There is a trend to develop a simplified method for estimating the deformation of structure.

基于性能的抗震設(shè)計(jì)思想已得到國(guó)際上的普遍認(rèn)可永久免费看A片无码不卡网站，其發(fā)展的一種趨勢(shì)是建立簡(jiǎn)單的非線性方法確定結(jié)構(gòu)非線性行為538国产精品视频一区二区三区。

Taking the seismic acceleration response and horizontal bent angle as external forces, a simplified seismic calculating method considering train-bridge-earthquake interaction is proposed.

提出了以地震加速度響應(yīng)和橋梁線路水平折角為外力的分階段式考慮車—橋體系地震相互作用的簡(jiǎn)化抗震計(jì)算方法欧美大屌激情。

The influence of with or without longitudinal joint, with or without initial opening, with or without filling in the joints and different friction factor in the joint face and so on are studied on the seismic response of Fengman Dam. Thus the conclusions for gravity dams with longitudinal joints is drawn.

對(duì)于豐滿重力壩日韩免费黄色网站，本文考慮了有日本黄页网站免费大全37699、無(wú)縱縫欧美久久性情一级A片，縱縫有、無(wú)寬度网友自拍日韩经典视频，縱縫有狼友视频在线播放、無(wú)填充物及縫面的不同摩擦系數(shù)等情況，進(jìn)行了靜動(dòng)組合的地震反應(yīng)分析午夜福利啪爽国产片精品91，對(duì)存在縱縫的重力壩的抗震特性得出了一系列規(guī)律性的認(rèn)識(shí)欧美激情性爱A片。

There are mainly three key technical problems in the heightening project, which are opening of joint face between old and new concrete, seismic safety of the dam, and the curtain durability and reinforced grouting technology of the dam with high water head.

大壩加高中的關(guān)鍵技術(shù)研究難題主要有：新老混凝土結(jié)合問(wèn)題研究、大壩抗震安全問(wèn)題研究国产92精品午夜白精在线、高水頭大壩帷幕耐久性及補(bǔ)強(qiáng)灌漿技術(shù)研究三大類WWW、欧美日韩性生活片、com。

On the basis of the knowledge highway's ruin of the past, in high earthquake intensity area of highway, underground structure may be fall into ruin for the seismic motion, especially, the entrance of tunnel is the weakest of the tunnel. As based on the soil-structure interaction model, adopting the soft of FLAC3D and numerical analysis method, the tunnel entrance has been computed by the elastic and plastic method, the results obtained are discussed and the measures for design and solution are presented.

根據(jù)以往的受震破壞經(jīng)驗(yàn)，在公路隧道的高烈度地震帶麻豆激情，地下工程可能會(huì)遭受嚴(yán)重震害免费裸体网站入口，尤其洞口段為抗震薄弱區(qū)，本文采用FLAC3D軟件91久久精品国产一区二区蜜月，從土－結(jié)構(gòu)相互作用模型出發(fā)GoGo无码一区二区三区，運(yùn)用數(shù)值分析方法對(duì)隧道洞口段進(jìn)行了三維彈性和彈塑性分析，得出了相應(yīng)結(jié)論在线无码一区免费AV，并對(duì)結(jié)果進(jìn)行分析美女黄片a，指出隧道抗減震設(shè)計(jì)中應(yīng)注意的事項(xiàng)，并提出相應(yīng)解決措施18禁免费观看黄网站。

The paper introduces some researches, such as a new method to calculate the added mass for the seismic analysis of the fuel assembly in fast breeder reactor, simulation on the vortex shedding of double heat exchange tubes in a steam generator, simulation on the vortex shedding caused by the cross -flow over plates in a fuel assembly of an advanced reactor, the research on the impacting phenomenon of the free-surface on the vessel head in a storage tank as the main vessel of the China Experimental Fast Reactor shaken by the earthquake, and the researches on the solution of the liquid sloshing by moving particle semi-implicit and the scattering phenomenon caused by sloshing, and so on.

本文介紹華北電力大學(xué)在該方面的一些研究進(jìn)展色色男人网，例如，快堆燃料組件抗震分析新的流體附加質(zhì)量計(jì)算方法研究iGAo视频网在线观看一级欧美；蒸汽發(fā)生器換熱管雙管漩渦脫落的數(shù)值模擬成年人福利视频；一個(gè)先進(jìn)堆燃料組件平行板上流動(dòng)引起的漩渦脫落數(shù)值模擬；由地震引起的自由表面對(duì)快堆主容器沖擊現(xiàn)象的研究艹到高潮网站；移動(dòng)粒子法求解液面晃動(dòng)及晃動(dòng)引起離散現(xiàn)象的研究等超碰99re91伊人公开精品。

In this paper the energy dissipation mechanism and anti-earthquake ductility design of ferroconcrete frame structure are expounded mainly.

文章主要闡述了鋼筋混凝土框架結(jié)構(gòu)的耗能機(jī)理和抗震延性設(shè)計(jì)的方法。

Therefore, the study for material damping of RC and CFST under forced vibration is urgent in theory and practice of seismic design and dynamic analysis of structures.

因此18禁看网站，鋼筋混凝土和鋼管混凝土受迫振動(dòng)條件下的材料阻尼研究對(duì)工程結(jié)構(gòu)抗震設(shè)計(jì)與動(dòng)力分析具有重要的理論與實(shí)際意義天天视频黄色片。

By an example, I verify that the foresaid assessment and strengthening is an easy practical method and has a value of the engineering application.

通過(guò)算例分析說(shuō)明性色一区二区，本文提出的抗震評(píng)估方法簡(jiǎn)單、實(shí)用野花香高清视频在线观看，具有工程應(yīng)用價(jià)值91黄色视频在线免费看。

A further analysis of the structural systems having combination of RC shear-wall with block wall is worked out, calculation of seismic action is performed, a formula for computation of principle of work in coordination between RC shear-wall with block wall is put forward, and the program for computation source is given.

對(duì)鋼筋混凝土剪力墻—砌塊墻組合結(jié)構(gòu)體系又進(jìn)行了進(jìn)一步分析，進(jìn)行了地震作用計(jì)算国产免费午夜福利播放视频，提出了鋼筋混凝土抗震墻與砌塊墻協(xié)同工作的計(jì)算公式欧美www视频在线观看，給出了計(jì)算源程序。