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國(guó)家網(wǎng)球館“鉆石球場(chǎng)”結(jié)構(gòu)設(shè)計(jì)
范重,范學(xué)偉,趙長(zhǎng)軍,彭翼,吳學(xué)敏,胡純煬
摘 要
范重,范學(xué)偉,趙長(zhǎng)軍,彭翼,吳學(xué)敏,胡純煬
(中國(guó)建筑設(shè)計(jì)研究院, 北京 100044)
 
摘要]國(guó)家網(wǎng)球館“鉆石球場(chǎng)”是一座帶有開(kāi)合屋蓋的現(xiàn)代化體育建筑,看臺(tái)采用現(xiàn)澆鋼筋混凝土結(jié)構(gòu),外立面16組V形柱與環(huán)向框架及48榀徑向框架共同構(gòu)成抗側(cè)力體系。為了防止基礎(chǔ)在地震作用下發(fā)生破壞,在主體結(jié)構(gòu)外立面的底部設(shè)置環(huán)形承臺(tái),從而使基礎(chǔ)的抗震性能顯著提高。固定屋蓋在活動(dòng)屋蓋移動(dòng)范圍內(nèi)為雙層平面網(wǎng)格結(jié)構(gòu),活動(dòng)屋蓋的移動(dòng)范圍以外為三層網(wǎng)格結(jié)構(gòu),并通過(guò)設(shè)置4組中間支承點(diǎn),有效增強(qiáng)了屋蓋剛度,有利于活動(dòng)屋蓋平穩(wěn)運(yùn)行。為了避免支座出現(xiàn)上拔力,在屋蓋結(jié)構(gòu)卸載以及所有荷重施加完畢后最終固定部分支座。在進(jìn)行空間結(jié)構(gòu)網(wǎng)格布置時(shí),充分考慮其受力特點(diǎn),對(duì)屋蓋開(kāi)口周邊、尤其是軌道桁架部位進(jìn)行了加強(qiáng)。采用部分桿件之間搭接焊的方式有效減小焊接空心球直徑。固定支座安裝嚴(yán)格控制在設(shè)計(jì)合攏溫度要求的范圍內(nèi)進(jìn)行,避免出現(xiàn)過(guò)大的正溫差或負(fù)溫差。
關(guān)鍵詞]國(guó)家網(wǎng)球館;看臺(tái)混凝土結(jié)構(gòu);大跨度結(jié)構(gòu);開(kāi)合屋蓋;焊接球節(jié)點(diǎn);鑄鋼節(jié)點(diǎn)
中圖分類號(hào):TU318        文獻(xiàn)標(biāo)識(shí)碼:A        文章編號(hào):1002-848X(2013)04-0001-09
 
Structural design on National Tennis Court “Diamond Stadium”
Fan Zhong, Fan Xuewei, Zhao Changjun, Peng Yi, Wu Xuemin, Hu Chunyang
(China Architecture Design and Research Group, Beijing 100044, China)
 
Abstract: National Tennis Court “Diamond Stadium” is a modern sports building with retractable roof. The grandstand is the reinforced concrete structure, which is consist of normal frameworks,48 radial frameworks and 16 groups of V-shaped columns decorated in the external facade. In order to prevent the basement damage under earthquake, the annular pile cap is layout at the bottom of the facade columns. For the fixed roof, the double-layer flat grid structure is adopted in the moving area of retractable roof, and the tri-layer flat grid structure is adopted outside the moving area of retractable roof. The roof stiffness is increased by 4 middle bearings and tri-layer flat grid structure, and the measures can make the retractable roof run smoothly. In order to avoid bearings being in tension, some of the bearings should be finally fixed after main loads are applied. The parts of the fixed roof under railway of the moving roofs and edges of the opening areas are strengthened so that it can satisfy the mechanics character of the roof. In order to reduce the diameter of welded spherical joints, overlapped tubes is adopted at some special joints. When the spherical bearings are installed, temperature is strictly controlled to avoid possible temperature stress in the roof in the future.
Keywords: National Tennis Court; grandstand concrete structure; large span structure; retractable roof; welded spherical joint; cast steel joint
作者簡(jiǎn)介:范重,博士,教授級(jí)高級(jí)工程師,一級(jí)注冊(cè)結(jié)構(gòu)工程師, Email:fanz@cadg.cn。
 
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