抗震

According to the seismic design code of China, the column of a frame structure should be stronger than the beam under the ground motion.

按照框架结构抗震概念设计的要求，结构应具有多道抗震防线，其中一个原则是&强柱弱梁&。

Field observations showed that there are two major causes to shield tunnel during ground shaking: earthquake wave propagation and differential subsidence due to earthquake.

一是盾构法隧道结构在地震行波作用下的动力响应分析与抗震设计，二是盾构法隧道在不均匀震陷下的纵向受力研究与抗震设计。

Shaking table test on 1/10 building model was carried out. Through hammer blow test and sine wave swept test, the model's parameters were acquired. By earthquake wave excitation, the model's earthquake response, failure traits and aseismic property were gained. Through ratio conversion, prototype's mode parameters and aseismic capability were studied.

进行了1／10比例模型房屋模拟地震振动台试验，通过锤击与正弦波扫频试验得出模型房屋的模态参数，通过地震波激励试验得出模型房屋的地震反应、破坏特征以及抗震性能，通过相似比换算研究了原型结构的模态参数与抗震能力。

Considering the urgent need for performance based seismic design of engineering and the policy pressure from environment, some prospects for research and application of RC frame structure with new type of infilled masonry wall are offered.

最后，结合基于性能的抗震设计理论背景和禁用黏土实心砖提倡节能的政策背景，指出了今后应以实现基于性能的抗震设计为目标，针对新型砌体填充墙框架结构开展系统研究。

Using the software of ansys, this thesis compares and analyzes the seismic behavior of the joint of cold-formed rectangular tube-steel column and H-shaped beam and the joint of welding box column and H-shaped beam, in order to research the influence for the cold forming process of the cold-formed rectangular tube-steel column.

利用大型通用有限元分析软件，对冷弯矩形钢管柱与H型钢梁连接节点与焊接箱形钢管柱与H型钢梁连接节点的抗震性能进行对比分析，探讨出冷弯矩形钢管的特性对节点抗震性能的影响。

Analytical results show that the web reinforcement ratio of pile cap and strength of concrete are important to the ductility and dissipation capacity of the joint, and axial load ratio is important to the bearing capacity, stiffness, ductility and dissipation capacity of the joint.

摘 要：提出一种新型叉桩节点的抗震性能试验方案，并对这种节点进行了模拟抗震性能试验的非线性有限元分析，得到节点的滞回曲线、骨架曲线、延性系数、割线刚度及耗能能力。

On the basis of the former researches and taking into account the practice of our country, this paper take the low period repeat loading experiment for three rigid conjunction node of steel beam and concrete wall, researching their load-bearing capacity and earthquake resistance performance under the low period repeat loading action, the main content concentrate on the following aspects:(1) Analyzing the three joint's damage shape、hysteretic curve、change of rigidity、yielding load、limit load、damage load、durability、energy dissipation capacity、the strain of the key position and the moment transferring mechanism.(2) Comparing the joint's load-bearing capacity and earthquake resistance performance among the joints with different stud bolt diameter and different connection plate thickness, researching some factor's influence on the work performance of the joint such as the high and strong stud bolt specification、connection plate thickness .

本文在前人研究的基础上，结合我国的实际情况，对3个钢梁-混凝土墙刚接节点试件进行了低周反复荷载试验，对其在低周反复荷载作用下的承载力和抗震性能进行了研究，内容主要集中在以下几个方面：(1)对3个节点试件在低周反复荷载作用下的破坏形态、滞回曲线特性、刚度变化、屈服荷载、极限荷载、破坏荷载、延性性能、耗能能力、关键部位的应变分布情况及节点核心区的受力情况进行了试验研究和理论分析；(2)比较了不同螺栓规格和不同连接板厚度的节点试件的承载力和抗震性能，研究了高强螺栓规格和连接板厚度这2个因素对节点工作性能的影响；(3)介绍了光纤光栅传感技术在土木工程领域中的应用研究现状及其基本原理；并通过对比试验，探讨了光纤光栅传感器用于土木工程检测的可行性及实现途径。

Based on the example of the design of the 20m-hollow slab Xigang Anti-earthquake Elevated Bridge,calculation methods in bridge anti-earthquake(method of static, response spectrum theories, method of dynamic timing analysis )are analyzed and discussed.

结合西港高架桥 2 0m跨空心板抗震设计的工程实例，对桥梁抗震的计算方法(静力法、反应谱理论、动态时程分析法)进行分析和探讨。

It introduces the right discrimination method of frame short column in the high-rise building and brief describes some effective section forms of improving the tensility of frame column.

介绍了高层建筑框架短柱的正确判别方法，简述了几种有效提高框架柱延性的截面形式，提出短柱的抗震构造措施，以提高短柱的承载力和延性，改善短柱的抗震性能。

This research is very important to improve the safety of high arch dams against strong earthquakes. It provides science references for design of high arch dams and technical guidance for taking steps to reduce hydrodynamic pressures and dynamic responses of high arch dams in earthquakes.

研究了拱坝在强地震中的动水压力和降低动水压力的气幕隔震技术，对提高拱坝的抗震安全性具有重要的科学意义和实际价值，对高拱坝的抗震设计和采取工程措施减小动水压力提供理论依据和技术指导。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。