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基本介紹

艾(ai)溪湖大(da)橋(qiao)位于(yu)中國(guo)江西(xi)(xi)省南(nan)昌(chang)市，西(xi)(xi)起(qi)北京東路，主(zhu)線以(yi)高架橋(qiao)型式由西(xi)(xi)往東跨過艾(ai)溪湖南(nan)路、艾(ai)溪湖和(he)昌(chang)東大(da)道，接艾(ai)溪湖南(nan)路交(jiao)叉(cha)口和(he)昌(chang)東大(da)道交(jiao)叉(cha)口簡易(yi)立交(jiao)，東至紫(zi)陽大(da)道是南(nan)昌(chang)市東部的主(zhu)出入口。

建筑設計

建筑結構

整體布局

艾溪湖大(da)橋(qiao)分(fen)別(bie)由水上主橋(qiao)、南北兩道(dao)引橋(qiao)、拱肋、橋(qiao)墩其立交匝道(dao)組成(cheng)，主橋(qiao)路段呈正西(xi)至正東方向(xiang)布置。

設計理念

艾溪湖大(da)橋采用外傾(qing)式(shi)拱橋作為方案，以對(dui)稱(cheng)傾(qing)斜拱結構與橋外伸出的半(ban)圓(yuan)人行道(dao)等相對(dui)，寓意“張開雙臂、擁抱藍天”，也象征南昌(chang)市(shi)美(mei)好的未來與日同輝(hui)。

