Title: ???? (Rock Classification)
1????????
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2???? (Rock Classification)
3??????(??)
4??????(???????)
5???????
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D C B A
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6??????? (1)
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7??????? (2)
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8??????? (3)
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9???????????????
10???????
- ????????
- ???????
- ????????
- 4. ???????
11???????
- ????????
- ???????
- ????????
- 4. ???????
12Terzaghi????? 1946
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13Rabcewicz????? 1957
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14Lauffer????? 1958
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???A?B?C?????Terzaghi???1?2?3????????????
15Müller????? 1958
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16Müller???????? 1970
17???????
- ????????
- ???????
- ????????
- 4. ???????
18??????
1. ????? 2. ?????? 3. ?????? 4. ????? 5. ??????
19?????(?????????)
20?????(?????)
21????(???????)
Müller 1965
22??????
23RQD (Rock Quality Designation)
???????????????10cm??????? (Deere1966)
24???????RQD
25RQD?????
Bieniawski 1978
26JRC (Joint Roughness Coefficient)
Nick Barton et al. 1977
27???????
- ????????
- ???????
- ????????
- 4. ???????
28????????
???????????????
???????????????
1. RSR (Rock Structure Rating) Wickham et al.
1972 2. RMR (Rock Mechanics Rating) Bieniawski
1973 3. Q value Barton et al. 1974
29RSR (Rock Structure Rating)
30RMR (Rock Mechanics Rating)
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? ????
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31RMR????????
32Q value (rock mass Quality)
33Q value ?????
?????? RQD ????? Jn ???????? Jr ???????? Ja ??????
???? Jw ?????? SRF
34Q value ?????
35Q value ????????
36???????
- ????????
- ???????
- ????????
- 4. ???????
37RMR?Q????
38RMR?Q????(???)
39Lauffer??????RMR?Q
40????????????(RMR,Q)
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RMR
Q
41????????????(RQD)
42????????????(???)
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43????????????(Q???)
44??????????????
45????????
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46?????????
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47?????
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48????????(??????)
49??????????(??)
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50?????????????
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