Zobrazeno 1 - 10
of 1 417
pro vyhledávání: '"fresh properties"'
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 17, Iss 2 (2024)
Abstract 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. The RHA used is produced under controlled burning conditions
Externí odkaz:
https://doaj.org/article/b7f5a7fe27a24593b8d4461a4033e71d
Autor:
Md. Habibur Rahman Sobuz, Shuvo Dip Datta, Abu Sayed Mohammad Akid, Vivian W.Y. Tam, Shoaib Islam, Md. Jewel Rana, Farhad Aslani, Çağlar Yalçınkaya, Norsuzailina Mohamed Sutan
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 36, Iss 3, Pp 216-227 (2024)
This paper studies the fresh and mechanical properties of high-strength concrete (HSC) by incorporating recycled concrete aggregates (RCA) of varying sizes and concentrations. The recycled aggregate concrete (RAC) was prepared by partially replacing
Externí odkaz:
https://doaj.org/article/1e86c0ba7ac84f5ca14d048b9de345fc
Publikováno v:
Eurasian Journal of Science and Engineering, Vol 10, Iss 1, Pp 48-63 (2024)
The environment, natural resources, and waste recycling must all be preserved in today's world. One of the world's most serious environmental challenges is the toxic nature of electrical (E) waste. As a realistic means of disposing of E-waste and red
Externí odkaz:
https://doaj.org/article/4bb2d63054504d8ca017ad3a8ddbb984
Autor:
Qi-Ling Luo, Ke-Ke Yu, Wu-Jian Long, Shu-Yi Zheng, Song-Yuan Geng, Gan-Lin Feng, Hai-Long Wang, Zhang-Hong Qiu
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03517- (2024)
3D printed concrete (3DPC) is an essential technology for achieving efficient, precise, and sustainable construction. Nevertheless, due to limitations in materials and processes, 3DPC is prone to insufficient green strength and weakness in the interl
Externí odkaz:
https://doaj.org/article/2bbf4bec795a4587980c14784a222a7f
Autor:
Saeed Bozorgmehr Nia, Behrouz Shafei
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03443- (2024)
The escalating demand for methods to diminish cement usage without compromising the strength and durability of concrete mixtures has led to an intensified exploration of alternative mixture ingredients. Nano silica has emerged as a prominent suppleme
Externí odkaz:
https://doaj.org/article/aa2ec8b192f74621b29fc05cee5ab7ea
Autor:
Harini Konduru, S Karthiyaini
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03444- (2024)
This work describes the synthesis of geopolymers, a family of amorphous alumino-silicates, employing Silica fume and bauxite waste as precursor materials in an alkali-activated polycondensation reaction and the investigation of their properties. The
Externí odkaz:
https://doaj.org/article/e132e627004b40688a154eb14e6be393
Autor:
Md. Habibur Rahman Sobuz, Al-Imran, Shuvo Dip Datta, Jannat Ara Jabin, Fahim Shahriar Aditto, Noor Md. Sadiqul Hasan, Mahamudul Hasan, Ahmad Akib Uz Zaman
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02839- (2024)
The innovative utilization of sugarcane bagasse ash (SCBA) in producing lightweight concrete (LWC) needs to be explored experimentally and quantification with machine learning approaches. Therefore, this study aims to investigate fresh, mechanical an
Externí odkaz:
https://doaj.org/article/3d32c438d412424fad496350d98fdca1
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03212- (2024)
This study assesses the feasibility of using copper heap leach residue (CHLR) as a sustainable alternative to natural aggregates in concrete production. The CHLR possesses flaky-angular shape grains with rough surface texture and microcracks, crystal
Externí odkaz:
https://doaj.org/article/b6ecf5c211f94d15a01523a74c2247e6
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02822- (2024)
This comprehensive review paper evaluates lithium slag (LS) as a promising precursor for geopolymer concrete, focusing on its workability, strength, durability, and microstructure. In the context of sustainable construction, LS emerges as a vital alt
Externí odkaz:
https://doaj.org/article/81794018bcb8402fb64ee1586d80cfd8
Autor:
Alaa M. Rashad
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 17, Iss 1, Pp 1-20 (2023)
Abstract As known, calcium oxide (CaO) is an alkaline material, which can be used widely to increase the clay-containing soils load carrying capacity, to produce aerated concrete and calcium aluminate cement. In the last few years, introducing CaO in
Externí odkaz:
https://doaj.org/article/0d42fb1bdb3e410596e36b48a99baca8