Penetration speed of sleeve for cast-in-place pile installed in sand by high frequency vibratory hammers using Gudehus-Bauer hypoplastic model

XIAO Yong-jie; CHEN Fu-quan; DONG Yi-zhi

doi:10.16285/j.rsm.2016.2475

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Penetration speed of sleeve for cast-in-place pile installed in sand by high frequency vibratory hammers using Gudehus-Bauer hypoplastic model

更新时间：2026-06-25

- Penetration speed of sleeve for cast-in-place pile installed in sand by high frequency vibratory hammers using Gudehus-Bauer hypoplastic model
- Vol. 39, Issue 8, Pages: 3011-3019(2018)
- 作者机构：
  
  福州大学土木工程学院,福建,福州,350116
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2016.2475
  CLC： TU473
- Online First：02 September 2018，
  
  Published：2018
- 稿件说明：
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XIAO Yong-jie, CHEN Fu-quan, DONG Yi-zhi. Penetration speed of sleeve for cast-in-place pile installed in sand by high frequency vibratory hammers using Gudehus-Bauer hypoplastic model[J]. 2018, 39(8): 3011-3019.
DOI：

XIAO Yong-jie, CHEN Fu-quan, DONG Yi-zhi. Penetration speed of sleeve for cast-in-place pile installed in sand by high frequency vibratory hammers using Gudehus-Bauer hypoplastic model[J]. 2018, 39(8): 3011-3019. DOI： 10.16285/j.rsm.2016.2475.

摘要

随着全套管护壁振动取土灌注桩施工工艺的发展，灌注桩在工程中的应用越来越广泛，但是关于灌注桩护壁套管高频振动贯入速率的研究较少。通过假定套管为刚体，将套管周围土体划分为同心轴的圆环柱体，利用Gudehus-Bauer亚塑性本构模型计算套管外侧各土体单元接触面间的剪应力和套管端部土体竖向应力，并考虑套管振动贯入过程中土塞效应，建立灌注桩套管高频振动贯入砂土中贯入速率的计算模型。将所提出的贯入速率计算结果和物理模型试验结果与有限元结果进行对比分析，验证了计算模型的合理性。通过参数分析，得到地基土体孔隙比、振动频率和套管直径对贯入速率的影响规律，为实际工程中快速、准确地预测套管振动贯入速率提供了可靠方法。

Abstract

With the development of the construction technique of pile sleeves driven by high frequency vibratory hammers

the cast-in-place piles have been widely used in construction engineering. However

the studies on the penetration speed of sleeves for cast-in-place piles driven by high frequency vibratory hammers are still not complete. Assuming rigid body for the sleeve

the soils around the sleeve were divided into several concentric circular cylinders. Considering the soil plugging effect during vibratory sleeve driving

the shear between the soil elements outside the sleeve and the vertical stress at the sleeve bottom were calculated by using the Gudehus-Bauer hypoplasticity constitutive model. The penetration speed was obtained by modelling of the high-frequency vibratory driving of the cast-in-place pile sleeve into sand. To validate the calculation model

the penetration speed obtained by the calculation model was compared with those by the experiment and the finite element simulation. The influence of the void ratio of foundation soil

the vibration frequency and sleeve diameter on the penetration speed of sleeve is analyzed through parametric analysis. The calculation model provides a reliable way for practical engineering to quickly and accurately predict the penetration speed of sleeve.

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Related Author

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Related Institution

State Key Laboratory of Structural Analysis of Industrial Equipments, Dalian University of Technology

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