It is alsodifficult to build reliable relationship between test results and actual bearing capacityof single pile by indirect methods such as Dynamic Method, Standard PenetrationTest and Osterberg Method because of differences between load bearing mechanismsin reality and ones of those methods.
动测法、标准贯入度法、Osterberg测桩法等间接方法由于与单桩实际受力机理的差异，很难在试验成果与单桩实际承载力指标间建立可靠的联系。
The pile foundation is one of the ideal foundations which is used widely in cities currently. With the huge bearing capacity, it can resist the complex loads, minish the settlement of the foundation and the superstructure, as well as stand against the additional stress and deformation caused by the traffic movable load and circulating load.
桩基础是目前城市中广泛使用的理想基础形式，它有着巨大的承载潜力，能抵抗复杂荷载，减小基础的沉降和上部结构的不均匀沉降，同时能够抵抗在长期的车辆动载和循环荷载作用下所产生的附加应力和变形。
Directed against the problem on confirming vertical bearing capacity of large diameter cast-in-place pile in the west of coteau area of Yunnan province, the paper, analyses the influence degree of the variety of soil physics and mechanics property in area geology condition on bearing capacity of pile foundation, through 5 piles'loading test; the influence degree of construction technics on bearing capacity of pile foundation under the influence of every exterior factors; the influence degree of grouting injection around the pile shaft on bearing capacity of pile foundation.
本文针对滇西山区大直径灌注桩竖向承载力确定存在的问题，进行了5根试桩的静载荷试验，分析了区域地质条件下土的物理、力学性质的变化对桥梁桩基承载力的影响程度；地下水对桩承载力的影响程度；各种外部因素影响下，桩的施工工艺对桩承载力的影响程度；通过在桩体周围土中注浆对桩承载力的影响程度。
The construction of the bearing platform of the pile foundation is completed successfully.
通过应用此技术顺利完成该桥桩基础承台的施工，说明该设计及施工工艺是正确可行的。
The bearing capacity of pile group in the center only accounts for fifteen percent to the round. Luckily the bearing capacity of pile group meets the need of the project.
结果表明，群桩效应对苏通大桥桩基础的承载力有重要影响，导致群桩基础中基桩的承载力存在较大差异，承台中心部位基桩的承载力仅为周边桩承载力的15%，但群桩基础的承载力仍然满足工程要求。
Acting as the major component for construction of pile caps in deep water, the rational design of the cofferdam has a direct bearing to the construction quality of whole bridge.
钢吊箱作为深水承台施工的主要构件，其设计的合理与否关系到整个桥梁的施工质量。
Two specimens were tested in low-cycle reverse loads to investigate the moment bearing capacity and ductility performance for both filled pile and unfilled one.
通过对两组试件在低调反复荷载作用下的试验，研究填芯桩与非填芯桩的抗弯性能和延性特征。
3D elastoplastic finite element analysis of bearing capacity behaviour of interaction of raft-pile and soil.
筏板－桩－土相互作用的三维弹塑性有限元分析。
In construction of the main pier of Songhua River super large bridge channel in Lanqi, the bored pile with 2 m in diameter by 50 m long is used as base for self-balancing testing the bearing capacity of pile foundation.
在兰旗松花江特大桥航道主墩工程中，采用直径2m、长50m的钻孔灌注桩为基础，对桩基承载力进行了自平衡测试。
If bearing stratum are coarse soils, such as sand especially gravel and weathered rock etc, the failure pattern is compress mechanism, not as the sheafing mechanism of a the common cast-in-situ bored pile. In the meantime, the strength of pile material may govern the beating capacity of cast-in-situ bored piles with grouted toe.
文中对不同桩底持力层桩底灌浆桩的破坏模式进行了讨论，认为当桩底持力层为细砂层、中砂层尤其是砾卵石、强风化岩时，其破坏模式为桩底土的压缩破坏，同时桩身材料强度也可能成为桩的竖向承载力的控制因素。
Screw pile; steel pipe pile; ultimate bearing capacity; foundation design; construction
螺旋桩；钢管桩；极限承载力；基础设计；施工
Find through the analysis of this thesis: The result of considering pile cap with elastic joint panels、the result of calculation of Ansys finite element about wide bearing and the result of the test are identical. To the wide bearing structure, The computing technology of the finite element of Ansys and considering pile cap with elastic joint panels is desirable.
通过分析表明：考虑桩帽处节点域弹性和宽支座梁的Ansys有限元计算结果与试验结果较为吻合，对于大桩帽码头结构的宽支座梁问题Ansys有限元及考虑桩帽处节点域弹性的计算结果是值得借鉴的。
The test shows that Plain Concrete Pile Composite Foundation has good characters of bearing capacity and settlement.
