METHOD OF CONSTRUCTING THREAD BAR ANCHOR IN BEDROCK HAVING HIGH UPLIFT RESISTANCE FORCE AND THREAD BAR ANCHOR USED THEREIN

摘要

PURPOSE: steel pole anchoring body is basement rock and its construction method, pulls open bad basement rock relative to high buoyancy by support with brace foundation structure and basement rock with improved resistance to plucking force. ;CONSTITUTION: steel bar includes tube-like envelope (110), steel anchor rod (125) for basement rock anchoring body (100), and fixed anchor nut (130) are embedded to head (150). The tube-like envelope is installed on entry well bore (10). Vertical perforating basement rock drill in foundation structure (9). Each steel bar anchor makes that steel pole (120) processing anti-corrosion is covered with by spiral shape protection sleeve pipe and cement as filler, steel bar and above-mentioned protection sleeve pipe slip casting solidification. Rod iron threading is inserted into the non-uniform external direction for forming spiral of drilling and multiple external screw thread shapes. Each fixed fixture nut is fixed on an end rod iron and is located at the drilling for forming end with the hole portion widened. The other end that the portion of immersing oneself in is fixed on non-uniform steel bar exposes, from ground drilling. ;The 2012 of copyright KIPO submissions