GB/T 41216-2021 in English
VALIDMarine combine connecting line for mooring
- Issued on:2021-12-31
- Implemented on:2022-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
| Standard No: | GB/T 41216-2021 |
| Document status: | VALID |
| Title in English: | Marine combine connecting line for mooring |
| Title in Chinese: | 船用系泊组合连接索 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2021-12-31 |
| Implemented on: | 2022-07-01 |
| ICS Classification: | 47.020.50-Deck equipment and installations |
| Chinese Classification: | U21-Mooring fittings |
| Professional Classification: | GB-National Standard |
| Related Keywords: | ocimf mooring guide requirements
ultra-high molecular weight polyethylene fiber rope minimum breaking load standard technical elements steel wire rope tail rope mbl rope design |
| Related Topics: | gb/20118
Search GBT41216 GB/T 41216-2021 |
《GB/T 41216-2021船用系泊组合连接索》由TC129（全国船舶舾装标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
Analysis of the core content of the standard
| Technical elements | Steel wire rope mooring rope | Ultra-high molecular weight polyethylene fiber rope |
|---|---|---|
| Minimum breaking load (MBL) | 100%-105% of design load | 100%-105% of design load |
| Ultimate working load (WLL) | 55% of MBL | 50% of MBL |
| Typical diameter range | 34-48mm | 32-46mm |
Key technical requirements
The standard stipulates that the breaking load of the guide rope shackle must be 3 times the mooring rope WLL, and the tail rope MBL should be 125%-130% of the mooring rope design breaking load. The specific resistance of the anti-static combined rope must be controlled within the range of 1×105-5×106Ω/m.
Implementation and application recommendations
1. Selection guidance: Liquid cargo ships should give priority to roller-type combined ropes (T-type), whose roller-type shackles can reduce friction loss during mooring
2. Inspection points: Tensile load test must be carried out before leaving the factory, and the guide rope shackle must remain under the test load for ≥5 minutes without permanent deformation
3. Maintenance recommendations: The anti-wear sheath at the fiber rope buckle should be checked regularly, and the wire rope should be stored away from corrosive media
Background of standard evolution
This standard integrates the ISO1140:2021 fiber rope standard and the OCIMF mooring guide requirements, and for the first time incorporates Ultra-high molecular weight polyethylene fiber rope into the marine mooring standard system reflects the application trend of new materials in the marine field.
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