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时间:2020-05-19
《邯郸中央花园2--2剖面.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、----------------------------------------------------------------------设计项目:2—2剖面----------------------------------------------------------------------[设计简图]----------------------------------------------------------------------[设计条件]-------------------------------
2、---------------------------------------[基本参数]所依据的规程或方法:《建筑基坑支护技术规程》JGJ120-99基坑深度:10.200(m)基坑内地下水深度:11.000(m)基坑外地下水深度:7.000(m)基坑侧壁重要性系数:1.100土钉荷载分项系数:1.250土钉抗拉抗力分项系数:1.300整体滑动分项系数:1.300[坡线参数]坡线段数3序号水平投影(m)竖向投影(m)倾角(°)1-0.0005.20090.023.0000.0000.033.0005.00059.0[土
3、层参数]土层层数4序号土类型土层厚容重饱和容重粘聚力内摩擦角钉土摩阻力锚杆土摩阻力水土(m)(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)1杂填土1.67018.418.08.018.045.045.0分算2粉土5.70018.318.014.010.355.055.0分算3粘性土3.33018.419.515.09.860.060.0合算4粘性土4.60019.619.619.014.665.065.0合算[超载参数]超载数1序号超载类型超载值(kN/m)作用深度(m)作用宽度(m)距坑边线距离(
4、m)形式长度(m)1满布均布15.000[土钉参数]土钉道数7序号水平间距(m)垂直间距(m)入射角度(度)钻孔直径(mm)11.2001.70010.012021.2001.30010.012031.2001.30010.012041.2001.30010.012051.2001.30010.012061.2001.30010.012071.2001.30010.0120[花管参数]基坑内侧花管排数0基坑内侧花管排数0[锚杆参数]锚杆道数0[坑内土不加固]施工过程中局部抗拉满足系数:1.000施工过程中内部稳定满足系数
5、:1.000[内部稳定设计条件]考虑地下水作用的计算方法:总应力法土钉拉力在滑面上产生的阻力的折减系数:0.500圆弧滑动坡底截止深度(m):1.000(m)圆弧滑动坡底滑面步长(m):1.000(m)----------------------------------------------------------------------[设计结果]----------------------------------------------------------------------[局部抗拉设计结果]工况开挖深度
6、破裂角土钉号设计长度最大长度(工况)拉力标准值拉力设计值(m)(度)(m)(m)Tjk(kN)Tj(kN)12.20037.6023.50036.513.5233.523(2)28.038.534.80036.012.8903.523(2)10.714.722.9512.951(3)21.028.946.10051.210.9363.523(2)10.914.921.8312.951(3)21.229.233.0253.025(4)35.148.257.40051.010.9433.523(2)10.915.021.84
7、62.951(3)21.429.433.0483.048(5)35.448.641.8661.866(5)6.69.168.70050.911.5873.523(2)11.015.122.2492.951(3)21.629.633.2123.212(6)35.648.942.8132.813(6)6.69.152.8272.827(6)17.824.5710.00050.712.5583.523(2)11.115.223.2203.220(7)21.729.834.1854.185(7)35.849.243.7653.7
8、65(7)6.69.153.6963.696(7)17.824.565.5035.503(7)53.173.0810.20050.712.7073.523(2)11.115.223.3693.369(8)21.729.834.3354.335(8)35.849.243.9113.911(8)6.69.153.8313
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