本文選題：嚴(yán)寒地區(qū) + 鋼結(jié)構(gòu)�。� 參考：《長春工程學(xué)院》2017年碩士論文

【摘要】：我國嚴(yán)寒地區(qū)傳統(tǒng)的農(nóng)村住宅結(jié)構(gòu)抗震性能差,材料強(qiáng)度較低,施工周期受季節(jié)影響嚴(yán)重,不易于工業(yè)化、裝配化的發(fā)展。嚴(yán)寒地區(qū)有很大一部分區(qū)域?qū)儆诳拐鹪O(shè)防區(qū),在抗震設(shè)防區(qū)內(nèi)的農(nóng)村住宅必須要考慮結(jié)構(gòu)的抗震性能,所以,在嚴(yán)寒地區(qū)推廣具有較好抗震性能的鋼結(jié)構(gòu)農(nóng)村住宅很有必要;鋼結(jié)構(gòu)材料強(qiáng)度高利于嚴(yán)寒地區(qū)建筑布置;鋼結(jié)構(gòu)農(nóng)村住宅符合我國農(nóng)村住宅裝配化和綠色建筑的發(fā)展方向;現(xiàn)階段鋼材價(jià)格較低也非常有利于鋼結(jié)構(gòu)在嚴(yán)寒地區(qū)農(nóng)村住宅上的推廣。因此,對嚴(yán)寒地區(qū)鋼結(jié)構(gòu)農(nóng)村住宅的應(yīng)用研究非常必要。綜合國、內(nèi)外低層鋼結(jié)構(gòu)住宅結(jié)構(gòu)形式的發(fā)展進(jìn)程,結(jié)合嚴(yán)寒地區(qū)本地化建材,初步確定了兩種比較適合做為嚴(yán)寒地區(qū)農(nóng)村住宅結(jié)構(gòu)體系:鋼框架體系和冷彎薄壁輕鋼龍骨體系。本文選用了一套嚴(yán)寒地區(qū)農(nóng)村住宅建筑設(shè)計(jì)圖作為建筑方案,在此方案的基礎(chǔ)之上對擬采用的兩套低層鋼結(jié)構(gòu)方案進(jìn)行了線性靜力分析,根據(jù)工程實(shí)際情況、相關(guān)工程設(shè)計(jì)經(jīng)驗(yàn)、相應(yīng)的設(shè)計(jì)規(guī)范規(guī)定及結(jié)構(gòu)分析結(jié)果,進(jìn)行了結(jié)構(gòu)布置的進(jìn)一步調(diào)整,最后對調(diào)整后的兩套結(jié)構(gòu)方案進(jìn)行了結(jié)構(gòu)的可行性和經(jīng)濟(jì)性分析,結(jié)果表明:調(diào)整后的冷彎薄壁輕鋼龍骨結(jié)構(gòu)體系荷載傳遞路徑更加清晰,結(jié)構(gòu)構(gòu)件標(biāo)準(zhǔn)化程度得以提高,綜合造價(jià)明顯低于嚴(yán)寒地區(qū)普通農(nóng)村住宅。所以嚴(yán)寒地區(qū)農(nóng)村住宅宜優(yōu)先采用冷彎薄壁輕鋼龍骨結(jié)構(gòu)體系,并且本文對冷彎薄壁輕鋼龍骨結(jié)構(gòu)體系的節(jié)點(diǎn)做法進(jìn)行了設(shè)計(jì)。此外,當(dāng)結(jié)構(gòu)構(gòu)件承受較大荷載時(shí),如果仍然采用普通冷彎薄壁輕鋼龍骨結(jié)構(gòu)體系將會導(dǎo)致結(jié)構(gòu)用量增加,造成住宅造價(jià)的大幅提高�；谶@種情況,本文提出了薄壁鋼管混凝土結(jié)構(gòu)體系,通過有限元軟件Midas gen對結(jié)構(gòu)內(nèi)力進(jìn)行設(shè)計(jì)分析和經(jīng)濟(jì)性分析,證明新型結(jié)構(gòu)方案既能夠有效的提高結(jié)構(gòu)承載能力和整體剛度又具有良好的經(jīng)濟(jì)性,文章最后在前人的研究基礎(chǔ)之上提出了小截面冷彎薄壁輕鋼結(jié)構(gòu)半剛性節(jié)點(diǎn)做法,此構(gòu)造做法能夠令節(jié)點(diǎn)可靠度大幅提高。
[Abstract]:In the cold areas of China, the traditional rural residential structure has poor seismic performance, low material strength, and the construction period is seriously affected by the season. It is not easy to industrialize and assemble. A large part of the cold area belongs to the seismic fortification area. The rural residence in the seismic fortification area must consider the seismic performance of the structure, so it is cold in cold area. It is necessary to extend the steel structure with better seismic performance in the area, and the steel structure material strength is good for the building arrangement in the cold area, and the steel structure rural housing conforms to the development direction of the rural housing assembly and the green building in our country; the low price of steel at this stage is also very beneficial to the steel structure in the rural residence in the cold region. Therefore, it is necessary to study the application of the steel structure in the cold area. The development of the comprehensive country, the development process of the structure form of the inner and outer steel structure of the steel structure, and the localization of the building materials in the cold region, have preliminarily determined two kinds of rural residential structure system which are suitable for the cold area: the steel frame system and the cold bending thin steel light steel keel. In this paper, a set of rural residential building design drawings in severe cold areas is selected as a building scheme. On the basis of this scheme, two sets of low level steel structure schemes are analyzed linearly. According to the actual situation of the project, the relevant engineering design experience, the corresponding set of specifications and structural analysis results, and the structure of the structure. After the further adjustment of the arrangement, the structural feasibility and economic analysis of the adjusted two sets of structural schemes have been carried out. The results show that the load transfer path of the adjusted cold-formed light steel light steel keel structure system is clearer, the standard degree of structural members can be improved, and the comprehensive cost is obviously lower than that of the ordinary rural residence in the cold area. Therefore, the cold bending thin-walled light steel keel structure system should be preferred in the cold area, and the joint method of the cold bending thin-walled light steel structure system is designed in this paper. In addition, when the structural members bear large loads, the structure consumption will be increased if the structure system still adopts the common cold bending thin steel structure system. The cost of housing is greatly improved. Based on this situation, this paper proposes a thin-walled concrete filled steel tube structure system. Through the finite element software Midas gen, the structural internal force is designed and analyzed and the economic analysis is carried out. It is proved that the new structure scheme can not only effectively improve the structural bearing capacity and the overall stiffness, but also have good economy. Finally, on the basis of previous studies, a semi rigid joint method for small section cold bending thin-walled light steel structure is proposed, which can greatly improve the reliability of the joint.
【學(xué)位授予單位】：長春工程學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TU391

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本文編號：2079214