体育场钢结构罩棚施工附录

12.1最危险分块吊装就位计算 112.2极端情况支座反力 312.2.1极端节点支座失效支座内力 412.2.2节点（A18A）支座失效支座内力 512.2.3节点（A14A）支座失效支座内力 512.3施工过程中最大支座反力位置计算及混凝土结构计算 612.4卸载过程计算 1012.4.1计算模型 1012.4.2卸载过程验算 1112.4.3结构变形 1512.4.4构件应力 1912.4.5小结 2512.1最危险分块吊装就位计算（1）三维模型图12-1-1（2）应变图12-1-2（3）应力比图12-1-312.2极端情况支座反力图12-2-1支座编号图12-2-2施工模拟去除临时支撑1时临时支撑2支座反力12.2.1极端节点支座失效支座内力图12-2-1（单节点A18A失效）支座内力应力比（小于0.2没有显示）12.2.2节点（A18A）支座失效支座内力图12-2-2（单节点失效计算）支座内力应力比（小于0.2没有显示）12.2.3节点（A14A）支座失效支座内力图12-2-3-1（单节点A14A失效）支座内力图12-2-3-2应力比（小于0.2没有显示）12.3施工过程中最大支座反力位置计算及混凝土结构计算选择最不利的施工、卸载情况，对混凝土结构进行验算，具体计算如下：图12-3-1大支座三维模型图12-3-2最大反力是结构计算截面图12-3-3恒荷载（考虑偏心，水平作用1KN荷载）图12-3-4考虑风荷载图12-3-5应力比图12-3-6支座反力混凝土局部计算500x500X14.3/1000=3575KN>220*2=440KN满足要求。12.4卸载过程计算12.4.1计算模型采用Sap2000进行结构建模，模型如REF_Ref66457063\h图9.1所示。桁架杆件采用梁单元模拟，支撑采用GAP单元模拟，GAP单元设置为只压不拉；约束支座处对应节点各向平动自由度；通过GAP单元下节点发生强迫位移模拟卸载过程，与卸载方案对应，每级发生10mm节点位移，达到卸载总量后删除对应GAP单元，模拟支撑移除。GAP单元的轴向刚度等于支撑的轴向刚度；利用支撑模型计算得到支撑1#的轴向刚度为1.23×104mm/N，支撑2#的轴向刚度为1.16×104mm/N。表12-4-1-1荷载工况序号编号荷载名称说明1DL恒荷载(D)软件自动考虑2Wx+风荷载(WX)基本风压0.22kN/m2《重型结构和设备整体提升技术规范》（GB51162-2016）3.0.53Wy+风荷载(WY)表12-4-1-2荷载组合序号说明组合C01标准组合1.0恒载DL+1.0风荷载Wx+C02标准组合1.0恒载DL+1.0风荷载Wy+F01基本组合1.2恒载DL+1.4风荷载Wx+F02基本组合1.2恒载DL+1.4风荷载Wy+12.4.2卸载过程验算（1）支撑点位移表12-4-2-1各支撑上支撑点卸载过程竖向位移包络值C01组合（mm）定位轴线支撑1#支撑2#定位轴线支撑1#支撑2#1~2轴8.3047.5537~38轴4.1019.812~3轴8.0046.3938~39轴4.1620.353~4轴7.5444.5639~40轴4.3621.214~5轴7.2142.3040~41轴4.7422.235~6轴6.6638.9441~42轴4.9022.806~7轴5.8834.8942~43轴5.1823.207~8轴5.4031.1243~44轴5.5323.418~9轴5.1328.0844~45轴5.7623.439~10轴5.0125.3745~46轴5.7223.2210~11轴4.9423.0646~47轴5.3822.6711~12轴4.9521.1647~48轴4.1721.8512~13轴4.5919.6748~49轴3.7820.8513~14轴4.6618.3749~50轴3.5019.6814~15轴4.6817.2450~51轴3.3418.6515~16轴4.4516.3051~52轴3.1817.4616~17轴4.1915.6252~53轴3.2716.3817~18轴3.9215.2953~54轴3.5115.6118~19轴3.7115.2554~55轴3.7115.2619~20轴3.5115.6155~56轴3.9215.2920~21轴3.2716.3856~57轴4.1915.6221~22轴3.1817.4557~58轴4.4516.3022~23轴3.3418.6558~59轴4.6817.2423~24轴3.5019.6859~60轴4.6618.3724~25轴3.7820.8460~61轴4.6019.6725~26轴4.1621.8161~62轴4.9521.1226~27轴5.3622.5462~63轴4.9422.9027~28轴5.7023.0763~64轴5.0125.2128~29轴5.7323.2664~65轴5.1327.9229~30轴5.5023.2165~66轴5.4030.9430~31轴5.1