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（1 河北建筑工程學(xué)院， 張家口 075024； 2 山東眾成地產(chǎn)有限公司， 東營(yíng) 257091；3 宣化科技職業(yè)學(xué)院， 張家口 075000）

［摘要］針對(duì)黃河三角洲軟土地區(qū)某高層住宅的樁基施工過(guò)程中存在的靜壓樁終止壓力不足的情況，基于靜壓樁沉樁基本原理及單樁極限承載力恢復(fù)的基本條件，從勘察設(shè)計(jì)、施工過(guò)程、土體分析、單樁極限承載力計(jì)算等方面進(jìn)行研究，分析了靜壓樁終止壓力與單樁極限承載力之間的關(guān)系，從而確定原樁基設(shè)計(jì)承載力的正確性。

［關(guān)鍵詞］極限承載力； 靜壓樁； 終止壓力； 樁基設(shè)計(jì)； 時(shí)間效應(yīng)

中圖分類號(hào)：TU473.1     文獻(xiàn)標(biāo)識(shí)碼：A     文章編號(hào)：1002-848X(2015)06-0086-03

Research on the relationship between the termination pressure of static  pressure pile and ultimate bearing capacity of  single pile in soft soil area

Bi Quanchao1, Li Wujiang2, Zhu Shouqin1, Wang Yong3

（1 Hebei Institute of Architecture and Civil Engineering, Zhangjiakou 075024， China；

2 Shandong Zhongcheng Real Estate Co., Ltd., Dongying 257091, China;

3 Xuanhua Science & Technology Vocational College, Zhangjiakou 075000, China)

Abstract:Considering the lack of termination pressure of static pressure pile in highrise residential pile foundation construction process in the Yellow River delta area, theory research was carried out on different aspects of survey and design, construction process, soil analysis and pile ultimate bearing capacity calculation based on construction principle of the static pressure pile and the basic condition of ultimate bearing capacity recovery of single pile. The relationship between the termination pressure of static pressure pile and  ultimate bearing capacity of single pile was analyzed to ensure the correctness of the bearing capacity of  the pile foundation.

Keywords:ultimate bearing capacity; static pressure pile; termination pressure; pile foundation design; time effect

作者簡(jiǎn)介：畢全超，碩士，副教授，Email:hbjzdxbqc@sina.com。

                        參考文獻(xiàn)

［1］JGJ 94—2008 建筑樁基技術(shù)規(guī)范［S］.北京：中國(guó)建筑工業(yè)出版社，2008.

［2］JGJ 106—2003 建筑基樁檢測(cè)技術(shù)規(guī)范［S］.北京：中國(guó)建筑工業(yè)出版社，2003.