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PRETENSION SOIL NAIL STRUCTURE WITH DEFORMED BAR, AND CONSTRUCTION METHOD THEREOF
PRETENSION SOIL NAIL STRUCTURE WITH DEFORMED BAR, AND CONSTRUCTION METHOD THEREOF
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机译:变形钢筋的预应力土钉结构及其施工方法
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摘要
PURPOSE: A pretension soil nail structure using a deformed bar and a construction method thereof are provided to prevent fine cracks by applying pretension to a tensile member and then grouting the tensile member. CONSTITUTION: A pretension soil nail structure using a deformed bar comprises a front mounting unit(FD), a deformed bar(300), a spacer(200), a tensile member(P), a corrugated pipe(400), a tensile member fixing device(500), a grouting pipe(600), and a grout material. The front mounting unit is installed in a bore hole(H). One end of the deformed bar is installed in the end of the front mounting unit, and the end is located at the center of the bore hole. The spacer is installed in the middle end of the deformed bar. One end of the tensile member is installed in the end of the deformed bar. The corrugated pipe protects the tensile member from underground water. The tensile member fixing device fixes the tensile member exposed to the outside the bore hole. The end of the grouting pipe is exposed to the outside the bore hole.
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