简支T型梁计算说明书

B??Mcr??Ms??B02??M????1??cr??M?s???????2?B?0B??cr5.48?102142

??126.7??5.48?1014?126.7?????1????14312.991312.992.42?10????????14?2.66?10mm?N2③受弯构件跨中截面处的长期挠度值

Ms?312.99kNm MG?132.89kNm,对C25混凝土,???1.60 使用阶段跨中截面的长期挠度为

?l?548?MsLB2????548?312.99?10?95002.66?101462?1.6?17.6mm

结构自重作用下跨中截面长期挠度值

?l?548?MGLB2????548?132.89?10?95002.66?101462?1.6?8.02mm

按可变荷载频遇值计算长期挠度(?Q)为

?Q??L-?G?17.6-8.02?9.58mm?L600(?9500600?16mm)

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