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基本介紹

艾溪湖(hu)大橋(qiao)位于中國江(jiang)西(xi)省南昌市，西(xi)起北京東(dong)(dong)路，主(zhu)線以高架橋(qiao)型式由西(xi)往東(dong)(dong)跨過(guo)艾溪湖(hu)南路、艾溪湖(hu)和昌東(dong)(dong)大道(dao)，接艾溪湖(hu)南路交叉口和昌東(dong)(dong)大道(dao)交叉口簡易立交，東(dong)(dong)至(zhi)紫陽大道(dao)是南昌市東(dong)(dong)部的主(zhu)出入口。

建筑設計

建筑結構

整體布局

艾溪湖(hu)大橋分別(bie)由水上主橋、南北兩(liang)道引(yin)橋、拱肋、橋墩其立交(jiao)匝(za)道組(zu)成(cheng)，主橋路段呈(cheng)正(zheng)西至正(zheng)東方向布置。

設計理念

艾溪湖(hu)大橋采用外傾式拱(gong)(gong)橋作(zuo)為方案，以對(dui)稱(cheng)傾斜拱(gong)(gong)結構與橋外伸出(chu)的(de)半圓人(ren)行道等(deng)相(xiang)對(dui)，寓意“張開雙臂、擁抱(bao)藍天”，也象征南昌市美好的(de)未來與日同(tong)輝。

