Browsing Library by Author "Abolmaali, Ali"
Now showing items 21-40 of 44
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INVESTIGATION OF THE PLASMA ELECTROLYTIC OXIDATION MECHANISM OF TITANIUM
Mortazavi, GolsaPlasma electrolytic oxidation (PEO) is an environmentally friendly technology capable of forming coatings with excellent adhesion strength at high deposition rates. The PEO process is particularly attractive for forming ... -
Large Diameter Steel Pipe Field Test Using Controlled Low Strength Material And Staged Construction Modeling Using 3-D Nonlinear Finite Element Analysis
Bellaver, Franciele (Civil & Environmental Engineering, 2014-03-12)Using finite element methods and field tests, an extensive study on selected steel pipes is devised for the Integrated Pipeline Project in Dallas-Fort Worth, Texas. The project integrates Tarrant Regional Water District ... -
Long-term Effects Of Synthetic Fibers On Concrete Pipes
Farrokhi Gozarchi, Sasan (Civil & Environmental Engineering, 2014-07-14)The studies undertaken by this research were to evaluate the long-term performance and durability of synthetic fiber-reinforced concrete pipes. The target long-term performance is for 9000 hours. Two sets of pipes 8 ft. ... -
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 ... -
Nonlinear Dynamic Analysis Of Hybrid Frames
Radulova, Dobrinka (Civil & Environmental Engineering, 2010-03-03)This study proposes a hybrid frame system consisting of rigid and semi-rigid connections subjected to a dynamic loading. Two building geometries are chosen to represent low-rise and high-rise buildings. Multiple locations ... -
Nonlinear Finite Element Model Analysis Of Human Accommodation Lens
Le, Tri (Civil & Environmental Engineering, 2007-08-23)The crystalline human lens is modeled by using the finite element software, ABAQUS/CAE Version 6.5-1 as an axisymmetric shell to study the optical power and displacement of anterior and posterior poles induced due to zonule ... -
Nonlinear Finite Element-based Investigation Of The Effect Of Bedding Thickness On Underground Pipe
Kararam, Anupong (Civil & Environmental Engineering, 2007-08-23)The pipe-soil interaction is studied by using the finite element software, ABAQUS/CAE Version 6.5-1 as a symmetric model of embankment installation to study the effect of bedding property and thickness on pipe-soil interaction ... -
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 Evaluation And Finite Element Analysis Of Fiber Reinforced Precast Concrete Underground Structures
Wilson, Ashley (Civil & Environmental Engineering, 2013-03-20)This study aimed at evaluating the performance of BASF Synthetic and Steel fibers as alternative reinforcements in concrete pipes. A total of 93 synthetic fiber and 60 steel fiber reinforced pipes were produced and tested ... -
Performance Evaluation Of Bamboo Reinforced Concrete Beams
Khare, Leena (Civil & Environmental Engineering, 2007-08-23)This study presents the evaluation of the feasibility of the use of bamboo as a potential reinforcement in concrete structural members. To achieve this objective a series of tensile tests on three types of bamboo Solid; ... -
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. ... -
Shear Investigation of Polypropylene Fiber-Reinforced Concrete Beams
Navadeh, Ehsan; 0000-0002-0363-8144 (2017-02-14)This study investigates the effect of macro-synthetic polypropylene fibers on the shear strength and failure behavior of longitudinally reinforced concrete beams with and/ or without transverse reinforcement. Eight large-scale ...