The paper used Rebar Straight Thread Sleeve Connecting Technology promoted by the Ministry of Construction and the steel scrap in site to process a set group of sleeves to be embed in the concrete wall and change the connections from of ladder and concrete wall from welding to bolt, which improved the speed of construction and ensured the construction quality and safety.%采用建设部推广的钢筋直螺纹套筒连接技术,利用工地的钢筋废料,加工成为一组组套筒,预埋于混凝土筒壁中,将爬梯与混凝土筒壁的惯用连接方式由焊接改为螺栓连接,提高了施工速度,保证了施工质量和人员安全.
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