本文關(guān)鍵詞： 輪輻式張拉結(jié)構(gòu) 幾何形態(tài) 馬鞍形高差 支撐柱 飛柱　出處：《建筑結(jié)構(gòu)學(xué)報(bào)》2016年06期 　論文類型：期刊論文

【摘要】：輪輻式張拉結(jié)構(gòu)因其優(yōu)良的受力性能,在大型體育場(chǎng)館結(jié)構(gòu)體系的應(yīng)用中具有獨(dú)特的優(yōu)勢(shì)。為了適應(yīng)建筑形態(tài)的變化,對(duì)輪輻式張拉結(jié)構(gòu)幾何形態(tài)進(jìn)行了系統(tǒng)分析和研究,以達(dá)到結(jié)構(gòu)型式與建筑形態(tài)的融合。分別對(duì)輪輻式張拉結(jié)構(gòu)的平面形態(tài)、屋面形態(tài)和飛柱高度等進(jìn)行了研究,并針對(duì)輪輻式張拉結(jié)構(gòu)內(nèi)拉環(huán)邊界和建筑內(nèi)環(huán)不重合情況,提出了內(nèi)拉環(huán)作為建筑橢圓邊界的內(nèi)切圓和外切圓兩種處理方法。通過(guò)分析可知,對(duì)于EC型(內(nèi)環(huán)平面為圓形,外環(huán)平面為橢圓形)結(jié)構(gòu),外壓環(huán)短軸與長(zhǎng)軸之比應(yīng)大于0.8,對(duì)于CE型(外環(huán)平面為圓形,內(nèi)環(huán)平面為橢圓形)結(jié)構(gòu),內(nèi)拉環(huán)短軸與長(zhǎng)軸之比應(yīng)大于0.8;屋面馬鞍形高差小于15 m時(shí),宜采用雙層輪輻式張拉結(jié)構(gòu),且高差越小結(jié)構(gòu)的受力性能越好,屋面馬鞍形高差大于15 m時(shí),宜采用單層輪輻式張拉結(jié)構(gòu),且高差越大結(jié)構(gòu)的受力性能越好;對(duì)于體育場(chǎng)跨度為230~250 m,屋蓋懸挑長(zhǎng)度為55~60 m,內(nèi)拉環(huán)飛柱的高度宜取14~18 m,飛柱高度12 m以下的結(jié)構(gòu),其受力性能較差,不建議采用。
[Abstract]:Because of its excellent mechanical performance, the spoke tensioning structure has a unique advantage in the application of large-scale stadiums and gymnasiums, in order to adapt to the change of architectural form. The geometrical form of the spoke tensioning structure is analyzed and studied systematically in order to achieve the fusion of the structural form and the architectural form. The plane shape of the spoke tensioning structure is separately studied. The roof shape and flying column height are studied, and the boundary of the inner tension ring and the inner ring of the building are not coincident with each other. Two processing methods of inner tangent circle and outer tangent circle of inner pull ring as the elliptic boundary of building are put forward. Through analysis, it can be known that for EC type structure (inner ring plane is circular, outer ring plane is elliptical). The ratio of the short axis to the long axis of the outer pressure ring should be greater than 0.8, and the ratio of the short axis of the inner pull ring to the long axis should be greater than 0.8 for the CE type (the outer ring plane is circular and the inner ring plane is elliptical); When the saddle height difference of roof is less than 15 m, the double spoke tension structure should be adopted. The smaller the height difference is, the better the mechanical performance of the structure is, and when the saddle height difference of roof is greater than 15 m. The single spoke tension structure should be adopted, and the greater the height difference is, the better the mechanical performance of the structure is. For the structure whose span is 230 ~ 250 m, roof cantilever length is 55 ~ 60 m, the height of inner pull ring flying column is 14 ~ 18 m and the height of fly column is less than 12 m. Its mechanical performance is poor, not recommended.
【作者單位】： 同濟(jì)大學(xué)建筑設(shè)計(jì)研究院(集團(tuán))有限公司;同濟(jì)大學(xué)土木工程學(xué)院;
【分類號(hào)】：TU398.9
【正文快照】： 0引言輪輻式張拉結(jié)構(gòu)受力合理,造型優(yōu)美,同時(shí)能夠與建筑功能及造型完美結(jié)合。該結(jié)構(gòu)體系源于自行車輪輻條結(jié)構(gòu),內(nèi)拉環(huán)和外壓環(huán)通過(guò)徑向索連接,形成自平衡受力體系。輪輻式張拉結(jié)構(gòu)在發(fā)展過(guò)程中形成了內(nèi)凹形和外凸形兩種基本體系(圖1),兩種結(jié)構(gòu)體系不僅屋面造型不同,結(jié)構(gòu)的受力

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