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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。

Adopting different lengths of piles with the mattress breaker strip on each can make rational use of the effective working lengths of piles and give full play to the positive functions of interpile soil.

采用不同的桩长，在其上设置褥垫层，能合理利用桩的有效工作长度，充分发挥桩间土的积极作用。

In this paper, the history and the current situation of studies on piles in calcareous sands are systematically summarized, and the reason for low bearing capacity of piles in calcareous soil s is analysed.

系统综述了钙质砂中桩基工程研究的历史和现状，分析了钙质砂的低桩基承载力的原因，提出今后重点研究方向。

The paper introduces the concept、characteristic and construction machine of root piles ,also it introduces the technical process and quality control methods of root piles .

树根桩是一种应用较少的桩型，文章结合工程的应用，介绍树根桩的概念、特点及施工机械，以及树根桩的施工工艺、质量控制要点等。

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。

The formula for effect coefficient of piles group were solved gradually under different shape of laying-out piles according to principle of additional stress superposition.

根据附加应力叠加原理，逐步推导得到不同布桩形式的群桩效应系数计算公式。

The achievement that soil ultimate bear capacity heightened under pile caps due to barrier effect of piles gained from model test, and soil move around piles acquired from numerical simulation, its not only verified hypothesis of composite pile foundation nonlinear design theory, but have important reference value to the study of design theory and design method of composite pile foundation, which help to go deep into study of promote pile-soil-pile caps nonlinear interaction theory and composite pile foundation nonlinear design theory.

由模型试验得到的桩的遮拦作用对承台下土体极限承载力提高和数值模拟得到的土体绕桩流动等成果，不仅验证了

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。

Finally, with this modeling and calculating method, influencing factors such as rate of piles length and diameter, the depth of rock-socketed, intensity of soils around piles, intensity of rock, intensity of pile, flaccidity layers and the depth of sediment at the end of pile were studied in detail.

最后，以这一方法为基础，对影响嵌岩灌注桩承载性状的长径比、嵌岩深度、桩周土强度、基岩强度、桩体强度、软弱夹层、以及沉渣等因素进行了详细地研究。

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。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新