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Company name: Huai'an Hanji New Material Co., Ltd.

Contact: Mr. Han

Phone: 13365166988

Mobile: 13365166988

Email: hansanhua@126.com

Address: No. 36 Jingshi Road, Huai'an District, Huai'an City, Jiangsu Province

Website: www.hjsnt.cn

Website: en.hjsnt.cn

Cement blanket prices are negotiable

Fast new cement blanket

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Fast new cement blanket

  • Taxonomy:水泥毯

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  • Date of release:2020/05/26
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Detailed introduction

Cement blanket manufacturers

New cement blanket laying construction requirements

1 Preparation

First, plan and measure 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 remeasured.

2 excavation

Set up the construction line according to the design requirements, the two sides of the ditch need to be leveled, and the slope inside the ditch must be free of empty soil and voids. The water damage parts shall be tamped, except for the debris and gravel in the slope. If necessary, use Sanqi lime soil for tamping, or grouting for reinforcement and then close it. It is required that the treated parts are stable!

3 laying

The material can be laid vertically and horizontally. Please be sure to flatten the substrate, otherwise it will affect the appearance quality!

4 Seam treatment

1. Dig the pits with a width of 10 cm and a depth of twice the depth of the cement blanket at the overlapping positions of the two adjacent cement blankets. Put the cement blanket joints at the overlapping positions and flatten them.

2. Press the upper cement blanket on the lower cement blanket in the direction of the water flow, and the overlap should not be less than 10cm.

3. Evenly apply sealant on the joints.

4. Fix two cement blankets with Φ 5 * 38mm stainless steel screws.

5. Groove treatment

Use rivets to fix the edge of the material on the edge of the ditch, and also use rivets to fix the overlap. After fixing, cover the edge with soil.

6. Water curing

Before the watering, the entire paving needs to be inspected and accepted, and only after passing the water! It needs to be watered 9kg per square (thickness is calculated by 10mm). It is necessary to pour through. It is necessary to sprinkle water evenly from the edge to the middle. It is best to use spraying method. The flow rate is 4000ml / min until the cement blanket becomes darker. Do not use water column with high pressure! It is forbidden to step on after watering. When the temperature is ≤5 ℃, heat preservation measures should be taken; when the average day and night temperature is higher than 30 ℃, the surface should be covered with plastic film or geotextile to keep it moist.

Quality acceptance methods and standards

General provisions

1.1. When the average day and night temperature on the construction site is below 5 ° C for 5 consecutive days or the minimum temperature is below 0 ° C, construction in winter should be determined.

1.2 When the material strength does not reach 60% of the design strength, it shall not be frozen. When the material immersed in freezing and thawing conditions begins to be frozen, it shall not be less than 80% of the design strength.

Test items

2.1 Before laying the composite material blanket, it is required that the base be fully tamped. The simple measurement method is: use Φ 12mm steel brazing, use 30kg pressure, insert the soil less than 5cm.

Number of inspections: random inspection

Inspection method: observe and measure with tools.

2.2. The bottom of the ditch and the side of the ditch are required to be flat; the deviation of the ditch cross section size is not easy to exceed 5cm. The base is leveled. After laying the composite material blanket, the flatness is measured with a 3m string, and the average loss is not more than 20mm.

Number of inspections: random inspection

Inspection method: observe and measure with steel ruler.

2.3. The error of anchor spacing is required to be ± 5cm; the construction error of screw spacing is ± 2cm. There should be no missing or missing nails, and the nails should be firmly fixed.

Number of inspections: all inspections

Inspection method: observe and measure with steel ruler.

2.4 Watering should be even and watered until the blanket becomes darker. Each square meter is not less than 9kg (calculated by 10mm thick blanket), and watering is not necessary. More watering does not affect the quality of the project.

2.5. The slurry must be uniform and the thickness should be uniform. The cement: water mass ratio is 1: 3 ~ 1: 4. There should be no missing brushes or fewer brushes. 8

Number of inspections: random inspection

Inspection method: observation.

2.6. The PVC drain pipe of the drainage hole shall be arranged in a plum shape of 2m × 2m, shall not be omitted, and shall be installed firmly.

Number of inspections: all inspections

Inspection method: observe and measure with steel ruler.

2.7. The reserved size of the end surface shall comply with the regulations: the top surface of the side slope shall have a width of 1-2m, and the bottom surface shall have a length of 50cm.

Number of inspections: all inspections

Inspection method: observe and measure with steel ruler.

2.8. The laying and installation of materials should comply with the requirements of the construction design, and should be stable and firm, tightly sealed, smooth and beautiful.

Number of inspections: all inspections

Inspection method: observe and measure with steel ruler.

Hanji cement blanket post-maintenance and precautions

1. This material is used in the central region of China, with a design life of more than 50 years. In order to extend the life, it is recommended to maintain the material every 5-10 years. Brushing a layer of cement slurry on the surface of the material blanket can effectively extend the life of the material.

2. After the strength of the material reaches 10.0MPa, it can bear the load of personnel and light construction machinery.

3. After the material is poured into water, it must not be knocked or pulled until the final strength is formed; sharp objects must not be used to knock on the material.

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