Cooper Concrete Co.

        
 


 

 

CONCRETE DESIGN EVALUATION
MIX NUMBER: 1006, 4000 psi in 28days

 

CYLDR
NO 1

CYLDR
NO 2

TEST
AVG

CUM
AVG

MOVING
3 AVG

RANGE

5460

5260

5360

5360

 

200

5340

5060

5200

5200

 

280

5340

5060

5200

5253

5253

280

6020

5950

5985

5436

5462

70

6020

5950

5985

5546

5723

70

5550

5450

5500

5538

5823

100

5550

5450

5500

5533

5662

100

5440

5250

5345

5509

5448

190

5340

5510

5425

5500

5423

170

4860

5000

4930

5443

5233

140

5150

5340

5245

5425

5200

190

4610

4810

4710

5365

4962

200

5250

5490

5370

5366

5108

240

4310

4500

4405

5297

4828

190

4820

5070

4945

5274

4907

250

5300

5260

5280

5274

5113

40

4740

4620

4680

5239

4980

120

5050

4850

4950

5223

4970

200

4250

4170

4210

5170

4613

80

5970

5750

5860

5204

5007

220

5710

5340

5525

5220

5198

370

5950

6050

6000

5255

5795

100

5800

5700

5750

5277

5758

100

5950

6110

6030

5308

5927

160

5970

5860

5915

5332

5898

110

5150

4900

5025

5320

5657

250

4750

4700

4725

5298

5222

50

5190

5040

5115

5292

4955

150

4810

4670

4740

5273

4860

140

6300

6460

6380

5310

5412

160

SPECIFIED DESIGN STRENGTH- - - - - - - - - - - - - - - 4000
NUMBER OF TESTS - - - - - - - - - - - - - - - - - - - - - - - 30
MAXIMUM VALUE- - - - - - - - - - - - - - - - - - - - - - - - 6380
MINIMUM VALUE - - - - - - - - - - - - - - - - - - - - - - - - 4210
RANGE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2170
AVERAGE STRENGTH- - - - - - - - - - - - - - - - - - - - - 5310
STANDARD DEVIATION- - - - - - - - - - - - - - - - - - - 527
ADJUSTED STANDARD DEVIATION - - - - - - - - - - 543
REQUIRED AVERAGE STRENGTH TO SATISFY  
MINIMUM PROBABILITY CONDITIONS OF  
ACI 318 SECTION 5.3.2.1.- - - - - - - - - - - - - - - - - - 4765
DESIGN EXCESS BEYOND CODE REQUIREMENTS 544
WITHIN TEST COEFFICIENT OF VARIATION- - - - - 2.74
 
   
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