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1、STD-JIS A 9108-ENGL 1997 m 4933608 0549289 743 m JIS JAPANESE INDUSTRIAL STANDARD Translated and Published by Japanese Standards Association JIS A 9108 : 1997 Foundation wood sill treated with preservatives by pressure processes ICs 71.100.50 ; 79.020 Descriptors : wood preservation, creosoting, fou
2、ndations, structual timber, wood preservatives Reference number : JIS A 9108 : 1997 (E) 19 S Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:04:03 MDTNo reproduction or networking permit
3、ted without license from IHS -,-,- STD=JIS A SLOB-ENGL 1997 4933bOB 0549290 4b5 A 9108: 1997 This translation has been made based on the original Japanese Industrial Standard revised by the Minister of International Trade and Industry through deliberations at Japanese Industrial Standards Committee
4、in accordance with the Industrial Standardization Law: Date of Establishment: 1972-12-01 Date of Revision: 1997-06-20 Date of Public Notice in Official Gazette: 1997-06-20 Investigated by: Japanese Industrial Standards Committee Divisional Council on Architecture JIS A 9108: 1997, First English edit
5、ion published in 1998-03 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 1998 All rights reserved. Unless otherwise specified, no
6、part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALicens
7、ee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:04:03 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS A 9LOB-ENGL 1997 4933608 0549293 3TL 9 JAPANESE INDUSTRIAL STANDARD JIS A 9108 : 1997 Foundation wood sill treated with preservatives b
8、y pressure processes 1 Scope This Japanese Industrial Standard specifies the wood treated with preserv- atives by pressure processes for the purpose of using as the foundation wood sill of buildings (hereafter referred to as “preservative treated foundation wood sill” ). Remarks Normative references
9、 in this Standard are listed in Attached Table 1. 2 Definitions The definitions of main terms used in this Standard are as follows. end check Splits found on the end surface of wood. ring shake Shakes along the annual ring of wood. curve The curve found on the side face of thickness in the longitudi
10、nal direction. torsion The phonomenon that four corners of a wood are not on the same plane because of its twisting. warp A generic term including warp (warp in the direction of thickness), width warp (warp in the direction of width), torsion, and so on. incising In order to get the uniform permeati
11、on layer of wood preservatives, the process to incise the wood surface prior to injection treatment. curing After pressurized injection treatment, the process to be taken for drying the preservative treated foundation wood sill to the extent that any impediment does not occur in handling it, or for
12、fixing the ingredients of the wood preserva- tives in the foundation wood. Quality 3.1 End check, curve and torsion The through fissures at the end surface of preserv- ative treated foundation wood sill shall not be more than 2.0 times of wood thickness, the curve not be more than 0.5 % and in addit
13、ion to those, the torsion not be detrimen- tal to use. Remarks The end check and curve shall be measured according to, in case of coniferous tree, the method specified in “Japanese Agricultural Stan- dard for structural lumber of coniferous tree”, and in case of broadleaf tree, the method specified
14、in “Japanese Agricultural Standard for lum- ber of broadleaf tree” . 3.2 Degree of permeation The permeation degree of wood preservatives shall be Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13
15、/2007 09:04:03 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS A 9108-ENGL 1997 m 4933608 0549292 238 m Symbol CCA- 1 2 A 9108 : 1997 80 % or more. 3.3 Absorbed amount The absorbed amount of wood preservatives shall be as shown in Table 1. Table 1 Specification of a
16、bsorbed amount Unit : kdm3 Absorbed amount 3.5 to 10.5 Classification of wood preservatives Chromium, copper, and arsenic com- pound type wood preservatives Alkylammonium compound type wood pre- servatives Emulsifying copper naphthenate type wood preservatives AAC 4.5 min.(as DDAC) NCU 1.0 min.(as C
17、u) CCA-2 I ACQ- 1 ACQ-2 CCA-3 I 2.6 min. Copper and alkylammonium com- pound type wood preservatives Emulsifying zinc naphthenate type wood pre- I NZN I 2.0 min.(asZn) I servatives No.1 No.2 300 400 9.0 9.0 The plus side tolerance of length, 10.5 10.5 thickness, and width is not speci- 10.5 12.0 fie
