Appeal No. 2002-2090
Application 08/430,311
APPENDIX
57. A load bearing concrete panel structure which is
designed to be supported between at least a pair of separated
support members, said panel structure being comprised of a
concrete structure having a length dimension, a width dimension,
and a height dimension, said concrete structure having an upper
half having an upper surface which is designed to come into
contact with or to be closely adjacent to loads which traverse
said panel structure, and a lower half having a lower surface
which is spaced from loads which traverse said panel structure,
and wherein the improvement comprises:
said panel structure being produced from a shrinkage and
temperature resistant concrete composition;
and which said upper half of said panel structure consists
essentially of plain concrete, said plain concrete being a
structural concrete in which said plain concrete carries all the
flexural tensile stresses and which said plain concrete is
characterized as a structural concrete whose maximum flexural
strength is attained at the cracking load thereof, said plain
concrete having a tensile strength less than about 750 pounds per
square inch,
and which said upper half, intermediate the two furthest
separated support members, is free of flexural reinforcing means
for carrying bending moment tension stresses in said panel
structure,
and wherein said lower half of said panel structure includes
flexural reinforcing means for carrying bending moment tension
stresses.
70. A process for casting a load bearing concrete deck
panel structure to be supported on structural elements spanning
three or more structural element supports, comprising the steps
of:
a. installing forming structure onto said structural
elements to support the casting of said deck panel structure,
b. placing supports for flexural reinforcement means
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