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某高填方边坡空间变形方式及治理措施分析 被引量:6

Analysis on Spatial Deformation Mode and Treatment Measures of a High Fill Slope
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摘要 通过对某高填方边坡支护结构进行地面变形监测,分析了两个区段不同支护方案各自的变形特征、失稳模式及两者的相互影响,以及对顺坡向和横向两个方向的变形的分析,得到滑坡体失稳的空间变形方式,并对监测数据、气象资料、现场勘查资料作分析,得出滑坡体滑塌与降雨、区域地质条件、人类活动等因素有关,还对未滑塌区段进行稳定性计算并判断其稳定性。最后对二区段锚杆挡墙滑塌区采用预应力锚索加固,对三区段浆砌片石挡墙破坏区采用三排微型桩进行加固,指出锚杆挡墙的整体稳定性和两种支护方式连接处整体性在高填方边坡支护方案中的重要性。 Through monitoring the ground deformation of the supporting structure of a high fill slope, the deformation characteristics, instability modes and their interaction of different support schemes for two sections are analyzed in this article. Through the analysis of the deformation magnitude along the slope and transverse directions, the spatial deformation mode of landslide sliding is obtained. Through the analysis of monitoring data, meteorological data and on-site investigation data, it is concluded that landslide slides are related to rainfall, regional geological conditions, human activities and other factors. The stability of the non-sliding section is calculated and its stability is judged. Prestressed anchor cables are used to reinforce the sliding area of the anchor retaining wall in the second section and three rows of micro-piles are used to reinforce the failure area of the masonry stone retaining wall in the third section. It points out the importance of the integral stability of anchor retaining wall and the integrality of the joint of the two supporting modes in the support scheme of high fill slope.
作者 张冬冬 鲁鹏 张娟 侯文斌 ZHANG Dongdong;LU Peng;ZHANG Juan;HOU Wenbin(Luoyang Water Conservancy Survey and Design Co., Ltd., Luoyang 471000, Henan, China)
出处 《路基工程》 2019年第6期180-184,共5页 Subgrade Engineering
关键词 高填方边坡 变形监测 治理措施 微型桩 整体稳定性 high fill slope deformation monitoring treatment measures micro-piles integral stability
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