Zobrazeno 1 - 10
of 6 457
pro vyhledávání: '"Cement mortar"'
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 18, Iss 1, Pp 1-15 (2024)
Abstract The performance of cement-based materials depends on the characteristics of solid particles at the nano-scale or nanometer porosities in the interfacial transition zone between cement particles and aggregate. Heat significantly affects the p
Externí odkaz:
https://doaj.org/article/cb5bdcd7749947f4aa00379ac22c7608
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract The COVID-19 pandemic has led to a surge in medical waste generation, posing hazards to both the environment and global health. The impacts of the COVID-19 pandemic’s medical waste hazard may persist long after the pandemic itself subsides
Externí odkaz:
https://doaj.org/article/b1f3d834d02e47349fa7237098fcedd5
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3942-3949 (2024)
This study focuses on investigating the chemical degradation characteristics of cementitious barriers used in low- and intermediate-level radioactive waste repository by reactive transport modeling. The impact of the blending with supplementary cemen
Externí odkaz:
https://doaj.org/article/24f80c1d43b44c279aae22c8a1240465
Autor:
Karine Miranda de Souza Tavares, Natália Tavares Gomes, Gustavo de Castro Xavier, Sidnei José Gomes Sousa, Afonso Rangel Garcez de Azevedo, Carlos Maurício Fontes Vieira, Jonas Alexandre, Sérgio Neves Monteiro
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1382-1394 (2024)
The construction industry has been constantly expanding and is, consequently responsible for a high consumption volume of natural raw materials and for generating large amounts of waste. In detriment of this scenario, this research proposes the reuse
Externí odkaz:
https://doaj.org/article/35aac7c5b9ce41678dcff0a6424f3b56
Autor:
N. Avinash Reddy, P. Sri Chandana
Publikováno v:
Discover Materials, Vol 4, Iss 1, Pp 1-18 (2024)
Abstract The present study investigated the microstructural properties of ordinary Portland cement (OPC)-modified with minimum dosage of nano TiO2 on fresh and hardened cement mortar surfaces and intermixed samples. X-ray diffraction (XRD), scanning
Externí odkaz:
https://doaj.org/article/ee1703932bb443b4a1f9e5c2c26e67ce
Yes
This article aims to investigate the flowability, physical, mechanical, and durability properties of metakaolin (MK)-added colored cement mortars exposed to the effects of H2SO4 sulfuric acid (SA) and HNO3 nitric acid (NA). MK was used in 20
This article aims to investigate the flowability, physical, mechanical, and durability properties of metakaolin (MK)-added colored cement mortars exposed to the effects of H2SO4 sulfuric acid (SA) and HNO3 nitric acid (NA). MK was used in 20
Externí odkaz:
http://hdl.handle.net/10454/19950
Publikováno v:
Acta Polytechnica, Vol 64, Iss 4 (2024)
It is widely recognised that green building, environmental sustainability, and technical performance have recently become requirements in the field of civil engineering. For this reason, the new trend in research is to focus on the recycling and reco
Externí odkaz:
https://doaj.org/article/6421e0047f854314bc3d9aede970d29b
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
Ordinary cement mortar is commonly used in building engineering due to its high strength, affordability, and easy access to raw materials. However, it suffers from high shrinkage and poor impermeability, which result in reduced building service life
Externí odkaz:
https://doaj.org/article/d354d0fa805e4ec5881169fe0471e95d
Autor:
Isma Salah Salah, Zahreddine Nafa, Hocine Oucief, Hamid Satha, Salem Chaguetmi, Abdel-Ghani Boudjahem
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102552- (2024)
In recent years, nanoaprticules with different sizes have been incorporated in the cement mortar in order to improve their mechanical characteristics. The present work focuses onto the influence of the silica nanoparticles (SiO2) with low and high su
Externí odkaz:
https://doaj.org/article/0b1bad5fafb747788c2afa813929a3a8
Autor:
Ahmed Al-Ramthan, Ruaa Al Mezrakchi
Publikováno v:
AIMS Materials Science, Vol 11, Iss 3, Pp 495-514 (2024)
Nanomaterials integration within construction materials could promote the generation of more sophisticated structural materials, as it imbues reinforcement at the nanoscale. This research adopted experimental approaches to assess the influence of met
Externí odkaz:
https://doaj.org/article/d3cd0046d17e490fb21b3ca165a111cb