Zobrazeno 1 - 10
of 1 194
pro vyhledávání: '"River sand"'
Publikováno v:
Nature Environment and Pollution Technology, Vol 23, Iss 3, Pp 1613-1621 (2024)
River dredging is crucial for mitigating the risk of floods by enhancing the water-carrying capacity of rivers. Nevertheless, the key difficulty lies in the appropriate disposal of dredged material, resulting in escalated costs. Predominantly consist
Externí odkaz:
https://doaj.org/article/0f5059fcc1f44f1ca04f2f0e3b989032
Publikováno v:
CT Lilun yu yingyong yanjiu, Vol 33, Iss 5, Pp 577-584 (2024)
Many oil fields in the Bohai Oilfield are currently in the stage of high water cut and low recovery. Thus, it is urgent to conduct in-depth research on the potential of these oil fields to maintain stable production. After 20 years of directional wel
Externí odkaz:
https://doaj.org/article/9fec97d38fcc49529f1135464b781e56
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 11, Iss 4, Pp 6285-6294 (2024)
Illegal river sand mining in regions like the Limpopo Province poses severe threats to ecosystems and communities. Nevertheless, the community's perspectives concerning these effects have not been determined. Thus, the aim of the investigation was to
Externí odkaz:
https://doaj.org/article/1b757b70e2994c2a8a201c4564602af0
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102478- (2024)
Workable, environmentally friendly, sustainable sand concrete was reviewed to replace river sand for concrete production. The river ecology and the biological balance will be preserved with the help of the carefully chosen sustainable sand. A systema
Externí odkaz:
https://doaj.org/article/90412bfeb34b471c84332f5daf90776a
Publikováno v:
Cleaner Materials, Vol 12, Iss , Pp 100243- (2024)
Dump waste generated by open cast coal mining industry is a significant global source of environmental pollution, land degradation and possesses threats to the environmental sustainability. After conducting pilot study, experimental investigations we
Externí odkaz:
https://doaj.org/article/77d2d18e6b694829b3252b8dba3d7bdb
Publikováno v:
Materials, Vol 17, Iss 17, p 4307 (2024)
This study investigates the potential use of Yellow River sand (YRS) sourced from the lower reaches of the Yellow River in China as a sustainable and cost-effective substitute for quartz sand in Engineered Cementitious Composites (ECC). With an annua
Externí odkaz:
https://doaj.org/article/a14b33124f87455eb3ad50229f49d3bb
Autor:
Weizhun Jin, Yiming Chen, Yajun Lv, Linhua Jiang, Weifeng Bai, Kangjie Zhang, Caihong Song, Xianlei Zhang
Publikováno v:
Materials, Vol 17, Iss 15, p 3810 (2024)
In order to reduce the negative impact on the environment caused by the massive accumulation of red mud (RM) and Yellow River sand (YRS), new alkali-excited granulated blast-furnace slag (GGBS)/RM/YRS (AGRY) geopolymer cementitious materials were pre
Externí odkaz:
https://doaj.org/article/bed210b79bba49bbac5ed6dad9b6118b
Autor:
Boucedra, Aissa, Bederina, Madani
Publikováno v:
World Journal of Engineering, 2022, Vol. 20, Issue 4, pp. 722-731.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/WJE-10-2021-0606
Autor:
Mohammad Nadeem Akhtar, Mohammed Jameel, Zainah Ibrahim, N. Muhamad Bunnori, Khaldoon A. Bani-Hani
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 1, Pp 102331- (2024)
The present study aims to develop 4 types of sustainable modified sand using various proportions of desert sand, natural crushed sand, and recycled crushed sand. The physicochemical characteristics of modified sand have been evaluated. Newly develope
Externí odkaz:
https://doaj.org/article/a0708c74052849d692c052a3f098061e
Publikováno v:
Materials, Vol 17, Iss 10, p 2211 (2024)
To reduce drying shrinkage of AASC mortar (AASM), mixed aggregate mixed with river sand (RS) and silica sand in three sizes was used to investigate the effect of the physical properties of mixed aggregate on shrinkage reduction. A mixture of river sa
Externí odkaz:
https://doaj.org/article/7df49a4ba4a54b51b3a83bee01310702