Zobrazeno 1 - 10
of 152
pro vyhledávání: '"Mohd Ahmed"'
Autor:
Shtwai Alsubai, Abdullah Alqahtani, Sabih Hashim Muhodir, Abed Alanazi, Mohd Ahmed, Dheyaa J. Jasim, Sivaprakasam Palani
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract This paper aims to estimate the permeability of concrete by replacing the laboratory tests with robust machine learning (ML)-based models. For this purpose, the potential of twelve well-known ML techniques was investigated in estimating the
Externí odkaz:
https://doaj.org/article/5d36af95e5d04e8d8f2d12142cf1e9d1
Autor:
Fadi Althoey, Osama Zaid, Rebeca Martínez-García, Jesús de Prado-Gil, Mohd Ahmed, Ahmed.M. Yosri
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 6118-6139 (2023)
Developing ultra-high fiber-reinforced concrete (UHPFRC) demands an immense quantity of ordinary Portland cement (OPC). Using a high percentage of cement in UHPFRC leads to uneconomic concrete and significant release of CO2 into the atmosphere. There
Externí odkaz:
https://doaj.org/article/906f63a1eb5b45a7a5fccdb1cef68bdb
Autor:
Fadi Althoey, Osama Zaid, Rebeca Martínez-García, Fahad Alsharari, Mohd Ahmed, Mohamed M. Arbili
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01997- (2023)
Concrete significantly impacts the atmosphere as its primary raw material, Portland cement, determines a considerable proportion of carbon dioxide in its production process. Improving the strength and durability properties of concrete buildings could
Externí odkaz:
https://doaj.org/article/5b8e233467284be3b6d421b1809eb975
Publikováno v:
Frontiers in Ecology and Evolution, Vol 10 (2022)
Urbanization and land-use change are significant contributors to cumulative greenhouse gas emissions, causing climate change and environmental damage. Research on land-use-derived carbon storage and sequestration capability is crucial for emission re
Externí odkaz:
https://doaj.org/article/ed6f4e661bed417288b5902a8a9c5694
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2139 (2023)
The finite element technique has been accepted as a tool for modeling geotechnical complex processes. In this study, finite element (FE) modeling of various stages of the soil-nailing process, i.e., construction stages and overburden pressure stages,
Externí odkaz:
https://doaj.org/article/197c15aedbc844ebb2bc3b9cee5361c4
Publikováno v:
Applied Sciences, Vol 11, Iss 16, p 7735 (2021)
A soil nailing system is a proven effective and economic method used to stabilize earth slopes from the external (factors increasing the shear stress) and internal (factors decreasing material strength) failure causes. The laboratory models with scal
Externí odkaz:
https://doaj.org/article/c56cb9ab243e46f79d1ea4c173284fd3
Publikováno v:
Applied Sciences, Vol 11, Iss 14, p 6419 (2021)
The pullout resistance and displacement performance of reinforcement have significant effects on the safe and economic design of a reinforced-soil system. In this study, the nail pullout tests are conducted to assess the pullout behavior of soil nail
Externí odkaz:
https://doaj.org/article/3b88a1b34ece42c69efa3b2b26fbdcf8
An Experimental Study of a Nailed Soil Slope: Effects of Surcharge Loading and Nails Characteristics
Publikováno v:
Applied Sciences, Vol 11, Iss 11, p 4842 (2021)
The earth nailing system is a ground improvement technique used to stabilize earth slopes. The behavior of the earth nailing system is dependent on soil and nailing characteristics, such as the spacing between nails, the orientation, length, and meth
Externí odkaz:
https://doaj.org/article/ffc5eb4c5a5946f081a3c34e13cd884e
Publikováno v:
Applied Sciences, Vol 9, Iss 17, p 3457 (2019)
Concrete manufacturing, a high energy and natural resources demanding process, can play a vital role in sustainable development by offering solutions to environmental and socio-economic issues. Concrete manufactured with siliceous materials can exten
Externí odkaz:
https://doaj.org/article/9f293bb4b57145428ce89b095c4e2223
Impact assessment of critical success factors (CSFs) in public construction projects of Saudi Arabia
Autor:
Yazeed A. Alragabah, Mohd. Ahmed
Publikováno v:
Frontiers in Engineering and Built Environment, Vol 4, Iss 3, Pp 184-195 (2024)
Purpose – There is a limited number of research work on critical success factors (CSFs) in public construction projects in Saudi Arabia. In response to this knowledge gap, the objective of this paper is to assess the impact of CSFs on the governmen
Externí odkaz:
https://doaj.org/article/be0cbab90ba34163a1fdf063b34152a3