ÆäÀÌÁö À̹ÌÁö
PDF
ePub
[graphic]

SLIDE NO. 30.-Clay masonry walls designed to resist blast effects.

[graphic][merged small][ocr errors][subsumed][subsumed]

SLIDE NO. 31.-Cutaway view of dual purpose underground garage and shelter.

The interior dimensions are approximately 90 by 90 feet, with the centerline of the ramp radial to ground zero. The structure had a 30-inch roof slab which was supported by 9 columns and was covered with 3 feet of earth to attenuate the nuclear radiation. (See slide No. 32.)

[graphic]

SLIDE NO. 32.-Construction view of underground garage and shelter.

A 100-ton reinforced concrete door about 4 feet thick was provided to give protection from radiation and to provide a pressure seal.

After receiving approximately 40 pounds per square inch, the only apparent damage to the garage was that of breaking away the end retaining wall and cracking the side retaining wall of the ramp. (See slide No. 33.) The results indicate that occupants of the shelter would

[graphic][merged small]

SLIDE NO. 34.-Blast resistant test vault.

have received good protection. This test has furnished the basis for practical and varied dual purpose garage shelter designs. A model of this test structure is also on exhibit in the front of the room.

[graphic][subsumed]
« ÀÌÀü°è¼Ó »