编制日期:2007.06.25
(单向板按<荷载规范>GB50009-2001之附录B计算,适用于消防车满载总重为300kN的大型车辆.按车辆最大轮压为60kN,作用在0.6mx0.2m的局部面积上的条件并按最不利组合确定。双向板按弹性薄板小挠度理论计算确定。)
本表的适用范围:1. 设计楼板可以直接采用本表数据。2. 设计楼面梁:1)对单向板楼盖的次梁和槽形板的纵肋可乘以0.8的折减系数。2) 对单向板楼盖的主梁可乘以0.6的折减系数。3)对双向板楼盖的梁可乘以0.8的减系数。3. 设计墙、柱和基础时:1)对单向板楼盖可乘以0.5的折减系数。2) 对双向板楼盖和无梁楼盖可乘以0.8的折减系数。
等效活荷载qe值(kN/m2)0.00.20.40.60.8覆土厚度1.01.21.31.41.51.61.82.02.035.834.633.532.531.731.130.430.430.430.430.430.430.42.527.226.425.624.824.123.523.122.922.722.222.222.222.23.0单向板跨度(m)3.521.220.620.019.519.018.518.017.817.617.417.317.016.84.019.318.718.217.717.316.916.416.216.115.915.715.415.24.517.416.916.516.115.715.314.914.814.614.414.314.013.75.015.715.314.914.614.213.913.613.413.313.113.012.712.42.0x2.057.046.037.030.024.019.016.014.012.011.09.58.57.02.5x2.1.034.029.024.021.017.014.013.012.011.010.08.57.023.122.421.721.120.520.019.419.319.119.018.818.518.2双向板跨度(m*m)3.0x3.031.027.023.020.017.014.512.512.011.010.59.58.57.03.5x3.524.021.018.316.014.312.511.010.39.69.28.67.77.04.0x4.019.117.015.213.512.010.69.59.08.58.07.87.06..5x4.515.514.213.011.510.29.28.37.87.57.37.06.56.05.0x5.013.012.010.810.09.08.08.07.36.76.56.25.65.3注意:使用本表的双向板荷载时,如果表中小于11.25kN/m2,计算板时取用11.25kN/m2(此值为消防车[30t]按1m间距满布时的等重荷载)。
因篇幅问题不能全部显示,请点此查看更多更全内容
Copyright © 2019- howto234.com 版权所有 湘ICP备2022005869号-3
违法及侵权请联系:TEL:199 1889 7713 E-MAIL:2724546146@qq.com
本站由北京市万商天勤律师事务所王兴未律师提供法律服务