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王為群1，劉亞宇1，王 強(qiáng)1，曹云鋒1，馮 云2
（1 中國紡織工業(yè)設(shè)計院，北京100037；2 中材地質(zhì)工程勘察研究院，北京100102）[摘要] 在滁州市某聚酯工程中，采用載體樁技術(shù)與CFG樁法相結(jié)合，取其各自優(yōu)點，發(fā)展成新的地基處理方法——載體樁復(fù)合地基。該方法既能充分發(fā)揮樁問土的承載力，又能縮短樁長、減少地基的變形，與其他的樁基礎(chǔ)設(shè)計相比，可縮短工期、降低投資成本。
[關(guān)鍵詞] 載體；三擊貫入度；褥墊層；復(fù)合地基Design of composite foundation with composite bearing base and cement-flyash-graved pile
Wang Weiqun1, Liu Yayu1, Wang Qiang1, Cao Yunfeng1, Feng Yun2
(1 China Textile Industrial Engineering Institute, Beijing 100037, China; 2 Zhongcai Geo-engineering Exploration Institute)Abstract: A new technology of ground treatment that adopted the advantages of both ram-compaction piles with composite bearing base and cement-flyash-graved piles was introduced. This technology developed the method of ground treatment. The author introduced the principles and method of design for ram-compaction piles with composite bearing base and cement-flyash-graved pile, and how form composite foundation, and single pile bearing capacity and characteristic value of composite foundation bearing capacity and calculation of settlement were introduced detailedly.
Keywords: composite bearing base; depth of three beat; bedtick layer; composite foundation
