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Condition of Texas Pavements: Pavement Management Information Systems Annual Report, 2009-2012

Description: Annual report describing the condition of Texas pavements based on distress ratings and ride quality measurements from the Pavement Management Information System (PMIS) during fiscal years 2009-2012. "This report describes the condition of Texas pavements in Fiscal Year 2012 and during the four-year FY 2009-2012 period, based on analysis of Pavement Management Information System (PMIS) distress ratings and ride quality measurements. The report includes the percentage of lane miles in 'Good' or … more
Date: August 29, 2012
Creator: Texas. Department of Transportation.
Partner: UNT Libraries Government Documents Department

Development of reliable pavement models

Description: "The current report proposes a framework for estimating the reliability of a given pavement structure as analyzed by the Mechanistic-Empirical Pavement Design Guide (MEPDG). The methodology proposes using a previously fit response surface, in place of the time-demanding implicit limit state functions used within the MEPDG, in combination with an analytical approach to estimating reliability using First-Order and Second-Order Reliability Methods (FORM and SORM). Additionally, in order to assess … more
Date: May 2011
Creator: Prozzi, Jorge Alberto & Aguiar-Moya, José Pablo
Partner: UNT Libraries Government Documents Department

Research on Joint Sealant Materials to Improve Installation and Performance: Final Report

Description: Report providing results of a study to determine failure modes of joint seals in Texas and identify methods of minimizing failures to improve joint seal performance. It outlines the findings of the research regarding factors that lead to failure, provides final analysis of the usefulness of joint seals with recommendations, and includes an appendix containing collected survey information.
Date: December 2017
Creator: Choi, Pangil; Senadheera, Sanjaya & Won, Moon C.
Partner: UNT Libraries Government Documents Department

Wood Pavement.

Description: Patent for a new and improved wood pavement. This design "is to furnish an improved pavement which shall be strong, durable, and cheap, not being liable to decay nor become uneven, with perfectly water-tight concrete joints laid on a perfectly solid and compact foundation of gravel, which can be easily cut through and readily reunited should it become necessary to cut through it to lay sewer or gas pipes or water-mains, or make connections with same" (lines 10-19).
Date: July 17, 1883
Creator: Bell, Bushrod W.
Partner: UNT Libraries Government Documents Department

Wood Pavement.

Description: Patent for a new and improved wood pavement. This design "consists in a pavement consisting of wooden blocks stripped of bark, cylindrical in shape, and sawed at right angles to the axis of the blocks. Said blocks of live bois d'arc or other hard timber, about six inches long, and placed on ends on a road-bed of bank sand and gravel after the same has been well and compactly rolled, and the spaces between the blocks filled with screened gravel and rammed until solid, and then coated with tar an… more
Date: July 1, 1884
Creator: Johnson, William M.
Partner: UNT Libraries Government Documents Department

Grass-Burning Device.

Description: Patent for improvements in grass burning devices in which “the grass may be safely burned on the prairies and the fire kept from spreading.” (Lines 16-18) Illustration is included.
Date: March 1, 1898
Creator: Slaughter, George M. & Christian, Fred
Partner: UNT Libraries Government Documents Department

Compendium of student papers: 2010 undergraduate transportation scholars program

Description: Report presenting the research papers written by students participating in the 2010 Undergraduate Transportation Scholars Program. The papers are titled "Estimation of Carriers/Truckers Value of Time Due to Congestion," "Evaluation of Retroreflectivity Measurement Techniques for Profiled and Rumble Stripe Pavement Markings," "Analysis of Retroreflectivity and Color Degradation in Sign Sheeting," "Evaluating the Effectiveness of LED Enhanced Stop Paddles for School Crossing Guard Use," "Incorpor… more
Date: June 2011
Creator: Hawkins, H. Gene; Almy, Isaac; Ballard, Lance; Brimley, Bradford; Huff, William; Larson, Gregory et al.
Partner: UNT Libraries Government Documents Department

The rigid pavement database: overview and data collection plan

Description: "In order to keep the rigid pavement (RP) database current and statistically representative of Texas' pavements, periodic reassessments of the database must be made in order to obtain updated sampling plans and new recommendations for future data collection. This report documents a study of the twenty-four-year database, examines the past and current demographics of the data, and identifies the need for improvement in critical areas."
Date: June 1998
Creator: Turen, Tracy; McCullough, B. Frank & Dossey, Terry
Partner: UNT Libraries Government Documents Department

The Texas rigid pavement database annual report, 1999

Description: "This report analyzes and evaluates new information collected in 1998 for the jointed concrete pavement (JCP) database, which currently comprises information on 137 test sections. This report demonstrates the relevance of maintaining the rigid pavement database (RPDB)."
Date: November 2003
Creator: Medina, Cesar; Dossey, Terry & McCullough, B. Frank
Partner: UNT Libraries Government Documents Department

Paving

Description: Patent for road paving material with cement as a base and stones or gravel used as a topping. Asphalt is poured over the gravel to extend the life of the paving.
Date: June 24, 1913
Creator: MacDonald, Ray
Partner: UNT Libraries Government Documents Department
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