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        검색결과 2

        1.
        2018.04 서비스 종료(열람 제한)
        In this paper, a friction loss estimation method of PS tendon using EM sensor is proposed. PSC girder has many advantages. It is higher in performance and lower in cost design than existing concrete girder. So It is widely used in many structures such as bridges nowadays. However, though in the performance evaluation of PSC girder it is verified whether or not the design tension is applied before construction, the part about the management of the tension loss during construction is insufficient. In this study, the experimental data of friction loss obtained by introducing tensile force on 50m PSC girder and the theoretical values calculated by friction coefficient are compared and analyzed.
        2.
        2015.04 서비스 종료(열람 제한)
        PSC continuous girders have been used to improve the stability of simply supported girders. The loss of prestress is one of important factors for rational design and construction of the PSC girders. Measurements of prestress loss were conducted with the several test variables that reflect the conditions of continuous joint. Results show that the prestress loss is closely related to a eccentricity.