24m先张法折线配筋预应力混凝土简支梁施工技术

Construction technology of 24 m broken-line reinforced pretension prestressed concrete simple support beam

24 m折线配筋先张法预应力混凝土简支梁是一种新型结构,是青藏铁路线采用的新技术产品之一,其技术含量高,施工工艺新,施工难度大。简要介绍施工中的压力柱式先张台座、耐久性混疑土的施工控制、预应力施工工艺。

24 m broken-line reinforced pre-tensioned concrete simple support beam is a brand new structure, one of new technical products incorporated in Qing-Zang Railway, known as rich in high-tech, state-of-art in technological process, and difficulty in construction. Here is a brief of pre-tension stand, process control of durable concrete, and pre-stress technological process.