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（威海景英高結(jié)構(gòu)工程事務(wù)所， 威海 264209）

［摘要］通過分析場(chǎng)地抗浮設(shè)防水位與結(jié)構(gòu)抗浮設(shè)防水位的差異，考查影響抗浮設(shè)防水位確定的各種因素，提出合理地確定地下結(jié)構(gòu)的結(jié)構(gòu)抗浮設(shè)防水位的方法和相應(yīng)的技術(shù)控制措施。通過工程案例，說明合理地確定結(jié)構(gòu)抗浮設(shè)防水位既能保證地下結(jié)構(gòu)安全，又能產(chǎn)生巨大的經(jīng)濟(jì)效益。

［關(guān)鍵詞］地下結(jié)構(gòu)； 場(chǎng)地抗浮設(shè)防水位； 結(jié)構(gòu)抗浮設(shè)防水位； 基坑支護(hù)； 地形地貌； 降排截水措施

中圖分類號(hào)： TU318.2  文獻(xiàn)標(biāo)識(shí)碼： A  文章編號(hào)： 1002-848X(2015)S2-0188-05

Rationally determining the structural water level for prevention of

up-floating of underground structures

Jing Yinggao， Wang Yanhong， Bai Bing， Sun Rui， Tian Shuyu

（Weihai Jingyinggao Structural Design INC., Weihai 264209, China）

Abstract： It is meant to investigate various factors which have influence on the determination of water level for prevention of up-floating by analyzing the differences between building site water level for prevention of up-floating and structural water level for prevention of up-floating, and therefore, to advance reasonable methods to determine structural water level for prevention of up-floating of the underground structure and corresponding technical control measures. Also, it is well explained, through the engineering cases, that a reasonable determination of the structural water level for prevention of up-floating can not only ensure the safety of the underground structure but also bring enormous economic benefit.

Keywords： underground structure; building site water level for prevention of up-floating; structural water level for prevention of up-floating; retaining and protection for excavations; reconstruction of terrain and landforms; groundwater control

作者簡(jiǎn)介：景英高,碩士,高級(jí)工程師,一級(jí)注冊(cè)結(jié)構(gòu)工程師,注冊(cè)土木工程師（巖土）,Email：jg3000@126.com。