Table 5: Test results of controlled DB and SDB.

Designation of beamsa/d ratioAvg. ultimate load value (kN)Avg. deflection at ultimate load (mm)Calculated load value for different stress levels (kN)
45%75%95%

DB-ad-11145.685.89965.56109.26138.40
DB-ad-3364.5311.67429.0448.4061.30
SDB-ad-11144.286.85764.93108.21137.07
SDB-ad-3359.5510.37126.8044.6656.57