Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Omar Qarani Aziz"'
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 33, Iss 7, Pp 471-481 (2021)
In recent years, strengthening through using fibre reinforcing polymer (FRP), has been widely used in buildings, especially slab-column connections. This is due to several reasons; such as the application of additional loads, incorrect analysis and d
Externí odkaz:
https://doaj.org/article/cc592e2eed574f38842a867af18a2d26
Publikováno v:
Eurasian Journal of Science and Engineering, Vol 3, Iss 1, Pp 212-221 (2017)
The present paper is a theoretical analyses of three dimensional (3D) finite element (FE) model to predicate the shear stress, shear strain, load deflection and crack propagation of sixteen high performance reinforced concrete deep beams (HPRCDB) wit
Externí odkaz:
https://doaj.org/article/1487cfa804804883a2ef7265cf7550af
Publikováno v:
Eurasian Journal of Science and Engineering, Vol 3, Iss 1, Pp 142-164 (2017)
Shear strength of ultra high performance reinforced concrete deep beams without stirrups predicted by neural network models. The neural network model based on 233 beams from literatures considering different parameters such as span to depth ratio,
Externí odkaz:
https://doaj.org/article/0cd8d42585224e899bfd8602de31dc56
Publikováno v:
Engineering and Technology Journal, Vol 31, Iss 1A, Pp 42-52 (2013)
This paper reports experimental data on the behavior and strength of high-strength concrete slender beams reinforced with vertical shear reinforcement. Tests were conducted on ten reinforced concrete beams with stirrups in different positions using h
Externí odkaz:
https://doaj.org/article/21634061232e41a684527974aa78ff24
Autor:
Ghassan M. Werdina, Omar Qarani Aziz
Publikováno v:
The Open Civil Engineering Journal. 15:50-73
Background: The use of post-tensioning in girders causes high bearing and compressive stresses in the anchorage zone. In this study, the behavior of the anchorage zone and the interaction between the local and general zone are investigated. The varia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80eb943eeca28aa318caafb49a36fe63
https://doi.org/10.2174/1874149502115010050
https://doi.org/10.2174/1874149502115010050
Autor:
Imad R. Mustafa, Omar Qarani Aziz
Publikováno v:
Polytechnic Journal. 9:202-207
An experimental program is carried out to evaluate the mix design and mechanical properties of normal strength concrete (NSC) grade 40 MPa and high-strength concrete grade 60 and 80 MPa. The study investigates using silica fume to produce high-streng
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8134932c676cc4776b5b02698a97724b
https://doi.org/10.25156/ptj.v9n2y2019.pp202-207
https://doi.org/10.25156/ptj.v9n2y2019.pp202-207
Autor:
Ghassan M. Werdina, Omar Qarani Aziz
Publikováno v:
Polytechnic Journal. 9:171-177
Post-tensioning tendons in segmental box girder bridges are usually anchored in very massive diaphragms. This paper presents an analytical investigation of the anchorage zone stresses for an interior pier diaphragm and a rectangular block model (mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef7b62b29cbe00a3a550201e84cb0311
https://doi.org/10.25156/ptj.v9n2y2019.pp171-177
https://doi.org/10.25156/ptj.v9n2y2019.pp171-177
Autor:
Ghafur H. Ahmed, Omar Qarani Aziz
Publikováno v:
Structures. 20:527-542
The conception, development, and worldwide acceptance of segmental construction in the field of precast concrete segmental bridges represent one of the most interesting achievements in civil engineering. The structural behavior of segmental bridges d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::941d2684eb33efd03c54d943cf684d6b
https://doi.org/10.1016/j.istruc.2019.06.007
https://doi.org/10.1016/j.istruc.2019.06.007
Autor:
Omar Qarani Aziz, Ghafur H. Ahmed
Publikováno v:
Engineering Structures. 182:89-100
Precast segmental concrete bridge construction involves multiple concrete elements joint together by post-tensioning. The joints that represent locations of discontinuity are the prominent factors affecting the overall behavior of segmental bridges.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b991e0b7f979c420646358cb14c78e50
https://doi.org/10.1016/j.engstruct.2018.12.070
https://doi.org/10.1016/j.engstruct.2018.12.070
Autor:
Omar Qarani Aziz, Ghafur H. Ahmed
Publikováno v:
Construction and Building Materials. 197:117-129
Precast concrete segmental bridges have the advantages of rapid construction speed, excellent quality control and low cost. The structural behavior of segmental bridges largely depends on the behavior of the joints between segments. In this study, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1509db36de389ce1738c567d94010c70
https://doi.org/10.1016/j.conbuildmat.2018.11.220
https://doi.org/10.1016/j.conbuildmat.2018.11.220