There may be widespread changes in ground elevation as well as horizontal or shear displacements . 地面標(biāo)高可能發(fā)生廣泛的變動,也可能發(fā)生水平位移或剪切位移。
Study on hyporbolic shear deformation curve of the discontinuous plane in rock mass 巖體不連續(xù)面雙曲線剪切位移曲線的研究
Settlement calculation of the long - short - pile composite foundation with shear displacement method 基于剪切位移法的長短樁復(fù)合地基沉降計算
Plastic deformation as the result of dislocation motion ; also , the shear displacement of two adjacent planes of atoms 位錯移動導(dǎo)致的塑性變形或兩個相鄰原子面的剪切位移。
Based on the direct shear tests of three types of coaxial cables , the influence of coaxial cable ' s shear deformation on tdr signal was studied 通過三種型號同軸電纜的直剪試驗(yàn),總結(jié)了同軸電纜tdr反射波形隨剪切位移的變化規(guī)律及不同型號同軸電纜的tdr試驗(yàn)特性。
With the shearing deformation theory and deductive theory , the calculational formulas of flexibility coefficient of the pile head can be obtained . the interaction of the soil elements is calculated according to the layered - soil model . consequently , approximate analytical formulas of the flexibility matrix of piles - soil system , which undertake the vertical loads , come out 采用剪切位移法,利用遞推原理導(dǎo)出樁頂柔度系數(shù)的計算公式;采用分層地基模型計算土體單元之間的相互作用,從而獲得承擔(dān)豎向荷載樁土支撐體系的柔度矩陣近似解析公式,進(jìn)而得到樁土支撐體系剛度矩陣。
( 4 ) in the interaction analysis of pile ? at foundation , the shear ? eformationed method which only deal with a single pile in homogeneous body previously has been developed so that the interaction analysis of piles with layer soil has been completed successfully . based on the flexible coefficient of the single pile , that coefficient of pile ? ile , pile ? oil or soil ? ile has been deduced , then rigid matrix of system of piles and layer soil can be gained ( 4 )在樁土共同作用分析中,本文發(fā)展了計算單樁沉降的剪切位移法,在得到單樁位移柔度系數(shù)的基礎(chǔ)上,進(jìn)一步得到了樁?樁相互作用位移柔度系數(shù)和樁?土相互作用位移柔度系數(shù),從而得到了樁?土體系的剛度矩陣,使之可用于進(jìn)行層狀地基中群樁與土的共同作用分析。
Meanwhile , the influence of overlapping area on the beam foundation is modified by means of load amendment , and the influence of overlapping area on the pile - beam foundation is modified by means of stiffness amendment . by applying the model of stress - spread in shear - displacement method to describe the stress spread between piles and the geddes hypothesis to determine the stress distribution of pile , a displacement coefficient is deduced to calculate the flexibility matrix and the coefficient for load distribution of pile . considering the stiffness of foundation beam , the equation of the interaction of pile - beam - soil is established and an analysis program is developed related to the interaction 本文通過采用剪切位移法中的應(yīng)力擴(kuò)散模型考慮樁與樁之間的應(yīng)力傳遞作用;采用geddes假定確定樁身和樁端的應(yīng)力分布,推導(dǎo)位移系數(shù),并以此為基礎(chǔ)求得柔度矩陣;樁身和樁端的應(yīng)力分布大小由樁的荷載分配系數(shù)控制,通過迭代法可以求出樁的荷載分配系數(shù);在考慮基礎(chǔ)梁對樁?梁?地基土共同作用的剛度貢獻(xiàn)基礎(chǔ)上,提出了樁?梁?地基土共同作用方程,并通過本文作者開發(fā)的相應(yīng)計算程序,經(jīng)實(shí)例計算驗(yàn)證了本文方法的正確性。