高层建筑桩基施工对邻近建筑物的影响

doi:10.6040/j.issn.1672-3961.0.2016.195

山东大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (1): 48-58.doi: 10.6040/j.issn.1672-3961.0.2016.195

高层建筑桩基施工对邻近建筑物的影响

吕国仁¹,张群¹,牛奔¹,高全亭²,武照收¹

1. 山东建筑大学交通工程学院, 山东济南 250101;2. 山东高速集团有限公司, 山东济南 250002

收稿日期:2016-06-06 出版日期:2017-02-20 发布日期:2016-06-06
作者简介:吕国仁(1965— ),男,山东烟台人,教授,博士,主要研究方向为公路工程与隧道工程.E-mail:luguoren65@163.com
基金资助:
山东建筑大学科研基金资助项目(010171105)

The effects of pile foundation of high-rise building on adjacent structures

LYU Guoren¹, ZHANG Qun¹, NIU Ben¹, GAO Quanting², WU Zhaoshou¹

1. School of Traffic Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, China;
2. Shandong Hi-speed Group Co.LTD, Jinan 250002, Shandong, China

Received:2016-06-06 Online:2017-02-20 Published:2016-06-06

摘要/Abstract

摘要： 为研究高层建筑桩基施工及后期沉降对其相邻建筑物产生的影响,根据现有研究理论建立简化的群桩周围土体位移场的计算公式,并依托工程实例通过简化计算公式计算出古建筑物的沉降值,并与工程实测值进行对比,分析高层建筑桩基对邻近建筑物的影响,同时还验证计算公式的正确性。根据工程实例进行有限元数值模拟分析高层建筑桩基在有筏板和无筏板时桩径相同、不同桩长时的沉降对邻近建筑物的影响程度。通过模拟结果与实测值进行对比分析数值模拟的可行性及正确性。所得结论为济南国际世茂广场顺利施工提供了可靠依据,对具有类似地质地形的情况提供了技术参考。

关键词: 高层建筑, 桩基, 施工监测, 沉降分析, 有限元数值模拟

Abstract: In order to study the influence of pile foundation of high-rise buildings on surrounding buildings, a simplified calculation formula for the displacement field calculation of surrounding soil mass of pile foundation was put forth based on existing research theories. The settlement values of a practical ancient building were calculated through the simplified calculation formula to analyze the influence of pile foundation of high-rise building on adjacent structures. The feasibility of the formula was verified by comparing the calculation results of settlement with the practical monitoring results. According to the engineering example, FEM numerical simulation of the incidence of raft and pile length to surrounding buildings was performed. The feasibility and correctness of numerical simulation were also verified by comparing the simulation results to the measured values. The research results provided a reliable basis for the construction of Jinan Shimao Plaza, which could give technical reference for similar geological conditions.

Key words: construction monitoring, settlement analysis, finite element modeling numerical simulation, high-rise buildings, pile foundation

中图分类号:

U451.2

吕国仁,张群,牛奔,高全亭,武照收. 高层建筑桩基施工对邻近建筑物的影响[J]. 山东大学学报(工学版), 2017, 47(1): 48-58.

LYU Guoren, ZHANG Qun, NIU Ben, GAO Quanting, WU Zhaoshou. The effects of pile foundation of high-rise building on adjacent structures[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2017, 47(1): 48-58.

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高层建筑桩基施工对邻近建筑物的影响

The effects of pile foundation of high-rise building on adjacent structures

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