钢塑格栅在锚网支护工程中的作用机理及其工程应用.pdf

施工技术 2017年7月上 62 CONSTRUCTION TECHNOLOGY 第46卷第13期 D0I:10.7672/8js2017130062 钢塑格栅在锚网支护工程中的作用机理 及其工程应用 谢翡 (山东科技大学土木工程与建筑学院，山东青岛266590) [摘要]针对钢塑格栅锚网支护技术的可行性，通过理论分析、现场工程试验和数值模拟的综合研究方法，深人全 面地对钢塑格栅错网支护技术的作用机理以及在工程中的应用进行了研究，研究结果表明：①通过研究钢塑格栅 错网支护机理，阐述了钢塑格栅错网支护的必要性，解释了钢塑格栅在调整岩土体应力和协调岩土体变形方面发 挥的作用，同时提出了钢塑格栅错网支护“让压”原理；②通过对错网支护方式的研究，揭示不同支护条件下对数值 模拟结果的影响，得出了无支护和钢塑格栅锚网支护时产生的深基坑变形量；③通过数值模拟与现场监测数据对 比，验证了数值模拟结果，证明了在错网支护工程中钢塑格栅作为支护材料的可行性. [关键词]基坑；支护；钢塑格栅；错网；作用机理：监测 [中图分类号]TU599 [文献标识码]A [文章编号]1002-8498(2017)13-0062-05 The Mechanism of Steel Grating in Anchor Net Support Engineering and Its Engineering Application XIE Fei (School of Civil Engineering and Architecture Shandong Uniersity of Science and Technology Qingdao Shandong 266590 China) Abstract:In the light of the feasibility of the technology of grid anchor net support based on the theoretical analysis the prehensive research method of the field engineering test and numerical simulation steel grating anchor net supporting mechanism and application in engineering are studied. Research results show that:①Study on steel grating anchor net supporting mechanism expounds the steel grating anchor net support supporting the necessity explains the plastic grille in the adjustment of the rock and soil should force and the coordination of rock and soil deformation plays a role at the same time the steel grating anchor net supporting‘crush’principle;②Through revealing the different support conditions on the numerical simulation results of the im...