pile shaft
桩身
2025-10-09 12:29 浏览次数 8
桩身
pile shaft integrity coefficient桩身完整系数
pile shaft floating up桩身上浮
pile shaft skin桩侧
pile shaft concrete桩身混凝土
pile shaft joint桩身接缝
stress of pile shaft桩身应力
pile shaft skin friction桩侧摩阻力
pile shaft grouting桩侧压浆技术
it was shown that computed bending moments along pile shaft and deflection occurred at pile top are consistent with the measured ones.
桩身弯矩和桩顶位移的计算值与实测值基本符合。
the second is, according to concept of ultimate bearing capacity, that pile shaft and base resistance can be made full use owing to pile「s lengthening.
按极限荷载的定义,桩长伸长能充分发挥桩身承载力和桩底承载力;
the results of model tests on pile-soil-cap interaction were presented. the soil displacement among the piles, contact pressure on the base of the cap, pile shaft and toe resistance were studied.
通过带承台单桩及双桩基础的模型试验,对低承台桩基桩间土变形发展及其与承台板板底应力、桩侧摩阻力及桩端阻力间的相互影响进行较为细致的研究。
it is introduced briefly that the principles of testing piles by low-strain reflected wave, and the factors influencing the quality of pile shaft as well as its applications in actual projects.
简要介绍了低应变反射波测桩的原理,以及影响检测桩身质量的影响因素,并介绍了在实际工程中的应用情况。
these errors are relative with the mathematical model about pile shaft concrete and soil resistance in high strain testing.
高应变试验模拟计算结果与静载结果的不同,与其测试分析中采用的桩身材料和土阻力的数学模型有关。
there was no need of discretization of soil and piles along pile shaft in the analysis.
无需对桩和土体沿深度方向进行单元离散,简化了计算过程。
based on the demand of present code, using the calculation of bearing capacity of pile shaft and subgrade bearing capacity for pile, vertical experimental load of embedded rock pile is ensured.
采用现行规范规定的对桩身承载力和地基土对桩的支承阻力两项的计算,确定嵌巖桩竖向抗压静载试验的试验荷载。
problem on the bearing capacity of cast-in-place pile influenced by the deposit at pile end and the mud hanged on pile shaft can be solved by the technique with the post grouting.
灌注桩后压浆技术解决了桩底 沉淤和桩身泥皮影响灌注桩承载力的问题,使桩底、桩侧土得到了加固,从而大幅度提高了灌注桩的承载力,降低了桩的 沉降量。
pile shaft capacity and main factors are tested by standard penetration test and sit core test.
用标準贯入试验和现场取芯试验可以有效地检测粉喷桩桩身强度和主要影响因素;
in the simulated conditions, the impact of pile shaft resistance biggest factor is the nature of the soil around the pile.
在所模拟的工况中,影响桩侧摩阻力最大的因素是桩周土的性质。
and the third is that pile shaft resistance around pile」s underside end is reinforced remarkably because of increase of strength and rigidity of soils under the pile.
桩端土强度、刚度的提高对桩侧阻力在桩端有明显的增强效应,并对膨胀混凝土灌注桩的设计和施工提出了建议。
it also analyses the influence of attenuation of stress wave cased by the soil resistance and the damp of pile shaft material in dynamic pile test on the precision of pile shaft integrity test.
分析了动力试桩中,因土阻力和桩身材料阻尼引起的应力波衰减作用对桩身的完整性检测精度的影响。
the variations of pile head stiffness with the variations of pile length, pile diameter and elastic modulus of the material of pile shaft are discussed.
本文讨论了桩的刚度随桩长、直径、桩身材料弹性模量的变化影响,并把计算值与实测值进行了比较。
finally, combined with an engineering example, the effect of different soil modulus on the internal forces and deformation along pile shaft is discussed.
最后,结合工程实例讨论了不同桩侧土体变形模量分布模式对桩身内力变形的影响规律。
many static test data indicate that, the load-transfer curves can be well fitted with hyperbola, so nonlinear analysis on behavior of load transferring along pile shaft is necessary.
大量试桩资料表明,桩身荷载传递函数曲线多符合双曲线模型,故有必要对基桩荷载传递性状进行非线性分析。
the thesis analysis the pile shaft resistance distribution, the pile axial force distribution, the pile tip resistance and p-s curve.
对桩土作用桩侧摩阻力分布、桩轴力分布、桩端阻力、p-s曲线进行分析。
these factors, which include slurrys preparation, circulation, depuration and so on, would influence drilling speed, bore quality, exertion of pile shaft resistance and base resistance.
泥浆制备、循环、凈化等因素的好坏直接影响到鉆进速度和成孔质量、桩侧摩阻力及桩端阻力的发挥。
the side friction is mobilized earlier than the tip resistance and the pile settlement is mainly the compression of pile shaft compression.
桩侧阻力先于桩端阻力的发挥,桩的沉降量主要是桩身压缩量。
in the pile of soil is the same, pile bearing stratum strength of vietnam, the greater the pile shaft resistance.
在桩周土相同时,桩端持力层强度越高,其桩侧摩阻力越大。
the relationship of skin friction and relative displacement between the pile shaft and the surrounding soil is idealized as perfectly elastoplastic.
通过假定桩土界面摩阻力与相对位移为理想弹塑性关系;