Browsing PhD Dissertations - DO NOT EDIT by Author "Abolmaali, Ali"
Now showing items 1-20 of 20
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ALGORITHM DEVELOPMENT FOR SEWER PIPE SYSTEM CONDITION ASSESSMENT USING MULTI-SENSOR (MSI) TECHNOLOGY
Al Asadi, Mohammed (2018-08-14)This study investigates the performance of all the current large-diameter pipeline system of The City of Arlington (COA) sewer lines of 48 miles (24-inch inner diameter and above for rigid and flexible pipes). Proper ... -
ARTIFICIAL INTELLIGENCE-BASED EVALUATION OF PIPELINE STRUCTURES USING MULTI-SENSOR ROBOTS
Rababeh, Mohammad Shaher MOH'D; 0000-0002-5102-3929 (2023-08-15)**Please note that the full text is embargoed until 8/1/2025** ABSTRACT: ARTIFICIAL INTELLIGENCE-BASED EVALUATION OF PIPELINE STRUCTURES USING MULTI-SENSOR ROBOTS Mohammad Shaher Rababeh, Ph.D. The University of Texas ... -
Development Of Finite Element Method-based Model Equations For Hollow Tapered Poles
Jung, Jiwon (Civil & Environmental Engineering, 2007-08-23)This study presents the development of three-parameter load-deflection models for steel and FRP poles commonly used to support closed circuit television cameras. An experimental investigation is carried out to obtain static ... -
DEVELOPMENT OF PROTOCOL FOR 100-YEAR SERVICE LIFE OF SYNTHETIC FIBER-REINFORCED CONCRETE PIPES
Mahdavi, Maziar; 0000-0002-7697-6216 (2019-08-12)Among different components of US highways and roads, concrete pipes are one of the most important parts of these infrastructures. Currently, most of the concrete pipes that are produced in the United States are made from ... -
Experimental And Finite Element Based Investigations Of Shear Behavior In Reinforced Concrete Box Culverts
Garg, Anil Kumar (Civil & Environmental Engineering, 2007-10-08)This study evaluates the shear behavior and capacity of the precast concrete box culverts subjected to HS 20 truck wheel load. The most critical culvert behavior was considered by studying culverts subjected to zero depth ... -
Experimental and Numerical Investigation of the Concrete Shear Strength of Reinforced Concrete Box Culverts under Uniformly Distributed Load
Ghahremannejad, Masoud (2018-07-18)This research resulted in the development of a new method for performing displacement control analysis of distributed loads to obtain the ultimate shear strength of structural components. A framework, consisting of several ... -
FINITE ELEMENT APPROACH ON MINIMIZATION OF CRACKS AT I-GIRDER ENDS INDUCED BY PRESTRESS
Rauniyar, Sangit; 0000-0002-0333-6488 (2022-11-28)Prestressed I-girders are one of the very commonly and widely used girders for bridges. It is produced at precast plant and transported to bridge site. To produce a prestressed I-girder, strands are first pulled and ... -
Long-term Performance Of GFRP Reinforced Concrete Beams And Bars Subjected To Aggressive Environments
Park, Yeonho (Civil & Environmental Engineering, 2012-07-25)The use of fiber-reinforced polymer (FRP) bars in reinforced concrete (RC) structures has emerged as an alternative to traditional steel reinforcement environments and other applications where steel has shown greater ... -
LONG-TERM SHEAR INVESTIGATION OF POLYPROPYLENE FIBER-REINFORCED CONCRETE BEAMS
Daniels, Michael; 0000-0002-3448-6358 (2017-03-02)This study investigates the long-term influence of polypropylene fibers on the shear strength and failure behavior of longitudinally reinforced concrete beams, with or without stirrups, subjected to accelerated aging ... -
Non-linear Finite Element Dynamic Analysis Of Tapered Hollow Steel Poles For Passive Base Isolation
Le, Tri (Civil & Environmental Engineering, 2008-08-08)Long tapered poles are commonly used to support Closed Circuit Television (CCTV) Cameras for security and traffic monitoring. Images received from CCTV are normally distorted depending on the wind induced vibration ... -
