抗震

In recent years, underground culvert structures are widely applied and more and more people are concerned its anti-seismic performance.

摘 要：近年来，地下涵管结构的应用越来越广泛，其抗震问题日益受到人们的重视，但是在这方面的分析相对较少。

Analysis indicated that link of this frame yielded in the last loading and occurred cut mode failure and insure that the other components did not failed. So enhance the absorbs seismic energy and distortion capability,improved the resistant seismic behavior of frames.

分析结果表明，V型偏心支撑的耗能梁段在加载后期发生剪切屈服型破坏，保证了钢框架其它杆件仍处于弹性，提高了结构的耗能能力和变形能力，显著地改善了钢框架的抗震性能。

C. frame joint column specimens for appending layer with 1: 1 size which are subjected to slow frequency cyclic horizontal load with constant axial force are carried out, and the analyses of the test results in theory are also given out.

通过两个足尺的典型加层框架节点在低周反复水平荷载下的试验对混凝土加层框架节点的抗震性能进行了试验研究。

Through calculation and analysis of static modal under dead load, live load and water load, we derived the non-seismic internal force and deforming of the structure.

通过对静力模型在恒载、活载和水荷载作用下的计算和组合，得到了结构非抗震设计的内力和变形。

And the influence of porosity on the lateral deformation of structure is also analyzed.

本文的研究成果可为地铁隧道的抗震设计提供一定的参考意见。

Therefore it is obvious that in a country of such a dense population and seismic activity proper design of earthquake resistant structures is the main issue in building.

因此，对于中国这个人口密集、地震活动频繁的国家来说，建筑物的抗震结构设计无疑将成为一个重大的问题。

The objective of performance-based seismic design is to control structural damage, economic loss and casualties under designable extent, moreover, to maintain the buildings functional after earthquake.

基于性能的抗震设计的目的是将所设计的结构在指定强度地震下的破损状态及其造成的经济损失、人员伤亡等控制在预期的目标范围内，使结构震后的功能得以延续、维持。

The VE materials have the damping character that the strain is delayed to the stress, so the VE damper and energy dissipation brace are basically a kind of velocity dependent device of suppressing vibration and energy dissipation which can be used in aseismic and wind-resistant design.

粘弹性材料具有应变滞后于应力的阻尼特性，由它构成的粘弹性阻尼器及消能支撑是一种基本上与速度相关的减振装置，可用于抗风振也可用于抗震。

The proposition of the horizontal distribution coefficient provide reliable basis for the analysis and design of high road dike in mountain area.

该分布系数的提出，为山区高填土路堤边坡的抗震稳定性分析设计，提供了可靠的依据。

This CD WALKMAN is a new standard for the Discman and has 10 second ESP.

一款具有全新概念的具有10秒抗震Discman。

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。