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简述滤水土撑的修筑方法。
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简述滤水土撑的修筑方法。
时间:2021-12-28 19:27
关键词:
工程抢险
河道修防与防冶工
答案解析
<p> 在背水坡滑坡范围内先抢筑导渗沟(清除表层松土,顺坡到堤脚直至拟修土撑外边界挖沟,沟内分层铺填反滤材料并覆盖保护),然后间隔抢筑透水土撑(顺堤方向长10m左右、顶宽5~8m、边坡1∶3~1∶5、高出出逸点O.5~2m,土撑间距8~10m),以对滑坡范围进行加固阻滑,防止滑坡或继续滑坡。</p>
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