本文關(guān)鍵詞： 磚砌窨井 沉降 防治 新型塑料窨井　出處：《廣西大學》2013年碩士論文　論文類型：學位論文

【摘要】：隨著城鎮(zhèn)化戰(zhàn)略的不斷推進,城市道路規(guī)模也在不斷的增長。作為城市道路系統(tǒng)的重要組成部分—窨井,在發(fā)揮其作用的同時,由于技術(shù)限制和結(jié)構(gòu)本身的缺陷,在面對城市道路重交通荷載的作用下,許多窨井出現(xiàn)了下沉、突起、傾斜、井蓋斷裂等破壞現(xiàn)象。這些病害在城市瀝青道路上更為嚴重,甚至已經(jīng)成為城市道路的“通病”,對城市交通、汽車壽命、駕駛安全性和舒適性以及城市道路形象都造成了負面影響。為尋求解決窨井沉降破壞問題的措施,本文作了如下研究工作： (1)對柳州市內(nèi)若干條具有代表性的城市道路上窨井進行了現(xiàn)場調(diào)查,發(fā)現(xiàn)瀝青路面窨井沉降破壞情況要遠遠大于水泥混凝土路面；快車道窨井破壞情況要比慢車道嚴重。選擇破壞情況比較典型的瀝青道路窨井進行詳細分析,主要原因是交通荷載和井體本身結(jié)構(gòu)缺陷所致。 (2)對傳統(tǒng)磚砌窨井沉降破壞機理進行了分析。從磚砌窨井的埋深、受力、材料結(jié)構(gòu)缺陷、施工工藝以及磚砌井破壞形式和破壞部位進行了調(diào)查和分析。 (3)針對傳統(tǒng)磚砌窨井存在的問題,列舉了目前能用于替代傳統(tǒng)磚砌井的幾種新型窨井,通過對比初步驗證新型塑料窨井技術(shù)能有效地防止窨井沉降病害,施工工藝簡單,技術(shù)上具有優(yōu)良的性能,且經(jīng)濟效益顯著等。 (4)針對磚砌井受力破壞和結(jié)構(gòu)破壞的類型,根據(jù)相關(guān)試驗規(guī)范,對新型塑料窨井技術(shù)和傳統(tǒng)磚砌井材料和結(jié)構(gòu)進行了各種針對性的室內(nèi)試驗研究。驗證了塑料窨井在材料結(jié)構(gòu)方面相對于磚砌材料和結(jié)構(gòu)的優(yōu)越性,進一步驗證工程應用可行性。 (5)通過塑料窨井技術(shù)在市政道路中的應用案例,對其施工方案、實施效果的工程可靠性和經(jīng)濟性進行分析。證明塑料窨井技術(shù)在城市瀝青道路防沉降破壞方面具有工程可靠性和經(jīng)濟可行性。
[Abstract]:With the continuous promotion of urbanization strategy, the scale of urban roads is also growing. As an important part of urban road system, scentwell is playing its role at the same time. Due to the technical limitation and the defects of the structure itself, many scenting wells appear sinking, protruding and tilting in the face of heavy traffic load on urban roads. These diseases are more serious in urban asphalt roads, and have even become "common diseases" of urban roads, to urban traffic, automobile life. Driving safety and comfort, as well as the image of urban roads, have had a negative impact. In order to solve the problem of scenting subsidence and destruction, the following research work has been done in this paper: 1) the site investigation of scenting wells on some representative urban roads in Liuzhou City shows that the settlement damage of scenting wells on asphalt pavement is much larger than that of cement concrete pavement. The damage of fast track scenting well is more serious than that of slow driveway. The main reason of selecting the typical asphalt road scenting well is the traffic load and the structural defect of the well itself. In this paper, the settlement and failure mechanism of traditional brick scenting well is analyzed. The buried depth, force, material structure defect, construction technology, damage form and failure position of brick scenting well are investigated and analyzed. Aiming at the problems existing in the traditional brick scenting wells, this paper enumerates several new scenting wells which can be used to replace the traditional brick scenting wells, and preliminarily proves that the new plastic scenting well technology can effectively prevent the scenting well subsidence disease. The construction technology is simple, the technology has the fine performance, and the economic benefit is remarkable and so on. (4) according to the relevant test code, according to the types of failure and structural failure of brick wells. The new plastic scenting well technology and traditional brick well materials and structures were studied in laboratory. The superiority of plastic scenting well in material structure was verified compared with that of brick well material and structure. Further verify the feasibility of engineering application. Through the application of plastic scenting technology in municipal roads, the construction scheme is discussed. The engineering reliability and economy of the effect of the application are analyzed. It is proved that the plastic scenting technology has engineering reliability and economic feasibility in the aspect of anti-settlement damage of urban asphalt road.
【學位授予單位】：廣西大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：TU990.3;U418

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