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Now showing items 21-30 of 53
Practical Implementation of Contract Administration Performance Model in Qatar Construction Projects
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Globally, the performance of Construction Contract Administration (CCA) is becoming of significant interest as the industry suffers from notable delays, cost overruns, and disputes as a consequence of poor contract ...
Enhancement of Naphthalene Biodegradation by Sulfate Application in Brackish Subsurface Systems
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Anaerobic biodegradation is the most dominant mechanism in the petroleum hydrocarbon
contaminated subsurface systems. Due to depletion of terminal electron acceptors such
as sulfate, anaerobic degradation of organic ...
Long-Term Cost Performance of Corrosion-Resistant Reinforcements in Structural Concrete
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Corrosion, which leads to the premature deterioration of reinforced concrete (RC)
structures, is increasingly an issue of global concern. Accordingly, corrosion-resistant
materials have emerged as alternative reinforcement ...
Cantilever Beam Metastructure for Passive Broadband Vibration Suppression
(
Qatar Univesrity Press
, 2020 , Conference Paper)
This paper presents a beam structure of a new metamaterial-inspired dynamic vibration
attenuation system. The proposed experimental research presents a designed cantilevered
zigzag structure that can have natural frequency ...
Towards Sustainable Public Open Spaces for Promoting Human Comfort, Health and Well-Being: The Case of Oxygen Park in Doha, Qatar
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Public Open Spaces (POS) are an important and necessary component of the urban city
design. Well-designed and well-functioning public open spaces provide a variety of
social, economic, environmental, physical and psychological ...
Impact of Ionic Strength on Colloid Retention in a Porous Media: A Micromodel Study
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Release of deposited colloids in the soil porous media during two-phase flow poses
potential health hazard due to the facilitated transport of contaminants towards
groundwater reservoirs. Considerable uncertainties exist ...
Utilizing Steel Slag in the Removal of Suspended Solids from Dewatered Construction Water
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Construction dewatering is an operation used to remove shallow groundwater that
infiltrates construction sites. After recovering this water from the construction sites, the
water is either discharged to the sea, injected ...
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under
severe environmental conditions after only short service life. To overcome this problem,
it is imperative to employ high-quality concretes ...
Steel Reinforced Grout for Strengthening of RC T-section Beams Deficient in Shear
(
Qatar Univesrity Press
, 2020 , Conference Paper)
numerous causes. Thus, proper strengthening and rehabilitation techniques are required
to restore the strength and extend the service life of the structures. Steel reinforced
grout (SRG) has recently been introduced as an ...
Investigation of the Effect of the Force-Frequency on the Behaviour of a New Viscous Damper for Railway Applications
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The primary purpose of this work is to experimentally investigate the damping
coefficient of a viscous damper, intended to be used in railway applications to reduce
noise emission. The viscous shock absorber used in this ...