標準貫入試験方法 - jiban.or.jp

1 JIS. A 1219 0000.. Method for standard penetration test . 2005 1 ISO 22476-3:2005 .. J J . 1 . SPT SPT .. kg 760 mm SPT . N SPT 300 mm . N . A . 2 .. ISO 22475-1,Geotechnical investigation and testing Sampling methods and groundwater measurements Part 1: Technical principles for execution JIS G 3465 . 3 . JIS Z 8002 . SPT .. SPT 300 mm .. SPT .. SPT .. 760 mm .. SPT SPT .. 50 10 mm . 3. A 1219 0000. 4 .. 150 mm . N A . SPT . SPT 1 SPT . SPT . N A . SPT . 1 . 3 mm . 60 SPT C . mm .. ( 25 mm 22 mm ).. (4 12 mm).. SPT .. m 2 mm m 3 mm . kg/m . N A .. 115 kg . kg kg . 760 mm 10 mm .. N .. 1 N - . ( ).. ( ).. 2 .. 760 mm 10 mm .. 3 .. 760 mm 10 mm .. 760 mm 10 mm .. 3 mm . 5. A 1219 0000. 5 .. SPT 1 . 20 .. SPT .. SPT .. kg 760 mm 150 mm .. 1 150 mm.

2 2 .. 3 N 50 . kg 760 mm SPT 300 mm . 100 mm 100 mm .. 450 mm . 50 300 mm . N . 300 mm . 100 .. SPT .. 6 . N . 7 .. a) . 1) . 2) . 3) . 4) . b) . 1) . 2) . 3) . 4) . 5) . c) . 1) . 2) . 7. A 1219 0000. 3) . d) . 1) . 2) . 3) .. a) . 1) . 2) . b) . 1) SPT . 2) . 3) . 4) SPT(C)) . c) . 1) . 2) . 3) . 4) .. 100mm . 50 100 . 50 10 mm .. SPT . 5) . 6) . 7) . 8) SPT . 9) . 10) .. a) . b) . c) . d) .. 9. A 1219 0000. A.. JIMS M-1001 . kg/m kg/m . SPT . SPT .1 . SPT .. N SPT . N SPT . mm .. a b c d e t 810 75 560 175 51 35 19 45' 8' .. mm N .. N .. ( ) .. 65 150 mm . 11. A 1219 0000. B.. mm a) b) .. JIMS M 1001 2008( ). JA.. JIS . JIS A 1219:0000 ISO/IEC 22476-3:2005 Geotechnical investigation and testing - Field testing - Part 3 : Standard penetration test ( )JIS ( ) ( ) ( )JIS ( )JIS.

3 1 ISO SPT .. N .. A .. N .. A .. SPT SPT ISO SPT . N . A . SPT .. 13. A 1219 0000. Drive When measured over the ISO 1 . rods whole length of each rod 1200 JIS. the relative deflection shall (JIS G 3465 . 2mm not be greater than 1 in 1. 3mm 200.. ISO SPT . N . A .. N SPT .. ISO . Equipment . checks and calibration . Energy losses occur . due to friction at the JIS . hammer (velocity loss JIS . compared to the free fall) . or due to energy losses during the hammer impact on the anvil. Therefore, the energy ratio . Er of the equipment used JIS . has to be known if the JIS . N-values are going to be . used for the quantitative evaluation of foundations or for the comparisons of results. A certificate of calibration . of the Er-value JIS . immediately below the JIS.)

4 Driving head or anvil shall . be available. When drilling bits are ISO . Preparation used, they shall be . of the provided with side borehole discharge and not with bottom discharge, from a safe distance of the test elevation. 100mm at least 2 increments of . 150mm 150mm .. ISO .. 6 Test results The N-values can vary . with test equipment and JIS . mode operation as well as JIS . geotechnical conditions . (see Annex A). 15. A 1219 0000. The corrections of Annex . A shall be considered. JIS . JIS .. a) ISO . 6) .. b) ISO ISO SPT .. 1)SPT .. Record c)7)the energy ratio Er and . of measured the calibration report JIS . values and JIS . test results . c) .. 4) .. 50 .. 10mm .. JIS ISO/IEC 22476-3:2005 MOD.. 1 .. 2 JIS . IDT . MOD . NEQ IDT MOD.

5 17. A 1219 0000. JB.. 1 ISO 22476-3:2005 .. ISO 22476-3:2005 .. 2 ISO 22475-1, Geotechnical investigation and testing 2 ISO 22476-3:2005 . Sampling methods and groundwater measurements Part 1: Technical principles for execution JIS G 3465 JIS M 1409 JIS M 1409 1410 .. JIS M 1410 .. ISO 22476-3:2005 . 15cm .. ISO 22476-3:2005 . 150 mm .. N A ISO 22476-3:2005 .. SPT .. a) .. ISO 22476-3:2005 .. 810 ISO 22476-3:2005 . 25<x<75 75 ISO 22476-3:2005 . 450 560 ISO 22476-3:2005 . 175 ISO 22476-3:2005 . ISO 22476-3:2005 . N A ISO 22476-3:2005 . SPT .. ISO 22476-3:2005 .. 3 mm . ISO 22476-3:2005 . 60 . SPT C .. m b) JIS M 1409 ISO 22476-3:2005 . 2 mm m 3 mm . kg/m JIS M 1410 .. ISO 22476-3:2005 .. N A ISO 22476-3:2005 .. 115kg c) ISO 22476-3:2005 .. 3.

6 D) ISO 22476-3:2005 . 4 . e) ISO 22476-3:2005 .. N ISO 22476-3:2005 . 19. A 1219 0000.. 1 N 5 ISO 22476-3:2005 . - .. ISO 22476-3:2005 .. ISO 22476-3:2005 . 3 mm .. SPT ISO 22476-3:2005 . 1 . 20 .. ISO 22476-3:2005 .. ISO 22476-3:2005 .. c) 3.. d) .. ISO 22476-3:2005 .. ISO 22476-3:2005 .. ISO 22476-3:2005 .. SPT a) ISO 22476-3:2005 .. b) .. SPT a) b) .. 45cm .. d) .. 2.. b) c) 60cm .. kg 760 mm e) ISO 22476-3:2005 . 150 mm 15cm 30cm .. 1 150 mm . f) . 2 . 50 .. 3 N 50 76 1cm .. 100 mm h) 1 ISO 22476-3:2005 . 100 mm . 10cm .. ISO 22476-3:2005 .. 21. A 1219 0000. " ISO 22476-3:2005 .. ISO 22476-3:2005 .. 7. a) ISO 22476-3:2005 . b) . a) c) . 1) d) . 2) e) . 3) f) . 4) g) . b) . 1) h) 1 . 2) . 3) . 4) i)N . 5) . c) . 1) j) . 2) k) . 3) . d).

7 1) . 2) . 3) . a) . 1) . 2) . b) . 1) SPT . 2) .. 3) . 4) SPT(C)) . c) . 1) . 2) . 3) .. 4) .. 100mm . 50 100 .. 50 . 10 mm .. SPT . 5) . 6) . 7) . 8) SPT . 9) . 10) . A ISO 22476-3:2005 .. B ISO 22476-3:2005.