本文選題：隧道開挖　切入點：砌體結(jié)構(gòu)　出處：《青島理工大學》2013年碩士論文　論文類型：學位論文

【摘要】：地鐵隧道開挖不可避免地會擾動地表土層，進而引起鄰近結(jié)構(gòu)的傾斜與變形。由于結(jié)構(gòu)的既有性能隨著使用已經(jīng)存在內(nèi)部損傷，因地表不均勻沉降產(chǎn)生的內(nèi)力與變形等響應還會被放大。因此，研究由于隧道開挖造成的地表沉降對鄰近既有結(jié)構(gòu)的影響以及其他相關因素的控制問題，成為目前青島地鐵建設迫切需要研究的問題。 本文選取地鐵隧道施工過程中存在問題較多的既有砌體結(jié)構(gòu)為對象，，通過統(tǒng)計分析地表沉降監(jiān)測與結(jié)構(gòu)既有性能檢測數(shù)據(jù)的規(guī)律，希望在地鐵隧道開挖引起的地表沉降基礎上，結(jié)合砌體結(jié)構(gòu)既有的性能參數(shù)，尋找在多因素作用下的既有砌體結(jié)構(gòu)對地表沉降的響應規(guī)律，同時從地基加固和上部結(jié)構(gòu)加固兩個方面提出保護措施。主要內(nèi)容如下： ⑴首先介紹了萬年泉路車站的工程概況、隧道總體施工情況以及開挖過程中初支開裂和處理措施情況，然后結(jié)合沉降監(jiān)測數(shù)據(jù)分析了建筑物和地表沉降規(guī)律和趨勢； ⑵為下一步建筑物地基基礎、上部結(jié)構(gòu)的加固以及地鐵隧道的進一步施工方案的調(diào)整提供理論依據(jù)和現(xiàn)場指導，在本研究進行過程中，對建筑物進行了兩次安全性調(diào)查和評估，第一次為1#導洞出現(xiàn)裂縫、建筑物沉降發(fā)展較大時，第二次為5#導洞開挖導致建筑物沉降發(fā)展較大時； ⑶針對隧道開挖導致的建筑物變形開裂損傷超過規(guī)范的限值，即其承載能力不能在滿足正常使用要求時，對其進行安全性評估的基礎上，針對地基基礎、上部結(jié)構(gòu)和隧道進一步施工方案采取相應的措施，即針對砌體結(jié)構(gòu)地基和本身加固以及隧道二襯施工方案展開分析研究，尋求合理的建筑物和隧道安全防護措施。
[Abstract]:The excavation of subway tunnel will inevitably disturb the surface soil layer, and then cause the slope and deformation of adjacent structures. As the existing performance of the structure has already existed internal damage with the use of the structure. The responses such as internal force and deformation caused by uneven settlement of the ground surface will also be amplified. Therefore, the influence of surface settlement caused by tunnel excavation on the adjacent existing structures and the control of other related factors are studied. At present, Qingdao subway construction needs to be studied urgently. In this paper, the existing masonry structure which has many problems in the construction of subway tunnel is selected as the object, and the law of monitoring the ground subsidence and detecting the existing performance of the structure is analyzed by statistical analysis. It is hoped that on the basis of ground subsidence caused by subway tunnel excavation and combined with the existing performance parameters of masonry structure, the response law of existing masonry structure to surface settlement can be found under the action of many factors. At the same time, the protection measures are put forward from two aspects of foundation strengthening and superstructure strengthening. The main contents are as follows:. The main contents are as follows: (1) the general situation of the Wannian Spring Road Station, the general construction situation of the tunnel and the initial crack and treatment measures during the excavation process are introduced, and then the law and trend of the building and surface subsidence are analyzed in combination with the settlement monitoring data. (2) to provide theoretical basis and on-site guidance for the next step of building foundation, superstructure reinforcement and the adjustment of further construction scheme of subway tunnel. In the course of this study, the safety investigation and evaluation of the building are carried out twice. For the first time, cracks appear in the guide hole. When the settlement of the building is larger, the second one is when the excavation of the guide hole leads to the larger settlement of the building. (3) in view of the damage of deformation and cracking of buildings caused by tunnel excavation exceeding the limit value of the code, that is, its bearing capacity can not meet the requirements of normal use, on the basis of safety evaluation, aiming at the foundation foundation, The corresponding measures should be taken for further construction of superstructure and tunnel, that is, to analyze and study the foundation of masonry structure and its own reinforcement and the construction scheme of tunnel's second lining, and to seek reasonable safety protection measures for buildings and tunnels.
【學位授予單位】：青島理工大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：U455;TU364

【參考文獻】

相關期刊論文 前10條

1 馬軍;國外砌體現(xiàn)場非(微)破損測試技術概述[J];四川建筑科學研究;1993年04期

2 汪國勛;程才淵;吳明舜;;建筑物狀況的綜合評估方法[J];四川建筑科學研究;2006年02期

3 卿偉宸;廖紅建;錢春宇;;地下隧道施工對相鄰建筑物及地表沉降的影響[J];地下空間與工程學報;2005年06期

4 周小文,包偉力,吳昌瑜;基于堤防監(jiān)測數(shù)據(jù)的安全評價模型研究[J];大壩觀測與土工測試;2001年05期

5 吳中如,趙斌,顧沖時;混凝土壩變形監(jiān)控指標的理論及其應用[J];大壩觀測與土工測試;1997年03期

6 劉建航;上海軟土隧道盾構(gòu)施工技術專家系統(tǒng)綜述[J];地下工程與隧道;1995年02期

7 張彌;潘杰梁;;預測盾構(gòu)開挖引起的地面沉陷的專家系統(tǒng)[J];地鐵與輕軌;1990年03期

8 劉書賢;魏曉剛;魏亞強;;采動區(qū)建筑物抗震、抗變形雙重保護作用機理分析[J];防災減災工程學報;2010年S1期

9 葛衛(wèi)娜,梁青槐;隧道開挖對周圍建筑物造成的損害及治理措施[J];華北科技學院學報;2005年03期

10 顧沖時,吳中如,陽武;用結(jié)構(gòu)分析法擬定混凝土壩變形三級監(jiān)控指標[J];河海大學學報(自然科學版);2000年05期

相關博士學位論文 前1條

1 楊麗明;地鐵淺埋暗挖隧道施工對超近距房屋的安全影響研究[D];北京交通大學;2008年

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