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TB/T 3122-2010 English PDF (TBT3122-2010)

TB/T 3122-2010 English PDF (TBT3122-2010)

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TB/T 3122-2010: Technique requirements and measurement of acoustic elements of railway sound barrier

This Standard specifies the terms, definitions, technique requirements and measurement of acoustic elements of railway sound barrier.
TB/T 3122-2010
TBT3122-2010)
ICS 45.020
S 09
Railway Industry Standard
of the People's Republic of China
Replacing TB/T 3122-2005
Technical requirements and measurement
of acoustic elements of railway sound
barrier
ISSUED ON. JANUARY 12, 2011
IMPLEMENTED ON. JULY 1, 2011
Issued by. Ministry of Railways of the People's Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 5
4 Technical Performance Requirements ... 6
5 Test Methods ... 9
References ... 12
References and Original Chinese Documents ... 13
Foreword
This Standard is drafted according to the rules of GB/T 1.1-2009.
This Standard replaces TB/T 3122-2005 Technique requirements and
measurement of acoustic elements of railway sound barrier.
Compared with TB/T 3122-2005, the major technical changes are as follow. ?€? MODIFY the terms and definitions of "deformability" to the terms and
definitions of "wind load resistance performance"(see 3.7);
?€? MODIFY the noise reduction coefficient
of acoustic elements laboratory tests and weighted sound
reduction requirements (see 4.1.1);
?€? DELETE the "Installation" clause of the "technical performance
requirements" (see 4.8 of TB/T 3122-2005);
?€? MODIFY the standards based on test methods
of laboratory absorption properties and sound reduction properties
(see 5.1 and 5.2);
?€? PROVIDE specific requirements in the requirements and test methods
of anti-corrosion performance (see 4.1.5 and 5.6);
?€? ADD the requirements and test methods of fatigue resistance
of acoustic elements (see 4.1.6 and 5.7);
?€? ADD the supplementary requirements of organic synthesis transparent
plate of acoustic elements (see 4.9 and 5.9);
This Standard is under the jurisdiction of the Energy-Saving Labor Health Research Institution of China Academy of Railway Science.
This Standard is drafted by Energy-Saving Labor Health Research Institution of China Academy of Railway Science and Taixing Tomson Acrylic Ltd.
This Standard is mainly drafted by He Binzhe, Yin Hao, Ma Yun, Tang
Yuesheng and Zhu Zhengtong.
This Standard was first published in June 2005, and this is the first revision. Technique requirements and measurement of
acoustic elements of railway sound barrier
1 Scope
This Standard specifies the terms, definitions, technique requirements and measurement of acoustic elements of railway sound barrier.
This standard applies to the design, manufacturing and product test of acoustic elements of railway sound barrier.
2 Normative References
The following documents are essential for the application of this document. For dated references, only dated versions apply to this document. For undated references, their latest versions (including all amendments) apply to this document.
GB/T 1036 Plastic -30???~30??? Determination of coefficient of linear expansion Quartz dilatometer method
GB/T 1040.1 Plastic Determination of tensile properties Part 1 General
GB/T 1041 Plastic Determination of compression properties
GB/T 1633 Determination of Vicat Softening Temperature (VST) of the
thermoplastic
GB/T 2410 Determination of transparent plastic transmittance and haze
GB/T 3947?€?1996 Acoustic Terminology
GB 8624-2006 Classification of building materials and combustion products GB/T 8626 Flammability test method of building materials
5.3.2 The test equipment, test methods and sample preparation of the wind pressure performance of acoustic elements of sound barrier shall comply with the relevant provisions of GB/T 15227, and shall not add any special
attachments or take other special measures. The test installation and
forcing-status shall be consistent with the actual-use.
5.4 Test method for impact resistance
5.4.1 USE method A of GB/T 14153?€?1993 as test method for impact
resistance of acoustic elements of sound barrier.
5.4.2 The test equipment, test methods and sample preparation of the impact resistance of acoustic elements of sound barrier shall comply with the relevant provisions of GB/T 14153?€?1993.
5.5 Test method for fire performance
USE test method of GB/T 8626 to conduct test.
5.6 Test method for salt-spray resistance
USE test method of GB/T 17748 to conduct test.
5.7 Test method for fatigue resistance
According to different materials, operational flow volume and operational speed, CALCULATE fatigue loads. USE the fatigue testing machine to conduct the cycle test of fatigue for 4 million times, under sinusoidal cyclic loads and at vibration frequency of 4 Hz.
5.8 Appearance inspection
Under conditions of bright light or fluorescent lamp of 40W, CONDUCT
appearance inspection.
5.9 Test of transparent plate of organic synthesis
5.9.1 Test method for shading rate
USE test method of GB/T 2410 to conduct the test.
5.9.2 Test method for tensile performance and elongation
USE test method of GB/T 1040.1 to conduct the test.
5.9.3 Test method for bending strength
USE test method of GB/T 9341 to conduct the test.
5.9.4 Test method for modulus of elasticity
USE test method of GB/T 1041 to conduct the test.
5.9.5 Test method for expansion coefficient of linear thermal
USE test method of GB/T 1036 to conduct the test.
5.9.6 Test method for softening temperature
USE test method of GB/T 1633 to conduct the test.
References
[1] EN1793 Road traffic noise reducing devices - Test method for determining the acoustic performance
[2] EN1794 Road traffic noise reducing devices - Non-acoustic performance [3] ZTV-Lsw 88 Additional Technical Regulations concerning Noise Protection Walls
References and Original Chinese Documents
[1] TB/T 3122-2010 Technique requirements and measurement of acoustic elements of railway sound barrier.

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