【摘要】：目前關(guān)于橋梁的研究，主要方向和主要精力都放在了橋梁主體結(jié)構(gòu)之上，對(duì)于行車荷載的直接承受者——橋面鋪裝的研究卻相對(duì)來說比較少，特別是對(duì)于混凝土橋梁的橋梁鋪裝的研究就更少了。 由于橋面鋪裝層結(jié)構(gòu)的病害越來頻發(fā)，也越來越常見，本文將結(jié)合工程實(shí)例，對(duì)混凝土橋面鋪裝層的病害進(jìn)行深入的分析和研究。 結(jié)合重慶綦江橋的工程模型，運(yùn)用MIDAS和ABAQUS兩種有限元計(jì)算軟件對(duì)其江橋進(jìn)行模擬。模擬出現(xiàn)缺陷的橋面鋪裝層的受力情況，加深對(duì)出現(xiàn)脫空這種病害的認(rèn)識(shí)，提出處治措施。對(duì)綦江橋鋪裝層墊層的厚度從5cm~10cm進(jìn)行力學(xué)分析，，認(rèn)識(shí)到出現(xiàn)病害的鋪裝層結(jié)構(gòu)的應(yīng)力隨著墊層厚度的增加而減小。從力學(xué)角度計(jì)算分析超載對(duì)于橋面鋪裝層受力的影響。 力圖通過對(duì)橋面鋪裝層結(jié)構(gòu)病理分析，達(dá)到加深對(duì)于鋪裝層病害的認(rèn)識(shí)，尋求整治方法。
[Abstract]:At present, the research on bridge is mainly focused on the main structure of bridge, but the research on bridge deck pavement, which is the direct bearing of traffic load, is relatively less. Especially for concrete bridge pavement research is even less. As the disease of bridge deck pavement structure is more and more frequent and more common, this paper will analyze and study the disease of concrete bridge deck pavement in combination with engineering examples. Combined with the engineering model of Qijiang Bridge in Chongqing, the bridge is simulated by MIDAS and ABAQUS. This paper simulates the stress situation of the bridge deck pavement with defects, deepens the understanding of the defect, and puts forward some measures to deal with it. The thickness of cushion layer of Qijiang Bridge pavement is analyzed from 5cm~10cm, and it is recognized that the stress of pavement structure with disease decreases with the increase of cushion thickness. The influence of overloading on bridge deck pavement is calculated and analyzed from the point of view of mechanics. Through the pathological analysis of bridge deck pavement structure, this paper tries to deepen the understanding of pavement disease and seek for the treatment method.
【學(xué)位授予單位】：重慶交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U443.33;U445.71

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