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The APIE KR90C rotary drilling rig is a compact and highly efficient foundation equipment designed for urban and confined construction sites. Built on a reliable Caterpillar undercarriage (CAT C4.4 engine), it combines world-class hydraulic control technology with APIE’s expertise in piling machinery manufacturing. The KR90C is ideal for small to medium-sized projects requiring flexibility, productivity, and reliability.
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.
1. Tremie pipes are made of quality drawn steel plates in order to guarantee high resistance elements
2. Tremie pipes are equipped with male / female joints with thread
3. Standard tremie pipe contains bottom tube, short tube, standard tube. bottom tube is 4m, standard3m, short for 0.5-2m
4. Tremie pipes are normally used to pour concrete into a drilled pile, after the steel cage reinforcement is placed in operation, to avoid concrete pile breakage or gaps. During the operations they are lowered inside and through the steel cage reinforcement to protect concrete from soil contamination water filtering and to avoid any possible concrete quality corruption. Tremie pipes are made of quality drawn steel plates in order to guarantee high resistance elements.
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AMP hydraulic microdrilling rig can adapt to a variety of construction methods and geological conditions. It can be used in deep foundation pit construction, mine roadway, water conservancy, railway and highway projects, especially for tunnel reinforcement, support and geological improvement projects. AMP110 adopts Cummins engines power source, full hydraulic drive, electric control system control, crawler chassis and strong mobility.