TM 5-623
Table 6-1. Material Codes
Material Codes.
100 Surface Materials*
155
slurry seal
110
Portland Cement Concrete
156
fog seal
111
plain
157
asphalt rubber chip
112
reinforced concrete pavements (RCP)
158
fabric
113
continuously reinforced concrete
159
dust layering
pavement (CRCP)
114
prestressed
160
Preformed Joint Fillers
115
fibrous
161
bituminous fiber
162
cork
120
Asphalt Concrete
163
self-expanding cork
164
self-expanding rubber
130
Road Mix Bituminous Surface
165
sponge rubber
140
Sand-Asphalt
166
closed cell plastic
141
plant mix
142
road mix
170
Joint and Crack Sealers
171
hot-poured
150
Surface Treatments
172
cold-poured
151
single-layer aggregate seal
152
double-layer aggregate seal
180
Others
153
three- or more layer aggregate seal
154
sand seal
200 Treated or Stabilized Materials
240
Asphalt-Treated Plant Mix
210
Cement Treated
241
crushed stone
211
gravel and crushed stone
242
gravel
212
sand
243
sand
213
silt and clay
220
Lime-Flyash Treated
250
Asphalt-Treated Road Mix
221
gravel and crushed stone
251
crushed stone
222
sand
252
gravel
223
slag
253
sand
280
Others
230
Lime-Treated Fine-Grained Soil
300 Untreated Materials
310
Crushed Stone
333
high fines content
311
well-graded
312
poorly graded (one-sized)
340
Fine-Grained Soils
313
high fines content
341
sandy silt
342
silt
320
Gravel
343
clayey silt
321
well-graded
344
sandy clay
322
poorly graded
345
silty clay
323
high fines content
346
clay
347
organic silt
330
Sand
348
organic clay
331
well-graded
332
poorly graded
380
Others
*For unpaved roads, refer to treated or untreated materials list for identification purposes.
6-6
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