查询词典 piles and piles of
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For composite foundation with compressible piles, based on displacement harmony condition, and combining with load transfer method and approximate solution of differential equation, analysis methods of linear and nonlinear interaction between piles and surrounding soil were suggested.
对柔性桩复合地基,是基于位移协调条件,并结合荷载传递法与微分方程的近似解法——子域法,提出了变截面自由单桩与地基土、刚性承台下柔性单桩和变截面柔性单桩与地基土、刚性承台下柔性群桩与地基土线性及非线性相互作用的分析方法,并得到有效桩长、桩与基土的荷载分配及刚性承台下各桩桩项荷载分配、荷载—沉降关系、荷载传递规律等有意义的结果。
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For composite foundation with compressible piles, based on displacement harmony condition, and combining with load transfer method and approximate solution of differential equation, analysis methods of linear and nonlinear interaction between piles and surrounding soil were suggested. A lot of significative results, for example availability pile length, load distribution between piles and surrounding soil, load distribution among all piles under rigidity pile-cap, load-settlement relation etc, were obtained.
对柔性桩复合地基,是基于位移协调条件,并结合荷载传递法与微分方程的近似解法—子域法,提出了变截面自由单桩与地基土、刚性承台下柔性单桩和变截面柔性单桩与地基土、刚性承台下柔性群桩与地基土线性及非线性相互作用的分析方法,并得到有效桩长、桩与基土的荷载分配及刚性承台下各桩桩顶荷载分配、荷载一沉降关系、荷载传递规律等有意义的结果。
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The forces and moments on individual pile are not uniform because of the effects of group piles. The effects of KC number, water depth and current velocity on the coefficient of group piles are discussed.
由于群桩效应使得各组成桩的受力不均匀,通过试验研究,分析了群桩中各组成桩及群桩总体折减系数随KC数的变化、受水深及流速的影响。
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In this paper, the fundamental theories and general development situation of composite foundation had been summarized at first. By comparing the application effectiveness and economical efficiency of several major piles types used in soft soil area, it was been indicated that these piles types were all defectively on bearing capacity or economical efficiency, while the rigid-flexible, long-short pile composite foundation could make full use of its bearing capacity, reduce the quantity of piles, and satisfy settlement and bearing capacity requests.
本文首先综述了复合地基及复合桩基的基本理论和发展概况,通过对深厚软土地区几种常用桩型应用情况及经济性能的比较,指出现行的几种常用桩型都不同程度地在承载能力或经济性上存在一定的缺陷,而通过比较表明刚柔性长短桩复合地基能最大限度的发挥复合地基的承载力,以减少用桩量,并满足工程对沉降和承载力的要求,因此,具有良好的经济性。
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The paper has a further research on the influence of compound soil nailing behavior in the perspective and the axial strength of the soil nails of the effect of the stiffness of soil, the stiffness of soil-cement mixing piles, the width of soil-cement mixing piles, the length of nails, the angle of nails. The paper also has a research on the influence of compound soil nailing behavior in the perspective of silt and hardpan of the effect of the width of soil-cement mixing piles.
深入分析了土体的弹性模量,水泥搅拌桩的弹性模量,水泥搅拌桩挡墙的宽度,土钉长度的变化以及土钉倾角的变化对复合型土钉墙变形性状和土钉轴力的影响,以及水泥搅拌桩挡墙的宽度在淤泥土层以及砂土土层中对复合型土钉墙支护变形性状的影响。
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This paper analyses the feature of the bearing capacity and settlement of large diameter belled piles and pointed out that such piles should be designed according to the foundation settlement .
试验研究和数值分析[1,2]表明,大直径扩底桩桩端以下的地基变形和破坏模式既不同于扩展式浅基础的整体剪切破坏,也不同于常见桩基础的刺入破坏或深层剪切破坏。
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This paper studied the feasibility of the application of mycorrhizas in revegtating coal waste piles and explored the method and effectiveness of applying mycorrhizas to revegetate coal waste piles in Dawukou coal processing plant of Taixi Coal Group,Ninxia.
