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Pipe jacking machines use shield technology to excavate soil or rock with a rotating cutter head, removing the excavated material via a mud conveying system while hydraulic jacks push precast pipes into the tunnel and grout stabilizes the walls.
These machines are applied in diverse municipal and civil projects, including building underground water supply/drainage systems, installing gas pipelines, optical cables, and constructing subway tunnels, minimizing surface disruption.
Regarding types, the slurry balance machine suits various soil and high - groundwater conditions; the Earth Pressure Balance Machine is for soft to medium - hard soils; and the rock machine, equipped with powerful tools, is for rock formations and even mixed soil - rock conditions. They are key to modern underground construction.
Customized high-power engine with dual drive power head and large output torque, which can meet the requirements of complex formation construction and high construction efficiency.
The APX series mud solidification equipment is an efficient treatment solution capable of converting waste slurry into dry residue and clearwater, which can be easily transported or reused, This equipment is suitable for various applications, including reverse circulation drilling rigs, impact drilling, diaphragm wall-grab buckets, trench cutters, trenchless projects sand washing, river dredging, and municipal sludge treatment. The APX series features a modular design, allowing for convenient hoisting, transportation, and low site requirements, with the option for vehicle-mounted operation. It offers high work efficiency.stable treatment performance, low moisture content in the solidified sludge, and clear water discharge that meets environmental standards.The APX series includes the following models: APX50, APX100, APX200, and APX500.
Recent Articles
Spherical hobs are very mature and are widely used in many equipment, such as rotary drilling rigs, RCD, pipe jacking machines, etc. By analyzing the use of ball-tooth hobs on the above equipment, it can be known that when there is sufficient propulsion pressure and the rock layer strength is about 130MPa, the footage speed of the spherical tooth hob can be maintained at 0.3~0.5m/ h. And the footage speed is relatively stable. When the spoil discharge is sufficient, the service life of one spherical tooth hob can reach a construction length of 300m.
A heavy-duty device that rotates and advances casing pipes during drilling or piling operations, ensuring precise alignment and efficient installation. Compatible with various diameters, it enhances productivity in construction, tunneling, and oil/gas applications. Hydraulic or electric-powered for reliable performance.
CSM construction method is a new foundation construction technology that applies double-wheel milling technology to deep mixing. The principle of this process is to fully mix the original soil and inject cement slurry by rotating the two-wheel mixing head, so as to build a wall with certain mechanical properties and anti-seepage effect.
APIE AHG Series Hydraulic Grab is a product developed and designed based on decades of experience in diaphragm wall construction and equip-ment development in China.It addresses various issues encountered with similar equipment during construction, adapting to complex geological conditions both domestically and internationally.This helps reduce customer usage costs and create value for clients.
The chain knife underground diaphragm wall forming machine is a powerful tool for underground foundation construction, widely applied in various projects such as construction and revetment works. It mixes the original soil and injects grout through chain saw cutters to form continuous, flat, and uniformly thick walls. These walls exhibit excellent water-stopping performance, with a permeability coefficient of up to 1×10⁻⁷ cm/s or even lower. Paired with high-precision inclinometers, it ensures that the verticality error is ≤1/250.
Work stably-combined action of counterweight frame and ground anchor fix the bottom of oscillator to the ground firmly and reduce the reaction torque generated by oscillator to rig.
This set of cutter wheels is suitable for a wide range of ground conditions and effectively prevents clogging in clay layers. Additionally, it extends the service life of the wheels when working in hard rock formations.
This precision-engineered gearing box is specially designed for trench cutters (hydromills), delivering high torque transmission, durability, and structural stability under extreme working conditions. It ensures reliable power output for vertical trenching in diaphragm wall construction and soil mixing applications.