KS I ISO 17313-2005 Soil quality-Determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter 《土质 使用挠性壁渗透计测定饱和疏松材料的水渗透性》.pdf

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KS I ISO 17313-2005 Soil quality-Determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter 《土质 使用挠性壁渗透计测定饱和疏松材料的水渗透性》.pdf_第1页
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1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2005 12 28 KS I ISO 17313 KS I ISO 17313: 2005I ISO 17313: 2005 ( ) ( ) KIST ( ) ( ) : : 2005 12 28 2005 1013 : : ( ) ( 02 509 72625) . 7 5 , . ICS 13.080.40 KS I ISO 17313: 2005Soil quality Determination of hydraulic conductivity of saturated porous materi

2、als using a flexible wall permeameter 2004 1 ISO 17313 Soil quality Determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter . 1. . 110 5m/s(110 3cm/s) 110 11m/s(110 9cm/s) (compacted specimen) . (clay), , (silt), (peat), . 2. . 2.1 k (hydraulic gradien

3、t) ( 20 ) (laminar flow) , 2.2 (pore volume of flow) 2.3 . . 3. . . . . . . (Darcys law) . . 25 % . , . . . , I ISO 17313: 2005 2 . . 4. 4.1 . . . 4.2 (de-aerated water) . 5. 5.1 (hydraulic system) ( A), ( B, C) ( D) . a) ( A) . , . b) ( B, C) (loss of applied head) . , , (engineers scale), . ( B) (

4、 C) . c) ( D) 5 % . , . . (back pressure) . . . . 5.2 , , , . (accumulator), . , , (porous end piece) , 10 % . 5.3 (permeameter) , . , . . 5.4 (membrane) . 1 . I ISO 17313: 2005 3 (lo) . . (ball valve) , . 1 6 2 7 3 8 4 9 5 1 I ISO 17313: 2005 4 5.5 (top cap and base) . 5.6 (flexible membrane) . . 9

5、095 % . O . O 90 % , . 5.7 (porous end pieces) (silicon carbide), . . . . 5.8 () . , . (hydraulic resistance) . 5.9 , (compactor) (mould) . 5.10 (sample extruder) . 5.11 (equipment for trimming) . . . a) b) 0.3 mm c) (spatulas) d) e) (steel rasp) f) g) (steel straight edge) 5.12 (membrane stretcher)

6、 , O . 5.13 , 3 . . (water bath), (insulated chamber) . . 6. 6.1 70 mm, 25 mm . 6 . I ISO 17313: 2005 5 . 6.2 , . . . , (trowel) . , (slicken side) . , . . . . 6.3 . 1/6 . . . . 6.4 . . , , . ( .). 7. 7.1 7.1.1 . ( ) . 7.1.2 (membrane expander) . . ( ) . ( ) . O . O . 7.1.3 . , . . 735 kPa , . . . (

7、maximum effective stress) . 7.2 (soaking) . , . 7.3 (back-pressure) . 2 . I ISO 17313: 2005 6 . a) 7.1.3 . . . b) . / . . . Y (back pressure)(kPa) X (initial degree of saturation)(%) 2 7.4 . . a) . b) . . c) ( ) . . 7.5 7.5.1 I ISO 17313: 2005 7 . 1 5 . ( 110 8m/s ) . , . , , . 1 . 1 m/s 10 510 62 1

8、0 610 75 10 710 810 10 810 920 10 9 50 7.5.2 (steady-state condition) , . 7.5.37.5.5 . 7.5.3 ( A) . . . . 0.751.25 , 4 . . a) 4 25 % (k 110 10m/s) 50 % (k 110 10m/s) b) 7.5.4 ( B, C) 7.5.4.1 . ( ) 75 % . . 0.751.25 , 4 . 7.5.4.2 (constant tail-water level) ( B) (standpip) . . 7.5.4.3 (increasing tai

9、l-water level) ( C) . I ISO 17313: 2005 8 7.5.5 ( D) . . 7.5.1 . , . . 0.751.25 , 4 (7.5.3 ). 7.6 , . . , , , . 8. 8.1 ( A, D) k . k =htAlV (1) k: (m/s) V: (m3) l: (m) A: (m2) t: V (s) h: (m) 8.2 8.2.1 (constant tail-water pressure)( B) k . k =21inlnhhtAla (2) ain: (m2) l: (m) A: (m2) t: h1 h2 (s) h

10、1: t1 (m) h2: t2 (m) 8.2.2 (increasing tail-water pressure)( C) k . k =+21outinoutinln)( hhaatAlaa (3) ain: (m2) aout: (m2) l: (m) A: (m2) t: h1 h2 (s) h1: t1 (m) h2: t2 (m) 8.2.3 2 RT 20 I ISO 17313: 2005 9 . k20= RT k (4) 2 (RT) (RT) 0 1.783 25 0.889 1 1.723 26 0.869 2 1.664 27 0.850 3 1.611 28 0.

11、832 4 1.560 29 0.814 5 1.511 30 0.797 6 1.465 31 0.780 7 1.421 32 0.764 8 1.379 33 0.749 9 1.339 34 0.733 10 1.301 35 0.719 11 1.265 36 0.705 12 1.230 37 0.692 13 1.197 38 0.678 14 1.165 39 0.665 15 1.135 40 0.653 16 1.106 41 0.641 17 1.077 42 0.629 18 1.051 43 0.618 19 1.025 44 0.607 20 1.000 45 0.

12、598 21 0.976 46 0.585 22 0.953 47 0.575 23 0.931 48 0.565 24 0.910 49 0.556 9. . a) b) c) d) e) f) g) h) (effective consolidation stress) i) j) k) , , , , I ISO 17313: 2005 10 l) 4 (7.5.3 7.5.4 ) 7.110 10m/s 2 . m) (pore volume) I ISO 17313: 2005 11 1 KS M ISO 11277 ( , ) 2 KS M ISO 11465 ( ) 3 ISSM

13、GE, 1999, Recommendations of the ISSMGE for Geotechnical Laboratory Testing. ISBN 3 410 14048 4 2006 1 23 135 513 701 7 (02)6009 4567 (02)6009 4887null 8 http:/ 607 822 1 11( 10 ) (051)557 1239 Fax. (051)557 0430 702 012 2 1741( 3 ) (053)384 1562 4 Fax. (053)384 1565 790 380 627( ) (054)278 9611 Fax. (054)278 9662 406 130 994( 16 ) (032)260 0260 7 Fax. (032)260 0268 443 766 906 5( 9 ) (031)259 7000 9 Fax. (031)259 7010 200 041 1 9( 304 ) (033)252 9423, 254 9423 Fax. (033)256 9423 361 802 1508 1( 6 ) (043)236 2451 3 Fax. (043)236 2454

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