KS I ISO 16586-2009 Soil quality－Determination of soil water content as a volume fraction on the basis of known dry bulk density－Gravimetric method《土质 在已知毛体积干密度基础上测定为体积分数的土壤含水量 重量分.pdf

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3、rence method)(, ) . 2 . . ( ) . KS I ISO 11465, () 3 . 3.1 (water content, water content mass fraction, water content mass ratio) 105 70 . 3.2 KS I ISO 16586:2009 2 3.3 (water content volume fraction, volumetric water content) 105 4 s x x w ( )(kg/kg) x x ( )(m 3 /m 3 ) b (kg/m 3 ) w (kg/m 3 ) 5 105

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5、11465(w) KS I ISO 11272( b ) . A . 9.2 w . (systematic error) . (, ： w ). 9.3 w, b , w b , w . 2 2 w 2 2 w 2 w 2 w b w b s s w s s s , s w , s b , s w ： , w, b , w ( ) s (t, x) ( ) s ( A). . A b , w b . 10 . a) b) c) d) e) (s), , f) ( ) g) KS I ISO 16586:2009 4 A () w b A.1 KS I ISO 11465 KS I ISO 1

6、1272 w b . . A.2 . m 1 (kg) m 2 (kg) s x x V (m 3 ) x x A.3 w w . a) . . . , m1 . b) 1) . , m1 (t, x) m2 (t, x) 2) . m 2 . , m2 (t, x) 3) . . , m14) . m2 . 5) A.4 w m 1 m 2 , w . 2 2 2 2 1 2 2 2 1 1 m m w s m m s m s KS I ISO 16586:2009 5 s m1 s m2 ： m 1 m 2 s w ：w . ( ) (t, x) A.3 b) 1)A.3 b) 5) .

7、 A.5 b b . a) 1) , , . . (, ) m 2 (t, x) ( m2 ). , . , m2 . 2) . V (t, x) . 3) sleeve . ( V ).b) 1) , m2 (t, x). 2) . (, m2 ). 3) . m2 . A.6 b m 2 V , b . 2 2 2 2 2 2 2 b 1 V m s V m s V s s m2 s V ： m 2 V b： . ( ) (t, x) A.5 a)A.5 b) . . KS I ISO 16586:2009 6 1 KS I ISO 11461, () 2 KS I ISO 11272,

8、 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS I ISO 16586 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Soil quality Determination of soil water content as a volume fraction on the basis of known dry bulk density Gravimetric method ICS 13.080.40 Korean Agency for Technology and Standards http:/www.kats.go.kr