剖面樁錨計(jì)算書(shū)

2-2剖面樁錨計(jì)算書(shū)----------------------------------------------------------------------[支護(hù)方案]----------------------------------------------------------------------排樁支護(hù)----------------------------------------------------------------------[基本信息]----------------------------------------------------------------------內(nèi)力計(jì)算方法增量法規(guī)范與規(guī)程《建筑基坑支護(hù)護(hù)技術(shù)規(guī)程程》JGJJ1200-99基坑等級(jí)二級(jí)基坑側(cè)壁重要性性系數(shù)γ01.00基坑深度H(mm)12.500嵌固深度(m))5.000樁頂標(biāo)高(m))-3.000樁截面類型圓形└樁直徑(m)1.000樁間距(m)1.500混凝土強(qiáng)度等級(jí)級(jí)C25有無(wú)冠梁有├冠梁寬度(m))1.100├冠梁高度(m))0.600└水平側(cè)向剛度((MN/mm)50.000放坡級(jí)數(shù)1超載個(gè)數(shù)1支護(hù)結(jié)構(gòu)上的水水平集中力力0----------------------------------------------------------------------[放坡信息]----------------------------------------------------------------------坡號(hào)臺(tái)寬(m)坡高(m)坡度系數(shù)10.0003.0000.300----------------------------------------------------------------------[超載信息]----------------------------------------------------------------------超載類型超載值作用深度作用寬度距坑邊距形式長(zhǎng)度序號(hào)(kPa,kN//m)(m)(m)(m)(m)135.0000.00015.0001.200----------------------------------------------------------------------------[附加水平力信息]----------------------------------------------------------------------水平力作用類型水平力值作用深度是否參與是否參與序號(hào)(kN)(m)傾覆穩(wěn)定整體穩(wěn)定----------------------------------------------------------------------[土層信息]----------------------------------------------------------------------土層數(shù)6坑內(nèi)加固土否內(nèi)側(cè)降水最終深深度(m)13.000外側(cè)水位深度((m)13.000內(nèi)側(cè)水位是否隨隨開(kāi)挖過(guò)程程變化否內(nèi)側(cè)水位距開(kāi)挖挖面距離(m)---彈性計(jì)算方法按按土層指定定ㄨ彈性法計(jì)算方法法m法----------------------------------------------------------------------[土層參數(shù)]----------------------------------------------------------------------層號(hào)土類名稱層厚重度浮重度粘聚力內(nèi)摩擦角(m)(kN/m3)(kN/m3)(kPa)(度)1雜填土2.9719.0---0.0010.002粉土4.5018.8---25.0017.103粉土4.2118.7---25.9018.204細(xì)砂5.3720.010.00.0030.005粉土4.4318.810.0------6細(xì)砂4.1820.010.0------層號(hào)與錨固體摩粘聚力內(nèi)摩擦角水土計(jì)算方法m,c,K值抗剪強(qiáng)度擦阻力(kPaa)水下(kPa)水下(度)(kPa)118.0---------m法1.00---260.0---------m法6.64---360.0---------m法7.39---472.016.0021.00分算m法15.00---560.020.0012.00合算m法4.00---672.016.0021.00分算m法4.00-------------------------------------------------------------------------[支錨信息]----------------------------------------------------------------------支錨道數(shù)3支錨支錨類型水平間距豎向間距入射角總長(zhǎng)錨固段道號(hào)(m)(m)(°)(m)長(zhǎng)度(m)1錨索1.5003.30015.0024.0016.002錨索1.5003.00015.0022.0015.003錨索1.5003.00015.0020.0015.00支錨預(yù)加力支錨剛度錨固體工況錨固力材料抗力材料抗力道號(hào)(kN)(MN/m)直徑(mm)號(hào)調(diào)整系數(shù)(kN)調(diào)整系數(shù)1200.008.751502～1.00554.401.002200.009.951504～1.00554.401.003200.0013.451506～1.00554.401.00----------------------------------------------------------------------[土壓力模型及系數(shù)調(diào)整]---------------------------------------------------------------------- 