Results 11 to 20 of about 5,671,926 (283)
Influence of curing on the properties of concretes and mortars in hot climates [PDF]
, 1988 This investigation deals with the influence of initial curing periods and different curing environments, similar to those found in Middle Eastern countries, on the pore size distribution, permeability, water absorption and compressive strength of cement
Alamri, Abdulla Mohammed
core +9 more sources
The relationship between porosity and thermal conductivity of concrete [PDF]
, 1990 This thesis reports the details and results of an experimental study into the effect of porosity on the thermal conductivity of lightweight and normal-weight concretes.
Ganjian, Esmaiel
core +6 more sources
Development of high performance concrete using combinations of mineral admixtures. [PDF]
, 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.
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Cogent Engineering, 2022 The use of recycled aggregates concrete (RAC) contributes effectively to reduce CO2 emissions from concrete manufacturing process while also protecting natural resources by utilizing existing available concrete as an aggregates source for a new one ...
Hamzeh Marwan Allujami +5 more
doaj +1 more source
Influence of mixer type and mixing time on the multipurpose mortars properties
Case Studies in Construction Materials, 2021 This work aims to analyze the use of different mortar mixers and different mixing times, evaluating the influence that the preparation phase has on the multipurpose mortar’s properties in the fresh and hardened states.
Júlio Lopes da Silva +1 more
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Effect of Clay Bricks Powder on the Fresh and Hardened Properties of Self-Compacting Concrete
Iraqi Journal of Civil Engineering, 2018 Fresh and hardened properties of self-compacting concrete were experimentally examined by replacing different percentages of cement with soft clay brick powder produced from crushed clay brick waste.
Oday A. Abdulrazzaq
doaj +1 more source
Fatigue Strength of Age-Hardened Al-Zn Alloys under Repeated Tensile Loading [PDF]
, 1991 Effect of the soft surface layer that was formed on low temperature aging of Al-Zn alloy on fatigue strength was studied under repeated tensile loading. Vickers microhardness test revealed that there existed less hardened region in the vicinity of grain ...
Kanadani, Teruto +3 more
core +1 more source
Characterization of self-compacting concrete incorporating fly ash and rice husk ash at fresh and hardened state [PDF]
Revista IBRACON de Estruturas e MateriaisThis work studies the feasibility of using rice husk ash (RHA) as a partial replacement for Brazilian Portland cement in producing self-compacting concrete for structural purposes.
Luis Eduardo Kosteski +3 more
doaj +1 more source
Mechanical properties of zona pellucida hardening
European Biophysics Journal, 2009 We have investigated the changes in the mechanical properties of the zona pellucida (ZP), a multilayer glycoprotein coat that surrounds mammalian eggs, that occur after the maturation and fertilization process of the bovine oocyte by using atomic force spectroscopy.
Papi, Massimiliano +9 more
openaire +7 more sources
Journal of Building Materials and Structures, 2016 In this work, several reinforced self-compacting concretes were prepared by using three types of fibers made of steel, polypropylene and glass, and three different types of mineral additions (marble powder, metakaolin and limestone powder).
Naima Haddadou +4 more
doaj +1 more source