HomeMy WebLinkAboutCOMPRESSIVE STRENGTH OF CONCRETE - Filed CSS-COMPRESSIVE STRENGTH SUMMARY - (90)Specimen
Number
Test
Age Days
Test
Date
Field / Lab
Cure Days
Average Cylinder
Diameter (in)
Cylinder
Area (in²)
Max Load
(lbs)
Strength
(psi)
Fracture
Type
Break
Remark
Capping
Method
267-1 7 05/23/24 1 / 6 4.00 12.57 42,180 3,360 3 N
267-2 28 06/13/24 1 / 27 4.00 12.57 55,120 4,390 3 C2 N
267-3 28 06/13/24 1 / 27 4.00 12.57 57,110 4,540 3 C4 N
267-4 28 06/13/24 1 / 27 4.00 12.57 56,280 4,480 3 C2 N
267-5 56 07/11/24 1 / 55
Test Age Average Strengths (psi): 7 Day - 3360, 28 Day - 4470
C2: Strength is less than f'c. One cylinder will be held to break at 56 days.
C4: Strength is greater than or equal to f'c.
Tested By: Craig Ellis (1,2,3,4)
Checked In : 05/17/2024 (1,2,3,4,5)
Capping Methods
N: Unbonded Caps (ASTM C1231)
Set #:267
Specimen Size:4" X 8"
Specimens In Set:5
Truck / Ticket #:1703 / 21096805
Contractor:Front Range Concrete
Technician:Flaherty, Alexander
Cast By:Flaherty, Alexander
Date Cast:05/16/24
Sampled From:Chute
Placement Method:Curb & Gutter
Sample Details
Batched:09:30 MDT
Sampled:10:05 MDT
Cast:10:20 MDT
Truck Empty:10:22 MDT
Placement Time:52 (min)
Placement Location:Sidewalk
Location Details:Pond D STA 8+40
Sample Location / Notes:Mix 45260
Batch Log
Strength:4500 (psi)
Specifications
Supplier:SRM Concrete
On-Site Admixtures: 10.00 Gal Water (10 yd³)
Location
Field Measurements
Plastic Unit Weight:138.6 (lb/ft³)
Air Content:8.0
Load Volume:10.00 (yd³)
Weather:Slump (in):2
Air Temperature (F):60 Concrete Temp (F):70
Lab Test Results
Testing Lab: Fort Collins, 400 North Link Lane, Fort Collins, CO, 80525
General Remarks
267-1: Reviewed by CE
Test results relate only to the sample tested.
Cylinders received in good condition unless noted otherwise. Physical properties of concrete (ASTM C143, C231, C138, C1064).
This Report should not be reproduced, except in full, without the prior authorization of CTL|Thompson Inc.
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Client:
Hartford Homes Construction
Timnath, CO 80547
4801 Goodman St
Project:
Bloom Filing 1
FC07733.001F-365
Compressive Strength of Concrete
Test Method: ASTM C 39 Sample: 129646
Report #: CC-000933
Fort Collins
400 North Link Lane
Fort Collins, CO 80524
Phone: 970-206-9455
Report Date: 06/13/2024