Results 21 to 30 of about 108,330 (269)

Long Term Creep Assessment of Room-temperature Cured Epoxy Adhesive by Time-stress Superposition and Fractional Rheological Model

open access: yesApplied Rheology, 2018
The creep behavior of a new type epoxy resin adhesive which is room-temperature cured and used for reinforcing engineering structures was studied. The tensile strength of the adhesive has reached the desired values for the structural adhesive used for ...
Li Hui, Luo Yingshe, Hu Donglan
doaj   +1 more source

Pavement structure mechanics response of flexible on semi-flexible overlay that based on the old cement concrete pavement damage

open access: yesMATEC Web of Conferences, 2015
The old cement pavement damage status directly affect the design of the paving renovation. Based on the state of the old road investigation, combined with the research data at home and abroad, use the control index that average deflection, deflection ...
Jiang Ruinan   +3 more
doaj   +1 more source

Local Stress Behavior of Post-Tensioned Prestressed Anchorage Zones in Continuous Rigid Frame Arch Railway Bridge

open access: yesApplied Sciences, 2018
The concrete stress behavior and cause of cracking at the anchorage zones of top and bottom slabs of a post-tensioned prestressed concrete box beam were studied.
Weizhong Mao   +3 more
doaj   +1 more source

EXPERIMENTAL SETUP FOR MODELING AND STUDY OF COMPLEX STRESS STATE IN FERROMAGNETIC MATERIALS

open access: yesПриборы и методы измерений, 2016
Most of the load experiencing parts operate in a complex state of stress (СSS). The article describes the device layout diagram for modeling a СSS in a ferromagnetic material and the development of monitoring methods.
V. N. Busko, G. G. Vlasov
doaj   +1 more source

Tension and compression effect on mechanical properties of Fe and B2

open access: yesMaterials Research Express, 2020
The elastic constants, ideal strength, band structure and electronic density state of Fe and B2 under tension and compression were studied by using the first principle.
Gang Huang, Qingdong Zhang, Shuo Li
doaj   +1 more source

Mechanical Properties of DO3 Based on First Principles

open access: yesCrystals, 2020
The elastic constants, ideal strength, band structure and electronic density state of Fe3Si (DO3) under triaxial tension and triaxial compression were studied using the first principle. The structural parameters calculated at zero pressure are consistent
Qingdong Zhang, Gang Huang, Shuo Li
doaj   +1 more source

Mechanism of roof presplitting in nonpillar coal mining technology and its reasonable parameters in hard roof and longwall top-coal caving face

open access: yesEnergy Exploration & Exploitation, 2023
This article presents an integrated approach for theoretical analysis and numerical modeling to investigate the mechanism of roof presplitting and its reasonable parameters in the hard roof and longwall top-coal caving face.
Haosen Wang   +5 more
doaj   +1 more source

Improving mechanical properties of novel flax/tannin composites through different chemical treatments [PDF]

open access: yes, 2015
Due to the inherent environmental benefits of using renewable materials, mimosa tannin resin (a natural phenolic resin) reinforced by flax fibres could offer desirable characteristics (lightweight, economic and low environmental impact) aiming at ...
Abhyankar, Hrushikesh   +4 more
core   +1 more source

Flow-Induced Stresses and Displacements in Jointed Concrete Pipes Installed by Pipe Jacking Method [PDF]

open access: yes, 2019
Transient flows result in unbalanced forces and high pressure in pipelines. Under these conditions, the combined effects of flow-induced forces along with sudden pipe displacements can create cracks in the pipeline, especially at the junctions.
Ahmad, Sajjad   +3 more
core   +2 more sources

Evaluation of bonding properties by flat indentation method for an EBW joint of RAFM steel for fusion application

open access: yesNuclear Materials and Energy, 2020
Welding is essential to construction and safe operation of fusion reactors. Besides fusion materials themselves, small specimen test technologies (SSTT) are also essential to evaluate bonding properties of the joints for fusion application.
Haiying Fu   +11 more
doaj   +1 more source

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