A.90mm B.100mm C.110mm D.120mm
A.單向板 B.雙向板 C.懸挑板 D.無(wú)梁樓板
A.梁高小于500mm,擱置長(zhǎng)度不小于180mm B.梁高大于500mm時(shí),擱置長(zhǎng)度不小于240mm C.梁板式肋形樓板,板的擱置長(zhǎng)度不小于180mm D.通常,次梁擱置長(zhǎng)度為240mm,主梁的擱置長(zhǎng)度為370mm