试验表明素混凝土桩复合地基具有良好的承载特性和变形特性。
The 20 kinds of quality too: cast in place concrete slab cracks, non-bearing body cracks, wall surfaces, leakage, roofing leaks, not by the use of safety, protective railings and handrails installed non-compliant, accessible facilities installed improperly, external food warming surface shape, windows leak, templates joints, Camo inconsistent with the provisions of steel buildings, protection layer control properly, concrete construction jobs, thickness inconsistent with the provisions of pile construction is inconsistent with the facilities and standards, indoor 2, 274 and geometry control deviation, not hot radiator pipe leakage, ventilation and air-conditioning design of wind capacity less than design requirements.
这20种质量通病为：现浇混凝土楼板裂缝，非承重墙体裂缝，外墙开裂、渗漏，屋面渗漏，不按规定使用安全玻璃，防护栏杆、扶手设置不符合要求，无障碍设施设置不当，外墙保温面层开裂，门窗渗漏，模板接缝、拆模不符合规定，钢筋间距、保护层控制不当，混凝土施工缝、板厚不符合规定，灌注桩施工不符合设施和规范要求，室内标高和几何尺寸控制偏差，散热器不热，管道渗漏，通风、空调风量设计达不到设计要求等。
Based on an analysis on the lithologic character of gate site strata, high pressure gunite technique is adopted for the construction of pile foundation with large diameter, so as to improve the foundation bearing capacity of quay wall sand foundation at both sides of tide gates.
介绍了大风江调水工程中的东场挡潮闸工程的基础及工程地质情况，分析了闸址地层岩性，提出了采用高压喷射灌浆技术形成较大直径桩基，提高挡潮闸两岸岸墙砂基础的地基承载力，并详细论述了高喷桩的设计、施工和质量控制。
A simplified layered model is put forward on the basis of the single layer elastic bearing model. By using the same method, analytical solutions in frequency domain hence semi-analytical solutions in time domain representing the dynamic responses at pile head are obtained.
基于土层层问相互作用，提出了饱和成层土中任意变阻抗桩的纵向振动问题简化层间模型，利用单层土中提出的解析方法，基于这一简化层间模型，求得饱和成层土中任意段变阻抗桩的桩顶频域解析解和时域响应半解析解，并论证了模型的合理性。
By using the same solving methods employed in single layer saturated soil and through the recursion of the impedance function, the analytical and semi-analytical solutions for the dynamic response of the pile top are derived in the frequency and time domain, respectively. Moreover, the accuracy and feasibility of the simplified model is verified by comparing with the single layer rigorous solution.4. The dynamic response of an elastic bearing pile embedded in radially inhomogeneous saturated soil and subjected to harmonic torsional loading is investigated by using the radially inhomogeneous soil model theory.
研究了成层饱和土体中受谐和扭转荷载作用的任意段变阻抗桩的动力响应问题，提出了土层层间相互作用简化模型，利用单层土中给出的求解方法，通过阻抗函数的递推得到了成层饱和土中任意段变阻抗桩桩顶频域响应的解析解和半正弦脉冲激振扭矩作用下桩顶速度时域响应的半解析解，并通过与单层严格解的对比论证了该简化模型的精确性和适用性。4。
Based on the results of statical load test of pile and the plate loading test of deep layer, the paper has analysed the tip resistace of an artificial digging hole pile taking gravel sand layer as bearing bed and discussed potentialities of its ground and then the eigenvalue of pile tip resistance is put forward.
根据桩静载荷试验、深层平板载荷试验结果，对以砂卵石层为桩端持力层的人工挖孔桩桩端阻力进行了分析，并探讨了其地基潜力，同时提出了桩端阻力特征值的取
In addition, the paper introduces the seismic design of open top floor, the design of steel cover, the test of static bearing capacity of pile and the test of wind tunnel experiment.
此外，本文还介绍了空旷顶层的抗震设计：钢结构屋盖的结构设计；介绍了桩基静载试验和风洞试验的概况及其试验成果。
For the dado of the cast in pile pile with man made hole, a reliability model is set up based on the analysis of its bearing capacity; and a reliability design is carried out on the dado in the light of engineering example.
通过对人工挖孔桩护壁承受外界作用的分析，建立孔桩护壁的可靠度模型。结合工程实例，对孔桩护壁进行了可靠度设计，为目前孔桩护壁的设计提出一个合理的方法