設計特點

艾溪湖大橋(qiao)(qiao)(qiao)主(zhu)橋(qiao)(qiao)(qiao)為(wei)(wei)三(san)跨(kua)連(lian)(lian)續(xu)外(wai)傾(qing)式(shi)思索面(mian)(mian)下(xia)城(cheng)市鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)系(xi)(xi)(xi)桿(gan)拱(gong)(gong)(gong)橋(qiao)(qiao)(qiao)，上(shang)部結構三(san)跨(kua)連(lian)(lian)續(xu)梁(liang)拱(gong)(gong)(gong)組(zu)合結構，中(zhong)跨(kua)主(zhu)體為(wei)(wei)外(wai)傾(qing)式(shi)四索面(mian)(mian)下(xia)承(cheng)式(shi)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)系(xi)(xi)(xi)桿(gan)拱(gong)(gong)(gong)橋(qiao)(qiao)(qiao)；拱(gong)(gong)(gong)肋(lei)(lei)(lei)豎向(xiang)為(wei)(wei)疊拱(gong)(gong)(gong)形(xing)(xing)式(shi)，下(xia)層(ceng)(ceng)主(zhu)拱(gong)(gong)(gong)肋(lei)(lei)(lei)為(wei)(wei)受力(li)(li)拱(gong)(gong)(gong)，上(shang)層(ceng)(ceng)副拱(gong)(gong)(gong)肋(lei)(lei)(lei)為(wei)(wei)裝(zhuang)飾拱(gong)(gong)(gong)，兩拱(gong)(gong)(gong)間(jian)以聯系(xi)(xi)(xi)件連(lian)(lian)接。拱(gong)(gong)(gong)肋(lei)(lei)(lei)為(wei)(wei)矩形(xing)(xing)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)結構，拱(gong)(gong)(gong)腳(jiao)底(di)與(yu)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)梁(liang)頂(ding)面(mian)(mian)齊平(ping)并由(you)高強螺(luo)栓連(lian)(lian)接在墩(dun)頂(ding)中(zhong)橫(heng)梁(liang)上(shang)，拱(gong)(gong)(gong)肋(lei)(lei)(lei)內(nei)設鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)加勁(jing)肋(lei)(lei)(lei)。拱(gong)(gong)(gong)肋(lei)(lei)(lei)外(wai)露面(mian)(mian)采(cai)(cai)用(yong)(yong)(yong)裝(zhuang)飾涂料(liao)，顏色采(cai)(cai)用(yong)(yong)(yong)突出江(jiang)西革命文(wen)化特色的(de)(de)(de)(de)中(zhong)國紅涂刷涂料(liao)前必(bi)須對拱(gong)(gong)(gong)肋(lei)(lei)(lei)表(biao)面(mian)(mian)進(jin)行(xing)(xing)除(chu)銹處理，以保證涂料(liao)的(de)(de)(de)(de)耐久性。橋(qiao)(qiao)(qiao)面(mian)(mian)系(xi)(xi)(xi)為(wei)(wei)三(san)跨(kua)連(lian)(lian)續(xu)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)梁(liang)結構，主(zhu)跨(kua)橫(heng)向(xiang)由(you)三(san)個(ge)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)組(zu)成，即中(zhong)間(jian)為(wei)(wei)車(che)(che)(che)行(xing)(xing)道(dao)(dao)(dao)(dao)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)、兩側為(wei)(wei)人(ren)行(xing)(xing)道(dao)(dao)(dao)(dao)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)。車(che)(che)(che)行(xing)(xing)道(dao)(dao)(dao)(dao)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)與(yu)人(ren)行(xing)(xing)道(dao)(dao)(dao)(dao)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)間(jian)通過鏤空梁(liang)連(lian)(lian)接；鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)梁(liang)底(di)面(mian)(mian)無橫(heng)坡，頂(ding)面(mian)(mian)橫(heng)坡與(yu)道(dao)(dao)(dao)(dao)路一致。中(zhong)跨(kua)車(che)(che)(che)行(xing)(xing)道(dao)(dao)(dao)(dao)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)有五(wu)道(dao)(dao)(dao)(dao)縱(zong)向(xiang)腹板(ban)(ban)(ban)(ban)，邊(bian)跨(kua)車(che)(che)(che)行(xing)(xing)道(dao)(dao)(dao)(dao)縱(zong)向(xiang)腹板(ban)(ban)(ban)(ban)有九道(dao)(dao)(dao)(dao)，鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)梁(liang)頂(ding)板(ban)(ban)(ban)(ban)采(cai)(cai)用(yong)(yong)(yong)帶U肋(lei)(lei)(lei)的(de)(de)(de)(de)正(zheng)交(jiao)異性板(ban)(ban)(ban)(ban)結構，U肋(lei)(lei)(lei)為(wei)(wei)梯形(xing)(xing)閉口肋(lei)(lei)(lei)，鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)箱(xiang)(xiang)梁(liang)底(di)板(ban)(ban)(ban)(ban)采(cai)(cai)用(yong)(yong)(yong)帶平(ping)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)板(ban)(ban)(ban)(ban)肋(lei)(lei)(lei)的(de)(de)(de)(de)正(zheng)交(jiao)異性板(ban)(ban)(ban)(ban)結構，在主(zhu)跨(kua)車(che)(che)(che)行(xing)(xing)道(dao)(dao)(dao)(dao)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)梁(liang)內(nei)、拱(gong)(gong)(gong)腳(jiao)處布置有4組(zu)用(yong)(yong)(yong)于平(ping)衡拱(gong)(gong)(gong)腳(jiao)水平(ping)推(tui)力(li)(li)的(de)(de)(de)(de)系(xi)(xi)(xi)桿(gan)，系(xi)(xi)(xi)桿(gan)均(jun)采(cai)(cai)用(yong)(yong)(yong)環氧噴涂非(fei)集束(shu)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)絞(jiao)線(xian)(xian)(xian)(xian)形(xing)(xing)式(shi)，采(cai)(cai)用(yong)(yong)(yong)非(fei)集束(shu)形(xing)(xing)式(shi)布置，每組(zu)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)絞(jiao)線(xian)(xian)(xian)(xian)外(wai)再增(zeng)設PE防護套；鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)絞(jiao)線(xian)(xian)(xian)(xian)采(cai)(cai)用(yong)(yong)(yong)單根雙向(xiang)張(zhang)拉工藝，錨墊板(ban)(ban)(ban)(ban)下(xia)設置糾偏裝(zhuang)置，錨頭防護參照(zhao)可換式(shi)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)絞(jiao)線(xian)(xian)(xian)(xian)系(xi)(xi)(xi)桿(gan)的(de)(de)(de)(de)保護罩構造。主(zhu)橋(qiao)(qiao)(qiao)橋(qiao)(qiao)(qiao)墩(dun)采(cai)(cai)用(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)筋(jin)混凝(ning)土(tu)方形(xing)(xing)柱身、鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)(gang)筋(jin)混凝(ning)土(tu)承(cheng)臺、鉆孔灌注樁基(ji)礎，一個(ge)主(zhu)墩(dun)以道(dao)(dao)(dao)(dao)路中(zhong)心線(xian)(xian)(xian)(xian)為(wei)(wei)界分成左右兩個(ge)橋(qiao)(qiao)(qiao)墩(dun)。

