TB 10118-2006 PDF in English
TB 10118-2006 (TB10118-2006) PDF English
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Code for design for applications of geosynthetics on subgrade of railway
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Technical code for geosynthetic application on subgrade of railway
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Standards related to (historical): TB 10118-2006
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TB 10118-2006: PDF in English GB/T 32388-2015
UDC TB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
J 532-2006
Code for design for applications of
geosynthetics on subgrade of railway
ISSUED ON. JUNE 25, 2015
IMPLEMENTED ON. JUNE 25, 2006
Issued by. Ministry of Railways of the People’s Republic of China
Table of Contents
1 General ... 7
2 Terms and symbols ... 7
3 Basic requirements ... 11
4 Bed strengthening and treatment ... 12
5 Subgrade protection ... 17
6 Subgrade drainage ... 22
7 Reinforcement soil engineering ... 28
8 Foundation treatment ... 36
Explanation of wording in this code ... 42
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
Code for design for applications of
geosynthetics on subgrade of railway
J 532-2006
Main drafting organization of this Standard.
The Fourth Survey and Design Institute of China Railway
Implementation date. June 25, 2006
China Railway Publishing House
Beijing 2006
Notice on Publishing "Code for design for
applications of geosynthetics on subgrade of railway"
Tie Jian She [2006] No. 117
"Code for design for applications of geosynthetics on subgrade of railway"
(TB 10118-2006) is issued upon review (besides, the offprint is issued) and
will be implemented from the issue date." Technical code for geosynthetic
application on subgrade of railway" (TB 10118-99) shall be abolished
simultaneously.
Department of Construction and Management of the Ministry of Railways is in
charge of the explanations of this standard. Authorized by the Technical
Standard Institute for Railway Engineering, China Railway Publishing House
organizes the publishing and issuing.
The Ministry of Railways of the People's Republic of China
June 25, 2006
Foreword
This Code was revised on the basis of "Technical code for geosynthetic
application on subgrade of railway" (TB 10118-99) upon the requirements of
"Notice on Printing (Railway Engineering Construction Code, Rating and
Standard Design and Development Plan in 2003)" (Tie Jian She Han [2003]
No. 41) issued by the Ministry of Railways.
This Code was revised by seriously summarizing the railway subgrade
construction experiences and lessons in China and using the requirements of
the relevant domestic and foreign standards for reference.
The engineering technical personnel must treat in accordance with local
conditions, give full play to the subjective motility, positively adopt safe,
reliable, advanced, mature, economic and applicable new technologies
according to the railway construction logos of "people oriented, serving for
transportation, emphasizing priorities and streamline procedures, system
optimization, and focusing on development", in combination of the specific
circumstance of engineering, and shall not apply the standards mechanically.
The reconnaissance and design organization shall implement (or adopt)
single or local standards, but that will not exempt design organization and
designers from their legal responsibilities on problems in the whole
engineering and the system service quality.
This Code comprises 8 chapters, with the main contents as follows. General
Provisions, Terms and Symbols, Basic Requirements, Bed Strengthening and
Treatment, Subgrade Protection, Subgrade Drainage, Reinforcement Soil
Engineering and Foundation Treatment.
The significant changes in this revision include.
1. The application scope was modified to the design for the applications of
geosynthetics on subgrade of railway;
2. The Section-"Construction quality inspection" in the former code was
deleted;
3. The Chapter-"Basic requirements" was added;
4. The requirements for the application of new-type mature geosynthetics
in the subgrade protection and severe cold zone were added;
5. The requirements for flexible permeable hoses constituting drainage
system were added;
6. The reinforcement soil retaining wall tie-piece materials were defined
and the calculation formula for the inflection envelop length of
enveloped-type retaining wall was added;
7. It was defined that the buckling safety factor of geosynthetics
reinforcement soil embankment shall not be less than 1.3;
8. The contents of embankment filling interface reinforcement were added;
9. The requirements for the soft soil foundation strengthening and saline
soil subgrade separation were revised;
10. The relevant requirements for the geosynthetics construction were
supplemented and modified.
The provisions printed in bold type in this Code are compulsory and must be
enforced strictly.
