玉林第一人民醫(yī)院綜合樓基礎與結(jié)構(gòu)設計
申屠劍君，祝文畏，張楠
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申屠劍君，祝文畏，張楠（浙江省建筑設計研究院，杭州 310006）［摘要］玉林市第一人民醫(yī)院設二層地下室, 基坑開挖深度10.～12.m，地處西南巖溶發(fā)育地區(qū)。通過對場地溶洞發(fā)育情況進行分類，針對溶洞具體分布情況，采取沖孔樁、挖孔樁、鋼套筒護壁、洞頂板小口徑短鋼樁支撐等不同的處理措施，布置樁基與淺基礎結(jié)合的組合基礎。工程的設計為對山區(qū)的溶洞處理積累了經(jīng)驗。醫(yī)院主樓呈“T”形，結(jié)合豎向交通體系分散布置多個核心筒，多筒之間采用普通框架連接，有效控制結(jié)構(gòu)扭轉(zhuǎn)；在多遇地震下設計反應譜取規(guī)范反應譜和安評反應譜的包絡譜進行設計，以避免結(jié)構(gòu)周期較長時安評反應譜的不安全因素。［關鍵詞］巖溶地區(qū)；溶洞發(fā)育；沖孔灌注樁；挖孔樁；小口徑短鋼柱支撐；安評中圖分類號：TU 246-181文獻標識碼：A文章編號：1002-848X(2012)08-0078-06Foundation and structure design of Yulin First People's HospitalShentu Jianjun, Zhu Wenwei, Zhang Nan（Zhejiang Province Architectural Design and Research Institute, Hangzhou 310006, China）Abstract: Yulin First People's Hospital with two-story basement is located in karst development of south-west China. The depth of foundation pit was between 10.m to 12.m. According to the karst development characters and distribution, punch filling pile, dug pile, steel short-column support system under rock roof and steel sleeve protection were taken in arrangement of pile foundation and spread foundation. It provides the experience for dealing with the foundation in karst area. The building shows T-shape. Distribution of corewalls are combined with vertical traffic system. Corewalls are connented by frame structure. The torsion can be control effectively. To avoid the unsafety factors in long period earthquake, the envelope spectrum between code earthquake response spectrum and safety evaluation response spectrum was taken in design.Keywords: karst area; punch filling pile; dug pile; steel short-column support system; safety evaluation作者簡介：申屠劍君，高級工程師，一級注冊結(jié)構(gòu)工程師，Email：hz_tjj@163.com。參考文獻［1］中華人民共和國國家經(jīng)濟貿(mào)易委員會.DL/T 5148—2001 水工建筑物水泥灌漿施工技術規(guī)范［S］.北京:中國電力出版社,2002.［2］谷偉平，李國雄，蔣利民，等，微型鉆孔嵌巖鋼管灌注樁［J］. 巖土工程學報，2000，22(3)：348-352.［3］林石泉.微型鋼管灌注樁樁基擋墻承載力分析［J］.地下空間與工程學報，2008,4(2):341-345.［4］JGJ 94—2008 建筑樁基技術規(guī)范［S］. 北京：中國建筑工業(yè)出版社，2008.［5］GB 50011—2001 建筑抗震設計規(guī)范［S］. 2008年版.北京：中國建筑工業(yè)出版社，2008.
