The paper introduces longitudinalconstruction method externally prestressed at pier's top when simply-supported structure turns to continuous hierarchy.
介绍了简支结构变连续体系在墩顶处施加纵向体外预应力的施工方法。
2
The stability problem of the ventilating silo and transport business process for the longitudinal ventilated tunnel will arise during the construction.
在纵向式通风的隧道中，不可避免的出现通风竖井在施工和营运过程中的稳定性问题。
3
The paper mainly analyses the methods to reduce transverse joint and longitudinal joint in construction process of asphalt pavement, and introduces how to choose reasonable compacting equipment.