Results of analyses indicate that for the different base strata, the scales of tip resistance and.
结果表明:桩底地层不同时,桩端阻力和桩侧阻力的比例不同,但承载性状仍属摩擦型桩;桩顶极限荷载不同,但桩身失稳时的极限沉降基本相同;桩端阻力的发挥程度不同,但桩基失稳的原因都是桩侧土体的破坏。
On the basis of Hoek-Brown strength criterion and the limit equilibrium method,a method calculating the tip resistance of socketed piles is put forward.
考虑了岩体结构面、岩块单轴抗压强度、应力状态的影响 ,引入了 Hoek- Brown岩体经验强度准则 ,利用极限平衡原理 ,推导了嵌岩桩桩端阻力的计算公式 ;并分析了桩端阻力与桩长、嵌岩深度的关系。
According to the results of six in-situ pile load tests of boring cast-in-situ piles after grouting at the piles tips and the tress distributions of three of those piles,theirQ-scurves,tress transferring of piles,pile side frictions and pile tip resistances affected by grouting,were analyzed in details.
依据某工程6根支于砾卵石层且经桩端后注浆的冲孔灌注桩单桩竖向抗压静载试验及其中3根试验桩桩身受力测试结果,对其Q-s曲线的特性、桩身轴力传递机理、桩侧阻力和桩端阻力发挥性状进行分析,揭示了注浆后冲孔灌注桩的承载性状及桩侧、桩端阻力的发挥性状,对冲孔灌注桩的设计和深入研究提供参考。
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
By static loading test and field test of loading transmission the influence of slime at pile botton to ultimate bearing capacity, pile tip resistance, side friction of pile are analyzed and effective measures are also proposed.
本文通过对超长大直径钻孔灌柱桩静载试验及荷载传递性状的现场测试 ,分析了桩底沉渣对单桩极限承载力及桩端阻力、桩侧摩阻力的影响机理 ,并提出了减少沉渣影响的有效措
The article more systematically studies the analysis model of the pile end resistance with the penetrating-into deforming development.
该文较为系统地研究了桩端阻力随刺入变形发展的分析模型。
Mobilization of toe resistance of piles with local displacement in sand;
砂土中桩端阻力随位移发挥的内在机理研究
These factors,which include slurry s 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、净化等因素的好坏直接影响到钻进速度和成孔质量、桩侧摩阻力及桩端阻力的发挥。
Based on the test data of one long and large socketed pile before and after pile-base grouting,the influence on exertion of side resistance and end resistance was comparatively analyzed.
根据1根长大嵌岩桩桩底压浆前后的试验数据,对比分析了桩底压浆对嵌岩桩桩端阻力和桩侧摩阻力发挥特性的影响。
The discussion on shaft resistance and tip resistance of pile assayed through static load test
论通过静载荷试验测定桩侧摩阻力及桩端阻力
Analysis and calculation of additional stress in foundation soil due to tip resistance of Y-shaped vibro-pile
Y型桩桩端阻力产生附加应力的分析计算
Discussion on Values of Bearing Capacity and Pile Tip Resistance of Foundation in Moderately Weathered Soft Rock
中风化软质岩石地基承载力及桩端阻力的取值探讨
Rock strength characteristics and research on rock-socketed pile-tip ultimate resistance
岩石强度特性与嵌岩桩桩端极限阻力
Strengthening effect of total pile lateral friction by improving rock or soil strength at pile tip
桩端岩土强度提高对超长桩桩身总侧阻力的强化效应研究
Experiment Study and Theoretical Analysis on the Influence for the Rigidity of the Soil underneath a Pile to the Pile Shaft Resistance
桩端土刚度对桩侧阻力影响的试验研究及理论分析
INFLUENCE OF PILE BOTTOM SLIME ON SKIN FRICTION AND BEARING CAPACITY ESTIMATION TO PILE
桩底沉渣对桩侧摩阻力影响及桩承载力的估算
Research on Relationship between Shaft Resistance of Rock-Socketed Pile and Behavior of Around Rock;
嵌岩桩桩侧阻力与岩土参数关系研究
Theoretical Research of the Pile s Negative Friction along Pile s Depth;
桩基负摩阻力沿桩身变化的理论研究
Research on Side Resistance of Cast-in-place Piles in Field Test
地表试验条件下灌注桩桩侧阻力分析
Comparison of several calculation methods of static pressure pile sinking resistance pressure
几种计算静压桩沉桩阻力方法的比较
The effect of repeated static load test on pile friction-resistance and end-friction
重复静载荷试验对桩侧阻和端阻的影响
The Dynamical Examination and Judgement of Perfusion Stake Base with Jamming Slurry on Stake End;
桩端后压浆灌注桩桩基动力的检测与评定
Study on Mechanism and Resistance in the Process of Driving Pretest Piles;
预压托换桩的压桩机理与压桩阻力研究
Study of Sinking-resistance and Compaction Effect of Static-press Pile;
静压桩施工沉桩阻力及沉桩挤土效应研究
TECHNIQUE OF POST GROUTING PILE(7) --FACTORS AFFECTING THE VERTICAL COMPRESSIVE BEARING CAPACITY OF PILES BY TIP AND SKIN GROUTING
后注浆桩技术(7)——影响桩端桩侧联合注浆桩竖向抗压承载力的因素
DRAG AND LIFT FORCES ON SQUARE ARRAYS OF PILE GROUPS IN SUBCRITICAL FLOW
亚临界流对于方阵群桩的阻力及升力
RESEARCH ON INFLUENCE FACTORS OF SIDE SOIL RESISTANCE OF PHC PIPE PILE
预应力管桩侧摩阻力影响因素的研究