This model paper was revised by the Standardization Office on December 10, 2020
混凝土雨棚计算完整
二:混凝土雨蓬计算:
雨蓬计算 This model paper was revised by the Standardization Office on December 10, 2020
混凝土雨棚计算完整
二:混凝土雨蓬计算:
雨蓬计算简图如下:
1:截面尺寸:
根部:h≥L/12=1200/12=100mm,取h=100mm
端部:h≥100×2/3=,取h=70mm
竖板:b=60mm
2:荷载计算:
恒载:均布荷载:
20mm厚水泥砂浆面层: ×20=M2
混凝土板(平均板厚为85mm): ×25= KN/M2
20mm厚混合砂浆粉底: ×17= KN/M2
= KN/M2
集中荷载:
60mm厚砼现浇板: ×25×=M
20mm厚水泥砂浆双面粉: 2××20×=M
=M
活载:
均布荷载: qk=M
集中荷载: P=M
取1m板宽作为计算单元:
g=×=M
G=×=
Q均=×=M
Q集=×=
3:内力计算:
取M=·M
4:配筋计算:
按构造配筋,8＠200(As=251mm2) ,分布钢筋8＠200。
板面构造钢筋8＠200.
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