Results 21 to 30 of about 28,127 (160)

A review on application of oil palm shell as aggregate in concrete - Towards realising a pollution-free environment and sustainable concrete

open access: yesEnvironmental Challenges, 2022
The considerations for using alternative materials as coarse aggregate in construction industry is driven by the needs to conserve natural resources, reduce the huge amount of greenhouse gas emission and environmental degradation related to conventional ...
M.A. Kareem   +3 more
doaj   +1 more source

Bond of Reinforcement with Normal-weight Fiber Reinforced Concrete

open access: yesPeriodica Polytechnica Civil Engineering, 2016
In reinforced concrete members, upon loading, tensile stresses from reinforcement to concrete transfer via bond. Proper bond between the two material guarantees safety of such members. This paper presents test results performed on Pull-out specimens for evaluation and comparison of bond strength behavior of Normal-weight Fiber Reinforced Concrete (NWFC)
Ahsan Ali   +3 more
openaire   +2 more sources

Flexural performance and ductility of RC beams made using natural LWA

open access: yesCase Studies in Construction Materials, 2022
This paper evaluates experimentally the feasibility of utilizing local natural lightweight aggregates (LWA) for designing reinforced concrete (RC) beams.
Mohammad J. Alshannag   +3 more
doaj   +1 more source

Long-term field performance of concrete produced with powder waste glass as partial replacement of cement

open access: yesCase Studies in Construction Materials, 2021
This paper reports the long-term field and laboratory-tested performance of concrete produced with 20 wt% replacement of cement with powder waste glass (WG).
Roz-Ud-Din Nassar   +2 more
doaj   +1 more source

An Experimental Study on Effect of Concrete Type on Bond Strength of GFRP Bars [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2021
One of the common methods to create bond strength in reinforced concrete is providing development length. The bond strength of glass fiber reinforced polymer (GFRP) bar is inherently poor due to its shape, as well as its inadequate mechanical ...
Alireza Doostmohamadi   +2 more
doaj   +1 more source

Chemical Acidic Attack Resistance of Lightweight Concrete with Additives

open access: yesTikrit Journal of Engineering Sciences, 2011
This research was studied the effect of H2SO4 (8%), HCl (8%) acidic and wastewater) pH= 5.1, SO4= = 850mg/L, Cl–=750 mg/L, TDS = 2500 mg/L (on the lightweight concrete by using limestone as lightweight aggregate and using the foam material (Light Crete).
Salwa H. Ahmed
doaj   +1 more source

Flexural Strength of Structural Beams Cast Using Combined Normal-Weight and Lightweight Concrete Mixtures

open access: yesBuildings
Limited investigations have evaluated the potential of using layered sections of normal-weight and lightweight concrete (NWC and LWC) mixtures in structural beams and slabs.
Ali Jahami   +4 more
doaj   +1 more source

Experimental study on the strength of lightweight geopolymer concrete with eco-friendly material

open access: yesGrađevinar, 2020
The differences in properties between the lightweight aggregate concrete and normal conventional concrete at the selected equivalent mix ratios have forbidden the former from being used widely in construction industry.
Nithya Swaminathan   +2 more
doaj   +1 more source

Effect of Coarse Aggregate and Slag Type on the Mechanical Behavior of High and Normal Weight Concrete Used at Barrage Structure [PDF]

open access: yesInternational Journal of Economic and Environment Geology, 2017
Present study is an effort to assess the composite effect of limestone aggregate and blast furnace slag on the mechanical characteristics of normal and high weight concrete at various structural units (barrage girders, main weir and block apron) of New
Muhammad Sanaullah   +6 more
doaj  

Using of Porcelinite as Coarse Aggregate in Concrete

open access: yesTikrit Journal of Engineering Sciences, 2012
In this research the ability of using porcelinite as coarse aggregate to produce light weight concrete was investigated. The experimental program consists of preparing and testing a mixes to investigate mechanical properties of concrete, with a total of ...
Haifa M. Saleh
doaj   +1 more source

Home - About - Disclaimer - Privacy