灌注桩护筒高度宜高出地面()m或水面()m。A.0.1,0.5~1.0 B.0

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问题 灌注桩护筒高度宜高出地面()m或水面()m。A.0.1,0.5~1.0B.0.2,0.7~1.5C.0.3,1.0~2.0D.0.4,2.0~3.0

选项 A.0.1,0.5~1.0
B.0.2,0.7~1.5
C.0.3,1.0~2.0
D.0.4,2.0~3.0

答案 C

解析 护筒顶宜高于地面0.3m或水面1.0~2.0m。
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