723.1366~67轴5.8834.7331~32轴4.8922.7267~68轴6.6538.8332~33轴4.7122.1268~69轴7.2142.2133~34轴4.3521.0769~70轴7.5244.3434~35轴4.1720.2270~71轴7.9746.0635~36轴4.0919.7471~72轴8.2847.3336~37轴4.0619.5872~1轴8.4147.86表12-4-2-2各支撑上支撑点卸载过程竖向位移包络值C02组合（mm）定位轴线支撑1#支撑2#定位轴线支撑1#支撑2#1~2轴8.1144.7837~38轴4.3823.472~3轴7.8643.9338~39轴4.4523.783~4轴7.4542.5039~40轴4.6724.284~5轴7.1440.8340~41轴5.0524.855~6轴6.6438.1741~42轴5.2024.816~7轴5.8734.6242~43轴5.4824.717~8轴5.3831.1843~44轴5.7824.418~9轴5.1028.3644~45轴5.9324.039~10轴4.9525.8345~46轴5.7823.4410~11轴4.8723.6746~47轴5.3622.5511~12轴4.8621.9247~48轴4.1221.4312~13轴4.4620.6248~49轴3.7420.0813~14轴4.4819.5449~50轴3.4918.6114~15轴4.4118.6050~51轴3.4017.1415~16轴4.1617.8251~52轴3.3015.7616~17轴3.9517.1852~53轴3.4214.5517~18轴3.7716.8053~54轴3.6713.7018~19轴3.6116.6954~55轴3.8513.2619~20轴3.4717.0155~56轴4.0613.1920~21轴3.2817.8256~57轴4.3513.3921~22轴3.2319.0357~58轴4.6713.9122~23轴3.4420.4558~59轴4.9914.6423~24轴3.6621.8459~60轴5.0615.5424~25轴4.0223.3560~61轴5.0716.6125~26轴4.5024.6761~62轴5.3317.8426~27轴5.9625.7162~63轴5.2919.4327~28轴6.4126.5663~64轴5.3021.5428~29轴6.5027.0264~65轴5.3424.1029~30轴6.2727.2065~66轴5.5227.0130~31轴5.8827.2466~67轴5.9030.7131~32轴5.4926.9567~68轴6.5834.8232~33轴5.2126.2768~69轴7.0938.3433~34轴4.7825.1769~70轴7.3040.6734~35轴4.5324.1870~71轴7.7442.6135~36轴4.4123.6271~72轴8.0544.1236~37轴4.3523.3972~1轴8.1944.85（2）支撑轴力表12-4-2-3各支撑卸载过程轴力包络值F01组合（kN）定位轴线支撑1#支撑2#定位轴线支撑1#支撑2#1~2轴69.13197.8237~38轴43.54103.812~3轴69.78218.7338~39轴44.60129.883~4轴68.86221.1239~40轴45.52141.134~5轴69.26221.3840~41轴47.60148.285~6轴66.65208.5641~42轴46.92149.076~7轴60.78187.9042~43轴46.23147.557~8轴57.61170.8943~44轴46.95146.678~9轴55.67160.1944~45轴47.76147.729~10轴54.59149.6245~46轴47.53147.7910~11轴53.99142.4846~47轴45.92146.5511~12轴53.44137.7947~48轴37.87145.0512~13轴50.55135.2348~49轴35.54141.3013~14轴49.52133.1749~50轴34.20137.3714~15轴47.96127.4850~51轴32.85132.6115~16轴43.52119.8451~52轴31.08125.8016~17轴39.68115.4752~53轴31.09119.1317~18轴36.48116.6653~54轴32.42117.0818~19轴34.36127.4454~55轴34.29127.3219~20轴32.66128.7055~56轴36.68128.0720~21轴31.06121.2656~57轴39.65117.5721~22轴31.04125.0757~58轴43.49119.1222~23轴32.84131.3058~59轴47.95126.1323~24轴34.21136.0