The optimality criterion that the aseismic structure must satisfy as it is optimal is derived by using the Kuhn-Tucker necessary condition, and its meanings are also interpreted from the point of view of physics.

從數(shù)學規(guī)劃中的Kuhn-Tucker條件出發(fā)，推導出結(jié)構(gòu)抗震可靠性的優(yōu)化準則国产又爽又粗又黄视频，并在物理上解釋了該準則的含義又粗又硬又大欧美69a√。

At the soft-hard interface, pile may overbear the ultimate moment which leads to bending and shearing failures.

所得結(jié)果對今后樁基的抗震設計具有一定的指導意義。

It has been shown that new design of earthquake resistant connections should incorporate both weld fracture mitigation measures and flange overstress mitigation measures, that usually comprise changes in connection configuration.

而新的抗震節(jié)點應能夠減少焊接的脆性破壞和緩解翼緣處的過高應力集中爱情岛论坛自拍亚洲品质福利，這常常要求要改變節(jié)點的細部構(gòu)造欧美乱色伦图片区小说。

In this paper, in cognizance of the lack of accuracy of the calculation results in the current method of seismic analysis for the frame structures, the paper is searching for a new approach, using continuous models and through the establishment of the partial differential equations to carry on the dynamic analysis of the fiame structures, the limited units will be expanded to the unlimited units, each component as a continuous unit to deal with without the need of further subdivision, making the structure of dynamic behavior closer to the actual behavior and to improve the accuracy of the results.

本文針對當前框架結(jié)構(gòu)抗震分析的動力時程法計算結(jié)果不精確的不足，尋求一種采用連續(xù)模型并通過建立偏微分方程來對框架結(jié)構(gòu)進行動力分析的新方法久久riav.，把每個構(gòu)件作為一個連續(xù)單元來處理而不需要再細分国产羞羞视频在线观看，使得結(jié)構(gòu)的動力行為與實際更為接近，從而提高計算結(jié)果的精度九九精品视频在线播放平台。

The main research work and its results are: 1Empirical results are analysed for the relations of fault displacement and earthquake magnitude, and difference between permanent ground deformation and maxium dynamic relative displacement on the two sides of fault; 2An analytic method is proposed for resopnse of a buried pipeline due to earthquake fault movement; 3A new shell model with an equivalent boundary and relted finite element analysis method are proposed for estimating response of a buried pipeline under large fault movement; 4By the proposed method, damage performance of water supply steel pipelines with large diameter is simulated to the real cases in Kocaeli Earthquake and Ji-Ji Earthquake, and simulating results show the real failure mode of pipes is revealed; 5Effects of overlying soil and soft/hard interlayers are analyzed on ground rupture mode and degree due to earthquake fault, and some earthquake rupture phenomena in soil layers are theoretically described for the first time; 6Pipeline response characters are discussed for the case of considering effects of soil layers on ground rupture mode; 7Research results and proposed method are applied in seismic analysis of pipline acrossing fault in the Gas Tansportation Project from West to East in China.

主要工作和成果包括：1）分析了不同斷層位錯形式下地表破裂位錯量與震級之間的經(jīng)驗關系黄色片视频A急片，并基于集集地震近斷層記錄分析了斷層兩側(cè)永久地面變形和地震動相對位移幅值之間的差別，為合理地考慮地震斷層位錯地面變形動態(tài)影響提供了依據(jù)乱伦无码高清；2）發(fā)展了斷層位錯地面大變形下管線反應分析模型并給出物理概念明確色又色综合、簡單實用的解析分析方法；3）建立了斷層位錯下埋地管線反應分析的等效邊界殼模型有限元方法国产精品久久久久久亚洲按摩，方法中引入了以非線性彈簧形式模擬離斷層較遠處管段影響的等效邊界综合视频一区，簡化了計算模型并突出了近斷層處管體反應；4）利用等效邊界殼模型方法美女任人插黄色视频，對土耳其地震和集集地震中大口徑埋地管線震害進行了模擬369超碰在线观看，結(jié)果表明所提方法可以更清地解釋震害所表現(xiàn)的管體破壞特征；5）研究了覆蓋土層和軟硬夾層的存在對斷層位錯地面破裂形式和程度的影響欧美黑妞A片黑妞BBW，首次從理論上解釋了某些地震地表破裂現(xiàn)象国产一级av网址；6）探討了考慮土層對斷層位錯地面變形影響的管體反應特征；7）本項目成果已在西氣東輸工程的管道跨斷層抗震問題分析中得到了應用国模无码人体一区二区。

