Several factors needing attention in the construction of cement blanket

Laying construction

1. Preparatory work

First of all, planning and measurement should be carried out to ensure a certain slope, so that the 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 retested

2. Excavation

The construction line shall be set up according to the design requirements, both sides of the ditch shall be leveled, and there shall be no empty soil and cavity on the slope surface of the ditch. To tamp the water damaged parts, in addition to the debris and gravel in the slope, if necessary, use Panax notoginseng lime soil compaction treatment, or grouting reinforcement after sealing, which requires that the treated parts have good stability!

3. Laying

The material can be laid vertically and horizontally. Please make sure that the base is smooth, otherwise it will affect the appearance quality!

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1. A pit with a width of 10C and a depth of twice that of the cement blanket shall be excavated horizontally at the overlapped position of two adjacent cement blankets, and the joint of cement blanket at the superimposed place shall be placed and flattened.

2. Press the upper cement blanket on the lower cement blanket along the water flow direction, and the overlapping position shall not be less than 10cm.

3. Apply sealant evenly at the joint.

4. Fix two pieces of cement blanket with 5 × 38m stainless steel screws.

5. Ditch edge treatment

Fix the edge of the material on the edge of the ditch with rivets, and fix the overlapped part with rivets. After fixing, cover the edge with soil

6. Water curing

Before watering, it is necessary to check and accept the whole laying before watering. Watering can only be carried out after it is qualified! Water 9kg per square meter (the thickness is calculated as 10 mm) should be thoroughly watered, and no less water should be poured. Spray water evenly from the edge to the middle. The flow rate is 4000ml / min until the color of cement blanket becomes dark. Do not use high pressure water column! When the temperature is less than or equal to 5 ℃, insulation measures shall be taken; when the average temperature of day and night is higher than 30 ℃, the surface shall be covered with plastic film or geotextile and other materials to keep it moist, and the watering curing time shall not be less than 3 days

The above is Huaian Hanji cement blanket manufacturer to provide you with technical support, if you need to call us.