The CHEERON combination anchor is composed of a rock anchor bolt body connected to the reinforcing bars through a connecting sleeve. Based on the common anchor rods, an extended design is made to solve the transportation and usage problems caused by overly long anchor rods in practical applications. This combined hollow anchor bolt is based on the advantages of hollow grouting anchor bolts, self-drilling hollow anchor bolts and expansion shell hollow anchor bolts, and can achieve good economic benefits and high construction efficiency in practical applications.
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