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望京A1-C-#4地基坑工程锚杆拉力监测研究

张钦喜, 刘新

张钦喜, 刘新. 望京A1-C-#4地基坑工程锚杆拉力监测研究[J]. 岩土工程学报, 2014, 36(zk2): 466-470. DOI: 10.11779/CJGE2014S2081
引用本文: 张钦喜, 刘新. 望京A1-C-#4地基坑工程锚杆拉力监测研究[J]. 岩土工程学报, 2014, 36(zk2): 466-470. DOI: 10.11779/CJGE2014S2081
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ZHANG Qin-xi, LIU Xin. Monitoring study on anchor tension of deep excavation engineering of Wangjing A1-C-4 Project[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 466-470. DOI: 10.11779/CJGE2014S2081
Citation: ZHANG Qin-xi, LIU Xin. Monitoring study on anchor tension of deep excavation engineering of Wangjing A1-C-4 Project[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 466-470. DOI: 10.11779/CJGE2014S2081
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望京A1-C-#4地基坑工程锚杆拉力监测研究  English Version

  • 北京工业大学建筑工程学院,北京 100124

基金项目: 国家自然科学基金项目（50678003）
详细信息
    作者简介:

    张钦喜（1964- ）,男,博士,教授级高级工程师,硕士生导师,主要从事地基基础及地下工程等方面的教学与研究工作。E-mail: qinxizhang@126.com。

Monitoring study on anchor tension of deep excavation engineering of Wangjing A1-C-4 Project

  • College of Architecture And Civil Engineering, Beijing University of Technology, Beijing 100124, China

摘要

    摘要
  • 摘要: 在北京地区深基坑工程是比较常见的,目前深基坑工程相关的监测和理论研究不太成熟。通过对望京A1区C组团#4地项目基坑支护工程中锚杆拉力的监测研究可知：本工程极具特点,两排锚杆的拉力变化趋势截然相反,在一定程度上反映出现行规范的不尽详细之处,也反映了基坑工程较强的地域特点;工程中应加入桩身位移监测,即保证工程安全,又提供详细数据进行设计优化和减少少造价、工期;建议今后有新进场施工的张拉机具时,先采用锚杆轴力计对其锁定时的预应力损失进行量化,并以此为依据适当优化施工参数;由此可知目前的基坑工程存在很大的优化空间。研究结论也可为类似工程设计提供参考和依据。
    Abstract: Deep-excavated foundation engineering is common in Beijing area, while the related monitoring and theoretical researches are not quite sound. Through the monitoring and researches on pulling force of bolts in the supporting project of foundation pit at Land No. 4 Group C, Wangjing A1 District, it is deducible that the project is quite distinctive as the change tendency of pulling force of the two lines of bolts are opposite. It is reflected by the incompleteness of the current regulations and the strong geographical characteristics of excavation projects. The displacement monitoring of piles should be introduced into the project so to ensure its safety and to provide detailed data for its design optimization and cost reduction. It’s recommended that when the pulling machines in construction are available, axial force meters of bolts should be used firstly to quantify the pre-stressing loss locked so as to optimize the construction parameters properly in accordance. Therefore, it follows that there exists vast room for the optimization for the current excavated foundation engineering. The research results may provide reference and foundation for similar engineering design.
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    • 参考文献(10)
  • [1] 张钦喜, 佟德凯, 熊宗喜, 等. 亚奥广场护坡桩内力及锚杆拉力测试与分析[J]. 北京工业大学学报, 2006, 32(增刊2): 110-114. (ZHANG Qin-xi, TONG De-kai, XIONG Zong-xi, et al. Measurement and analysis of the stress in retaining pile and the force of anchor at a deep excavation of Yaao Building[J]. Journal of Beijing University of Technology, 2006, 32(S2): 110-114. (in Chinese))
    [2] 陆培毅, 顾晓鲁, 钱 征. 天津港务局综合业务深基坑支护与监测[J]. 岩土工程学报, 1999, 21(3): 323-327. (LU Pei-yi, GU Xiao-lu, QIAN Zheng. Design and monitoring of deep foundation pit in Tianjin port office multiple building[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(3): 323-327. (in Chinese))
    [3] 郝文朝, 高华东. 北京城铁东直门车站土压力现场监测[J]. 建筑技术, 2003, 34(2): 113-114. (HAO Wen-chao, GAO Hua-dong. In-situ measurements of earth pressure on retaining structure at Dongzhimen Subway Station in Beijing[J]. Construction Technology, 2003, 34(2): 113-114. (in Chinese))
    [4] 张明聚, 郭忠贤. 土钉支护工作性能的现场测试研究[J]. 岩土工程学报, 2001, 23(3): 319-323. (ZHANG Ming-ju, GUO Zhong-xian. In-situ measurement and test study on the working behavior ofsoil-nailing wall[J]. Chinese Journal of Geotechnical Engineering, 2001, 23(3): 319-323. (in Chinese))
    [5] 杨耀辉, 马 昕, 周予启. 中国石油大厦复合土钉支护现场监测与分析[J]. 岩土工程技术, 2006, 20(1): 9-12. (YANG Yao-hui, MA Xin, ZHOU Yu-qi. Field measurements and theoretical analysis of internal force of composite soil-nailing at Zhongshiyou foundation pit[J]. Geotechnical Engineering Technique, 2006, 20(1): 9-12. (in Chinese))
    [6] 张钦喜, 陈 鹏, 尹文彪. 国贸中心三期基坑支护工程监测研究[J]. 岩石力学与工程学报, 2012, 31(11): 2319-2326. (ZHANG Qin-xi, CHEN Peng, YING Wen-biao. Monitoring and study for support engineering of deep excavation of China World Trade Center Tower phrase 3[J]. Chinese Journal of Rock Mechanics and Engineering, 2012, 31(11): 2319-2326. (in Chinese))
    [7] 张钦喜, 梁德周, 许 超. 桩锚支护结构在回填土地区的应用[J]. 岩土工程学报, 2012, 34(增刊): 358-363. (ZHANG Qin-xi, LIANG De-zhou, XU Chao. Application of pile-anchor system in backfilling areas[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(S0): 358-363. (in Chinese))
    [8] JGJ120—2012 建筑基坑支护技术规程[S]. 北京: 中国建筑工业出版社, 1999. (JGJ120—2012 Technical specification for retaining and protection of building foundation excavations[S]. Beijing: China Architecture and Building Press, 1999.(in Chinese))
    [9] 潘旭亮, 张钦喜, 杜修力, 等. 桩锚支护结构内力和变形试验分析[J]. 岩土工程学报, 2012, 34(增刊): 277-281. (PAN Xu-liang, ZHANG Qin-xi, DU Xiu-li, et al. Experimental study on internal force and deformation of anchored bracing piles[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(S0): 277-281. (in Chinese))
    [10] 张丽丽, 张钦喜, 马庆迅. 桩锚—土钉组合支护中土钉受力规律[J]. 北京工业大学学报, 2011, 37(9): 1338-1342. (ZHANG Li-li, ZHANG Qin-xi, MA Qing-xu. Soil nail’s axis force of pile-anchor composite soil nailed wall[J]. Journal of Beijing University of Technology, 2011, 37(9): 1338-1342. (in Chinese))
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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