The spraying impermeable sheet method by spraying water barrier sheet method for knitted fabric and construction site

摘要

PURPOSE:To secure the uniform width of a joint by spraying a permeable material such as rubber asphalt emulsion, etc., to the whole surface of the knitted texture after the low load extending knitted texture is so laid on the surface of the earth that joint sections are partially overlapped each other. CONSTITUTION:The knitted texture having low load extending efficiency extending more than 10% with load of 1kg each in length and width as the transverse knitted texture, more than 0.5mm in thickness and the size within range of 0.01g/cm2-0.2g/cm2 of bulk specific gravity is formed. Then, after the ground is excavated to form a recess section 10, the peripheral surface of the recess section 10 is excavated for grooves 12. After that, the ends of the knitted textures 14 are partially overlapped each other to the internal surface of the recess section 10, joint sections are made to lay, and sticks are passed through the joint sections to tentatively fix. Rubber asphalt emulsion A is sprayed to the whole surface of the knitted textures 14. In addition, after the ends of the knitted textures 14 and bent into the grooves 12, soil 30 is thrown into the grooves 12 to backfill.