Steel shaped profiles for tongue-and-groove connection
TU 14-1-3602-2009
The lock joint was tested at the Mosty Research Center (Moscow) and at the certified testing center of Severstal-Metiz JSC. The results of testing profiles made of steel grade 09G2S with a chemical composition according to GOST19281-2014 conducted in a certified laboratory of Severstal-Metiz, show:
The actual breaking force of the lock joint in terms of a linear centimeter of length is: P1ud. res. from 38.5 to 46.0 kN/pog. see
The actual maximum normal stresses in the strip parts of the profiles when the lock breaks are: σ1 max strip.h. from 326 to 389 N/mm2 (MPa).
The use of this lock in sheet pile structures is recommended by the following regulatory and technical documents:
- GOST R 536-29-2009. Sheet pile and sheet pile-piles made of cold-bent steel profiles.
- TU 5264-001-07851735-2009. Sheet pile welded profiles.
- TU 5264-015-01393674-2012. The sheet pile is welded semicircular profile.
- TU 5264-016-01393674-2012. The sheet pile is tubular welded.
Steel shaped profiles for tongue-and-groove joints are made by hot pressing (hot extrusion). This technology allows you to produce profile configurations that are not available for production by other deformation methods.
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