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Exploring Causes of Delays in National Road and Highway Projects in Developing Construction Economy [PDF]

open access: yesJournal of Engineering, Project, and Production Management, 2022
Delay in construction projects, especially in road and highway projects, is a universal phenomenon. Afghanistan construction industry is no exception. There are factors causing delays in the Afghanistan construction industry which have negative effects ...
Sebghatullah Karimi, Poorang Piroozfar
doaj   +1 more source

Intrinsic Properties of Composite Double Layer Grid Superstructures

open access: yesInfrastructures, 2023
This paper examined the opportunities of composite double-layer grid superstructures in short-to-medium span bridge decks. It was empirically shown here that a double-layer grid deck system in composite action with a thin layer of two−way reinforced ...
Shahrokh Maalek   +2 more
doaj   +1 more source

Repurposing existing skeletal spatial structure (SkS) system designs using the Field Information Modeling (FIM) framework for generative decision-support in future construction projects

open access: yesScientific Reports, 2023
Skeletal spatial structure (SkS) systems are modular systems which have shown promise to support mass customization, and sustainability in construction.
Reza Maalek, Shahrokh Maalek
doaj   +1 more source

Development of permit-to-work management system based on POP model for petrochemical construction safety

open access: yesJournal of Intelligent Construction, 2023
The process of new construction and reconstruction projects in the petrochemical industry is complicated, and the construction accidents have a domino effect.
Shida Chen, Weiguang Jiang, Cheng Zhou
doaj   +1 more source

Printing Information Modeling (PIM) for Additive Manufacturing of Concrete Structures

open access: yesApplied Sciences, 2023
In the context of Industry 4.0, construction processes are shifting towards automation by implementing additive manufacturing (AM) of concrete structures, also referred to as concrete printing.
Patricia Peralta Abadia   +2 more
doaj   +1 more source

Mobile Structural Health Monitoring Based on Legged Robots

open access: yesInfrastructures, 2023
With the advancements in information, communication, and sensing technologies, structural health monitoring (SHM) has matured into a substantial pillar of infrastructure maintenance.
Kay Smarsly   +3 more
doaj   +1 more source

Adaptive Fault Diagnosis for Simultaneous Sensor Faults in Structural Health Monitoring Systems

open access: yesInfrastructures, 2023
Structural health monitoring (SHM) is a non-destructive testing method that supports the condition assessment and lifetime estimation of civil infrastructure.
Thamer Al-Zuriqat   +3 more
doaj   +1 more source

Experimental Research on the Cold-Forming Effect of Cold-Formed Thick-Walled Steel

open access: yesBuildings, 2023
To study the cold-forming effect on the yield strength distribution of cold-formed thick-walled steel, material tensile tests and axial compression tests were conducted on steel-lipped channels. To undertake the material tensile tests, five types of cold-
Xiaochao Fu   +3 more
doaj   +1 more source

Impact of stabilisation on mechanical properties of recycled concrete aggregate mixed with waste tyre rubber as a pavement material

open access: yesCase Studies in Construction Materials, 2023
The rising demand for the construction of pavement infrastructure creates great pressure on the production and transportation of virgin aggregates, which consumes high energy and natural resources.
Fatima Juveria   +3 more
doaj   +1 more source

Constructions of digital nets [PDF]

open access: yesActa Arithmetica, 2002
The theory of digital \((t, m, s)\)-nets provides powerful tools for the construction of low-discrepancy point sets in the \(s\)-dimensional unit cube. In this paper the duality theory for digital nets developed recently by \textit{H. Niederreiter} and \textit{G. Pirsic} [Acta Arith.
Niederreiter, Harald, Xing, Chaoping
openaire   +1 more source

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