【《某高校1号办公楼结构框架梁柱设计案例》8600字】

.4构件裂缝宽度验算3.4.1框架梁裂缝宽度验算框架梁的裂缝控制等级为三级，其最大裂缝宽度按荷载准永久组合值并考虑长期作用影响的效应计算。Mq为非地震作用下的准永久组合值。最大裂缝宽度为：（7-10）（7-11）（7-12）（7-13）（7-14）若<，取=。（7-15）若<，取=；若>1.0，取=；（7-15）本设计中，。查得，验算结果见表3.12。3.4.2框架柱裂缝宽度验算Mq、Nq均为准永久组合值，验算见表13.13。对于偏心受压构件，均满足e0/h0,可不验算裂缝宽度。

表3.12框架梁裂缝宽度验算层次位置MqAs(mm2)h0σsqAte(mm2)ρteψdeq(mm)csαcrωmax(mm)备注5AB左33.96763560102.11750000.010.2018281.90.04最大裂缝宽度均满足要求中71.86763560193.31750000.010.6018281.90.21右49.95763560134.38750000.010.3818281.90.09BC左12.7850936080.19500000.010.2018281.90.03中5.5150936034.56500000.010.2018281.90.01右12.7850936080.19500000.010.2018281.90.03CD左49.95763560134.38750000.010.3818281.90.09中71.86763560193.31750000.010.6018281.90.21右33.96763560102.11750000.010.2018281.90.044AB左4917750000.010.3718281.90.09中68.19763560183.44750000.010.5718281.90.19右56.88763560153.00750000.010.4718281.90.13BC左3.3050936045.79500000.010.2018281.90.02中1.185093603.38500000.010.2018281.90.00右3.3050936045.79500000.010.2018281.90.02CD左56.88763560153.00750000.010.4718281.90.13中68.19763560183.44750000.010.5718281.90.19右4917750000.010.3718281.90.093AB左50.79763560136.62750000.010.3918281.90.10中68.52763560184.34750000.010.5818281.90.20右5370750000.010.4718281.90.13BC左3.6950936048.23500000.010.2018281.90.02中1.595093609.99500000.010.2018281.90.00右3.6950936048.23500000.010.2018281.90.02CD左5370750000.010.4718281.90.13中68.52763560184.34750000.010.5818281.90.20右50.79763560136.62750000.010.3918281.90.10

表3.12框架梁裂缝宽度验算续表1层次位置MqAs(mm2)h0σsqAte(mm2)ρteψdeq(mm)csαcrωmax(mm)备注2AB左51.16114056092.12750000.020.4022281.90.06最大裂缝宽度均满足要求中68.37763560183.92750000.010.5822281.90.23右56.491140560101.70750000.020.4722281.90.08BC左3.5976336031.76500000.020.2022281.90.01中1.487633606.20500000.020.2022281.90.00右3.5976336031.76500000.020.2022281.90.01CD左56.491140560101.70750000.020.4722281.90.08中68.37763560183.92750000.010.5822281.90.23右51.16114056092.12750000.020.4022281.90.061AB左46.49114056083.70750000.020.3322281.90.04中70.42763560189.44750000.010.5922281.90.24右5449750000.020.4422281.90.07BC左9.5776336040.05500000.020.2022281.90.01中3.5176336014.69500000.020.2022281.90.00右9.5776336040.05500000.020.2022281.90.01CD左54.151