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（中國航空規(guī)劃設(shè)計(jì)研究總院有限公司， 北京 100120）
［摘要］樁基礎(chǔ)架空地坪是采用鋼筋混凝土梁板和樁基礎(chǔ)的一種工業(yè)廠房地坪形式,具有承載力高、沉降量小、施工質(zhì)量可控等優(yōu)勢，適用于軟土地區(qū)。與傳統(tǒng)的地坪相比，架空地坪兼具地坪和樓板的特點(diǎn)，設(shè)計(jì)比較復(fù)雜?；诠こ探?jīng)驗(yàn)，對樁基礎(chǔ)架空地坪的設(shè)計(jì)進(jìn)行較為系統(tǒng)的總結(jié)和分析。對比了不同形式架空地坪布置，對架空地坪中樁基礎(chǔ)和地坪板的計(jì)算給出建議。通過典型工程實(shí)例分析，指出對于沉降要求嚴(yán)格的廠房地坪，架空地坪更具綜合的造價(jià)優(yōu)勢。最后給出架空地坪設(shè)計(jì)中一些具體構(gòu)造做法。
［關(guān)鍵詞］樁基礎(chǔ)； 架空地坪； 平板式地坪； 梁板式地坪； 地基處理
中圖分類號：TU473-1文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2020)02-0128-05
Study on design of pile foundation elevated floor
Pei Yongzhong, Wang Yi, Zhang Guangying
(China Aviation Planning and Design Institution (Group) Co., Ltd., Beijing 100120， China)
Abstract:The pile foundation elevated floor is a kind of industrial workshop floor form which adopts reinforced concrete beam slab and pile foundation. It has the advantages of high bearing capacity, small settlement and controllable construction quality, and is suitable for soft soil area. Compared with the traditional floor, the elevated floor has the characteristics of both floor and slab, and the design is complex. Based on the engineering experience, the design of the pile foundation elevated floor was systematically summarized and analyzed. The arrangements of different types of elevated floors were compared, and some suggestions for the calculation of pile foundation and floor slab were given. Through the analysis of typical engineering examples, it was pointed out that the elevated floor has more comprehensive cost advantage for the plant floor with strict settlement requirements. Finally, some detailed construction methods in the design of the elevated floor were given.
Keywords:pile foundation; elevated floor; flat floor; beam-slab floor; soil treatment
作者簡介：裴永忠，博士，研究員級高級工程師，Email:pyz200801@126.com。
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