Materials & tools
Apply asphalt special adhesive on the surface of the gap evenly. 15 minutes later, pour the melting asphaltic plug joint material in the gap and apply it with scrapers.
Put the steel plates neatly on the asphaltic plug joint material and place them in the middle of the gap.
Put crushed stones which have been heated at high temperature (130 °C – 150 °C) from one end of the gap.
Stick yellow tapes beside the gap, in order to keep both sides neat and clean.
Pour melting asphaltic plug joint material again and cover the crushed stones. At the same time, flat them with a plate vibrator and some scrapers.
Flat the surface with flamethrower which have the function of preserving heat. Meanwhile, trim the edge and tear off the yellow tape.
When the material is cooled down (about 2 hours later), open to traffic.
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