Based on failure model of brick masonry walls and truss bar model of fiber reinforced polymer, the formulas of shear capacity of brick masonry wall with pilaster strengthened with GFRP are established, which agree well with the experimental results.

基于未加固墻體的剪摩和剪壓破壞模型和纖維復合材料的桁架受力模型91碰视频在线，推導出在不同破壞形態(tài)下，GFRP加固帶壁柱磚墻的抗震抗剪承載力理論計算公式性行为黄色网站。利用公式所得的計算結(jié)果與試驗結(jié)果吻合国产美女久久精品香蕉69。

An experimental research is conducted on the seismic performance of brick masonry walls with pilaster reinforced by glass fiber reinforced polymer.

對玻璃纖維復合材料(Glass Fiber Reinforced Polymer，GFRP)加固帶壁柱磚墻抗震性能進行試驗研究国产美女高清自慰网站嫩草。

By carrying out the experiment of five pieces of brick masonry walls with pilaster under low reversed cyclic loading, including four pieces strengthened with GFS and one piece un-strengthened, the seismic performance, such as the hysteretic behavior, rigidity degradations deformation and energy-dissipation, are studied systematically.

通過1片未加固磚墻體和4片玻璃纖維布加固磚墻體抗震性能的試驗亚洲无码在线天堂，對墻體的滯回特性、剛度退化性能又黄又硬又粗又大免费无遮挡、變形性能及耗能性能進行系統(tǒng)分析日韩美女一级久久精品视频。

Based on the low cyclic loading experiments on one brick masonry wall with ordinary pilaster and eight specimens of masonry walls with pilaster strengthened by GFRP, the failure characteristics of the walls are explained; seismic performance characteristics, such as resilience, rigidity and its degeneration, deformation, and energy dissipation are studied; and influence of the measures including strengthening means, reinforcement area proportion between GFRP and wall surface,"through-wall" anchorage reinforcement effects are studied.

通過1片未加固帶壁柱磚墻和8片GFRP加固帶壁柱磚墻在低周往復荷載作用下的抗震性能試驗，闡述了各試件的破壞特征免费三级片一区；研究CFRP加固前后墻體的滯回特性欧美成人精品第一区二区三区、剛度及退化特性、變形性能欧美熟妇A片在线A片织频、耗能性能等變化規(guī)律国产一级操逼黄片，以及加固方式、加固量和"對拉"錨固措施對加固效果的影響欧美黄色第一页。

This kind of structure is fit for the comfortable steer with no other expansion joints except for those at the two ends. It characterized the wholeness of structure , good astigmatic ability and load-bearing ability , construction rapidness, bright and pithiness bridge style, so rigid frame bridge have taken an increasingly great proportion in bridges constructed and those under construction at city and county.

連續(xù)剛構(gòu)橋能滿足特大跨徑橋梁的受力要求，除梁端以外無其他伸縮縫欧美粗黑硬一级特黄，有利于行車平順舒適黄片手片A片，具有結(jié)構(gòu)整體性能好人人操人人妻人人色、抗震能力強、承載能力強国产一区91福利在线观看，施工快捷等結(jié)構(gòu)特點片色色，因此在城鄉(xiāng)已建和在建的橋梁中占據(jù)了越來越大的比重。