Plate-anchored shear reinforcement bars that simultaneously improve workability and ensure seismic performance.
The "Head-bar" is a shear reinforcement rebar that has a rectangular or circular plate friction-welded to the ends of the rebar. The fixed plate firmly restrains the main rebar, effectively preventing buckling of the main rebar and providing behavior up to failure that is equivalent to that of semi-circular hook rebar. It is suitable for shear reinforcement, intermediate zone rebar, and end anchoring of main bars in densely reinforced areas of reinforced concrete floors, walls, and caps. 【Features】 ■ Simultaneously improves workability and ensures seismic performance ■ Has anchoring performance equal to or greater than that of semi-circular hooks ■ Allows for rapid installation in locations where installation with both ends having semi-circular hooks is difficult ■ Simplifies and reduces labor in rebar work ■ The fixed plate firmly restrains the main rebar *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Other Features】 - The effect of suppressing the buckling of the main reinforcing bars and the ductility of the member, including behavior up to failure, is equivalent to that of semicircular hooked reinforcing bars. - The confinement effect of the core concrete has also improved (can be used as lateral confinement reinforcing bars). *For more details, please refer to the PDF materials or feel free to contact us.
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Applications/Examples of results
【Applications】 ■ Civil structures: underground station buildings, underground parking lots, underground tanks, retention basins, etc. ■ Architectural structures: foundation slabs, underground walls, retaining walls, etc. *For more details, please refer to the PDF document or feel free to contact us.
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The VSL method was developed by the Swiss company Rosinger and has a history of about 40 years since its technology was introduced to our country in 1968. It is highly regarded for its safety and cost-effectiveness in post-tensioning methods using PC steel strands, anchoring methods, lifting methods, and jacked caisson methods. Currently, it is a representative method of PC technology applied to various civil engineering and construction structures, such as PC bridges, PC tanks, large-span buildings, ground anchors, and nuclear facilities, centered around local subsidiaries in over 35 major countries worldwide.