松散土体坝区渗漏的主要形式有哪些?
参考答案:
当水库蓄水后,在坝体上下游水头差作用下和坝肩部位透水的岩土体产生渗漏,一般称坝底的渗漏为坝基渗漏,称坝肩部位的渗漏为绕坝渗漏。
The house you have just bought is ___ mine.
A.as three times big as
B.three times the size of
C.three times the size than
D.as big as three time that
某基槽槽底宽度为3.5m,自然地面标高为-0.5m,槽底标高为-4.5m,地下为-1.0m。基坑放坡开挖,坡度系数为0.5m,采用轻型井点降水,降水深至坑下0.5。
井点管的埋设深度宜大于或等于()。
A.4.0m
B.4.5m
C.5.13m
D.5.76m