表-2.9 S波測定結果
Series
Run
v
s
(m/sec)
板叩き法
Sounding
West
North
East
Average
2
Before
218
209
195
207
227
3-4
220
212
198
210
-
4-5
222
224
218
221
-
6-7
222
228
220
223
-
8-9
224
231
220
225
-
10-11
224
235
224
228
-
After
232
237
227
232
253