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method jointing a surface layer over expansion parts for use in underground roadway structure
method jointing a surface layer over expansion parts for use in underground roadway structure
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机译:于地下巷道结构的膨胀部分上连接表面层的方法
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摘要
PURPOSE: A jointing method of a pavement layer for an expansion joint of an underground roadway structure is provided to prevent the crack and disconnection of an asphalt concrete pavement layer of a structure on an underground roadway. CONSTITUTION: The jointing method of a pavement layer for an expansion joint of an underground roadway structure comprises the steps of: paving an asphalt concrete pavement layer(5) on both concrete structures(1,3) forming a lower slab of a main structure on an underground roadway; cutting off the asphalt concrete pavement layer(5) located between both concrete structures(1,3) where an expansion joint(7) is installed; placing adhesives(9) on both cutting planes of the asphalt concrete pavement layer(5); and interposing an elastic rubber(11) between the cutting planes applied with adhesives(9) to expand/contract the asphalt concrete pavement layer(5) together with the concrete structures(1,3).
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