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Wichard Woyke Dr. phil.,Udo SteffensThe representativeness of a sample is a relative notion. The aim is to optimize the static tests number but also to obtain a formula linking dynamic stiffness and force for the whole retaining wall.

懶惰民族

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Pcos971

Waves-Vibratory Analysis,This chapter presents the theoretical basis of the vibration analysis method applied to the field of tie rods. The elements obtained during acquisition are then used to obtain results concerning free and total lengths, the diameters of the elements tested and the dynamic stiffness used to calculate the internal force at the tie-rod.

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Phases of Work,Carrying out tests to calculate the tension force of tie rods is an operation involving tie rods several decades old. The methodology for on-site intervention is presented, from numbering to recording the information needed for an effective diagnosis, which can then be used for maintenance operations.

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Steels,Make a diagnosis of steels is an important point for two reasons: first, can do or not statics tests and with which means, second this structural framework can support a re-tension?