A.角部4根C20縱筋 B.中部4根C20縱筋 C.上一排4根C20縱筋 D.下一排4根C20縱筋
A.Ln/3 B.Ln/4 C.Hn/3 D.Hn/4
A.(梁凈跨長(zhǎng)-加密區(qū)長(zhǎng)度*2)/箍筋非加密區(qū)間距向上取整 B.(梁凈跨長(zhǎng)-加密區(qū)長(zhǎng)度*2)/箍筋非加密區(qū)間距向上取整減1 C.(梁凈跨長(zhǎng)-加密區(qū)長(zhǎng)度)/箍筋非加密區(qū)間距向上取整加1 D.(梁凈跨長(zhǎng)-加密區(qū)長(zhǎng)度*2)/箍筋加密區(qū)間距向上取整減1