能否根据压桩终压力预估单桩极限承载力?。
Whether the vertical capacity of single pile can be estimated according ultimate pressure?
通过设置静力释放孔、预钻孔取土减小压桩挤土效应。
Earth extrusion effect is alleviated by setting static force release perforations and pre-bored perforations during pile pressing.
在通用软件ANSYS平台上对静力压桩进行数值分析。
Numerical analysis of static piling based on the commonly used software ANSYS is done.
软土地区静力压桩的终压控制标准是一个探讨较多的课题。
The criteria for control of final pressure on static piles in soft soil area is a problem frecuently discussed.
论述静压预制桩压桩力对地表土层和下卧软土层承载能力的要求。
The demand of bearing capacity on the surface soil and soft foundation should be met for the static pressure fabricated pile.
结果表明：托桩桩身轴力、位移沿桩身分布呈上弯分布，与压桩的下弯分布相反。
The results indicate that the distribution curves of axial forces and sectional settlement are protuberant, which is contrary to top-loaded piles.
通过工程试验，提出高强预应力混凝土管桩在砂性地基中静力压桩压桩力，并分析产生断桩的原因。
Through engineering trials, this paper brought forward the static installation pressure of PHC piles in sandy soil, and analyzed the reasons why PHC piles were caused to rupture.
桶形基础采用负压沉贯法施工，与压桩、打桩等施工方法显著不同，且阻力特性受地基性质影响很大。
The bucket foundation suction penetration technique is different from the pile driving technique, and the characteristics of penetration resistance is greatly influenced by the seabed character.
在压桩过程中同时在桩侧注入浆液，桩尖达到设计深度后，浆液随着桩的沉入在桩端形成注浆扩大头。
In the time of pressing the pile, the grout are inject into the soil. When the pile tip reaches the design depth, then continue to inject grout into the pile, so that the pile head expand.
预制桩采用静力压桩法在软土地区已越来越被广泛采用，甚至应用在20层以上的高层建筑也已有数十例。
Statically pressed piles have been more and more widely adopted to support building in soft soil areas, some highrise ones being over 20 storeys.
本文针对静力压桩机调平困难的问题，提出了一种采用电液比例控制技术设计的压桩机的机身自动调平系统。
This Paper Puts forward an automatic level coned system of static pile driver's body by using electro-hydraulic proportional technique to solve the difficult level control problem.
静压法施工是通过静力压桩机的压桩机构以压桩机自重和机架上的配重提供反力而将桩压入土中的沉桩工艺。
The construction of static pressure is to press the pile into the soil with reaction force provided by the static pile driver weight, and balance weight on the rack.
为液压静力沉桩机液压系统的压桩油路中产生一定频率压力变化，实现振动压桩而研发了一套液压振动系统。
A hydraulic vibratory system is developed for vibratory pile pressing. It can produce variable pressure with a specified frequency in hydraulic circuit for hydraulic static pile pressing machine.
本桩基施工正值清明季节，为使压桩工程能顺利施工，根据气候特点确定相应的措施，以保证工程的质量及工期。
Piles are constructed in Fresh Green season. In order to keep the smooth construction of piles, responding measures are made according to climate to guarantee the quality and time limit of works.
本文对压桩挤土效应方面的研究成果进行了综述，重点讨论了室内和现场试验、圆孔扩张理论、有限元计算的研究概况。
In this paper research results are reviewed on compaction effect of jacked pile, specially on in-situ and laboratory experiments, the theory of cavity expansion and finite element method.
静力压桩法因其无噪音、无振动、施工速度快、桩身质量可靠，在我国软土地区多层建筑和高层建筑中较为广泛地得到应用。
Because of no noise, no vibration, high construction speed and reliable quality, the jacked pile are more widely applied in multi-storey buildings and high-rise buildings in China's soft soil area.
为使静力压桩机在工作过程中能够实现实时自动保持机身水平与水平升降，设计了一种基于PLC的压桩机电液自动调平系统。
To achieve real time automatic levelling and vertical rise up and fall down of the static pile driver′s case, an electro hydraulic levelling system is designed for the static pile driver based on PLC.
静力压桩法因其无燥声、无振动、施工速度快、桩身质量可靠，在我国软土地区的多层建筑和高层建筑中较为广泛地得到应用。
The Jacked pile is more widely applied in multi-storey buildings and high-rise buildings in China's soft soil area, because of no noise, no vibration, high construction speed and reliable quality.
采用合适的土体屈服准则及有限变形理论，通过在桩—土界面设置接触以及在桩顶施加位移荷载建立了符合压桩实际的有限元模型。
An appropriate finite element model was given according to the actual process of jacked pile. This model adopted the rational constitutive model of soil and finite deformation theory.
液压振动系统的主要特点是在桩机液压系统中的压桩油路产生流体压力变化和波动，从而使沉桩力出现高频的周期变化，产生振动压桩的效果。
The main character of the HVS is that, by means of fluctuating oil pressure, the pile-driving force can be changed in a higher frequency, and therefore better vibrating effect can be gained.
本文针对这一实际工程问题在静力压桩机吊机过载机理分析的基础上，通过方案的比较论证，首创性地提出了液压静力压桩机吊机过载保护问题的全液压解决方案。
The problem of crane overload protection of the hydraulic static pile driving machine is originally solved by a full hydraulic project through comparison and demonstration in advance in this paper.
这项研究工作对推动钻孔压浆桩的进一步研究和在工程的应用将发挥很大的作用。
This thesis pushes forward the bored or pressure grouted piles into further research and plays a great part in the application of engineering.
并提出了利用该标准对工程桩作压载试验确定其承载力的有关建议。
Suggestions are made to use the criterion to determine the load capacity of engineering piles by loading test.
钻孔压浆桩与钻孔灌注桩和后压浆技术在施工工艺上不同，其桩土荷载传递性状亦有差异。
The construction process of drilling and fluid compress pile and that of drilling and grouting pile are different, so the load transfer behaviours between pile and soil are also varied.
另外，本次研究对复合地基中螺旋钻孔压灌混凝土桩的设计参数的选取提供了参考和建议。
In addition, some references and Suggestions on choosing design parameters of screw drill press concrete stake in complex foundation have been provided in this research.
以滨海平原地带的综合办公楼基础工程设计为例，通过两个方案的对比分析，选用钻孔压浆桩作为基础形式，并分析了该基础的应用效。
Foundation formed by high pressure bored piles is choosed, and application effect of such foundation is also analysed in the paper.
通过钻孔压浆灌注桩施工工艺的论述，指出了产生质量问题的原因及防治措施。
By discussing executing process of bored grouting pile, the paper points out reasons and preventive measures of quality problems.
对压密灌浆法用于桩底灌浆提高钻孔灌注桩承载力的工艺和机理进行了探讨。
Technology and mechanism of compaction grouting used in bored pile base grouting to enhance the bearing capacity are discussed.
本文作者结合工程实际，论述了钻孔压浆桩的施工方法及技术措施。
Combining practice engineering, author discusses the construction method and the technique measure of peg to drill hole and to press mortar.
本文结合哈尔滨市道里区某高层建筑基础桩工程施工实例，阐述了钻孔压浆桩的施工控制要点。
Combining with the engineering example of base pile construction of high building in Daoli district of Harbin city, this paper states the construction control outline of bored mudjack pile.
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