Comparative analysis of mechanical behavior of light gauge steel structure 輕鋼龍骨結(jié)構(gòu)體系受力性能的比較分析
Light gauge steel 輕量型鋼
In order to design the light gauge steel structure safely and economically , it is necessary that the static calculation and stability analysis of frame structures are further researched 為了安全、經(jīng)濟(jì)地設(shè)計(jì)門(mén)式剛架,需要對(duì)其進(jìn)行內(nèi)力、位移、穩(wěn)定性方面的深入研究。
To promote the application and development of light gauge steel framed residential dwellings in our country , the research on structural performance of light gauge steel framing should be enhanced and the structural system according with architectural system should be developed 為推動(dòng)輕鋼龍骨住宅在我國(guó)的應(yīng)用和發(fā)展,必須加強(qiáng)對(duì)輕鋼龍骨結(jié)構(gòu)性能的研究,開(kāi)發(fā)出配套的低、多層輕鋼龍骨住宅結(jié)構(gòu)體系。
Finite element analysis of stability on tapered portal frame structure abstract in recent years , the light gauge steel structure of low - rise buildings are widely used because of their light weight , beauty , convenience - manufacture , easy erection , reliability , and high efficiency 輕型鋼結(jié)構(gòu)因其具有重量輕、外形美觀、制造方便、施工快捷、質(zhì)量可靠、建設(shè)投資回收快等優(yōu)點(diǎn),近年來(lái)在我國(guó)發(fā)展迅速。
Light gauge steel construction whose structural framing is constitutive of cold - formed steel members has been on a rapidly increasing sacle and has been used for low residential construction widely in the world since the construction has a series of prominent advantages such as light weight , high strength and stiffness , energy saving , environmental protection , ease of prefabrication and mass production , fast and easy erection and installation and so on , but its research and application has just begun in our country 全部采用冷成型鋼構(gòu)件作為結(jié)構(gòu)受力骨架的輕鋼龍骨住宅體系具有輕質(zhì)、高強(qiáng)、節(jié)能、環(huán)保、施工速度快、易于產(chǎn)業(yè)化等特點(diǎn),近年來(lái)在國(guó)際上發(fā)展迅速并廣泛用于低層住宅,但在我國(guó)研究和應(yīng)用還處于啟動(dòng)階段。
Concerning the tests , analyses , design and calculation of performances for light gauge steel framing , this paper focuses on following items : ( 1 ) the calculation of light gauge steel framed compound bearing walls ( lgsfcbw ) in compression and bending . based on north american specification and commentary for the design of cold - formed steel structural members , which was published by the american iron and steel institute , the detailed design requirements of wall stud assemblies are given considering the structural contribution of the attached sheathings and shear diaphragm is discussed briefly . then the calculational theoretic and method for sheathing braced wall stud assemblies complying with national code is brought up in compression and bending 本文圍繞輕鋼龍骨體系結(jié)構(gòu)性能的試驗(yàn)、分析、設(shè)計(jì)和計(jì)算,主要進(jìn)行了以下四方面的研究工作: ( 1 )輕鋼龍骨復(fù)合承載墻體的受壓、受彎計(jì)算:以美國(guó)鋼鐵協(xié)會(huì)發(fā)行的北美冷成型鋼構(gòu)件設(shè)計(jì)規(guī)范及其規(guī)范說(shuō)明為依據(jù),重點(diǎn)考慮罩面材料對(duì)墻龍骨設(shè)計(jì)的影響,給出了目前對(duì)承重墻龍骨設(shè)計(jì)的具體要求,并對(duì)剪力蒙皮進(jìn)行了簡(jiǎn)要討論;然后提出了符合我國(guó)規(guī)范術(shù)語(yǔ)的剪力蒙皮作用的輕鋼龍骨復(fù)合承載墻體(即罩面支撐墻龍骨)受壓、受彎的計(jì)算理論和方法;最后對(duì)提出的計(jì)算進(jìn)行簡(jiǎn)化,使之完全與我國(guó)規(guī)范相符。
Thirdly , to improve the application of light gauge steel structure in our country , some experimentations of institute of new - style steel structure which adopting native productions are induced nally , three - dimensional finite element model is presented . compared with the tests , mumerical results are verified much accurate and efficient , therefore a reliable way is provided to utilize the computational technique adequately to reduce the tests and to utilize the experimental results adequately to improve design quality , ( 3 ) study on floor system . not only adequate strength , stiffness and integer stabilization must be provided , but also insulation , fire and acoustics must be satified 本文首先論述了lgsfcbw各種破壞模式及其原因,總結(jié)了各因素對(duì)lgsfcbw抗剪性能的影響,從而為我國(guó)引進(jìn)和應(yīng)用輕鋼龍骨結(jié)構(gòu)體系奠定了基礎(chǔ);其次從試驗(yàn)?zāi)P?、試?yàn)方法和試驗(yàn)結(jié)果三方面探討了國(guó)外lgsfcbw抗震性能的研究,并分析該體系的破壞模式和抗震特性、提出研究建議;然后介紹了為推動(dòng)輕鋼龍骨住宅國(guó)產(chǎn)化,我們采用國(guó)產(chǎn)材料開(kāi)展的系列試驗(yàn);最后提出了lgsfcbw的有限單元分析法,數(shù)值計(jì)算與試驗(yàn)結(jié)果一致,為充分利用計(jì)算技術(shù)減少試驗(yàn)數(shù)量和充分利用試驗(yàn)成果提高設(shè)計(jì)水平提供了一條可靠途徑。
Referring to the forms of floor solution abroad , autoclaved lightweight concrete ( alc ) floor used in low buildings and precast alc composite slab used in middle buildings are put forward . furthermore , the calculational methods and corresponding analyses are discussed . ( 4 ) research on design method of low light gauge steel constructions in north america 本文研究全工業(yè)化的輕鋼龍骨體系在低、多層住宅中的結(jié)構(gòu)性能,以結(jié)構(gòu)體系創(chuàng)新為出發(fā)點(diǎn),開(kāi)展一系列理論研究,并以相應(yīng)試驗(yàn)來(lái)檢驗(yàn)理論分析結(jié)果,對(duì)推動(dòng)輕鋼龍骨體系在我國(guó)的應(yīng)用具有理論和應(yīng)用價(jià)值。