Browsing Department of Civil Engineering by Issue Date
Now showing items 61-80 of 631
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Non-linear Finite Element Dynamic Analysis Of Tapered Hollow Steel Poles For Passive Base Isolation
(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 ... -
Dynamic Properties Of Compacted Soils Using Resonant Column With Self-contained Bender Elements
(Civil & Environmental Engineering, 2008-08-08)A comprehensive series of resonant column and bender elements tests were simultaneously performed in the developed RC/BE apparatus. RC/BE tests were conducted on compacted specimens of poorly graded sand (SP) and high ... -
Development Of A Freeway Incident Rating System
(Civil & Environmental Engineering, 2008-09-17)A freeway incident rating system is proposed to classify incidents in terms of their disruptive potential to cause delays, fuel wastage, secondary accidents, and other adverse operational impacts. A two-dimensional rating ... -
Building Pressure Tests Of Fiber-reinforced Foam-based Lightweight Concrete Precast Wall Panels
(Civil & Environmental Engineering, 2008-09-17)Instrumentation and procedures for building pressure tests were designed as a means of providing new wind pressure test methods for full-scale building models. Fiber-reinforced foam-based lightweight concrete precast ... -
Effects Of Calcium-based Treatment On Organic Soil Behavior
(Civil & Environmental Engineering, 2008-09-17)Organic soils are found in many places around the world. Organic soils undergo large secondary settlements depending on the amount of organic matter present in the soil Organic soil is a mixture of finely divided particles ... -
Studies On Volume Change Movements In High PI Clays For Better Design Of Low Volume Pavements
(Civil & Environmental Engineering, 2008-09-17)Numerous low- to medium-volume roads such as Farm Market (FM) roads constructed on expansive clay subgrades, especially in the eastern and central Texas, encounter severe pavement cracking and premature loss of serviceability. ... -
Life Cycle Assessment Of Bio-material Stabilized Expansive Soils
(Civil & Environmental Engineering, 2008-09-17)Pavement cracking is one of the major maintenance works that requires millions of dollars in repair costs annually. Pavement cracks are formed due to moisture and temperature fluctuations in the soil. Stabilization of ... -
Subsurface Investigations Using High Resolution Resistivity
(Civil & Environmental Engineering, 2008-09-17)Electrical resistivity imaging has been proved to be well suited to produce images of subsurface conditionsbecause of the ability of the technique for detecting resistive features and discriminating subtle resistivity ... -
Empirical two-point α-mixing model for calibrating the ECH2O EC-5 soil moisture sensor in sands
(Wiley; American Geophysical Union, 2008-11-18)**Please note that the full text is embargoed** ABSTRACT: Recently improved ECH2O soil moisture sensors have received significant attention in many field and laboratory applications. Focusing on the EC-5 sensor, a simple ... -
Operations-Oriented Performance Measures For Freeway Management Systems: Final Report
(Texas A&M University. Texas Transportation Institute (TTI)Department of Civil Engineering, The University of Texas at Arlington, 2008-12)This report describes the second and final year activities of the project titled “Using Operations-Oriented Performance Measures to Support Freeway Management Systems.” Work activities included developing a prototype system ... -
A Screening Model for Injection-Extraction Treatment Well Recirculation System Design
(Wiley; National Ground Water Association, 2008-12-03)**Please note that the full text is embargoed** ABSTRACT: Implementation of injection-extraction treatment well pairs for in situ, in-well, or on-site remediation may be facilitated by development and application of modeling ... -
Applications Of GIS For Mapping And Tracking Underground Infrastructure
(Civil & Environmental Engineering, 2009-09-16)The main objective of this research is to apply Geographic Information Systems (GIS) for construction and renewal of underground infrastructures. As a first step, a suitability analysis to determine location of existing ... -
Studies On Field Stabilization Methods To Prevent Surficial Slope Failures Of Earth Fill Dams
(Civil & Environmental Engineering, 2009-09-16)Surficial failures are occurring frequently on the slopes of earthfill dams which are predominantly rainfall induced. Desiccation cracks form on the slope surface during dry environment which accelerates infiltration during ... -
Failure Analysis Of A Mechanically Stabilized Earth (MSE) Wall Using Finite Element Program Plaxis
(Civil & Environmental Engineering, 2009-09-16)Mechanically Stabilized Earth (MSE) retaining walls have been increasingly used in many federal, state and private projects over the last 20 years. MSE walls are reliable, constructible, and cost effective. However, failure ... -
Capacity Of Two-sided Type C On Freeway With Four Lanes
(Civil & Environmental Engineering, 2009-09-16)Weaving segments are categorized based on weaving length, configuration, number of lanes, free flow speed and weaving ratio. All these parameters affect weaving capacity. One of the objectives of this research was to extend ... -
Development Of Brownfield Database Using GIS
(Civil & Environmental Engineering, 2009-09-16)Brownfields are abandoned, idled or underutilized industrial or commercial sites where expansion or redevelopment is complicated by actual or perceived environmental contamination. Brownfields may be as small as a vacant ... -
A Comprehensive Study Of Recycled Concrete Aggregates As A Drainable Base Layer For Pavements
(Civil & Environmental Engineering, 2009-09-16)The use of recycled materials in construction is becoming increasingly popular due to the shortage of raw materials. Coupled with the environmental concerns surrounding the quarrying of natural minerals, waste materials ... -
A Refined True Triaxial Apparatus For Testing Unsaturated Soils Under Suction-controlled Stress Paths
(Civil & Environmental Engineering, 2009-09-16)A novel, computer-driven, true triaxial (cubical) apparatus has been developed to test unsaturated soil specimens under suction-controlled multi-axial stress paths that are not achievable in a conventional cylindrical ... -
Comparative Damage Of Different Truck Configurations On Jointed Plain Concrete Pavement
(Civil & Environmental Engineering, 2009-09-16)This study estimated the damage done by trucks with 35 different configurations on a typical structure of a Jointed Plain Concrete Pavement. The configurations were proposed by New York Department of Transportation, the ... -
Novel Stabilization Methods For Sulfate And Non-sulfate Soils
(Civil & Environmental Engineering, 2009-09-16)Expansive soils are commonly found in arid and semi-arid climate zone. These soils typically exhibit moderate to high plasticity, low to moderate strength, and high swell and shrinkage characteristic which in turn result ...