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凌育洪1，凌宏華2，吳昀澤2，劉 榮2
(1 華南理工大學(xué)建筑設(shè)計(jì)研究院，廣州510641; 2 華南理工大學(xué)土木工程系，廣州510640)[摘要] 某下沉式廣場在施工過程中遭受暴雨襲擊，造成地下室不均勻上浮，最大上浮量為191mm。針對該工程事故，分析了上浮和開裂產(chǎn)生的原因，制定了相應(yīng)的加固處理方案。重點(diǎn)介紹了采用預(yù)應(yīng)力錨桿以消除變形差異在結(jié)構(gòu)內(nèi)部產(chǎn)生附加內(nèi)力的方法，取得了預(yù)期的效果。
[關(guān)鍵詞] 下沉式廣場；上??；抗浮錨桿；附加內(nèi)力Analysis and solutions for a sunken plaza rising
Ling Yuhong1, Ling Honghua2, Wu Yunze2, Liu Rong2
(1 Architecture Design Institute of South China University ofTechnology, Guangzhou 510641, China; 2 Department of Civil Engineering of South China University ofTechnology, Guangzhou 510640, China)Abstract: A basement of sunken plaza was subjected to rainstorm during the construction period, which made the basement float unevenly, and the maximum floating value was 191mm. The causes of floating and cracking were analyzed, and reinforcement programs were made accordingly.Prestressed anchors were used in order to eliminate additional internal force, which was generated by uneven deformation, and expected effects were obtained.
Keywords: sunken plaza; floating up;anti-floating anchor;additional internal force
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