嘉禾園深基坑工程優(yōu)化設(shè)計(jì)
張敏1,賴(lài)允瑾2,徐文希1,楊玉坤1
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(1 蘇州設(shè)計(jì)研究院股份有限公司, 蘇州 215021; 2 同濟(jì)大學(xué)土木工程學(xué)院地下建筑與工程系, 上海 200092)[摘要]嘉禾園地下停車(chē)庫(kù)工程位于廈門(mén)市軟土地區(qū),共設(shè)兩層地下室,其深基坑平均深12.95m,工程在圍護(hù)樁施工完成后,由于工期要求由順做法改為逆作法,節(jié)約了施工工期。通過(guò)對(duì)比順作法和逆作法兩種施工工法的內(nèi)力、位移、造價(jià)、施工工期等方面可知,在軟土地區(qū)深基坑工程中,采用以梁板結(jié)構(gòu)代替支撐的逆作法施工具有良好的經(jīng)濟(jì)效益和社會(huì)效益。[關(guān)鍵詞]順作法; 逆作法; 優(yōu)化設(shè)計(jì)中圖分類(lèi)號(hào):TU473.2 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1002-848X(2013)20-0118-04Optimization design of deep foundation pit project of Jiahe ParkZhang Min1, Lai Yunjin2, Xu Wenxi1, Yang Yukun1(1 Suzhou Institute of Architectural Design Co., Ltd., Suzhou 215021, China; 2 Ment of Geotechnical Engineering, Tongji University, Shanghai 200092, China)Abstract: The deep foundation pit project of Jiahe Park in Xiamen locates in soft soil area, which has two story basement with foundation pit of 12.95m depth in average. The project applies top-down construction method instead of down-top construction method to save time after construction of fender posts. The internal forces, structural displacements, cost and construction time were comparied between top-down construction method and down-top construction method, the results show that top-down construction method using beam-slab structure instead of braces is better with economic and social benefits in soft soil area.Keywords: down-top construction method; top-down construction method; optimization design作者簡(jiǎn)介:張敏,教授級(jí)高級(jí)工程師,一級(jí)注冊(cè)結(jié)構(gòu)工程師,副總工程師,Email:min.zhang@siad-c.com。參考文獻(xiàn)[1]王建華,許中華.支護(hù)結(jié)構(gòu)與主體地下結(jié)構(gòu)相結(jié)合的深基坑工程研究現(xiàn)狀[J].南昌工程學(xué)院學(xué)報(bào),2007,26(1):1-12.[2]徐至鈞,趙錫宏.逆作法設(shè)計(jì)與施工[M].北京:機(jī)械工業(yè)出版社,2002.[3]施祖元,劉興旺,益德清.杭州凱悅大酒店逆作法設(shè)計(jì)與分析[J].建筑結(jié)構(gòu),2001,31(11):44-47.[4]JGJ 120—99 建筑基坑支護(hù)技術(shù)規(guī)程[S]. 北京:中國(guó)建筑工業(yè)出版社,1999.[5]王美華,季芳.超大面積深基坑逆作法施工技術(shù)的探討[J].地下空間與工程學(xué)報(bào),2005,1(4):599-602.[6]謝小松.大型深基坑逆作法施工關(guān)鍵技術(shù)研究及結(jié)構(gòu)分析[D] 上海:同濟(jì)大學(xué),2007.
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