Model: | TST |
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Brand: | haiwei |
Origin: | Made In China |
Category: | Construction & Decoration / Waterproof Materials |
Label: | expansion joint |
Price: |
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Min. Order: | - |
Live Chat: | Last Online:16 Jan, 2007 |
Construction Process
1. Cutting and crushing down the determined width of overlaid asphalt pavement to expose the bridge deck.
2. Cleaning the channel with pressured air and attaching tape at both sides:
- After removing fragments, dust, small amounts of moisture, and adhered extrangeous substances, attach tapes at both right and left sides of the channel leaving a space.
3. Heating the channel and installing back-up rod:
- After heating the channel with heat-lance th obtain the sufficient temperature (keep about
4. First coating and installing steel support plate:
- Coat the channel with Roadseal sealant (
5. Filling up the channel:
- Coat the steel support plate again with Roadseal sealant and the interior surfaces of the channel.
- In the case of the expansion joints, mix heated aggregate (
6. Finishing:
- Level off the top surface of the joint using heated squeezer or roller and cool it by sprinkling lime or talc powder over. It takes about 1~2 hours for vehicles to pass over newly completed joint