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（中國(guó)建筑技術(shù)集團(tuán)有限公司， 北京 100013）

［摘要］承德某住宅小區(qū)各單體建筑分布于山谷之內(nèi)，對(duì)其中的7棟住宅樓的地基基礎(chǔ)設(shè)計(jì)進(jìn)行了介紹，由于建設(shè)場(chǎng)地地形復(fù)雜，原狀地面標(biāo)高和持力層巖石面均有較大起伏，所以各單體建筑根據(jù)不同地質(zhì)情況采用了不同的地基處理方式和基礎(chǔ)形式，包括人工挖孔樁基礎(chǔ)、擴(kuò)底樁基礎(chǔ)、條形基礎(chǔ)、筏板基礎(chǔ)及不同基礎(chǔ)形式的組合基礎(chǔ)。通過(guò)工程的設(shè)計(jì)和施工實(shí)踐，給出了山區(qū)地基基礎(chǔ)設(shè)計(jì)的幾點(diǎn)建議。

［關(guān)鍵詞］山地地基； 地基處理； 基礎(chǔ)設(shè)計(jì)； 人工挖孔樁； 爆破

中圖分類(lèi)號(hào)：TU470文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2016)24-0101-05

Foundation design of mountain foundation for a residential district in Chengde

Yang Huijie, Zhang Yahui

(China Building Technique Group Co., Ltd., Beijing 100013, China)

Abstract:All single buildings of the residential district in Chengde are distributed in the valley. Foundation design for seven residential buildings was introduced. Terrain of construction site is complex. The origin ground elevation rises and falls as well as supporting rock ranges. Therefore, different ground treatment  methods and foundation forms were adopted in different single buildings including artificial digging hole pile foundation, pile foundation with expanded-base, strip foundation, raft foundation and so on. According to the design and construction, some suggestions were proposed for the design of mountain foundations.

Keywords:mountain foundation; foundation treatment; foundation design; artificial digging hole pile; blast

作者簡(jiǎn)介：楊會(huì)杰，碩士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email: 93349376@qq.com。