高陡黄土边坡防护型式初探高陡黄土边坡防护型式初探 摘要:南水北调中线一期穿黄工程南岸连接明渠及穿黄隧洞进口区开挖深度 20m~57m,单级边坡高度 10m,最陡坡比 1:0
主要采纳植被护坡,节约工程投资,生态效益明显
关键词:高陡;黄土边坡;拱形骨架;植草 Abstract: The middle route of South-to-North Water Transfer Yellow River Project at first stage ,its south connects the tunnel channel and the tunnel entrance , the excavation depth is 20m~ 57m, single step slope height is10m, the slope ratio is1:0
It mainly uses the vegetation for slope protection, to save the project investment, and its ecological benefit is very obvious
Key words: high steep; loess slope; arch skeleton; planting 中图分类号:TV68 文献标识码:A 文章编号:2095-2104(2025) 1 概述 南水北调中线一期穿黄工程南岸连接明渠及穿黄隧洞进口区全长 4893
57m,为深挖方渠道
地表高程 131
0,渠道底板高程 112
43,开挖深度 20~57m
穿黄工程南岸地质结构为黄土地层,表层为全新统冲积粉质壤土层(alQ4),下层为上更新统冲积层黄土状粉质壤土层(alQ3),局部夹粉质砂壤土,呈软塑状、可塑状
在边坡防护设计方面