富二代破解版app官方入口

社會招聘|人才引進|聯系我們
中鐵八局青島地鐵1號線土建1標03工區薛瓦區間順利貫通

13日16時20分(fen),薛(xue)瓦(wa)區(qu)(qu)間(jian)(jian)右(you)線(xian)盾構機刀盤緩(huan)緩(huan)地(di)破土而出,青島地(di)鐵1號線(xian)薛(xue)瓦(wa)盾構區(qu)(qu)間(jian)(jian)(薛(xue)瓦(wa)區(qu)(qu)間(jian)(jian)風井~瓦(wa)屋莊站(zhan)區(qu)(qu)間(jian)(jian))右(you)線(xian)順利洞(dong)通,至(zhi)此(ci)薛(xue)瓦(wa)區(qu)(qu)間(jian)(jian)實現雙線(xian)貫通。


薛(xue)瓦(wa)區(qu)(qu)間(jian)風(feng)井(jing)~瓦(wa)屋莊站(zhan)盾構區(qu)(qu)間(jian)主(zhu)要(yao)位于(yu)濱(bin)(bin)海公路(lu)、南輔路(lu)下(xia)方,線路(lu)出區(qu)(qu)間(jian)風(feng)井(jing)沿濱(bin)(bin)海大(da)道(dao)及(ji)南輔路(lu)向東敷設(she)至瓦(wa)屋莊站(zhan)。薛(xue)瓦(wa)盾構區(qu)(qu)間(jian)右(you)線全長665.602米(mi),以4.015‰坡度上(shang)行292.076米(mi),然后以27‰坡度上(shang)行250米(mi),到達瓦(wa)屋莊站(zhan)暗挖段(duan)出洞。盾構區(qu)(qu)間(jian)主(zhu)要(yao)穿(chuan)(chuan)越:強風(feng)化(hua)(hua)(hua)(hua)(hua)花崗斑巖(yan)、強風(feng)化(hua)(hua)(hua)(hua)(hua)閃長巖(yan)、粉質黏土、含黏性土礫(li)砂、全風(feng)化(hua)(hua)(hua)(hua)(hua)閃長巖(yan)、中(zhong)風(feng)化(hua)(hua)(hua)(hua)(hua)閃長巖(yan)(20-40MPa)、中(zhong)風(feng)化(hua)(hua)(hua)(hua)(hua)花崗斑巖(yan)(20-40MPa)、微(wei)風(feng)化(hua)(hua)(hua)(hua)(hua)閃長巖(yan)(64.11MPa);為(wei)典型的(de)上(shang)軟下(xia)硬復合地層。區(qu)(qu)間(jian)地下(xia)水(shui)系(xi)主(zhu)要(yao)為(wei)第四系(xi)孔隙(xi)水(shui)和基巖(yan)裂(lie)隙(xi)水(shui),水(shui)量豐(feng)富;區(qu)(qu)間(jian)主(zhu)要(yao)穿(chuan)(chuan)越DN100的(de)給水(shui)管、DN600的(de)污水(shui)管、3000*2000的(de)暗渠、DN325的(de)熱力(li)管、DN200的(de)燃氣管及(ji)濱(bin)(bin)海大(da)道(dao)等重大(da)危險源。


被列為(wei)(wei)青島地(di)鐵1號(hao)線(xian)I級風險源(yuan)的薛(xue)(xue)瓦區(qu)間(jian)(jian)(jian),為(wei)(wei)確保本次洞通時間(jian)(jian)(jian)節(jie)點順利兌現(xian),集團公(gong)司和項目(mu)公(gong)司時刻關(guan)注(zhu)掘進情(qing)況,給予(yu)施(shi)工(gong)單位幫(bang)扶指導,認(ren)真履行五方驗收等相關(guan)工(gong)作,中(zhong)鐵八局青島地(di)鐵1號(hao)線(xian)土(tu)建一標03工(gong)區(qu)爭分(fen)奪秒、齊心協力(li),在總結(jie)和分(fen)析(xi)前期掘進參數的同(tong)時,也邀請外部(bu)專家現(xian)場指導掘進。采(cai)用(yong)(yong)巴斯(si)夫分(fen)散型泡沫劑(ji)、黏(nian)土(tu)剝除劑(ji)、分(fen)散劑(ji)和調(diao)整掘進參數等措施(shi),有效(xiao)解決了(le)刀(dao)盤結(jie)泥餅問題(ti);采(cai)用(yong)(yong)注(zhu)入膨潤土(tu)和高分(fen)子聚(ju)合物、盾構(gou)管(guan)路改(gai)造、提高操作手(shou)業務能力(li)等措施(shi),解決了(le)硬巖地(di)層掘進噴涌問題(ti);采(cai)取控制(zhi)土(tu)倉(cang)壓力(li)、提高同(tong)步(bu)注(zhu)漿壓力(li)、補強二次注(zhu)漿、地(di)面預加(jia)固注(zhu)漿等措施(shi),有效(xiao)控制(zhi)了(le)地(di)面沉降問題(ti);采(cai)用(yong)(yong)進口(kou)刀(dao)具(ju),減少了(le)開倉(cang)換刀(dao)次數,節(jie)約換刀(dao)時間(jian)(jian)(jian)。項目(mu)部(bu)加(jia)強了(le)現(xian)場設(she)備維修管(guan)理(li)(li)、刀(dao)具(ju)管(guan)理(li)(li)和盾尾刷管(guan)理(li)(li),嚴控各道(dao)工(gong)序時間(jian)(jian)(jian),有效(xiao)保證了(le)盾構(gou)洞通時間(jian)(jian)(jian)節(jie)點。薛(xue)(xue)瓦區(qu)間(jian)(jian)(jian)右線(xian)的洞通,為(wei)(wei)下(xia)一步(bu)站(zhan)后(hou)施(shi)工(gong)奠定了(le)堅實的基礎,為(wei)(wei)青島1號(hao)線(xian)的試運(yun)行提供了(le)前期保證。

富二代破解版app官方入口|走進地鐵|地鐵資訊|地鐵黨建|規劃建設|招標投標|資源開發|乘客服務|招賢納士|地鐵攻略

版權所有 青島地鐵官方網站 Copyright ? dl268.com 2020-2030, ALL Reserved