Research Article
The Measurement of P-, S-, and R-Wave Velocities to Evaluate the Condition of Reinforced and Prestressed Concrete Slabs
Table 2
P-wave velocities (m/s) at test grid points in slabs S1, S2, and S3.
| Test point | S1 | S2 | S3 | I | II | III | IV | V | I | II | III | IV | V | I | II | III | IV | V |
| A | 3002 | 3301 | 3295 | 3326 | 3231 | 3411 | 3258 | 3400 | 3183 | 3391 | 3253 | 3320 | 3348 | 3358 | 3244 | B | 3136 | 3333 | 3283 | 3331 | 3308 | 3333 | 3433 | 3395 | 3285 | 3691 | 3211 | 3733 | 3630 | 3300 | 3401 | C | 3254 | 3197 | 3281 | 3350 | 3322 | 3275 | 3335 | 3287 | 3287 | 3358 | 3316 | 3409 | 3367 | 3256 | 3260 | D | 3429 | 3339 | 3318 | 3340 | 3429 | 3329 | 3333 | 3297 | 3348 | 3246 | 3301 | 3256 | 3283 | 3301 | 3337 | E | 3130 | 3268 | 3104 | 3472 | 3378 | 3166 | 3398 | 3300 | 3474 | 3160 | 3554 | 3337 | 3435 | 3341 | 3406 | F | 3108 | 3268 | 3300 | 3391 | 3374 | 3374 | 3528 | 3280 | 3524 | 3260 | 3320 | 3458 | 3130 | 3279 | 3371 | G | 3191 | 3207 | 3207 | 3234 | 3275 | 3277 | 3312 | 3295 | 3540 | 3343 | 3358 | 3329 | 3367 | 3379 | 3371 | H | 3334 | 3374 | 3271 | 3333 | 3363 | 3255 | 3400 | 3793 | 3818 | 3316 | 3316 | 3497 | 3444 | 3442 | 3447 |
| Min | 3002 | 3160 | 3130 | Max | 3472 | 3818 | 3733 | Avg (m/s) | 3285 | 3367 | 3362 | Std (m/s) | 97 | 146 | 110 |
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Avg = average velocity and Std = standard deviation.
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