設計參數

艾溪湖大橋(qiao)線(xian)路長2.54千(qian)米(mi)(mi)(mi)(mi)(mi)(mi)，橋(qiao)梁(liang)(liang)(liang)全長1.54千(qian)米(mi)(mi)(mi)(mi)(mi)(mi)，水上主橋(qiao)總長168米(mi)(mi)(mi)(mi)(mi)(mi) ，橋(qiao)寬41米(mi)(mi)(mi)(mi)(mi)(mi)，其中(zhong)(zhong)(zhong)，非機動車(che)(che)道(dao)(dao)(dao)3.5米(mi)(mi)(mi)(mi)(mi)(mi)，人行(xing)(xing)(xing)(xing)道(dao)(dao)(dao)5.0米(mi)(mi)(mi)(mi)(mi)(mi)；全橋(qiao)處在半(ban)徑10000米(mi)(mi)(mi)(mi)(mi)(mi)的豎曲線(xian)內，拱平(ping)面(mian)(mian)向(xiang)(xiang)外傾(qing)斜(xie)比(bi)例(li)1:3，主拱圈在豎直(zhi)(zhi)平(ping)面(mian)(mian)內投(tou)影(ying)高(gao)(gao)度(du)(du)為(wei)39米(mi)(mi)(mi)(mi)(mi)(mi)，裝飾拱圈在最(zui)高(gao)(gao)點比(bi)主拱圈高(gao)(gao)7米(mi)(mi)(mi)(mi)(mi)(mi)，主拱肋(lei)寬自拱冠至(zhi)(zhi)拱底由1.5米(mi)(mi)(mi)(mi)(mi)(mi)至(zhi)(zhi)2.5米(mi)(mi)(mi)(mi)(mi)(mi)線(xian)性變(bian)化，截面(mian)(mian)高(gao)(gao)度(du)(du)自拱冠至(zhi)(zhi)拱底由1.3米(mi)(mi)(mi)(mi)(mi)(mi)至(zhi)(zhi)2.0米(mi)(mi)(mi)(mi)(mi)(mi)，車(che)(che)行(xing)(xing)(xing)(xing)道(dao)(dao)(dao)鋼箱(xiang)梁(liang)(liang)(liang)高(gao)(gao)度(du)(du)由道(dao)(dao)(dao)路中(zhong)(zhong)(zhong)心(xin)線(xian)處2米(mi)(mi)(mi)(mi)(mi)(mi)漸變(bian)到車(che)(che)行(xing)(xing)(xing)(xing)道(dao)(dao)(dao)邊線(xian)位(wei)置(zhi)的1.59米(mi)(mi)(mi)(mi)(mi)(mi)，人行(xing)(xing)(xing)(xing)道(dao)(dao)(dao)鋼箱(xiang)梁(liang)(liang)(liang)高(gao)(gao)為(wei)1.59米(mi)(mi)(mi)(mi)(mi)(mi)，中(zhong)(zhong)(zhong)跨車(che)(che)行(xing)(xing)(xing)(xing)道(dao)(dao)(dao)鋼箱(xiang)五道(dao)(dao)(dao)縱(zong)(zong)向(xiang)(xiang)腹板(ban)，分別在道(dao)(dao)(dao)路中(zhong)(zhong)(zhong)心(xin)線(xian)及距(ju)中(zhong)(zhong)(zhong)心(xin)線(xian)9.92米(mi)(mi)(mi)(mi)(mi)(mi)、20.5米(mi)(mi)(mi)(mi)(mi)(mi)位(wei)置(zhi)，厚(hou)(hou)度(du)(du)為(wei)14毫(hao)米(mi)(mi)(mi)(mi)(mi)(mi)；邊跨車(che)(che)行(xing)(xing)(xing)(xing)道(dao)(dao)(dao)縱(zong)(zong)向(xiang)(xiang)腹板(ban)有九道(dao)(dao)(dao)，間距(ju)4.96至(zhi)(zhi)5.62米(mi)(mi)(mi)(mi)(mi)(mi)。鋼箱(xiang)梁(liang)(liang)(liang)頂(ding)板(ban)厚(hou)(hou)度(du)(du)為(wei)16毫(hao)米(mi)(mi)(mi)(mi)(mi)(mi)，局(ju)部頂(ding)板(ban)加厚(hou)(hou)至(zhi)(zhi)30毫(hao)米(mi)(mi)(mi)(mi)(mi)(mi)，U肋(lei)用8毫(hao)米(mi)(mi)(mi)(mi)(mi)(mi)厚(hou)(hou)的鋼板(ban)冷彎成(cheng)形(xing)，鋼箱(xiang)梁(liang)(liang)(liang)底板(ban)厚(hou)(hou)14毫(hao)米(mi)(mi)(mi)(mi)(mi)(mi)。一(yi)個主墩以道(dao)(dao)(dao)路中(zhong)(zhong)(zhong)心(xin)線(xian)為(wei)界(jie)分成(cheng)左右2個橋(qiao)墩，每個橋(qiao)墩由2個2.5米(mi)(mi)(mi)(mi)(mi)(mi)×2.0米(mi)(mi)(mi)(mi)(mi)(mi)方柱(zhu)組成(cheng)，2個方柱(zhu)下(xia)設(she)承臺，承臺下(xia)為(wei)雙排8根直(zhi)(zhi)徑1.5米(mi)(mi)(mi)(mi)(mi)(mi)樁基(ji)，承臺厚(hou)(hou)度(du)(du)2.0米(mi)(mi)(mi)(mi)(mi)(mi)。