18、d, but their minus side tolerance 12.0 12.0 is not allowed. 4 Dimension and tolerance 4 . 1 Standing store The dimensions of standing store shall be as shown in Table 2. Table 2 Dimensions and tolerance of standing store Unit : cm I Length I Thickness 1 Width 1 Tolerance I 4.2 Articles to be made by
19、 order The length, thickness, and width of article to be made by order shall be subject to the agreement between the parties concerned with delivery, and their tolerance shall follow Table 2. 5 Materials 5.1 Wood The quality of wood shall be as follows. 5.1.1 apitong. Kind of wood The kind of wood s
20、hall be hemlock fir, EZOMATU, white fir and 5.1.2 Quality , (1) Hemlock fir, EZOMATU and white fir The criteria of hemlock fir, EZOMATU Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:04
21、:03 MDTNo reproduction or networking permitted without license from IHS -,-,- STDDJIS A 7108-ENGL 1797 4733608 0549293 174 Knots (except knots grouped) Knots (knots grouped) Narrow wood surface Wide wood Wood edge surface Narrow wood surface Wide wood Woodedge surface Wood center Wood center Through
22、 fissures (wood end) Through fissures (wood surface) It shall be 2.0 times of wood width or less. It shall be 113 of wood length or less. I Rot I It shall not exist. I Inclination ratio of fiber direction Average width of annual rings It shall be 1:6 or less. It shall be 10 mm or less. Curve Warp an
23、d other defects It shall be 0.5 % or less. They shall not be detrimental to use. 3 A 9108 : 1997 and white fir shall be as shown in Table 3. Table 3 Quality criteria for hemlock fir, EZOMATU and white fir Criteria Ratio of diameter (I) shall be 60 % or less. Ratio of diameter shall be 35 % or less.
24、I Ratio of diameter shall be 70 % or less. Ratio of diameter () shall be 90 % or less. Ratio of diameter shall be 50 % or less. Ratio of diameter shall be 90 % or less. I I I I I I It shall be 30 % or less. I Incising is not regarded as a defect. But its specifi- cation shall be in the range that th
25、e bending strength and Youngc coefficient of wood does not decrease by more than about 10 %. Incising Notes (I) The ratio of knot diameter is percentage of the knot diameter to the width of wood surface where the knot exists. The ratio of knot diameter of grouped is the total ratio of the diameter o
26、f knots existing in 15 cm length of wood surface. (2) Apitong The criteria of apitong shall be as shown in Table 4 . () Table 4 Quality criteria for apitong I Item of defects Criteria The maximum ratio of a knot shall be 10 % or less, and its number per 2 m longitudinal interval of wood(odd interval
27、 shall be in- c1uded)shall be one or less. Knots I Wane It shall be 10 % or less. It shall be 10 % or less. I End check or ring shake It shall be slight. It shall be slight. Curve, warp, or torsion Worm hole It shall be very slight. It shall be very slight. It shall be slight. Rot Other defects Inci
28、sing is not considered as a defect. But its specification shall be in the range that the decrease of bending strength or the decrease of Youngs coefficient shall not exceed 10 % approximately. Incising Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employ
29、ees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:04:03 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS A 9108-ENGL 1997 4933b08 0549294 O00 4 A 9108 : 1997 5.2 Wood preservatives The wood preservatives to be used shall be “chromium, copper, and arseni
30、c compound type wood preservatives” , “alkylammonium compound type wood preservatives”, “emulsifying copper naphthenate type wood preservatives” , “emulsifying zinc naphthenate type wood preservatives” , or “copper and alkylammo- nium compound type wood preservatives”, specified in JIS K 1570. 6 Man
31、ufacturing method 6.1 izing injection shall follow the method specified in JIS A 9002. Treatment method by pressurizing injection The treatment method by pressur- Curing Curing shall be as follows. When treated by pressurizing injection using the chromium, copper and arsenic compound type wood prese
32、rvatives, the curing term not less than 20 days shall be taken after the pressurizing injection treatment. If the curing by heating is carried out under the condition capable of obtaining the curing effect equivalent or superior thereto, this term may be shortened. When treated by pressurizing injec
33、tion using other wood preservatives than chromium, copper, and arsenic compound type wood preservatives, the curing period shall be taken at least 7 days after the pressurizing injection treatment. If the artificial drying is carried out under the condition capable of obtaining the curing effect equ
