International Conference on Civil Infrastructure and Construction (CIC 2020): Recent submissions
Now showing items 101-120 of 127
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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, ... -
Utility Impact Assessment of Road Projects in the State of Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)Qatar has been blessed with large reserves of natural gas and since the past 20 years its leaders have been busy formulating its path to modernization. Henceforth, the sovereign state has been and is still going through ... -
Challenges Facing Building Information Modelling in Construction Industry in Sudan
( Qatar Univesrity Press , 2020 , Conference Paper)Building Information Modelling (BIM) is a valuable and promising approach in Architecture, Engineering and Construction (AEC) industry, which is gradually gaining acceptance by owners, architects, engineers, and contractors ... -
Framework for Investigating the Level of Compliance to the OHS Regulatory by the Small and Medium Construction Companies in Oman
( Qatar Univesrity Press , 2020 , Conference Paper)The construction industry is characterized with a high rate of work-related accidents. Some of the accidents result in severe injuries and sometimes death. One of the reasons for such happenings is due to the noncompliance ... -
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 ... -
Preventive Approach to Unsubstantiated Claims and Disputes in the UK Construction Industry
( Qatar Univesrity Press , 2020 , Conference Paper)Globally, claims and disputes are an unfortunate reality in construction projects. Recent statistics reveal that construction claims in the UK increased by 21% in 2018 compared to other countries such as India (8%), Mexico ... -
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 ... -
Impact of Draw Solution Concentration on Forward Osmosis Process: A Simulation Study
( Qatar Univesrity Press , 2020 , Conference Paper)In this study, a simulation model was used to evaluate the performance of forward osmosis process. A solution of low salinity was used as the feed solution in forward osmosis to dilute saline solution (i.e. draw solution) ... -
Predicted and Back-calculated Coefficients of Permeability of Randomly Fractured Rock Mass: A Case Study
( Qatar Univesrity Press , 2020 , Conference Paper)This paper presents the discrepancy between the coefficients of permeability measured for randomly fractured limestone using field falling-head tests and that back-calculated for the same rock mass based on the actual ... -
Geotechnical Aspects of Sub-Sea Tunnelling on the Musaimeer Pumping Station and Outfall Tunnel Project
( Qatar Univesrity Press , 2020 , Conference Paper)Musaimeer outfall tunnel is one of the longest storm water tunnels in the world with a total length of 10.2 km. The tunnel is connected via a drop shaft to the main pump station. This system will accommodate surface and ... -
Influence of Aspect Ratio on the Bearing Capacity and Correlated Modulus of Subgrade Reaction for Shallow Foundations on Dense Sand
( Qatar Univesrity Press , 2020 , Conference Paper)One of the most fundamental problems in the field of geotechnical engineering is the prediction of bearing capacity and settlement of shallow foundations on cohesion-less soil subjected to vertical central loading. The ... -
Fully Softened and Residual Shear Strengths of Midra Shale
( Qatar Univesrity Press , 2020 , Conference Paper)This paper presents a comparison of the fully softened shear strengths measured using the triaxial and torsional ring shear devices for a shale that possesses noticeably high plasticity and induration. The residual shear ... -
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 ... -
Treatment of Wastewater Using Reverse Osmosis for Irrigation Purposes
( Qatar Univesrity Press , 2020 , Conference Paper)This work investigates the performance of reverse osmosis (RO) for the reclamation of treated sewage effluent (TSE) to be used as irrigation water for food crops. The feed water used in this study was a real sample of ... -
Box Jacking/Pushing Method for Tunnel Construction in Rock: Doha Metro, Gold Line Project
( Qatar Univesrity Press , 2020 , Conference Paper)The case of a box pushing tunneling method in rock, on Doha Metro Gold Line project, successfully implemented to connect multiple entrance structures of Sport City station under a live traffic junction, in a heavy urban ... -
Embedded Retaining Wall Design and Performance Monitoring for Deep Excavation in Geological Conditions of Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)Embedded retaining walls such as diaphragm walls and secant bored pile walls have become viable water-tight earth retaining and stabilizing systems for deep excavation in urban areas. In this article, the design aspects ... -
The Use of Measuring While Drilling and Wireline Logging to Identify the Geological Strata in Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)In the field of engineering and construction in the Middle East, it is a common practice to economize a geotechnical investigation using a conventional scope, based on the lowest price. This tends to compromise the project ... -
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 ... -
Use of 3D Images to Evaluate Formation Damage Induced by Montmorillonite Fines in Porous Media Systems
( Qatar Univesrity Press , 2020 , Conference Paper)Formation damage costs oil and gas industry $140 billion/year in lost productivity, this is a key challenge to Qatar, the world's largest LNG exporter. During production from a well, multiphase flow foster drag forces to ... -
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 ...