世界上最长的一根水底顶管工程,将在深圳湾动工兴建。 目前,国内水底顶管最长的是上海节黄浦江上游引水工程中的南市水厂过江管,其长1120m;国外最长的水底顶管是德国汉堡1200m的污水管。这次深圳污水排海放流管主管长达1700m,直径2.6m,每天可排放70万m~3污水。 The longest underwater pipe jacking project in the world will begin construction in Shenzhen Bay. At present, the longest domestic water bottom pipe is the Nanshi waterworks crossing pipe in the upper reaches of the Huangpu River water diversion project in Shanghai, and its length is 1120m; the longest water bottom pipe in the foreign country is the 1200m sewage pipe in Hamburg, Germany. This time, the head of the sewage discharge pipe in Shenzhen was 1,700 meters long and 2.6 meters in diameter. It can discharge 700,000 cubic meters of sewage every day.