介绍了该断面初期支护参数、由区间标准断面转换到三连拱隧道的工法及工程效果。
Primary supporting parameters, construction method transformation from the normal route tunnel to the three-connected-arch tunnel, and engineering practice effects are introduced respectively.
主要叙述了汾离高速公路采用预应力装配式混凝土T型梁标准结构的起拱度控制方法。
The paper mainly introduced the control method of standard structure springing for assembling prestress concrete t beam.
本文论述起重机主梁的上拱度及预拱曲线的基本原理，介绍了国内外起重机技术标准中规定的上拱度值。
This paper discusses the question of crane main girder camber and the pre-cambering curve, introducing camber values stipulated in related crane standards in China and abroad.
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