Results 41 to 50 of about 65,598 (218)

Compressive Strength of Concrete Mixed and Cured with Different Ratios of Fresh and sea Water

open access: yes, 2023
: By 2025, there will be insufficient drinking water according to a report of the world meteorological organization (WMO). In order to provide drinking water it was found that the use of seawater in the concrete industry was necessary. Researchers in the
Nehal M. Ayash   +3 more
core   +1 more source

Strength of Different Fiber Reinforced Concrete in Marine Environment

open access: yesMedžiagotyra, 2018
In this paper, the compressive strength, tensile strength and growing rate of compressive strength in 3, 7, 28 and 90 day ages for steel, polypropylene and hybrid steel-polypropylene fiber reinforced concrete with different water to binder ratios (0.4 ...
Fereydoon AMINI   +3 more
doaj   +1 more source

Multiaxial compressive strength of hybrid fiber reinforced concrete: A unified empirical model

open access: yesFrontiers in Materials, 2023
In engineering design, the strength analysis of concrete structures heavily depends on the compressive strength of hybrid fiber reinforced concrete (HFRC), which also has an impact on the stability and safety of the structure. The objective of this study
Jian Li   +5 more
doaj   +1 more source

The Effects of Design Strength, Fly Ash Content and Curing Method on Compressive Strength of High Volume Fly Ash Concrete: A Design of Experimental

open access: yesMATEC Web of Conferences, 2017
High volume fly ash concrete becomes one of alternatives to produce green concrete as it uses waste material and significantly reduces the utilization of Portland cement in concrete production.
Solikin Mochamad, Setiawan Budi
doaj   +1 more source

Application of ANN and ANFIS Models in Determining Compressive Strength of Concrete [PDF]

open access: yesJournal of Soft Computing in Civil Engineering, 2018
Concrete compressive strength is recognized as one of the most important mechanical properties of concrete and one of the most significant mechanical properties in determining the quality of the produced concrete.
Zahra Keshavarz, Hojjatollah Torkian
doaj   +1 more source

Comparative study of the effect of silica nanoparticles and polystyrene on the properties of concrete

open access: yesResults in Materials, 2023
The current article examined the effect of adding nano silica and polystyrene granules on the compressive strength and thermal conductivity of concrete.
Alaa N. Saleh   +3 more
doaj   +1 more source

Mechanical Behavior of Recycled Fine Aggregate Concrete with High Slump Property in Normal- and High-Strength

open access: yesInternational Journal of Concrete Structures and Materials, 2019
This study investigated the mechanical behavior of normal strength (NS) and high strength (HS) concrete containing recycled fine aggregates (RFAs). A high slump mixing design was employed, which may be potentially used as filled structural concrete.
Minkwan Ju, Kyoungsoo Park, Won-Jun Park
doaj   +1 more source

Strength of slender reinforced concrete walls [PDF]

open access: yes, 1983
This study is concerned with the behaviour of single span slender reinforced concrete members with depth/span ratios equal to and larger than 1. A series-of deep panels with depth/span ratios between I and 4 was studied experimentally.
Besser Avila, Israel
core  

Development of high performance concrete using combinations of mineral admixtures. [PDF]

open access: yes, 1995
Cement replacement materials are by-products used to produce high performance concrete. Published data on the effects of combinations of mineral admixtures in concrete on the microstructural and performance-related properties under different ...
Darwish, Abdulhanan A., Darwish, A.
core  

Estimativa da resistência do concreto à compressão por meio da velocidade de propagação dos pulsos ultrassônicos na pasta do concreto [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia CivilEsse trabalho propõe um procedimento alternativo para a estimativa da resistência à compressão do concreto através do método da ...
Irrigaray, Mário Arlindo Paz
core  

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