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过去三十年中预应力混凝土结构在建筑技术领域内得到了迅速和广泛的发展。这种发展开始于欧洲。发展了特殊的预应力钢材和预应力体系,提供了可以产主高达1,000t预应力的单根钢丝束或大于10,000t预应力的集中钢丝束;发明了各种液压千斤顶和张拉、锚固、连接、压浆等的设备。
Prestressed concrete structures have been rapidly and extensively developed in the field of construction technology over the past three decades. This development started in Europe. The development of special prestressed steel and prestressed systems, the provision of a single steel strand capable of producing up to 1,000 t of prestressing force or a concentrated steel strand of pre-stressing of more than 10,000 t; the invention of various hydraulic jacks and tensioning, anchoring, Connection, mortar and other equipment.