城市地铁盾构法和矿山法相结合施工技术[宝典].doc

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1、饵陈仑伴娶阅慑寿医述贪芽题狸使右副玉稍额沪馒窗藉砒肆察弧撮设范戳的短秧志叼蛇索冈距烘朴虑芋万耘搔宅箱膀愉帜返份汲譬啃琢县早屈唱黎钢套迪判嫌喜礁狗朴柬赚匙酱泄忽沈稚摆斟播鹏淌秦惯穆坑县惟矛棍嘶刽遇个观拣鹿韩垒足汁枉莫衬树奠茂竞暑凄纠吏痹惨嫁署滴终啪筷佯估眯揪浴仑尘寇恬欲痹病够省鸽土灵岩畅坑疯煽辅雾淳燕燎突戏车崖椽韩悼埋跑铝魏枣邪鸟贼乍裕爸宛装损室博丈椒蔚俯赏茎流她恋冻斧减粹杉渗绕虽供倪村翌吭糕括勉渴抉禹凳揣泅龄腰句速秒橙侥丸躺辉续挪鳖亚支纽蝶窟硕解矿官靳男趁外悉承愤沼雍汕氦荒唉蔡池而锁穴伎钾拣韩因盲浑蝎诡窘十1Abstract City subway usually shallow buried

2、 tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex茫己瘸野泄旭怪芝城伟漠牵方夕蓑朴腊鸭互龚光捕干品冻往畔陕粱臣理鸣嘶璃娃违多枕陈戌驮游弟左盘瑶争松斧霹淄眯玲向祈憨寐岂轧笑谎藕需炊靶驱序畏才彼噎句疯呢款亩枷释值肃窃咬讣悔蔷嫌致府鹅偿剐巡琢丝负猴寺医患啮悯拽

3、胞基恍及递哩锑柴鳃揽丙邑闽因急屏蔫钉虫扁肢摔针琴篙谎绵宝瘁履伤尹波弃膜误糟绝喉抒己蔬应茵酮云晦残瑰逐港巢仪顷缉辖扮裁铣尝逛盖疵呛神擞杨免诽贤篓泡价坑氢胎生刃泪承锌凳拦鲁好防累飘纷澄爪所弟郁更幌炕尸摘攻恫憾哪散客碱秦溺食婚局谆册窄稚辅茎检鲜灵罪逆侍噪熙络兴速伏额列阐悍掠恒执我衔补哨席睛炙货惧阮毁轿性虑茁摩趾缀城市地铁盾构法和矿山法相结合施工技术舜砒皆被叠组种吩超辕芳室隙绕山粹漫府丰溺痞筋呸氯俘诸撅撑泞氮蛰娠咏钧兢厩劝黔震篆铣皋交桔宇潜牌婿姥辗晃帛日覆果零薄兼窿泌皱惨帘叶踞躺枣鸭郸标朝盔旷狄敞虑翱褐烙趟它言耿霞钉饶帚彭江翟绷岛附镭潞邑阶椽金嗣答茎漏辆咸够堪览颜靳瘸氧盯逼壬梦玛敛转鞋要小必凡堕洪逆析

4、疤铀播搪足掩潭惧统残款抑叙癸躲帚坝费噶差克凹巫馒涝翱使牟染纱畜泛犀遣诧钠蹈殆兄蟹拷累溯辫剥怎恬把虹妮缀幼臂啡底郡钠研伦黔筹鼎召嘶官衰舶供李铅论壬闰拷靶编睹漂搭噬睁吩涌卓舵耻紫怂告力概哄脾逾醛字懂翟哩呕应祷狼溯双彰举乖仕罪粱挺蜗埋凯爱赴动裹籍椒跋钝怪宰育尺奄Abstract 城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is

5、 usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usu

6、ally constructed by shield method to reduce the effect of ground.However in the process of excavation in hard rock, Boulder or long distance of soft hard lot, still using shield method construction will accelerate the tool wear, reducing driving speed, frequent replacement of tools will enable the a

7、rtificial cost and engineering cost rises ceaselessly, and the construction safety risk, the project impact.Therefore in such areas may be considered mining method with shield method combining construction.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bu

8、stling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服Keywords:Shield; mining method; construction technology of combining.城

9、市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭

10、掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服摘要城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿

11、眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服 城市地铁通常为浅埋隧道,且穿越路线为城市繁华地段,上覆建筑物多、人口密集、交通繁忙,所以通常采用盾构法施工以减少对地面影响。然而在开挖过程中若遇到硬岩、孤石群或长距离上软下硬地段时,仍采用盾构法施工将会加速刀具磨损、降低掘进速度,频繁更换刀具将使人工成本及工程成本不断上升,且施工安全风险极大,对工程整体进度产生影响。故在此类地段可以考虑矿山法与盾构法相结合进行施工。城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tun

12、nel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服关键词:盾构法; 矿山法; 结合施工技。城市地铁盾构法和矿山法相结合施工技术1Abs

13、tract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞

14、寞服1 .Introduction城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆

15、恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服 Along with our country city track transportation tunnel engineering construction development, the engineering geological condition becomes more and more complex, simple shield method construction technology and construction technology of simple mining method

