Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Qingke Nie"'
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03808- (2024)
This study conducted experimental research on the strength and micro–expansion properties of mortar with varying dosages of steel slag powder (SSP) and fly ash (FA) to enhance the application of SSP as a mineral admixture in concrete cementitious m
Externí odkaz:
https://doaj.org/article/0333b101ad264be3b8cb5bf66e69f996
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02745- (2024)
The combined action of sulfate and chlorine salts erodes concrete structures in coastal and saline-alkali zones. The induced fractures under load also accelerate the deterioration of concrete. In this study, ion erosion tests of fractured coal-gasifi
Externí odkaz:
https://doaj.org/article/29bdc4f77bdb43cb9f7c8b141ef0300a
Publikováno v:
Buildings, Vol 14, Iss 9, p 2931 (2024)
Bond performance served as a crucial foundation for the collaboration between concrete and steel rebar. This study investigated the bond performance between coal gasification slag (CGS) concrete, an environmentally friendly construction material, and
Externí odkaz:
https://doaj.org/article/2dec6c2026fa40bfb5f06d6609221de0
Publikováno v:
Materials, Vol 16, Iss 22, p 7195 (2023)
The objective of this study was to reduce the stockpile of steel slag, which is a solid waste generated in the steelmaking process, and promote the resource utilization of steel slag powder (SSP) in construction projects. Experimental research was co
Externí odkaz:
https://doaj.org/article/cd4d1cb75e8840f58665902a0aca4124
Publikováno v:
Frontiers in Earth Science, Vol 10 (2023)
The adsorption capacity of oyster shell powders (SPs) and the adsorption mechanism of heavy metal ions (HMs; i.e., cadmium ions Cd2+ and lead ions Pb2+) on SPs are discussed by means of adsorption kinetics tests, adsorption-desorption tests, scanning
Externí odkaz:
https://doaj.org/article/54d56b831a1a40d3b57d59216f590728
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
In this study, the mechanical properties of composite foundations in red mud ground were examined, and the reinforcement effect of composite foundation dams with mixed geopolymer piles of fly ash and red mud were determined. The feasibility of red mu
Externí odkaz:
https://doaj.org/article/a3ed01ff26644a98a90b38f5ca9c6ebf
Publikováno v:
Geofluids, Vol 2021 (2021)
Sand column tests were conducted to investigate the seepage transport of silicon powders (SPs) with two wide particle size ranges (30-2000 nm and 2-70 μm), including the cotransport of SPs and copper ions. The results show that the graded large-scal
Externí odkaz:
https://doaj.org/article/290d6bba65f8499e9522b2853fb730c9
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
The coupled physical mechanism of heat conduction, moisture migration, and heavy metal transfer in a kaolin soil was studied by one-dimensional column tests. Two cyclic temperature tests show that, during the second cycle, the temperature close to th
Externí odkaz:
https://doaj.org/article/794704fdc01542c7a493e4218b089fb4
Calculation Method for the Critical Thickness of a Karst Cave Roof at the Bottom of a Socketed Pile.
Autor:
Qingke, Nie1,2 (AUTHOR), Xilai, Li3,4 (AUTHOR), Wei, Yuan3,4 (AUTHOR), Anli, Wang5 (AUTHOR), Wei, Wang1,2 (AUTHOR), Xiangxin, Jia1,2 (AUTHOR), Weidong, Shang1,2 (AUTHOR)
Publikováno v:
Advances in Materials Science & Engineering. 12/16/2021, p1-11. 11p.
Publikováno v:
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering. 9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ad3a811bf64eabe2b12759dcad0abe9
https://doi.org/10.1061/ajrua6.rueng-941
https://doi.org/10.1061/ajrua6.rueng-941