設計特點

艾溪湖大橋主橋為(wei)(wei)三(san)(san)跨(kua)(kua)(kua)(kua)連續外(wai)傾式(shi)(shi)思索面(mian)下(xia)(xia)城(cheng)市鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)系桿拱(gong)(gong)(gong)橋，上(shang)部結構(gou)(gou)(gou)三(san)(san)跨(kua)(kua)(kua)(kua)連續梁(liang)(liang)(liang)拱(gong)(gong)(gong)組合結構(gou)(gou)(gou)，中(zhong)(zhong)跨(kua)(kua)(kua)(kua)主體為(wei)(wei)外(wai)傾式(shi)(shi)四(si)索面(mian)下(xia)(xia)承式(shi)(shi)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)系桿拱(gong)(gong)(gong)橋；拱(gong)(gong)(gong)肋(lei)(lei)豎向為(wei)(wei)疊(die)拱(gong)(gong)(gong)形(xing)式(shi)(shi)，下(xia)(xia)層主拱(gong)(gong)(gong)肋(lei)(lei)為(wei)(wei)受(shou)力(li)拱(gong)(gong)(gong)，上(shang)層副拱(gong)(gong)(gong)肋(lei)(lei)為(wei)(wei)裝飾(shi)拱(gong)(gong)(gong)，兩拱(gong)(gong)(gong)間以(yi)聯系件連接(jie)。拱(gong)(gong)(gong)肋(lei)(lei)為(wei)(wei)矩形(xing)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)結構(gou)(gou)(gou)，拱(gong)(gong)(gong)腳底(di)(di)(di)與鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)梁(liang)(liang)(liang)頂(ding)(ding)(ding)面(mian)齊(qi)平(ping)并由(you)高強螺栓連接(jie)在墩(dun)(dun)頂(ding)(ding)(ding)中(zhong)(zhong)橫(heng)(heng)梁(liang)(liang)(liang)上(shang)，拱(gong)(gong)(gong)肋(lei)(lei)內設鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)加勁肋(lei)(lei)。拱(gong)(gong)(gong)肋(lei)(lei)外(wai)露面(mian)采(cai)用(yong)(yong)(yong)裝飾(shi)涂(tu)料(liao)，顏色(se)采(cai)用(yong)(yong)(yong)突出江(jiang)西革命文(wen)化特色(se)的(de)(de)(de)中(zhong)(zhong)國紅涂(tu)刷(shua)涂(tu)料(liao)前(qian)必(bi)須對拱(gong)(gong)(gong)肋(lei)(lei)表面(mian)進行(xing)(xing)除(chu)銹處(chu)理，以(yi)保證涂(tu)料(liao)的(de)(de)(de)耐久性。橋面(mian)系為(wei)(wei)三(san)(san)跨(kua)(kua)(kua)(kua)連續鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)梁(liang)(liang)(liang)結構(gou)(gou)(gou)，主跨(kua)(kua)(kua)(kua)橫(heng)(heng)向由(you)三(san)(san)個鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)組成(cheng)，即中(zhong)(zhong)間為(wei)(wei)車(che)(che)行(xing)(xing)道(dao)(dao)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)、兩側為(wei)(wei)人行(xing)(xing)道(dao)(dao)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)。車(che)(che)行(xing)(xing)道(dao)(dao)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)與人行(xing)(xing)道(dao)(dao)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)間通(tong)過鏤空(kong)梁(liang)(liang)(liang)連接(jie)；鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)梁(liang)(liang)(liang)底(di)(di)(di)面(mian)無橫(heng)(heng)坡，頂(ding)(ding)(ding)面(mian)橫(heng)(heng)坡與道(dao)(dao)路(lu)一(yi)致。中(zhong)(zhong)跨(kua)(kua)(kua)(kua)車(che)(che)行(xing)(xing)道(dao)(dao)鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)有五道(dao)(dao)縱(zong)向腹板(ban)(ban)(ban)，邊跨(kua)(kua)(kua)(kua)車(che)(che)行(xing)(xing)道(dao)(dao)縱(zong)向腹板(ban)(ban)(ban)有九道(dao)(dao)，鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)梁(liang)(liang)(liang)頂(ding)(ding)(ding)板(ban)(ban)(ban)采(cai)用(yong)(yong)(yong)帶U肋(lei)(lei)的(de)(de)(de)正交異性板(ban)(ban)(ban)結構(gou)(gou)(gou)，U肋(lei)(lei)為(wei)(wei)梯形(xing)閉口肋(lei)(lei)，鋼(gang)(gang)(gang)(gang)箱(xiang)(xiang)(xiang)(xiang)梁(liang)(liang)(liang)底(di)(di)(di)板(ban)(ban)(ban)采(cai)用(yong)(yong)(yong)帶平(ping)鋼(gang)(gang)(gang)(gang)板(ban)(ban)(ban)肋(lei)(lei)的(de)(de)(de)正交異性板(ban)(ban)(ban)結構(gou)(gou)(gou)，在主跨(kua)(kua)(kua)(kua)車(che)(che)行(xing)(xing)道(dao)(dao)鋼(gang)(gang)(gang)(gang)梁(liang)(liang)(liang)內、拱(gong)(gong)(gong)腳處(chu)布置(zhi)有4組用(yong)(yong)(yong)于平(ping)衡拱(gong)(gong)(gong)腳水平(ping)推力(li)的(de)(de)(de)系桿，系桿均采(cai)用(yong)(yong)(yong)環氧(yang)噴涂(tu)非(fei)集束鋼(gang)(gang)(gang)(gang)絞線(xian)形(xing)式(shi)(shi)，采(cai)用(yong)(yong)(yong)非(fei)集束形(xing)式(shi)(shi)布置(zhi)，每組鋼(gang)(gang)(gang)(gang)絞線(xian)外(wai)再增設PE防護(hu)(hu)(hu)套；鋼(gang)(gang)(gang)(gang)絞線(xian)采(cai)用(yong)(yong)(yong)單根(gen)雙向張拉工藝，錨(mao)墊板(ban)(ban)(ban)下(xia)(xia)設置(zhi)糾偏裝置(zhi)，錨(mao)頭(tou)防護(hu)(hu)(hu)參(can)照可換(huan)式(shi)(shi)鋼(gang)(gang)(gang)(gang)絞線(xian)系桿的(de)(de)(de)保護(hu)(hu)(hu)罩構(gou)(gou)(gou)造(zao)。主橋橋墩(dun)(dun)采(cai)用(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)筋混凝(ning)(ning)土(tu)方(fang)形(xing)柱身、鋼(gang)(gang)(gang)(gang)筋混凝(ning)(ning)土(tu)承臺、鉆孔灌注樁基礎，一(yi)個主墩(dun)(dun)以(yi)道(dao)(dao)路(lu)中(zhong)(zhong)心線(xian)為(wei)(wei)界分成(cheng)左(zuo)右兩個橋墩(dun)(dun)。

