Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Rafig Azzam"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 8, Pp 2053-2071 (2023)
Excavation and control of tunneling responses in swelling soft-rock tunnels of Sichuan-Tibet railway under seepage conditions were studied. For this, a fractional viscoplastic (FVP) model for swelling soft rocks was established by introducing Abel da
Externí odkaz:
https://doaj.org/article/bfc903beb0dd41f390ae3b449bb2e008
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 6, Pp 747-760 (2023)
Aiming at the problem of temperature-mechanics-chemical (T-M-C) action encountered by rocks in underground engineering, sandstone was selected as the sample for acid corrosion treatment at pH 1, 3, 5 and 7, the acid corrosion treated samples were the
Externí odkaz:
https://doaj.org/article/f8198aa55bdf432cab2450ff6da4ddad
Publikováno v:
Buildings, Vol 14, Iss 6, p 1569 (2024)
Environmental responses to deep excavations are combined results of numerous factors. The effects of some factors are relatively straightforward and can be considered carefully during the design. On the other hand, more features impact excavation-ind
Externí odkaz:
https://doaj.org/article/e2666de9266c486894873b9b3d797bdd
Publikováno v:
Heritage, Vol 4, Iss 1, Pp 387-400 (2021)
This paper proposes a combined methodology for the quantitative analysis of the correlations between the monitored influencing environmental factors and the water saturation induced deterioration of earthen relics in a humid area. The Archaeological
Externí odkaz:
https://doaj.org/article/bff397ccc3444d9b8d030c6ddc74c255
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 1, p 219 (2023)
An ultra-deep L-shape foundation pit in a coastal area has recently been constructed and monitored. The project overview, geological conditions, excavation sequence and monitoring scheme are introduced in detail. The deformation of the retaining stru
Externí odkaz:
https://doaj.org/article/fc643b89b27a490badeb520e07a9af04
Publikováno v:
International Soil and Water Conservation Research, Vol 6, Iss 1, Pp 51-62 (2018)
Groundwater recharge processes in an urban area are different than in non-urban areas. There are various new components that must be considered in the case of urban groundwater recharge in addition to the natural recharge from precipitation. These va
Externí odkaz:
https://doaj.org/article/c3ad0f1c3d5146fcb8fe3a407ee293f1
Publikováno v:
Applied Sciences, Vol 11, Iss 20, p 9431 (2021)
Aiming at the acid-etched freeze-thaw rock for geotechnical engineering in cold regions, chemical damage variables, freeze-thaw damage variables, and force damage variables were introduced to define the degree of degradation of rock materials, the la
Externí odkaz:
https://doaj.org/article/cbc21751a5784f86ac9f5b8603c7fb9b
Publikováno v:
Sensors, Vol 21, Iss 1, p 14 (2020)
With increased urbanization, accidents related to slope instability are frequently encountered in construction sites. The deformation and failure mechanism of a landslide is a complex dynamic process, which seriously threatens people’s lives and pr
Externí odkaz:
https://doaj.org/article/35161b80b17d45e2a05b4a9c6ff3c9d7
Publikováno v:
Applied Sciences, Vol 9, Iss 18, p 3890 (2019)
This paper presents an investigation into the coupled effects of chemical corrosion (by Nitric acid solution) and freeze-thaw cycles on the physical and mechanical properties and damage deterioration of tonalite specimens. The experiments included th
Externí odkaz:
https://doaj.org/article/41b9c0c21e5d4996918828e2a3258e1e
Autor:
Chen, Youliang, Tang, Xinlong, Xu, Lantao, Du, Xi, Wang, Suran, Fernández-Steeger, Tomás Manuel, Rafig, Azzam
Publikováno v:
In Construction and Building Materials 11 October 2024 447