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新規定:黃石市高度超百米建筑禁用管樁基礎

欄目:行業(yè)新聞 發(fā)布時(shí)間:2014-08-07

 22日,市建委發(fā)布信息,按照省住建廳通知,全市各地建設、勘察、設計單位要按照《關(guān)于進(jìn)一步加強預應力混凝土管樁質(zhì)量管理的通知》的要求,合理選用管樁。
    《通知》要求,高度超過(guò)50米的高層建筑,采用管樁基礎時(shí),應設置地下室,承臺周邊及底部存在淤泥、淤泥質(zhì)土,應慎用管樁基礎。
    此外,高度超過(guò)75米的高層建筑,采用管樁必須通過(guò)專(zhuān)家論證。30層及以上、100米以?xún)鹊母邔咏ㄖ捎霉軜稌r(shí),應采用樁筏基礎,單樁抗壓承載力特征值應根據實(shí)際地質(zhì)條件,按省相關(guān)規定的單樁允許抗壓承載力特征值及靜荷載試驗值適當降低。

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