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管自立 （溫州市建筑設(shè)計研究院 325000）
[提要] 從基礎(chǔ)設(shè)計基本準則出發(fā)，給出廣義復合樁基的概念及其工程應(yīng)用實例。廣義復合樁基是基于常規(guī)概念的復合樁基——疏樁基礎(chǔ)的延伸與發(fā)展，擴大了復合樁基內(nèi)涵及其應(yīng)用范疇，不僅適用于多層，而且可應(yīng)用于小高層乃至高層。同時提出軟地基基礎(chǔ)的“雙控設(shè)計”方法，進一步論述復合樁基有關(guān)設(shè)計問題，并提出了基礎(chǔ)的分類方法及其分類核模擬圖。
[關(guān)鍵詞] 廣義復合樁基 疏樁率 雙重功能 雙元地基 雙控設(shè)計模擬人工土 分類核In accordance with the foundation design rules, this paper brings forward the concept of generalized composite pile foundations, and probes into its applications in construction,which is an extension and development from the notion of conventional composite pile foundations( thinned pile foundations). Therefore, composite pile foundations can find wide application, not only applied to multi-storied buildings but also to high-rise buildings. The paper also argues the "double control" over the design for foundations on a soft ground, further expounds the design related to composite pile foundations and provids a simulated diagram for pile foundation classification.
Keywords: generalized composite pile foundation; pile thinning rate; double functions; binary foundation; double control design; simulated artificial soil; classification diagram
