【摘要】：隨城市化進(jìn)程的加快，開發(fā)與利用地下空間，特別是大空間、大跨度的地下空間越來(lái)越倍受關(guān)注。地下車庫(kù)作為解決途徑之一，可以緩解城市資源短缺、土地稀少的現(xiàn)狀。眾所周知，樓蓋體系的自重和造價(jià)在工程中占有很大比重，且地下車庫(kù)樓蓋結(jié)構(gòu)形式復(fù)雜多樣。基于上述情況，本文調(diào)查與研究地下車庫(kù)樓蓋工程的常用結(jié)構(gòu)形式，并對(duì)常用結(jié)構(gòu)形式地下車庫(kù)樓蓋進(jìn)行技術(shù)經(jīng)濟(jì)研究，確定不同工況條件下的最優(yōu)設(shè)計(jì)方案，為設(shè)計(jì)階段的方案選擇提供可靠依據(jù)。 首先，本文通過(guò)調(diào)研確定雙向板、井字梁、BDF方箱、蜂巢芯、周轉(zhuǎn)模殼等五種常用地下車庫(kù)樓蓋結(jié)構(gòu)形式，并分析其設(shè)計(jì)特點(diǎn)和構(gòu)造要求。其次，進(jìn)行五種結(jié)構(gòu)形式地下車庫(kù)樓蓋的結(jié)構(gòu)設(shè)計(jì)。設(shè)計(jì)工況條件分別考慮常規(guī)荷載和滿布消防車荷載。不同工況條件下選取結(jié)構(gòu)變形為控制指標(biāo)。選定三種柱網(wǎng)尺寸，分別進(jìn)行地下車庫(kù)樓蓋STRAT有限元結(jié)構(gòu)設(shè)計(jì)。根據(jù)STRAT有限元設(shè)計(jì)結(jié)果對(duì)五種結(jié)構(gòu)形式地下車庫(kù)樓蓋進(jìn)行工程計(jì)量與計(jì)價(jià)，確定各地下車庫(kù)樓蓋結(jié)構(gòu)體系的材料用量、工程造價(jià)等經(jīng)濟(jì)指標(biāo)。最后，綜合不同結(jié)構(gòu)形式地下車庫(kù)樓蓋材料用量、工程造價(jià)、使用功能、施工運(yùn)營(yíng)管理等綜合技術(shù)經(jīng)濟(jì)指標(biāo)，，確定地下車庫(kù)樓蓋方案比選方法�；趯哟畏治龇ǎ⒌叵萝噹�(kù)樓蓋評(píng)價(jià)指標(biāo)體系和結(jié)構(gòu)方案比選模型，進(jìn)行地下車庫(kù)樓蓋結(jié)構(gòu)形式方案比選，確定不同工況條件下地下車庫(kù)樓蓋的最優(yōu)結(jié)構(gòu)方案。
[Abstract]:With the acceleration of urbanization, the development and utilization of underground space, especially large space, long-span underground space has attracted more and more attention. As one of the solutions, underground garage can alleviate the shortage of urban resources and scarce land. As we all know, the weight and cost of the floor system account for a large proportion of the project, and the underground garage floor structure is complex and diverse. Based on the above situation, this paper investigates and studies the common structural forms of underground garage floor engineering, and carries on the technical and economic research to the common structural form underground garage floor, and determines the optimal design scheme under different working conditions. It provides a reliable basis for the selection of schemes in the design stage. Firstly, five commonly used underground garage floor structures, such as bidirectional plate, well beam, BDF square box, honeycomb core and revolving mold shell, are determined through investigation, and their design characteristics and structural requirements are analyzed. Secondly, the structural design of five kinds of structural forms of underground garage floor is carried out. The design working conditions consider the conventional load and the full fire truck load respectively. Under different working conditions, the structural deformation is selected as the control index. Three kinds of column network sizes are selected to design the STRAT finite element structure of underground garage floor. According to the results of STRAT finite element design, the engineering measurement and valuation of five kinds of underground garage floor are carried out, and the economic indexes such as material dosage and engineering cost of each underground garage floor structure system are determined. Finally, the comparison and selection method of underground garage floor scheme is determined by synthesizing the comprehensive technical and economic indexes such as material dosage, engineering cost, use function, construction operation and management of different structural forms of underground garage floor. Based on the analytic hierarchy process (AHP), the evaluation index system and structural scheme comparison model of underground garage floor are established, the structural form scheme of underground garage floor is compared and selected, and the optimal structural scheme of underground garage floor under different working conditions is determined.
【學(xué)位授予單位】：青島理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TU93;TU926

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本文編號(hào)：2489801