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Browsing Research Articles (Civil Engineering) by Type "Postprint Article"
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Mourlas, Christos; Markou, George; Papadrakakis, Manolis
(Elsevier, 2019-01)
Accurate nonlinear dynamic analysis of reinforced concrete structures is necessary for estimating the behavior of concrete structures during an earthquake. A realistic modeling approach to assess their strength and their ...
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AlHamaydeh, Mohammad; Markou, George; Bakas, Nikos; Papadrakakis, Manolis
(Elsevier, 2022-08)
The presented work utilizes Artificial Intelligence (AI) algorithms, to model and interpret the behavior of the fiber reinforced polymer (FRP)-reinforced concrete deep beams without stirrups. This is done by first running ...
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Osman, Ashraf S.; Jacobsz, Schalk Willem
(Elsevier, 2019-09)
The trapdoor problem is a useful model to understand the stress distribution around geo-structures. This paper focuses on evaluating the conditions of maximum arching (minimum loads on trapdoors) developing during the ...
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Venter, C.J. (Christoffel Jacobus)
(Elsevier, 2016-11)
Bus rapid transit (BRT) systems are often implemented as a means toward achieving regulatory reform in the transport sector. This often involves simultaneous formalisation of informal paratransit operators, and restructuring ...
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Komba, Julius Joseph; Mataka, Mussa; Malisa, John T.; Walubita, Lubinda F.; Maina, J.W. (James)
(ASTM International, 2019-01)
Traffic loading is one of key inputs for new and rehabilitation designs of pavement. Heavy vehicles cause the most structural damage to pavements; hence, as part of the pavement design process, heavy vehicle volume, and ...
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Van Dyk, C.; Jacobsz, Schalk Willem
(Springer, 2016-10)
Sinkholes can occur on land underlain by dolomite and cause substantial damage to buildings and even loss of
life. More than four million people work or reside on dolomite land in South Africa and it is therefore important
to ...
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Kearsley, Elsabe P.; Smit, Martha Sophia
(Taylor and Francis, 2023)
Concrete pavements are typically considered to be rigid pavements and are designed using principles based on the beam-on-elastic support equations as derived by Westergaard in 1926. Ultra-Thin Continuously Reinforced ...
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Anochie-boateng. J.K.; Malisa, John T.
(American Society for Testing and Materials, 2023-09)
Tanzania was faced with high incidences of premature rutting failures on their asphalt pavements. Some pavements experienced failures within one to two years after construction/rehabilitation. The objective of this ...
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Gaspar, Tiago Alexandre Valentim; Jacobsz, Schalk Willem; Smit, G.; Osman, A.S.
(Canadian Science Publishing, 2024-01)
A study aimed towards assessing the variation in shaft capacity of piled foundations in swelling clays is presented. At the clay's in-situ water content, the results of pull-out tests on short-length piles revealed no ...
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Kovtun, Maxim; Kearsley, Elsabe P.; Shekhovtsova, Julia
(Elsevier, 2015-06)
This paper presents results of a study on chemical acceleration of a neutral granulated blast-furnace slag activated
using sodium carbonate. As strength development of alkali-activated slag cements containing neutral GBFS ...
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Cloete, R.; Roth, C.P. (Chris)
(Elsevier, 2021-09)
Very little guidance exists on the design of steel column base connections subjected to axial compression and biaxial bending. A new mechanical model is proposed here for designing such base connections. The model constructs ...
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Walubita, Lubinda F.; Nyamuhokya, Tito P.; Komba, Julius Joseph; Tanvir, Hossain Ahmed; Souliman, Mena I.; Naik, Bhaven
(Elsevier, 2018-12)
With the increasing use of geogrid reinforcements to mitigate reflective cracking in hot-mix asphalt (HMA) overlays, interlayer (interface) bonding has become an even more critical aspect of HMA placement/construction to ...
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Jayasinghe, Amila; Orr, John; Ibell, Tim; Boshoff, W.P. (Billy)
(Elsevier, 2021-11)
Multi-objective optimisation of concrete floors for economic and environmental performance is critical in the present context since the building construction sector is responsible for a rising share of the global economy ...
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Visser, Alex T.; Duhovny, George S.; Sachkova, Alice V.
(Taylor and Francis, 2017)
The development of the use of crumb rubber from used tyres in asphalt started in
the USSR during the 1960s independently and in parallel with the research in the USA and
Western World during the 1970s. The result is that ...
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Combrinck, R.; Kayondo, M.; Meyer, D.M.; Boshoff, W.P. (Billy)
(Springer, 2022-08)
Bleed water measurement is a critical part for the determination and prediction of the incidence of plastic shrinkage cracking in concrete. This research discusses the different bleeding measurement methods that are largely ...
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Markou, George; Mourlas, Christos; Papadrakakis, Monolis
(World Scientific Publishing, 2019-02)
A computationally efficient and robust simulation method is presented in this work, for the cyclic modeling of reinforced concrete (RC) structures. The proposed hybrid modeling (HYMOD) approach alleviates numerical limitations ...
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Markou, George; AlHamaydeh, Mohammad
(Elsevier, 2024-02)
This study presents a novel computationally efficient high-fidelity nonlinear FEA (NLFEA) methodology for prestressed RC bridges constructed in the UAE and seismically isolated with elastomeric bearings. Specifically, the ...
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Van Schalkwyk, Marco Heinrich; Grabe, Petrus Johannes
(IOP Publishing, 2022-09)
This present paper focuses on the condition monitoring of train wheels utilizing an 3D printed rail pad that is embedded with widely available accelerometers and a strain gauge. This smart rail pad was used on a heavy haul ...
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Ziolkowski, Mateusz; Kovtun, Maxim
(Elsevier, 2018-07)
A novel accelerated curing technique – confined-DEC (Direct Electric Curing) – was compared with oven curing. Microstructural investigations revealed that under free drainage conditions non-uniform curing conditions were ...
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Ziolkowski, Mateusz; Kovtun, Maxim
(Elsevier, 2017-11)
The utilisation of fly ash is a global concern. Under conditions of mass production and rapid turnover in automated plants, a reduction in the curing duration of alkali-activated fly ash based mixtures is sought-after. An ...