Experimental study on the progressive failure of double‐flawed granite samples subjected to impact loads

2021 ◽  
Author(s):  
Xiaoping Zhou ◽  
Menghan Yi ◽  
Jiannan Zhou ◽  
Hao Cheng ◽  
Filippo Berto
Keyword(s):  
Experimental Study ◽  
Progressive Failure ◽  
Impact Loads ◽  
Granite Samples

scholarly journals Experimental study on crumb rubberised concrete (CRC) and reinforced CRC slabs under static and impact loads

2020 ◽  
Vol 21 (4) ◽  
pp. 294-306
Author(s):  
Danda Li ◽  
Jianzhuang Xiao ◽  
Yan Zhuge ◽  
Julie E. Mills ◽  
Henry Senko ◽  
...  
Keyword(s):  
Experimental Study ◽  
Impact Loads

Measurement of Impact Loads using a Laser Doppler Velocimeter

1990 ◽  
Vol 204 (1) ◽  
pp. 1-8 ◽  
Author(s):  
R S Birch ◽  
N Jones
Keyword(s):  
Experimental Study ◽  
Measuring Transducer ◽  
Research Field ◽  
Laser Doppler ◽  
Laser Doppler Velocimeter ◽  
Impact Loads ◽  
Peak Loads ◽  
Structural Impact ◽  
The Mean ◽  
Selection Of

The design and selection of transducers is an important consideration for the measurement of impact loads. This paper examines a load-measuring transducer based on a non-contact laser Doppler principle. An experimental study assesses the deformations and velocities obtained using a laser Doppler velocimeter and compares the mean and peak loads with those recorded by an accelerometer and a load cell. The paper concludes that this device is a valuable tool in the structural impact research field.

Plunging Wave Forces on Surface-Piercing Structures

1989 ◽  
Vol 111 (2) ◽  
pp. 92-100 ◽  
Author(s):  
E.-S. Chan ◽  
W. K. Melville
Keyword(s):  
Experimental Study ◽  
Flat Plate ◽  
Wave Breaking ◽  
Wave Forces ◽  
Impact Loads ◽  
Wave Loads ◽  
Simultaneous Measurements ◽  
Vertical Walls ◽  
The Impact

An experimental study of deepwater plunging wave loads on vertical walls and cylinders is reported. Simultaneous measurements of the forces and pressures are obtained. The characteristics of the impact loads are presented and the scaling of pressures from model results to prototype scales is discussed. Overall, the characteristics of forces and pressures vary systematically with the structure’s location relative to the wave-breaking location. Impacts on cylinders are similar to those on a flat plate; however, the presence of the wall has a larger influence on the dynamics of impact compared to that of the cylinder.

Lateral Collapse of Woven-Fabric Composite Tubes under Quasi-Static and Impact Loads

2011 ◽  
Vol 82 ◽  
pp. 296-301
Author(s):  
Sripad S. Tokekar ◽  
Maloy K. Singha ◽  
Narinder K. Gupta
Keyword(s):  
Progressive Failure ◽  
Woven Fabric ◽  
Collapse Mechanism ◽  
Impact Loads ◽  
Composite Tubes ◽  
Finite Element Software ◽  
Progressive Failure Analysis ◽  
Numerical Predictions ◽  
Fabric Composite ◽  
Good Agreement

An experimental investigation on the lateral collapse behaviour of woven fabric glass/epoxy composite tubes under quasi-static and impact loads are presented here. Composite tubes of different diameter to thickness ratios (D/t = 5.33 - 20.67) were compressed between two flat platens or by a short width square indenter. Impact tests were performed at the gravity drop hammer test setup. The fracture process and the energy absorption capability of the composite tubes under quasi-static and impact loads were studied. It was observed that, the lateral collapse mechanism of thick composite tubes (D/t < 10) was different from thinner tubes (D/t > 10). Finally, the progressive failure analysis of the composite tube was performed in finite element software ABAQUS. Good agreement was observed between the experimental results and numerical predictions.

Numerical and Experimental Study on Progressive Failure of Marble

2006 ◽  
Vol 163 (9) ◽  
pp. 1787-1801 ◽  
Author(s):  
Robina H. C. Wong ◽  
M. R. Jiao ◽  
K. T. Chau
Keyword(s):  
Experimental Study ◽  
Progressive Failure

scholarly journals Experimental study of CFRP strengthened steel columns subject to lateral impact loads

2018 ◽  
Vol 185 ◽  
pp. 94-104 ◽  
Author(s):  
Majid M.A. Kadhim ◽  
Zhangjian Wu ◽  
Lee S. Cunningham
Keyword(s):  
Experimental Study ◽  
Impact Loads ◽  
Lateral Impact ◽  
Steel Columns

scholarly journals Experimental-Numerical Failure Analysis of Thin-Walled Composite Columns Using Advanced Damage Models

Materials ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1506
Author(s):  
Patryk Rozylo ◽  
Katarzyna Falkowicz ◽  
Pawel Wysmulski ◽  
Hubert Debski ◽  
Jakub Pasnik ◽  
...  
Keyword(s):  
Experimental Study ◽  
Failure Analysis ◽  
Computational Models ◽  
Cohesive Zone Model ◽  
Progressive Failure ◽  
Experimental Tests ◽  
Zone Model ◽  
Channel Section ◽  
Composite Columns ◽  
Thin Walled

The paper analyzes the stability and failure phenomenon of compressed thin-walled composite columns. Thin-walled columns (top-hat and channel section columns) were made of carbon fiber reinforced polymer (CFRP) composite material (using the autoclave technique). An experimental study on actual structures and numerical calculations on computational models using the finite element method was performed. During the experimental study, post-critical equilibrium paths were registered with acoustic emission signals, in order to register the damage phenomenon. Simultaneously to the experimental tests, numerical simulations were performed using progressive failure analysis (PFA) and cohesive zone model (CZM). A measurable effect of the conducted experimental-numerical research was the analysis of the failure phenomenon, both for the top-hat and channel section columns (including delamination phenomenon). The main objective of this study was to be able to evaluate the delamination phenomenon, with further analysis of this phenomenon. The results of the numerical tests showed a compatibility with experimental tests.

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