| 深基坑支护中预应力锚杆与土钉的比较分析 |
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| 引用本文： | 郑卫锋,许卫平,冯自霞.深基坑支护中预应力锚杆与土钉的比较分析[J].工业建筑,2011(Z1):516-519. |
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| 作者姓名： | 郑卫锋 许卫平 冯自霞 |
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| 作者单位： | 中国电力科学研究院;焦作市广播电影电视局; |
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| 摘 要： | 预应力锚杆支护与土钉支护是目前基坑工程中经常采用的两种不同型式的支护技术。探讨了预应力锚杆、土钉在深基坑支护工程中的特点,分析各自的力学作用机理,得到了两种不同支护型式在工程中的应用条件。结合某工程实例,通过有限差分拉格朗日数值计算方法,进一步验证了预应力锚杆由于强大预应力的作用,能更有效地控制基坑变形,特别适用于位移控制要求严格的深基坑支护。
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| 关 键 词： | 深基坑 预应力锚杆 土钉 FLAC |
COMPARISON AND ANALYSIS OF PRESTRESSED ANCHOR AND SOIL NAILS FOR DEEP FOUNDATION PIT SUPPORTING TECHNOLOGY |
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| Zheng Weifeng Xu Weiping Feng Zixia.COMPARISON AND ANALYSIS OF PRESTRESSED ANCHOR AND SOIL NAILS FOR DEEP FOUNDATION PIT SUPPORTING TECHNOLOGY[J].Industrial Construction,2011(Z1):516-519. |
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| Authors: | Zheng Weifeng Xu Weiping Feng Zixia |
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| Affiliation: | Zheng Weifeng1 Xu Weiping2 Feng Zixia1(1.China Electric Power Research Institute,Beijing 100055,China,2.Jiaozuo Municipal Bureau of Radio,Film and Television,Jiaozuo 454000,China) |
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| Abstract: | The prestressed anchor supporting technology and the soil nails supporting technology are commonly adopted in the projects of deep foundation pits.The characteristics of prestressed anchor and soil nails are explored.And the respective mechanical mechanisms are analyzed.At last the different applications in deep foundation engineering are concluded.Based on the Fast Lagrangian Analysis Method,combined with an engineering example,the two supporting technologies are analyzed.The advantages of prestressed anch... |
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| Keywords: | deep foundation pit prestressed anchors soil nails FLAC |
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