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International Journal of Concrete Structures and Materials

Table 5 UPV data: non-forced direction

From: Experimental Evaluation of Shape Memory Alloy Retrofitting Effect for Circular Concrete Column Using Ultrasonic Pulse Velocity

Specimen no.

Control—non forced direction

CFRP—non forced direction

Fe-SMA—non forced direction

5 cm

15 cm

20 cm

5 cm

15 cm

20 cm

5 cm

15 cm

20 cm

Before loading

1

4199

4163

4190

4337

4441

4178

4343

4087

4108

2

4288

4155

4118

4383

4205

4237

4305

4116

4043

3

4246

4097

4173

4344

4231

4234

4330

4181

4097

Avg

4244

4138

4160

4355

4292

4217

4326

4128

4082

Cycle 1

1

4234

4151

4064

–

–

–

–

–

–

2

4275

4120

4160

–

–

–

–

–

–

3

4259

4107

4098

–

–

–

–

–

–

Avg

4256

4126

4107

–

–

–

–

–

–

Cycle 2

1

4277

4071

4127

4199

4053

4114

4167

4027

4074

2

4307

4127

4159

4235

4096

4068

4191

4089

4025

3

4285

4151

4138

4226

4052

4092

4189

4004

4063

Avg

4289

4116

4141

4220

4067

4091

4182

4040

4054

Cycle 3

1

4233

4036

4111

–

–

–

–

–

–

2

4244

4121

4123

–

–

–

–

–

–

3

4203

4135

4055

–

–

–

–

–

–

Avg

4226

4097

4096

–

–

–

–

–

–

Cycle 4

1

4274

4106

4061

4164

3982

4023

4164

4019

4055

2

4267

4087

4022

4229

3898

4024

4152

4038

4087

3

4182

4074

4019

4106

3975

4041

4151

4055

4271

Avg

4241

4089

4034

4166

3951

4029

4155

4037

4137

Cycle 6

1

3612

2651

3304

3612

3726

3939

3675

3730

3978

2

3645

2651

3329

3618

3796

3886

3656

3332

4022

3

–

2959

–

3594

3726

3938

3755

3457

3991

Avg

3628

2753

3316

3608

3749

3921

3695

3506

4003

Cycle 7

1

–

–

–

3499

3440

3781

4026

3654

3966

2

–

–

–

3495

3475

3741

3699

3665

3980

3

–

–

–

3494

3523

3689

3709

3644

3968

Avg

–

–

–

3496

3479

3737

3811

3654

3971

Cycle 8

1

–

–

–

3276

3358

3522

3553

3515

3945

2

–

–

–

3289

3367

3530

3543

3541

4083

3

–

–

–

3315

3324

3534

3787

3533

3941

Avg

–

–

–

3293

3349

3528

3627

3529

3989

Cycle 9

1

–

–

–

3262

3267

3451

3484

3467

3849

2

–

–

–

6148

3382

3443

3495

3417

3836

3

–

–

–

3333

3231

3464

3439

3350

3857

Avg

–

–

–

3247

3293

3452

3472

3411

3847

Cycle 10

1

–

–

–

3055

3224

3350

3159

3409

3776

2

–

–

–

3051

3281

3385

3208

3393

3765

3

–

–

–

3077

3151

3406

3234

3395

3762

Avg

–

–

–

3061

3218

3380

3200

3399

3767

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