GBJ22-1987 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GBJ 22-1987 | English | 150 |
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Specifications for the design of factory and mine roads
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GBJ22-1987: Specifications for the design of factory and mine roads---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/GBJ22-1987
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
GBJ 22-87
Specifications for the Design of Factory and
Mine Roads
Issued on: DECEMBER 15, 1987
Implemented on: AUGUST 1, 1988
Issued by State Planning Commission of the People's Republic of China
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Specifications for the Design of Factory and Mine Roads
Chief Development Department. Ministry of Communication of the People 's Republic of China
Approval Department. State Planning Commission of the People's Republic of China
Implementation Date. August 1, 1988
Beijing 1989
Table of Contents
General Provisions ... 1
2 Route ... 3
2.1 General Requirements ... 3
2.2 Out-of-factory Road ... 3
2.3 In-factory Road ... 13
2.4 Open Cut Mine Road ... 18
3 Roadbed ... 26
3 .1 General Requirements ... 26
3 .2 Roadbed Height ... 26
3.3 Roadbed Cross Section ... 27
3 .4 Compaction, Safety and Reinforcement of Roadbed ... 28
3 .5 Sub Grade Drainage ... 29
3.6 Roadbed Under Special Conditions ... 31
3.7 Land for Roads ... 34
4 Road Surface ... 35
4.1 General Requirements ... 3 5
4.2 Flexible Pavement ... 3 8
4.3 Cement Concrete Pavement ... 43
4.4 Road Surface Rebuild ... 48
4.5 Sidewalk Pave1nent ... 49
5 Bridge and Culvert ... 50
5 .1 General Provisions ... 50
5 .2 Location of the Bridge and Culvert ... 51
5.3 Opening Size of the Bridge and Culve11 ... 51
5.4 Clearance of the Bridge and Culve11 ... 53
5 .5 Loading Standard ... 54
5.6 Structure of the Bridge and Culve11 ... 64
5 .7 Bridge and Culvert Base ... 65
5. 8 Pavement of the Bridge Deck, Drainage and Waterproof Layer ... 67
5 .9 Regulating Structure and Preventive Works ... 68
6 Route Intersection ... 69
6.1 Level Crossing ... 69
6.2 Ve1iical Crossing ... 71
7 Facilities Along the Line and Other Projects ... 72
7 .1 Safety Device ... 72
7.2 Subsidiary Facilities ... 73
7. 3 Ferry ... 74
7.4 Tunnel ... 74
7 .5 Greening ... 77
' Appendix A Construction Gauge of the Factory-and-mine Road ... 78
Appendix B Passing Track ... 79
Appendix C Calculation of the Length of the Attainment of Superelevation ... 80
Appendix D Calculation of Horizontal Clear Distance ... 81
Appendix E Parameter of Heavy-duty Auto-dumper Used in Pavement Design ... 83
Appendix F Textural Association Type and Thickness of the Sidewalk Pavement in Common Use. 85
Appendix G Contrast and Conversion Table of the Conventional Unit of Measurement and Legal
Unit of Measure1nent ... 87
Appendix H Wording Explanation of This Code ... 88
1 General Provisions
1.0.1 This code is formulated to make factory and mine roads design complying with state policies
and principles. This shall be implemented in view of general planning of factory and mine enterprises
and overall consideration. The design shall be reasonable, economical, and safe and be with state-of-
art technology and high quality.
1.0.2 This Code is applicable to newly built, rebuilt factory and mine roads design but not to the
road planning in forest area.
1.0.3 Factory and mine roads should be, according to the following stipulations, divided into in-
factory road and open cut mine road.
1 Out-of-factory roads connect factory and mine enterprises with highway, urban highway,
station, port, raw material site and other factory and mine enterprises; or roads connecting sporadic
factory (field) and residential areas of one factory and mine enterprise; or subsidiary road connecting
auxiliary facilities out of factory and mine enterprises( exclusive of open cut mine).
2 In-factory road refers to roads within factory (field) area, reservoir area, and station area and
harbor district.
3 Open cut mine roads, within mining area, connect mining field and turnover points, dumper
road factory (field) areas; or connect subsidiary factory (workshop) and different kinds of auxiliary
facilities.
1.0.4 Factory and mine roads design shall save land and occupy no or little cultivated land; design
shall make convenience for farm irrigation and drainage . Soil conservation and environmental
protection shall be paid attention to. Principles of "treatment in accordance with local conditions and
use local materials" shall be complied with. Industry byproduct and waste residue shall be made the
most of so as to reduce construction cost.
1.0.5 Factory and mine roads design shall meet the need of factory and mine enterprises production
(including overhaul and installation) and other requirements of communication and transportation.
Off-gauge goods during factory and mine fundamental construction (large/heavy) can be taken into
consideration according to specific circumstances.
Grade and the key technical indexes of factory and mine roads shall refer to factory and mine
scale, type of business, road nature, operational requirement (include road lifetime), traffic capacity
(include pedestrians) and vehicle type. If the roads are too long and changes are big along the road,
road can is designed section by section according to different grade and technology indexes.
As for factory and mine roads design to be carried out in different periods, finished project shall
be made the most of in the latter period.
1.0.6 Remodeled factory and mine roads design shall make good and reseasonable use of original
roads, bridges and culve11s. If stretch of original road cannot meet this code, with technical economy
comparison and corresponding measures taken for safety, change can be made to few technology
index in this code; it shall be examined and approved by depaiiments; if original roads cannot be used
and route shall be relocated, new road shall conform to newly built factory and mine roads design.
1.0.7 Factory and mine roads design shall be easy for routine maintenance and the works.
2 Route
2.1 General Requirements
2.1.1 Route design of factory and mine roads shall conform to requirements of factory and mine
enterprises master planning or general arrangement. According to road nature and operational
requirement, terrain shall be made reasonable use of and technology index shall be used in a right
way.
2.1.2 Factory and mine roads route design shall take aspects like "smooth, ve1tical and horizontal"
into consideration; longitudinal slope shall be even and horizontal surface shall be reasonable. It is
requested not to damage impo1tant historic relics, not to relocate to many buildings . Route shall be
away from seismic station or other terrain feature signs.
2.1.3 As for stretch of road with destructive large vehicles (like caterpillar tractor) , supplement road
shall be set and other measures shall be taken. Road for special purposes (like special proving road)
can be designed according to specific circumstances.
2.1.4 Out-of-factory road shall be away from segment with bad geology conditions, worked- out
area, subsurface mine and dynamited hazardous location without safety measures. Out-of-factory road
design shall meet requirements of factory and mine enterprises and local traffic.
2.1.5 In-factory road design shall benefit production and make life easier Layout of in- factory road
shall be parallel to building axis and meet relevant regulations of national defense and anti-vibration.
In-factory road ve1tical section design shall be coordinated with in-factory elevation planning, 111-
factory building and structure, pipeline and railway design.
2.1.6 Design of open cut mine road shall taken into consideration of mine te1rnin, geology, exploitation
bound, exploitation direction, exploitation step height, dump point, waste dump position, mining technique,
hillside exploitation requirement, deep mining requirement and ...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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