During the process of implementing this Code, all relevant organizations are
expected to sum up and accumulate your experience earnestly combining
with the engineering practice.
The modification and supplemental opinions, if any, and relevant materials
shall be timely posted or passed on to the Fourth Survey and Design Institute
of China Railway (Address. No. 745, Heping Avenue, Yangyuan Street,
Wuchang District, Wuhan City, Hubei Province, 430063) and copied to the
Economic and Planning Research Institute of the Ministry of Railways
(Address. No. 8 A, Yangfangdian Road, Haidian District, Beijing, 100038) for
future reference.
Department of Construction and Management of the Ministry of Railways is in
charge of the explanation of this Code.
Main drafting organization of this Code. The Fourth Survey and Design
Institute of China Railway
The drafting organizations of this Code. The First Survey and Design Institute
of China Railway, the Second Survey and Design Institute of China Railway,
the Third Survey and Design Institute of China Railway.
Main drafters of this Code. Li Xiaohe, Qin Lixin, Bao Liming, Feng Junde, Wu
Lianhai.
Code for design for applications of
geosynthetics on subgrade of railway
1 General
1.0.1 This Code is formulated with a view to standardizing the technical
requirements for the application of geosynthetics on subgrade of railway,
improving the engineering quality of subgrade of railway, and meeting the
requirements of railway engineering construction.
1.0.2 This Code is applicable to the design for the applications of
geosynthetics on subgrade of railway.
1.0.3 The applications of geosynthetics on subgrade of railway shall be
designed according to the railway grade, structural type of subgrade, as well
as geological, hydrological and meteorological conditions. The design shall
comply with the principles of adaptation to local conditions, safety and
reliability, economy and rationality, and integrated application with other
engineering materials and measures.
1.0.4 The applications of geosynthetics on subgrade of railway shall not
only comply with this Code, but also meet those specified in the relevant
current compulsory standards of the state.
2 Terms and symbols
2.1 Terms
2.1.1 geosynthetics
Generic term of the synthetic materials products applied in the geotechnical
engineering
2.1.2 geotextile
Permeable cloth geosynthetics made of polymer fibers as the raw material
2.1.3 woven geotextile
Geotextile woven with fiber yarn or filament yarn along a certain direction
2.1.4 nonwoven geotextile
Geotextile made of thin batts, made of short fiber or filament yarn arrayed
randomly or in a fixed direction, by mechanical bond, hot sticking or melting
sticking process.
2.1.5 geomembrane
A kind of relatively-water-proof film made of polymer or asphalt
2.1.6 composite geosynthetic
Geosynthetics composited by two or more geotextile, geomembrane or other
materials
2.1.7 composite geomembrane
Impervious material combined by geotextile or other materials and
geomembrane, which may be classified into cross drain type and
reinforcement type upon the main functions.
2.1.8 composite geodrain
Geodrain made of geotextile wrapping the core materials of different shapes
and materials
2.1.9 strip geodrain
Vertical drain material made of plastic strip drain core materials in different
shapes externally wrapped with nonwoven geotextile; strip geodrain is a kind
of composite geodrain
2.1.10 special geosynthetic
Geosynthetic made by special processes and with special purposes
2.1.11 geofabriform
Continuous (or separate) bag-shaped materials made of double-layer
geotextiles, of which the poured concrete or mortar condenses to the
structures in plate shape or other shapes
2.1.12 geonet
Plane-net-shaped geosynthetics fabricated through extrusion or hot sticking
process
2.1.13 plastic geogrid
Grid-shaped geosynthetics made of polymers such as high-density
polyethylene through extrusion and tension process
2.1.14 warp-knitted geogrid
Geogrid products made of high-strength dacron or fiber glass as the raw
material, by biaxial knitting technology and polyvinyl chloride or modified
asphalt coating finish process.
2.1.15 geocell
Three-dimensional geosynthetics products, with honeycomb structures,
welded or assembled by the geosynthetics pieces
2.1.16 geomat
Three-dimensional net-shaped geosynthetics made of thread-line synthetic
materials through a certain process treatment and by fusing on the no...
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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