NPD3200 Slurry Balance Pipe Jacking Machine Successfully Deployed for Efficient Construction of Nanjing Municipal Pipeline Network Project
Release time:
2026-07-25
The Yangzhou Dilong NPD3200 slurry balance pipe jacking machine has successfully completed tunnelling tasks and been officially applied to the Nanjing municipal pipeline network project. The equipment has efficiently advanced the renewal and renovation of urban underground pipeline facilities and successfully finished trenchless tunnelling works within the construction section, setting a high-quality benchmark for refined municipal construction in urban areas of Nanjing.
The Nanjing municipal pipeline project features complex construction conditions. Located in the core built-up urban area, the site is densely distributed with underground pipelines and surrounded by numerous urban structures. The urban stratum presents uneven soil composition and complex hydrogeological conditions with various composite strata, bringing multiple construction constraints. The project imposes high requirements on pipe jacking equipment in terms of stratum adaptability, tunnelling stability, attitude control accuracy and low-disturbance construction performance.
Targeting the complicated urban construction environment and variable composite strata, Yangzhou Dilong deployed the NPD3200 slurry balance pipe jacking machine fully adapted to on-site construction demands. Equipped with a mature and reliable slurry balance control system, the machine enables dynamic excavation face pressure adjustment and achieves stable tunnelling in complex urban strata. It effectively solves common construction challenges in soft soil layers, including stratum disturbance, poor muck discharge and restricted tunnelling efficiency, ensuring continuous, smooth and orderly tunnelling operation throughout the whole construction process.
With superior comprehensive performance, the NPD3200 slurry balance pipe jacking machine delivers outstanding attitude adjustment and precision control capabilities in narrow urban construction scenarios. It effectively controls construction settlement and stratum disturbance, avoiding adverse impacts on surrounding pipelines, urban roads and residents’ daily lives. The equipment realizes safe, stable and low-disturbance tunnelling in complex urban underground environments, fully guaranteeing the overall construction quality and project progress.
As a key livelihood project, the Nanjing municipal pipeline renovation project improves urban underground infrastructure, optimizes urban drainage systems and enhances urban livability. Upon completion, the project will further optimize the layout of urban underground pipelines, upgrade regional water conveyance and drainage capacity, and consolidate urban municipal infrastructure support. It strongly supports the high-quality development of urban renewal and water environment improvement in Nanjing.
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