Town Center L2B1-LR 960228 Hooper Engineering Laboratories, Inc.
Construction Materials Testing
CORING & COMPRESSION TESTS OF HARDENED CONCRETE
CLIENT: North Texas Contracting, Inc. DATE: 28 February 1996
PROJECT: Wendy's Town Center, Coppell, TX
SAMPLES: Eight 4" dia. cores were taken by a representative of
Hooper Engineering Laboratories, Inc. on 2/28/96.
DATE OF CONCRETE PLACEMENT: 2/13!96
DATE TESTED: 2/29/96 (1 C, 1D), 3/12/96 (remainder)
METHOD OF TEST: ASTM C42-90
DIRECTION OF LOAD: Perpendicular to direction of concrete placement
MOISTURE CONDITION AT TIME OF TEST: 16 hours moist cure (1 C, 1D),
40 hours moist cure (remainder)
CORE CORE LENGTH AREA TOTAL CORRECTED
NO. ORIGINAL DRESSED & CAPPED SQ. IN. LOAD-LBS. COMPRESSIVE STRENGTH
psi
1C 6.6" 6.64" 12.566 36,500 2830
2C 6.3" 6.52" 12.566
3C 6.8" 6.96" 12.566
4C 6.7" 6.79" 12.566
1D 7.2" 7.61" 12.566 45,000 3550
2D 6.2" 6.57" 12.566
3D 6.8" 7.29" 12.566
4D 5.4" 5.70" 12.566
LOCATIONS OF CORES: Spine Road
1C, 2C, 3C, 4C - Southbound lane @ Station 15 + 00 (Reference cylinders #84-#87)
1D, 2D, 3D, 4D - Southbound lane ~ Station 20 + 50 (Reference cylinders #72-#75)
TECHNICIAN: MAC (8:00am-1:30pm)
DISTRIBUTION: (1) North Texas Contracting, Inc.
(2) City of Coppell, Larry Davis
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148
Hooper Engineering Laboratories, Inc.
Construction Materials Testing
CORING & COMPRESSION TESTS OF HARDENED CONCRETE
CLIENT: North Texas Contracting, Inc. DATE: 28 February 1996
PROJECT: Wendy's Town Center, Coppell, TX
SAMPLES: Eight 4" dia. cores were taken by a representative of
Hooper Engineering Laboratories, Inc. on 2/28/96.
DATE OF CONCRETE PLACEMENT: 2/9/96
DATE TESTED: 2/29/96 (lA, lB), 3/8/96 (remainder)
METHOD OF TEST: ASTM C42-90
DIRECTION OF LOAD: Perpendicular to direction of concrete placement
MOISTURE CONDITION AT TIME OF TEST: 16 hours moist cure (lA, 1B),
40 + hours moist cure (remainder)
CORE CORE LENGTH AREA TOTAL CORRECTED
NO. ORIGINAL DRESSED & CAPPED SQ. IN. LOAD-LBS. COMPRESSIVE STRENGTH
psi
lA 6.5" 6.65" 12.566 45,500 3520
2A 6.1" 6.23" 12.566
3A 7.1" 7.20" 12.566
4A 6.5" 6.74" 12.566
1B 6.2" 6.05" 12.566 38,500 2940
2B 6.6" 6.70" 12.566
3B 6.8" 7.09" 12.566
4B 7.7" 7.76" 12.566
LOCATIONS OF CORES: Spine Road
lA, 2A, 3A, 4A - Northbound lane ~ Station 16 + 25 (Reference cylinders #64-#67)
1 B, 2B, 3B, 4B - Northbound lane @ Station 15 + 75 (Reference cylinders #68-#71)
TECHNICIAN:
MAC (8:00am-1:30pm)
DISTRIBUTION: (1) North Texas Contracting, Inc.
(2) City of Coppell, Larry Davis
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148
Hooper Engineering Laboratories, Inc.
Construction Materials Testing
CORING & COMPRESSION TESTS OF HARDENED CONCRETE
CLIENT: North Texas Contracting, Inc. DATE: 28 February 1996
PROJECT: Wendy's Town Center, Coppell, TX
SAMPLES: Eight 4" dia. cores were taken by a representative of
Hooper Engineering Laboratories, Inc. on 2/28/96.
