FIELD: construction engineering. SUBSTANCE: stability of framed structural models and continuous multities columns is tested by device having a base with lock to install test structure. Locking arrangement is made up of two posts with slots. Loading unit has two cross beams. Each cross member accommodates four equal-flange angles bars and cantilever beams. Beams are rigidly connected with cross members and can be vertically displaced and fixed in slots of posts. Posts are installed in common plane with lock. EFFECT: high efficiency. 4 dwg
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