Non-linear Finite Element Dynamic Analysis Of The Effect Of Compaction On Underground Conduits
Kararam, Anupong (Civil & Environmental Engineering, 2010-03-03)Construction loads are an important but often overlooked factor in underground pipe design and installation. Common compaction equipments used in pipeline construction can be a major contributor to pipe damage. To reduce ... -
Non-linear Finite Element-based Material Constitutive Law For Zero Slump Steel Fiber Reinforced Concrete Pipe Structures
Mikhaylova, Alena (Civil & Environmental Engineering, 2014-03-12)This study presents a comprehensive investigation of performance and behavior of steel-fiber reinforced concrete pipes (SFRCP). The main goal of this study is to develop the material constitutive model for steel fiber ... -
NUMERICAL AND EXPERIMENTAL INVESTIGATION OF BURIED LARGE-DIAMETER STEEL PIPES WITH CONTROLLED LOW-STRENGTH MATERIAL
Takou, Margarita (2016-08-12)The main goal of this research was to gain an in-depth understanding of the behavior of buried large-diameter pipes with controlled low-strength material (CLSM). Design equations were developed based on extensive parametric ... -
On The Concept Of Earthquake Resistant Hybrid Steel Frames
Razavi, Seyed Mohammad (Civil & Environmental Engineering, 2013-07-22)The concept of hybrid steel frame system is presented in which mixtures of fully-rigid and semi-rigid steel connections are used in the 3-, 9- and 20-story SAC frames. Several different patterns and locations of semi-rigid ... -
ON THE CONCEPT OF SYNTHETIC FIBER REINFORCED THIN-WALLED CONCRETE PIPES
Emami Saleh, Arash; 0000-0002-1947-5116 (2019-08-12)This research investigates the structural and industrial possibility to create a new type of concrete pipes called synthetic fiber reinforced thin-walled concrete pipes, which would be lighter, cheaper, and more durable ... -
On The Effects Of The Circular Bolt Pattern On The Behavior Of The Extended End-plate Connection
Kiamanesh, Roozbeh (Civil & Environmental Engineering, 2011-10-11)This study is pioneer in introducing the circular bolt pattern configuration in extended end-plate steel connections. Discovering the static and cyclic behavior of such connections is at the forefront of this research ... -
PERFORMANCE OF CRACKED REINFORCED CONCRETE PIPES SUBJECTED TO DIFFERENT ENVIRONMENTAL CONDITIONS
Al-lami, Bassam Hatem Karim (2020-09-01)Performance of reinforced concrete pipes, as a major part of the water and waste-water infrastructure, plays an important role in the resilience and sustainability of today’s modern cities. Cracks may appear in these pipes ... -
SHEAR BEHAVIOR OF SYNTHETIC FIBER REINFORCED CONCRETE BOX CULVERTS
Mostafazadeh, Mahnaz (2019-07-19)This research pursues a comprehensive experimental study on the shear capacity of zero-slump, dry-cast Synthetic Fiber-Reinforced Concrete (SYN-FRC) with the aim of reducing or even eliminating stirrups in box culverts. ... -
Staged Construction Modeling Of Large Diameter Steel Pipes Using 3-D Nonlinear Finite Element Analysis
Salehi Dezfooli, MojtabaThis study investigates the performance of large diameter steel pipes during stage construction. Using this study, metal pipes are designed utilizing existing native soil for embedment around the pipe rather than imported ... -
STATISTICAL MODELS OF PIPE SERVICE LIFE TOWARDS ARTIFICIAL INTELLIGENCE BASED DECISION SUPPORT
Eghbalifarkoosh, Vahid (2020-08-18)In this dissertation, through utilizing various artificial intelligence-based as well as statistical models, an effort has been made to investigate the deterioration of sewer pipes. Once the deterioration rates of sewer ...