Zobrazeno 1 - 10
of 1 503
pro vyhledávání: '"Pozzolana"'
Publikováno v:
Nordic Concrete Research, Vol 70, Iss 1, Pp 125-146 (2024)
Calcium-alumina-silicate-hydrate (C-A-S-H) is the main hydration product formed in Portland composite cement pastes. C-A-S-H is a key phase with regard to the strength and durability of concrete. Proper characterization of C-A-S-H is difficult due to
Externí odkaz:
https://doaj.org/article/0c732ca9b4e64ba1827c59b326da6ec4
Autor:
Shtwai Alsubai, Abdullah Alqahtani, Sabih Hashim Muhodir, Abed Alanazi, Mohd Ahmed, Dheyaa J. Jasim, Sivaprakasam Palani
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract This paper aims to estimate the permeability of concrete by replacing the laboratory tests with robust machine learning (ML)-based models. For this purpose, the potential of twelve well-known ML techniques was investigated in estimating the
Externí odkaz:
https://doaj.org/article/5d36af95e5d04e8d8f2d12142cf1e9d1
Publikováno v:
Open Engineering, Vol 14, Iss 1, Pp 517-25 (2024)
Roller-compacted concrete pavement (RCCP) is one of the most durable, economical, and practical solutions for the construction of roads for various heavy-duty purposes. To make RCCP more sustainable, different waste materials have been utilized. Thes
Externí odkaz:
https://doaj.org/article/fd18781a59184478af85e02cea1c9b75
Publikováno v:
Journal of Natural Fibers, Vol 21, Iss 1 (2024)
ABSTRACTSisal fiber employment in concrete improves its post-crack strength, but sisal fiber degrades due to moisture and cement mineralization. Many researchers used alkaline and pozzolanic techniques to treat sisal fiber in cement composite materia
Externí odkaz:
https://doaj.org/article/e3da27f616734babb552888b855f44d6
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 335, Iss 4 (2024)
This study offers a comparative assessment of two methodologies for mitigating soil swelling in marl and clay soils. The methods under investigation include the use of natural plant fibers (Alfa, jute, sisal) and polypropylene fibers in combination w
Externí odkaz:
https://doaj.org/article/67c728b8d6104c88b1bd63828146e3fd
Autor:
Mu’tasim Abdel-Jaber, Nasim Shatarat, Hasan Katkhuda, Hebah Al-zu’bi, Rawand Al-Nsour, Rouzan Alhnifat, Ahmad Al-Qaisia
Publikováno v:
CivilEng, Vol 4, Iss 3, Pp 1036-1051 (2023)
The innovation inherent to employing expanded polystyrene (EPS) beads lies in its transformative impact on traditional concrete practices. Through the incorporation of EPS beads in concrete mixtures, a novel approach emerges that significantly alters
Externí odkaz:
https://doaj.org/article/a6a739742f0c4fdc85661295ed45c0e0
Publikováno v:
Buildings, Vol 14, Iss 6, p 1584 (2024)
The goals of this study are to propose a method to minimize the waste of buildings’ exterior walls and to respond to practical technical reports on disaster resistance and reductions in resource extraction. This study’s scientific value is its te
Externí odkaz:
https://doaj.org/article/a57c6bdd20b54b4d972db245a2edc948