桩锚支护设计中单支点位置优化的探讨
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摘要
针对桩锚支护结构设计中支点位置的优选问题,以一个具体工程为实例,分别采用等值梁和极限平衡两种方法与多目标优化设计方法相结合进行计算。结果表明:最佳的支点位置与上述两种桩锚支护结构计算方法的选择无关。结合该工程实例,利用等值梁和极限平衡两种方法计算出的最佳支点位置的确定值为4.65m和4.57m。
For optimization of supporting point position in stake anchor bracing design, taking a detailed project as an example, the authors use a method to calculate that equivalent beam and multiple target optimization design are combined with limiting equilibrium and multiple target optimization design. The results indicate that the optimum supporting point position is independent of the two methods mentioned above in stake anchor bracing design. The method introduced in this paper shows the definite values of supporting point positions as 4.65 m and 4.57 m.
For optimization of supporting point position in stake anchor bracing design, taking a detailed project as an example, the authors use a method to calculate that equivalent beam and multiple target optimization design are combined with limiting equilibrium and multiple target optimization design. The results indicate that the optimum supporting point position is independent of the two methods mentioned above in stake anchor bracing design. The method introduced in this paper shows the definite values of supporting point positions as 4.65 m and 4.57 m.
引文
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[15]唐小彪.层次分析法的程序算法[J].达县师范高等专科学校学报:自然科学版,2001,11(2):121-122.TANG Xiao-biao.Programmed algorithmof analytical hi-erarchy process[J].Journal of Daxian Teachers Col-lege:Natural Science Edition,2001,11(2):121-122.
[2]黄强.深基坑支护结构实用内力计算手册[M].北京:中国建筑工业出版社,1995:19-44.HUANG Qiang.Retaining and protection of deeper foun-dation pit constructioninternal force calculation handbook[M].Beijing:China Architecture&Building Press,1995:19-44.
[3]秦四清.深基坑工程优化设计[M].北京:地震出版社,1998:14-24.QI NSi-qing.Opti mize deeper foundation pit engineering design[M].Beijing:Seismological Press,1998:14-24.
[4]黄强,崔永宁.深基坑支护工程实例集[M].北京:中国建筑工业出版社,1997:1-16.HUANG Qiang,CUI Yong-ning.Retaining and protec-tion of deeper foundation pit engineering instances collec-tion[M].Beijing:China Architecture&Building Press,1997:1-16.
[5]黄运飞.深基坑工程实用技术[M].北京:兵器工业出版社,1996:120-128.HUANG Yun-fei.Deeper foundation pit engineering op-erative technology[M].Beijing:Weapons Industry Press,1996:120-128.
[6]吕凤翥.C++语言基础教程[M].北京:清华大学出版社,1999.L Feng-zhu.C++language basic course tutorial[M].Beijing:Tsinghua University Press,1999.
[7]叶元烈.机械优化理论与设计[M].北京:中国计量出版社,2000:81-88.YE Yuan-lie.Mechanical opti mization theory and design[M].Beijing:China Meterage Press,2000:81-88.
[8]胡毓达.实用多目标最优化[M].上海:上海科学技术出版社,1990:182-185.HU Yu-da.Utility multipletarget opti mum[M].Shang-hai:Shanghai Science and Technology Press,1990:182-185.
[9]徐扬清.深基坑支护结构的优化设计计算[J].岩土力学,1997,18(2):57-61.XU Yang-qing.Design opti mization of bracing structure of deep foundation pit[J].Rock and Soil Mechanics,1997,18(2):57-61.
[10]郭礼士,张琳.深基坑桩锚支护体系优化设计浅析[J].资源环境与工程,2005,19(3):185-187.GUO Li-shi,ZHANG Lin.Opti mizing design of deeper foundation pit pile-bolt supporting system[J].Re-sources Environment&Engineering,2005,19(13):185-187.
[11]张兴明,岳祖润.黄金分割法用于土压力计算[J].铁道建筑,1998(4):32-34.ZHANG Xing-ming,YUE Zu-run.Method of golden section usingin calculation of earth pressure[J].Rail-way Engineering,1998(4):32-34.
[12]董晔.优化分层总和法—一种新的深基坑侧土压力计算方法[J].辽宁地质,2000,17(4):309-311.DONG Ye.Opti mization layer summation method—a calculation method of deep-basement[J].Liaoning Geology,2000,17(4):309-311.
[13]史文谱,刘迎曦,巩华荣,等.黄金分割法在无约束多元优化问题中的应用[J].东北师范大学学报:自然科学版,2003,35(2):11-14.SHI Wen-pu,LI U Ying-xi,GONG Hua-rong,et al.Application of0.618method in solving unconstrained multiple variable opti mization[J].Journal of Northeast Normal University:Natural Science Edition,2003,35(2):11-14.
[14]王永祥,陈进,黄滢.层次分析法在深基坑支护方案优选中的应用[J].华东交通大学学报,2004,21(2):31-34.WANG Yong-xiang,CHENG Jin,HUANG Ying.Ap-plication of analytical hierarchy process to the selection of foundation pit retaining programmes[J].Journal of East China Jiaotong University,2004,21(2):31-34.
[15]唐小彪.层次分析法的程序算法[J].达县师范高等专科学校学报:自然科学版,2001,11(2):121-122.TANG Xiao-biao.Programmed algorithmof analytical hi-erarchy process[J].Journal of Daxian Teachers Col-lege:Natural Science Edition,2001,11(2):121-122.
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