Plastic large-diameter drainage board, drainage board, garage floor grouting drainage board

Description :

　　Plastic large aperture drainage board, drainage board, garage floor, grouting drainage board, and top drainage board are made of polystyrene (HIPS) or polyethylene plastic floor, which are stamped into conical protrusions (or hollow cylindrical porous). The top surface of the conical protrusion is bonded with a layer of filtering geotextile to prevent soil particles from passing through, thereby avoiding blockage of the drainage channel and ensuring smooth drainage of the channel. The traditional drainage method uses bricks and tiles as the filter layer, more pebbles or crushed stones as the filter layer, and discharges water to the location. Nowadays, using drainage boards instead of pebble filter layers for drainage saves time, effort, energy, investment, and can also reduce the load on buildings.

　　The water storage and drainage board is also made of polystyrene or polyethylene plastic flooring through stamping, with concave convex double-sided conical protrusions. The drainage board with hollow cylindrical holes is also known as concave convex double-sided drainage board. Combine with geotechnical materials to form a complete water storage and drainage plate system, in order to achieve the functions of drainage and water storage. Storage and drainage boards are mainly used in roofs, rooftop gardens, etc. The main functions are to consider 1. building waterproofing and drainage, and 2. planting plants to survive and store water. In recent years, based on the extensive application of water storage and drainage boards in planting roofs, a series of water storage and drainage boards with root puncture resistance have been developed to prevent damage to building surfaces caused by plant root system puncture.

　　The top drainage board is also known as filter board, drain board, drain board, anti drainage board, building sandwich plastic board, plastic convex sheet, convex drainage board, sandwich board, water guide board, waterproof board, high-density polyethylene drainage board, polyethylene drainage board, polystyrene drainage board, etc., depending on the functional application and field.

　　Plastic large aperture drainage board, drainage board, garage floor grouting drainage board, concave convex drainage board, and its function

　　1. The construction of the garage roof or roof should be carried out on a well waterproofed base, with a slope of 2-5 ‰, and the entire area should be kept free of water accumulation

　　2. The drainage board is laid along the slope along the edge of the top plate, and the supporting points of the drainage board edge overlap with each other by 1-2 supporting points. A layer of geotextile is covered on top of the drainage board, and the geotextile overlaps with the edge of the geotextile by 10 cm. The main purpose is to prevent mud water from flowing under the drainage board and maintain smooth drainage

　　3. A fully loaded labor vehicle cannot walk directly on the drainage board. Wooden boards can be laid to form a channel to prevent damage to the drainage board

　　4. Backfilling soil should be done in a timely manner to avoid damage to drainage boards and geotextiles by other workers on site, and should be filled as needed

　　5. The backfill soil belongs to cohesive soil. It is recommended to lay 5-10mm coarse sand on the geotextile before filling the soil to avoid geotextile compaction and ensure its permeability

　　6. There is a counter beam on the top of the garage, and the drainage board can cover the entire beam when laying, so that each roll of drainage board can be laid over as a whole. The hole at the bottom of the Megan beam needs to be treated properly When the drainage board is thrown into the hole, the bottom plate of the drainage board should be aligned with the hole to create a hole, and the geotextile should be kept intact

　　Plastic large-diameter drainage board, drainage board, garage floor grouting drainage board

　　1. There are currently three main types of plastic drainage boards on the market, namely HDPE/PS/PE. The three different types of drainage boards have strong, average, and general blocking properties; Density: HDPE is the highest, PS is in the middle, and PE is the lowest. In terms of impact resistance, HDPE is the strongest, while PS and PE are relatively weak. Therefore, in terms of the practicality of drainage boards, the application of HDPE is greater than that of PS/PE. In comparison, drainage boards made of PS material are more brittle and prone to simple breakage. The strength of HDPE, PS, and PE is below 300kpa, 150kpa, and 150kpa, respectively;

　　2. So it is generally not applicable in engineering. HDPE is a good drainage board material in terms of strength, blocking ability, density, and impact resistance. This is also an important reason why HDPE material is used for drainage boards in engineering. HDPE drainage boards basically compensate for the defects and disadvantages of PS/PE drainage boards, and there is also a phenomenon of waste recycling in the production of PS in the market. Therefore, the application of HDPE drainage boards is the first battle.

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• Plastic large aperture drainage board and drain board