Results 11 to 20 of about 18,223 (114)

Ultra-high-performance concrete: Impacts of steel fibre shape and content on flowability, compressive strength and modulus of rupture

open access: yesCase Studies in Construction Materials, 2022
The impact of three-shaped steel fibres (straight, hooked end, and corrugated) with varying steel fibre (SF) contents (0.75 %, 1.5 %, and 2.5 % by volume fraction) on the fresh and mechanical characteristics of ultra-high-performance concrete was ...
Bassam A. Tayeh   +3 more
doaj   +3 more sources

The effect of concrete vertical construction joints on the modulus of rupture

open access: yesCase Studies in Construction Materials, 2014
The purpose of this study is to experimentally correlate the compressive strength (f′c) of concrete to the modulus of rupture (fr) for plain concrete beams with a vertical construction joint placed at their center. The ACI code provides a formula for the
Camille A. Issa   +2 more
doaj   +3 more sources

Predictive Models for Modulus of Rupture and Modulus of Elasticity of Particleboard Manufactured in Different Pressing Conditions

open access: yesHigh Temperature Materials and Processes, 2017
Determining the mechanical properties of particleboard has gained a great importance due to its increasing usage as a building material in recent years.
Tiryaki Sebahattin   +4 more
doaj   +2 more sources

Properties of High Performance Self Compacting Concrete Continuously Exposed in Oil Products [PDF]

open access: yesEngineering and Technology Journal, 2014
Self compacted concrete (SCC) is a new generation of concrete. Its behavior after exposure to oil products is still unknown. This investigation includes producing SCC and investigate its properties after different exposure periods (28,60,90,120,150 and ...
Shaker A. Al-Mashhadany   +2 more
doaj   +1 more source

Residual Mechanical Properties of Self-Compacting Concrete Exposed to Elevated Temperatures [PDF]

open access: yesEngineering and Technology Journal, 2011
This study aims to investigate the residual mechanical properties (compressive strength, modulus of rupture and dynamic modulus of elasticity) of selfcompacting concrete (SCC) exposed to elevated temperatures ranging from (100- 800 oC) as well as ...
Manolia Abed Al-wahab Ali
doaj   +1 more source

Effect of heat treatments on the strength and stiffness of poplar

open access: yesMaderas: Ciencia y Tecnología
The influence of environmental conditions on wood material properties is known. Temperature is one of them and its effect on poplar wood has been examined in a limited way which this study tried to figure out this issue in a limited context.
Tuğba Yılmaz Aydın   +2 more
doaj   +1 more source

ASSESSMENT OF SELECTED PHYSICAL AND MECHANICAL PROPERTIES OF CEMENT BONDED BOARD PRODUCED FROM Gliricidia sepium (AGUNMANIYE) [PDF]

open access: yesPro Ligno, 2016
Selected physical and mechanical properties of cement bonded board produced from Gliricidia sepium were assessed. The following board properties were evaluated, water absorption, thickness swelling, water absorption and thickness swelling following ...
John Tosin ALADEJANA   +1 more
doaj  

Some mechanical properties of plywood produced from eucalyptus, beech, and poplar veneer

open access: yesMaderas: Ciencia y Tecnología, 2014
In this study, we determined the flexural properties and tensile shear strength of five-ply plywood panels produced with eucalyptus (Eucalyptus grandis), beech (Fagus orientalis), and hybrid poplar (Populus x euramericana) using urea-formaldehyde (UF ...
Bekir Cihad Bal, İbrahim Bektaş
doaj  

Strength grading of turkish black pine structural timber by visual evaluation and nondestructive testing

open access: yesMaderas: Ciencia y Tecnología, 2018
We examined the compatibility between the visual strength grading and the mechanical properties determined by using nondestructive and destructive test methods in Turkish Black Pine structural timbers.
Hızır Volkan Görgün, Türker Dündar
doaj  

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