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السجلات المعروضة 41 -- 50 من 157
Unfair Payment Issues in Construction: Re-Thinking Alternative Payment Method For Tier-1 Contractors to Subcontractors
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Recent statistics reveal substantial increase in late payments cases from 18% to 27%; with over £30 billion unpaid invoices to UK contractors. Furthermore, 82% of overdue invoices are monies owed to subcontractor by tier-1 ...
' Pay-as-you-go City ': New Forms of Domesticity in a Technological Society
(
Qatar Univesrity Press
, 2021 , Conference Paper)
Ongoing urbanization, combined with market fundamentalism as the prevailing mode of political management, is leading to the spatial and social segregation of economic classes in cities. The housing market, being driven by ...
Strategies for Communicating Health and Safety Information on Construction Sites in Nigeria
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The construction industry (CI) has earned the notoriety of being a risky or profoundly
unsafe industry. Studies have credited the majority of the mishap on construction sites
to poor communication of health and safety (H&S) ...
Accelerated Corrosion Tests on Lapped Spliced Joints in Concrete
(
Qatar Univesrity Press
, 2020 , Conference Paper)
This paper presents a new test setup of experiments to investigate corrosion at lapped
spliced joints using accelerated corrosion test. The experiments were carried out on two
set of samples: cylinders and beam blocks. ...
Novel Method for Assessing Moisture Damage in Asphalt Mixtures
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Moisture damage is a major cause of early pavement deterioration and often accelerates
other distresses such as rutting, fatigue cracking, and raveling. Water infiltrates into the
pavement structure through the cracks and ...
Using Ground Penetrating Radar (GPR) to Evaluate Air Voids Content in Hot Mix Asphalt
(
Qatar Univesrity Press
, 2020 , Conference Paper)
"Air voids content is one of the most important characteristics of Hot Mix Asphalt (HMA).
Air voids content that is either too high or too low can negatively impact pavement
life and lead to deteriorations such as fatigue ...
The New Construction Approach Adapted by Ashghal for the Public Projects in Qatar
(
Qatar Univesrity Press
, 2020 , Conference Paper)
"The purpose of this paper is to review the new strategy adapted by Ashghal to implement
lean construction in Qatar to improve project performance and predictability of delivery.
This is a significant change programme ...
Hydrogen Gas Production from the Injection of Nanoscale Zero-Valent Iron and Sodium Borohydride Solutions: Potential Effects Near Injection Wells
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The injection of nano-scale zero-valent iron (nZVI) is a remediation technique for the
treatment of organic and metal contamination in soil and groundwater. The hydrogen gas
(H2) produced during the reaction of nZVI and ...
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 ...
Unique Structural Design and Construction Challenges for Al Bustan South Project in Qatar
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The Al Bustan Street South (ABS) Expressway Project features the longest dual
carriageway bridges in Qatar spanning 2.6 km each, with a minimum of four lanes
in each direction from south of Al Waab Street to south of Rayyan ...