GB/T 13749-2022 in English
VALIDImpact pile driver—Code of practice of safety operation
- Issued on:2022-10-12
- Implemented on:2023-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
《GB/T 13749-2022冲击式打桩机 安全操作规程》由TC328（全国建筑施工机械与设备标准化技术委员会）归口，TC328SC2（全国建筑施工机械与设备标准化技术委员会基础施工设备分会）执行，主管部门为中国机械工业联合会。
Introduction
Key points of standard evolution and technology upgrade
| Technical dimension | 2003 edition | 2022 new edition | Upgrade range |
|---|---|---|---|
| Wire rope safety system | Specific coefficient not specified | Crane-type pile driver ≥6 times safety factor | ↑300% normativeness |
| Hydraulic pile hammer control | Single point operation | Multiple interlocking control + accumulator monitoring | ↑Safety level |
| Surface operation specifications | No special clauses | 7 new operational requirements | ↑Risk coverage rate |
Analysis of core technical specifications
Key equipment operation points
The new diesel pile hammer must follow: 1.5-2.5 times stroke preheating → intelligent throttle adjustment → emergency stop three-level safety control mechanism. The water cooling system clearly limits the cooling water hardness to ≤50mg/L to ensure heat dissipation efficiency.
Solutions for extreme working conditions
Safety guarantee for special operations
Dual control system for surface piling
- Dynamic ship stabilization indicators:Roll angle ≤5°|Pitch angle ≤3°|Positioning accuracy ±1m
- Synchronous operation procedures:Main crane-auxiliary crane load ratio ≤3:1|Closing translation rate ≤0.5m/s
Warning threshold for high-risk operations
| Monitoring parameters | Level 1 warning | Level 2 alarm | Emergency shutdown |
|---|---|---|---|
| Pile inclination | 1.5% | 2% | ≥2.5% |
| Hydraulic oil temperature | 75℃ | 85℃ | ≥95℃ |
Implementation suggestions and innovative development
Standardization upgrade path
- Establish an intelligent equipment monitoring platform, integrating online monitoring of wire rope stress + hammer energy feedback system
- Develop a digital operation cockpit to achieve online traceability and risk assessment of operating parameters
Technical innovation direction
Explore the application of composite material shock-absorbing base + 5G remote synchronous control system to improve the safety and efficiency of ultra-deep pile construction
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