Delmag D30-32 Single Acting Diesel Pile Hammer
Blows | Piston | Hammer | Bearing Capacity ( tons ) for a Pile Set ( blows / in ) of: | ||||||||||||||||
Per Min. | Stroke (ft) | Energy (ft-lbs) | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
54 | 4.65 | 30760 | 150 | 165 | 177 | 187 | 196 | 204 | 211 | 217 | 223 | 228 | 233 | 238 | 242 | 246 | 250 | 254 | 257 |
53 | 4.84 | 32017 | 154 | 169 | 181 | 192 | 201 | 209 | 216 | 222 | 228 | 234 | 239 | 244 | 248 | 252 | 256 | 260 | 263 |
52 | 5.04 | 33340 | 158 | 173 | 186 | 197 | 206 | 214 | 221 | 228 | 234 | 240 | 245 | 250 | 254 | 258 | 262 | 266 | 270 |
51 | 5.25 | 34729 | 162 | 178 | 191 | 202 | 211 | 220 | 227 | 234 | 240 | 246 | 251 | 256 | 260 | 265 | 269 | 272 | 276 |
50 | 5.47 | 36184 | 167 | 183 | 196 | 207 | 217 | 225 | 233 | 240 | 246 | 252 | 257 | 262 | 267 | 271 | 275 | 279 | 283 |
49 | 5.71 | 37772 | 171 | 188 | 201 | 213 | 222 | 231 | 239 | 246 | 252 | 258 | 264 | 269 | 274 | 278 | 282 | 286 | 290 |
48 | 5.97 | 39492 | 176 | 193 | 207 | 218 | 229 | 237 | 245 | 253 | 259 | 265 | 271 | 276 | 281 | 285 | 290 | 294 | 298 |
47 | 6.24 | 41278 | 181 | 199 | 213 | 224 | 235 | 244 | 252 | 259 | 266 | 272 | 278 | 283 | 288 | 293 | 297 | 302 | 306 |
46 | 6.52 | 43130 | 186 | 204 | 218 | 231 | 241 | 250 | 259 | 266 | 273 | 279 | 285 | 291 | 296 | 301 | 305 | 309 | 313 |
45 | 6.83 | 45180 | 192 | 210 | 225 | 237 | 248 | 257 | 266 | 274 | 281 | 287 | 293 | 299 | 304 | 309 | 313 | 318 | 322 |
44 | 7.16 | 47363 | 198 | 216 | 231 | 244 | 255 | 265 | 274 | 281 | 289 | 295 | 301 | 307 | 312 | 317 | 322 | 327 | 331 |
43 | 7.51 | 49679 | 204 | 223 | 238 | 251 | 262 | 272 | 281 | 289 | 297 | 304 | 310 | 316 | 321 | 326 | 331 | 336 | 340 |
42 | 7.88 | 52126 | 210 | 229 | 245 | 258 | 270 | 280 | 289 | 298 | 305 | 312 | 319 | 325 | 330 | 335 | 340 | 345 | 350 |
41 | 8.29 | 54838 | 217 | 236 | 253 | 266 | 278 | 289 | 298 | 307 | 314 | 321 | 328 | 334 | 340 | 345 | 350 | 355 | 360 |
40 | 8.72 | 57683 | 223 | 244 | 260 | 274 | 287 | 297 | 307 | 316 | 324 | 331 | 338 | 344 | 350 | 355 | 361 | 366 | 370 |
39 | 9.19 | 60792 | 231 | 252 | 269 | 283 | 296 | 307 | 317 | 325 | 334 | 341 | 348 | 355 | 361 | 366 | 372 | 377 | 381 |
38 | 9.70 | 64166 | 238 | 260 | 277 | 292 | 305 | 316 | 327 | 336 | 344 | 352 | 359 | 366 | 372 | 378 | 383 | 388 | 393 |
37 | 10.25 | 67804 | 246 | 269 | 287 | 302 | 315 | 327 | 337 | 347 | 355 | 363 | 370 | 377 | 384 | 390 | 395 | 401 | 406 |
36 | 10.84 | 71707 | 255 | 278 | 296 | 312 | 325 | 337 | 348 | 358 | 367 | 375 | 382 | 389 | 396 | 402 | 408 | 413 | 419 |
35 | 11.48 | 75940 | 264 | 287 | 306 | 322 | 336 | 349 | 360 | 370 | 379 | 387 | 395 | 402 | 409 | 415 | 421 | 427 | 432 |
| Calculates bearing capacities based upon FHWA modified Gates formula: Ru = 0.5 [ 1.75 √E ( log 10N ) - 100 ] where Ru = Driven bearing capacity of the pile in tons N = Number of hammer blows per inch E = Energy developed by the hammer per blow in ft-lbs |