二:雨蓬计算: 雨蓬计算简图如下: file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image002.gif 1:截面尺寸: 根部:h≥L/12=1200/12=100mm,取h=100mm 端部:h≥100×2/3=66.7mm,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: 0.02×20=0.4KN/M2 混凝土板(平均板厚为85mm): 0.085×25=2.13 KN/M2 20mm厚混合砂浆粉底: 0.02×17=0.34KN/M2 file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.gif=2.87 KN/M2 集中荷载: 60mm厚砼现浇板: 0.06×25×0.38=0.57KN/M 20mm厚水泥砂浆双面粉: 2×0.02×20×0.38=0.304KN/M file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.gif=0.874KN/M 活载: 均布荷载: qk=0.7KN/M 集中荷载: P=1.0KN/M 取1m板宽作为计算单元: g=1.2×2.87=3.44KN/M G=1.2×0.874=1.05KN Q均=1.4×0.7=0.98KN/M Q集=1.4×1.0=1.4KN 3:内力计算: file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image006.gif file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image008.gif 取M=5.44KN·M 4:配筋计算: file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image010.gif file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image012.gif file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image014.gif 按构造配筋,file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image016.gif8@200(As=251mm2) ,分布钢筋file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image016.gif8@200。 板面构造钢筋file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image016.gif8@200.
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