posttensioning是什么意思

n.[建]后张,后加拉力

1. Posttensioning is commonly used in the construction of bridges and high-rise buildings.

2. The posttensioning method allows for thinner and lighter concrete structures, saving materials and reducing costs.

一种构造技术，通过在混凝土结构中应用预应力来增强其承载能力和耐久性。