Results 61 to 70 of about 4,812,338 (197)

Mohr–Coulomb model failure criteria.

, 2021
Mohr–Coulomb model failure criteria.
Gaojian Hu (11457537), Gang Ma (52569)
core   +1 more source

Bearing capacity of building structures reinforced with composite materials [PDF]

E3S Web of Conferences
Methods for strengthening building structures with composite materials are considered. The reduced characteristics of a multilayer composite material are determined depending on the orientation of the layers.
Khayrnasov Kamil
doaj   +1 more source

Comparison of Different Criteria and Analytical Models for the Analysis of Composite Cylinders Assisted by Online Software

Applied Mechanics
Due to their higher strength-to-weight ratio and ability to operate in harsh environments, the usage of fiber-reinforced cylindrical shells experienced a significant increase in the past decades.
Eduardo A. W. de Menezes, Clara S. Theisen, Thiago V. P. Farias, Gabriel M. Dick, Maikson L. P. Tonatto, Sandro C. Amico   +5 more
doaj   +1 more source

Failure criteria and microstructure evolution mechanism of the alkali–silica reaction of concrete

Reviews on Advanced Materials Science, 2023
In this study, the influence of two distinct reactive aggregate dosages on the alkali–silica reaction (ASR) of concrete was investigated. The expansion ratio, axial compressive strength, splitting tensile strength, and relative dynamic elastic modulus ...
Wang Yongbo, Gao Peng, Su Huaizhi, Qin Yuanyu, Wang Yimeng, Xue Gang   +5 more
doaj   +1 more source

Accuracy of WHO CD4 cell count criteria for virological failure of antiretroviral therapy [PDF]

, 2009
OBJECTIVES: To examine the accuracy of the World Health Organization immunological criteria for virological failure of antiretroviral treatment. METHODS: Analysis of 10 treatment programmes in Africa and South America that monitor both CD4 cell counts ...
Sprinz, Eduardo, Keiser, Olivia, Egger, Matthias, MacPhail, Patrick, Boulle, Andrew, Dabis, François, Schechter, Mauro, Wood, Robin   +7 more
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Attitudes of venture capital investors towards entrepreneurs with previous business failure [PDF]

, 2004
Business failure represents a significant outcome of entrepreneurial activity and yet remains an underdeveloped area of research. This article focuses on the attitudes of VC investors towards entrepreneurs with a previous failure experience.
Cave, F., Eccles, S A, Eccles, Sue, Cave, F D, Cope, J., Cope, J P   +5 more
core   +1 more source

Trabecular Bone Component Assessment under Orthodontic Loads and Movements during Periodontal Breakdown—A Finite Elements Analysis

Dentistry Journal
This numerical analysis, by employing Tresca and Von Mises failure criteria, assessed the biomechanical behavior of a trabecular bone component subjected to 0.6, 1.2, and 2.4 N orthodontic forces under five movements (intrusion, extrusion, tipping ...
Radu-Andrei Moga, Cristian Doru Olteanu, Ada Gabriela Delean   +2 more
doaj   +1 more source

Numerical Analysis of Sandwich Composite Deep Submarine Pressure Hull Considering Failure Criteria

Journal of Marine Science and Engineering, 2019
The pressure hull is the primary element of submarine, which withstands diving pressure and provides essential capacity for electronic systems and buoyancy.
Mahmoud Helal, Huinan Huang, Defu Wang, Elsayed Fathallah   +3 more
doaj   +1 more source

Stochastic Vulnerability Assessment of Masonry Structures: Concepts, Modeling and Restoration Aspects

Applied Sciences, 2019
A methodology aiming to predict the vulnerability of masonry structures under seismic action is presented herein. Masonry structures, among which many are cultural heritage assets, present high vulnerability under earthquake.
Panagiotis G. Asteris, Antonia Moropoulou, Athanasia D. Skentou, Maria Apostolopoulou, Amin Mohebkhah, Liborio Cavaleri, Hugo Rodrigues, Humberto Varum   +7 more
doaj   +1 more source

Dynamic mechanical properties and failure criteria of concrete under biaxial compression

Shuili Shuiyun Gongcheng Xuebao, 2019
The compression tests of 300 mm concrete cubic specimen under different lateral pressures and different loading rates are carried out by using a dynamic and static triaxial test machine, and the mechanical parameters of the test data are analyzed.
CHENG Zhuoqun, WANG Qianfeng, WANG Pu, SUN Shangpeng, LIU Miaomiao   +4 more
doaj   +1 more source