Zobrazeno 1 - 10
of 867
pro vyhledávání: '"Mineral admixture"'
Publikováno v:
Medžiagotyra, Vol 30, Iss 2, Pp 233-238 (2024)
This study employed the rapid chloride ion penetration test and the salt spray erosion method to examine electric flux changes in mineral-admixed reactive powder concrete (RPC). Variations in the chloride ion content and diffusion coefficient under d
Externí odkaz:
https://doaj.org/article/1e63f84b8c8542919a2b8de6433b027f
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 643-654 (2024)
The high geothermal environment during tunnel construction leads to the abnormal porosity and decreased mechanical properties of shotcrete, but its degradation mechanism is still unclear. The compressive strength, flexural strength, and stress-strain
Externí odkaz:
https://doaj.org/article/b1290654200c406ea1e36cc7deef7324
Publikováno v:
Buildings, Vol 14, Iss 9, p 2941 (2024)
The concrete used in the main structures of subway stations has a high degree of constraint. Consequently, temperature changes and shrinkage during construction frequently lead to significant constraint stress, which can result in structural cracking
Externí odkaz:
https://doaj.org/article/58b56c5da1664a34a0adc3cd39995a67
Publikováno v:
Developments in the Built Environment, Vol 17, Iss , Pp 100377- (2024)
Magnesium potassium phosphate cement (MKPC), a clinker-free cement, was used as the recycled coarse aggregate (RCA) surface strengthening material to enhance the mechanical properties and durability of recycled aggregate concrete (RAC) under two surf
Externí odkaz:
https://doaj.org/article/b655f881e06f46b59bc55eaa0447ec4f
Publikováno v:
Buildings, Vol 14, Iss 2, p 533 (2024)
Pervious concrete is an innovative eco-friendly construction material. Through the application of mineral admixtures and microscopic analysis to optimize its performance and analyze its mechanisms, its traits as a sustainable building option may be f
Externí odkaz:
https://doaj.org/article/9a1abac76b244683a5cb6637a2cd81ae
Autor:
Ismail Raci Bayer
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 4, Pp 1118-1125 (2023)
Ready-mixed concrete suffers in terms of fresh and hardened properties as a result of prolonged mixing, hot weather concreting and/or possible delays in construction site. To overcome these problems, this study focused on the provision of sufficient
Externí odkaz:
https://doaj.org/article/2180de49e2dc456790183f53bbe99597
Publikováno v:
Journal of Soft Computing in Civil Engineering, Vol 7, Iss 1, Pp 56-71 (2023)
An extensive simulation program is used in this study to discover the best ANN model for predicting the compressive strength of concrete with respect to the percentage of mineral admixture and percentage of crystalline admixture. To accomplish this,
Externí odkaz:
https://doaj.org/article/4c6bfcac99f74d3793e9ff5796ad5c9f
Publikováno v:
Frontiers in Materials, Vol 10 (2023)
Aiming at the existing grouting material, there are a series of problems such as poor fluidity of the grouting, rapid loss of fluidity, non-compactness of the grouting after hardening, gaps or holes, and the like. In this paper, fly ash, limestone po
Externí odkaz:
https://doaj.org/article/5c05787079384efcb056d8613edbcb2f
Preparation and properties of ultra-high performance concrete incorporation multi-mineral admixtures
Publikováno v:
Materials Research Express, Vol 11, Iss 8, p 085311 (2024)
The impact of multi-mineral admixtures on the sturdiness of ultra-high performance concrete (UHPC). In this study on the premise that multi-mineral admixtures can be utilized in UHPC, we optimized the percentage of three admixtures(limestone powder,s
Externí odkaz:
https://doaj.org/article/858e9ba5219641cab47d42ea113bd09a
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