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1、BRITISH STANDARD BS EN 12274-6:2002 Slurry surfacing Test methods Part 6: Rate of application The European Standard EN 12274-6:2002 has the status of a British Standard ICS 93.080.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun sheffieldun, na, Sa
2、t Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12274-6:2002 This British Standard, having been prepared under the direction of the Building and Civil Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee
3、 on 5 February 2002 BSI 5 February 2002 ISBN 0 580 39002 0 National foreword This British Standard is the official English language version of EN 12274-6:2002. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/2, Surface dressin
4、g, sprays and slurry surfacing, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be fou
5、nd in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standard
6、s are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep th
7、e UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright date displayed in this document indicates
8、 when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12274-6 January 2002 ICS 93.080.20 English ver
9、sion Slurry surfacing - Test methods - Part 6: Rate of application Matriaux bitumineux couls froid - Mthodes dessai - Partie 6: Taux dpandage Dnne Asphaltschicht in Kaltbauweise - Prfverfahren - Teil 6: Bestimmung der Einbaumasse This European Standard was approved by CEN on 9 November 2001. CEN mem
10、bers are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on applicat
11、ion to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same
12、 status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR ST
13、ANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12274-6:2002 E Licensed Copy: sheffieldun sheffi
14、eldun, na, Sat Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12274-6:2002 (E) 2 Contents page Foreword3 1Scope 4 2Terms and definitions4 3Principle4 4Procedure .4 5Expression of results 6 6Test report 6 Bibliography7 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 11:45:39 GMT
15、+00:00 2006, Uncontrolled Copy, (c) BSI EN 12274-6:2002 (E) 3 Foreword This European Standard has been prepared by Technical Committee CEN/TC 227 “Road materials“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication
16、of an identical text or by endorsement, at the latest by July 2002, and conflicting national standards shall be withdrawn at the latest by June 2004. This European Standard is one of a series of standards as listed below: EN 12274-1, Slurry surfacing ? Test methods ? Part 1: Sampling for binder extr
17、action EN 12274-2, Slurry surfacing ? Test methods ? Part 2: Determination of residual binder content EN 12274-3, Slurry surfacing ? Test methods ? Part 3: Consistency EN 12274-4, Slurry surfacing ? Test methods ? Part 4: Determination of cohesion of the mix EN 12274-5, Slurry surfacing ? Test metho
18、ds ? Part 5: Determination of wearing EN 12274-6, Slurry surfacing ? Test methods ? Part 6: Rate of application EN 12274-7, Slurry surfacing ? Test methods ? Part 7: Shaking abrasion test in suitability of mineral aggregates to slurry mixes1 EN 12274-8, Slurry surfacing ? Test methods ? Part 8: Visu
19、al assessment1 According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlan
20、ds, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 1 In preparation. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12274-6:2002 (E) 4 1 Scope This European Standard specifies test methods for determination the aver
21、age rate of application of a slurry surfacing in kilograms per square metre (kg/m). The European Standard applies to slurry surfacings for roads, airfields and other trafficked areas. 2 Terms and definitions For the purposes of this European Standard, the following term and definition apply. 2.1 rat
22、e of application, Y, mass of slurry surfacing applied on the covered area divided by this area, measured in kilograms per square metre (kg/m) 3 Principle The total mass of slurry surfacing mixture applied to a known area is measured. The mass is determined either by weighing each of the mixture cons
23、tituents separately (see 4.1) or by weighing the slurry surfacing machine and determining its mass both before and after laying the slurry mixture (see 4.2). 4 Procedure 4.1 Methods based on the separate weighing of the constituents 4.1.1 Weighing on a fixed weighbridge 4.1.1.1 Before laying Before
24、laying, determine the masses of the various constituents (stone, sand, filler, any additives, bitumen emulsion) by weighing each vehicle delivering materials to the jobsite being considered. Determine the masses of the materials delivered by each vehicle by deducting the tare from the gross weight o
25、f the vehicle as determined on a fixed weighbridge. Record the following parameters on each weighing ticket: ? gross weight; ? tare of the vehicle; ? material in vehicle; ? date and hour; ? identification of the vehicle. Record the sum of the masses of all the constituents, A, in kilograms (kg). 4.1
