高新西區(qū)馬河（天潤路-紅光支渠）改造及景觀提升人行橋1-16m坦拱計(jì)算結(jié)果

高新西區(qū)馬河（天潤路-紅光支渠）改造及景觀提升人行橋1-16m坦拱計(jì)算結(jié)果主要規(guī)范《城市橋梁設(shè)計(jì)規(guī)范》（CJJ11-2011）2019版本《公路工程技術(shù)標(biāo)準(zhǔn)》(JTGB01-2014)《公路橋涵設(shè)計(jì)通用規(guī)范》(JTGD60-2015)《公路鋼筋混凝土及預(yù)應(yīng)力混凝土橋涵設(shè)計(jì)規(guī)范》(JTG3362-2018)技術(shù)標(biāo)準(zhǔn)計(jì)算程序：橋博4.4.1設(shè)計(jì)安全等級：一級橋梁重要性系數(shù)：1.1荷載等級：按人群荷載5Kpa設(shè)計(jì)橋梁設(shè)計(jì)要點(diǎn)1、本通用圖的結(jié)構(gòu)體系為鋼箱梁坦拱結(jié)構(gòu)，按鋼構(gòu)件設(shè)計(jì)。2、設(shè)計(jì)計(jì)算采用空間桿系結(jié)構(gòu)計(jì)算軟件計(jì)算3、設(shè)計(jì)參數(shù)（1）混凝土：重力密度γ=26.0KN/m3，彈性模量為E=3.45x104MPa。（2）豎向梯度溫度效應(yīng)：按《公路鋼筋混凝土及預(yù)應(yīng)力混凝土橋涵設(shè)計(jì)規(guī)范》3362-2018規(guī)定取值。模型概述模型信息全橋計(jì)算模型簡圖主要構(gòu)件一欄表構(gòu)件名稱構(gòu)件類型驗(yàn)算類型節(jié)點(diǎn)數(shù)自重系數(shù)坦拱梁鋼結(jié)構(gòu)171.4坦拱計(jì)算結(jié)果強(qiáng)度驗(yàn)算彎曲正應(yīng)力驗(yàn)算根據(jù)《公路鋼結(jié)構(gòu)橋梁設(shè)計(jì)規(guī)范》(JTGD64-2015)第5.3.1條第1款的規(guī)定，橋梁鋼結(jié)構(gòu)構(gòu)件翼緣板的彎曲正應(yīng)力應(yīng)滿足下式要求：γ上緣正應(yīng)力驗(yàn)算上緣最大最小彎曲正應(yīng)力驗(yàn)算表單元節(jié)點(diǎn)號上緣σmax容許值[σmax]上緣σmax是否通過上緣σmin容許值[σmin]上緣σmin是否通過(MPa)(Mpa)(Mpa)(Mpa)1L133.83275.00是-62.63-275.00是2118.09275.00是-42.79-275.00是22118.21275.00是-42.96-275.00是3103.27275.00是-27.50-275.00是33103.39275.00是-27.63-275.00是489.93275.00是-16.25-275.00是4490.05275.00是-16.34-275.00是596.32285.00是-13.09-285.00是5596.41285.00是-13.18-285.00是689.93285.00是-10.27-285.00是6689.86285.00是-10.23-285.00是794.29285.00是-14.18-285.00是7794.24285.00是-14.15-285.00是896.95285.00是-17.13-285.00是8896.92285.00是-17.10-285.00是998.00285.00是-18.17-285.00是9997.99285.00是-18.17-285.00是1097.51285.00是-16.69-285.00是101097.53285.00是-16.72-285.00是1195.38285.00是-13.36-285.00是111195.43285.00是-13.40-285.00是1291.50285.00是-9.13-285.00是121291.57285.00是-9.18-285.00是1398.19285.00是-11.81-285.00是131398.06285.00是-11.71-285.00是1491.25275.00是-15.63-275.00是141491.17275.00是-15.54-275.00是15103.81275.00是-27.40-275.00是1515103.70275.00是-27.26-275.00是16117.51275.00是-43.42-275.00是1616117.39275.00是-43.24-275.00是R84.79275.00是-61.81-275.00是下緣正應(yīng)力驗(yàn)算下緣彎曲正應(yīng)力包絡(luò)圖下緣最大最小彎曲正應(yīng)力驗(yàn)算表單元節(jié)點(diǎn)號下緣σmax容許值[σmax]下緣σmax是否通過下緣σmin容許值[σmin]下緣σmin是否通過(Mpa)(Mpa)(Mpa)(Mpa)1L89.52275.00是-55.81-275.00是258.46275.00是-46.01-275.00是2258.18275.00是-45.94-275.00是335.63275.00是-36.30-275.00是3335.43275.00是-36.22-275.00是429.15275.00是-32.50-275.00是4429.22275.00是-32.56-275.00是545.78285.00是-52.74-285.00是5545.94285.00是-52.80-285.00是655.61285.00是-56.92-285.00是6655.71285.00是-56.96-285.00是762.44285.00是-59.70-285.00是7762.50285.00是-59.73-285.00是866.44285.00是-61.33-285.00是8866.47285.00是-61.35-285.00是967.59285.00是-61.99-285.00是9967.59285.00是-61.99-285.00是1065.87285.00是-61.75-285.00是101065.83285.00是-61.74-285.00是1161.34285.00是-60.51-285.00是111161.26285.00是-60.49-285.00是1254.06285.00是-58.08-285.00是121253.96285.00是-58.03-285.00是1344.14285.00是-54.17-285