What should I pay attention to when accepting cement blankets?

What are the quality acceptance methods and standards for the new cement blanket? Let the technicians of Hanji New Materials Co., Ltd. tell you

General regulations for cement blanket manufacturers

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.

Inspection project of Hanji cement blanket

2.1 Before laying the composite cement blanket, the base must be fully tamped. The simple measurement method is: use Φ 12mm steel brazing, use 30kg pressure, insert the soil body 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. Brush slurry must be uniform and the thickness must be uniform. The cement:water mass ratio is 1:3～1:4. 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 cement blanket engineering materials shall comply with the provisions of the construction design, and shall be stable and firm, tightly sealed, smooth and beautiful.

Number of inspections: all inspections

Inspection method: observe and measure with steel ruler.

The above technical support is provided by Hanji New Materials. If necessary, you can call us directly and we will provide you with excellent cement blanket prices.