設計參數

艾溪(xi)湖大(da)橋(qiao)(qiao)線(xian)(xian)路長2.54千米(mi)(mi)(mi)(mi)(mi)，橋(qiao)(qiao)梁(liang)全長1.54千米(mi)(mi)(mi)(mi)(mi)，水(shui)上主(zhu)(zhu)橋(qiao)(qiao)總長168米(mi)(mi)(mi)(mi)(mi) ，橋(qiao)(qiao)寬41米(mi)(mi)(mi)(mi)(mi)，其中(zhong)(zhong)(zhong)(zhong)，非(fei)機動車(che)道(dao)(dao)3.5米(mi)(mi)(mi)(mi)(mi)，人行(xing)道(dao)(dao)5.0米(mi)(mi)(mi)(mi)(mi)；全橋(qiao)(qiao)處在半徑10000米(mi)(mi)(mi)(mi)(mi)的(de)豎曲線(xian)(xian)內(nei)，拱(gong)(gong)平(ping)面向外(wai)傾(qing)斜比例(li)1:3，主(zhu)(zhu)拱(gong)(gong)圈在豎直平(ping)面內(nei)投影高(gao)(gao)(gao)度(du)為(wei)39米(mi)(mi)(mi)(mi)(mi)，裝飾拱(gong)(gong)圈在最高(gao)(gao)(gao)點比主(zhu)(zhu)拱(gong)(gong)圈高(gao)(gao)(gao)7米(mi)(mi)(mi)(mi)(mi)，主(zhu)(zhu)拱(gong)(gong)肋寬自(zi)拱(gong)(gong)冠至(zhi)拱(gong)(gong)底由(you)1.5米(mi)(mi)(mi)(mi)(mi)至(zhi)2.5米(mi)(mi)(mi)(mi)(mi)線(xian)(xian)性變化，截面高(gao)(gao)(gao)度(du)自(zi)拱(gong)(gong)冠至(zhi)拱(gong)(gong)底由(you)1.3米(mi)(mi)(mi)(mi)(mi)至(zhi)2.0米(mi)(mi)(mi)(mi)(mi)，車(che)行(xing)道(dao)(dao)鋼(gang)(gang)(gang)箱(xiang)梁(liang)高(gao)(gao)(gao)度(du)由(you)道(dao)(dao)路中(zhong)(zhong)(zhong)(zhong)心(xin)線(xian)(xian)處2米(mi)(mi)(mi)(mi)(mi)漸(jian)變到(dao)車(che)行(xing)道(dao)(dao)邊線(xian)(xian)位(wei)置的(de)1.59米(mi)(mi)(mi)(mi)(mi)，人行(xing)道(dao)(dao)鋼(gang)(gang)(gang)箱(xiang)梁(liang)高(gao)(gao)(gao)為(wei)1.59米(mi)(mi)(mi)(mi)(mi)，中(zhong)(zhong)(zhong)(zhong)跨(kua)車(che)行(xing)道(dao)(dao)鋼(gang)(gang)(gang)箱(xiang)五道(dao)(dao)縱向腹(fu)板(ban)(ban)，分(fen)別在道(dao)(dao)路中(zhong)(zhong)(zhong)(zhong)心(xin)線(xian)(xian)及距中(zhong)(zhong)(zhong)(zhong)心(xin)線(xian)(xian)9.92米(mi)(mi)(mi)(mi)(mi)、20.5米(mi)(mi)(mi)(mi)(mi)位(wei)置，厚度(du)為(wei)14毫(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)；邊跨(kua)車(che)行(xing)道(dao)(dao)縱向腹(fu)板(ban)(ban)有九道(dao)(dao)，間距4.96至(zhi)5.62米(mi)(mi)(mi)(mi)(mi)。鋼(gang)(gang)(gang)箱(xiang)梁(liang)頂(ding)板(ban)(ban)厚度(du)為(wei)16毫(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)，局部頂(ding)板(ban)(ban)加(jia)厚至(zhi)30毫(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)，U肋用8毫(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)厚的(de)鋼(gang)(gang)(gang)板(ban)(ban)冷(leng)彎成(cheng)形，鋼(gang)(gang)(gang)箱(xiang)梁(liang)底板(ban)(ban)厚14毫(hao)(hao)(hao)米(mi)(mi)(mi)(mi)(mi)。一個主(zhu)(zhu)墩(dun)以(yi)道(dao)(dao)路中(zhong)(zhong)(zhong)(zhong)心(xin)線(xian)(xian)為(wei)界(jie)分(fen)成(cheng)左右2個橋(qiao)(qiao)墩(dun)，每(mei)個橋(qiao)(qiao)墩(dun)由(you)2個2.5米(mi)(mi)(mi)(mi)(mi)×2.0米(mi)(mi)(mi)(mi)(mi)方柱組(zu)成(cheng)，2個方柱下設承臺，承臺下為(wei)雙排8根直徑1.5米(mi)(mi)(mi)(mi)(mi)樁(zhuang)基，承臺厚度(du)2.0米(mi)(mi)(mi)(mi)(mi)。

