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（清華大學(xué)建筑設(shè)計(jì)研究院有限公司， 北京 100084）
［摘要］周口店遺址第一地點(diǎn)（猿人洞）保護(hù)建筑的主體結(jié)構(gòu)為單層異形鋼網(wǎng)殼，此結(jié)構(gòu)最大斜向跨度83m，通過山頂和山腳兩排鉸接支座進(jìn)行支撐，基礎(chǔ)高差約33m。單層網(wǎng)殼桿件通過相貫焊接進(jìn)行連接，相貫焊接對節(jié)點(diǎn)剛度的影響通過包絡(luò)設(shè)計(jì)法考慮。通過風(fēng)洞試驗(yàn)得到了風(fēng)壓系數(shù)及極值風(fēng)壓分布情況。對結(jié)構(gòu)進(jìn)行了靜力和動力分析、抗震性能化設(shè)計(jì)、穩(wěn)定性分析。分析結(jié)果表明，結(jié)構(gòu)各項(xiàng)指標(biāo)均滿足規(guī)范要求。對相貫節(jié)點(diǎn)的承載力進(jìn)行了驗(yàn)算，結(jié)果表明，大部分節(jié)點(diǎn)承載能力滿足要求，節(jié)點(diǎn)的剛性可以得到保證。單層網(wǎng)殼結(jié)構(gòu)對基礎(chǔ)變形非常敏感，參考大壩設(shè)計(jì)經(jīng)驗(yàn)，選用條形抗推基礎(chǔ)，保證了基礎(chǔ)的剛性和受力。
［關(guān)鍵詞］周口店遺址第一地點(diǎn)； 猿人洞； 鋼結(jié)構(gòu)； 單層異形網(wǎng)殼； 抗推基礎(chǔ)； 抗震性能化設(shè)計(jì)； 穩(wěn)定性
中圖分類號：TU393-3文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2020)12-0064-06
Structural design of first site (ape man cave) protective building in Zhoukoudian Ruins
MA Zhigang, CUI Guanghai, LI Zengchao, JIANG Bingli, WANG Jing
(Architectural Design & Research Institute of Tsinghua University Co., Ltd., Beijing 100084, China)
Abstract:The main structure of first site (ape man cave) protective building in Zhoukoudian Ruins is a single-layer special-shaped steel latticed shell with a maximum oblique span of 83m. It is supported by hinged supports at the top and bottom of the mountain, with about 33m height difference. The single-layer latticed shell members were connected by intersecting welding, and the influence of intersecting welding on the stiffness of the joint was considered by the envelope design method. Through wind tunnel test, the wind pressure coefficient and extreme wind pressure distribution were obtained. The static and dynamic analysis, seismic performance design and stability analysis of the structure were carried out. The analysis results show that all the structural indicators meet the specifications. The bearing capacity of the intersecting nodes was checked, and the results show that the bearing capacity of most nodes meets the requirements and the rigidity of the nodes can be guaranteed. The single-layer latticed shell structure is very sensitive to the deformation of the foundation. With reference to the design experience of the dam, the strip-shaped anti-push foundation was selected to ensure the rigidity and stress of the foundation.
Keywords:first site in Zhoukoudian Ruins； ape man cave; steel structure; single-layer special-shaped latticed shell; anti-push foundation; seismic performance design; stability
作者簡介：馬智剛，碩士，正高級工程師，一級注冊結(jié)構(gòu)工程師，Email:mazhigang@thad.com.cn。
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