With epoxy grout for secondary grouting operation points

With epoxy grout for secondary grouting operation key points, 1) Before grouting, the grouting water is rinsed clean, grease, rust, etc should be clean, in order to make sure the new pouring epoxy grout ( Or mortar) With the original concrete and solid. （ 2) Generally USES epoxy grouting grout ( Or cement mortar) The label should be higher than the original concrete grade level at least. The granularity of the gravel is about 5 ~ 15 mm, cement with 400 or 500. （ 3) Grouting, should put one outside the template, the edge of the edge from the equipment base is generally not less than 60 mm; If the device under the base of the whole area without grouting, and grouting layer need equipment under load, still need to put inside the template, in order to guarantee the quality of grouting layer. Within the template to distance should be greater than 100 mm of the outside of the equipment base, at the same time, it cannot be less than the base surface edge width. Grouting layer height, outside the base should be higher than the base bottom. Grouting layer on the surface should be slightly sloping ( Outward slope) To prevent oil and water into the equipment base. （ 4) Grouting work need to go to, don't interrupt, poured out at a time. Mortar grouting process are not allowed to dao, but it can be drainage, to keep the anchor bolts and install perpendicular to the plane. （ 5) After grouting, laying dishcloth sprinkler maintenance, the maintenance date not less than a week. For concrete curing reaches more than 70% of its strength, are allowed to tighten the anchor bolts.