技術標準

道路(lu)等級 城(cheng)市快速路(lu)

設計(ji)基準(zhun) 100年

車(che)道設(she)置 雙向六(liu)車(che)道

設(she)計速度 60千米/小時

縱坡系數 0.5%（橋面(mian)）

荷載標準 公(gong)路-Ⅰ級，人群：3.1千牛/平方米，路面：BZZ-100千牛

設計風速(su) 27.2米/秒

日照溫差(cha)(cha) 溫差(cha)(cha)效應(ying)遵照《公路橋涵設計通用規(gui)范》

抗震等級 Ⅵ度

通航(hang)標(biao)準 橋(qiao)下凈空大于(yu)2.5米

環境類別 Ⅰ類

功能價值

艾溪湖(hu)(hu)大(da)橋的建設不僅(jin)是(shi)(shi)城(cheng)(cheng)(cheng)市(shi)(shi)交通發展的需要也是(shi)(shi)實施省市(shi)(shi)發展戰略，增(zeng)強南(nan)昌市(shi)(shi)經(jing)濟輻射力，把南(nan)昌打造(zao)成(cheng)現(xian)代制造(zao)業基地的需要，同時也是(shi)(shi)當時南(nan)昌市(shi)(shi)舉辦第七屆全國城(cheng)(cheng)(cheng)市(shi)(shi)運動會(hui)和招(zhao)商引資的需要，是(shi)(shi)一(yi)條體(ti)現(xian)南(nan)昌“城(cheng)(cheng)(cheng)湖(hu)(hu)相融”意境的景觀大(da)道，體(ti)現(xian)南(nan)昌山水城(cheng)(cheng)(cheng)、園(yuan)林城(cheng)(cheng)(cheng)、科技城(cheng)(cheng)(cheng)風貌的景觀軸之一(yi)。（《城(cheng)(cheng)(cheng)市(shi)(shi)道橋與(yu)防洪(hong)》 評）

建設沿革

2009年6月(yue)30日(ri)(ri)，南昌市有關(guan)部門同意艾(ai)溪湖大橋(qiao)工程立項；11月(yue)30日(ri)(ri)，艾(ai)溪湖大橋(qiao)前期建設勘察人員對勘測點(dian)地質(zhi)構成進行(xing)鉆(zhan)孔取樣分析；12月(yue)21日(ri)(ri)，艾(ai)溪湖大橋(qiao)工程開造(zao)圍堰(yan)。

