擁壁構造設計指針 - kouiki321.jp

1 ( ) ( ) ( ) s PA s ( ) A s A A ( )

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3 Nd 1 2 15 (30 ) Nd 15 (30 ) Standard c 5qu c 10C 5 (10 ) ) Trafficability Tester c 14 17C c 4N( ) 2t 20 (40 )10t 30 (50 ) JIS 1220 (1976) 15 (30 ) JIS 1221 (1976) max 5 (10 ) 15 (30 ) u 15 (30 ) JIS 1202 JIS 1203 JIS 1204-80 JSF 22-71 JIS 1205-80 JIS 1206-78 JIS 1209-78 BS 1377 14-1967

4 D d t u u cu d cu d JIS A 1210-80 BS 1377 T 13-1967 ASTM D 2049-64 T JIS A 1218-78 JIS A 1217-80 ASTM D 3080-72 JIS A 1216 ASTM D 2850-70 ASTM American Society for Testing and Matarials C ( ) A f c tan f c tan ( ) u (JSF T25-81) (JSF T21-71)

5 F A qu qu D f c f f 2qu u o / / / / / /.

6 3 (1) A1 21 A s A cos A cos cos sin sin cos cos sin A1 N A N / A ( ) ( ) A ( ) ( ) ( ) H/3 /3 (1) H 1/3 1/3 1/3 32 32 / 2 s H A s A h/3 h / 3 h s PA ( )

7 /3 /3 H 2 N N N/ 3 4 24 20 16 1 8 (2) 1/3 1/2 (3) 23 5 25 (4)

8 10 30 5 q s H /2 H s A /2 H H/2 30 10 5 1 21 s N AE v cos k Cos k cos cos k sin k sin + cos + + k cos sin( k) ( k) 0 4 4 k tan k vh N h v h ( ) v 0 (1)

9 4 2 H 1/3 1/3 1/3 21 21 sin sin k tan 1 sin cos k sin k sin sin k tan h h k 2 N N N (3) 23 5 25 30 ( ) ( ) 30 ( ) 30 3 030 ( )

10 30 ( ) ) ( ) (b) ( ) 1 s