桁架钢筋混凝土叠合板应满足下列要求(A )。 A. 桁架钢筋应沿主要受力方向布置; B. 桁架钢筋距板边不应大于 300mm,间距不宜大于 600mm; C. 桁架钢筋弦杆钢筋直径不宜小于 8mm,腹杆钢筋直径不应小于 4mm; D. 桁架钢筋弦杆混凝土保护层厚度不应小于 15mm; E. 桁架钢筋弦杆钢筋直径不宜小于 8mm,腹杆钢筋直径不应小于 6mm。
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