HomeMy WebLinkAboutCOMPRESSIVE STRENGTH OF CONCRETE - Filed CSS-COMPRESSIVE STRENGTH SUMMARY - (27)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
4-1 7 11/29/23 1 / 6 4.00 12.57 49,700 3,950 3 N
4-2 28 12/20/23 1 / 27 4.00 12.57 64,660 5,140 3 C4 N
4-3 28 12/20/23 1 / 27 4.00 12.57 63,710 5,070 3 C4 N
4-4 28 12/20/23 1 / 27 4.00 12.57 64,220 5,110 3 C4 N
4-5 56 01/17/24 1 / 55 4.00 12.57 67,040 5,330 3 C4 N
Test Age Average Strengths (psi): 7 Day - 3950, 28 Day - 5110, 56 Day - 5330
C4: Strength is greater than or equal to f'c.
Tested By: Craig Ellis (1,2,3,4,5)
Checked In : 11/23/2023 (1,2,3,4,5)
Capping Methods
N: Unbonded Caps (ASTM C1231)
Set #:4
Specimen Size:4" X 8"
Specimens In Set:5
Truck / Ticket #:N/A / N/A
Contractor:Front Range Concrete
Technician:Juarez-Knudsen, Evan
Cast By:Juarez-Knudsen, Evan
Date Cast:11/22/23
Sampled From:Chute
Placement Method:Chute
Sample Details
Batched:
Sampled:13:00 MST
Cast:13:15 MST
Truck Empty:
Placement Time:
Placement Location:Crosswalk
Location Details:Handicap ramp, on the north side of westbound Peakview, East side of roundabout
Sample Location / Notes:N/A
Batch Log
Strength:4500 (psi)
Specifications
Supplier:SRM Concrete
On-Site Admixtures: None
Location
Field Measurements
Plastic Unit Weight:141.2 (lb/ft³)
Air Content:6.1
Load Volume:
Weather:Slump (in):4
Air Temperature (F):65 Concrete Temp (F):75
Lab Test Results
Testing Lab: Fort Collins, 400 North Link Lane, Fort Collins, CO, 80525
General Remarks
4-1: 88% 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 - Peakview Portion
FC07733.002F-365
Compressive Strength of Concrete
Test Method: ASTM C 39 Sample: 124063
Report #: CC-000617
Fort Collins
400 North Link Lane
Fort Collins, CO 80524
Phone: 970-206-9455
Report Date: 01/17/2024