預(yù)制樁沉樁可行性分析實(shí)用方法
劉金皊1,張益凡1,李娜1,李東2
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劉金皊1,張益凡1,李娜1,李東2(1 中國(guó)聯(lián)合工程公司, 杭州 310022; 2 上海大學(xué)土木工程系, 上海 200444)[摘要]對(duì)預(yù)制樁沉樁阻力發(fā)生機(jī)理進(jìn)行了探討,在此基礎(chǔ)上,結(jié)合試驗(yàn)研究、有限元仿真分析以及工程經(jīng)驗(yàn),提出了沉樁阻力估算方法、沉樁過(guò)程中樁身允許抗壓承載力計(jì)算公式和沉樁可行性判別標(biāo)準(zhǔn)。方法在工程實(shí)踐中取得了較為滿意的效果。[關(guān)鍵詞]預(yù)制樁; 沉樁阻力; 樁身承載力; 實(shí)用方法; 可行性分析中圖分類(lèi)號(hào):TU473文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002848X(2013)11009206Practical method research on feasibility analysis of precast pilesinkingLiu Jinling1, Zhang Yifan1, Li Na1, Li Dong2 (1 China United Engineering Corporation, Hangzhou 310022, China; 2 Department of Civil Engineering, Shanghai University, Shanghai 200444, China)Abstract:The mechanism of pilesinking resistance was discussed. Based on the experimental study, finite element analysis and experiences, the methods were posed, which can calculate pilesinking resistance and bearing capacity of pile. A practical method to analyzing the feasibility of pilesinking was posed and applied in engineering. The results showed that this method has desirable satisfactory effect in actual engineering.Keywords:precast pile; pilesinking resistance; bearing capacity of pile; practical method; feasibility analysis*中國(guó)聯(lián)合工程公司技術(shù)發(fā)展基金項(xiàng)目(10ky\|15)。作者簡(jiǎn)介:劉金皊,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:liujl@chinacuc.com。參考文獻(xiàn)[1]高大釗. 軟土地基理論與實(shí)踐[M]//朱小林. 預(yù)估樁的沉樁阻力和沉樁可能性. 上海:同濟(jì)大學(xué)出版社,1992:125131.[2]鄭剛,顧曉魯. 軟土地基上靜力壓樁若干問(wèn)題的分析[J]. 建筑結(jié)構(gòu)學(xué)報(bào),1998,19(4):5460.[3]張明義,劉俊偉,王靜靜,等.計(jì)算靜壓樁沉樁阻力的綜合調(diào)節(jié)系數(shù)法[J]. 重慶建筑大學(xué)學(xué)報(bào):自然科學(xué)版,2007,29(6):3538.[4]李雨濃,李鏡培,趙仲芳. 基于靜力觸探試驗(yàn)的靜壓樁阻力估算[J]. 路基工程,2010,150(3):6769.[5]樊向陽(yáng),顧國(guó)榮,黃宏偉. 上海地區(qū)沉樁阻力估算方法分析探討[J].力學(xué)季刊, 2004,25(2):219225.
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