UIHistories Project: A History of the University of Illinois by Kalev Leetaru
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Repository: UIHistories Project: Book - Pictorial Guide to College of Engineering (1919) [PAGE 27]

Caption: Book - Pictorial Guide to College of Engineering (1919)
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R E I N F O R C E D C O N C R E T E COLUMN V I E W showing a concrete column with vertical steel rods after failure. The top of the column is covered with an iron plate imbedded in plaster of Paris to insure an even bearing. A load of 400,000 pounds produced failure.

T E S T OF A C O N C R E T E C O L U M N T H E column is 12 inches in diameter and 20 feet long, reinforced with spiral steel wire hooping. Its top is not visible. The testing machine has a capacity of 600,000 pounds and can be used for testing in either tension or compression.

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T E S T OF C A R W H E E L T H E car wheels are mounted on an axle which is supported on pedestals resting on the weighing platform of t h e testing machine. The load is applied through steel beams and short pieces of rail bearing on the top of the wheels.

T E S T OF A S T E E L C O L U M N FAILURE of a built-up steel column m a d e from angles and plates. This type of column is usually imbedded in concrete to give stiffness, and also for fire-proofing purposes.

T E S T OF B O N D

BETWEEN

C O N C R E T E AND S T E E L T H E bond is determined b y measuring the force and the slip as the steel rod is pulled out of the concrete.

CONCRETE T E S T SPECIMENS A VIEW of the concrete laboratory where concrete and reinforced concrete specimens are made and cured. Concrete columns 12 inches in diameter and up to 20 feet long are shown in the rear and small beams and slabs in the foreground.

MATERIALS TESTING MATERIALS TESTING LABORATORY

LABORATORY