359~60轴49.52131.8824~25轴35.55140.2060~61轴50.56134.1825~26轴37.88144.1361~62轴53.45136.9526~27轴45.93145.7562~63轴53.99141.8027~28轴47.53146.9963~64轴54.58149.0128~29轴47.75146.8064~65轴55.65159.5029~30轴46.94145.4865~66轴57.60170.0230~31轴46.21145.9766~67轴60.78186.7431~32轴46.88147.1767~68轴66.64207.0932~33轴47.44146.5568~69轴69.22219.6733~34轴45.51141.0169~70轴68.79220.0434~35轴44.87135.9370~71轴69.91222.9935~36轴44.58125.7671~72轴70.83221.7636~37轴43.40102.5972~1轴69.65200.11表12-4-2-4各支撑卸载过程轴力包络值F02组合（kN）定位轴线支撑1#支撑2#定位轴线支撑1#支撑2#1~2轴68.90185.9337~38轴45.30122.762~3轴69.91207.6038~39轴46.65148.113~4轴69.13210.8839~40轴47.85158.164~5轴69.28213.1040~41轴50.07163.695~6轴67.13204.1541~42轴49.58160.806~7轴61.03186.0342~43轴49.16156.837~8轴57.70170.4643~44轴49.74153.408~9轴55.44160.7644~45轴49.84152.219~10轴53.96151.2045~46轴48.43149.9910~11轴52.81145.0046~47轴45.93146.6511~12轴51.80141.3147~48轴37.61143.4612~13轴48.40139.9048~49轴35.56137.8713~14轴46.56139.5449~50轴34.71132.3214~15轴43.71135.3150~51轴34.35124.4415~16轴38.77128.7151~52轴33.41116.9316~17轴35.40124.7252~53轴34.02109.6817~18轴32.98125.6553~54轴35.68107.3618~19轴31.48136.1254~55轴37.63117.2219~20轴30.44137.2555~56轴40.19117.4020~21轴29.60130.0556~57轴43.68106.1021~22轴30.19134.6457~58轴48.37106.6622~23轴32.60141.9858~59轴54.07112.3923~24轴34.70148.7459~60轴56.61116.9424~25轴36.92154.3260~61轴58.27118.3625~26轴40.08159.8561~62轴60.56120.3126~27轴50.62162.8862~63轴60.54124.4727~28轴53.00165.5263~64轴60.36131.2328~29轴53.71166.6464~65轴60.45141.3129~30轴52.98166.4565~66轴61.27151.5630~31轴51.73167.7366~67轴63.25168.0231~32轴51.44169.6167~68轴68.06188.4832~33轴51.02167.7068~69轴70.34202.4433~34轴48.54161.6769~70轴68.57204.2334~35轴47.44156.1270~71轴69.52208.3235~36轴46.73145.6371~72轴70.42208.1136~37轴45.25122.0872~1轴69.28187.2812.4.3结构变形（1）C01组合图12-4-3-1卸载初态结构变形图12-4-3-2第1施工步结束结构变形包络图12-4-3-3第2施工步结束结构变形包络图12-4-3-4第3施工步结束结构变形包络图12-4-3-5第4施工步结束结构变形包络图12-4-3-6第5施工步结束结构变形包络图12-4-3-7第6施工步结束结构变形包络表12-4-3-1各施工步结构最大位移C01组合（mm）施工步初态123456最大位移19.820.429.838.647.356.864.0（2）C02组合图12-4-3-8卸载初态结构变形图12-4-3-9第1施工步结束结构变形包络图12-4-3-10第2施工步结束结构变形包络图12-4-3-11第3施工步结束结构变形包络图12-4-3-12第4施工步结束结构变形包络图12-4-3-13第5施工步结束结构变形包络图12-4-3-14第6施工步结束结构变形包络表12-4-3-2各