摘要
采用中心配束原则和永久束、临时束、后期束３种预应力束型式，来达到施工和运营两个阶段的统一、协调。并采取控制腹板间距、调整预力应束横向布置的措施，来减少宽箱梁剪力滞效应的影响。
Using several models of prestress tendon and some measures of web plate pace control etc.,which can reduce the influence of wide box beam shear lag effect.
出处
《山西交通科技》
1999年第6期25-26,共2页
Shanxi Science & Technology of Transportation
关键词
顶推施工
宽箱梁
预应力束
剪力滞效应
incremental launching construction
wide box beam
prestress tendon
shear lag effect
