Results 21 to 30 of about 92,586 (282)

Conceptualising quality early childhood education: Learning from young children in Brazil and South Africa through creative and play‐based methods

British Educational Research Journal, EarlyView., 2023
Abstract Early childhood has increasingly been acknowledged as a vital time for all children. Inclusive and quality education is part of the United Nations Sustainable Development Goals, with the further specification that all children have access to quality pre‐primary education.
Laura H. V. Wright, Irene Rizzini, Malibongwe Gwele, Lynn McNair, Cristina Laclette Porto, Marsha Orgill, E. Kay M. Tisdall, Malcolm Bush, Linda Biersteker   +8 more
wiley   +1 more source

Ductility and flexure of lightweight expanded clay basalt fiber reinforced concrete slab

Structural Mechanics of Engineering Constructions and Buildings, 2021
Relevance. The load on a reinforced concrete slab with high strength lightweight aggregate concrete leads to increased brittleness and contributes to large deflection or flexure of slabs.
Vera V. Galishnikova, Alireza Heidari, Paschal C. Chiadighikaobi, Adegoke Adedapo Muritala, Dafe Aniekan Emiri   +4 more
doaj   +1 more source

The effect of the pre-wetting of expanded clay aggregate on the freeze-thaw resistance of the expanded clay aggregate concrete

Studia Geotechnica et Mechanica, 2021
This paper presents experimental research on expanded clay aggregate concrete. The aim of the investigations was to determine if the pre-wetting of expanded clay aggregate has an effect on the freeze-thaw durability of the expanded clay aggregate ...
Musiał Michał Piotr, Grzymski Filip, Trapko Tomasz   +2 more
doaj   +1 more source

Heat release and thermal conductivity of expanded-clay concrete for 3D printer

Magazine of Civil Engineering, 2021
The subject of research is expanded-clay concrete with additives of ground granulated blast-furnace slag, silica fume, superplasticizer admixture and air-entraining admixture for 3D printing.
Kseniia Usanova, Yuri Barabanschikov, Leonids Pakrastins, Stanislav Akimov, Svetlana Belyaeva   +4 more
doaj   +1 more source

Improving the compressive strength of lightweight cylindrical concrete column with basalt fiber reinforced polymer acting under imposed load

Structural Mechanics of Engineering Constructions and Buildings, 2020
Relevance. The brittleness of lightweight concrete has developed concern among structural engineers. This concern led to the search on how to improve the strength of lightweight concrete and still retain the weight lightness.
Paschal C. Chiadighikaobi
doaj   +1 more source

Experimental Evaluation of Workability Compressive Strength and Freeze-Thaw Durability of Concrete Containing Expanded Clay Aggregates

Aceh International Journal of Science and Technology, 2022
The development of the building materials industry in Algeria and worldwide has opened up new commercial opportunities for waste recovery. Using recycled materials and natural resources such as expanded clay aggregates are increasingly seen as a solution
Sara Bensalem, Mohamed Lyes Kamel Khouadjia*, Kamel Abdou, Ahmed Abderraouf Belkadi, Oussama Kessal   +4 more
doaj   +1 more source

Expanded clay concrete mixtures and concretes on carbonate sand propertie improvement

IOP Conference Series: Materials Science and Engineering, 2021
Abstract Results of researches of properties of expanded clay concrete on carbonate sand, mixtures and concrete, as well as a technique for selecting optimal concrete compositions for monolithic load-bearing and enclosing structures of residential and public buildings and structures are given.
I A Stolevich, A I Kostyuk, S A Kravchenko, O O Posternak   +3 more
openaire   +1 more source

Size effect of cube specimen on strength of expanded clay fiber-reinforced concrete

Magazine of Civil Engineering, 2022
The object of research is expanded clay concrete reinforced with polymer fiber made of polypropylene. Dispersed reinforcement with polymer fibers is one of the priority directions for modifying lightweight concrete, in particular, expanded clay concrete.
Maskalkova Yuliya, Rzhevutskaya Valeryia
doaj   +1 more source

Water-resistant gypsum expanded-clay concrete technology

IOP Conference Series: Materials Science and Engineering, 2020
Abstract The results of studies on the technology of preparation and hardening of the expanded-clay concrete under various conditions, prepared on the basis of a water-resistance complex gypsum binder (CGB), are presented. It is shown that CGB-based expanded-clay concrete can be used to erect the outer walls of residential and civil ...
Alexander Panchenko, Igor Kharchenko
openaire   +1 more source

Effects of the Incorporation of Expanded Clay on the Physical, Mechanical, Thermal and Microstructural Properties of Self-Compacting Lightweight Concrete (SCLC)

Materials Research, 2023
Self-compacting lightweight concrete (SCLC) has become one of the most promising materials in civil construction. This work applies expanded clay as a light aggregate in the production of SCLC, seeking to evaluate the influence of the use of this ...
Andressa F. Angelin, Victor J. S. Baldan, Rosa C. C. Lintz, Luísa A. Gachet   +3 more
doaj   +1 more source