26、.1.2 After completion After finishing the job, weigh the quantity of each of the constituents which has been left on the stockpile. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12274-6:2002 (E) 5 Record the sum of the masses of the rem
27、ains of all the constituents, B, in kilograms (kg). Measure the area covered, C, in square metres (m2). Calculate the total quantity of slurry surfacing applied on the covered area, X, in kilograms (kg), using the following equation: BAX?(1) where Xis the mass of slurry surfacing applied on the cove
28、red area, expressed in kilograms (kg); Ais the sum of the masses of all the constituents before laying, expressed in kilograms (kg); Bis the sum of the masses of the remains of all the constituents after laying expressed in kilograms (kg). 4.1.2 Weighing by built-in devices in the slurry machine If
29、the slurry surfacing machine is fitted with continuously operating devices to weigh the aggregates (including mineral additives) and monitor the flow rate of the bitumen emulsion, display and print the masses of the aggregates and bitumen emulsion consumed on a given section of road. Record the sum
30、of the masses of all the constituents, A, in kilograms (kg), the sum of the masses of the remains of all the constituents, B, in kilograms (kg), and the area covered, C, in square metres (m2). Calculate the total quantity of slurry surfacing applied on the covered area, X, in kilograms (kg), using t
31、he following equation: BAX?(2) where Xis the mass of slurry surfacing applied on the covered area, expressed in kilograms (kg); Ais the sum of the masses of all the constituents before laying, expressed in kilograms (kg); Bis the sum of the masses of the remains of all the constituents after laying;
32、 expressed in kilograms (kg). 4.2 Methods based on weighing the slurry surfacing machine 4.2.1 Procedure for fixed weighing systems The rate of spread for slurry surfacings can be checked on site by weighing the slurry machine using a fixed system. Determine the quantity of slurry surfacing material
33、s laid by a machine, X, in kilograms (kg), by deducting the mass of the machine after laying from its mass before laying. Measure the area covered, C, in square metres (m2). NOTEWater may be or not included in calculating the rate of spread at the discretion of the user. If the water is not included
34、 in determining the rate of spread, the water tank of the machine must be filled up before each weighing. 4.2.2 Procedure for portable weighing systems Check the rate of spread for slurry surfacing check on site by weighing the slurry machine using a portable system. Weighing shall be performed on g
35、round with a resultant slope (crossfall and gradient) smaller than 3 % (under conditions according to the operating manual of the balance). Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12274-6:2002 (E) 6 4.2.2.1 Equipment The weighing
36、system shall comprise at least two connected plates, so as to be able to weigh each axle at one time. The size of the plates shall be such that the double wheels can pass over them. The minimum capacity of the weighing system shall be 15 000 kg. The limit deviation shall be 25 kg for axles up to 2 5
37、00 kg, and 50 kg for axles up to 15 000 kg. The system shall be connected to a printer recording the mass per axle as well the date and hour. 4.2.2.2 Procedure Determine the quantity of slurry surfacing materials laid by a machine, X, in kilograms (kg), by deducting the mass of the machine after lay
38、ing from its mass before laying. Measure the area covered, C, in square metres (m2). 4.3 Calibration Weighing systems used shall be calibrated and regularly checked by an officially recognised inspection body. 5 Expression of results Determine the rate of application, Y, in kilograms per square metr
39、e (kg/m2) by means of the equation: C X Y ? (3) where Yis the rate of application, expressed in kilograms per square metre (kg/m2); Xis the mass of slurry surfacing applied on the covered area, expressed in kilograms (kg); Cis the covered area, expressed in square metres (m2). 6 Test report The repo
40、rt shall contain: a) statement that the test has been performed in accordance with this European Standard; b) date of application; c) location; d) covered area in square metre; e) total mass of all the constituents supplied to the job site; f) total mass of all the constituents which are not used fo
41、r the job; g) results as calculated in clause 5; h) name and signature of person conducting test; i) procedure used (4.1.1,4.1.2 or 4.2); j) in case of use of the procedure described under 4.2.1, statement that the weighing includes water or not. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 2
42、8 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12274-6:2002 (E) 7 Bibliography 1 ISSA, Recommended Performance Guidelines for Micro-Surfacing Jan. 1991 2 Normas Espaa NLT-317/87 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 11:45:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN
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