Results 81 to 90 of about 65,598 (218)

Strengthening Effect of Nano-materials on the Compressive Strength and Microstructure of Recycled Brick Aggregate Concrete

open access: yesMedžiagotyra
To investigate the strengthening effect of different nano-materials on recycled brick aggregate concrete, this paper considered the influence of different nano-materials, different mixing amounts, and different mixing methods on the compressive strength ...
Shenao CUI   +8 more
doaj   +1 more source

Influência dos procedimentos de ensaio à compressão de corpos-de-prova cilíndricos no controle de qualidade do concreto [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Civil, Florianópolis, 2006A qualidade do concreto aplicado em estruturas tem sido avaliada pelo ensaio de resistência à ...
Sousa, Gabriela Gonçalves de
core  

Effects of Adding Sewage Sludge Ash on the Strength of Ordinary Portland Cement Concrete and Recycled Aggregate Concrete

open access: yes工程科学与技术, 2021
In order to realize the resource utilization of the sewage sludge ash (SSA) in the concrete, the effects of adding the 0, 1%, 3% and 5% SSA on the workability, compressive strength and splitting strength of the ordinary Portland cement concrete (OPC) and
Xiaoshuang SHI   +4 more
doaj  

Effect of Initial On-Site Curing on 28-Day Cylinder Strength

open access: yes, 2011
The initial curing of concrete specimens for quality assurance is addressed in different ways in testing standards, which often specify requirements that are difficult to meet in practice unless very costly initial curing chambers are available.
Fernández Gómez, Jaime Antonio   +4 more
core  

Optimization of Mixture Proportions for Concrete Pavements—Influence of Supplementary Cementitious Materials, Paste Content and Aggregate Gradation

open access: yes, 2012
The ultimate goals of this study included investigation of the optimal ranges for paste content, amount of cementations materials and aggregate gradation for concrete paving mixtures.
Rudy, Adam, Olek, Jan
core   +1 more source

Stress-Strain Behavior of Steel Fiber-Reinforced Concrete Cylinders Spirally Confined with Steel Bars

open access: yesAdvances in Civil Engineering, 2018
The compressive strength of concrete according to certain codes can be based on the compressive strength of unconfined plain standard concrete cylinders tests at the age of 28 days.
Bambang Sabariman   +4 more
doaj   +1 more source

Machine learning approaches to predict compressive strength of fly ash-based geopolymer concrete: A comprehensive review [PDF]

open access: yes
Geopolymer concrete is a sustainable replacement to the Ordinary Portland Cement (OPC) concrete as it mitigates some of the associated problems of OPC manufacturing such as greenhouse gas emission and natural resource depletion.
Lokuge, Weena   +5 more
core   +1 more source

Comparative Study of the Mechanical Behavior of Self Compacting and Conventional Concreteswith Strength of 20-80 MPa

open access: yesJournal of Engineering and Sustainable Development, 2008
The aim of this study is to find a correlation between strength of different concrete specimen shapes and sizes of self-compacting concrete, to evaluate the mechanical properties (compressive strength, splitting tensile strength and modulus of ...
Ghazi F. Kheder   +2 more
doaj  

Mechanical Properties of Geopolymer Concrete Exposed to Combustion

open access: yesMATEC Web of Conferences, 2017
This paper presents the change of material properties, such as decreasing of the compressive strength, splitting tensile strength, and porosity. The main objective of this paper is to analyze the mechanical properties of fly ash-based geopolymer concrete
Rahmadina Annisa, Ekaputri Januarti Jaya
doaj   +1 more source

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