How to lay cement blanket?
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1. Preparation work: First, plan and measure to ensure a certain slope so
that water can flow smoothly from the upper end to the lower end; second,
after the construction site is cleaned and leveled, the construction line is
set according to the design drawing, and the drainage slope is
re-measured.
2. Excavation: Set the construction line according to the design
requirements, the two sides of the ditch need to be leveled, and there must
be no loose soil and voids on the slope of the ditch. The water-damaged
parts are required to be compacted, and debris and gravel in the slope are
removed. If necessary, Sanqi lime soil is used for compaction, or grouting
reinforcement is performed and then sealed. The treated parts are required
to have good stability!
3. Laying: The material can be laid vertically and horizontally. Please
make sure to level the base, otherwise it will affect the appearance
quality!
4. Joint treatment:
① Dig a pit with a width of 10cm and a depth of the thickness of the
cement blanket horizontally at the overlapping part of two adjacentcement blankets, and put the cement blanket joints at the overlapping part into it and flatten it.
②Press the upper cement blanket onto the lower cement blanket along
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the direction of water flow, and the overlap shall not be less than 10 cm.
③Apply sealant evenly at the joints. (Or sprinkle cement powder evenly)
④Fix the two cement blankets with stainless steel screws.
⑤Treat the edge of the ditch, fix the edge of the material on the edge of
the ditch with rivets, and fix the overlap with rivets. After fixing, cover
the edge with soil
⑥After the preliminary work is completed, water evenly and thoroughly,
and then evenly water again for maintenance after 12 hours, with a cycle
of three days.
Later maintenance and precautions:
1.The design life of this material is more than 10 years. In order to extend
the life, it is recommended to maintain the material every 2-3 years.
Brushing a layer of cement slurry on the surface of the material blanket
can more effectively extend the service life of the material. ,
2. The material can only withstand the load of personnel and light
construction machinery after the cement blanket strength reaches 10.0MPa.
3. After the material is watered and before the final strength is formed, it shall not be knocked or pulled, and sharp objects shall not be used to knock the material.
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