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1、————目錄————一、設(shè)計(jì)資料1.1設(shè)計(jì)數(shù)據(jù)資料··············································11.2結(jié)構(gòu)尺寸及示意圖··········································11.3重心計(jì)算··················································11.4計(jì)算半徑··················································2二、基本使用階段荷載計(jì)算2.1垂直荷載·····································
2、·············22.2均布荷載··················································22.3三角形側(cè)載················································22.4自重······················································22.5拱背荷載··················································22.6拱底反力············································
3、·····2三、管片配筋計(jì)算3.1材料選擇·················································43.2截面配筋計(jì)算1）截面設(shè)計(jì)-13-···············································42）截面復(fù)核···············································6一、管片接頭驗(yàn)算4.1負(fù)彎矩接頭················································74.2正彎矩接頭·································
4、···············8五、頂推力驗(yàn)算·············································9六、心得體會(huì)················································10七、設(shè)計(jì)規(guī)范················································11八、主要參考文獻(xiàn)··········································11九、上交材料················································11-13-盾構(gòu)管片課
5、程設(shè)計(jì)一、設(shè)計(jì)資料1.1設(shè)計(jì)數(shù)據(jù)資料管片外徑11.5m管片內(nèi)徑10.3m覆土深度20.1m土層容重14.1kN/m3飽和容重19.1kN/m3地下水位1.1m土層內(nèi)摩擦角17.1°土層粘聚力24kN/㎡1.2結(jié)構(gòu)尺寸及示意圖1.3重心計(jì)算教師評(píng)閱：-13-盾構(gòu)管片課程設(shè)計(jì)重心z=300mm1.4計(jì)算半徑r=5.15+0.3=5.45m二、基本使用階段荷載計(jì)算2.1垂直荷載q=1.1×1.41+（20.1-1.1）×（1.91-1）=18.84t/㎡2.2均布荷載p1=18.84×tan2（45-17.1/2）-2×2.4×tan（45-17.1/2）=6.73t/㎡2.3三角形側(cè)載p2=2
6、×5.45×tan2（45-17.1/2）×0.91=5.41t/㎡2.4自重g=2.6×0.6=1.56t/㎡2.5拱背荷載G=2（1-π/4）×5.452×0.91=11.62t/㎡2.6拱底反力Pr=18.84+1.56π+0.2146×5.45×0.91-π/2×5.45×1=16.24t/㎡計(jì)算的M和N見(jiàn)下表。彎矩M分布圖如下：教師評(píng)閱：-13-截面內(nèi)力自重q垂直直荷重q水壓W均布測(cè)壓p1≥測(cè)壓p2地層反力K拱背荷重G每米內(nèi)力0°M(t·m)23.17167.32-40.49-49.97-16.87-23.645.6078.14N（t）-4.25-10.88125.8336.68
7、9.239.38-1.19197.7615°M(t·m)20.82146.55-20.06-43.28-15.15-21.895.3586.81N（t）-3.53-3.63122.0834.228.919.06-1.13199.1830°M(t·m)14.1489.42-3.80-24.99-10.15-16.794.3562.62N（t）-1.4616.24119.1027.517.888.12-0.74207.184
