Test results

Test 1
Load on the centre of the board above the diagonal frame

Test 2
Load on the board* in the centre of gravity of the area enclosed by two edge frames** and a diagonal frame

Test 3
Load on the edge of the board with the fibre orientation of the solid wood rods running parallel to the edge frame

Test 4
Load on the edge of the board with the fibre orientation of the solid wood rods running at a right-angle to the edge frame

Test 5
Load on the edge frame in the centre of the field

Versuch 6
Load on the edge frame near the aluminium support base


     *
   ** 
 ***
Material:
Material:
Constructers:
Place of examination:
Date of examination:
 wood core plywood 22 mm
 maple plywood 24 mm
 Ingenieurgemeinschaft Speich Hinkes Lindemann
 Fachhochschule Bielefeld
 14.03.2001

Test No. 1st breaking load [kN] Deformation[mm] Drop in load [kN] Max. breaking load [kN]

 1.   9,4 21,5   8,4 10,8
 2.   6,1 14,5   5,4   9,8
 3.   5,5   9,7   2,6   5,5
 4.   9,2 19,6   1,5   9,2
 5. 12,4 15,6 12,0 15,6
 6. 15,8   8,8 14,5 16,1