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Holdings Numerical Study on Concrete Pumping Behavior via Local

Hydrostatic Response of Deployable Hyperbolic-Paraboloid ...

Mar 28 2020 · Thus the decoupled SPH-FEM numerical scheme proved capable in assessing the behavior of deployed hypar panels under complete fluid inundation in the hydrostatic regime. This validation effectively reinforces the applicability of such models for future FSI studies involving hydrostatic and hydrodynamic actions on hypar surfaces.

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Materials | Free Full-Text | Correlative Confocal Raman ...

In this contribution a correlative confocal Raman and scanning probe microscopy approach was implemented to find a relation between the composition lithiation state and functional electrochemical response in individual micro-scale particles of a LiMn2O4 spinel in a commercial Li battery cathode. Electrochemical strain microscopy (ESM) was implemented both at a low-frequency (3.5 kHz) and in ...

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Experimental study on impact behaviour of concrete-filled ...

Apr 03 2013 · The dynamic behaviour of normal strength concrete-filled steel tubes (CFT) at elevated temperatures up to 800 °C under axial impact loading was experimentally studied by using a newly developed spilt Hopkinson pressure bar (SHPB) together with an electrical furnace. The effects of high temperature impact velocity steel ratio and slenderness ratio on the impact behaviour of CFT at

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Numerical Study on Concrete Pumping Behavior via Local ...

The use of self-consolidating concrete and advanced pumping system enables efficient construction of super high-rise buildings; however risks such as clogging or even bursting of pipeline still exist. 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.

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Erik SCHLANGEN | Professor (Full) | PhD | Delft University ...

In this study a numerical model using a 2D lattice network is developed to investigate the fatigue behaviour of cement paste at the microscale. ... the healing is activated on-demand via ...

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Materials | Free Full-Text | Numerical Study on Concrete ...

Apr 30 2019 · Mechanical Properties and Seismic Performance of Wood-Concrete Composite Blocks for Building Construction. Previous Article in Journal. Study of the Structural and Magnetic Properties of Co-Substituted Ba 2 Mg 2 Fe 12 O 22 Hexaferrites Synthesized by Sonochemical Co-Precipitation.

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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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(PDF) Compact Reversed-Field Pinch Reactors (CRFPR ...

Academia.edu is a platform for academics to share research papers.

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Materials | Free Full-Text | Study of the Structural and ...

Numerical Study on Concrete Pumping Behavior via Local Flow Simulation with Discrete Element Method. Previous Article in Journal. Preparation and Characterization of Gradient Compressed Porous Metal for High-Efficiency and Thin-Thickness Acoustic Absorber. 25th Anniversary Journals.

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: "Numerical Analysis Material ...

An experimental and numerical study of out-of-plane compression has also been conducted where the aim was to determine the out-of-plane elastic modulus EZD. According to embossing results the embossing results showed an exponential hardening behavior while the numerical results unfortunately showed a declining hardening behavior.

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Metrology Needs for Predicting Concrete Pumpability

Jun 22 2015 · With the increasing use of pumping to place concrete the development and refinement of the industry practice to ensure successful concrete pumping are becoming important needs for the concrete construction industry. To date research on concrete pumping has been largely limited to a few theses and research papers. The major obstacle to conduct research on concrete pumping is that it

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Numerical Study on Concrete Pumping Behavior via Local ...

The use of self-consolidating concrete and advanced pumping system enables efficient construction of super high-rise buildings; however risks such as clogging or even bursting of pipeline still exist. 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.

Learn More

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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