GB 18173.2-2014 PDF English
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Polymer water-proof materials - Part 2: Waterstop
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| GB 18173.2-2000 | English | 199 |
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Polymer water-proof materials Part 2: Waterstop
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GB 18173.2-2014: Polymer water-proof materials - Part 2: Waterstop---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB18173.2-2014
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 83.140.99
G 47
GB/T 18173.2-2014
Replacing GB 18173.2-2000
Polymer water-proof materials - Part 2.Waterstop
Issued on. JULY 24, 2014
Implemented on. MAY 1, 2015
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Classification and markings... 6
4 Requirements... 7
5 Test methods... 11
6 Inspection rules... 13
7 Symbols, packaging, transportation and storage... 15
Foreword
Chapters 4 and 7 of this Part are mandatory, while others are
recommended.
GB 18173 Polymer water-proof materials is divided into the following 4 parts.
— Part 1.Water-proof sheet;
— Part 2.Waterstop;
— Part 3.Hydrophilic expansion rubber;
— Part 4.Rubber gasket for shield-driven tunnel.
This Part is Part 2 of GB 18173.
This Part was drafted in accordance with the rules given in GB/T 1.1-2009.
This Part replaces GB 18173.2-2000 Polymer water-proof materials - Part 2.
Waterstop. The major differences between this Part and GB 18173.2-2000 are
as follows.
— MODIFY and ADD the classification method of the waterstop (SEE
Section 3.1 of this Part, Section 3.1 of 2000 edition);
— MODIFY the marking method of the waterstop (SEE Section 3.2 of this
Part, Section 3.2 of 2000 edition);
— MODIFY and ADD the schematic diagram for the waterstop structure
(SEE Section 4.1 of this Part, Section 4.1 of 2000 edition);
— MODIFY the requirements for the appearance quality of the waterstop
(SEE Section 4.2 of this Part, Section 4.2 of 2000 edition);
— ADJUST and ADD the physical property indicators of the waterstop (SEE
Section 4.3 of this Part, Sections 4.3 and 4.4 of 2000 edition);
— MODIFY the test method of rubber and metal adhesion properties (SEE
Section 5.3.9 of this Part, Section 5.3.9 of 2000 edition);
— MODIFY the group-batching and sampling of the waterstop (SEE Section
6.1.1.1 of this Part, Section 6.1.1.1 of 2000 edition);
— MODIFY the inspection items of the waterstop (SEE Section 6.1.1.2 of
this Part, Section 6.1.1.2 of 2000 edition);
— ADD the requirements for periodic inspection of the waterstop (SEE
Section 6.1.3 of this Part);
— MODIFY the determination rules of the waterstop (SEE Section 6.2 of this
Part, Section 6.2 of 2000 edition);
— ADD the requirements for the storage temperature of the waterstop (SEE
Section 7.3 of this Part).
This Part was proposed by the China Petroleum and Chemical Industry
Federation.
This Part shall be under the jurisdiction of the Technical Subcommittee for
Rubber Sundries of National Technical Committee for Standardization of
Rubber and Rubber Products (SAC/TC 35/SC 7).
Drafting organizations of this Part. Beijing Chemical Products Quality
Supervision and Inspection Station, Shanghai Suiqiao Special Rubber Factory,
Zhuzhou Times New Material Technology Co., Ltd, Hengshui Baoli Engineering
Rubber Co., Ltd, Hengshui Zhongtiejian Engineering Rubber Co., Ltd, Jiangyin
Haida Rubber and Plastic Co., Ltd, Changzhou Hua’an Building Materials Co.,
Ltd, China Railway Tunnel Survey and Design Institute Co., Ltd, Fengze
Engineering Rubber S & T Development Co., Ltd, Hengshui Guiping
Engineering Rubber and Plastic Co., Ltd, Shanghai Zijiang Rubber Products
Co., Ltd, Sino Rubber Technology Co., Ltd, Hengshui Best Gold Composite
Material Technology Co., Ltd, Hebei Hengshui Yellow River Engineering Rubber
and Plastics Co., Ltd, and Hengshui Dayu Engineering Rubber and Plastic
Technology Development Co., Ltd.
Main drafters of this Part. Song Baoqing, Ni Jun, Liu Qingting, Wang Xihui,
Gong Xiaoneng, Gong Jian, Yao Meihua, He Weiguo, Zhang Peiji, Ji Zhitian,
Yao Yutang, Liu Baoquan, Sun Huijuan, Li Shiju and Zhang Quanxin.
The previous released edition substituted by this Part is as follows.
— GB 18173.2-2000.
Polymer water-proof materials - Part 2.Waterstop
1 Scope
This Part of GB 18173 specifies the classification and markings, requirements,
test methods, inspection rules, symbols, packaging, transportation and storage
of the waterstops made of polymer water-proof materials.
This Part is applicable to all or part of the rubber waterstops poured in the
concrete or adhered to the concrete surfaces, composite waterstops with
hydrophilic expansion rubber, rubber waterstops with steel edges, and rubber
waterstops and rubber composite waterstops for the pipe joints of immersed
tunnels (hereinafter referred to as “waterstops”).
