以工程实践为例，简述复杂岩溶地基处理中小口径钢管桩与固结灌浆技术联合应用的设计、施工工艺及应用效果。
The paper briefly described the design, construction technology and application effect of combined application of small diameter steel tube pile and consolidation grouting with field cases.
此外，根据实际的地基结构，建立了桩间土和下卧层的固结模型并分别进行求解分析。
Furthermore, according to the practical foundation shapes, the consolidation models of the soil between piles and the substratum are built and solved respectively.
研究了黏弹性土中管桩沉桩后的固结问题。
The problem of the soil consolidation after tube-pile driving was studied.
采用有限元方法模拟了基桩负摩阻力随着固结时间的变化。
Change of negative friction in pile with consolidation time is simulated by finite element method.
提出了基于有限层理论的考虑土体固结的单桩-土-承台非线性共同作用分析方法。
The analysis method of single pile-soil-raft nonlinear interaction considering soil consolidation based on the finite layer method is built in the study.
在传统的复合地基固结理论中，等应变条件和桩土流量连续的假设之间存在着不一致的地方。
In the traditional consolidation theories for composite foundation, there is an inconsistency between the equal strain assumption and the assumption of flow continuity at the column-soil interface.
干振碎石桩加固技术是十分有效的地基处理方法，但很少用于处理未完成自重固结过程的新近填土。
Consolidation technology of dry vibro stone piles is a very efficient method for foundation treatment, but it was seldom used in the treatment of newly filled earth.
长板短桩工法利用施工期的预压完成了80%以上的固结沉降，从而实现减小工后沉降的目的。
The DM method improves the bearing capacity of the soft soil; and more than 80% consolidation settlement is finished during the construction period, which effectively reduces the residual settlement.
固结系数决定着桩的极限承载力在初期的发挥，但并不影响桩的最终极限承载力。
The effects of soil friction Angle and coefficient of consolidation on pile ultimate bearing capacity were both analysed.
植入粘性土中的碎石桩是地基中的排水通道，它们具有加快桩周土的固结速度和增大桩周土的抗剪强度的作用。
Stone columns installed in clayey soils function as drainage passages. They effect to hasten the rate of consolidation and enhance the shearing strength of the surrounding soils.
文章研究了考虑边界透水性的散体材料桩复合地基固结问题，给出了相应的解析解。
In this paper, the consolidation problem of soft clay ground improved by granular columns considering boundary permeability is studied and the corresponding analytical solution is developed.
基于固结有限层的考虑提出了土体固结的桩-土-承台非线性共同作用分析方法。
Based on the consolidated finite layer theory, the analysis method of the nonlinear interaction on pile group-soil-raft considering soil consolidation is built in the study.
砂桩加固处理加快了软土层的固结速率，起到了限制侧向变形的作用，减小了软基的侧向位移。
Sand pile reinforcement increases the consolidating speed and confine the lateral deformation and consistently decrease the lateral displacement of soft ground.
结合以往研究实心桩的成果和PC C桩自身的特点，基于太沙基固结理论，探讨了PCC桩负摩阻力作用机理。
Combined with the previous results and the property of PCC pile, based on Terzaghi consolidation theory, mechanism of negative skin friction of PCC pile has been studied.
引入时间参数分析在粘土中沉桩时所引起的超静孔隙水压力，给出了考虑固结效应的超静孔隙水压力的解。
Time is adopted to analyze excess pore water pressure due to driven pile in clay; and a formula is derived.
提出了考虑应力集中效应的散体材料桩复合地基固结数学模型，给出了相应的解析解，并探讨了此类复合地基固结的一般规律。
A new mathematical model for consolidation of composite ground with granular columns considering the stress concentration effects is presented and the analytical solution is obtained according.
基桩负摩阻力是桩基础设计中必须考虑的重要问题之一，但是针对考虑土体固结时间效应的群桩负摩阻力研究却相对较少。
Negative skin friction is one of important problems in design of pile foundation, but the negative skin friction of pile groups considering time effect is less studied.
坑底以下有效桩长相同时，开挖深度越大，开挖后桩周土体超固结比越大，抗拔桩极限承载力也越大。
When the length of the pile under the bottom of the pit is the same, the deeper the excavation is, the larger the ultimate uplift capacity of pile is.
根据此解答对不排水端承桩复合地基固结性状进行了分析。
It was shown that, based on the proposed analytical solution, the rate of consolidation of natural ground was much slower than that of the composite ground.
根据此解答对不排水端承桩复合地基固结性状进行了分析。
It was shown that, based on the proposed analytical solution, the rate of consolidation of natural ground was much slower than that of the composite ground.
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