Lightweight self-compacting concrete: A review
Suman Kumar Adhikary,Deepankar Kumar Ashish,Himanshu Sharma,Jitendra M. Patel,Žymantas Rudžionis,Mohammed Al-Ajamee,Blessen Skariah Thomas,Jamal Khatib +7 more
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TL;DR: In this article , the impact of different types of lightweight aggregate and other influential factors on workability, strength, and durability have been carefully discussed in this study which shows it is possible to develop lightweight self-compacting concrete even below the 1000 kg/m3 density.
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Abstract: Owing to the favorable properties of self-compacting concrete and light-weight aggregate concrete, the development of self-compacting concrete is an engineering excellence, although its application in civil engineering is limited due to a lack of in-depth research. The current review aimed to provide a detailed study of lightweight self-compacting concrete containing several types of natural and sustainable lightweight aggregates. As a primary constituent of lightweight self-compacting concrete, lightweight aggregates are mainly responsible for variation in strength and bulk density of concrete. The impact of different types of lightweight aggregate and other influential factors on workability, strength, and durability have been carefully discussed in this study which shows it is possible to develop lightweight self-compacting concrete even below the 1000 kg/m3 density. In addition, lightweight self-compacting concrete shows excellent frost resistance. The study is a novel initiative to accumulate findings of lightweight self-compacting concrete for its broad acceptance, and future scope of work.
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Citations
Mapping the strength of agro-ecological lightweight concrete containing oil palm by-product using artificial intelligence techniques
TL;DR: In this article , a knowledge-aided modeling based on machine learning methods (e.g., for further development, Multivariate Adaptive Regression Splines (MARS), Gene Expression Programming (GEP), M5P Model Tree (M5P), and Extreme Learning Machine (ELM)) were selected.
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Mechanical properties and microstructure of ultra-high strength concrete with lightweight aggregate
TL;DR: In this article , the authors developed a kind of lightweight ultra-high strength concrete (L-UHSC) through the comprehensive design method, which had an apparent density of 1995kg/m3-2114kg /m3 and a compressive strength of 102.4 MPa-114.5 MPa.
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Production of lightweight foam ceramics by adjusting sintering time and heating rate
TL;DR: In this article , the influence of sintering time and heating rate on the phase evolution, pore structure, physical properties and heavy metal solidification of lightweight foam ceramics were investigated by the results of XRD, SEM and ICP-MS examinations and theoretical calculations.
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Development of eco-friendly foamed concrete with waste glass sheet powder for mechanical, thermal, and durability properties enhancement
TL;DR: This study investigates the effects of replacing sand with glass sheet powder on the mechanical, thermal, and microstructural properties of foamed concrete, revealing improved mechanical and thermal properties at 20% replacement ratio, with potential for enhanced durability.
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Discrete element analysis of the effect of aggregate morphology on the flowability of self-compacting concrete
TL;DR: In this article , the 3D laser scanning technology and digital image processing technology were used to characterize the aggregate morphology quantitatively, and an aggregate classification method considering the angularity of mesoscale was proposed.
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References
Lightweight concrete in America: presence and challenges
TL;DR: In this article, a structured survey was conducted to gauge the acceptance level of lightweight concrete and the obstacles threatening its presence in the construction market, and a customized questionnaire was delivered to 6,203 potential participants from the industry to identify the degree of utilization of LWC.
An experimental investigation on fracture parameters and brittleness of self-compacting lightweight concrete containing magnetic field treated water
Hasan Salehi,Moosa Mazloom +1 more
TL;DR: In this article, an experimental research on the fracture parameters of self-compacting lightweight concrete (SCLC) using tap and magnetic water (MW) is presented, where common fracture parameters were specified by means of both work of fracture method (WFM) and the size effect method (SEM).
Magnetic resonance studies of cement based materials in inhomogeneous magnetic fields
Joanna Boguszynska,Marc C.A. Brown,Peter J. McDonald,Jonathan Mitchell,Mike Mulheron,Jadwiga Tritt-Goc,Dimitris A. Verganelakis +6 more
TL;DR: A portable NMR-MOUSE (MObile Universal Surface Explorer) has been used to follow the hydration of gypsum based plaster, a Portland cement paste and concrete mortar as discussed by the authors.
Flexural toughness and evaluation method of steel fiber reinforced self-compacting lightweight aggregate concrete
TL;DR: In this article, the effect of steel fiber on the flexural toughness of self-compacting lightweight aggregate concrete (SFSLC) was investigated and the applicability of the flexurability evaluation method specified in ASTM C1609 and JG/T 472-2015 for SFSLC was investigated.
Development of high performance concrete
Kazumasa Ozawa,Koichi Maekawa,Hajime Okamura +2 more
- 30 Mar 1992
TL;DR: In this paper, high performance concrete was studied which can be filled into formworks without any vibrators and it was revealed that the segregation and blocking process had close relation to particle-to-particle interaction, and such a interaction could be controlled by liquid phase such as paste between particles.