預(yù)制裝配式混凝土空心墻板結(jié)構(gòu)在新農(nóng)村建設(shè)中的研究與應(yīng)用
本文選題:建筑工業(yè)化 + 預(yù)制裝配式; 參考:《西南交通大學(xué)》2015年碩士論文
【摘要】:目前,全球環(huán)境的日益惡化已經(jīng)成為了一個不容忽視的問題,保護環(huán)境、提倡節(jié)能減排已成為世界各國的首要任務(wù),同時也成為了我國的基本國策。建筑業(yè)作為我國第一大國民經(jīng)濟的支柱行業(yè),同時也是碳排放量貢獻最高的行業(yè),只有發(fā)展綠色建筑,所以它必將改變傳統(tǒng)的粗放型生產(chǎn)模式,我國又是一個人口大國,要解決我國十多億人口的居住問題,只有發(fā)展建筑工業(yè)化才是我們的必經(jīng)之路。同時,農(nóng)村作為我國的一個重要組成部分,隨著我國建設(shè)社會主義新農(nóng)村工作的進一步深入加強,新農(nóng)村的住宅也逐漸開始被建筑業(yè)界關(guān)注。我國新農(nóng)村住宅的建設(shè)目前存在著建設(shè)任務(wù)數(shù)量巨大、現(xiàn)有住宅問題多的情景,而且目前建筑工業(yè)化在農(nóng)村的應(yīng)用幾乎為零。針對農(nóng)村住宅存在的諸多問題,如今,中央已經(jīng)明確了在農(nóng)村發(fā)展建筑工業(yè)化的發(fā)展方向。針對這個背景,論文首先通過總結(jié)目前我國新農(nóng)村建筑建設(shè)中采用的結(jié)構(gòu)體系以及找出其所存在的問題,同時對比當前各種預(yù)制裝配式結(jié)構(gòu)連接形式的優(yōu)缺點,以美觀實用、安全經(jīng)濟、方便施工為目標,能適應(yīng)新農(nóng)村建設(shè)發(fā)展需要,提出了一種適用于在新農(nóng)村住宅中應(yīng)用的新型連接結(jié)構(gòu)形式:運用鋼板—螺栓連接的新型預(yù)制裝配式混凝土空心墻板結(jié)構(gòu),在大大減輕墻板自身重量的同時,降低了吊裝、安裝的施工難度。為研究這種采用鋼板—螺栓連接的新型結(jié)構(gòu)形式的整體抗震性能,將其與全現(xiàn)澆整體式空心墻板結(jié)構(gòu)模型進行對比,利用有限元軟件ANSYS對雙層四室足尺模型進行仿真建模,然后對其加以El-Centro地震波,對其進行動力時程分析。得到了頂層角點及層間連接點的位移時程曲線,關(guān)鍵時刻墻板、樓板及鋼板—螺栓的內(nèi)力云圖、變形云圖,明確了在實際抗震中該結(jié)構(gòu)的關(guān)鍵部位和薄弱環(huán)節(jié),并對該結(jié)構(gòu)的抗震性能進行了客觀評價。接下來以四川某公司為新農(nóng)村住宅所設(shè)計研發(fā)的預(yù)制裝配式鋼筋混凝土住宅“川西民居”為例,從工程的建造成本、施工進度、建筑質(zhì)量等方面對鋼板—螺栓連接的預(yù)制裝配式混凝土空心墻板結(jié)構(gòu)在新農(nóng)村住宅中的可行性做出了分析,最后為進一步推廣該新型預(yù)制裝配結(jié)構(gòu)形式在新農(nóng)村住宅中的應(yīng)用提出了相應(yīng)的建議。
[Abstract]:At present, the worsening of the global environment has become a problem that can not be ignored. To protect the environment and promote energy saving and emission reduction has become the most important task in the world, and it has also become the basic national policy of our country. As the pillar industry of our country's largest national economy, construction industry is also the industry with the highest contribution to carbon emissions. Only green buildings can be developed, so it will certainly change the traditional extensive production mode, and China is a large country with a large population. In order to solve the housing problem of more than one billion people in China, only the development of construction industrialization is our only way. At the same time, as an important part of our country, with the further strengthening of the construction of new socialist countryside in our country, the housing in the new countryside has gradually begun to be concerned by the construction industry. At present, the construction of new rural housing in China has a huge number of construction tasks, many existing housing problems, and the current application of construction industrialization in rural areas is almost zero. In view of many problems existing in rural housing, the central government has made clear the development direction of building industrialization in rural areas. In view of this background, the paper firstly summarizes the structure system adopted in the construction of new rural buildings in our country and finds out the existing problems, and at the same time, the advantages and disadvantages of various kinds of prefabricated structural connections are compared to the advantages and disadvantages of the present prefabricated structures, so as to be beautiful and practical. Safety and economy, convenient construction as the goal, can meet the needs of the development of new rural construction, This paper presents a new type of connection structure suitable for application in new rural residential buildings: a new type of prefabricated concrete hollow wall slab structure with steel plate and bolt connection, which greatly reduces the weight of the wall board and reduces the hoisting at the same time. Construction difficulty of installation. In order to study the overall seismic behavior of this new type of structure with steel plate and bolt connection, the model is compared with the whole cast-in-place integral hollow wall slab structure model, and the two-layer four-compartment full-scale model is simulated by using the finite element software ANSYS. Then the El-Centro seismic wave is applied and the dynamic time history analysis is carried out. The displacement time history curve of the top floor corner and the interstory connection point, the internal force cloud diagram of the wall slab, floor slab and steel plate bolt at the critical moment, the deformation cloud diagram, the key position and the weak link of the structure in the actual earthquake resistance are obtained. The seismic performance of the structure is evaluated objectively. Next, take the prefabricated reinforced concrete residence "West Sichuan Folk House", which was designed and developed by a Sichuan company for a new rural residence, as an example, from the construction cost and construction schedule of the project, The feasibility of prefabricated concrete hollow wall slab structure connected with steel plate and bolt in the new rural residence is analyzed in terms of building quality. Finally, some suggestions are put forward for further popularizing the application of the new prefabricated assembly structure in the new rural residence.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:TU765
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