Results 21 to 30 of about 71,955 (280)

Crack patterns in drying protein solution drops [PDF]

open access: yes, 2001
A deposited drop of bovine serum albumin salt solution experiences both gelation and fracturation during evaporation. The cracks appearing at the edge of the gelling drop are regularly spaced, due to the competition between the evaporation-induced and ...
Annarelli, Celine   +3 more
core   +2 more sources

Preparation and characterization of cogon grass natural fiber as a concrete filler for gamma radiation shielding [PDF]

open access: yes, 2021
Concrete is a combination of cement, fine aggregate, coarse aggregate, and water. Concrete has a high shielding potential against gamma radiation from radioactive source.
Mohd Yusof, Yusrina, Othman, Siti Amira
core  

Crack Spacing in Reinforced Concrete: Approximate Solution [PDF]

open access: yesJournal of Structural Engineering, 1983
In a companion paper by Bazant and Oh, a simplified theory for predicting the spacing of cracks in a parallel crack system in reinforced concrete was presented. In this paper a different approximate analysis yields about the same result. For this purpose, a solution based on the formulas for the stress caused by a concentrated force in a halfspace is ...
Zdeněk P. Bažant, Byung H. Oh
openaire   +1 more source

Behavior of concrete beams reinforced with GFRP under transverse force [PDF]

open access: yesE3S Web of Conferences, 2019
The article discusses the effect of transverse reinforcement spacing for the strength and deformation characteristics of beams with glass fibre reinforced polymer.
Gorbunov Igor   +4 more
doaj   +1 more source

Characterisation of microstructure, defect and high-cycle-fatigue behaviour in a stainless steel joint processed by brazing [PDF]

open access: yes, 2019
We report the characterisation of microstructures and high-cycle-fatigue (HCF) properties of Type 304 stainless steel joints processed by brazing. Pure copper was applied as the filler metal for brazing at 1120 °C. A two-phase microstructure was obtained
Chen, B.   +5 more
core   +1 more source

Modulating fracture toughness through processing-mediated mesostructure in additively manufactured Al-12Si alloy

open access: yesMaterials & Design, 2022
Al-12Si alloy processed through additive manufacturing exhibits a complex hierarchical structure. At the mesoscale, its melt pool boundaries constitute a network of weak interfaces that provides preferred pathways for crack kinking, leading to both ...
M. Jamshidian   +3 more
doaj   +1 more source

A Unified Formula for Calculation of Crack Width and Spacing in Reinforced Concrete Beams

open access: yesInternational Journal of Concrete Structures and Materials, 2021
Highlights Reinforced concrete beam cracking behavior was experimentally examined with a new type of seismic bar. New methods for the calculation of average crack spacing and maximum crack width were presented.
Xianhua Yao   +4 more
doaj   +1 more source

On the numerical modelling of bond for the failure analysis of reinforced concrete [PDF]

open access: yes, 2017
The structural performance of reinforced concrete relies heavily on the bond between reinforcement and concrete. In nonlinear finite element analyses, bond is either modelled by merged, also called perfect bond, or coincident with slip, also called bond ...
Grassl, Peter   +2 more
core   +1 more source

Crack width and spacing measurement using deep learning and damage assessment for reinforced concrete non-structural wall

open access: yesCase Studies in Construction Materials
With technological advancements, the seismic resistance of reinforced concrete (RC) buildings has significantly increased. However, as the performance of structural members increases, damage to both structural and non-structural members becomes a severe ...
Kota Ohsasa, Seiya Kamada, Yuya Takase
doaj   +1 more source

Annular cracks in thin films of nanoparticle suspensions drying on a fiber

open access: yes, 2013
We report an experimental study of the crack pattern formed during the drying of a colloidal suspension. A horizontal fiber, which provides a one dimensional, boundary-free substrate, is coated by a film of micronic thickness.
Boulogne, François   +2 more
core   +1 more source

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