Browsing Theme 4: Sustainability, Renovation, and Monitoring of Civil Infrastructure by Publication Date
Now showing items 1-20 of 36
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Regulatory Frameworks for the Successful Implementation of Construction and Demolition Waste Treatment Infrastructure
( Qatar Univesrity Press , 2020 , Conference)In an ever expanding world, our constant need to construct and to support a constantly growing population is resulting in significant increase in construction waste. Rapid expansion is a trend that can be seen throughout ... -
Technologies Serving Concrete for Economy, Durability and Sustainability
( Qatar Univesrity Press , 2020 , Conference)Concrete comes as the second most used material after water in the world, but it is the first used construction material especially in Middle East. World population is increasing while resources are decreasing. Therefore, ... -
The Investigation of an Efficient and Effective Proactive Pipeline Integrity System
( Qatar Univesrity Press , 2020 , Conference)In this paper, we propose the investigation of an efficient and effective proactive pipeline integrity system that uses multi-sensors for monitoring and inspection of the pipeline. Although the focus is on the pipeline, ... -
An Innovative Structural Solution to Failed Stabilized Earth Embankment in Multilevel Interchange
( Qatar Univesrity Press , 2020 , Conference)This paper summarizes a case study of a failure in a mechanically stabilized earth retaining wall ramp heading to a multilevel interchange. The failure was caused by a washout cavity resulting from a long-term leakage from ... -
Modelling Catchments in Qatar to Assist in Operations
( Qatar Univesrity Press , 2020 , Conference)Qatar is experiencing unprecedented growth and infrastructure is being developed at a rapid pace. The infrastructure is served by storm water systems which are under development and need to be resilient in case of storms. ... -
Cantilever Beam Metastructure for Passive Broadband Vibration Suppression
( Qatar Univesrity Press , 2020 , Conference)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 ... -
Vibration Prediction Model for Building Developments Adjacent to Railways
( Qatar Univesrity Press , 2020 , Conference)This paper presents the experimental and computational evaluation of ground-borne noise and vibration impacts at sensitive receivers in the vicinity of existing track sections. Vibration problems occur as an effect of ... -
Concrete Hydration Model Characterization Using Evolutionary Optimization
( Qatar Univesrity Press , 2020 , Conference)Pile thermal integrity assessment by means of temperature measurement has received increasing attention in recent years. The thermal integrity testing method measures temperature changes during the concrete curing process; ... -
Development of a Software for Design and Design Comparison of Prestressed I-Beam for Highway and Railway Bridges Based on International Standards
( Qatar Univesrity Press , 2020 , Conference)New computer software is being developed within Bridgewiz R&D Co. for the aim of rapidly comparing design solutions for a prestressed I-beam (highway or railway bridge) according to different international specifications. ... -
Eco-friendly Concrete Using Local Materials From Sudan
( Qatar Univesrity Press , 2020 , Conference)This study is aimed at investigating the potentiality for utilizing some locally available eco-friendly materials to replace some concrete constituents as a possible opportunity to introduce sustainable construction in ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference)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 ... -
Structural Efficiency of Steel Stiffening Deck Systems in Suspension Bridges Due to Gravity Loads
( Qatar Univesrity Press , 2020 , Conference)In this paper, suspended stiffened decks in suspension bridges are considered. Three steel deck-stiffening systems are compared structurally; the plate girder, the box girder and the stiffening truss. A three-span ... -
Cut Carbon, Cut Cost - Feasibility of Applying PAS 2080
( Qatar Univesrity Press , 2020 , Conference)State of Qatar is committed to delivering its Intended Nationally Determined Contributions (INDC) submitted to the United Nations Framework Convention on Climate Change (UNFCCC) secretariat. (Ministry of Environment, ... -
Numerical Study of Four Bolts End-Plate Joint Behaviour for Robustness Assessment
( Qatar Univesrity Press , 2020 , Conference)The paper presents new studies on numerical modeling (FEM) for beam-to-column behavior under sagging and hogging bending moment when the framework is exposed to service and unexpected loads that may cause a column loss ... -
Mechanical Performance and Thermo-Physical Properties of Cement Mortar Incorporating Hybrid Slags
( Qatar Univesrity Press , 2020 , Conference)Owing to the growing environmental pressure to reduce waste and pollution, the effective utilization of industrial solid wastes in construction applications has gained notable attention. This study investigates the ... -
Effects of Using Seawater and Recycled Coarse Aggregates on Plain Concrete Characteristics
( Qatar Univesrity Press , 2020 , Conference)Using seawater and/or recycled coarse aggregates (RCA) for concrete mixing is deemed advantageous from a sustainability perspective. This paper reports on the results of an experimental study on fresh and hardened properties ... -
Steel Reinforced Grout for Strengthening of RC T-section Beams Deficient in Shear
( Qatar Univesrity Press , 2020 , Conference)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 ... -
Climate Change and the Structural Resilience of the Doha Metro
( Qatar Univesrity Press , 2020 , Conference)In recent years, the Doha Metro has been the spearhead of Qatar's effort to expand and upgrade its transportation infrastructure. In its current phase it will comprise three lines of an approximate overall length of 76 ... -
Accelerated Corrosion Tests on Lapped Spliced Joints in Concrete
( Qatar Univesrity Press , 2020 , Conference)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. ... -
Dune Sand Mortar Effects on Deflections of Repaired Steel Bars-Reinforced Concrete Beams
( Qatar Univesrity Press , 2020 , Conference)This paper presents theoretical and experimental investigations to analyze the flexural behavior of reinforced concrete beams repaired with mortars based on dune sands. The beams supposedly damaged were repaired using ...