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      吳金維  王亞?wèn)|  張利新
    （河北省石油化工規(guī)劃設(shè)計(jì)院 石家莊 050051）

[提要]  簡(jiǎn)述了剛性樁復(fù)合地基及其工程特性，提供了將其用于超百米高層建筑的工程實(shí)例和設(shè)計(jì)計(jì)算方法，成功地用變厚度褥墊層消除了不均勻沉降。提出了采用復(fù)合地基尚需考慮的若干問(wèn)題。剛性樁復(fù)合地基與傳統(tǒng)樁基相比，經(jīng)濟(jì)、環(huán)境、社會(huì)效益顯著。
[關(guān)鍵詞]  剛性樁復(fù)合地基 高層建筑 變厚度褥墊層

Composite foundation with rigid piles and its properties are introduced in brief.A project example, as
well as the design calculation method of applying it,in superhigh-rise buildings is provided. The differ-
ential settlement is successfully eliminated with varied thickness mattress layer.  Compared with tradi-
tional pile foundation, it has remarkable economic, environmental and social profits.
Keywords:  composite foundation; rigid piles; high-rise building; varied thickness mattress layer