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Alternative Methods of Flexible Base Compaction Acceptance

Description: "This report presents the results from the second year of research work investigating issues with flexible base acceptance testing within the Texas Department of Transportation (TxDOT)."
Date: February 2012
Creator: Sebesta, Stephen; Shon, Chang Seon & Scullion, Tom
Item Type: Report

Application guide and specifications for geotextiles in roadway applications

Description: Abstract: "Geotextiles, one among the different geosynthetic products, can be used for a number of functions or applications in pavement design. The benefits of using geotextiles in pavements and other transportation applications have triggered a proliferation of products. While this abundance of new products has led to reduction in costs, it has also made it difficult for TxDOT personnel to choose appropriate products based on their engineering properties. Consequently, this report provides the basis for (i) guidelines for proper use and selection of geotextiles in pavements, (ii) material specifications for geotextiles in pavement applications, and (iii) draft construction specifications."
Date: February 2012
Creator: Zornberg, Jorge G. & Thompson, Nathan
Item Type: Report

An Audit Report on the Bob Bullock Texas State History Museum

Description: Report of the Texas State Auditor's Office related to determining whether the Texas State History Museum has processes and related controls to help ensure that (1) enterprise fund revenues are properly managed, safeguarded, and accounted for and (2) expenses and other financial transactions related to the enterprise fund are properly authorized and supported; and to determining whether the Museum administers the Museum Fund in compliance with applicable state laws, rules, Museum policies and procedures, and terms of donor agreements.
Date: February 2012
Creator: Texas. Office of the State Auditor.
Item Type: Report

Birds of Palo Duro Canyon State Park : A Field Checklist

Description: This document provides geographical information about the Palo Duro Canyon State Park and a checklist that "includes only those species which have been observed either within the park boundaries or have been observed flying overhead." (p. 1).
Date: February 2012
Creator: Seyffert, Kenneth D.
Item Type: Book

The Cross Section, Volume 58, Number 2, February 2012

Description: Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.
Date: February 2012
Creator: High Plains Underground Water Conservation District No. 1 (Tex.)

The ECHO, Volume 84, Number 1, February 2012

Description: Monthly newspaper produced for inmates in the Texas criminal justice system containing news stories, policy updates, opinion pieces, creative works, and other information.
Date: February 2012
Creator: Texas. Department of Criminal Justice.
Item Type: Newspaper

Economic Impacts of Groundwater Management Standards : In the Panhandle Groundwater Conservation District of Texas

Description: "The objective of this study was to conduct an economic analysis of how the 50/50 management standard would impact irrigated producers in the region and the overall agricultural economy. Specifically this analysis was conducted on three levels: county, hydro-logic area, and representative farm. The study focused on the dynamic changes in agricultural production, saturated thickness, farm revenue, and the capacity to irrigate. A socioeconomic model was subsequently used to estimate changes in the regional economy due to changes in gross farm income that may occur under the 50/50 management standard." (p. 5).
Date: February 28, 2012
Creator: Weinheimer, Justin
Item Type: Report

Experimental results on soil-geosynthetic interaction stiffness

Description: This report summarizes small pullout test results conducted as par of Texas Department of Transportation (TxDOT) Project 5-4829 to assess the performance of a newly developed small pullout box as well as the associated K SGI model.
Date: February 2012
Creator: Zornberg, Jorge G.; Ferreira, J. A. Z. & Roodi, G. H.
Item Type: Report

Experimental Results on Soil-Geosynthetic Interaction Stiffness

Description: This report summarizes small pullout test results conducted as par of Texas Department of Transportation (TxDOT) Project 5-4829 to assess the performance of a newly developed small pullout box as well as the associated K SGI model.
Date: February 2012
Creator: Zornberg, Jorge G.; Ferreira, J. A. Z. & Roodi, G. H.
Item Type: Report

Geosynthetic-reinforced unbound base courses: quantification of the reinforcement benefits

Description: "As part of Research Project 0-4829, a new testing device was developed and a monitoring program was initiated to evaluate the performance of geosynthetics used as reinforcement for unbound base courses. This implementation involves the use of the new testing device and procedures developed by the 0-4829 research project. Specifically, the testing involves a modified pullout device for characterization of the confined stiffness in geosynthetic reinforcements. The project also provides continued monitoring of 32 experimental test sections constructed on FM2 (Bryan District) for the purposes of correlating field performance with material characterization. The experimental component of this implementation project was accomplished by testing four different geosynthetic reinforcement products in order to verify the draft specifications recommended by project 0-4829. The field component of this implementation project involved continued condition survey, moisture monitoring, falling weight deflectometer (FWD) testing, and weather data gathering in order to establish the threshold of the proposed parameter in the new specification based on field performance."
Date: February 2012
Creator: Zornberg, Jorge G.; Ferreira, J.A.Z.; Gupta, R.; Joshi, R.V. & Roodi, G. H.
Item Type: Report

Identification of priority rail projects for Texas: initial methodology/user manual and guidebook

Description: "This project developed a system of evaluative tools for the Texas Department of Transportation (TxDOT) to prioritize its investments in rail-related projects on a statewide basis. This work is meant to ensure that the limited available funding for rail projects is applied in the most beneficial and efficient manner and is focused upon addressing TxDOT's strategic goals. From the findings, researches recommend a transparent methodology for evaluating proposed rail projects and establishing an initial process through which rail-related investments can periodically be re-evaluated."
Date: February 2012
Creator: Morgan, Curtis Alan
Item Type: Report

The Impact of the 2011 Drought and Beyond

Description: This document discusses the current drought and its impacts on the state; current and future water resources in Texas; and innovative solutions governments in Texas and elsewhere are using to solve the water crisis.
Date: February 6, 2012
Creator: Texas. Comptroller's Office.
Item Type: Book

Iniciativa fronteriza de la La Comisión de Calidad Ambiental

Description: The Texas Commission on Environmental Quality (TCEQ) works with local, state, and federal stakeholders to increase cooperation and exchange knowledge, experience, and technology related to the environment. The TCEQ mission is to maximize the efforts to improve the environment of the U.S. Mexico border region.
Date: February 2012
Creator: Texas Commission on Environmental Quality
Item Type: Report