Results 31 to 40 of about 113,961 (303)

Efeito da pré-molhagem do agregado nas propriedades das argamassas com agregado reciclado deconcreto e agregado leve [PDF]

open access: yes, 2019
This paper examines the suitability of partially replacing natural aggregate, sand, (NA) with recycled concrete aggregate (RCA) or lightweight aggregate (LWA) in mortars, under the hypothesis that pre-wetting aggregates would produce improvement in ...
Aponte Hernández, Diego Fernando   +3 more
core   +4 more sources

An Investigation of the Mechanical and Physical Characteristics of Cement Paste Incorporating Different Air Entraining Agents using X-ray Micro-Computed Tomography [PDF]

open access: yes, 2020
Improving the thermal insulation properties of cement-based materials is the key to reducing energy loss and consumption in buildings. Lightweight cement-based composites can be used efficiently for this purpose, as a structural material with load ...
Abd Elrahman, Mohamed   +5 more
core   +1 more source

Cellular Lightweight Concrete

open access: yesJournal of Advance Research in Mechanical & Civil Engineering (ISSN: 2208-2379), 2015
Cellular Light weight Concrete (CLWC) is not a new invention in concrete world. It has been known since ancient times. It was made using natural aggregates of volcanic origin such as pumice, scoria, etc. The Greeks and the Romans used pumice in building construction.
Sagar W. Dhengare   +2 more
openaire   +2 more sources

Mechanical Properties and Dynamic Response of Lightweight Reinforced Concrete Beam [PDF]

open access: yesEngineering and Technology Journal, 2012
The study is conducted to perform two goals: The first geal is to produce a lightweight concrete using major components which are locally available with some standard admixtures.Many mixtures are prepared using many ratios of superplasticizer (SP) and ...
Aziz Ibrahim Abdulla   +2 more
doaj   +1 more source

Enhancing lightweight concrete strength through modified zeolite-alkaline porous aggregate: composition optimization and structural application

open access: yesMagazine of Civil Engineering
The work is aimed at research of technology of lightweight concrete with porous aggregate with improved strength characteristics to expand the field of its application in reinforced concrete structures.
Matveeva Olga   +4 more
doaj   +1 more source

Mechanical properties and freeze-thaw resistance of lightweight aggregate concrete using artificial clay aggregate

open access: yesOpen Engineering, 2022
This work intends to make structural lightweight aggregate concrete by using artificial expanded clay aggregate with different replacement levels from normal coarse aggregate and improve it with a high-performance superplasticizer to increase its ...
Al-Dikheeli Mohammed Riyadh   +2 more
doaj   +1 more source

Lightweight Concrete Produced Using a Two-Stage Casting Process [PDF]

open access: yes, 2015
The type of lightweight aggregate and its volume fraction in a mix determine the density of lightweight concrete. Minimizing the density obviously requires a higher volume fraction, but this usually causes aggregates segregation in a conventional mixing ...
De Larrard   +4 more
core   +2 more sources

Quantitative investigation of physical and mechanical properties of different artificial aggregate [PDF]

open access: yes, 2020
Concrete is an important construction element because it is plastic and soft when newly mixed, yet strong and tough when hardened. However, when the world technologies are develop year by years, lightweight concrete has been commonly used in several ...
Hadipramana, Josef   +3 more
core  

Corn cob lightweight concrete for non-structural applications [PDF]

open access: yes, 2012
A lightweight concrete using granulated corn cob (without corn) as an aggregate is proposed in this research work. Taking into account that corn cob, after extracting the corn, is generally considered an agricultural waste, an interesting economic and ...
Cunha, V.   +8 more
core   +2 more sources

Исследование работы стеклопластиковых крепежных элементов в стеновых конструкциях [PDF]

open access: yes, 2016
The article is devoted to the study of pull-out tests of fiberglass plastic dowels installed in the walls made of lightweight concrete. The authors have undertaken experimental tests of anchors in use on the construction site and conducted analysis of ...
Belyakov, V. A.   +5 more
core   +1 more source

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