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SL 284-2003Seabuckthornnursery-stock (English PDF)

沙棘苗木

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Issued by

Ministry of Water Resources of the People's Republic of China

Level / Type

National · Mandatory

Issue date

March 25, 2003

Implementation date

June 1, 2003

Scope

SL 284-2003 is the English-translated version of 沙棘苗木.

SL 284-2003 is the Chinese standard "Seabuckthornnursery-stock". This standard specifies: seabuckthorn cultivation adopted Chinese seabuckthorn definition, classification requirements, test methods, inspection rules.

This standard applies to: China's"Three North" and the southwest sea buckthorn Suitable areas, sea buckthorn seedlings in open field cultivation means bare root seedlings and protected in nurturing seedlings.

This standard applies only to Chinese sea buckthorn (Hipppopha, rhamnoide, Linn. subsp. sinensis), may refer to other species of sea buckthorn. Issued on 3/25/2003, in force from 2003-06-01. It cites 3 other standards.

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Document preview — SL 284-2003

National Standard of the People's Republic of China

Classification: B61

[Preview only]
1 General Provisions
2 Terms and Symbols
2.1 Terms
2.2 Symbols
3 Soil Erosion Type Division
3.1 Grade 1 Type Area
3.2 Grade II Type Area
3.3 Scope and Feature
4 Soil Erosion Intensity Graduation
4.1 INTENSITY GRADUATION OF WATER EROSION AND GRAVITY EROSION
4.2 WIND EROSION AND MIXING EROSION (DEBRIS FLOW) INTENSITY GRADUATION
4.3 Layout of Multipurpose Tunnel
5 Soil Erosion Degree Graduation
5.1 Selection of Pressure State
5.2 Sectional Shape
5.3 Sectional Dimension
6 Hydraulic Design of Tunnel
6.1 Calculation Principle
6.2 Anti-cavitation Design of Hydraulic Tunnel with High Velocity
7 Design of Soil Tunnel
7.1 Support and Lining of Soil Tunnel
7.2 Joint Division of Soil Tunnel Lining and its Anti-Seepage and Waterstop
8 Design of Tunnel Section at Adverse Geology
9 Tunnel Support and Lining
9.1 General Requirements
9.2 Loads and Load Combinations
9.3 Concrete and Reinforced Concrete lining
9.4 Prestressed Concrete Lining
9.5 Unlined and Anchor-shotcrete Lined Tunnel
9.6 Design of Reinforced Concrete Lining Bifurcated Tunnel
9.7 Joints on Lining
9.8 Design of Water Retaining Jam

1 Foreword

SL 284-2003 was issued by Ministry of Water Resources of the People's Republic of China on 25 March 2003 and has been in force since 1 June 2003.

The SL prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

The document runs to 8 pages in English translation.

2 Scope Preview

This standard specifies: seabuckthorn cultivation adopted Chinese seabuckthorn definition, classification requirements, test methods, inspection rules. This standard applies to: China's"Three North" and the southwest sea buckthorn Suitable areas, sea buckthorn seedlings in open field cultivation means bare root seedlings and protected in nurturing seedlings. This standard applies only to Chinese sea buckthorn (Hipppopha, rhamnoide, Linn. subsp. sinensis), may refer to other species of sea buckthorn.

SL 284-2003 is filed under Chinese Standard Classification B61, in the field of agriculture and forestry.

This catalogue holds 363 other SL standards without an ICS number.

In this catalogue, SL standards carry edition years from 1989 to 2020.

3 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document.

People's Republic of China State Council Decree No. 98

1992

" Plant Quarantine Regulations Implementing Rules " (Agriculture) 1993

4 About this standard

Issued by: Ministry of Water Resources of the People's Republic of China

English translation: about 8 pages (approximate)

5 Related standards

Standards on related subjects:

LY/T 2407-2015 — Norm of techniques for estimation of forest economic values

GB/T 30762-2014 — Quality grading standards of main bamboo shoot

6 Classification and status

Chinese Standard Classification (CCS): B 61

Prefix SL: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

People's Republic of China State Council Decree No. 98 · 1992 · " Plant Quarantine Regulations Implementing Rules " (Agriculture) 1993

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