DATE OF CONCRETE PLACEMENT: 2/9/96
DATE TESTED: 2/29/96 (1 A, 1B), 3/8/96 (remainder)
METHOD OF TEST: ASTM C42-90
DIRECTION OF LOAD: Perpendicular to direction of concrete placement
MOISTURE CONDITION AT TIME OF TEST: 16 hours moist cure (lA, 1B),
40 + hours moist cure (remainder)
CORE CORE LENGTH AREA TOTAL CORRECTED
NO. ORIGINAL DRESSED & CAPPED SQ. IN. LOAD-LBS. COMPRESSIVE STRENGTH
psi
lA 6.5" 6.65" 12.566 45,500 3520
2A 6.1" 6.23" 12.566 46,500 3570
3A 7.1" 7.20" 12.566 47,400 3710
4A 6.5" 6.74" 12.566 48,700 3780
Average - 3690
1B 6.2" 6.05" 12.566 38,500 2940
2B 6.6" 6.70" 12.566 42,100 3260
3B 6.8" 7.09" 12.566 39,100 3060
4B 7.7" 7.76" 12.566 41,300 3270
Average - 3200
LOCATIONS OF CORES: Spine Road
lA, 2A, 3A, 4A - Northbound lane @ Station 16+ 25 (Reference cylinders #64-#67)
lB, 2B, 3B, 4B - Northbound lane @ Station 15+75 (Reference cylinders #68-#71)
REMARKS: ACI 318, 5.6.4.4 states that concrete is structurally adequate if
core strengths are at least 85 % of the design strength.
Reinforcing in middle of core 2B. j//~ /~
TECHNICIAN: MAC (8:00am-1:30pm)
DISTRIBUTION: (1) North Texas Contracting, Inc.
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-$141~
Hooper Engineering Laboratories, Inc.
Construction Materials Testing
CORING & COMPRESSION TESTS OF HARDENED CONCRETE
CLIENT: North Texas Contracting, Inc. DATE: 28 February 1996
PROJECT: Wendy's Town Center, Coppell, TX
SAMPLES: Eight 4" dia. cores were taken by a representative of
Hooper Engineering Laboratories, Inc. on 2/28196.
DATE OF CONCRETE PLACEMENT: 2/13/96
DATE TESTED: 2/29i96 (1 C, i D), 3/12/96 (remainder)
METHOD OF TEST: ASTM C42-90
DIRECTION OF LOAD: Perpendicular to direction of concrete placement
MOISTURE CONDITION AT TIME OF TEST: 1 6 hours moist cure (1 C, 1D),
40 hours moist cure (remainder)
CORE CORE LENGTH AREA TOTAL CORRECTED
NO. ORIGINAL DRESSED & CAPPED SQ. IN. LOAD-LBS. COMPRESSIVE STRENGTH
psi
1C 6.6" 6.64" 12.566 36,500 2830
2C 6.3" 6.52" 12.566 43,200 3340
3C 6.8" 6.96" 12.566 42,600 3320
4C 6.7" 6.79" 12.566 40,500 3150
Average of 3 - 3270
1D 7.2" 7.61" 12.566 45,000 3550
2D 6.2" 6.57" 12.566 48,600 3760
3D 6.8" 7.29" 12.566 44,500 3490
4D 5.4" 5.70" 1 2.566 48,700 3690
Average of 3 - 3650
LOCATIONS OF CORES: Spine Road
1 C, 2C, 3C, 4C - Southbound lane @ Station 15 + 00 (Reference cylinders #84-#87)
1 D, 2D, 3D, 4D - Southbound lane @ Station 20 + 50 (Reference cylinders #72-#75)
REMARKS: ACI 318, 5.6.4.4 states that concrete is structurally adequate if
core strengths are at least 85% of the design strength.
TECHNICIAN: MAC (8:00am-l:30pm) ~ ~'~~'
DISTRIBUTION: (1) North Texas Contracting, Inc.
(2) City of Coppell, Larry Davis
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148