Changsha Roots Blower Factory's Roots Blower foundation construction general construction procedures are as follows: first, placing lines, digging earth, tamping foundation; second, nailing templates, under the reinforcement bars, placing ground bolts (one-time grouting hair) or placing molds pouring ground bolts reserved holes (secondary grouting method); third, pouring into the concrete; fourth, maintenance of the regeneration and demolition of the template, etc.. Fifth, large foundations require pre-pressurization. Pre-pressurized weight for the weight of the blower 1.25 ~ 1.5 times, until the foundation does not continue to sink.

Changsha Roots blower in the installation needs to be the main check is, first, size check. Mark the vertical and horizontal center line and horizontal elevation line on the foundation, and then use it as the benchmark, and check the height of the foundation, the plane size and the position of the ground bolts (or reserved holes) by pulling the line method. Second, strength check. Use a small hammer to knock on the surface of the foundation, according to the traces of knocking sound, you can make an assessment of the strength of the foundation. Generally speaking, should wait until the concrete strength reaches the design strength of 60% or more before installation, after reaching the design strength can be fine leveling and tightening the ground bolt.