What is the standard for breaker hammer cover: Analysis of hot topics on the entire network in the past 10 days
Recently, the discussion on "what quota for breaker casing" has continued to heat up in the field of engineering construction. This article combines the hot content of the entire network for the past 10 days and conducts structured analysis from the perspectives of quota definition, applicable scenarios, market data, etc. to help readers quickly grasp the core information.
1. Analysis of the quota standard
The construction quota of broken hammers is mainly divided based on the complexity of working conditions and equipment model. The following are common categories:
| Quota number | Applicable scenarios | Unit of measurement | Reference price (yuan) |
|---|---|---|---|
| GD-202 | Rock crushing (hardness ≤50MPa) | m³ | 85-120 |
| GD-205 | Concrete removal (thickness ≥30cm) | m² | 60-90 |
| GD-208 | Frozen soil crushed (below -15℃) | m³ | 150-200 |
2. Hot data tracking
According to the latest statistics from the Engineering Machinery Association in May, the use of broken hammers nationwide showed regional differentiation:
| area | Weekly usage (on-hour shift) | Changes month-on-month | Mainstream brands |
|---|---|---|---|
| East China | 4200 | +12% | Furukawa, Eddie |
| South China | 3800 | +5% | Water and mountains, shocking |
| North China | 3100 | -8% | Doosan, Carter |
3. Technical parameter comparison
There are significant differences in the quota conversion coefficients of different power breakers:
| Hammer head weight (kg) | Impact energy (joule) | Quota adjustment coefficient | Applicable equipment tonnage |
|---|---|---|---|
| 800-1200 | 3000-4500 | 1.0 (benchmark) | 20-30 tons |
| 1500-2000 | 6000-8000 | 1.25 | 35-45 tons |
| 2500+ | 10000+ | 1.6 | More than 50 tons |
4. Analysis of the focus of disputes
Three hot issues in recent industry forums:
1.Super dig controversy: There are regional differences in whether the over-excavated part after crushing is included in the quota. Zhejiang, Guangdong and other places clearly require separate items to be listed.
2.Session calculation: Whether the fuel surcharge is included in the quota has sparked discussion. The new 2024 version of the new regulations intends to include oil price fluctuations in dynamic adjustments
3.Environmental protection restrictions: Beijing, Shanghai and other cities have put forward decibel restrictions on night crushing construction, resulting in a 20-30% shortening of effective operating time
5. Operation suggestions
1. Before construction, be sure to check the latest supplementary instructions released by local quota stations (such as Jiangsu's new basalt crushing special sub-project in the second quarter of 2024)
2. It is recommended to adopt"Broken Hammer + Hydraulic Shear"Combined construction plan can improve the removal efficiency of reinforced coagulation structure by more than 40%
3. Pay attention to the "Smart Crushing Construction Measuring Standards" being formulated by the Ministry of Housing and Urban-Rural Development, and it is expected to introduce real-time data of IoT equipment as the basis for settlement
Conclusion
The determination of the breaker quota requires a comprehensive combination of mechanical properties, geological conditions and local policies. It is recommended that engineering units establish a dynamic database to timely update the actual consumption data under different working conditions to provide empirical basis for quota disputes. With the popularization of prefabricated buildings, the quota system for crushed construction in the future may usher in a systematic reconstruction.
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