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Shaft resistance

Xem 1-5 trên 5 kết quả Shaft resistance
  • This research shows the influence of pile cap on bearing capacity of pile foundation, especially pile groups of shaft resistance. Using PLAXIS-3D FOUNDATION sofware to simulate a actual application with 4 piles in groups and assumption for 7 stiffness modulus of soil under pile cap. The output calculation expresses that in both the cap and the pile carrying the load. The cap is necessary to spread the vertical and horizontal loads and any overturning moments to all the piles in group and transfer load to soil underneath.

    pdf5p bethuy1990 20-11-2015 39 6   Download

  • The paper analyzes and determines the optimal parameters of tuned mass damper to reduce torsional vibration for the machine shaft. The research steps are as follows. First, the optimal parameters of tuned mass damper for the shafts are given by using the maximization of equivalent viscous resistance method. Second, a numerical simulation is performed for configuration of machine shaft to validate the effectiveness of the obtained analytical results. The simulation results indicate that the proposed method significantly increases the effectiveness of torsional vibration reduction.

    pdf9p cothumenhmong8 04-11-2020 4 0   Download

  • This paper studies to determine the optimal parameter of the tuned mass damper to reduce the torsional vibration for the rotating shaft with variable angular velocity by using the maximization of equivalent viscous resistance method.

    pdf4p kequaidan11 13-04-2021 1 0   Download

  • Objectives of doctoral thesis Analysis of influencing parameters and basics of determining resistance factors of drilled shafts used in bridge substructures in Ho Chi Minh city: Determine resistance factors according to soil base strength which is equivalent to methods presented in specifications being applied.

    pdf27p nganhanggddt2014 01-07-2014 52 4   Download

  • Many offshore structures are subjected to overturning moments due to wind load, wave pressure, and ship impacts. Also most of retaining walls are subjected to horizontal forces and bending moments, these forces are due to earth pressure. For foundations in such structures, usually a combination of vertical and batter piles is used. Little information is available in the literature about estimating the capacity of piles under uplift. In cases where these supporting piles are not vertical, the behavior under axial pullout is not well established.

    pdf8p kethamoi1 17-11-2019 4 0   Download

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