Anchor bolt grouting
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The construction technology of anchor bolts shall comply with the requirements of Appendix B.
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When forming holes for anchor bolts, the horizontal deviation of the bolt holes shall not be greater than mm, and the vertical deviation shall not be greater than d.
) The wall of the bolt hole should be rough, and the hole should be cleaned. There should be no impurities such as floating ash, oil, etc. Soak it in water for ~h before grouting to remove accumulated water in the hole. When the ambient temperature is lower than ℃, measures should be taken to preheat and keep the temperature above ℃.
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Oil and rust on the surface of the anchor bolts should be removed before grouting.
) Pour the mixed cement-based grouting material into the bolt holes, and adjust the position of the bolts as needed. Vibration is strictly prohibited during the grouting process, but tamping can be done appropriately. Bolts must not be adjusted again after grouting.
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The upper surface of the grouting layer in the hole should be about mm lower than the surface of the base concrete.
Heze anchor bolt grouting material manufacturer