OVERVIEW. Guided Boring Machine (GBM) systems are the leading solution for accurate and extended drive lengths in soft ground to rock geology for 4-48-in. OD pipe and larger diameters with the guided auger boring method.
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Pre-construction drainage. Drains are installed on the upper side of the ROW to divert water that would otherwise make construction difficult. In the UK, trenches are often dug and drainage pipes buried, often with a drainage machine.
Herrenknecht is the world market leader in mechanized tunnelling technology and offers high quality tunnel boring machines for every geology, additional equipment, and …
Class B Concrete (Substructure) f'c = 3,000 psi Class B Concrete (Retaining Wall) f'c = 3,000 psi Class B-2 Concrete (Drilled Shafts & Rock Sockets)
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00410: Bid Forms: Bid Form - Construction Management Bid Form - Cost-Plus Fee Bid Form - Procurement Bid Form - Stipulated Sum Bid Form - Unit Price
Pipe Jacking - Pipe Jacking involves the jacking of steel or clay jacking pipe through a bore by means of a hydraulic ram.The ram is braced against a thrust wall/thrust block opposite the bore hole in the drive shaft.
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Pipe jacking is a specialist tunnelling method for installing underground pipelines with the minimum surface disruption. Primarily used for new sewer construction it is also used for sewer replacement and relining, gas and water mains, oil pipelines, electricity and telecommunication installations, culverts and subways.
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Every Herrenknecht Shaft Sinking Machine consists of two main components – the shaft boring machine, and the lowering units. The shaft boring machine is lowered into the launch shaft structure and attached firmly to the shaft with its three machine arms.
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