Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Ehsan Dehghani"'
Publikováno v:
MethodsX, Vol 13, Iss , Pp 102898- (2024)
It is needless to say that travel to and settlement on Mars are associated with extreme levels of scientific and engineering issues. This will only be amplified with the long-term duration of the mission, not only due to scarcity of resources, but al
Externí odkaz:
https://doaj.org/article/fb59e0e2873b4c338609dacec09e3b44
Autor:
Hamidreza Dehghani, Ehsan Dehghani
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 9, Iss 2, Pp 163-179 (2023)
Due to developments in the field of fast transportation, increase in permitted speed and load capacity, moving loads can have significant effects on the dynamic forces of bridges. To consider the dynamic effect in the design of the structure, the dyn
Externí odkaz:
https://doaj.org/article/0615cb4b1430486bbce25ca154f466da
Publikováno v:
MethodsX, Vol 11, Iss , Pp 102270- (2023)
Centered on the core idea of long duration habitat design for research crew on Mars, the Martian Habitat Units (MHUs) are designed as a cluster of 10 units each with the maximum capacity of 9 crew members to live and carry on with the local challenge
Externí odkaz:
https://doaj.org/article/b62b6d790c37450d86850381a91d123c
Autor:
ُSeyed Ali Yadavar, Ehsan Dehghani
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 8, Iss 2, Pp 19-35 (2023)
The method for retaining the excavated pit could have a significant effect on the soil pressure acting on the retaining walls; For this purpose, since the Top-Down construction method is widely used, In this study, a series of numerical analyses has
Externí odkaz:
https://doaj.org/article/cd61e2fbaec94e9cbe23696d4e86af86
Autor:
Ehsan Dehghani, Maryam Soltani Mohajer
Publikováno v:
Civil Engineering Infrastructures Journal, Vol 55, Iss 1, Pp 31-41 (2022)
In the Second World Conference on Disaster Risk Reduction (WCDRR) the concept of resilience has been presented as an Effective Strategy to improve post-earthquake conditions. One of the principles of resilience is “quick response”, which requires
Externí odkaz:
https://doaj.org/article/d992b329e0594bebb1953a4c14a895fe
Publikováno v:
Journal of Rehabilitation in Civil Engineering, Vol 7, Iss 4, Pp 100-113 (2019)
Attributable to the fact that the buckling-restrained brace core yields both in tension and compression, it can absorb energy and exhibit high ductility rendering it proper in order to tolerate earthquick loads.. One of the vital objectives of seismi
Externí odkaz:
https://doaj.org/article/4d97e60bf3d74450ac16d9d7859b9558
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 4, Iss 2, Pp 47-60 (2019)
The presence of the link beam in eccentrically braced frames is primarily responsible for different behavior of this frame with other structural systems. In accordance with the FEMA 356, for the evaluation of the performance of the link beam in all o
Externí odkaz:
https://doaj.org/article/1b1f788b67e84d36aaf3b564998ad73a
Autor:
Mojtaba Akrami, Ehsan Dehghani
Publikováno v:
Journal of Structural and Construction Engineering, Vol 5, Iss شماره ویژه 3, Pp 190-209 (2018)
Today one of the most common systems for resisting lateral forces (wind and earthquake) is special concentrically braced frames (SCBF). Out of plane buckling in compression causes large inelastic flexural deformations in gusset plate. In order to sup
Externí odkaz:
https://doaj.org/article/85eb78f65d0a43fd9a5c9a09167e63ba
Publikováno v:
Journal of Rehabilitation in Civil Engineering, Vol 5, Iss 2, Pp 22-35 (2017)
Earthquake force, loading more than structural capacity, cracking, material fatigue, and other unpredicted events are undeniable in the structure life cycle in order that environmental conditions of the structure would be changed and treats health. D
Externí odkaz:
https://doaj.org/article/51af8ee5ef0c4341a858fce944b35e5a
Autor:
Ehsan Dehghani, Seyed Omid Mousavi
Publikováno v:
پژوهشهای زیرساختهای عمرانی, Vol 2, Iss 1, Pp 13-24 (2016)
By examining the results of the analysis of the modification factor of the bridge with LRB isolators for x and y, respectively 2.32 and 3.95 and modification factor of bridge isolators ERB to x and y, respectively 2.57 and 4.25 was calculated. So mod
Externí odkaz:
https://doaj.org/article/6b3c975e7e014c7aa0a33902259bd9ea