Results 41 to 50 of about 32,539 (203)

Durability and Smart Condition Assessment of Ultra-High Performance Concrete in Cold Climates [PDF]

open access: yes, 2016
The goals of this study were to develop ecological ultra-high performance concrete (UHPC) with local materials and supplementary cementitious materials and to evaluate the long-term performance of UHPC in cold climates using effective mechanical test ...
Allena, Srinivas   +2 more
core  

Effect of Locust Bean Pod Ash and Eggshell Ash on the Mortar Compressive and Flexural Strengths of Cement Blends [PDF]

open access: yes, 2020
An increase in the generation of biogenic wastes such as locust bean pods and eggshells coupled with the need to drive sustainability in the cement industry has led the use of these wastes as cement replacement materials.
Jibril, Abubakar   +2 more
core   +2 more sources

Punching shear of reinforced concrete slabs bonded with reactive powder after exposure to fire

open access: yesOpen Engineering, 2023
Reactive powder concrete (RPC) is one of the most recent and significant advancements in the world of building. Due to its higher concrete characteristics, it has a common excessive benevolence happening in the globe at the moment, excessive ductility ...
Atea Rafid Saeed   +2 more
doaj   +1 more source

Torsional Strength of Beams Made of Reactive Powder Concrete Containing Recycled Aggregate

open access: yesMisan Journal of Engineering Sciences
This study investigates the torsional strength of beams made of a reactive powder concrete mix containing fine recycled aggregate. It also studies the mechanical properties of reactive powder concrete (RPC) in its fresh and hard state and the impacts of ...
salahuddin qusay
doaj   +1 more source

REACTIVE POWDER CONCRETE DENGAN SUMBER SILIKA DARI LIMBAH BAHAN ORGANIK

open access: yesTeras Jurnal: Jurnal Teknik Sipil, 2017
Reactive powder concrete (RPC) merupakan varian baru dari beton mutu ultra tingggi (ultra high strength concrete) yang diperkenalkan kepada umum pertama kali pada tahun 1994.
Yulius Rief Alkhaly
doaj   +1 more source

Properties of slag based geopolymer reactive powder concrete

open access: yesAin Shams Engineering Journal, 2021
Reactive Powder Concrete (RPC) is a high strength concrete with excellent engineering properties. High cement content is one of the important key parameters in the development of RPC. Production of cement considered a non-sustainable eco-friendly process.
Ola A. Mayhoub   +3 more
doaj   +1 more source

Residual capability of alkali binding by hydrated pozzolanic cements in long-service concrete structures [PDF]

open access: yes, 2018
An experimental procedure was developed and applied to cement pastes made with two different pozzolanic cements (CEM IV/B (P) and CEM IV/B (V)) in order to ascertain the existence of a residual capability of alkali binding by long-term hydrated ...
Antonio Evangelista Paolini, And   +2 more
core   +2 more sources

The development and characteristics of a hand-held high power diode laser-based industrial tile grout removal and single-stage sealing system [PDF]

open access: yes, 2002
As the field of laser materials processing becomes ever more diverse, the high power diode laser (HPDL) is now being regarded by many as the most applicable tool.
A. W. Gale   +25 more
core   +1 more source

Experimental Study of Durability of Reactive Powder Concretes

open access: yesJournal of Materials in Civil Engineering, 1996
The durability of reactive powder concretes (RPC) has been defined by measuring porosity, air permeability, water absorption, diffusion, and migration of chloride ions, accelerated carbonation, resistance to reinforcement corrosion, resistivity, and resistance to mechanical abrasion.
Roux, N.   +2 more
openaire   +2 more sources

A comparison of enhancement techniques for footwear impressions on dark and patterned fabrics [PDF]

open access: yes, 2013
The use of chemical enhancement techniques on porous substrates, such as fabrics, poses several challenges predominantly due to the occurrence of background staining and diffusion as well as visualisation difficulties.
Bandey, Helen   +3 more
core   +3 more sources

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