.00是131344.02285.00是-54.11-285.00是1428.06275.00是-33.22-275.00是141427.97275.00是-33.16-275.00是1535.14275.00是-36.38-275.00是151535.34275.00是-36.45-275.00是1659.13275.00是-45.42-275.00是161659.43275.00是-45.49-275.00是R57.86275.00是-51.51-275.00是剪應(yīng)力驗(yàn)算根據(jù)《公路鋼結(jié)構(gòu)橋梁設(shè)計(jì)規(guī)范》(JTGD64-2015)第5.3.1條第2款的規(guī)定，橋梁鋼結(jié)構(gòu)構(gòu)件腹板剪應(yīng)力應(yīng)滿足下式要求：γ剪應(yīng)力驗(yàn)算包絡(luò)圖剪應(yīng)力驗(yàn)算表單元節(jié)點(diǎn)號最大剪應(yīng)力τmax容許值[τmax]τmax是否通過最小剪應(yīng)力τmin容許值[τmin]τmin是否通過(Mpa)(Mpa)(Mpa)(Mpa)1L67.60160.00是-34.62-160.00是256.90160.00是-43.73-160.00是2254.81160.00是-34.54-160.00是345.85160.00是-42.13-160.00是3343.59160.00是-32.83-160.00是436.38160.00是-38.92-160.00是4433.97160.00是-29.42-160.00是528.52165.00是-33.41-165.00是5526.07165.00是-24.01-165.00是622.24165.00是-27.24-165.00是6619.68165.00是-17.60-165.00是716.09165.00是-20.71-165.00是7713.40165.00是-10.90-165.00是810.07165.00是-13.89-165.00是887.49165.00是-3.91-165.00是94.30165.00是-6.80-165.00是997.82165.00是-3.38-165.00是104.80165.00是-6.50-165.00是101014.87165.00是-9.18-165.00是1111.70165.00是-12.52-165.00是111121.55165.00是-15.25-165.00是1218.25165.00是-18.96-165.00是121227.89165.00是-21.53-165.00是1323.95165.00是-26.14-165.00是131333.35165.00是-28.58-165.00是1428.26160.00是-35.23-160.00是141437.78160.00是-37.62-160.00是1530.92160.00是-45.69-160.00是151540.24160.00是-47.92-160.00是1632.19160.00是-57.40-160.00是161641.41160.00是-59.45-160.00是R32.15160.00是-70.32-160.00是折算應(yīng)力驗(yàn)算根據(jù)《公路鋼結(jié)構(gòu)橋梁設(shè)計(jì)規(guī)范》(JTGD64-2015)第5.3.1條第4款的規(guī)定，受彎實(shí)腹式構(gòu)件腹板在正應(yīng)力σx和剪應(yīng)力τγ折算應(yīng)力包絡(luò)圖折算應(yīng)力驗(yàn)算表單元節(jié)點(diǎn)號對應(yīng)正應(yīng)力對應(yīng)剪應(yīng)力最大折算應(yīng)力折算應(yīng)力容許值是否通過(Mpa)(Mpa)(Mpa)(Mpa)1L86.6256.52130.16275.00是280.14-36.71102.19285.00是2257.6945.8397.64275.00是362.59-35.3787.46285.00是3381.91-081.91275.00是460.25-25.5874.71285.00是4468.43068.43275.00是564.59-19.5972.92285.00是5569.66069.66285.00是686.59-086.59285.00是6686.59-086.59285.00是789.90-089.90285.00是7789.90-089.90285.00是892.65-092.65285.00是8892.65-092.65285.00是993.74-093.74285.00是9993.74093.74285.00是1093.24093.24285.00是101093.24093.24285.00是1191.05091.05285.00是111191.05091.05285.00是1288.23-088.23285.00是121288.23-088.23285.00是1371.54-071.54285.00是131366.4119.7074.62285.00是1469.61069.61275.00是141461.3624.4774.51285.00是1582.25082.25275.00是151562.9233.7885.81285.00是1658.49-48.00101.13275.00是161657.96-49.71103.25275.00是R-7.92-70.32121.71285.00是腹板穩(wěn)定系數(shù)驗(yàn)算根據(jù)《公路鋼結(jié)構(gòu)橋梁設(shè)計(jì)規(guī)范》(JTGD64-2015)第5.3.3條第2款的規(guī)定，腹板的穩(wěn)定應(yīng)滿足規(guī)范要求。腹板穩(wěn)定系數(shù)圖腹板穩(wěn)定系數(shù)表腹板穩(wěn)定性驗(yàn)算單元截面位置腹板穩(wěn)定驗(yàn)算系數(shù)容許值是否滿足1L0.011.00是201.00是2201.00是301.00是3301.00是401.00是4401.00是501.00是5501.00是601.00是6601.00是701.00是7701.00是801.00是8801.00是901.00是9901.00是1001.00是101001.00是1101.00是111101.00是1201.00是121201.00是1301.00