Axial pull-out test of core concrete of prestressed concrete pipe piles and analysis of stress at the pile end;
填芯混凝土轴拔试验及桩端应力分析
The paper introduced the design and construction of pile end bearing layer strengthening for assuring the engineering quality.
由于前期地质钻探比较简单,致使桩端持力层位于岩溶(溶蚀、溶槽及溶洞等)不良地层,发现后桩基已施工完成,因此采取补强加固措施,以确保工程的质量安全。
The bearing capacity of super-long and large-diameter bored pile tip is influenced by the facts including construction process,depth effect,size effect and so on.
阐述了超长大直径钻孔灌注桩桩端承载力的影响因素,包括施工工艺、深度效应和尺寸效应等。
The analysis of pile tip settlement measuring and the data of pile testing,has ex-pressed that the stress-strain process of upper loads on pile shaft and foundation soil has elastic deformation characteristics of both pile and foundation soil.
桩端沉降测量和试桩资料的分析结果表明,桩在传递上部荷载与地基土之间产生的应力应变过程,表现为桩的弹性杆件和地基土的弹—塑性变形特征。
Research on torsional dynamic impedance of end-bearing pile in layered soils;
层状地基端承桩扭转动力阻抗研究
Application of super short end-bearing pile on the soft foundation in old pit;
超短端承桩在故坑塘软弱地基上的应用
In order to proof bearing capacity of single pile and find out friction resistance around pile and pile base resistance,the load transfer and resistance analysis test of end-bearing pile are taken by using the load and strain test of drilling hole perfusion end-bearing pile and the cyclic loading method.
为了验证单桩承载能力,了解桩周和桩端阻力,采用钻孔灌注端承桩进行荷载和应变测试,并采用循环荷载方法,进行了端承桩荷载传递与阻力分析试验。
5 m thick soil filling can make negative skin friction most be developed,and the bearing capacity of frictional pile as well as end-bearing pile under negative sk.
5的填土高度能导致负摩阻力较充分地发挥,承载负摩阻力的端承型桩与摩擦型桩一样,承载力需综合沉降确定。
An academic study on the bearing capacity of end-bearing piles is carried out in the paper.
对端承型桩的桩土作用机理进行了进一步分析探讨,建立了复杂介质中端承型桩的地基-基础模型,将“广义弹性理论法”和“镜象法”相结合,既考虑了分层介质中桩土体系的复杂性,又充分兼顾了桩端持力层的存在使桩身穿越层土位移减少的事实,为桩基础设计计算提供了有力的理论依据。
Research on Construction Technique and Working Mechanism of Bored Pile by Base Post-Grouting;
钻孔灌注桩桩桩端后压浆工艺与机理研究
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
The Analysis of Pile Testing Results by Means of Pile Tip Settlement Measuring Method
桩端沉降测量对试桩成果分析的意义
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
Technical Analysis of PHC Pipe Pile with Self-Guide Hole Static Pressure at Pile Tip
桩端自引孔静压PHC管桩的技术分析
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
TECHNOLOGY OF PRESSURE GROUTING UNDER PILE TIP AT COBBLE LAYER
桩端压力灌浆工艺在卵石层灌注桩中的应用
Research and Application on Holding Type PHC Tube Pile with Tip Entering into Rock by Augering Technique;
抱压式桩端自引孔静压入岩PHC管桩研究与应用
The Technique of Pressure Grouting under Piles Tip and Applying to Cast-in-Situ Piles in Gravel;
卵石层中的灌注桩桩端压力灌浆技术及应用
Fuzzy Reliability Analysis of Stability of Karst Roof under Pile Tip
基桩桩端岩溶顶板稳定性模糊可靠性分析
Experimental research on pile-base post-grouting piles of qiputang bridge
桩端后压浆在七浦塘大桥桩基中的试验研究
Construction Practice of Bored Cast-in-place Pile Post Grouting in Hangzhou
杭州滨江区钻孔灌注桩桩端后压浆施工实践
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
The Use of Post-grouting Technique at the Tip of Bored Cast-in-situ Pile
钻孔灌注桩桩端后注浆施工技术的应用
After the Pile Karst Geological Conditions Pile Bearing Stratum Bedrock Cave Processing
成桩后喀斯特地质桩端持力层基岩溶洞的处理
Application study of in pile by base post grouting super-long and lame-diameter bored piles
桩端后压浆在超长大钻孔灌注桩中的应用研究
Application of the Base Grouting Technique to Bored Pile Foundations
桩端压浆技术在钻孔灌注桩基施工中的应用