202:
127:
22:
159:) rock screen. The component particles will vary in size from 20 mm down to dust. The material can be made of virgin (newly mined) rock, or of recycled asphalt and concrete.
243:
181:
roadway. Generally consisting of larger grade aggregate, spread and compacted to provide a stable base for further layers of aggregates or asphalt
236:
170:, as a base course for cement pads and foundations, and as backfill material for underground pipelines and other underground utilities.
113:
272:
229:
43:
94:
47:
66:
262:
73:
32:
51:
36:
80:
62:
138:
201:
182:
267:
209:
213:
178:
87:
256:
174:
163:
126:
21:
142:
141:
typically composed of crushed rock capable of passing through a 20
125:
167:
156:
15:
217:
185:. Aggregate base course is often referred to as ABC.
237:
8:
50:. Unsourced material may be challenged and
244:
230:
114:Learn how and when to remove this message
7:
198:
196:
48:adding citations to reliable sources
216:. You can help Knowledge (XXG) by
14:
200:
20:
1:
177:is the sub-base layer of an
289:
195:
273:Civil engineering stubs
139:construction aggregate
131:
208:This article about a
129:
263:Pavement engineering
44:improve this article
162:Base is used as a
132:
225:
224:
210:civil engineering
130:Class 3 road base
124:
123:
116:
98:
280:
246:
239:
232:
204:
197:
154:
153:
149:
119:
112:
108:
105:
99:
97:
63:"Aggregate base"
56:
24:
16:
288:
287:
283:
282:
281:
279:
278:
277:
253:
252:
251:
250:
193:
191:
151:
147:
146:
120:
109:
103:
100:
57:
55:
41:
25:
12:
11:
5:
286:
284:
276:
275:
270:
265:
255:
254:
249:
248:
241:
234:
226:
223:
222:
205:
190:
187:
135:Aggregate base
122:
121:
28:
26:
19:
13:
10:
9:
6:
4:
3:
2:
285:
274:
271:
269:
266:
264:
261:
260:
258:
247:
242:
240:
235:
233:
228:
227:
221:
219:
215:
211:
206:
203:
199:
194:
188:
186:
184:
180:
176:
171:
169:
165:
160:
158:
144:
140:
136:
128:
118:
115:
107:
104:December 2009
96:
93:
89:
86:
82:
79:
75:
72:
68:
65: –
64:
60:
59:Find sources:
53:
49:
45:
39:
38:
34:
29:This article
27:
23:
18:
17:
218:expanding it
207:
192:
172:
161:
134:
133:
110:
101:
91:
84:
77:
70:
58:
42:Please help
30:
212:topic is a
175:base course
164:base course
143:millimetres
257:Categories
189:References
74:newspapers
268:Pavements
31:does not
183:pavement
168:roadways
179:asphalt
150:⁄
88:scholar
52:removed
37:sources
155:
90:
83:
76:
69:
61:
137:is a
95:JSTOR
81:books
214:stub
173:The
67:news
35:any
33:cite
166:in
46:by
259::
157:in
245:e
238:t
231:v
220:.
152:4
148:3
145:(
117:)
111:(
106:)
102:(
92:·
85:·
78:·
71:·
54:.
40:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
