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Now showing items 41-47 of 47
Biological sulfate removal using waste organic substrates in continuous flow-through columns simulating mine water vertical flow bioreactors
(2020)
In mine water passive treatment systems, biological sulfate (SO42-) reduction in vertical flow bioreactors (VFBRs) is often utilized to precipitate trace metals as metal sulfides and to generate alkalinity. Sulfate removal ...
Evaluation of Low Impact Development Stormwater Control Systems for Runoff Peak Flow Reduction
(2021-12-18)
Extreme precipitation events and increasing impervious surfaces, lead to increased runoff, surcharged storm sewer systems and consequent flooding as well as water quality deterioration, costing not only lives and habitat ...
Analysis and Comparison of Cement Selection in Ultra-High-Performance Concrete
(2022)
Ultra-high-performance concrete (UHPC) is a relatively new material that is growing in popularity and usage over recent years. The greatly increased strength and durability of UHPC compared to conventional ACI concrete ...
Effect of Steel Fiber Content on Mechanical Properties of Non-proprietary Ultra-High Performance Concrete
(2020-07-30)
Ultra-high performance concrete (UHPC) is an extremely durable type of concrete that includes high volumes of cementitious material, fine aggregate, superplasticizer, and steel fibers with an overall low water to cement ...
Influence of Compaction and Quality Control on the Performance of GRS-IBS Bridge Abutments
(2020-05)
GRS-IBS is a type of bridge abutment that has become more widespread in local and county roads across the United States due to its demonstrated advantages including expedited construction at reduced costs and prevention ...
Evaluation of Causes of Transverse and Fatigue Cracking in Flexible Pavements Using Laboratory and Field Testing and PMED Simulation
(2020)
Fatigue cracking and transverse cracking are two of the most prevalent distresses in flexible pavements. In this study, probable causes of these distresses were evaluated using field and laboratory testing and simulations ...
Estimating Wave Reduction by Floating-Wetland Breakwaters Using Small-Scale Physical Models
(2020)
Wind-induced waves can cause significant erosion on lake shorelines. One solution to this problem is to absorb the waves before they reach the shoreline. Floating breakwaters have been used to reduce waves, but provide ...