技術標準

道路等級 城市快(kuai)速路

設計基(ji)準 100年

車道設置 雙向六車道

設計速度 60千米/小時

縱坡系數(shu) 0.5%（橋(qiao)面）

荷(he)載(zai)標(biao)準(zhun) 公路-Ⅰ級，人群：3.1千牛(niu)/平方米，路面：BZZ-100千牛(niu)

設計風速 27.2米/秒(miao)

日照溫差 溫差效(xiao)應遵(zun)照《公路橋涵設計通用規范》

抗震等級 Ⅵ度

通(tong)航(hang)標準 橋下凈(jing)空大于2.5米(mi)

環境類別 Ⅰ類

功能價值

艾溪湖(hu)大橋的建設不僅是(shi)(shi)城(cheng)(cheng)市(shi)交通發(fa)(fa)展(zhan)的需要也是(shi)(shi)實施省市(shi)發(fa)(fa)展(zhan)戰略，增強南昌(chang)市(shi)經濟輻(fu)射力(li)，把南昌(chang)打造(zao)(zao)成現代制造(zao)(zao)業基地的需要，同(tong)時也是(shi)(shi)當時南昌(chang)市(shi)舉辦第七屆全國城(cheng)(cheng)市(shi)運動會和招商引資的需要，是(shi)(shi)一條體現南昌(chang)“城(cheng)(cheng)湖(hu)相融”意境的景(jing)觀大道，體現南昌(chang)山(shan)水城(cheng)(cheng)、園林(lin)城(cheng)(cheng)、科技(ji)城(cheng)(cheng)風貌(mao)的景(jing)觀軸之一。（《城(cheng)(cheng)市(shi)道橋與(yu)防洪》 評(ping)）

建設沿革

2009年6月(yue)(yue)30日(ri)，南昌市有(you)關部(bu)門同意(yi)艾(ai)溪湖(hu)大橋(qiao)(qiao)(qiao)工程(cheng)立項；11月(yue)(yue)30日(ri)，艾(ai)溪湖(hu)大橋(qiao)(qiao)(qiao)前期建設(she)勘察人員對(dui)勘測(ce)點地(di)質構成進行鉆孔取樣分(fen)析；12月(yue)(yue)21日(ri)，艾(ai)溪湖(hu)大橋(qiao)(qiao)(qiao)工程(cheng)開造(zao)圍堰。

