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Heavy-Duty TRD Method (Trench Cutting Re-mixing Deep Wall Method) Machine
TRD-70 TRD method (Trench Cutting Re-mixing Deep Wall Method) machine is a heavy-duty equipment specialized in constructing uniform-thickness cement-soil mixing walls. It plays a vital role in various foundation engineering projects. In 2022, it passed the preliminary approval for the establishment of the "Wuxi TRD Engineering Technology Research Center" and obtained the corresponding certification. This equipment has become a key choice for deep foundation engineering applications.
Applications:
1. Deep Foundation Support - Ideal for metro stations and utility tunnels, effectively building waterproof curtains and retaining walls.
2. Environmental Protection - Constructs anti-seepage barriers for landfills and contaminated industrial sites.
3. Water Conservancy Projects - Widely used in seepage prevention and bank reinforcement for dams and embankments.
Features:
1. Dual-Power System - Combines a diesel engine (main) and electric motor (auxiliary) for reliable operation.
2. Adjustable Dimensions - Maximum depth of 70m with wall width adjustable from 550-900mm.
3. Advanced Technology - Innovative dual-power system, intelligent controls and stable chassis ensure reliable performance.
Advantages
1. Superior Ground Adaptability - Excellent performance across varied geological conditions.
2. Stable Crawler Chassis - Unique walking mechanism ensures lower ground pressure and enhanced stability in deep/hard strata.
3. Intelligent Control System - Real-time monitoring and automatic deviation correction for consistent wall quality.
4. Built-in Safety Protection - Cutting torque control prevents overloads and improves operational safety.
5. Proven Complex Ground Capability - Effective in gravel layers (up to Ø100mm) and soft rock (UCS ≤5MPa) - the preferred solution for challenging sites.
6. Reliable Operation & Support - Premium hydraulic/electrical components ensure durability, with full in-house manufacturing and technical support for core parts.
| Equipment model | TRD-70 | ||
| Main power parameters | Engine/electric motor power(kw) | 387 | |
| Rated pressure(MPa) | 25 | ||
| Auxiliary power parameters | Electric motor power(kw) | 90 | |
| Rated pressure(MPa) | 25/20 | ||
| Cutting parameters | Standard excavation depth(m) | 45(Max. 70) | |
| Excavation width(mm) | 550~850(Max. 900) | ||
| Cutting speed(m/min) | 7~70 | ||
| Action parameters | Track chain tensioning stroke(mm) | 400 | |
| Lifting stroke(mm) | 5000 | ||
| Pull-out force/crowd force(kN) | 1300/650 | ||
| Lateral travel(mm) | 1200 | ||
| Lateral thrust/pull force(kN) | 627/470 | ||
| Tilt cylinder stroke(mm) | 1000 | ||
| Mast left/right tilt angle(°) | ±5 | ||
| Mast Fore/Aft tilt angle(°) | ±6 | ||
| Chassis parameters | Max. jacking leg clearance(mm) | 400 | |
| Traverse step length(mm) | 2000 | ||
| Longitudinal step length(mm) | 600 | ||
| Ballast weight(kg) | 25000 | ||
Whole machine parameters |
Machine weight(excluding cutter box)(kg) | ≈120000 | |
| Vertical dimension(excluding cutter box)(mm) | 12800*8625*10720 | ||
| Total power consumption(kw) | ≈500 | ||
Q: Are you original manufacturer?
A: Yes, Dunyu is manufactured in jet grouting, multi-functional and anchoring drilling rig machinery in China for more than 10 years.
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