Results 11 to 20 of about 20,128 (231)

The verification of a new approach to the experimental estimation of tensile forces in prestressed structural elements by method based on the magnetoelastic principle

open access: yesMATEC Web of Conferences, 2017
There are a large number of civil engineering structures where the important structural elements are loaded by large tensile forces. In many practical cases, it is significant to know the current value of tensile force or prestressed stress in these ...
Klier Tomáš   +5 more
doaj   +1 more source

Reduction in Mode-I SIF of an Edge Cracked C-Shaped Specimen Using Piezoelectric Actuator [PDF]

open access: yesE3S Web of Conferences, 2023
The focus of the current research is on the feasibility of an adhesively bound piezoelectric actuator in the active repair of an edge-cracked C-shaped specimen.
Pattanayak Sourav, Pohit Goutam
doaj   +1 more source

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

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

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

Effects of temporal salt accumulation during accelerated drying-wetting cycles on physical properties of cement mortars and determining of ocean salt crystallization pressure stress

open access: yesNext Materials
Elucidating the degradation mechanism of inorganic materials in special service environments such as ocean environment has important scientific and engineering significance.
Jinbo Yang, Ze Zhang, Yu Zhang
doaj   +1 more source

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