34、ivalent or superior thereto, this term may be shortened. 7 Test method 7.1 Sampling method of test piece The test piece shall be taken up to the depth of 10 k 0.5 mm using the increment borer (internal diameter of 4.45 mm to 4.54 mm) at right angle to the wood surface of the preservative treated fou
35、ndation wood sill at the middle part of width on the surface lying at the middle of the length where the heart wood is exposed or the least sapwood exists. 7 . 2 Degree of permeation The degree of permeation shall be obtained by the fol- lowing formula after measuring the length of permeation of woo
36、d preservatives using vernier caliper with the minimum graduation of 1/10 mm or less. L P = - x 100 10 where, P : degree of permeation (%) L: length of permeation (mm) The measurement of the length of permeation shall be as follows. (1) That treated with chromium, copper and arsenic compound type wo
37、od preserva- tives Wet the outside surface of test piece with the indicator made from the Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:04:03 MDTNo reproduction or networking permitted
38、 without license from IHS -,-,- STD=JIS A 9108-ENGL 1997 4933608 0549295 T43 5 A 9108 : 1997 water of 50 ml into which 0.5 g of 1, 5-diphenylcarbonohydrazide specified in JIS K 8488 and 50 ml of 2-propanol specified in JIS K 8839 are dissolved, measure the length of the part where the color changed
39、to maroon and take its value as the length of permeation. That treated with alkylammonium compound type woad preservatives Wet the outside surface of test piece with 3 mol/lacetic acid solution prepared using the acetic acid specified in JIS K 8355 and allow to stand as it is for 3 min, and then wet
40、 it with acetone solution of bromophenol blue (2 gll) prepared using the bromophenol blue specified in JIS K 8844 and the acetone specified in JIS K 8034 and allow to stand as it is for some 5 min. Measure the length of the part that pre- sented blue color and make its value the length of permeation
41、. That treated with emulsdymg copper naphthenate type wood preservatives Wet the outside surface of test piece with the indicator made from 50 ml of water into which 0.5 g of 1,5-diphenylcabonohydrazide specified in JIS K 8488 and the 50 ml of 2-propanol specified in JIS K 8839 are dissolved and mea
42、sure the length of the part where the color changed to blueish purple to make its value the length of permeation. That treated with emulsifying zinc naphthenate type wood preservatives Wet the outside surface of test piece with aceton solution of dithizone (1 g i l ) prepared using the dithizone spe
43、cified in JIS K 8490 and the aceton specified in JI$ K 8034 and measure the length of the part where the color changed to red to make its value the length of permeation. That treated with copper and alkylammonium compound type wood preservatives Wet the outside surface of test piece with the indicat
44、or made by dissolving 0.5 g of chrome azurol S and 5 g of sodium acetate specified in JIS K 8372 into 500 ml of water and measure the length of the part where the color changed to dark green to make its value the length of permeation. (2) (3) (4) (5) 7.3 Absorbed amount The measurement of absorbed a
45、mount shall follow Annex. For the measurement of the absorbed amount, test pieces which have been used in permeation length measurement shall be used as samples. 8 Inspection 8.1 Dimensions, end check, curve, and torsion The inspection on dimensions, end check, curve, and torsion shall be done in ac
46、cordance with rational sampling inspection, and the results shall comply with the requirements in 3.1 and 4. 8.2 Degree of permeation The inspection of permeation degree shall be done in ac- cordance with rational sampling inspection, and the results shall comply with the re- quirements in 3.2. 8.3
47、Absorbed amount The inspection of absorbed amount shall be done in accor- dance with rational sampling inspection, and the results shall comly with the require- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for
48、 Resale, 03/13/2007 09:04:03 MDTNo reproduction or networking permitted without license from IHS -,-,- STD-JIS A 9308-ENGL 3997 m 4933608 054929b 983 m 6 A 9108 : 1997 ments in 3.3. 9 Designation of products The products shall be designated by the kind of wood, dimensions, and the symbol for the name of wood preservatives. Example : Hemlock-400 X 10.5 X 10.5-CCA-1 10 Marking On products, the following items shall be marked. (1) Kind of wood (2) (3) (4) (5) Dimensions (length, thickness, and width) Kind of wood preservative or its symbol Name of manufacturer or its abbreviation Year of