Browsing QU Conference Proceedings by Publication Date
Now showing items 61-80 of 355
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Modelling the Severity of Plastic Shrinkage in Cementitious Materials
( Qatar Univesrity Press , 2020 , Conference Paper)"Plastic shrinkage cracking in cement-based materials occurs between the mixing and the final setting of the mixture, where rapid evaporation of the mixed water is the main cause behind the phenomenon. The induced cracks ... -
Lean Principles Implementation in Construction Management: A One Team Approach
( Qatar Univesrity Press , 2020 , Conference Paper)"Lean in construction is a relatively new approach in delivering construction projects. The Lean approach has been introduced to tackle the phenomenal construction projects delays and budget overruns. This paper shall ... -
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 ... -
Dosage Optimization of Polypropylene Fiber for Strength Enhancement of Cementitious Composites
( Qatar Univesrity Press , 2020 , Conference Paper)"Concrete is the most commonly used materials for construction in Qatar as well as in the world. Exposure to sever environmental conditions causes physical deterioration of concrete structures and significantly affect ... -
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 ... -
Innovation in Road Construction Industry: An Analysis of Different Case Studies
( Qatar Univesrity Press , 2020 , Conference Paper)Process improvement and innovation in the field of road construction sector offers significant community and industry benefits, by making an important contribution in economic growth and enhancing the quality of life. ... -
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 ... -
BIM Based Facility Condition Assessment
( Qatar Univesrity Press , 2020 , Conference Paper)Current practices of using traditional methods of managing data using spreadsheets or hard paper copies for various building data, are commonly being used during building inspection and condition assessment. Building ... -
Mechanical and Durability Characteristics of Roller Compacted Geopolymer Concrete Using Reclaimed Asphalt Pavement
( Qatar Univesrity Press , 2020 , Conference Paper)Every year a large quantity of reclaimed asphalt pavement (RAP) is generated in the USA. Utilization of RAP can solve the storage problem, prevent environmental pollution and reduce construction costs. This study focuses ... -
Test Procedures for Advanced Characterization of Bituminous Binders Employed for Pavement Construction in Public Works Authority Road Projects - State of Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)This paper illustrates the approach adopted by the Public Works Authority (Ashghal) of the State of Qatar for the advanced chemical and rheological characterization of bituminous binders (both neat and modified). The ... -
Project Management: Key Initiatives Case Study
( Qatar Univesrity Press , 2020 , Conference Paper)Every project faces risk of delays and disruptions, especially the mega/complex projects of today, which have, amongst others, many interfacing parties engaged. Local roads and drainage projects in general, including DN016, ... -
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 ... -
Improving Concrete Durability by Using Optimized Aggregate Gradation and Reducing Cement Content
( Qatar Univesrity Press , 2020 , Conference Paper)"This study evaluated the effects of (1) reducing the cementitious content, (2) the use of optimized aggregate gradation (OAG) technique, and (3) the use of Portland limestone cement (Type IL) in Florida Class I pavement ... -
Project Risk Based Evaluation for Infrastructure Works in Qatar: Highway Projects
( Qatar Univesrity Press , 2020 , Conference Paper)The implementation of a project for infrastructure works such as highways, bridges, flyovers, underpasses, tunnels, etc. can be complexed and unique. This has always required a proper project management system that ... -
Reflective Crack Mitigation Using AST Interlayer over Soil-Cement Base for Flexible Pavements
( Qatar Univesrity Press , 2020 , Conference Paper)Flexible pavement over soil-cement base deteriorates over time due to reflective cracking caused by the shrinkage of such base. The propagation of the reflective cracks in overlaying hot mix asphalt (HMA) could be mitigated ... -
Emerging Transit Technology: Implementing an Urban Gondola System over Al Corniche, Doha, Qatar - A Cost Estimation Study
( Qatar Univesrity Press , 2020 , Conference Paper)Urban gondolas are a type of driverless transit vehicles, which are increasingly drawing the attention as a viable mass transit alternative in urban environments and touristic areas. The system is distinctive with high ... -
In-Pavement Fiber Bragg Grating Sensor for Vehicle Counting
( Qatar Univesrity Press , 2020 , Conference Paper)Traffic volume studies are conducted to determine the number, movements, and classifications of roadway vehicles at a given location and period. Typically, there are two methods for conducting traffic volume studies: ... -
Variation Orders in Building Projects in Khartoum State-Sudan: The Causes and the Impact on Projects Performance
( Qatar Univesrity Press , 2020 , Conference Paper)"Occurrence of variation orders (VOs) is a common phenomenon in building projects and a challenging feature. Opinions and feedback of the stakeholders of building projects at Khartoum State – Sudan were investigated to ... -
Challenges for the Use of Local Materials in Unbound Road Subbase in Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)Current practice in Qatar is to blend local limestone with dune sand for use in unbound pavement applications. Dune sand is used to improve the properties of fine aggregate and compliance with the QCS 2014 requirements of ... -
Development and Performance of Cement Bound Materials in Road Pavements
( Qatar Univesrity Press , 2020 , Conference Paper)The use of cement bound materials (CBMs) for road construction in Qatar is relatively new. CBM improves the structural capacity and durability of pavement, but considerations should be made to the setting time and strength ...