This Korean Industrial Standard specifies the internal vibrators for concrete. The internai vibrators stated in this standard (hereinafter referred to as "vibrators"), imply the vibrators fro concrete of which power-driven stem vibrators, less than 130mm in diameter, compact the concrete in which the vibrators are submerged.
Remarks 1. The units and numerical values given in { } in this standard are in accordance with the traditional system of units, and are appended for reference.
2. The normative references to this standard are as follows : KS C 4002 General Rules for Rotating Electrical Machines KS D 3525 High Carbon Chromium Bearing Steels KS D 3752 Carbon Steel for Machine Structural Use