Zobrazeno 1 - 10
of 22
pro vyhledávání: '"M. H. Seleem"'
Publikováno v:
Archives of Civil and Mechanical Engineering. 22
Unfortunately, fibrous composite materials' mixed-mode fracture toughness (Keff) was measured using inappropriate through-thickness cracked (TTC) specimens. The problem with such specimens is the ignorance of the fibers in the pre-notch surfaces, i.e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5b5b64ac8ad4b5146a2e538110a4aea
https://doi.org/10.1007/s43452-022-00492-8
https://doi.org/10.1007/s43452-022-00492-8
Autor:
M. H. Seleem, A. A. Al-Tuhami
Publikováno v:
MEJ. Mansoura Engineering Journal. 32:27-36
One of the most famous problems in concrete Technology is reducing the water cement ratio (w/c) to obtain high strength concrete. An innovative method 10 do so is to compress the freshly caste concrete under pressure using special Trains. The method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79ae308469c07af2eeeb0cea12f6be69
https://doi.org/10.21608/bfemu.2020.128190
https://doi.org/10.21608/bfemu.2020.128190
Publikováno v:
Archives of Civil and Mechanical Engineering. 22
The present dilemma is how to simulate the real crack in full depth (FD) fiber-reinforced concrete (FRC), FD FRC, to get the actual fracture toughness of such fibrous composites, i.e., through-thickness pre-cracks are inappropriate for such materials
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3fd575d0a4582340c0b02378099627f
https://doi.org/10.1007/s43452-022-00424-6
https://doi.org/10.1007/s43452-022-00424-6
Publikováno v:
Archives of Civil and Mechanical Engineering. 21
Flexural behavior of functionally graded concrete (FGC) beams was experimentally investigated. Fourteen sets of beams, including full depth (FD) fiber-reinforced concrete (FRC) and FGC with different patterns and fiber volume fractions (Vf%), were in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d33388c4793b0cd7562b6d929c7aeb4
https://doi.org/10.1007/s43452-021-00317-0
https://doi.org/10.1007/s43452-021-00317-0
Publikováno v:
Engineering Fracture Mechanics. 258:108098
This study developed a novel approach to measure the intrinsic fracture toughness of full-depth fiber reinforced concrete (FRC) and functionally graded concrete (FGC) beams. Three concrete mixes were prepared to cast FGC beams, namely normal strength
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac4ebc622f614496ed383b5ead3c85e5
https://doi.org/10.1016/j.engfracmech.2021.108098
https://doi.org/10.1016/j.engfracmech.2021.108098
Publikováno v:
Journal of Al-Azhar University Engineering Sector. 12:1417-1426
This paper presents an experimental investigation on the effect of Nano Silica (NS) on the compressive strength of concrete made with different cement contents. Two percentages of NS, 1.5% and 3%, as partial replacement of cement were investigated at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eea31de4c9175455274b8f56a6e388d4
https://doi.org/10.21608/auej.2017.19135
https://doi.org/10.21608/auej.2017.19135
Publikováno v:
Construction and Building Materials. 149:882-903
The present paper studied experimentally and numerically the behavior of RC beams strengthened with near surface mounted (NSM) GFRP bars with and without end anchorage. Both bottom and side NSM strengthening technique were investigated and compared.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae484d6367a46ea925c60e683897afed
https://doi.org/10.1016/j.conbuildmat.2017.05.192
https://doi.org/10.1016/j.conbuildmat.2017.05.192
Publikováno v:
SN Applied Sciences. 1
The present work was accomplished to investigate silica fume (SF) and nano silica (NS) effects on the compressive strength (fcu28) of concrete made by cement contents (CC) of 300, 400, 500 and 600 kg/m3. Two NS types having purity of 89% (Type I) and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e37aae8000c4c4de1111cd288a36b4a
https://doi.org/10.1007/s42452-019-0621-2
https://doi.org/10.1007/s42452-019-0621-2
Publikováno v:
Composite Structures. 147:131-142
Near surface mounted (NSM) fiber reinforced polymer (FRP) bars became more effective in strengthening reinforced concrete (RC) beams. This is because it increases the bond capacity and makes a protection against external damage. Most of previous rela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cfff305cd48459e706b578794607b1e
https://doi.org/10.1016/j.compstruct.2016.03.018
https://doi.org/10.1016/j.compstruct.2016.03.018
Publikováno v:
Materials for Sustainable Infrastructure ISBN: 9783319616322
Behavior of self-compacting concrete (SCC) produced from local waste powder materials was experimentally investigated at high temperatures. Two types of wastes powder, granulated blast furnace slag (GBFS) and ground clay bricks (GCB) were used as a p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86cd400c9a136be573e9a7a955e9c32c
https://doi.org/10.1007/978-3-319-61633-9_13
https://doi.org/10.1007/978-3-319-61633-9_13
