砖墙基础大放脚折加高度和增加断面面积计算表汇.doc

砖墙基础大放脚折加高度和增加断面面积计算表 表2.1.3-5 放脚 层数折加高度（m）增加断面ΔS基础墙厚砖数量1/2（0.15）1（0.24）3/2（0.365）2（0.49）5/2（0.615）3（0.74）等高不等高等高不等高等高不等高等高不等高等高不等高等高不等高10.1370.1370.0660.0660.0430.0430.0320.0320.0260.0260.0210.0210.015750.0157520.4110.3420.1970.1640.1290.1080.0960.0800.0770.0640.0640.0530.047250.0393830.3940.3280.2590.2160.1930.1610.1540.1280.1280.1060.09450.0787540.6560.5250.4320.3450.3210.2530.2560.2050.2130.1700.15750.126050.9840.7880.6470.5180.4820.3800.3840.3070.3190.2550.32630.189061.3781.0830.9060.7120.6720.5300.5380.4190.4470.3510.33080.259971.8381.4441.2080.9490.9000.7070.7170.5630.5960.4680.44100.346582.3631.8381.5531.2081.1570.9000.9220.7170.7660.5960.56700.441192.9532.2971.9421.5101.4471.1251.1530.8960.9580.7450.70880.5513103.6102.7892.3721.8341.7681.3661.4091.0881.1710.9050.86630.6694以上为基础放大脚系数，其中增加的面积为最右边两列数据，只是增加的折加厚度变化，增加面积是相同的。 砖基础四周大放脚折加高度和断面积 表2.13-6 矩形砖柱断 面尺寸（m）断面积 （m2）形式大放脚层数一层二层三层四层五层六层七层0.24×0.240.0576等高0.1680.5641.2712.3443.5025.8588.458不等高0.4881.0751.8963.1084.6756.7200.24×0.3650.0876等高0.1260.4440.9691.7672.8634.3250.195不等高0.3700.8151.4372.3153.4514.9120.24×0.490.1176等高0.1120.3780.8211.4772.3893.5815.079不等高0.3210.6891.2031.9242.8434.0260.24×0.6150.1476等高0.1040.3370.7331.3122.1003.1334.423不等高0.2850.6131.0651.6982.4483.0510.365×0.3650.1332等高0.0990.3330.7241.3062.1073.1584.483不等高0.2840.6681.0631.7032.5113.5560.365×0.490.1789等高0.0870.2790.6061.0891.7342.5813.646不等高0.2360.5060.8801.3962.0492.8900.49×0.490.2401等高0.0740.2340.5010.8891.4152.0962.950不等高0.1980.418