Rashno, Alireza, Adlparvar, Mohamadreza, Izadinia, Mohsen. (1401). Study on Rheology Properties, Durability and Microstructure of UHPSCC Contains Garnet, Basalt, and Pozzolan. هنرهای کاربردی, 11(1), 96-110. doi: 10.22075/jrce.2022.25651.1584
Alireza Rashno; Mohamadreza Adlparvar; Mohsen Izadinia. "Study on Rheology Properties, Durability and Microstructure of UHPSCC Contains Garnet, Basalt, and Pozzolan". هنرهای کاربردی, 11, 1, 1401, 96-110. doi: 10.22075/jrce.2022.25651.1584
Rashno, Alireza, Adlparvar, Mohamadreza, Izadinia, Mohsen. (1401). 'Study on Rheology Properties, Durability and Microstructure of UHPSCC Contains Garnet, Basalt, and Pozzolan', هنرهای کاربردی, 11(1), pp. 96-110. doi: 10.22075/jrce.2022.25651.1584
Rashno, Alireza, Adlparvar, Mohamadreza, Izadinia, Mohsen. Study on Rheology Properties, Durability and Microstructure of UHPSCC Contains Garnet, Basalt, and Pozzolan. هنرهای کاربردی, 1401; 11(1): 96-110. doi: 10.22075/jrce.2022.25651.1584

Study on Rheology Properties, Durability and Microstructure of UHPSCC Contains Garnet, Basalt, and Pozzolan

Journal of Rehabilitation in Civil Engineering
مقاله 6، دوره 11، شماره 1 - شماره پیاپی 29، بهار 2023، صفحه 96-110    اصل مقاله (1.76 M)
نوع مقاله: Regular Paper
شناسه دیجیتال (DOI): 10.22075/jrce.2022.25651.1584
نویسندگان
Alireza Rashno1؛ Mohamadreza Adlparvar* 1، 2؛ Mohsen Izadinia1
1Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
2Department of Civil Engineering, University of Qom, Qom, Iran
چکیده
This study evaluates the rheology and mechanical properties and durability of concrete, which at the same time has properties of three types of self-compacting concrete (SCC), fiber-reinforced and ultra-high performance. This concrete contains pozzolans, garnet and basalt aggregates, and steel fiber. The purpose of this research is feasibility construction fiber-reinforced ultra-high performance self-compacting concrete (UHPSCC) of durable. Therefore, the required tests on this concrete have been carried out in two steps. The first step is the importance of rheology properties of self-compacting concrete, containing the tests of fresh concrete including slump flow, V-funnel test, and L-box test. The second step involves tests related to the determination of hardened concrete properties divided into two parts. The first part corresponds to the mech­anical properties test, including compressive strength, and the second part pertains to durability tests (surface water absorption, surface electrical resistivity and RCMT) and microstructural test, including Scanning Electron Microscopy. The above tests show that this type of concrete has rheology properties in the acceptable range EFNARC, ultra-high compressive strength, negligible surface water absorption, minimal chlorine ion migration coefficient, and very high-level electrical resistance has this type of concrete in the ultra-high concrete cluster.

تازه های تحقیق
  • The garnet and basalt aggregate increase the compressive strength of UHPSCC.
  • Low porosity in the ITZ has decreased permeability.
  • The presence of pozzolan has improved the durability of UHPSCC.
کلیدواژه‌ها
Rheology؛ Garnet؛ Basalt؛ Nano silica؛ Durability
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