Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 6 of 6 for “"Texas Department of Transportation"”.
-
Is LED use in traffic signals viable in the Texas Department of Transportation, Houston District?
… traffic signals and highway illumination in the Texas Department of Transportation, Houston District (TxDOT). The thesis focuses on the cost of maintenance of the LED for signals on the highway system in the Houston District. This LED cost includes human and capital resources which are compared …
-
Characterization of waste recycled glass as a highway material
The success of glass recycling programs has resulted in an oversupply of waste recycled glass or glass cullet. The properties and strength of glass cullet aggregate mixes are influenced by maximum size of cullet, cullet content in the mix, type of conventional aggregate, and also the debris level …
-
Using lithium compounds as an admixture in new concrete and as a post-treatment for existing concrete affected by alkali-silica reaction
… Administration Project DTFH61-02-R-00097 and the Texas Department of Transportation Project 0-4085, concentrates on two individual aspects of the use of lithium compounds to mitigate or prevent deterioration due to alkali-silica reaction (ASR). The first objective of the project is the assessment …
-
Development of a decision-support tool for TxDOT delivery methods selection
Alternative delivery methods for transportation infrastructure projects, besides the traditional Design-Bid-Build (DBB) approach, have been implemented by private and public sectors since the last decades. The Texas Department of Transportation (TxDOT) is not the exception, and the fact that TxDOT …
-
Evaluation of redundancy in trapezoidal box-girder bridges using finite element analysis
… failure is expected to result in the collapse of a bridge. The tension flanges of twin box-girder bridges are thus labeled as fracture-critical. In order to avoid the catastrophic collapse suggested by the AASHTO specifications, fracture-critical bridges, constituting 11% of all steel bridges …
-
An Investigation of the Optimal Sample Size, Relationship between Existing Tests and Performance, and New Recommended Specifications for Flexible Base Courses in Texas
The purpose of this study was to improve flexible base course performance within the state of Texas while reducing TxDOT’s testing burden. The focus of this study was to revise the current specification with the intent of providing a “performance related” specification while optimizing sample sizes …