Horizontal Directional Drilling Hdd
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1. Evaluation of the gradient precision of the horizontal directional drilling technique for the installation of gravity sewers / Avaliação da precisão da declividade da técnica de perfuração direcional horizontal para instalações de redes de esgoto
The present work is focused on the horizontal directional drilling (HDD) method to install gravity sewers. The results of different techniques are described intending to meet the demands of gradient. Therefore, 4 experimental pilot bores were drilled simulating a section of those structures extending 30 m with HDPE pipelines of 125 mm external diameter. Thos
Publicado em: 2008