2010年(nian)1月14日(ri)，艾(ai)(ai)溪(xi)湖(hu)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)完成(cheng)圍堰合(he)龍(long)工程；4月12日(ri)，艾(ai)(ai)溪(xi)湖(hu)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)進(jin)(jin)行(xing)橋(qiao)(qiao)(qiao)(qiao)基建(jian)設；5月8日(ri)，艾(ai)(ai)溪(xi)湖(hu)橋(qiao)(qiao)(qiao)(qiao)體動工興建(jian)；8月5日(ri)，艾(ai)(ai)溪(xi)湖(hu)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)完成(cheng)樁(zhuang)基建(jian)設工程； 10月21日(ri)，艾(ai)(ai)溪(xi)湖(hu)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)進(jin)(jin)行(xing)主體澆(jiao)(jiao)筑(zhu)工程； 10月23日(ri)，艾(ai)(ai)溪(xi)湖(hu)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)完成(cheng)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)下(xia)部結(jie)構工程； 12月30日(ri)，艾(ai)(ai)溪(xi)湖(hu)大(da)(da)(da)橋(qiao)(qiao)(qiao)(qiao)進(jin)(jin)行(xing)橋(qiao)(qiao)(qiao)(qiao)面混(hun)凝土(tu)澆(jiao)(jiao)灌工程；

2011年1月(yue)，艾(ai)(ai)溪(xi)(xi)湖(hu)(hu)大(da)(da)(da)橋(qiao)完(wan)成主橋(qiao)合龍工(gong)程(cheng)；3月(yue)31日，艾(ai)(ai)溪(xi)(xi)湖(hu)(hu)大(da)(da)(da)橋(qiao)進(jin)行斜拱(gong)結構(gou)安裝(zhuang)工(gong)程(cheng)；5月(yue)3日，艾(ai)(ai)溪(xi)(xi)湖(hu)(hu)大(da)(da)(da)橋(qiao)完(wan)成主橋(qiao)斜拱(gong)鋼結構(gou)安裝(zhuang)；5月(yue)29日，艾(ai)(ai)溪(xi)(xi)湖(hu)(hu)大(da)(da)(da)橋(qiao)完(wan)成橋(qiao)梁(liang)下部和上部結構(gou)工(gong)程(cheng)，進(jin)行橋(qiao)面鋪裝(zhuang)及(ji)橋(qiao)梁(liang)附屬工(gong)程(cheng)。9月(yue)9日，艾(ai)(ai)溪(xi)(xi)湖(hu)(hu)大(da)(da)(da)橋(qiao)竣工(gong)，通車運營(ying)。

活動及其他

設備設施

交通監控

2017年9月15日起，南昌(chang)市(shi)公安(an)交管局利用(yong)南昌(chang)市(shi)道路上的(de)動態監控系統，對艾溪湖大橋(qiao)和昌(chang)南高架橋(qiao)通行的(de)違(wei)法行為進行全(quan)天候抓拍(pai)。

照明設施

2011年(nian)9月9日，艾溪(xi)湖橋上各類景(jing)觀、照明(ming)燈共達12291盞，主橋雙拱(gong)上的LED燈亮出各種造型，使其成為一處新的靚麗風(feng)景(jing)。

運營情況

票價票制

2017年9月1日，艾溪湖大橋不實施收費制度(du)，全(quan)橋免費通行。

通行事項

2017年9月15日起，艾溪湖大橋限重(zhong)55噸，限重(zhong)時間為全天候(hou)。

建設成果

技術難題

艾溪湖大橋在主(zhu)橋上采(cai)用了MIDAS2006程序(xu)進(jin)(jin)行計(ji)算；結構為空間(jian)體(ti)系，該計(ji)算中采(cai)用了三維有限元模(mo)(mo)型(xing)計(ji)算。由于(yu)鋼箱梁(liang)(liang)比(bi)較寬，計(ji)算模(mo)(mo)型(xing)采(cai)用梁(liang)(liang)格法進(jin)(jin)行模(mo)(mo)擬；主(zhu)梁(liang)(liang)、主(zhu)拱采(cai)用空間(jian)梁(liang)(liang)單(dan)元模(mo)(mo)擬，斜拉索采(cai)用單(dan)元模(mo)(mo)擬。