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本文通过对基桩缺陷进行概化处理，利用δ－函数建立了桩长有限、桩端为弹性支承时，考虑桩侧土作用，桩枯肥纵向激振条件下，非完整桩受迫振......
为研究水平荷载作用下斜坡基桩的斜坡空间效应对其承载特性的影响，设计并完成了不同坡度及水平荷载作用角度下斜坡基桩室内模型试验......
The theoretical foundation for application of wavelet analysis to pile integrity detection has been presented. The mecha......
A study on particle breakage behavior during pile penetration process using acoustic emission source
Particle breakage is a common occurrence in granular systems when the extal stress exceeds the individual particle stren......
A shake table investigation of dynamic behavior of pile supported bridges in liquefiable soil deposi
Bridges are a part of vital infrastructure, which should operate even after a disaster to keep emergency services runnin......
针对饱和黏弹性地基中桩基竖向振动问题,基于Boer多孔介质动力控制方程组,在不引入积分变换及势函数的情况下,采用微分算子分解理......
基于概率理论,对基桩完整性检测的概率分布进行了详细的分析,分析表明抽检结果与总体不合格率和抽检桩数有关,因此建议将总体不合......
利用预埋钢筋应力计和滑动测微计进行了强夯加固后的软弱土地基的桩身应力应变测试,探讨了钢筋应力计焊接、混凝土浇筑、静载试验......
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A simplified approach is presented to analyze the single pile settlement in multilayered soil. First, a fictitious soil?......
The elastic differential equations of load-transfer of single pile either with applied loads on pile-top or only under t......
长期竖向循环荷载作用下单桩的沉降特性与静载情况下明显不同,通过黄土及饱和黄土中单桩的竖向循环荷载试验,分析了循环荷载作用下......
研究了基桩反射波法三维干扰信号的成因和消除三维干扰的最佳采样方法。通过模态叠加法,发现三维干扰主要来源于使桩顶表面产生非......
Parametric Study on the Effects of Pile Inclination Angle on the Response of Batter Piles in Offshor
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
通过桩顶和桩间土中预埋应力和应变传感元件和计算机模拟仿真技术,有限元计算方法,结合施工过程加载观测等手段,进行减沉复合疏桩......
Investigation on the Effect of Geometrical and Geotechnical Parameters on Elongated Offshore Piles U
Among numerous offshore structures used in oil extraction, jacket platforms are still the most favorable ones in shallow......
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Piles are the main building foundation in permafrost regions. Thawing the permafrost foundation would have a negative ef......
湿陷性黄土地区基桩承载力检测中桩顶荷载是在土体沉降后施加的,桩基使用条件下是桩顶荷载施加之后再出现土体沉降.简要分析了这两......
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Estimating the deformation of soil around the pile contributes to reliable design of structures under pullout force. Thi......
In this paper, a nonlinear mathematical model for analyzing dynamical response to the large deformation of piles with in......
松散的饱和砂土在液化之前可作为固体看待,但当过量的孔隙水压达到初始侧应力时它成为液体,之后又恢复其强度.这个过程不能各自单......
Study of the Bearing Capacity at the Variable Cross-Section of A Riser- Surface Casing Composite Pil
Reducing the cost of offshore platform construction is an urgent issue for marginal oilfield development.The offshore oi......
液压锤利用锤体自重和液压力的共同作用来实现锤和桩的撞击并将桩贯人土层．据此分析锤和桩撞击过程以及结束后，桩和土壤之间的接触情......
为了研究郑州市一处深基坑施工中自身结构稳定,但临近建筑物地表严重开裂的工程问题,对其监测数据的分布特征进行研究,对后续数值......
A Method for the Damage Detection of Pile Foundation in High-Pile Wharf Based on A Curvature Mode De
As the top of the pile foundation in high-pile wharf is connected to the superstructure and most of the pile bodies are ......
Case histories have shown that the liquefaction-induced soil lateral spreading is one of the main causes of damage to pi......
Case histories have shown that the liquefaction-induced soil lateral spreading is one of the main causes of damage to pi......
Different techniques have been proposed to increase the bearing capacity of open-ended piles.Welding helices to the shaf......
非均质地基中承受竖向荷载单桩的荷载-沉降特性是桩基设计中所要考虑的重要因素.工程上通常是通过静载荷试验来测取桩的荷载-沉降......
针对水平受荷单桩变形内力的求解提出了一种新解法.根据基地反力系数三参数模型、线弹性地基上的Euler-Bernoulli梁理论和微段平衡......
由于钻孔灌注桩的隐蔽性强,施工过程无法观察,故要求严格控制其施工过程。施工中任何一个环节出现问题,都将直接影响到整个工程的......
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摘要：在临近既有桩基深基坑开挖过程中，为了保证深基坑本身和既有桩基的安全，需要对深基坑和既有桩基变形进行监测。本文基于某软土地......
针对20kg铝锭连续铸造机原控制系统存在的问题,介绍改进情况....
以单元刚度折减系数作为待识别参数,把频率和振型作为目标函数,运用遗传算法对折减系数进行计算,并通过实例运算验证了其对桩基损......
潜水钻机成孔工艺广泛应用于沿海地区第四系覆盖层的钻孔灌注桩施工中。介绍了潜水钻机的工作机理。在工程实践中，通过对钻机设备结......
本文依据波动原理考查敲击桩头所生成的瞬态波在桩内的传播和反射,说明在桩头所记录的时域信号的构成,导出其振幅谱和相位谱的表达......
以开采历史达百年煤炭城市一淮南矿区为例，研究煤矸石长期堆积对矿区土壤造成的重金属污染。从不同开采历史的矿井区选择7条土壤采......
位于黄石的某项目,因在施工前发现场地内局部存在土洞及岩溶裂隙带、周边存在软-可塑粉质黏土,经多方论证,采用冲击钻孔灌注桩和高......
对比分析了钻孔灌注桩和PHC管桩的优缺点,选取典型软土区段进行PHC管桩的线刚度、桩身强度和地基承载力计算分析。通过试桩确定在......
文章简要分析了和论证了在第三系砾岩，粘土岩中施工时遇到的问题和处理方法，以及地下水对边坡稳定性的影响。对今后在该地区施工有参......
To date no analytical solution of the pile ultimate lateral capacity for the general c–φ soil has been obtained. In th......
A simplified approach is presented to analyze the single pile settlement in multilayered soil. First, a fictitious soil-......
针对管桩抗拔静载试验中插筋填芯工期长、可靠性低的问题,本文提出一种快捷连接装置,安装快捷简便,可靠性高,并可在保证试验准确度......
挤土桩在沉桩过程中会产生明显的挤土效应，应用圆柱孔扩张理论可推导出桩周土体在打桩过程中产生的径向位移。挤土效应也可用来处理......
