HomeMy WebLinkAboutCOMPRESSIVE STRENGTH OF CONCRETE - Filed CSS-COMPRESSIVE STRENGTH SUMMARY - (28)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
181-1 7 12/06/23 1 / 6 4.00 12.57 47,750 3,800 3 N
181-2 28 12/27/23 1 / 27 4.00 12.57 57,050 4,540 3 C4 N
181-3 28 12/27/23 1 / 27 4.00 12.57 56,010 4,460 3 C2 N
181-4 28 12/27/23 1 / 27 4.00 12.57 58,620 4,660 3 C4 N
181-5 56 01/24/24 1 / 55 4.00 12.57 69,170 5,500 3 C4 N
Test Age Average Strengths (psi): 7 Day - 3800, 28 Day - 4550, 56 Day - 5500
C4: Strength is greater than or equal to f'c.
C2: Strength is less than f'c. One cylinder will be held to break at 56 days.
Tested By: Craig Ellis (1,2,3,4,5)
Checked In : 11/30/2023 (1,2,3,4,5)
Capping Methods
N: Unbonded Caps (ASTM C1231)
Set #:181
Specimen Size:4" X 8"
Specimens In Set:5
Truck / Ticket #:1907 / 21093373
Contractor:Front Range Concrete
Technician:Juarez-Knudsen, Evan
Cast By:Juarez-Knudsen, Evan
Date Cast:11/29/23
Sampled From:Chute
Placement Method:Chute
Sample Details
Batched:12:33 MST
Sampled:13:05 MST
Cast:13:20 MST
Truck Empty:
Placement Time:
Placement Location:Sidewalk
Location Details:Sidewalk on the northeast corner of Whisperwind Ln and Aria way
Sample Location / Notes:Mix 45262
Batch Log
Strength:4500 (psi)
Specifications
Supplier:SRM Concrete
On-Site Admixtures: 5.00 Gal Water (6.25 yd³)
Location
Field Measurements
Plastic Unit Weight:140.0 (lb/ft³)
Air Content:6.8
Load Volume:6.25 (yd³)
Weather:Slump (in):4
Air Temperature (F):44 Concrete Temp (F):70
Lab Test Results
Testing Lab: Fort Collins, 400 North Link Lane, Fort Collins, CO, 80525
General Remarks
181-1: 84% of specified strength at 7 days.
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: 124227
Report #: CC-000701
Fort Collins
400 North Link Lane
Fort Collins, CO 80524
Phone: 970-206-9455
Report Date: 01/24/2024