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Performance based evaluation of the seismic resistance of structures with concrete diaphragms
(Texas A&M University, 2001)
Under seismic loading, floor and roof systems in reinforced concrete (RC) buildings act as diaphragms to transfer earthquake loads to the vertical lateral force resisting system (LFRS). In current practice, horizontal ...
Use of neural networks to correlate enzymatic hydrolysis with biomass properties
(Texas A&M University, 2001)
A neural network was used to correlate enzymatic digestibility with the following biomass properties: lignin content, acetyl content, and crystallinity index (CrI). The neural network model was not able to improve a ...
Identification of research and development needs in highway construction engineering and management
(Texas A&M University, 2001)
Ten years have passed since the last assessment of research and development needs in highway construction engineering and management (CEM) and a new research program is necessary to indicate the direction and focus of ...
Evaluation of mechanical properties of high strength concrete for prestressed concrete bridge design
(Texas A&M University, 2001)
High strength concrete (HSC) are widely used in prestressed concrete bridges in Texas. However, current design provisions for prestressed concrete bridge structures such as the AASHTO LRFD Specifications (2000) were ...
Virtual representation and analysis of structural systems, presented with a case study
(Texas A&M University, 2001)
The main goal of this thesis is to establish and define the necessary procedures for a proposed method of analytical simulation for complex structural systems. In order to illustrate the required steps of the simulation ...
Global P-Delta effects in seismic demand evaluation of vibration controlled steel frames
(Texas A&M University, 2001)
The goal of the research was to investigate the effect of global P-Delta on the seismic response of structures. A SAC II three story structure and a reduced order portal frame were the focus of study. The motivation to ...
Surface performance grading and grade selection process for surface treatment binders
(Texas A&M University, 2001)
Surface treatments have been used by many government agencies as part of their maintenance and rehabilitation programs to improve surface quality and extend the service life of pavements. Traditional specifications for ...
The effects of vegetation parameter aggregation on modeled evapotranspiration
(Texas A&M University, 2001)
The effect of the scale of vegetation parameter aggregation on modeled evapotranspiration pattern and rate is explored. Vegetation biomass, height and fractional coverage per model grid cell were the vegetation parameters ...
Identification and characterization of agent for reductive dechlorination in mixtures of ferrous iron and Portland cement
(Texas A&M University, 2001)
Degradative Solidification/Stabilization (DS/S) is a modification of conventional S/S in which organic pollutants are destroyed while inorganic pollutants are immobilized. Fe(II) is used in Fe(II)-based DS/S as a reductant ...
Tool developing of MRR strategy selection
(Texas A&M University, 2001)
Better decision-making processes, guidelines, and tools to select MRR (maintenance, rehabilitation, and reconstruction) strategies are very necessary for SHAs (state highway agencies) to evaluate the effectiveness of their ...