| Trenchless |
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| CATEGORIES ABOUT TRENCHLESS | |
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# Trenchless construction refers to such construction methods as Tunneling , Microtunneling , Horizontal Directional Drilling , Pipe Ramming , Pipe Jacking , Boring and other methods for the installation of pipelines and cables below the ground with minimal excavation. Large diameter Tunnel s such a those constructed by a Tunnel Boring Machine ( TBM ), and Drill-and-blast techniques are larger versions of trenchless construction. # Trenchless rehabilitation refers to such construction methods as Sliplining , Shotcrete , Gunite , Cured-in-place Pipe , Thermoformed Pipe , Grout-in-place Pipe , Pipebursting and other methods for the repair, rehabilitation, or replacement of existing buried pipes and structures without excavation, or at least with minimal excavation. Trenchless Rehabilitation methods are generally more cost-effective than traditional exhume and replace methods and are common tools in modern water and sewer Asset Management programs around the world. The trenchless technology industry is represented by several industry associations in addition to standing committees within almost every water and sewer related industry association. The National Association Of Sewer Service Companies or NASSCO was established in 1976 and is the oldest such association with a trenchless focus. The International Society For Trenchless Technology or ISTT was established in 1986, and has established affiliated societies on all six continents. |
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