GB/T 39656-2020 English PDF

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GB/T 39656-2020: Technical requirements for dredging system design of self-propelled trailing suction hopper dredger
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39656-2020	229	Add to Cart	3 days	Technical requirements for dredging system design of self-propelled trailing suction hopper dredger	Valid

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Basic data

Standard ID: GB/T 39656-2020 (GB/T39656-2020)
Description (Translated English): Technical requirements for dredging system design of self-propelled trailing suction hopper dredger
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U34
Classification of International Standard: 47.020.01
Word Count Estimation: 12,171
Date of Issue: 2020-12-14
Date of Implementation: 2021-07-01
Quoted Standard: GB/T 17843
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the design basis, design requirements, technical documents and design verification of the dredging system of a self-propelled trailing suction dredger. This standard applies to the design, manufacture and transformation of the dredging system of self-propelled trailing suction dredgers.

GB/T 39656-2020: Technical requirements for dredging system design of self-propelled trailing suction hopper dredger

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Design technical requirements for dredging system of self-propelled trailing suction dredger) ICS 47:020:01 U34 National Standards of People's Republic of China Design technical requirements for dredging system of self-propelled trailing suction dredger 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Design basis 3 5 Design requirements 3 5:1 General requirements 3 5:2 Mining system 3 5:3 Mud pump 4 5:4 Loading system 4 5:5 Unloading system 5 5:6 Dredging monitoring system 6 5:7 Output measurement system 6 5:8 Suction/Drainage Piping 6 5:9 High-pressure flushing system 6 6 Technical documents 6 7 Design verification 7 Appendix A (Normative Appendix) Main content of the design task book for the dredging system of the trailing suction dredger 8

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009: This standard was proposed by the Ministry of Transport of the People's Republic of China: This standard is organized by the National Port Standardization Technical Committee (SAC/TC530) and the National Ocean Shipping Standardization Technical Committee (SAC/TC530) TC12) Commonly managed: Drafting organizations of this standard: China Communications Construction Co:, Ltd:, CCCC Dredging (Group) Co:, Ltd:, CCCC Shanghai Waterway Bureau Co:, Ltd:, China-Hong Kong Dredging Co:, Ltd:, China Communications Dredging Technology and Equipment National Engineering Research Center Co:, Ltd:, China State Shipbuilding Corporation 708 Research Institute, Shanghai Communications Construction General Contracting Co:, Ltd:, CCCC Shanghai Navigation Bureau Waterway Construction Co:, Ltd:, CCCC Tianjin Waterway Bureau Co:, Ltd: Division, CCCC Guangzhou Waterway Bureau Co:, Ltd:, CCCC Tianjin Port and Shipping Survey Design and Research Institute Co:, Ltd:, CCCC Guangzhou Water Transport Engineering Design and Research Institute Co:, Ltd:, China Communications Xingyu Technology Co:, Ltd: The main drafters of this standard: Hou Xiaoming, Tian Junfeng, Fei Long, Liu Ruoyuan, Gu Yong, Zhu Rong, Li Ning, Jinhua, Yang Shu, Zhao Yanfei, Shi Jian, Hong Guojun, Miao Yuanquan, Zheng Tangwen, Wang Jian, Zhong Zhisheng: Design technical requirements for dredging system of self-propelled trailing suction dredger

1 Scope

This standard specifies the design basis, design requirements, technical documents and design verification of the dredging system of a self-propelled trailing suction dredger: This standard applies to the design, manufacture and transformation of dredging systems for self-propelled trailing suction dredgers:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 17843 Terminology for ships and marine technical dredgers GB/T 29135 Dredging Monitoring System for Trailing Suction Dredger Rules for Classification of Sea-going Steel Ships, China Classification Society Code for construction of steel inland water vessels, China Classification Society Code for the construction of domestic ships, China Classification Society Rules for the classification of domestic ships, China Classification Society Technical Regulations for Statutory Inspection of Sea-going Ships in International Navigation, Maritime Safety Administration Technical Rules for Statutory Inspection of Domestic Ships, Maritime Safety Administration Technical Rules for Statutory Inspection of Inland Water Vessels, Maritime Safety Administration of the People's Republic of China

3 Terms and definitions

The following terms and definitions defined in GB/T 17843 apply to this document: 3:1 Maximum operating draft maxdredgingdraught The full-load draft of a self-propelled trailing suction dredger during dredging operations: 3:2 Dredgingspeed The speed of a self-propelled trailing suction dredger relative to the ground during dredging operations: Note: The unit is knot (knot): 3:3 Activedraghead The angle of the movable cover of the drag head relative to the fixed body can be adjusted in real time: 3:4 Undisturbed soil Soil that maintains natural structure and moisture content: 3:5 Glandwater Pressure water used to prevent wear of mud pump suction end and shaft end: ......

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