Results 11 to 20 of about 348,093 (266)

Influence of exposure temperature variability on concrete degradation as a function of compressive strength and ultrasonic wave propagation velocity

Revista IBRACON de Estruturas e Materiais, 2023
This study evaluated the influence of heating temperature variability on the degradation level of concrete by varying the exposure temperatures (200°C, 450°C, and 800°C) and concrete design strength (C25 and C40).
Euler Wagner Freitas Santos, Débora de Almeida Nunes, Carlos Otávio Damas Martins, Michael Douglas Santos Monteiro, Cochiran Pereira dos Santos, Eliana Midori Sussuchi, Sandro Griza   +6 more
doaj   +1 more source

Potential fatigue strength improvement of AA 5083-H111 notched parts by wire brush hammering: Experimental analysis and numerical simulation [PDF]

, 2014
The effects of milling as machining process and a post-machining treatment by wire-brush hammering, on the near surface layer characteristics of AA 5083-H111 were investigated.
SIDHOM, Habib, BEN MOUSSA, Naoufel, SIDHOM, Naziha, JANEB, Sameh, BRAHAM, Chedly   +4 more
core   +1 more source

Residual Strength Estimation Method of Soft Coal Based on Equivalent Residual Strain Ratio

Geofluids, 2022
In underground mining engineering, the residual strength of surrounding rock has an important influence on the secondary stress distribution caused by excavation. Generally, the residual strength of coal can be measured by experiments, but for soft coal,
Qingquan Liu, Hao Ling, Yanfei Lu, Jia Lin, Yuanyuan Liu, Jing Wang, Wenyi Huang, Liang Wang   +7 more
doaj   +1 more source

Experimental study on residual strength and index of shear strength characteristics of different clay soils

Yantu gongcheng xuebao, 2017
Using the ring shear apparatus, the variation rules of residual strength of 17 saturated claysoil samples with different plasticity indices under different consolidation conditions are studied.
XU Cheng-shun , WANG Xin , DU Xiu-li , DAI Fu-chu , WANG Guo-sheng , GAO Yan
doaj   +1 more source

Influence of the Shape of the Impactor on Residual Strength, Size and Nature of Damage to CFRP

Technologia i Automatyzacja Montażu, 2022
The experimental tests presented in this work concern the impact resistance test and residual strength properties after an impact performed by a drop tower INSTRON CEAST 9340.
Paweł Przybyłek, Andrzej Komorek, Simone Taddeo Kaczor Di Paola, Łukasz Komorek   +3 more
doaj   +1 more source

Factors residual strength of Luochuan loess

Yantu gongcheng xuebao, 2017
In the loess regions loess landslide is one of the major geological disasters. Every year it results in a large number of casualties and destructions. It is found that the average shear stress on the sliding surface of these landslides is much smaller ...
HU Zai-qiang , LIN Shan , LI Hong-ru , ZHANG Long
doaj   +1 more source

Methods of measuring residual stresses in components [PDF]

, 2012
Residual stresses occur in many manufactured structures and components. Large number of investigations have been carried out to study this phenomenon and its effect on the mechanical characteristics of these components.
Olabi, Abdul-Ghani, M. Dassisti, Rossini, Nicola, Rossini, N. S., Benyounis, K. Y., A.G. Olabi, Dassisti, Michele, K.Y. Benyounis, Benyounis, Khaled, Olabi, A. G., N.S. Rossini   +10 more
core   +1 more source

Study on the Variation of Mechanical Properties of Residual Plastic Film Over Time [PDF]

E3S Web of Conferences
The mechanical properties of residual plastic film determine the recovery rate of residual film. The mechanical properties of residual film with a thickness of 0.01mm commonly used in the semi-arid region of northeastern China were tested at different ...
Zhang Dingguo, Song Zhe, Zhang Yaxin
doaj   +1 more source

Flexural Performance of a New Hybrid Basalt-Polypropylene Fiber-Reinforced Concrete Oriented to Concrete Pipelines

Fibers, 2021
The bending performance of a basalt-polypropylene fiber-reinforced concrete (HBPFRC) was characterized by testing 24,400 × 100 × 100 mm3 prismatic specimens in a four-point bending test JSCE-SF4 configuration.
Zhiyun Deng, Xinrong Liu, Ninghui Liang, Albert de la Fuente, Haoyang Peng   +4 more
doaj   +1 more source

Failure analysis of CFRP laminates subjected to Compression After Impact: FE simulation using discrete interface elements [PDF]

, 2013
This paper presents a model for the numerical simulation of impact damage, permanent indentation and compression after impact (CAI) in CFRP laminates.
Bouvet, Christophe, Rivallant, Samuel, Hongkarnjanakul, Natthawat   +2 more
core   +1 more source