为了解预应力钢绞线张拉顺序对新老混凝土组合梁力学性能的影响，进行了双T形截面新老混凝土组合梁试验研究。
The old and new concrete of composite beam with double T-section was tested to investigate the effect of tension sequence of prestressing tendon on mechanical behavior of composite beam.
钢绞线下料时，留足端部张拉位置所必须的长度。
The preparation materials of steel strands, the enough length by end part tensioning position shall be required.
预应力张拉施工中夹片、钢绞线和锚环之间存在着很大的摩擦阻力。
There is much prestressing loss for friction resistance among wedge, steel strand and anchor-ring in engineering.
在桥梁短索钢绞线预应力的施工中，锚夹具在张拉时的回收对钢绞线伸长值的量测有着不可忽略的影响。
During the prestressed construction of bridge, the field of anchor holder while straining has greatly influenced the measurement on the elongation indicators of lanyard steel strand.
对张拉钢绞线施工中断丝、滑丝现象予以理论分析，并据此指导施工。
This paper analyses filament breakage and sliding wire of pretensioned concrete, so it can provides guidance of construction.
阐述了桥梁板的施工工艺，该工艺实现了整体张拉、整体放张，使钢绞线逐根受力均匀，施工速度快，能保证梁端的质量。
This technology realizes integral tension and relaxation to ensure the homogeneous deformation of steel cable, so that the construction speed is enhanced and the quality of beam end is ensured.
阐述了桥梁板的施工工艺，该工艺实现了整体张拉、整体放张，使钢绞线逐根受力均匀，施工速度快，能保证梁端的质量。
This technology realizes integral tension and relaxation to ensure the homogeneous deformation of steel cable, so that the construction speed is enhanced and the quality of beam end is ensured.
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