How to lay cement blanket?
lay cement blanket

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

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.

For more information, please refer to:

https://www.dhirubhai.net/pulse/cement-blanket-specifications-ultimate-tensile-strength-aaron-feng-0j3dc/?trackingId=NO4TyAxbSjOG%2F5TElzhS8w%3D%3D

https://www.dhirubhai.net/pulse/what-cement-geotextile-aaron-feng-c8k3c/?trackingId=52OtBIzOR9a8UA10W8Uh2w%3D%3D

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