In the field of civil engineering, landscaping and building waterproofing, Drainage plate With Water storage and drainage board They are two important drainage materials, each with unique properties and a wide range of application scenarios.
Drainage plate
1. Material properties and structural differences
1、Drainage board: Drainage board is generally made of polystyrene ( PS） Or polyethylene ( PE） Equal polymer materials, through stamping process to form a conical projection or a convex point structure of stiffeners. In recent years, with the progress of technology, polyvinyl chloride ( PVC） It has also gradually become the main raw material of drainage board, and its compressive strength and overall flatness have been significantly improved. Its main features are very good drainage performance and certain load-bearing capacity, and it also has certain waterproof and anti-root thorn functions.
2、Storage and drainage board: Storage and drainage board is generally made of high-density polyethylene ( HDPE） Or polypropylene ( PP） It is made of such polymer materials and is shaped by heating and pressurizing. It not only has the drainage function of traditional drainage boards, but also has the water storage function. Therefore, it is a light board that can not only create three-dimensional space support stiffness, but also store water. The structural design of the water storage and drainage board is clever, which can not only quickly export excess water, but also store part of the water to provide necessary water and oxygen for plant growth.
Drainage plate
2. Functional differences and applicable scenarios
1、Drainage function: Although both drainage board and water storage and drainage board have drainage functions, there are differences in drainage effects between them. The drainage board mainly uses its concave-convex hollow vertical rib structure to quickly drain rainwater and reduce water accumulation. It also uses the waterproof performance of the material itself to play a certain waterproof role. When the water storage and drainage board drains water, it can also store part of the water to form a small reservoir to provide continuous water supply for plant roots. Therefore, in some situations where both drainage and water storage are needed, such as roof greening and underground garage roof greening, storage and drainage boards have more advantages.
2、Water storage function: The most remarkable feature of the water storage and drainage board is its water storage function. The water storage and drainage board with a height of two centimeters can store about 4 kilograms of water per square meter, which is of great significance for maintaining soil moisture and promoting plant growth. In contrast, the drainage board does not have this function. Its main function is to quickly drain water and prevent damage caused by accumulated water.
3、Anti-root thorn and waterproof performance: The drainage board has unique material characteristics and structural design, and has good anti-root thorn and waterproof performance. It can prevent plant roots from penetrating, protect the waterproof layer from damage, and also reduce water penetration and improve the waterproof performance of buildings. Although the water storage and drainage board also has certain waterproof performance, it is relatively weak in preventing root thorns because it needs to store water, so it should be used in combination with other root-proof materials.
Water storage and drainage board
3. Construction requirements and cost-effectiveness
1、Construction requirements: The construction of drainage board is relatively simple and the construction time is short. Two workers can lay a large area, and the construction is not difficult. However, because the water storage and drainage board needs to consider both drainage and water storage functions, the construction process is relatively complicated and the construction time is long, which has certain requirements for construction technology. During the construction process, it is necessary to ensure that the base layer is clean and free of water accumulation, and it is laid in an orderly manner according to the design requirements to ensure drainage and water storage effects.
2、Cost-effectiveness: From a cost perspective, drainage boards are more economical and affordable than storage and drainage boards. However, when selecting materials, engineering needs, budget constraints and long-term benefits should be comprehensively considered. For engineering projects that need to solve the problems of drainage and water storage at the same time, although the initial investment of water storage and drainage board is high, its long-term benefits are remarkable, such as reducing maintenance costs and improving plant survival rate.
As can be seen from the above, drainage boards and water storage and drainage boards are important materials in the fields of civil engineering, landscaping and building waterproofing, each with unique properties and advantages. When choosing and using, comprehensive consideration should be made according to factors such as specific project needs, budget constraints and long-term benefits.
Post time: Dec-10-2024