Uhpc shear key
Web1 Aug 2024 · This research investigated the use of locally produced ultra-high performance concrete (UHPC) as a grouting material to repair deteriorated shear keys. Shear keys are used in adjacent girder superstructures to produce monolithic behavior and load transfer across the structure. Shear key durability is a concern since shear key degradation can … Webproprietary UHPC mixtures provides an economical and sustainable alternative to proprietary products. In comparison to other proprietary mixtures, locally produced UHPC …
Uhpc shear key
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WebHeaded stud connectors play a key role in steel- ultra-high performance concrete (UHPC) composite slab, which has many applications in long-span bridges. ... It can be found that the failure mode of the specimens would change from stud shear fracture to UHPC slab splitting broken as the stud diameter was increased from 13 mm to 16 mm and 19 mm. ... WebThe shear stress of the UHPC specimen reached 0.6 f c ′ and the joint remained intact and the maximum width of diagonal cracks of UHPC joints was 0.15 mm. The investigation …
WebWith its superior strength and durability, ultrahigh-performance concrete (UHPC) has been used as an alternative grout material to reduce shear key cracking and enhance load … Web13 Apr 2024 · This paper presents a numerical study on the static behavior and cyclic behavior of UHPC-filled steel tube (UHPCFST) columns. A novel fiber element model is …
Web27 Oct 2024 · Ultra-high performance concrete (UHPC) is currently regarded as a promising cement-based material in the field of structure reinforcement [4] [5] [6] as it gains ultra …
WebThis research investigated the use of locally produced ultra-high performance concrete (UHPC) as a grouting material to repair deteriorated shear keys. Shear keys are used in …
Web1 Jan 2024 · Highlights Specimens were cast with the box beams and UHPC shear keys of a real bridge. Cohesion and Load is not the critical factor that causes bond failure at beam … smart light switch doubleWeb9 Apr 2024 · The shear bearing capacity of T-Perfobond shear connectors increased with the increase of web plate thickness and decreased with the increase of flange plate thickness. The hole diameter... hillside van lines east northportWeb2 Jun 2024 · Although ultra-high-performance concrete (UHPC) has been used for joints in the highway bridges to eliminate the longitudinal cracks in shear keys, there is limited information regarding the effect of bond strength between UHPC and high strength concrete (HSC) on the load transfer mechanism in the transverse direction between adjacent box … hillside veterinary clinic anchorage akWeb1 Aug 2024 · This research investigated the use of locally produced ultra-high performance concrete (UHPC) as a grouting material to repair deteriorated shear keys. Shear keys are … smart light switch home assistantWeb8 Feb 2024 · Combined with finite element analyses, the reasonable height ratio between UHPC keys and RC keys and the shear capacity of the shear key connection were … hillside veterinary hospital frostburg mdWebA Better Mousetrap Shearkey: UHPC Shearkeys DESIGN GOALS: 1. Ensure That the Bridge Acts Monolithically, While: a. Eliminating Reflective Cracking b. Eliminating Transverse Post-tensioning c. Eliminating the Need for a Structural Slab 2024 Transportation Innovation Conference 7 UHPC Shear Keys 1. Design Philosophy / Research / Guides hillside vet clinic mount vernon ohioWeb7 Dec 2024 · The results indicated that the UHPC material associated with a specific shear key configuration created a “self-locked” phenomenon that generated compression on the upper level shear key. The early age tensile stress during the first couple of days near the end of the joint was relatively small compared to the tensile strength of UHPC material. smart light switch hue