Pull-out behavior of glulam connections with glued-in rod loaded parallel to the grain
Source abstract
Abstract
Glued-in rod (GiR) is a reliable moment resistant connection method applied in timber structures. To investigate the pull-out performance of GiR connections parallel to the grain in Douglas fir glulam, this article conducted pull-out tests on two types of rods: threaded rods and rebars. The effects of loading condition and anchorage length on the failure mode, pull-out load-carrying capacity, and strain distribution along the anchorage length were studied. The results showed that the specimens suffered four failure modes: bonding failure, yield failure of the steel rod, pull-out failure of the rebar, and splitting failure. The distribution of strain along the anchorage length of the GiR was uneven. The pull-pull specimens exhibited a higher pull-out load-carrying capacity compared to the pull-compression configuration. Additionally, the load-carrying capacity of the GiR connections increased with increasing anchorage length, whereas the average bond strength exhibited a downward trend. Based on test results and existing reference data, a calculation model of the average and standard value of pull-out load-carrying capacity of a single GiR connection parallel to the grain in glulam was proposed.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Wood Treatment and Properties · Tree Root and Stability Studies · Natural Fiber Reinforced Composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Shandong Jianzhu University
Key Laboratory of Building Structural Retrofitting and Underground Space Engineering, Shandong Jianzhu University
Funding
the Major Scientific & Technological Innovation Projects of Shandong Province, P. R. China · the Jinan Science and Technology Bureau
References (56)
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