2 Normative references
The following documents are essential to the application of this document. For
dated references, only the editions with the dates indicated are applicable to
this document. For undated references, only the latest editions (including all the
amendments) are applicable to this document.
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile
stress-strain properties
GB/T 529 Rubber, vulcanized or thermoplastic - Determination of tear
strength (trouser, angle and crescent test pieces)
GB/T 531.1 Rubber, vulcanized or thermoplastic - Determination of
indentation hardness - Part 1.Durometer method (Shore hardness)
GB/T 532 Rubber, vulcanized or thermoplastic - Determination of adhesion
to textile fabric
GB/T 2941 Rubber - General procedures for preparing and conditioning test
pieces for physical test methods
3 Classification and markings
3.1 Classification
3.1.1 The waterstops can be divided into three categories according to the
applications.
3.1.2 The waterstops can be divided into two categories according to the
structure type.
3.2.2 Marking examples
Example 1.Composite waterstops with steel edges for construction joints, which are 300mm wide and
8mm thick, shall be marked as. S-FG-300 × 8.
4 Requirements
4.1 Dimensional tolerances
The schematic diagram for the waterstop structure is shown in Figure 1.The
dimensional tolerances of the waterstop shall conform to the provisions of
Tables 1 and 2.
4.2 Appearance quality
4.2.1 The deviation of waterstop’s center hole is not allowed to exceed 1/3 of
the design value of the wall thickness.
4.2.2 It is not allowed to have cracks and sponge-like defects on the waterstop
surfaces.
4.3 Physical properties
4.3.1 The physical property requirements and corresponding test methods for
the rubber materials of waterstops shall conform to the provisions of Table 3.
4.3.2 The indicator of the tensile strength at the joints of the waterstop shall
not be less than 80% of the specified value in Table 3 (except the site
construction joints).
5 Test methods
5.1 Dimensional tolerances
USE a measuring tool to measure the specifications. The thickness and width
shall be respectively accurate to 0.05mm and 1mm. TAKE 1m of product at
random as sample (for the waterstop processed by molding vulcanization, at
least one joint shall be included). TAKE four points in the symmetrical position
on the product surface from both ends for measurement. TAKE the arithmetic
mean value of the results.
5.3 Physical properties
5.3.1 Test piece preparation and conditioning
CUT an enough length of product passing the specification and appearance
quality inspections as required by the test. CONDUCT the test piece
preparation according to the provisions of GB/T 2941.PLACE the test pieces
in standard status for 24h. CONDUCT the test according to the requirements of
Table 3.
5.3.6 Brittle temperature
The brittle temperature determination shall be carried out according to the
provisions of GB/T 15256.
5.3.7 Hot air ageing
The hot air ageing test shall be carried out according to the provisions of GB/T
3512.
5.3.8 Ozone ageing
The ozone ageing test shall be carried out according to the provisions of GB/T
7762.
5.3.9 Rubber and metal adhesion properties
5.3.9.1 Sample dimensions
As shown in Figure 2, USE finished products as test pieces during the rubber
and metal adhesion test. The test pieces shall be (20 ± 1) mm wide. The
adhesion length of rubber and steel plates l shall be the actual dimensions of
the product.
Figure 2 Test Piece for Rubber and Metal Adhesion
5.3.9.2 Test procedures
Respectively CLAMP the metal end and rubber end of the test piece on the
upper and lower chucks of the testing machine. STRETCH at a speed of (50 ±
5) mm/min. RECORD the damage type.
6 Inspection rules
6.1 Inspection classification
6.1.1 Exit-factory inspection
6.1.1.2 Inspection items
For the dimensional tolerances and appearance quality, CONDUCT exit-factory
inspection. For the hardness, tensile strength, elongation at break and tear
strength, CONDUCT exit-factory inspection batch by batch.
6.1.2 Type inspection
All the technical requirements for type inspection items are listed in this Part.
CONDUCT the type inspection under one of the following circumstances.
6.1.3 Periodic inspection
Under normal circumstance, CONDUCT the ozone ageing inspection at least
once a year. CONDUCT the brittle temperature inspection at least once every
six months. For the compression set, hot air ageing, rubber and metal adhesion
properties (only applicable to Type FG composite waterstops with steel edges)
and rubber and cord fabric adhesion strength (only applicable to Type JX
composite waterstops with cord fabric), CONDUCT the inspections once every
quarter.
6.2 Determination rules
6.2.1 If the dimensional tolerances, appearance quality and various physical
property indicators of rubber materials comply with the technical requirements,
the products will be determined as conforming.
7 Symbols, packaging, transportation and storage
7.1 USE appropriate materials not affecting the quality of waterstops for
packaging.
7.2 Each packaging shall have a product certificate, and shall be indicated
with product name, product marking, trademark, production license number,
manufacturing plant’s name and address, production date and product standard
number.
7.4 Under the condition of complying with the provisions of Section 7.3, the
product properties shall conform to the provisions of this Part within 12 months
since the date of production.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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