Results 31 to 40 of about 18,223 (114)

Strength Development of High-Performance Concrete using Nanosilica

open access: yesInternational Journal of Technology, 2017
The mechanical properties and durability of high-performance concrete can be improved with the use of nanosilica. Still, the relationship between the content of nanosilica and the mechanical properties of concrete needs to be verified in order to ...
Jonbi Eddhie
doaj   +1 more source

Estimating Young’s Modulus and Modulus of Rupture of Coconut Logs using Reconstruction Method

open access: yesCivil Engineering Dimension, 2010
This research develops a theory of the so called reconstruction method to estimate the Young’s modulus (E) and modulus of rupture (SR) of coconut logs.
Surjokusumo S., Nugroho N., Bahtiar E.T.
doaj  

Performance enhancement, life cycle assessment, and feature analysis of wheat starch-based NaCl-binder as a sustainable alternative to OPC mortar

open access: yesResults in Engineering
The primary aim of this investigation is to advance the properties of an innovative and sustainable wheat starch-based NaCl-binder (WSB) material. The scope encompasses the material's ecological and structural applications and potential for paving usage.
Mohammad Reza Hanafi   +4 more
doaj   +1 more source

Evaluation of Material Characteristics of Xylite – Part 1. Influence of Moisture Content on Some Mechanical Properties

open access: yesDrvna Industrija, 2014
The structure of xylite as lithotype of lignite indicates that it predominately originates from tree stems, from the family Taxodiaceae or Cupressaceae.
Željko Gorišek, Aleš Straže
doaj   +1 more source

Differences in dynamic modulus of elasticity determined by three vibration methods and their relationship with static modulus of elasticity

open access: yesMaderas: Ciencia y Tecnología, 2016
Dynamic modulus of elasticity was determined in clearwood samples of eight tropical hardwood species using longitudinal vibrations, flexural vibration and ultrasonic transit-time methods.
Shakti Chauhan, Anil Sethy
doaj  

Experimental investigation of the effect of test speed on rupture performance of synthetic yarns

open access: yesActa Polytechnica
This study experimentally investigated the effect of testing speed on the mechanical behaviour of five types of synthetic fibres – aramid, high-modulus polyethylene (HMPE), liquid crystal polymer (LCP), polyamide, and polyester – through yarn break load
Daniel Magalhães da Cruz   +5 more
doaj   +1 more source

Prediction of Torsional Strength for Very High Early Strength Geopolymer

open access: yesMedžiagotyra, 2017
Very early high strength geopolymers are gaining acceptance as alternative repair materials for highways and other infrastructure. In this study, a very rapid geopolymer binder based on Metakaolin (MK) and Parawood ash (PWA), developed by the authors ...
Woraphot PRACHASAREE, Abideng HAWA
doaj   +1 more source

Compression And Flexural Properties Of Finger Jointed Mango Wood Sections

open access: yesMaderas: Ciencia y Tecnología, 2015
In this paper, an attempt was made to assess the effectiveness of finger jointing in utilising mango wood sections for various end uses like furniture.
V.S Kishan Kumar   +2 more
doaj  

Influence of Furfurylation on Practical Properties of Beech Plywood [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2016
In this study, the influence of Furfurylation on practical properties of beech plywood investigated. Furfurylation of beech layers were performed by impregnation and heat catalyze up to 30% and 70% weight percent gain. Plywood specimens made by 2 resins (
Aisona Talaei, mohammad Tavakoliyan
doaj  

Investigating the Effect of Particle Slenderness Ratio on Optimizing the Mechanical Properties of Particleboard Using the Response Surface Method

open access: yesBioResources, 2023
Restricted formaldehyde gas emissions and a scarcity of lignocellulosic raw materials have particleboard companies in Iran concerned about raw materials and adhesive use.
Mohammad Arabi   +2 more
doaj  

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