Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Fathollah Sajedi"'
Publikováno v:
Journal of Structural and Construction Engineering, Vol 7, Iss 4, Pp 202-219 (2021)
This paper presents the results of an axial pressure test on reinforced concrete columns made of high-strength concrete, which are encapsulated using a glass-fiber reinforced plastic pipes (GRP) and also with fiber reinforced polymer (FRP). The purpo
Externí odkaz:
https://doaj.org/article/a56cef30234740ccba7f9dcb06d21733
Autor:
Fathollah Sajedi, Milad Orak
Publikováno v:
Journal of Structural and Construction Engineering, Vol 7, Iss 2, Pp 222-245 (2020)
Concrete density is always a problem that occurs during concrete and it affects the strength, durability and apparent qualities of hardened concrete. Vibration is a practical thing that comes with a lot of noise and requires trained workers, and fail
Externí odkaz:
https://doaj.org/article/b3a2023a59394ba8a3b94184adb5eb21
Autor:
Fathollah Sajedi, Hasan Jalilifar
Publikováno v:
Journal of Structural and Construction Engineering, Vol 6, Iss شماره ویژه 2, Pp 25-44 (2019)
Concrete, as one of the main components of the manufacturing industry since the beginning of the process of production, operation and destruction, plays a major role in the creation of environmental pollution. Since more than 70% of the main body of
Externí odkaz:
https://doaj.org/article/ffc383884f2443e892ab9f735a34c074
Autor:
Fathollah Sajedi, Hasan Jalilifar
Publikováno v:
Journal of Structural and Construction Engineering, Vol 5, Iss شماره ویژه 4, Pp 109-126 (2019)
The present study was conducted to compare the effect of natural zeolite (Z) and silica fume (SF) pozzolans on the mechanical properties of recycled aggregates concrete (RAC’s). The RCA’s made with using different levels of recycled coarse aggreg
Externí odkaz:
https://doaj.org/article/9244505f108f4c2f8be2c7b5122eb32b
Publikováno v:
Journal of Structural and Construction Engineering, Vol 4, Iss 2, Pp 173-192 (2017)
Contracts for oil and gas development projects are naturally complex, they are explained with some of maps and technical specifications. To supply the goals of contracts, it is necessary to construct by a team having owner, consulting engineer and co
Externí odkaz:
https://doaj.org/article/3e175bbae2514107b04c265a05e44985
Autor:
Riad Derabla, Fathollah Sajedi
Publikováno v:
Magazine of Civil Engineering, Vol 98, Iss 6, Pp 9809-9809 (2020)
The acceleration of the hardening of self-compacting concrete (SCC) using the process of heat treatment is widely used in the field of prefabrication. Because mortar serves as the basis for the workability properties of SCC, these properties could be
Externí odkaz:
https://doaj.org/article/f3ab0070068d4893b594a201335c5ed2
Publikováno v:
Buildings, Vol 14, Iss 4, p 988 (2024)
This paper presents experimental and theoretical assessments of the structural behavior of circular steel fiber-reinforced concrete (SFRC) columns reinforced with glass fiber-reinforced polymer (GFRP) bars subjected to a concentric axial compressive
Externí odkaz:
https://doaj.org/article/dc162bac903541a99be83f4157b4da8b
Autor:
Hamid Reza Holakoei, Fathollah Sajedi
Publikováno v:
Neural Computing and Applications. 35:6685-6697
Publikováno v:
Journal of Structural and Construction Engineering, Vol 8, Iss 3, Pp 281-299 (2021)
Magnetic water changes the electron configuration of the ions, followed by significant changes in hardness, electrical conductivity of surface tension and other physical and chemical properties of water. These changes in the cement reaction create a
Autor:
Seyed Fathollah Sajedi, Reza Afshar
Publikováno v:
Journal of Structural and Construction Engineering, Vol 8, Iss 1, Pp 82-96 (2021)
Today, it is quite clear that the speed of development of infrastructure in developing countries has led to much damage to the environment. Concrete is one of the products that plays an important role in the use of non-renewable resources. Today, the