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(恒天(江西)紡織設(shè)計(jì)院有限公司,南昌 330096)

[摘要]江西南昌首例CFG樁的工程實(shí)踐表明，在類(lèi)似南昌地質(zhì)采用CFG樁是安全可靠的。對(duì)南昌地區(qū)常用的鉆孔灌注樁、預(yù)應(yīng)力管樁在力學(xué)分析的基礎(chǔ)上與CFG樁進(jìn)行了經(jīng)濟(jì)比較，表明CFG樁在南昌地區(qū)屬于一種經(jīng)濟(jì)的深基礎(chǔ)處理方案。單樁豎向承載力特征值經(jīng)驗(yàn)公式和靜載試驗(yàn)的差別是工程中設(shè)計(jì)人員常遇到的問(wèn)題。

[關(guān)鍵詞]CFG樁;復(fù)合地基承載能力特征值;力學(xué)分析;經(jīng)濟(jì)

中圖分類(lèi)號(hào)：TU473.1   文獻(xiàn)標(biāo)識(shí)碼：A    文章編號(hào)：

Adaptative analysis of CFG pile Used in Nanchang

(China  Hi-Tech（JiangXi）Textile  Design  Institute  Co., Ltd., Nanchang 330096，China)

Xu Guoping

Abstract:The first construction of CFG pile has been practiced in Nanchang, Jiangxi Province. The success indicated that CFG pile could be used in Nanchang securely and reliably . Compared with cast-in-situ bored pile & prestressed pipe pile which are used commonly here, CFG pile is a kind of cost-effective treatment methods for deep foundations based on mechanical analysis. The reference value of bearing capacity of single pile is different that calculated in experience  formular & static loading test.  It’s a problem which designer need to face usually in project.

Keywords: CFG pile； reference value of  bearing capacity of composite foundation；mechanical analysis ；cost-effective

參考文獻(xiàn)

[1]毛前，龔曉南.樁體復(fù)合地基柔性墊層的效用研究【J】.巖土力學(xué)，1998（6）.

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作者簡(jiǎn)介：許國(guó)平，學(xué)士，高級(jí)工程師，副院長(zhǎng)，Email：Xgp21@263.net。