SHPB Experimental Investigation used for Concrete

Experimental and Numerical Studies on the Dynamic ...

specimen in the SHPB (Split Hopkinson Pressure Bar) test of concrete. Different ... 1 Introduction. Concrete is a kind of material widely used in the civil and.

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Effect of Fiber Hybridization, Strain Rate and w/c Ratio on the ...

Aug 29, 2019 — Based on macro-experimentation and micro-observation, the impact behavior of the ... Studies have proven that concrete reinforced with BF or SF has better ... The SHPB apparatus used in this study is illustrated in Figure 6.

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Dynamic experiment and numerical simulation of frozen soil ...

Oct 10, 2020 · The split–Hopkinson pressure bar (SHPB) is an important experimental means for obtaining the dynamic performance of materials. In this study, an SHPB experiment was conducted on frozen soil under confining pressure. The frozen soil exhibited an evident strain rate effect and temperature effect under confining pressure.

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Experimental and numerical investigations on projectile ...

the Johnson-Homquist-Concrete (JHC) model were obtained by the SHPB test data and other relevant experimental data. A good agreement between the numerical predictions for the penetration depth and experimental data is observed. Keywords: polypropylene fiber reinforced concrete, SHPB, strain rate, penetration, numerical simulation, LS-DYNA.

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(PDF) Title: Comparative Experimental Investigations on the ...

(2006)] used it for lightweight concrete reinforced. 63 2.3 Experimental principle of SHPB 64 SHPB is a widely used dynamic test method [Klosky, (1949)] to ...

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Evolution of specimen strain rate in split Hopkinson bar test ...

Jan 7, 2019 — The use of the split Hopkinson pressure bar techniques in high strain rate materials ... of experimental techniques for high rate deformation and shock studies. ... of concrete-like materials in a split Hopkinson pressure bar test.

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Modeling and Design of SHPB to Characterize Brittle ...

split Hopkinson pressure bar (SHPB) that could be used during further experiments to measure the dynamic compression strength of concrete. The current study combines experimental, modeling and numerical results, permitting an inverse method by which to validate measurements. An analytical

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Experimental investigation on dynamic behavior of concrete ...

Oct 13, 2018 · an experimental investigation on the effects of strain rate on normal weight concrete after exposure to high temperature up to 1000 C using a microwave oven and a SHPB. Test results

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Numerical investigation of lateral inertia effect in ...

Jun 20, 2020 · The SHPB device has primarily been used to test the dynamic performance of homogenous metal materials. In 1989, Ross first applied SHPB to test the impact properties of concrete materials within a strain rate range from 10 s −1 to 10 2 s −1 with a bar diameter of 51 mm [8].

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Sensitivity and Uncertainty Analysis of SHPB Tests for ...

Many researches focus on the effect of interfacial friction on Split Hopkinson Pressure Bar (SHPB) tests of concrete materials, in which SHPB is one of the most widely used techniques for determination of the dynamic stress-strain response.

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dynamic testing to determine some mechanical ... - ShareOK

4.2 SHPB experimental setup from the transmission bar side. 23 ... setup and then describes the SHPB apparatus used in the present investigation. ... properties of geo-materials, such as soils, sand, and concrete compared to metals are less.

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Dynamic stress equilibration in split Hopkinson pressure ...

Dynamic compressive experiments on a RTV 630 and an ethylene-propylene-diene monomer rubber with a SHPB modified for soft material testing were conducted to determine the effects of specimen thickness and loading rate on the stress equilibrating process. An analytical model was employed to analyze the equilibrating processes observed in ...

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PDF A Study of the Dynamic Plane Strain Fracture Toughness on ...

37mm is used in the test. To do impact test for concretes, on the one side, aggregate sizes should be reduced properly and on the other side, the diameter of SHPB should be as large as possible[1]. Material mixture ratio is shown in the table for the 37mm-diameter bar used in the test. Table1 Material Mixture Ratio material concrete sand water

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Experimental Investigation of the Compressive Behavior of ...

Apr 04, 2018 · However, experiments on RCC material under intermediate to high strain rates are relatively limited. In this paper, new empirical relations are proposed for dynamic compressive parameters of RCC specimens based on testing data via ϕ 100-mm split Hopkinson pressure bar (SHPB). Additionally, the damage patterns under different strain rates are described, and strain-rate sensitivity, …

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Fracture toughness investigations on UHPC by spalling tests

Ultra High Performance Concrete (UHPC) is defined as a new generation of ... For the test, a Split Hopkinson Pressure Bar (SHPB) has been modified and used. ... SHPB and indicated that such an experimental configuration is appropriate to ...

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concrete batching plant machine price | modern faux concrete ...

shpb experimental investigation used for concrete. Dynamic tensile strength enhancement of concrete in. ·. 2018/06/18· The SHPB test is widely used to ...

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Experimental investigation on mechanical behaviors of ...

Sep 24, 2020 · The specially modified SHPB system can be used to investigate material properties at different temperatures. Numerous experimental studies on the dynamic behavior of materials such as metals have been conducted by many researchers. Whittington et al. investigated the mechanical response and damage evolution of RHA steel. High strain-rate experiments conducted via SHPB …

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An Experimental Study on the Dynamic Behavior of an Ultra ...

The dynamic behavior tests for the developed ultra-high-strength concrete were carried out in a Split Hopkinson Pressure Bar (SHPB) test unit. This setup is a commonly used experimental device to determine the behavior of materials under high strain rate loadings.

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Experimental and Numerical Evaluation of Rock Dynamic Test ...

Finally, the Holmquist-Johnson-Concrete constitutive model is introduced to ... bar (SHPB) system by Kolsky (1949), extensive studies have been performed to ... So far, SHPB experimental technique has been widely used in geotechnical ...

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SHPB Experimental Investigation used for Concrete - hlb 8 double ...

2019-7-12 · Further investigation on the dynamic compressive strength enhancement of concrete-like ... in SHPB tests for brittle materials where large diameter ...

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