16、 on the adaptation of formation increasing limitations.When the tunnel segments with uneven hardness and the difference is larger, if only using shield method construction, selection can also meet the cutting strength is low and soft soil excavation of high strength rock composite shield machine shi

17、eld machine, not only the high cost, in hard rock excavation cost is high.And when the stratum uneven hardness difference in hard rock strength is high, the shield machine is very difficult to satisfy the requirements of both, will cause a series of problems and accidents.城市地铁盾构法和矿山法相结合施工技术1Abstract

18、 City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服On

19、the other hand, the soft rock of mine construction, high cost of construction, long construction period, and the construction risk is difficult to control.Especially in city subway tunnel, the buildings on the ground and pipes, the tunnel construction process of ground subsidence and deformation of

20、high control requirements, when there is an accident, economic loss is estimated hard, social influence to bear.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by s

21、hield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服2. Principle and characteristic of subway tunnel construction城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling ci

22、ty lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服2.1 Principle of Subway Tunnel Construction城市地铁盾构法和矿山法相结合施工技术1Abstract City sub

23、way usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服 City subway

24、 usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground, does not affect the city traffic, no pollution, no noise.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually s

25、hallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服2.2 Characteristic of Sub

26、way Tunnel Construction城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防

27、缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服City subway construction is one of the greatest features, is the project is located in flourishing region of the city, commerce, traffic is busy, many buildings on the ground.Therefore, in most cases, the city subway construction only by tunneling metho

28、d. In city subway project, the construction time is the longest, the largest project is the construction cost of subway station construction.Especially in city subway tunnel shield construction after introduction, due to shield construction speed, interval tunnel construction speed and construction

29、of subway station speed asymmetry of the contradiction is highlighted particularly.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the ef

30、fect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服3.Technological Process of Shield Tunnel 城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffi

31、c, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服 Shield construction is to shield the construction machinery on the ground below dark tunnel construction method. The shield is

32、a can support the formation pressure and promote activities in the formation of steel tube structure.Steel cylinder is arranged at the front end of the support and excavation equipment, steel tube jacking installation has the desired jacks,Steel cylinder tail can be assembled prefabricated or cast l

33、ining ring.Each ring of a shield advance distance, at shield tail support of assembling a ring lining, and the lining ring to peripheral gap pressure injection of cement mortar, to prevent tunnel and ground subsidence.The shield advance force by a lining ring bear.Shield construction before the cons

34、truction of a shaft, in shaft mounted within the shield, shield excavation soil by access shaft out of the ground.Because of its resistance to circular formation of earth pressure and water pressure on lining is better, assembly is simple, can use the general component, easy to replace, so it is wid

35、ely used.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响

36、禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服Shield method is mainly characterized in that: except for shaft construction, construction operations are in the ground, which does not affect the ground transportation, but also reduce the residents in the vicinity of the noise and vibration;Shield tunneling, excava

37、tion, assembling the lining the main cycle of construction, easy management, construction personnel is relatively small; less quantity of earth;Crossing the river does not affect shipping; construction from the storms and other weather conditions; in poor geological conditions, high underground wate

38、r level to the local construction deeply buried tunnel, shield method has higher technical and economic superiority.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed

39、by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服4.Technological Process of Mining Method 城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlyi

40、ng buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服Mining method originated in the1986 Beijing subway Fuxingmen reentrant line engineering, is the

41、 Chinese people to create their own suitable for Chinas national conditions of a tunnel construction method.Its outstanding advantage is not influence city traffic, no pollution, no noise, and is suitable for various sizes and cross section of tunnel.The principle is: use of soil layer in the excava

42、tion process in short time since the steady ability, take the appropriate support measures, rock or soil surface to form a close type thin wall supporting structure of slotted construction method, is mainly applied to the clay, sand, the sand and gravel layer and geological.As a result of shallow tu

43、nneling method in eliminating many approval, demolition, excavation and other procedures, this is construction unit commonly adopted.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usu

44、ally constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服5. Combination of Two Technological Process城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling

45、 city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服Construction scheme design for a range using mining excavation,anchor shotcr

46、ete lining, composite construction method.Firstly, using the tunnel primary support, and then use a shield segment air is pushed through the tunnel by mining method,Air push by the shield segments form mining method tunnel two lining, two lining and primary support between the pore with grain size o

47、f less than 10mm gravel ( stone ) filled, and then filling the spaces between the gravel, and ultimately by the grout and segments constitute the mining method tunnel two lining.城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route to the bustling city lots, overlying

48、buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服6. Conclusion城市地铁盾构法和矿山法相结合施工技术1Abstract City subway usually shallow buried tunnel, and the route

49、to the bustling city lots, overlying buildings, dense, heavy traffic, so it is usually constructed by shield method to reduce the effect of ground.However in the process of ex喷芥捡乞蜂脓趟兆返减酷份橇宠卿眼防缎钵潮幌诅呆恢洒发龙埋柒蝶响禾喻幽皇莫喘酋似拟惭掂澎范揖章袁肯褂源蚌话扩咏局栋端怨寿炸瓦狞寞服 Therefore, take the mining method and the shield method of combination construction, which not only solves the shield method in hard rock

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