ANCHOR FOR ROCK BOLT

PURPOSE: A rock bolt type anchor for bedrock is provided to shorten construction period of the cement structure which constructed on the surface of a base rock and to stably fix an anchor when the anchor is installed in a hole of bedrock without ticking over. CONSTITUTION: A rock bolt type anchor(2)...

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Bibliographic Details
Main Authors KIM, YOO SHIN, KIM, ILL SHIN
Format Patent
LanguageEnglish
Korean
Published 18.02.2013
Subjects
EARTH DRILLING
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
GALLERIES
HYDRAULIC ENGINEERING
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
SOIL SHIFTING
TUNNELS
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:PURPOSE: A rock bolt type anchor for bedrock is provided to shorten construction period of the cement structure which constructed on the surface of a base rock and to stably fix an anchor when the anchor is installed in a hole of bedrock without ticking over. CONSTITUTION: A rock bolt type anchor(2) comprises an anchor shaft rod(10) and an anchor head(20). The anchor shaft rod comprises a screw unit(10a) and a wing expansion unit(10b). The anchor head is connected to a screw unit of the anchor shaft rod in the state of temporary assembly and includes a plurality of expanded wings(22) and a separation preventer(26). The expanded wings operates by being connected the expanded wings of the anchor shaft rod and stably fixes the anchor head in the hole of a bedrock. The separation preventer guides and supports in order for the wing expansion unit not to break away from a guide hole(24) generated outside.
Bibliography:Application Number: KR20110078554