彈性法土壓力模型: 經(jīng)典法土壓力模型:層號(hào)土類名稱水土水壓力主動(dòng)土壓力被動(dòng)土壓力被動(dòng)土壓力調(diào)整系數(shù)調(diào)整系數(shù)調(diào)整系數(shù)最大值(kPaa)1雜填土分算1.0001.0001.00010000.00002粉土分算1.0001.0001.00010000.00003粉土合算1.0001.0001.00010000.00004細(xì)砂分算1.0001.0001.00010000.00005粉土合算1.0001.0001.00010000.00006細(xì)砂分算1.0001.0001.00010000.0000----------------------------------------------------------------------[工況信息]----------------------------------------------------------------------工況工況深度支錨號(hào)類型(m)道號(hào)1開(kāi)挖3.800---2加撐---1.錨索3開(kāi)挖6.800---4加撐---2.錨索5開(kāi)挖9.800---6加撐---3.錨索7開(kāi)挖12.500-------------------------------------------------------------------------[設(shè)計(jì)結(jié)果]--------------------------------------------------------------------------------------------------------------------------------------------[結(jié)構(gòu)計(jì)算]----------------------------------------------------------------------各工況：內(nèi)力位移包絡(luò)圖：地表沉降圖：----------------------------------------------------------------------[冠梁選筋結(jié)果]----------------------------------------------------------------------鋼筋級(jí)別選筋A(yù)s1HRB3353D20As2HRB3352D20As3HPB235D6.5@2000----------------------------------------------------------------------[截面計(jì)算]----------------------------------------------------------------------[截面參數(shù)]樁是否均勻配筋筋是混凝土保護(hù)層厚厚度(mm)50樁的縱筋級(jí)別HRB335樁的螺旋箍筋級(jí)級(jí)別HPB235樁的螺旋箍筋間間距(mm)200彎矩折減系數(shù)0.85剪力折減系數(shù)1.00荷載分項(xiàng)系數(shù)1.25配筋分段數(shù)一段各分段長(zhǎng)度(mm)14.50[內(nèi)力取值]段內(nèi)力類型彈性法經(jīng)典法內(nèi)力內(nèi)力號(hào)計(jì)算值計(jì)算值設(shè)計(jì)值實(shí)用值基坑內(nèi)側(cè)最大彎彎矩(kN.mm)770.64447.23475.18475.181基坑外側(cè)最大彎彎矩(kN.mm)183.07473.05502.61502.61最大剪力(kNN)309.04288.88361.10361.10段選筋類型級(jí)別鋼筋實(shí)配[計(jì)算]面積號(hào)實(shí)配值(mm2或mmm2/m))1縱筋HRB33518D224842[47112]箍筋HPB235D6.5@20001203[11136]加強(qiáng)箍筋HRB335D16@20000201----------------------------------------------------------------------[錨桿計(jì)算]----------------------------------------------------------------------[錨桿參數(shù)]錨桿鋼筋級(jí)別HRB400錨索材料強(qiáng)度設(shè)設(shè)計(jì)值(MPa))1320.0000錨索采用鋼絞線線種類1×7錨桿材料彈性模模量(×105MPaa)2.000錨索材料彈性模模量(×105MPaa)1.950注漿體彈性模量量(×104MPa))3.000土與錨固體粘結(jié)結(jié)強(qiáng)度分項(xiàng)項(xiàng)系數(shù)1.300錨桿荷載分項(xiàng)系系數(shù)1.250[錨桿內(nèi)力]支錨道號(hào)錨桿最大內(nèi)力錨桿最大內(nèi)力錨桿內(nèi)力錨桿內(nèi)力彈性法(kN))經(jīng)典法(kN))設(shè)計(jì)值(kN))實(shí)用值(kN))1224.53160.01475.02475.022272.67199.20449.00449.003273.20409.21411.51411.51[錨桿自由段長(zhǎng)度計(jì)算簡(jiǎn)圖]支錨道號(hào)支錨類型鋼筋或自由段長(zhǎng)度錨固段長(zhǎng)度實(shí)配[計(jì)算]面積錨桿剛度鋼絞線配筋實(shí)用值(m)實(shí)用值(m)(mm2)(MN/m)1錨索3s15.28.016.0420.0[3358.88]8.752錨索3s15.27.015.0420.0[3395.33]9.953錨索3s15.25.015.0420.0[4401.22]13.45-----------------