橋梁畢業(yè)設(shè)計(jì)1.1結(jié)構(gòu)設(shè)計(jì)

考試資料考試資料1結(jié)構(gòu)設(shè)計(jì)1.1方案比選1.1.1設(shè)計(jì)標(biāo)準(zhǔn)和規(guī)范設(shè)計(jì)標(biāo)準(zhǔn)1、線路等級(jí)：公路一級(jí)2、設(shè)計(jì)車速：60km/h3、橋面設(shè)計(jì)寬度：雙向四車道，兩側(cè)各設(shè)2.0m人行道，2m（人行道）+7m（車行道）+2m（分隔帶）+7m（車行道）+2m（人行道）=20m。4、橋面坡度：橋面橫向坡度1.5%，橋面縱坡0.7%。5、設(shè)計(jì)荷載：公路I級(jí)；人群荷載：3.0KN/m2。6、地震基本烈度：7度，設(shè)計(jì)基本地震加速值為0.10g。設(shè)計(jì)規(guī)范1、公路鋼筋混凝土與預(yù)應(yīng)力混凝土橋涵設(shè)計(jì)規(guī)范JTGD62-20042、公路橋涵設(shè)計(jì)通用規(guī)范JTGD60-20041.1.2方案比選概述赫章大橋處于云貴高原烏蒙山脈北段。地勢(shì)北高南低，屬構(gòu)造侵蝕剝蝕型河谷地貌。大橋跨越赫章后河。橋區(qū)植被不發(fā)育，主要為荒地。橋區(qū)附近海拔1490m--1810m，相對(duì)最大高差320m?，F(xiàn)對(duì)橋梁的形式進(jìn)行方案比選，比選原則如下：（1）安全與舒適性整個(gè)橋跨結(jié)構(gòu)及各部分構(gòu)件，在制造、運(yùn)輸、安裝和使用過程中應(yīng)具有足夠的強(qiáng)度、剛度、穩(wěn)定性和耐久性，以滿足橋梁安全性的要求?，F(xiàn)代橋梁設(shè)計(jì)越來重慶大學(xué)本科學(xué)生畢業(yè)設(shè)計(jì)（論文）重慶大學(xué)本科學(xué)生畢業(yè)設(shè)計(jì)（論文）第第#頁1161[139]3.132.6-1314.5-1571.346287.9744278.35左最大

正彎矩

截面J[9]0.670.17-101.55-352.1249407.5247047.89108I[9]1.650.52-101.55-352.1149407.5247047.89J[10]-5.05-6.141245999.4247718.7845065.7I[131]0.0626422.2926022.08-806651.07-814968.25左最大

負(fù)彎矩

截面J[31]0.0626870.6626466.38-832897.89-841551.431117I[31]J[132]I[140]26838.5726838.5726838.5126279.6626279.6626279.59-27968.87-28442.04-956791.98-969424.45-27524.6-27993.69-929043.5-941267-1.23-269.0884736.6880888.06中最大

正彎矩

截面J[54]I[54]54J[141]I[135]11226838.5126838.5126838.5126838.5726279.64133.92-133.9284763.8480914.7626279.6426279.5926279.66133.92269.0827993.69-133.9284763.8480914.761.2327524.684736.6880888.06-929043.51-941267.01右最大

負(fù)彎矩

截面J[77]I[77]77J[136]I[98]9826838.5726279.6628442.0427968.87-956791.99-969424.460.06-26466.38-26870.66-832897.88-841551.390.06-26022.08-26422.29-806651.06-814968.24-5.05-6.14-999.42-124547718.7845065.7右最大

正彎矩

截面J[99]I[99]99J[142]1.650.52352.11101.5549407.5247047.890.670.17352.12101.5549407.5247047.893.132.61571.31314.546287.9744278.35中跨L/8截面I[36]25980.5225409.65-21701.63-22091.23-529817.2-536743.2J[37]26029.6725459.29-20487.17-20865.37-466358.68-472521.78考試資料考試資料711[71]26029.6725459.2920865.3720487.17-466358.68-472521.79J[72]25980.5225409.6522091.2321701.63-529817.21-536743.21481[48]26717.0426155.63-7723.51-8011.3-2277.65-5134.02J[49]26733.3326172.12-6699.13-6981.5219816.9916810.88591[59]26733.3326172.126981.526699.1319816.9916810.88J[60]26717