A. 正方形截面混凝土预制桩的截面边长不应小于300mm
B. 根据吊运、打桩及桩的受力,预制桩桩身最小配筋率不应小于0.6%
C. 静压法沉桩时,打入桩桩顶以下(4~5)d(d为桩径)范围内箍筋应加密
D. 预应力混凝土实心桩的混凝土强度等级不应低于C40
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