柱框架强柱弱梁、强剪弱弯以及强节点、强锚固的关系；

The relationship between strong columns and weak beams , major shear and minor flexure , strong joints and strong anchoring of the frame was analyzed .

汶川地震震害表明，柱端弯矩增大系数不足导致依据现行规范设计的框架结构在地震中难以呈现“强柱弱梁”的延性耗能机制。

Some concrete frame structures were not damaged with " strong column and weak beam ", but plastic hinges formed at column ends in Wenchuan earthquake .

第三类破坏模式是比较理想的破坏模式，符合强柱弱梁的抗震要求。

The third kind of failure mode is a perfect mode , and accord with the seismic request of " strong columns and weak beams " .

由此可见，高层建筑中框架节点的设计应予以十分的重视，必须满足强柱弱梁、节点更强的设计原则。

Therefore , enough attention should be paid to the design of the joint in high-rise frames , which must meet the design principle of strong-column and weak-beam and stronger-joint .

针对保证现浇钢筋混凝土空间框架结构“大震不倒”的设防目标，现行规范提出了“强柱弱梁”的设计准则。

In order to achieve the seismic fortification target of No Collapsing in the Strong Earthquake , a philosophy of Strong Column Weak Beam is recommended in the current codes .

在上述思路中，梁柱抗弯承载力级差系数是引导框架结构形成强柱弱梁型有利耗能机构的关键设计措施。

In the concepts mentioned above , the adjusting coefficient of moment capacity of column-to-beam is key to guide framework to come into being the structure of Strong column-to-Weak beam .

为使钢筋混凝土框架结构具有较好的抗震性能，要求结构在地震作用下能够实现强柱弱梁的破坏机制。

In order to ensure the seismic performance of reinforced concrete frame structure , it requires that the structure can realize " strong column and weak beam " under seismic action .

对于这种节点的抗弯，指出规范中现行的强柱弱梁原则是不合理的，并说明强梁弱柱的必要性。

Compared with the present unreasonable principle of stronger column and weaker beam for the bending of the joints on beams , the principle of stronger beam and weaker column is necessary .

框架屈服后，梁端率先出现塑性铰，柱刚度尚未出现大的退化，预压装配式框架属强柱弱梁型结构。

After the framework yields , on the beam end firstly lies the plastic hinge , and the on the column stiffness lies little degradation . The pre-fabricated frame is a " strong-pole-and-weak-beam " structure .

与梁式转换结构相比，更易实现强柱弱梁，强剪弱弯，更强节点的抗震设计原则；

Compared with the beam-shaped transfer structure , it is easier to implement the aseismatic design principles , including " strong column and weak beam , strong shearing and weak bend , stronger nodes " .

基于规范强柱弱梁的抗震设计原则，通过对框架梁截面腹板进行适当的削弱，以确保结构在强震作用时，塑性铰远离节点薄弱环节。

Based on the aseismic design principle " strong column and weak beam ", by reasonable reducing the beam web to ensure the plastic hinge far away from the weld which appear on the beam under high seismic load .

目前的抗震设计强柱弱梁原则是利用梁上的塑性铰来消耗能量；强节点弱杆件原则是为了弥补常用设计法所带来的不足。

At present , strong column weak beam principle is to consume energy in virtue of plastic-hinge which comes into being in the beam , strong joints weak pole is used to make up some shortage of common design method .

根据钢框架强柱弱梁的抗震设计原则，新型延性节点满足使梁上塑性铰的位置远离节点区的设计思路，达到塑性铰外移和增加抗震性能的目的。

According to the strong column weak beam principles of anti-seismic design of steel frames , it matches the idea of making plastic hinges of beams away from connection area and apply to make the plastic hinge away from the connection .

但是连梁自身对剪力非常敏感，普通混凝土的小跨高比连梁常常为剪切破坏，难以很难实现设计上的强柱弱梁的理念。

However , coupling beams is very sensitive to shear , coupling beams with small span-to-depth ratio made by common concrete often create shear failure , makes it difficult to realize the design philosophy , with is called " strong column-weak beam " .

同时对强柱弱梁型框架的破坏机制、强度、延性、强柱弱梁关系、恢复力特性以及梁纵筋滑移等方面的性能进行了分析研究。

The investigation and analysis of the failure mechanism , strength , ductility , relation between strong column and weak beam , restoring force property as well as beam bar slip effect of reinforced concrete frame with strong columns and weak beams have been conducted and discussed .

分析表明，该结构的塑性铰分布均匀，大部分构件参加抗震耗能，薄弱层出现在首层，属于强柱弱梁型的理想抗震结构体系。

The analysis results show that the structures , in which the plastic hinges are well distributed and most of elements participate in energy dissipation , behave as the perfect seismic performance of strong column-weak beam structure system with the soft story occurred in the first story .