基于MIDASGTS的预应力锚索最优锚固段长度优化设计.pdfVIP

12 1 Vol.12 No.1 2 0 1 4 2 Journal of Water Resources and Architectural En ineerin Feb ., 2 0 14 DOI:10.3969/j .issn.1672-1144.2014.01.029 　 MIDAS/GTS 1 2 2 徐希强,李　宁, 陈晓梅 (1., 276004;2., 276004) 　:, , , MIDAS/GTS , 0 。 , , 0～ 1 m , , 。 :MIDAS/GTS;;; :TU757　　　　 　:A　　 :1672—1144 (2014)01—0142—05 Optimization Design for Optimal Anchoring-section Length of Prestressed Anchor Cable Based on MIDAS/GTS 1 2 2 XU Xi-qian , LI Nin , CHEN Xiao-mei (1.The 7th Geolog ical Mineral Exp loration Institute of Shandong Province, L iny i, Shand ong 276004, China; 2.Linyi City Bureau of Land Resources, L iny i, Shandong 276004, China ) Abstract:In order to ive full play to the anchorin performance of the prestressed anchor cable in slope and obtain its optimal anchorin -section len th, the anchorin -section len th of the supportin structure in a hi h side slope is discussed for its optimization based on ori inal eolo ic exploration data by usin MIDAS/GTS, and the anchorin section len th of the cable when its axial force attenuation is 0 would be taken as the optimal anchorin -section len th .Simultaneously, it is obtained that the startin axial force of anchorin section is lar est, the axial force alon the anchorin -section len th decay rapidly, the axial force decay most quickly within 0 ～1 m to the startin end of anchorin section, when the anchor cable is deeper into soil layer, the axial force decay slowly, and the required anchorin -section len th connected to the anti-slide pile is lon est. Ke words:MID