2010年(nian)1月(yue)14日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)大(da)橋(qiao)(qiao)(qiao)(qiao)完(wan)成圍堰合龍工程(cheng)；4月(yue)12日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)大(da)橋(qiao)(qiao)(qiao)(qiao)進行(xing)橋(qiao)(qiao)(qiao)(qiao)基建設；5月(yue)8日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)橋(qiao)(qiao)(qiao)(qiao)體動(dong)工興(xing)建；8月(yue)5日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)大(da)橋(qiao)(qiao)(qiao)(qiao)完(wan)成樁基建設工程(cheng)； 10月(yue)21日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)大(da)橋(qiao)(qiao)(qiao)(qiao)進行(xing)主體澆筑(zhu)工程(cheng)； 10月(yue)23日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)大(da)橋(qiao)(qiao)(qiao)(qiao)完(wan)成大(da)橋(qiao)(qiao)(qiao)(qiao)下部結構工程(cheng)； 12月(yue)30日(ri)(ri)，艾(ai)(ai)溪(xi)(xi)湖(hu)大(da)橋(qiao)(qiao)(qiao)(qiao)進行(xing)橋(qiao)(qiao)(qiao)(qiao)面(mian)混凝土澆灌(guan)工程(cheng)；

2011年(nian)1月(yue)(yue)，艾(ai)溪(xi)湖(hu)(hu)大橋(qiao)(qiao)完成主(zhu)橋(qiao)(qiao)合龍(long)工(gong)程(cheng)；3月(yue)(yue)31日，艾(ai)溪(xi)湖(hu)(hu)大橋(qiao)(qiao)進行(xing)斜(xie)拱結構(gou)安裝工(gong)程(cheng)；5月(yue)(yue)3日，艾(ai)溪(xi)湖(hu)(hu)大橋(qiao)(qiao)完成主(zhu)橋(qiao)(qiao)斜(xie)拱鋼結構(gou)安裝；5月(yue)(yue)29日，艾(ai)溪(xi)湖(hu)(hu)大橋(qiao)(qiao)完成橋(qiao)(qiao)梁下(xia)部(bu)和(he)上(shang)部(bu)結構(gou)工(gong)程(cheng)，進行(xing)橋(qiao)(qiao)面鋪裝及橋(qiao)(qiao)梁附屬工(gong)程(cheng)。9月(yue)(yue)9日，艾(ai)溪(xi)湖(hu)(hu)大橋(qiao)(qiao)竣工(gong)，通車(che)運營。

活動及其他

設備設施

交通監控

2017年9月15日(ri)起，南昌(chang)市公安交管局利用南昌(chang)市道路上的動態監控系統(tong)，對艾(ai)溪湖大橋(qiao)和昌(chang)南高(gao)架橋(qiao)通行(xing)的違法(fa)行(xing)為(wei)進(jin)行(xing)全(quan)天候抓拍(pai)。

照明設施

2011年9月9日，艾溪湖橋上各(ge)類景觀、照明燈共達12291盞，主橋雙拱上的LED燈亮出各(ge)種造型，使(shi)其(qi)成為一(yi)處新的靚麗風景。

運營情況

票價票制

2017年9月1日(ri)，艾溪湖大(da)橋不實施收費(fei)制度(du)，全橋免費(fei)通行。

通行事項

2017年9月15日起，艾溪(xi)湖大橋限(xian)重55噸(dun)，限(xian)重時間為全天候。

建設成果

技術難題

艾溪(xi)湖大(da)橋(qiao)在(zai)主(zhu)橋(qiao)上采(cai)用(yong)了MIDAS2006程序進(jin)行計(ji)(ji)算(suan)(suan)(suan)；結(jie)構(gou)為空間體系，該(gai)計(ji)(ji)算(suan)(suan)(suan)中采(cai)用(yong)了三維有(you)限元模(mo)型計(ji)(ji)算(suan)(suan)(suan)。由于鋼箱梁比較寬(kuan)，計(ji)(ji)算(suan)(suan)(suan)模(mo)型采(cai)用(yong)梁格法進(jin)行模(mo)擬；主(zhu)梁、主(zhu)拱(gong)采(cai)用(yong)空間梁單元模(mo)擬，斜拉索采(cai)用(yong)單元模(mo)擬。