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(甘肅省建筑設(shè)計(jì)研究院有限公司， 蘭州 730030)

［摘要］甘肅科技館球幕影院看臺(tái)以下部分采用鋼筋混凝土結(jié)構(gòu)，看臺(tái)以上部分采用內(nèi)外兩層球面鋼網(wǎng)殼結(jié)構(gòu)，兩層網(wǎng)殼間無聯(lián)系。外殼采用肋環(huán)形單層球面網(wǎng)殼，節(jié)點(diǎn)采用帶蓋板的焊接圓筒節(jié)點(diǎn)；內(nèi)殼采用局部加斜桿的肋環(huán)形單層球面網(wǎng)殼，節(jié)點(diǎn)采用一般焊接球節(jié)點(diǎn)。對(duì)基礎(chǔ)及看臺(tái)結(jié)構(gòu)選型進(jìn)行了簡述，闡述了混凝土部分及網(wǎng)殼結(jié)構(gòu)分析計(jì)算方法，此外對(duì)外殼節(jié)點(diǎn)設(shè)計(jì)進(jìn)行重點(diǎn)敘述。分析表明：混凝土看臺(tái)結(jié)構(gòu)及網(wǎng)殼結(jié)構(gòu)選型對(duì)建筑功能適應(yīng)性良好，結(jié)構(gòu)安全可靠，網(wǎng)殼及節(jié)點(diǎn)設(shè)計(jì)合理、美觀。 

［關(guān)鍵詞］甘肅科技館球幕影院；肋環(huán)形單層球面網(wǎng)殼；幾何非線性；圓筒節(jié)點(diǎn) 

中圖分類號(hào)：TU391 文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)14-0001-06

 Structural design of ball screen cinema in Gansu Science and Technology Museum 

JIANG  Chongyang,  ZHANG  Jutao,  WANG  Dong,  YAO  Peixin 

(Gansu Institute of Architectural Design & Research Co., Ltd., Lanzhou 730030，China) 

Abstract: The ball screen cinema of Gansu Science and Technology Museum adopts an reinforced concrete structure below the stand, and the above part adopts an inner and outer spherical steel latticed shell structure, and there is no connection between the two layers of the shells. The outer shell is made of ribbed annular single-layer spherical latticed shell, and the joints are welded cylindrical joints with cover plates. The inner shell is a ribbed annular single-layer spherical latticed shell  with partial inclined rod, and the joints are generally welded ball joints. The selection of foundation and stand structure was briefly described, and the analysis and calculation method of concrete part and latticed shell structure were described. In addition, the design of outer shell joints was emphasized. The analysis shows that the selection of concrete stand structure and latticed shell structure has good adaptability to the building function, the structure is safe and reliable, the latticed shell and joint design is reasonable and beautiful. 

Keywords:ball screen cinema in Gansu Science and Technology Museum； ribbed annular single-layer spherical latticed shell； geometric nonlinearity； cylindrical joint

作者簡介：江重陽，學(xué)士，正高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:jiangcy@139.com。