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    朱維平，  徐志山
    （大連先鋒建筑設(shè)計(jì)咨詢(xún)有限公司，大連 116021）

[摘要] 在抗震設(shè)防烈度為8度及以上的地區(qū)，當(dāng)建筑物的基礎(chǔ)采用預(yù)應(yīng)力高強(qiáng)混凝土管樁時(shí)，應(yīng)驗(yàn)算樁的抗剪承載力能否滿(mǎn)足較大底部剪力的要求。通過(guò)某小區(qū)預(yù)應(yīng)力高強(qiáng)混凝土管樁的結(jié)構(gòu)設(shè)計(jì)，結(jié)合樁的水平承載力試驗(yàn)，探討8度區(qū)預(yù)應(yīng)力高強(qiáng)混凝土管樁的適用性，并指出了布樁設(shè)計(jì)時(shí)應(yīng)注意的關(guān)鍵問(wèn)題。
[關(guān)鍵詞] 預(yù)應(yīng)力高強(qiáng)混凝土管樁；水平承載力；水平位移
中圖分類(lèi)號(hào)：TU318    文獻(xiàn)標(biāo)識(shí)碼：A  文章編號(hào)：1002-848X(2012) Sl-0847-03

Experimental study on horizontal bearing capacity of prestressed high-intensity concrete pipe pile
    Zhu Weiping, Xu Zhishan
    ( Dalian Pioneer Architectural Design&Consulting Co., Ltd., Dalian 116021, China)

Abstract: In areas of the eight degree seisnuc fortification intensity and above, when the prestressed high-intensity concrete pipe pile is used in building foundation, it should be checked that a pile of shear bearing capacity can meet the requirements of the larger bottom shear. The applicability of prestressed high-intensity concrete pipe pile at the eight degree seismic fortification intensity was discussed, through structure design of prestressed high-intensity concrete pipe pile and horizontal bearing capacity test, and the key problems of the pile arrangement design were pointed out.
Keywords: prestressed lugh-intensity concrete pipe pile; horizontal bearing capacity; horizontal displacement