介绍了菌根生物技术在煤矸石山绿化中应用的可行性,并以干旱地区的宁夏太西集团有限责任公司大武口洗煤厂煤矸石山绿化为例,探讨了菌根生物技术应用的方法和效果。
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The propagation characteristic of stress wave in perfect piles with the influence of pile material damping and the soil damping , in different kinds of defect piles and several liable misjudging situations are briefly simulated .
主要模拟了应力波在完整桩中存在桩身材料阻尼和土阻力影响时的传播特性、在各种不同类型的缺陷桩中的传播特性及几种易发生误判的情况,结合工程实际对各种不同的情况进行分析总结。
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This paper discusses the results of triple tube superjet grouting method RJP applied to deep ground treatment at City Area of Tapei MRT. Base on the theorey of grouting, the construction and judegment of test piles, the layout of production piles, the construction parameters setting and control, the improved result and varification, we belive it proviedes reference for the similar projects.
主要探讨三重管高压喷射灌浆RJP工法首次于台北捷运市区段标之深层地盘改良实际施工案例,从灌浆工法基本原理、试验桩之验证施工与检测、工作桩之设计配置、施工时灌浆参数设定与管控、改良后钻心取样成果与实际潜盾发进时改良成效现况验证比对,以提供工程界未来类似工程设计与施工参考。
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Single factor experiments were done with the factors including the width of protrusion and the trolley's velocity, which showed that the surface frictional coefficient decreases with the width of protrusion increasing, and doesn't change with the trolley's velocity changing, which was consistent with the results of the orthogonal experiment. A theoretical model of the horizontal projection of a corrugated bionic surface's contact area was built, which showed that the contact area's horizontal projection decreases with width and interval increasing respectively and that the ratio of the contact area's horizontal projection and the vertical load decreases with the vertical load increasing. It indicated that the surface frictional coefficient decreases with the above three factors increasing respectively. Finite element modeling and analysis of interactions of a plate and soils was done using ANSYS, which showed that the plate frictional coefficient is little relative to soil elastic modulus and decreases with vertical surface pressure and that trolley's pull and vertical displacement of bionic surface's control pilot keep constant almost during the plate being pulled. Finite element modeling and analysis of interactions of a corrugated bionic surface and soils was done using ANSYS, which showed that surface frictional coefficient is little relative to soil elastic modulus and decreases with bionic surface's structural parameters and vertical pressure increasing. However, the three factors all didn't affect the surface frictional coefficient remarkably on the condition of 90% dependability. For the first time, bionic surfaces were applied to screw piles, which formed bionic screw piles, and the contrast experiments showed the bionic screw pile had certain resistance-decreasing effects.
建立了波纹型仿生曲面与土壤的接触面积的水平投影的理论模型,表明接触面积的水平投影A随着波纹型仿生曲面突起宽度、两相邻突起间距的增大而减小,接触面积的水平投影与波纹型仿生曲面表面垂直载荷之比随着波纹型仿生曲面表面垂直载荷的增大而减小,进而得出仿生曲面摩擦系数随着波纹型仿生曲面突起宽度、两相邻突起间距以及表面垂直载荷的增大而减小;利用ANSYS软件对平板与土壤的相互作用进行了有限元建模与分析,表明平板摩擦系数与土壤弹性模量关系不大,而随着表面垂直载荷的增大而减小;平板牵引过程中台车牵引力和仿生曲面控制节点垂直方向位移基本保持不变;利用ANSYS软件对波纹型仿生曲面与土壤的相互作用进行了有限元建模与分析,表明波纹型仿生曲面系数在一定范围内基本不受土壤弹性模量的影响,随着波纹型仿生曲面突起宽度、两相邻突起间距以及表面垂直载荷的增大而减小,但在可信度为90%的前提下,三个因素影响都不显著;首次将波纹型仿生曲面应用于与土壤作用方式以挤压为主的螺旋桩,形成仿生螺旋桩,并与普通螺旋桩进行了沉桩对比试验,表明波纹型仿生曲面应用于螺旋桩桩体表面具有明显的降阻作用。
- 推荐网络例句
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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.
索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。
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The relationship between communicative competence and grammar teaching should be that of the ends and the means.
交际能力和语法的关系应该是目标与途径的关系。
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This is not paper type of business,it's people business,with such huge money involved.
这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。