格构式锚杆挡墙验算

格构式锚杆挡墙验算格构式锚杆挡墙验算计算项目：格构式锚杆挡墙1计算时间：2012-09-1418:06:47星期五执行规范：[1]《建筑边坡工程技术规范》（GB50330-2002），本文简称《边坡规范》[2]《建筑结构荷载规范》（GB50009-2001），本文简称《荷载规范》[3]《建筑抗震设计规范》（GB50011-2010），本文简称《抗震规范》[4]《混凝土结构设计规范》（GB50010-2010），本文简称《混凝土规范》----------------------------------------------------------------------[简图]--------------------------------------------------------------------------------------------------------------------------------------------[已知条件]----------------------------------------------------------------------1.基本信息边坡类型土质边坡边坡等级一级墙高(m)11.000梁容重(kN/m3)25.00坡度(1：m)0.300梁砼等级C30竖梁道数4梁纵筋级别HRB400├间距(m)2.000梁箍筋级别HRB335├截面宽(m)0.300梁钢筋直径(mm)20└截面高(m)0.300梁as(mm)50平梁道数5梁抗扭计算ζ值1.200├截面宽(m)0.300支座约束弹性├截面高(m)0.300├左悬长度(m)1.300└右悬长度(m)1.3002.锚杆(索)锚杆锚杆竖向间入射角自由段锚固段锚固体锚杆预加锚杆刚度筋浆强度号类型距(m)(度)长度(m)长度(m)直径(mm)力(kN)(MN/m)fb(kPa)1锚杆1.50010.005.007.0013080.00025.092100.002锚杆2.00010.004.507.5013080.00025.092100.003锚杆2.00010.004.507.5013080.00025.092100.004锚杆2.00010.004.5010.5013080.00025.092100.005锚杆2.00010.004.5010.5013080.00044.392100.003.岩土信息背侧坡线数2面侧坡线数---背侧坡线水平投影长竖向投影长坡线长坡线仰角荷载数序号(m)(m)(m)(度)15.0000.0005.0000.000127.0000.0007.0000.0001坡线荷载荷载类型距离宽度荷载值有限范围填土土压力ㄨ岩土压力分布三角形荷载组合数2序号组合名称1组合12组合2(1)组合1序号荷载名称荷载类型是否参与分项系数1挡墙结构自重永久荷载√1.2002墙背侧岩土侧压力永久荷载√1.2003墙背侧地表荷载引起岩土侧压力可变荷载√1.200(2)组合2序号荷载名称荷载类型是否参与分项系数1挡墙结构自重永久荷载√1.0002墙背侧岩土侧压力永久荷载√1.0003墙背侧地表荷载引起岩土侧压力可变荷载√1.0005.整体稳定是否计算整体稳定√稳定计算目标自动搜索最危险滑裂面条分法的土条宽度(m)1.000搜索时的圆心步长(m)1.000搜索时的半径步长(m)1.000筋带对稳定的作用筋带力沿筋带方向土条切向分力与滑动方向反向时当下滑力对待----------------------------------------------------------------------[计算内容]----------------------------------------------------------------------（1）墙身力系计算（2）格构梁内力及位移计算（3）格构梁配筋及裂缝计算（4）整体稳定验算（5）锚杆（索）设计计算----------------------------------------------------------------------[计算结果]----------------------------------------------------------------------一、【组合1】(一)岩土压力计算(1)合力 按《边坡规范》公式(6.2.3)计算主动土压力： Ea=109.160(kN)Ex=108.414(kN)Ey=-12.734(kN)作用点高度Zy=3.667(m)(2)分布 岩土压力分布见左侧结果图。(二)格构梁内力计算弯矩(kN.m):背侧最大值:30.782背侧最大值所在位置:梁46(左)梁49(左)面侧最大值:-2.192面侧最大值所在位置:梁34(中)梁37(中)剪力(kN):最大值:38.355最大值所在位置:梁46(左)梁49(左)扭矩(kN.m):最大值:1.202最大值所在位置:梁34(左)梁34(中)梁34(右)梁37(左)梁37(中)梁37(右)位移(mm):最大值:0.004最大值所在位置:梁46(右)梁47(右)梁48(右)梁49(右)锚杆(索)轴向拉力标准值:道数拉力标准值(kN)距梁顶垂直距离(m)180.0001.500280.0002.000380.0002.000480.0002.0005113.1662.000注:背侧--为挡土侧;面侧--为非挡土侧弯矩：面侧受拉为正，背侧受拉为负剪力：对水平梁，从下向上看，逆时针为正；顺时针为负对竖向梁，从左向右看，逆时针为正；顺时针为负扭矩：矢量方向同坐标负向为正，反之为负位移：向面侧为正，向背侧为负支座反力：与锚杆受拉力方向一致为正，反之为负(三)格构梁配筋计算梁号1:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:0.000.822.77剪力:0.002.183.82扭矩:-0.00-0.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.010.03梁号2:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:4.021.511.28剪力:-3.66-1.370.92扭矩:0.400.400.40位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.050.020.02梁号3:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:1.430.291.43剪力:-2.29-0.002.29扭矩:0.000.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.020.000.02梁号4:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:1.281.514.02剪力:-0.921.373.66扭矩:-0.40-0.40-0.40位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.020.020.05梁号5:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:2.770.820.00剪力:-3.82-2.18-0.00扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.030.010.00梁号6:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:0.002.417.89剪力:0.006.2610.60扭矩:-0.00-0.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.030.16梁号7:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:8.082.463.20剪力:-8.81-2.443.93扭矩:0.580.580.58位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.170.030.04梁号8:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:3.230.053.23剪力:-6.370.006.37扭矩:0.000.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.040.000.04梁号9:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:3.202.468.08剪力:-3.932.448.81扭矩:-0.58-0.58-0.58位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.040.030.17梁号10:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:7.892.410.00剪力:-10.60-6.26-0.00扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.160.030.00梁号11:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:0.003.8812.77剪力:0.0010.1217.24扭矩:-0.00-0.