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    袁國泉¹，袁文龍²，朱棟良²
    （1 江蘇鎮(zhèn)江建科建筑科學(xué)研究院有限公司，鎮(zhèn)江212004；2 江蘇省巖土工程公司鎮(zhèn)江分公司，鎮(zhèn)江212003）

[摘要] 通過在常州偉業(yè)大廈深基坑支護(hù)工程中采用密排鉆孔灌注樁加錨桿-型鋼鎖定法，嘗試探尋在深基坑支護(hù)施工中非常方便的一條途徑，拓展了深基坑支護(hù)形式的多樣性，打破了傳統(tǒng)的深基坑內(nèi)支撐結(jié)構(gòu)形式，為現(xiàn)代高層建筑地下結(jié)構(gòu)施工提供了又一工程實(shí)例。
[關(guān)鍵詞] 密排鉆孔灌注樁；錨桿；基坑；鎖定法

Design and application of section steellocking method of the reinforcement and protection in deep foundation pit: close-packed bored piles with anchor bolt
Yuan Guoquan¹,  Yuan Wenlong², Zhu Dongliang²
(1 Zhenjiang Jianke Research Institute of Building Sciences Co.,Ltd.,Zhenjiang 212004,China; 2 Zhenjiang Branch of Jiangsu Geotechnical Engineering Company, Zhenjiang 212003, China)

Abstract: According to the adoption of the section steel locking method, which used close-packed bored piles with anchor bolt in the reinforcement and protection of deep foundation pit in Changzhou Weiye Building, it concentrated on the attempt of seeking a convenient way for the reinforcement and protection in deep foundation pit construction. It not only broaded the variety of its form and breaked the traditional inner structure, but also presented a new project instance for the underground structure construction of modern high-rise buildings.
Keywords: close-packed bored pile; anchor bolt; foundation pit; locking method