Concrete Case Studies
Mix Designs
Costs Recycled Cement Performance Specs Code Compliance Results Climate Impact Project Cost per cu.
yd.
100%
Portland
Cement
cost per cu.
yd.
Delta Ready Mix
Company
Recycled
Cement
Type Structural
Engineer
Specified
Strength
Day 28
Soil’s
Engineer’s
Specified
Strength
Day 28
Mix Design
Specified
Strength
Day 28
Mix Design
Specified
Portland
Cement
Quantity
Portland
Cement
Quantity
Allowed
Passes
Marin
County
Code
Actual
Strength
Day 28
% Above
Mix Design
Specified
Strength
(Optional)
Actual Early
Strength at
Day 7
Embodied
Carbon of
Portland
Cement
(per cu. yd.)
Embodied
Carbon of
Portland
Cement per
800 cu. yds. of
Concrete
Pounds of coal
burned per
800 cu. yds. of
Concrete
Gas Powered
Passenger
Cars Driven
for 1 year
Conventional Foundation
11658 Ellice St n/a n/a n/a n/a No n/a 4,500
PSI .45 4,500 PSI
685 lbs
per cu.
yd.
479.5 lbs
per cu. yd. No 6,427 PSI 143% 5,094
PSI
352
kgC02e
282
metric
tons
312,007
lbs 60
Recycled Cement
Foundation
Zero 1 - 11865 Ellice St
n/a n/a n/a
Asso- ciated
Ready
Mix
Yes 25% Fly
Ash
2,500
PSI .5 4,000 PSI
458 lbs
per cu.
yd.
422.5 lbs
per cu. yd. No 4,857 PSI 121% 3,200 PSI
245
kgC02e
196
metric
tons
216,856
lbs 42
Low Carbon Concrete
Code Foundation - A
Zero 2 - 11809 Ellice St
$126.00 $128.50 - 1.90%
Asso- ciated
Ready
Mix
Yes 25%
Slag
2,500
PSI .55 3,250 PSI
391 lbs
per cu.
yd.
422.5 lbs
per cu. yd. Yes 4,340 PSI 133% 2,510
209
kgC02e
167
metric
tons
184,770
lbs 36
Low Carbon Concrete
Code Foundation - B
Zero 2 - 11809 Ellice St
$121.50 $124.50 - 2.40%
DMI
Ready
Mix
Yes 25% Fly
Ash
2,500
PSI .55 3,500 PSI
409 lbs
per cu.
yd.
422.5 lbs
per cu. yd. Yes 4,610 132% 3,020 219
kgC02e
175
metric
tons
193,622
lbs 40
PSI
PSI
PSI