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      Evaluation of Injection Property on the Crack Repair Method by Installing the Packer with Right Angle Drill Type in RC Structure

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      https://www.riss.kr/link?id=A76603344

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      다국어 초록 (Multilingual Abstract)

      The purpose of this study is to investigate the problem of crack repair materials and methods in existing concrete structure and to propose the effective injection method on crack repair by packer type. The result of this study is as follows. It is investigated that the crack width in the inner matrix of concrete structure is decreased about 30-40% than that in the surface of the concrete structure. Also it is showed that the possibility which could be monolithic with injection part became higher if the injection part is installed near to surface of concrete on the punching method to vertical direction against crack area. The injection of repair material can be poured smoothly under about 10N/㎟ pressure on the condition that cracks are monolithic with injection part without dust by drill. The method which is effective injection for a repair material is the punching method in compliance with coredrill. But, the research continuously is necessary about minimum injection pressure.
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      The purpose of this study is to investigate the problem of crack repair materials and methods in existing concrete structure and to propose the effective injection method on crack repair by packer type. The result of this study is as follows. It is in...

      The purpose of this study is to investigate the problem of crack repair materials and methods in existing concrete structure and to propose the effective injection method on crack repair by packer type. The result of this study is as follows. It is investigated that the crack width in the inner matrix of concrete structure is decreased about 30-40% than that in the surface of the concrete structure. Also it is showed that the possibility which could be monolithic with injection part became higher if the injection part is installed near to surface of concrete on the punching method to vertical direction against crack area. The injection of repair material can be poured smoothly under about 10N/㎟ pressure on the condition that cracks are monolithic with injection part without dust by drill. The method which is effective injection for a repair material is the punching method in compliance with coredrill. But, the research continuously is necessary about minimum injection pressure.

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      목차 (Table of Contents)

      • Abstract
      • 1. INTRODUCTION
      • 2. INVESTIGATION ON CURRENT SITUATIONS
      • 3. FIELD EXPERIMENTS
      • 4. CONCLUSION
      • Abstract
      • 1. INTRODUCTION
      • 2. INVESTIGATION ON CURRENT SITUATIONS
      • 3. FIELD EXPERIMENTS
      • 4. CONCLUSION
      • REFERENCES
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