FIELD: physics.
SUBSTANCE: invention is referred to dynamic impact of constructions, mainly of reinforced concrete constructions. Method for impact testing of construction consists of preliminary determination of construction fundamental frequency; after this construction is subjected to impact load providing maximum possible deformation. At that fundamental frequency is determined by resonant-frequency method. Then, without position changing of construction fracturing blow is made. Received data are processed; higher harmonics of natural oscillation are filtered from lower harmonics, which frequency corresponds to measured construction fundamental frequency. To determine fundamental oscillation frequency in construction, vibrator is used for oscillations, which are registered by acceleration unit signal; fundamental frequency is determined against maximum resonance value; real values of dynamic parametres are evaluated by received data.
EFFECT: provides increase in test reliability.
2 cl, 2 dwg
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