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  • How to deal with the deviation of the anchor bolt height

    How to deal with the deviation of the anchor bolt height

    1. When the bolt is too high, the upper part must be divided to re-thread. When threading, it is necessary to prevent the oil from dripping onto the concrete foundation and affecting the quality of the foundation. 2. When the bolt is low and the deviation value is not large (within 15mm), the bolt c... read more

    Aug 30,2019 Industry News
  • Quality requirements and control of chemical anchor construction

    Quality requirements and control of chemical anchor construction

    1. It is best to use a drill bit that matches the anchor bolt when drilling. The drill bit uses the model of the drilled concrete. When drilling, the steel bar must be avoided. One is to prevent the main rib from being injured, and the other is to prevent the drill bit from being injured. 2. Before ... read more

    Sep 06,2019 Industry News
  • How to deal with the anchor bolt center deviation

    How to deal with the anchor bolt center deviation

    When the diameter of the anchor bolt is below 30mm and the centerline is offset within 30mm, the bolt can be red-baked with oxyacetylene, and then the bolt can be bent with a sledgehammer (or bent with a jack). After correction, it should be strengthened with steel plate. To prevent recovery when ti... read more

    Sep 12,2019 Industry News
  • Anchor bolt reinforcement - clear hole

    Anchor bolt reinforcement - clear hole

    (1) After the drilling is completed, clean the dust within the radius of 0.5 m around the hole, and clean the hole with a gas pump and a brush. In this process, three blows and two brushes are required, that is, the blow hole is three times, the brush is cleaned twice, and the cleaning is completed.... read more

    Sep 21,2019 Industry News
  • Anchor bolt reinforcement - steel bar cleaning

    Anchor bolt reinforcement - steel bar cleaning

    (1) Mark the corresponding position of the end of the steel bar to mark the length range of the rust cleaning; this length range is required to be greater than the required anchoring depth of 50mm. (2)Start the sander and use a wire brush to polish the surface of the steel bar within the length of t... read more

    Sep 30,2019 Industry News
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