沉管灌注筒桩的承载特性浅析

沉管灌注筒桩的承载特性浅析 English Version

浙江大学宁波理工学院；浙江大学岩土工程研究所；杭州和立桩基技术研究应用有限公司；杭州和立桩基技术研究应用有限公司浙江宁波　315100浙江大学岩土工程研究所浙江杭州　310027；浙江杭州　310027杭州湾大桥工程指挥部浙江宁波　315010；浙江杭州310012；

1.Ningbo Institute of Technology Zhejiang University Ningbo 315100 China 2.Institute of Geotechnical Engineering Zhejiang University Hangzhou 310027 China 3.Hangzhou Heli Pile Foundation Technology Research Application Co.LTD. Hangzhou 310012 China 4.Engineering Construction Headquarters of Hangzhou Bay Bridge Ningbo 315010 China

摘要: 介绍了沉管灌注筒桩的成桩设备、施工工艺和承载力计算公式。通过两个场地12组试桩的静载荷试验,对其承载特性进行了分析和研究。工程应用表明,沉管灌注筒桩具有无污染、对周围环境影响小、承载力大、质量可靠和工程造价低等优点,具有应用推广价值。
- 沉管灌注筒桩 /
- 承载特性 /
- 静载荷试验
Abstract: This paper introduces a new type of driventube castinplace pile.Its construction equipment,construction process and bearing capacity were studied.The loadbearing characteristics of driventube castinplace pile has been analyzed based on insitu load test of twelve test piles on two sites.Analysis shows that the driventube castinplace piles is possessed of several advantages:no slurry contamination,no impact on surrounding environment,high bearing capacity,high efficiency,reliable quality and low cost,etc.So this pile style has great practical value and bright market prospect.
- driven-tube cast-in-place pile /
- load-bearing characteristics /
- in-situ load test