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TR1305L Hydraulic Casing Rotator For Urban Subway Construction
Introduction to construction method
The TR1305L hydraulic casing rotator is a new type drill with the
integration of the full hydraulic power and transmission, and the
combination control of machine, power and fluid. TR1305L hydraulic
casing rotator is a new, environmentally-friendly and highly
efficient drilling technology. In recent years, TR1305L hydraulic
casing rotator is widely adopted in the projects such as the
constructions of urban subway, articulation pile of deep foundation
pit enclosure, clearance of waste piles ( underground obstructions
), high-speed rail, road and bridge, and urban construction piles,
as well as the reinforcement of reservoir dam.
The successful research of this brand new process method has
realized the possibilities for the construction workers to conduct
the construction of casing pipe, displacement pile, and underground
continuous wall, as well as the possibilities for the pipe-jacking
and shield tunnel to pass through the various pile foundations
without barriers, when the obstructions, such as the gravel and
boulder formation, cave formation, thick quicksand stratum, strong
necking down formation, various pile foundation and steel
reinforced concrete structure, are not removed.
The construction method of casing rotator has successfully
completed construction missions of more than 5000 projects at
places of Singapore, Japan, Hongkong District, Shanghai, Hangzhou,
Beijing and Tianjin. It certainly will play a bigger role in the
future urban construction and other pile foundation construction
fields.
Technical parameters
TR1305L | |||
Working device | Diameter of drill hole | mm | Φ600-Φ1300 |
Rotary torque | KN.m | 1770/1050/590 | |
Rotary speed | rpm | 1.5/2.6/4.5 | |
Lower pressure of sleeve | KN | Max.360KN+Dead weight190KN | |
Pulling force of sleeve | KN | 2690 | |
Pressure-pulling stroke | mm | 500 | |
Weight | ton | 25 | |
Hydraulic power station | Engine model | Y2-280M-4 | |
Engine Power | Kw/rpm | 2*90/1480 | |
Weight | ton | 4 | |
Control mode | Wired remote control |
The advantages of adopting the R1305L hydraulic casing rotator for
construction
1. No noise, no vibration, and high safety;
2. Without mud, clean working surface, good environmental
friendliness, avoiding the possibility for mud to enter the
concrete, high pile quality, enhancing the bond stress of concrete
to the steel bar;
3. During construction drilling, the characteristics of stratum and
rock can be directly distinguished;
4. The drilling speed is fast and reaches about 14m/h for the
general soil layer;
5. The drilling depth is large and reaches about 80m according to
the situation of soil layer;
6. The hole forming verticality is easy to master, which can be
accurate to 1/500;
7. No hole collapse will be caused, and the hole forming quality is
high.
8. The hole forming diameter is standard, with little filling
factor. Being compared with other hole forming methods, it can save
a lot of concrete usage;
9. The hole clearing is thorough and fast. The drilling mud at the
hole bottom can be clear to about 3.0cm.
Quantity(Sets) | 1 - 1 | >1 |
Est. Time(days) | 30 | To be negotiated |