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阐述了后张长直力筋张拉管理的有效方法,在实测参数的基础上提出了计算长直力筋理论伸长值的计算公式,给出了尹山大桥系杆拱加劲梁预应力束的双控张拉资料和数据,并对预应力工程的进一步提高质量提出建议。
Based on the measured parameters, the formula to calculate the theoretical elongation value of long straight tendons is presented. The formulas for calculating the tensile elongation of long straight tendons are given. Control the tension data and data, and make recommendations on the further improvement of the quality of prestressed engineering.