Results 21 to 30 of about 19,674 (217)

Characterization of self-compacting concrete incorporating fly ash and rice husk ash at fresh and hardened state [PDF]

Revista IBRACON de Estruturas e Materiais
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, Ederli Marangon, Jarbas Bressa Dalcin, Matheus Machado Costa   +3 more
doaj   +1 more source

Fresh and hardened properties of self-compacting concrete with different mineral additions and fibers

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, Rabah Chaid, Youcef Ghernouti, Naima Adjou, Malik Bouzoualegh   +4 more
doaj   +1 more source

Specifics of physico-mechanical characteristics of thermally-hardened rebar

Production Engineering Archives, 2022
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, Selejdak Jacek, Blikharskyy Yaroslav   +2 more
doaj   +1 more source

Strength and flexural behavior of steel fiber and silica fume incorporated self-compacting concrete

Journal of Materials Research and Technology, 2021
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, Afzal Husain Khan, Mohammad Nadeem Akhtar, Nadeem A Khan, Seyed Saeid Rahimian Koloor, Michal Petrů, Neyara Radwan   +6 more
doaj   +1 more source

A Novel Hybrid Radial Basis Function Method for Predicting the Fresh and Hardened Properties of Self-Compacting Concrete [PDF]

Advances in Engineering and Intelligence Systems, 2022
It is observed from the published literature that there were so few studies concentrating on predicting both fresh and hardened properties of self-compacting concrete (SCC).
Zhangabay Nurlan
doaj   +1 more source

Fresh and Hardened Properties of Concrete Reinforced with Basalt Macro-Fibers

Buildings, 2022
This study examines the fresh and hardened properties of normal- and high-strength concrete (NSC and HSC) reinforced with basalt macro-fibers (BMF) at a volume fraction (νf) of 0.5–1.5%.
Shahrukh Shoaib, Tamer El-Maaddawy, Hilal El-Hassan, Bilal El-Ariss, Marwa Alsalami   +4 more
doaj   +1 more source

A swarm intelligence shrinkage optimization of fly ash and tile aggregate based self-compacting concrete exposed to high temperatures

Engineering and Applied Science Research, 2023
Almost all the building structure is built with the basis ofSelf-compacting concrete (SCC). Hence, it has increased the researcher's interest in enriching the mechanical properties by optimizing the shrinkage.
Sri Lakshmi Manthena, Krishna Rao Boddepalli   +1 more
doaj  

Use of recycled concrete aggregate in concrete: a review

Journal of Civil Engineering and Management, 2013
The use of recycled concrete aggregate (RCA) in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for virgin aggregate.
Md. Safiuddin, Ubagaram Johnson Alengaram, Md. Moshiur Rahman, Md. Abdus Salam, Mohd. Zamin Jumaat   +4 more
doaj   +1 more source

Use of Recycled Concrete Aggregates in Production of Green Cement-Based Concrete Composites: A Review

Crystals, 2021
Recycled concrete aggregates (RCA) are used in existing green building composites to promote the environmental preservation of natural coarse aggregates (NCA).
Natt Makul, Roman Fediuk, Mugahed Amran, Abdullah M. Zeyad, Gunasekaran Murali, Nikolai Vatin, Sergey Klyuev, Togay Ozbakkaloglu, Yuriy Vasilev   +8 more
doaj   +1 more source

Fresh and hardened concrete properties containing red mud and silica fume

Građevinar, 2023
In recent years, various studies have been conducted on the utilisation of bauxite residue from alumina production (known as red mud) in the construction industry.
Marko Ćećez, Merima Šahinagić-Isović   +1 more
doaj   +1 more source