Search Results - "Graybeal, Benjamin"

Flexural Behavior and Design of Ultrahigh-Performance Concrete Beams by El-Helou, Rafic G, Graybeal, Benjamin A

“…AbstractBeams made of ultrahigh-performance concrete (UHPC), a fiber-reinforced concrete with high compressive strength and tensile strain-hardening…”
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Shear Behavior of Ultrahigh-Performance Concrete Pretensioned Bridge Girders by El-Helou, Rafic G, Graybeal, Benjamin A

“…AbstractBecause of their tensile strain-hardening characteristics, ultrahigh-performance concrete (UHPC) materials offer significant advantages in terms of…”
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Bond characterization of UHPC overlays for concrete bridge decks: Laboratory and field testing by Haber, Zachary B., Munoz, Jose F., De la Varga, Igor, Graybeal, Benjamin A.

“…•UHPC overlays have low porosity at the UHPC-concrete interface.•UHPC overlays are impacted by the substrate condition and overlay consolidation•UHPC overlays…”
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Shear Design of Strain-Hardening Fiber-Reinforced Concrete Beams by El-Helou, Rafic G., Graybeal, Benjamin A.

“…AbstractStrain-hardening fiber-reinforced concrete (SH-FRC), such as ultrahigh-performance concrete (UHPC), offers sustained tensile capacities up to high…”
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International Perspective on UHPC in Bridge Engineering by Graybeal, Benjamin, Brühwiler, Eugen, Kim, Byung-Suk, Toutlemonde, François, Voo, Yen Lei, Zaghi, Arash

“…Abstract Ultrahigh-performance concrete (UHPC) offers significant potential to address a variety of needs in bridge design, construction, and performance…”
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Lap-Spliced Rebar Connections with UHPC Closures by Haber, Zachary B, Graybeal, Benjamin A

“…AbstractUltrahigh performance concrete (UHPC) is gaining attention from the bridge community as a compelling option for closure pours that complete…”
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Strengthening of Steel Through-Girder Bridges Using UHPC and Post-Tensioning by Haber, Zachary B., Graybeal, Benjamin A.

“…This paper presents a series of strengthening concepts for steel through-girder bridges using ultrahigh-performance concrete (UHPC) and external…”
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Influence of substrate moisture state and roughness on interface microstructure and bond strength: Slant shear vs. pull-off testing by Bentz, Dale P., De la Varga, Igor, Muñoz, Jose F., Spragg, Robert P., Graybeal, Benjamin A., Hussey, Daniel S., Jacobson, David L., Jones, Scott Z., LaManna, Jacob M.

“…There are conflicting views in the literature concerning the optimum moisture state for an existing substrate prior to the application of a repair material…”
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Flexural Behavior of an Ultrahigh-Performance Concrete I-Girder by Graybeal, Benjamin A

“…The flexural behavior of an ultrahigh-performance concrete (UHPC) was investigated through the testing and related analysis of a full-scale prestressed…”
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Splice length of prestressing strands in field-cast UHPC connections by Graybeal, Benjamin A.

“…The development length of reinforcement embedded into ultra-high performance concrete (UHPC) can be significantly shorter than the lengths normally associated…”
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Dimensional Stability of Grout-Type Materials Used as Connections between Prefabricated Concrete Elements by De la Varga, Igor, Graybeal, Benjamin A

“…AbstractPrefabricated bridge elements and systems (PBES) construction relies on field-cast, grout-type materials to complete the connections between precast…”
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Modeling Structural Performance of Ultrahigh Performance Concrete I-Girders by Chen, Linfeng, Graybeal, Benjamin A

“…AbstractUltrahigh performance concrete (UHPC) is an advanced cementitious composite material that has been developed in recent decades. When compared with more…”
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Modeling Structural Performance of Second-Generation Ultrahigh-Performance Concrete Pi-Girders by Chen, Linfeng, Graybeal, Benjamin A

“…AbstractThe concrete-damaged plasticity (CDP) model with proposed material properties replicated the observed deflection and strain responses of three…”
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Ultimate Behavior of Deck-to-Girder Composite Connection Details Using UHPC by Haber, Zachary B, Graybeal, Benjamin A, Nakashoji, Brian

“…Abstract Prefabricated bridge deck panels are a popular option for new construction and bridge rehabilitation. Further, ultra-high-performance concrete (UHPC)…”
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UHPFRC tensile behavior characterization: inverse analysis of four-point bending test results by Baby, Florent, Graybeal, Benjamin, Marchand, Pierre, Toutlemonde, François

“…The tensile stress–strain response of ultra-high performance fiber reinforced concrete (UHPFRC) is a fundamental constitutive property, and reliable knowledge…”
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Development of UHPC Pi-Girder Sections for Span Length up to 41 m by Zhang, Gang, Graybeal, Benjamin A

“…AbstractUltrahigh performance concrete (UHPC) presents many superior properties, such as advanced strength, durability, and long-term stability. The use of…”
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Fatigue Response in Bridge Deck Connection Composed of Field-Cast Ultra-High-Performance Concrete by Graybeal, Benjamin A.

“…The use of prefabricated concrete bridge deck components can offer many advantages over conventional cast-in-place construction techniques. However, completing…”
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Effects of early age differential displacements on concrete–bar bond in the connections of staged constructions by Swenty, Matthew K., Graybeal, Benjamin A.

“…Differential displacements are commonly induced between precast reinforced concrete members during construction such as in connections on staged bridge…”
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Routine Highway Bridge Inspection Condition Documentation Accuracy and Reliability by Phares, Brent M, Washer, Glenn A, Rolander, Dennis D, Graybeal, Benjamin A, Moore, Mark

“…Routine inspection is the most common form of highway bridge inspection to satisfy the requirements of the National Bridge Inspection Standards. The accuracy…”
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Prestress loss model for ultra-high performance concrete by Mohebbi, Alireza, Graybeal, Benjamin

“…•UHPC time-dependent deformations and prestress losses.•Creep and shrinkage of eight commercially available UHPC-class materials.•Data-driven models to predict…”
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