DS-65 Test 1420. This photo shows a cross section piece of timber fastened inside a steel frame, lying lengthwise from top to bottom on a concrete surface. The steel frame itself is fastened to the concrete surface, and four cross bar are bolted across the top of the piece of timber holding it in its place. There exists an eye-hook run through the top of the timber with a pulley cable and hook attached to this eye-hook. The timber has split along the length of its grain, down its center and has cracked along its left-hand side as the right hand side of the timber was being forced against the steel frame.
Grade 1 Test 418. This photo shows a cross section piece of timber fastened inside a steel frame, lying lengthwise at a slight angle from top to bottom on a concrete surface. The steel frame itself is fastened to the concrete surface, and four cross bar are bolted across the top of the piece of timber holding it in its place. There exists an eye-hook run through the top of the timber with a pulley cable and hook attached to this eye-hook. The timber has split along its left-hand side severely as the right hand side of the timber was forced against the steel frame.
FHWA-HRT-05-096