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[提要]  瀕臨海邊的深基坑，地層含水量高，滲透性大，易受海水滲透影響，在這類(lèi)基坑中應(yīng)用預(yù)應(yīng)力錨桿技術(shù)困難極大，鮮有成功的工程經(jīng)驗(yàn)。在廈門(mén)郵電大廈深基坑支護(hù)的預(yù)應(yīng)力錨桿工程中，采用一種“孔口堵水注漿”的施工方法，取得成功，可為類(lèi)似工程提供借鑒。
[關(guān)鍵詞]  深基坑 預(yù)應(yīng)力錨桿 海水滲透 孔口堵水注漿

It is difficult to use pre-stress anchor technique to the deep excavation pit on the coast, in which the straum is highly filled with water and subjected to the penetration of sea water, therefore there is no successful expenience. But now, successful application for the pre-stress anchor technique in the same case has been gained by use of one construction method of "orifice ponding pouring" in the deep excavation pit supporting in Xiamen Postal Edifice, which can be taken for example on similar engineerings.
Keywords:  deep excavation pit; pre-stress anchor; penetration of sea water; orifice ponding pouring