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180192抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.050.43梁号12:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:12.513.655.25剪力:-14.09-3.636.82扭矩:0.550.550.55位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:189180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.430.040.06梁号13:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:5.12-0.115.12剪力:-10.450.0010.45扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.060.000.06梁号14:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:5.253.6512.51剪力:-6.823.6314.09扭矩:-0.55-0.55-0.55位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180189抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.060.040.43梁号15:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:12.773.880.00剪力:-17.24-10.12-0.00扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:192180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.430.050.00梁号16:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:0.005.3517.65剪力:0.0013.9823.87扭矩:-0.00-0.00-0.00位移:0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180253抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.070.47梁号17:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:17.014.656.82剪力:-19.63-5.099.45扭矩:0.110.110.11位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:245180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.470.060.08梁号18:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:6.63-0.646.63剪力:-14.540.0014.54扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.080.010.08梁号19:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:6.824.6517.01剪力:-9.455.0919.63扭矩:-0.11-0.11-0.11位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180245抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.080.060.47梁号20:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:17.655.350.00剪力:-23.87-13.98-0.00扭矩:0.000.000.00位移:-0.00-0.000.00背侧纵筋:180180180面侧纵筋:253180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.470.070.00梁号21:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:0.005.9821.68剪力:0.0016.9231.39扭矩:-0.00-0.00-0.00位移:0.000.000.00背侧纵筋:180180180面侧纵筋:180180304抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.070.49梁号22:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:21.144.977.42剪力:-25.48-6.8611.76扭矩:0.240.240.24位移:0.000.000.00背侧纵筋:180180180面侧纵筋:297180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.490.060.12梁号23:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:7.57-1.747.57剪力:-18.620.0018.62扭矩:0.000.00-0.00位移:0.000.000.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.130.020.13梁号24:跨长:2.000(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:7.424.9721.14剪力:-11.766.8625.48扭矩:-0.24-0.24-0.24位移:0.000.000.00背侧纵筋:180180180面侧纵筋:180180297抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.120.060.49梁号25:跨长:1.300(m)，截面:B×H=0.300(m)×0.300(m)左中右弯矩:21.685.980.00剪力:-31.39-16.92-0.00扭矩:0.000.000.00位移:0.000.000.00背侧纵筋:180180180面侧纵筋:304180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.490.070.00梁号26:跨长:1.566(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:-0.00-0.010.85剪力:-0.000.262.24扭矩:-0.00-0.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.000.01梁号27:跨长:1.566(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:-0.00-0.020.75剪力:-0.000.212.05扭矩:-0.00-0.00-0.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.000.01梁号28:跨长:1.566(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:-0.00-0.020.75剪力:-0.000.212.05扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.000.01梁号29:跨长:1.566(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:-0.00-0.010.85剪力:-0.000.262.24扭矩:0.000.000.00位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.000.01梁号30:跨长:2.088(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:1.25-0.981.75剪力:-3.77-0.135.73扭矩:-1.25-1.25-1.25位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.020.010.02梁号31:跨长:2.088(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:0.36-1.222.15剪力:-3.140.496.35扭矩:-0.15-0.15-0.15位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.020.03梁号32:跨长:2.088(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:0.36-1.222.15剪力:-3.140.496.35扭矩:0.150.150.15位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.000.020.03梁号33:跨长:2.088(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:1.25-0.981.75剪力:-3.77-0.135.73扭矩:1.251.251.25位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.020.010.02梁号34:跨长:2.088(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:2.33-2.691.89剪力:-8.67-0.589.73扭矩:-1.44-1.44-1.44位移:-0.00-0.00-0.00背侧纵筋:180180180面侧纵筋:180180180抗扭纵筋:000抗扭箍筋:000抗剪箍筋:343343343裂缝:0.030.030.03梁号35:跨长:2.088(m)，截面:B×H=0.300(m)×0.300(m)上中下弯矩:1.57-2.652.72剪力:-7.900.1810.48