摘要
本文分析某公路桥现场预制PC梁出现大面积空洞的教训,提出采用后张法预制PC梁的相应措施,并在昆曲高速公路上应用,取得良好效果。
The paper analyzes the failure of precasting the PC beams in situ for a certain highway bridge, and proposes the corresponding measures for the construction of the posttensioning precast PC beams. These measures were applied on the KunmingQujing expressway, and good result had been obtained.
出处
《铁道工程学报》
EI
1997年第4期45-48,共4页
Journal of Railway Engineering Society
关键词
预应力混凝土梁
预制
后张法
施工经验
PC beam
precast
posttensioning method
construction experience