Results 11 to 20 of about 19,860 (264)
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
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
doaj +1 more source
Effect of Clay Bricks Powder on the Fresh and Hardened Properties of Self-Compacting Concrete
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
Characterization of self-compacting concrete incorporating fly ash and rice husk ash at fresh and hardened state [PDF]
This 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
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
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
Specifics of physico-mechanical characteristics of thermally-hardened rebar
Thermal hardening is widely used nowadays for modification of steel bar properties and obtaining effective reinforcing material. Strength and deformation characteristics of thermally hardened reinforcement is the complex indicator of reinforcement ...
Kopiika Nadiia +2 more
doaj +1 more source
Treating wastewater as an alternative resource in concrete manufacturing to address water shortage in construction: A review [PDF]
Freshwater demand is rising worldwide while available supplies grow scarcer. Concrete production consumes large volumes of freshwater for mixing, curing and washing, and rapid industrial growth has placed further stress on water resources.
Thombare Sarika P. +2 more
doaj +1 more source
Strength and flexural behavior of steel fiber and silica fume incorporated self-compacting concrete
Self-Compacting Concrete (SCC) that flows by its own weights without compaction or vibration, thereby no external energy from mechanical equipment. In addition to this, cement replacement with silica fume and the introduction of steel fibers have allowed
Abdalla M. Saba +6 more
doaj +1 more source
Natural hydraulic lime-based grouts are often used in the structural consolidation of old stone masonry walls, mainly to re-establish the monolithic behaviour of masonry constructions.
Luis G. Baltazar, João Cardoso
doaj +1 more source

