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双预应力混凝土构件是一种新颖的预应力混凝土结构型式,其主要特点是可以大幅度降低梁高。阐 明双预应力技术的工作原理,并介绍双预应力技术在国内外公路工程中的应用情况。
The double prestressed concrete component is a kind of novel prestressed concrete structure type, its main characteristic is that it can greatly reduce the beam height. Clarify the working principle of double prestressing technology and introduce the application of double prestressing technology in highway engineering at home and abroad.