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 20 of 41 for “"FRC"”.
-
Micromechanics-based design of FRC materials : from microstructural features to structural behavior
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1996.
-
Evaluation of the Flexural Response of Steel Reinforced UHP-FRC Beams Using Distributed Sensing
… fibre-reinforced concrete (UHP-FRC) and steel reinforcement significantly affects the displacement ductility of UHP-FRC beams in flexure, leading to a brittle failure mechanism due to crack localization. Previous studies faced limitations in fully exploring this interaction due …
-
Early Age Stresses and Creep-Shrinkage Interaction of Restrained Concrete
… creep for plain and fiber reinforced concrete (FRC). Microcracking forms a significant portion of drying creep of plain concrete, but it is less significant in FRC. Therefore, creep of FRC is dominated by real mechanisms, whereas apparent mechanisms induced by microcracking is significant in …
-
Performance and Design of Extruded Fiber-Reinforced Mortar with Preferentially Aligned Fibers
… properties of fiber-reinforced concrete (FRC), focusing on fracture and flexural toughness properties, the impact of fiber orientation and distribution, and the evaluation of flexural models for predicting the behavior of functionally graded FRC. It embarks on a critical investigation …
-
Increasing residual structural capacity of cracked concrete railroad crossties with polypropylene fibers
… performance of fiber reinforced concrete (FRC) crossties is changed by the inclusion of polypropylene fibers. Fracture toughness, cracking resistance, and energy absorption capacity of the concrete are improved by incorporating fibers. Furthermore, restriction of crack size extends the …
-
Impact resistance of high strength fiber reinforced concrete
… on structures. Fiber reinforced concrete (FRC) is known to exhibit superior performance in its post-peak energy absorption capacity, (i.e., toughness) under flexural and tensile loading. However, the behavior of fiber reinforced concrete under compressive impact has not previously been …
-
Forecasting Chlorine Residual for Water Safety Using Artificial Neural Networks Ensembles in Humanitarian Water Systems
… the point-of-consumption free residual chlorine (FRC) concentration using water quality data from six refugee and IDP settlements. These models were then used to generate point-of-distribution FRC targets based on the risk of insufficient FRC at the point-of consumption. Overall, the ensemble ANN …
-
Extending the performance of net shape molded fiber reinforced polymer composite valves for use in internal combustion engines
Fiber Reinforced Composite (FRC) materials offer the possibility of reduced mass and increased structural performance over conventional metals. When used in reciprocating components of internal combustion engines, this may enable increased power and mechanical efficiency. Previously published work …
-
Polypropylene fiber reinforced concrete in railway crossties
… polypropylene fiber reinforced concrete (FRC). A standard test method for obtaining average residual strength of FRC was used to evaluate the performance of various concrete mixtures reinforced with synthetic polypropylene macro fibers. It was found out that the concrete with higher fiber …
-
Protecting Our Investment: Solving Fast Response Cutter Corrosion
The USCG Fast Response Cutter (FRC) fleet is experiencing corrosion at an alarming rate in the propulsion shaft tunnels. An investigation into this problem was conducted from the perspectives of “root cause” and “prevention.” Root causes for the corrosion stem from an interaction in a complex, …
-
Behaviour of ultra high performance fibre reinforced concrete subjected to static and impact loads
… performance fibre reinforced concrete (UHP-FRC) has recently emerged as an advanced cementitious material with the potential of enhancing the impact energy absorption capacity of structural elements due to its superior properties. However, major limitations for its wider use and application …
-
Distributed Sensors, Data Analysis, and Non-Intrusive Load Monitoring: Foundations for Reliability-Centered Maintenance on Ships
… aboard a U.S. Coast Guard Fast-Response Cutter (FRC) patrol boat, novel analysis methods of the corrosion protection systems on the FRC, and practical ways of making smart data approachable. Once implemented, these methods will reduce the effort needed to safely operate a modern, high-tech ship …
-
Shear performance and behavior of long carbon fiber reinforced concrete
… concrete, and fiber reinforced concrete (FRC) with other fiber types.</p><p>The experimental program consisted of 30 large-scale beams tested for shear performance under monotonic loading. In addition to the large-scale beams, small-scale specimens were constructed of the same materials to …
-
Modelling of ECC and SMA-Reinforced Concrete Members
… built-in models for fibre-reinforced concrete (FRC), a concrete classification that includes ECC, was examined at a small scale. Lessons learned were applied in large scale modelling of hybrid SMA-steel slender shear walls in original condition and repaired with ECC. Results of small- and …
-
Properties and performance of high strength fibre reinforced concrete by using steel and polypropylene fibres
… properties of fibre reinforced concrete (FRC) are investigated by using steel fibre (SF) type hooked end and polypropylene fibre (PPF) type virgin fibrillated. The objectives of the study are to assess the effect of hybrid fibres on its engineering properties, shrinkage properties under …
-
The behaviour of steel fibre reinforced concrete material and its effect on impact resistance of slabs
… concrete. Fibre Reinforced Concrete (FRC) material is a developed concrete that has been proposed to improve the tensile behaviour of the concrete using fibres in the concrete mix. Steel Fibre Reinforced Concrete (SFRC) is popular FRC material that is being studied to improve the …
-
Calorimetric measurements of a Yang-Koldamasov device
… confirmation of the effect at MIT and FRC. To perform calorimetry on this device, there are several issues involved, such as thermocouple offset errors, RF noise, and erroneous readings due to fluid flow conditions. Methods for handling these issues are discussed in application to two …
-
Evaluations of concrete overlays for bridge deck applications
… and polypropylene fiber-reinforced concrete (FRC). The laboratory mixtures were developed using local aggregates, Type-I cement and commercial admixtures and fibers. Mixtures were evaluated by several tests in both fresh and hardened states, including compressive, tensile, and flexural …
-
Development of a Finite Element Model for Predicting the Impact Energy Absorbing Performance of a Composite Structure
… ratio, Fiber Reinforced Composite (FRC) materials are well suited for use in high performance racing applications where weight must be kept to a minimum. Formula SAE (FSAE) race cars are designed and built by college students, roughly following the model of a scaled down Formula One …
-
Behavioral avoidance by fish of residual chlorine in power plant discharges
… index of avoidance behavior. TRC, CRC, and FRC avoidance thresholds varied between species and acclimation temperatures. HOCl avoidance thresholds were consistent between acclimation temperatures, suggesting that HOCl is the primary constituent of the TRC controlling avoidance behavior. …
Page 1 of 3