预应力锚索抗滑桩设计方法优化研究
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摘要
根据预应力锚索抗滑桩的结构受力特点,运用弹性地基梁法,抗滑桩与锚索的变形协调原理建立方程组。编写大量计算程序,快速计算出锚索拉力、桩身内力及位移。将计算结果与常用的设计计算方法进行比对,优化后的计算方法为工程建设节省了大量投资。自编的计算程序有利于推动此类方案的设计由粗放型向精细化、由单靠经验向更为科学的方向不断发展。该方法直观、方便、快捷且适用,有效控制投资,可为同类工程设计提供有益参考。
According to the structure stress characteristics of anti-sliding with prestressed anchoring cable,Using the method of elastic foundation beam,equations were established basing on Anti-slide pile and anchor the principle of deformation coordination.A lot of calculation program was writed,which can quickly calculate anchor tension、the internal force and displacement of pile.By comparison the calculating results with the outcome of the common design calculation method,the optimal design method saved a lot of investment for project construction.Tthe calculation program is conducive that the design of this kind of scheme is driven by extensive model to intensive,from experience alone to a more scientific direction.This method is intuitive,convenient,fast and applicable,control the investment effectively,provide a useful reference for similar engineering design.
According to the structure stress characteristics of anti-sliding with prestressed anchoring cable,Using the method of elastic foundation beam,equations were established basing on Anti-slide pile and anchor the principle of deformation coordination.A lot of calculation program was writed,which can quickly calculate anchor tension、the internal force and displacement of pile.By comparison the calculating results with the outcome of the common design calculation method,the optimal design method saved a lot of investment for project construction.Tthe calculation program is conducive that the design of this kind of scheme is driven by extensive model to intensive,from experience alone to a more scientific direction.This method is intuitive,convenient,fast and applicable,control the investment effectively,provide a useful reference for similar engineering design.
引文
[1]吴润泽,周海清,胡源,等.预应力锚索桩计算理论的研究现状和对其力学模型的探讨[J],重庆建筑,2012.11(9).32-34.
[2]李世贵,蒋亮.成都至兰州铁路金溪特大桥边坡稳定性及防治方案研究[J].公路工程,2012,37(3):30-35.
[3]冯超,林旭,张林波.高边坡锚固工程施工[J].公路工程,2012,37(2):99-101.
[4]李世贵,任仁,朱大全,等.高烈度山区高速公路边坡地震动力变形与内应力特征研究[J].中外公路,2012,32(1):51-56.
[5]邹志鹏,袁腾方,郭结义.路堑边坡防护方案探讨[J].公路工程,2012,37(52):56-59.
[6]李东.贵州山区高速公路滑坡的常见类型及处治[J].中外公路,2010,30(4),68-69.
[7]李海光.新型支挡结构设计与工程实例[M].人民交通出版社,2004.
[8]陶连金,沈小辉,王开源,等.某大型公路滑坡稳定性分析及锚桩加固的模拟研究[J].工程地质学报,2012,20(2):259-265.
[9]阳明慧,匡波.某高速公路路堑高边坡的开挖支护数值模拟与稳定性分析[J].中外公路,2011,31(1):25-29.
[10]王明辉,刘成禹.复合支撑系统基坑围护结构变形分析[J].施工技术,2012,41(10):59-62.
[11]张燕.SMW工法桩与锚索支护体系地表沉降分析[J].铁道工程学报,2011,(7):16-30.
[12]田小波.预应力锚索抗滑桩优化设计及应用[J].铁道科学与工程学报,2012,4(9):89-93.
[13]许英姿,韦万正,卢玉南.竖向预应力锚索抗滑桩的优化研究[J].工程地质学报,2011,19(1):83-87.
[14]郑明新.预应力锚索抗滑桩中预拉力合理值的探讨[J].力学与实际,2011,33(5):16-20.
[15]刘小丽,周德培.预应力锚索抗滑桩动态设计方法[J].西南交通大学学报,2002,5(37):491-495.
[16]黄润秋,裴向军,李世贵.活动断裂区高速公路边坡稳定性评价及防治措施阶段性报告[R].四川:成都理工大学,2008.
[2]李世贵,蒋亮.成都至兰州铁路金溪特大桥边坡稳定性及防治方案研究[J].公路工程,2012,37(3):30-35.
[3]冯超,林旭,张林波.高边坡锚固工程施工[J].公路工程,2012,37(2):99-101.
[4]李世贵,任仁,朱大全,等.高烈度山区高速公路边坡地震动力变形与内应力特征研究[J].中外公路,2012,32(1):51-56.
[5]邹志鹏,袁腾方,郭结义.路堑边坡防护方案探讨[J].公路工程,2012,37(52):56-59.
[6]李东.贵州山区高速公路滑坡的常见类型及处治[J].中外公路,2010,30(4),68-69.
[7]李海光.新型支挡结构设计与工程实例[M].人民交通出版社,2004.
[8]陶连金,沈小辉,王开源,等.某大型公路滑坡稳定性分析及锚桩加固的模拟研究[J].工程地质学报,2012,20(2):259-265.
[9]阳明慧,匡波.某高速公路路堑高边坡的开挖支护数值模拟与稳定性分析[J].中外公路,2011,31(1):25-29.
[10]王明辉,刘成禹.复合支撑系统基坑围护结构变形分析[J].施工技术,2012,41(10):59-62.
[11]张燕.SMW工法桩与锚索支护体系地表沉降分析[J].铁道工程学报,2011,(7):16-30.
[12]田小波.预应力锚索抗滑桩优化设计及应用[J].铁道科学与工程学报,2012,4(9):89-93.
[13]许英姿,韦万正,卢玉南.竖向预应力锚索抗滑桩的优化研究[J].工程地质学报,2011,19(1):83-87.
[14]郑明新.预应力锚索抗滑桩中预拉力合理值的探讨[J].力学与实际,2011,33(5):16-20.
[15]刘小丽,周德培.预应力锚索抗滑桩动态设计方法[J].西南交通大学学报,2002,5(37):491-495.
[16]黄润秋,裴向军,李世贵.活动断裂区高速公路边坡稳定性评价及防治措施阶段性报告[R].四川:成都理工大学,2008.
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