Influence of interface joint types on shear bond strength between ultra-high performance concrete and normal concrete
Source abstract
Abstract
This research aims to investigate the influence of groove interface joint types on shear bond strength between ultra-high performance concrete (UHPC) and normal concrete (NC) via push-out test. Nine specimens with two different types of interface joints, smooth and groove joints with/without bonding agent (BA), were tested. The experimental results indicate that the shear bond strength between UHPC and NC varies significantly based on the interface conditions. Among the interface joints, groove joints showed higher shear bond strength compared to smooth joints. The study also highlighted that increasing the groove width for NC enhances interface shear bond strength, while increasing the groove depth reduces it. Additionally, the application of a BA improves the bond strength between UHPC and NC, significantly in smooth surface conditions, but provides much less effectiveness in the grooved interfaces. These findings underscore the importance of interface design in optimizing the interface shear bond strength between UHPC and NC.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Innovative concrete reinforcement materials · Structural Behavior of Reinforced Concrete · Concrete and Cement Materials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Civil Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi
School of Civil Engineering and Technology, Sirindhorn International Institute of Technology (SIIT), Thammasat University
Construction and Maintenance Technology Research Center (CONTEC), School of Civil Engineering and Technology, Sirindhorn International Institute of Technology (SIIT), Thammasat University
Department of Civil Engineering, Faculty of Engineering, Burapha University
Funding
National Research Council of Thailand · CONTEC–SIIT, Thammasat University · Office of the Permanent Secretary, Ministry of Higher Education, Science, Research and Innovation (OPS MHESI), Thailand Science Research and Innovation · Rajamangala University of Technology Thanyaburi
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