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(上海現(xiàn)代華蓋建筑設(shè)計(jì)有限公司 200041)
【提要】 對某工程中出現(xiàn)怠綡C工】樁質(zhì)量事故，進(jìn)行了全面詳細(xì)的檢測分析。根據(jù)樁基的實(shí)際事故情況，對整個(gè)樁基進(jìn)行詳盡的承載力、沉降量和偏心率計(jì)算，根據(jù)分析數(shù)據(jù)采取必要的加樁措施，提高樁的質(zhì)量等級，使其能滿足承載力和正常使用極限狀態(tài)要求，并且把工程損失減小到最低限度。
【關(guān)鍵詞】 PHC樁 樁基低應(yīng)薄眷測 樁】加固 樁基承載力 偏心率 剪切破壞
Analysis and Process of Prestressed Concrete Pile (PHC) Accident in a Highrise Residential Building/Cai Minjun,Cai Weijuan, Wang Yaolong,Huang Wei(Shanghai Xiandai Huagai Archit. Design Co., Ltd., Shanghai 200041,China)
Abstract:According to the real quality accident of prestressed concrete pile(PHC), and
based on overall check and analysis, effective strengthening measurements to improve the quality level of the defect pile are presented. Based on the detailed calculation of bearing capacity of pile foundation, settlement and eccentricity, some piles are added to meet the requirements of the bearing capacity and normal used limitstate. The engineering loss is reduced to the minimum.
Keywords:PHC； lowstress check； strengthening; pile core； bearing capacity； pile fou
ndation； eccentricity； shear failure