Zobrazeno 1 - 10
of 13
pro vyhledávání: '"reza kohani khoshkbijari"'
Publikováno v:
Journal of Structural and Construction Engineering, Vol 7, Iss 1, Pp 41-55 (2020)
Selection, design and control of materials are very important for achievement of a compatible, durable and economical repair overlay. Suitable bonding of repair overlay to substrate and good resistance against fracture are basics for a durable overla
Externí odkaz:
https://doaj.org/article/957f7c0acc954818b6c359109a73d7d8
Autor:
hamed pourahmadi sefat arabani, Ali Sademomtazi, miralimohammad mirgozar langaroudi, morteza amooei sarajari, reza kohani khoshkbijari
Publikováno v:
Journal of Structural and Construction Engineering, Vol 6, Iss شماره ویژه 3, Pp 193-204 (2019)
Self-compacting concrete or SCC can be considered as the concrete of the future. The most important feature of self-compacting concrete is flowing under its own weight to fill the mould or framework completely, and also to create a dense and sufficie
Externí odkaz:
https://doaj.org/article/a148284c498249b38856247e405db30d
Autor:
Hamed Pourahmadi Sefat Arabani, Ali SadrMomtazi, Mir Alimohammad Mirgozar Langaroudi, Reza Kohani Khoshkbijari, Morteza Amooie
Publikováno v:
Journal of Rehabilitation in Civil Engineering, Vol 5, Iss 2, Pp 101-113 (2017)
For rehabilitation of damaged concrete structures, the durability of repair overlay is a very important issue. Self-compacting concretes (SCC) are known as a suitable repair overlay materials. In this study, the durability of different self-compactin
Externí odkaz:
https://doaj.org/article/6f86a1a3384043a4a7fa5d9390739a43
Publikováno v:
Journal of Rehabilitation in Civil Engineering, Vol 5, Iss 1, Pp 67-78 (2017)
Polymer modified concrete (PMC) consists of Portland cement concrete with a polymer modifier. Its advantages are proper bonding strength to substrate concrete, high tensile and flexural strength and low amount of shrinkage and permeability. Using PMC
Externí odkaz:
https://doaj.org/article/53dedf8c236f4da996dfd21f9346e3c3
Publikováno v:
Journal of Cleaner Production. 398:136074
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca03e58aaaa8747a360083ddb3d0ce32
https://doi.org/10.1016/j.jclepro.2023.136074
https://doi.org/10.1016/j.jclepro.2023.136074
Publikováno v:
Magazine of Concrete Research. 70:519-532
The effect of fly ash (10, 20 and 30%) and silica fume (5 and 10%) as a substitute for cement in binary and ternary mixtures on the properties of fresh and hardened concrete are investigated. To determine mechanical properties, the compressive streng
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b4f751d13b6a0ebf0267bec639f2813
https://doi.org/10.1680/jmacr.16.00537
https://doi.org/10.1680/jmacr.16.00537
Publikováno v:
Magazine of Concrete Research. 69:1268-1275
One of the main issues associated with the reliability and durability of concrete in cold regions is the effect of freezing and thawing cycles on concrete structures. Polymer-modified concrete (PMC), which consists of Portland cement concrete with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5756575acf030350c99eed4f673431c
https://doi.org/10.1680/jmacr.17.00014
https://doi.org/10.1680/jmacr.17.00014
Publikováno v:
Civil Engineering Journal. 2:189-196
Nowadays pozzolans are used vastly in civil projects. Pozzolan is a natural or artificial material containing active silica that increase the strength and improves some properties of concrete. In this survey for investigating some important propertie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::756db5847a99d076ff0dd4c3d130d188
https://doi.org/10.28991/cej-2016-00000025
https://doi.org/10.28991/cej-2016-00000025
Publikováno v:
Construction and Building Materials. 263:120149
In this experimental study, the impacts of replacing cement by Mica and Feldspar on rheological, mechanical and thermal durability of self-compacting mortars (SCMs) are investigated. The cement was partially replaced by Mica and Feldspar at the subst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e01c89a293a5024c32b20d3327b8399d
https://doi.org/10.1016/j.conbuildmat.2020.120149
https://doi.org/10.1016/j.conbuildmat.2020.120149
Autor:
Shide Nejati, Shiva Nejati, Reza Kohani Khoshkbijari, Reza Fouladi, Fatemeh Kohani Khoshkbijari, Reza Barkhordari
Publikováno v:
2012 10th IEEE International Conference on Semiconductor Electronics (ICSE).
Over the past few decades, CMOS has proved to be the choice device in the fabrication of the high density integrated circuits. However, in this technology the device performance is degraded primarily due to mobility limitation in PMOSFET. One way to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab5ac99bb05f83acca46ad409e41e1da
https://doi.org/10.1109/smelec.2012.6417143
https://doi.org/10.1109/smelec.2012.6417143