Trump Tower

Chicago, Illinois

10,000 psi @ 56 days - 10 ft. Thick Mat __________________________________________________________________

5000 cy. of SCC Placed in 23.5 Hours

Courtesy Skidmore, Owings, and Merrill LLP

10,000 psi @ 56 days (5000 cy.)

Cement 180 lbs.

Slag 480 lbs.

Sand As required

Crushed Dolomite Stone - 1/2" - 3/4" 1700 lbs.

HRWR Polycarboxylate - Type F & G As required

Viscosity Modifying Admixture, VMA As required

Air Content 1 - 2%

Spread 26" - 28"

J-Ring 24" - 27"

Peak Temperature Reached 155° F (68° C)

Maximum Temperature Differential 28° F (15° C)

W/cm 0.26 - 0.28

Paste Volume 28.3%

Compressive Strength Required: 10,000 psi

@ 56 days

They achieved

it in 7 days

Developer: Trump Organization

Architect: Adrian Smith - Skidmore, Owings and Merrill, Chicago, IL

Structural Engineer: William Baker - Skidmore, Owings and Merrill, Chicago, IL

Construction Manager: Bovis Lend Lease

Concrete Contractor: James McHugh Construction

Concrete Producer: Prairie Materials