Road widening transition section construction method and flattening device
A construction method and transition section technology, applied in the field of road widening transition section construction methods and leveling devices, can solve the problems of joint collapse, void, and hidden dangers of pavement structural layer drainage, etc., and achieve the effect of compact laying and reduced leakage
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[0038] The application will be described in further detail below in conjunction with the accompanying drawings.
[0039] The embodiment of the present application discloses a construction method for a road widening transition section, including the following steps:
[0040] Step 1: Clean up, level and roll the base of the original subgrade, and set up a transverse slope outward, and set up a 50*50cm temporary drainage ditch at a predetermined position not less than 50cm outside the filling range;
[0041]Step 2: Backfill plain soil with a thickness of 30cm on the leveled and rolled base, implement 15-20 times of impact rolling at a speed of 12-15Km / h, and then use a grader to level and roll the backfilled plain soil, and Sprinkle water on the surface of the plain soil layer in the process of leveling and rolling, and the amount of water sprinkled is based on the principle of ensuring no dust during stamping;
[0042] Step 3: Carry out step processing on the side slope of the ...
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