Results 11 to 20 of about 67,671 (301)

Study on Mechanical Properties of Modified Polyurethane Concrete at Different Temperatures

open access: yesApplied Sciences, 2022
The objective of the present research was to study the effect of temperature on the mechanical properties, failure mode and uniaxial compression constitutive relationship of a modified polyurethane concrete. A total of 24 cube and 27 prism specimens were
Jianhua Lei   +4 more
doaj   +1 more source

Effects of Real-Time High Temperature and Loading Rate on Deformation and Strength Behavior of Granite

open access: yesGeofluids, 2022
Knowledge of deformation and strength behavior of rocks under high in situ temperature is highly important for the control of geological disasters in exploration of hot dry rock and mining in deep formation. In this study, uniaxial compression tests were
YiFeng Zhang   +3 more
doaj   +1 more source

Anisotropy of mechanical properties of greywacke [PDF]

open access: yes, 2019
The paper brings description of the mechanical properties of greywacke sampled in Kobeřice quarry (Lower Carboniferous Culm Basin, Drahany Uplands, Bohemian Massif).
Havlíčková, Dagmar   +2 more
core   +1 more source

Dynamic compressive strength of silicon carbide under uniaxial compression [PDF]

open access: yesMaterials Science and Engineering: A, 2001
SiC is used in impact related applications, such as integrated armor. This necessitates development of models which describe its dynamic behavior and failure modes. Experimental results, which relate the strain rate to the compressive strength of SiC under uniaxial loading are obtained.
Sai Sarva, Sia Nemat-Nasser
openaire   +1 more source

Scale Effect and Correlation between Uniaxial Compressive Strength and Point Load Index for Limestone and Travertine

open access: yesApplied Sciences, 2021
Determining the uniaxial compressive strength of intact rock is the primary objective of a geomechanical project, and a reliable estimate in the early phases saves time and costs for more sophisticated laboratory tests.
Solange Contreras   +5 more
doaj   +1 more source

New methodology for calculating damage variables evolution in Plastic Damage Model for RC structures [PDF]

open access: yes, 2017
The behavior of reinforced concrete (RC) structures under severe demands, as strong ground motions, is highly complex; this is mainly due to joint operation of concrete and steel, with several coupled failure modes.
Alfarah, Bashar   +2 more
core   +2 more sources

Comparison of Mechanical Properties and Sensitivity of Compressive and Flexural Strength of Artificial Frozen Sand

open access: yesGeofluids, 2022
Some zones of freezing curtains of subway contact channels are subjected to compression and tension. Thus, understanding the mechanical properties and relationship between the compressive and flexural strengths of frozen soil is crucial.
Junhao Chen, Han Li, Lijin Lian, Gen Lu
doaj   +1 more source

Preliminary assessment of roadheaders efficiency based on empirical methods and index of equivalent rock strength [PDF]

open access: yes, 2019
Purpose. The choice of a proper roadheader is a critically important step in planning of a project or some of its stages. Nowadays various manufacturers produce numerous models of these vehicles, hence it is unreasonable to conduct a thorough analysis of
Averin, E   +4 more
core   +1 more source

Non-destructive evaluation of cement-based materials from pressure-stimulated electrical emission - Preliminary results [PDF]

open access: yes, 2011
This is the post-print version of the final paper published in Construction and Building Materials. The published article is available from the link below.
A. Kyriazopoulos   +35 more
core   +1 more source

Stress concentrations around voids in three dimensions : The roots of failure [PDF]

open access: yes, 2017
Funding This work forms part of a NERC New Investigator award for DH (NE/I001743/1), which is gratefully acknowledged. Acknowledgments The authors would like to acknowledge the reviewers, Elizabeth Ritz and Phillip Resor.
Bubeck, A.   +3 more
core   +1 more source

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