SITE CONSTRUCTION PROJECT ON BEIJING NORTHEAST RING LINE

MDL-150H

The MDL-150H rig was applied to a site construction project on Beijing's northeast ring line, adopting foundation pit base slab grouting reinforcement and foundation pit support processes. Equipped with a 73 duplex double jet grouting assembly, it adapted to backfill, silty clay and silt layers, completing construction with a hole diameter of Ø800 mm and a hole depth of 16 m.

SITE CONSTRUCTION PROJECT ON BEIJING NORTHEAST RING LINE

PROJECT CONFIGURATION

TOOL CONFIGURATION

73 duplex double jet grouting assembly

PROCESS TYPE

Foundation pit base slab grouting reinforcement

CONSTRUCTION PROCESS

Foundation pit support

STRATA CONDITIONS

1–3 m backfill; 4–10 m silty clay; 11–22 m silt layer

TARGET PILE DIAMETER

∅800 mm, hole depth 16 m

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AFTER-SALE SERVICE

PROFESSIONAL SERVICE TEAM

XITEC Technology maintains a dedicated professional maintenance team and has established specialized overseas service centers for environmental drilling rigs. We are capable of servicing 99% of jet grouting, anchoring, and environmental drilling rigs available on the market. Upholding our commitment to protecting customer interests, we provide honest and reliable service, aiming for total customer satisfaction and ensuring every repair is completed to the highest standard.

CORE MAINTENANCE SERVICES

Our full-scope drilling rig maintenance covers all brands, including routine servicing, undercarriage repairs (track shoes, final drives, tensioning systems), rotary head overhauls (spindle parts replacement, hydraulic accumulator nitrogen charging), electronic & hydraulic system repairs, plus wear parts and consumables replacement.

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