I. Pre – construction Preparations
1. Design Review and Material Preparation
Before construction, conduct a detailed review of the design plan for the composite drainage net to ensure that the plan meets the project requirements and regulatory standards. According to the design requirements and the quantity of work, procure an appropriate amount of the composite drainage net. Select it based on the project needs and the requirements of the waterproof grade. Inspect its quality certification documents and appearance quality to ensure it complies with the requirements.
2. Site Cleaning and Base Treatment
Clean up debris, accumulated water, etc. within the construction area to ensure that the working surface is flat and dry. When treating the base, remove impurities such as floating dust and oil stains on the surface, and repair it to make it flat. The flatness requirement should be no more than 15mm, and the degree of compaction should meet the design requirements. Ensure that the base is solid, dry, and clean. Also, check whether there are hard protrusions such as gravel and boulders on the base. If so, remove them in a timely manner.
II. Construction Methods of Composite Drainage Net
1. Determine the Position and Baseline
According to the design requirements, mark the laying position and shape of the composite drainage net on the foundation. Determine the position of the baseline.
2. Lay the Composite Drainage Net
Lay the composite drainage net flat at the baseline position to ensure that the net surface is flat and free of wrinkles. For projects with lap requirements, carry out lap treatment in accordance with the design requirements. The lap length and method should comply with the specifications. During the laying process, a rubber hammer can be used to gently tap the net surface to make it closely adhere to the base.
3. Fix the Composite Drainage Net
Use appropriate fixing methods to fix the composite drainage net to the base to prevent it from shifting or sliding. Commonly used fixing methods include nail – shooting, batten pressing, etc. When fixing, pay attention not to damage the net surface, and ensure that the fixing is firm and reliable.
4. Connection and End – treatment
For the parts that need to be connected, such as the joints of the drainage net, use special connectors or adhesives for connection treatment to ensure a firm connection and good sealing performance. Conduct meticulous treatment of the end – closing parts to ensure the appearance quality and waterproof performance.
5. Sand – filling and Backfilling
Fill an appropriate amount of sand at the connection between the composite drainage net and the drainage pipe to protect the drainage net and the connection from damage. Then carry out the backfilling operation. Evenly spread the required filler in the foundation pit and pay attention to compaction in layers to ensure that the backfill is compact. During backfilling, avoid damaging the composite drainage net.
6. Facility Installation and Drainage Treatment
Install corresponding drainage pipes, inspection wells, valves, and other facilities according to the actual situation to ensure smooth drainage of the entire project. Also, check whether the drainage system is operating normally to ensure there is no water leakage.
III. Construction Precautions
1. Construction Environment Control
During the construction process, keep the base layer dry and clean. Avoid construction in rainy or windy weather. Also, pay attention to preventing the base layer from being mechanically damaged or man – madely destroyed.
2. Material Protection
During transportation and construction, take care to protect the composite drainage net to prevent it from being damaged or contaminated. Store and keep it in accordance with the standard requirements.
3. Quality Inspection and Acceptance
After the construction is completed, inspect the laying quality of the composite drainage net to ensure that it meets the design requirements and relevant standards. For unqualified parts, rectify them in a timely manner. Also, carry out the final acceptance. Check each quality key point one by one and keep records.
As can be seen from the above, the composite drainage net is an important material in engineering construction, and its construction method plays a significant role in ensuring the project quality.
Post time: Feb-19-2025
