Numerical Study on Concrete Pumping Behavior via Local

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  • Numerical Study on Concrete Pumping Behavior via Local ...

    To better understand the fresh concrete pumping mechanisms in detail the discrete element method is employed in this paper for the numerical simulation of local pumping problems. By modeling the coarse aggregates as rigid clumps and appropriately defining the contact models the concrete flow in representative pipeline units is well revealed.

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  • Numerical investigation on the shear behavior of ...

    Oct 15 2020 · The numerical investigation focused on the shear behavior of prestressed concrete (PC) beams with small rectangular openings using the software ABAQUS. Three variables including the prestressing force the height of the opening and its length were considered.

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  • Numerical simulation of concrete pumping process and ...

    Feb 01 2012 · A numerical simulation has been conducted to study the solidfluid multi-phase flow problem in concrete pumping process. The kinematics and trajectory of the discrete particles as well as the particleparticle interaction were predicted by DEM while the motion of the continuous fluid phase was evaluated by a NavierStokes solver and a pressure gradient force model was adopted to ...

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  • Experimental and Numerical Investigation on the Anchorage ...

    Jun 06 2020 · The structural behavior of the anchorage zone is a key issue in prestressed ultra-high performance concrete (UHPC) box-girder bridges. This study investigates the mechanical behavior of a diaphragmblister integrated anchorage system (DBIAS) used in UHPC box-girder bridges through the full-scale model test.

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  • Numerical Study on Concrete Pumping Behavior via Local ...

    Numerical Study on Concrete Pumping Behavior via Local Flow Simulation with Discrete Element Method Materials (Basel) . 2019 Apr 30;12(9):1415. doi: 10.3390/ma12091415.

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  • (PDF) PHD DISSERTATION: NUMERICAL MODELING AND ...

    PHD DISSERTATION: NUMERICAL MODELING AND EXPERIMENTAL INVESTIGATION OF THE LOCAL HYDROLOGY OF A PERVIOUS CONCRETE SITE. Christina Syrrakou. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.

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  • Numerical modeling on post-local buckling behavior of ...

    Jun 30 2016 · In concrete-filled steel tubular (CFST) beam-columns under cyclic loadings local buckling of restrained steel tube crushing and slipping of the confined concrete could have significant influences on strength and stiffness degradation. This paper presents a numerical model based on fiber element discretization for simulating the deterioration behaviour of both rectangular and circular CFST ...

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