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counterforce n.反擊力〔尤指用戰略空軍和導[飛]彈核武器在戰爭一開始...

counterfort

In this paper ; i set up 2 - dimensions finite element model of piled raft foundations by professional software . the results of caculating many engneering projects show the change of settlement , intemal force and counterforce on pile when parameters are variational . this paper discusses the effects of internal force and the settlement of plate on ground and counterforce on pile of main towers and podiums with settlement joints between them 本文采用專業有限元程序,通過建立二維模型,主要分析和研究了樁筏基礎的沉降、內力、樁頂反力等變化規律,討論了筏板和樁各種參數(筏板形狀、厚度、樁長、布樁方式等)對整個基礎的沉降和筏板內力的影響。

On the basis of analyzing in theory , the operation mechanism structure is optimized , which makes the better fit between output character and arc quenching chamber ' s counterforce during switching and closing , very appropriate structure design and very little distortion amount , so the character is kept better and the reliability is improved 在理論分析的基礎上優化了操動機構的結構,使得機構在開斷和關合過程中出力特性與滅弧室的反力特性配合良好;結構設計上非常合理,保證部件變形量最小,這樣既保證了性能又提高了可靠性。

Subsequently , the interaction equations and its analysis programs come into being . with the applications of above interaction analysis method and its analysis programs , the following works are studied in this thesis , ( 1 ) study on the effects of the design parameters of the slab , which affect the counterforce on the pile head and the sedimentation characteristics of the piled raft foundation 利用上述共同作用分析方法和共同作用分析程序,做了如下研究工作: ( 1 )筏板設計參數對樁筏基礎樁頂反力及沉降特性的影響; ( 2 )樁設計參數對樁筏基礎樁頂反力及沉降特性的影響; ( 3 )在上述分析研究的基礎上,闡述了變剛度調平設計的原理、方法和步驟。

With a view to the contactor counterforce , which was calculated by the combination of spring - force and mechanical construction before , had the problem of mechanical matching . the contactor counterforce “ one - off “ measurement , which is realized by the synchronization testing of the placement based on opto - mechanism and the spring counterforce for the moving component , is put forward the fist time 針對現階段接觸器反力特性主要采用彈簧力與機械結構組合的計算方法,存在機械配合性問題,將接觸器光機電位移檢測與可動部件彈簧反力特性檢測同步進行,首次實現了接觸器反力一位移特性的“一次性”測量。

On the basis of investigation on the related researching achievements home and abroad , this thesis puts emphasis on studying the counterforce on the pile head and the sedimentation characteristics of the piled raft foundation under the vertical loads , considering the superstructure ’ s effect . and then , this thesis probes into the principles , methods and processes of balance design method for variable - rigidity 在分析國內外相關研究成果的基礎上,本文主要研究豎向荷載作用下考慮上部結構影響的樁筏基礎樁頂反力及沉降特性,并在此基礎上探討了變剛度調平設計的原理、方法和步驟。

On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s “ arch effect “ the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity . the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively . the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries 在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,并考慮擴底樁的“拱效應”特點引入了有效樁長的概念,最后結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。

( 2 ) study on the effects of the design parameters of the piles , which affect the counterforce on the pile head and the sedimentation characteristics of the piled raft foundation . ( 3 ) the principles , methods and processes of balance design method for variable - rigidity were expatiated on the basis of above studies 理論研究表明:樁距、樁長、樁徑及筏板厚度的變化對樁筏基礎樁頂反力及沉降特性有很大影響,特別是筏板厚度和樁距的變化對樁筏基礎沉降差影響甚大。

Different situations , single - pile raft , four - pile raft and nine - pile raft , are calculated with cpri . with the computing results , the variation of the raft settlement , pile counterforce , soil counterforce and pore pressure at different time are analyzed , which agree with the general rule and show the contribution of soil consolidation on the interaction 本文利用cpri分別對單樁承臺、四樁承臺和九樁承臺的工作性狀進行了計算分析,模擬樁基的沉降發展過程和不同時刻土體中的孔壓、樁身荷載、承臺底面土體反力的變化,分析了群樁承臺的荷載在各樁頂的分布。

This article offers a method for solving the frictional drag , that is , according to the various buckled shapes of coiled tubing in different hole sections , working out the mean contact counterforce in a screw pitch in solving the radial contact counterforce 求解摩阻力時,可針對連續油管在井身中不同結構段的不同變形形狀,采用求解徑向接觸反力時求一個螺距內平均接觸反力的方法加以解決。

But when all this has befallen , then god the creator of all things will look on that which has come to pass , and will stop the disorder by the counterforce of his will , which is the good 而當這一切降臨的時候,萬物的創世之神會看著要經過的事情,他的意志的反作用力,那就是“善” ,會停止這種無序。

However , in the actual training there is an obvious counterforce which is often neglected , but should be carefully considered in the same time 但實際訓練中明顯存在的反作用力,常常被人們忽視,我們必須加以認真研究。

1 , reasonable sructure , good elasticity , large range of compensation pipeline and little counterforce to the brackets of pipeline 1結構合理,彈性好,補償管道熱脹冷縮范圍大,對管道支架的反作用力小