Let’s talk about the construction precautions and selection considerations for HDPE double-wall corrugated pipes.

Release time:

2022-08-19

Enterprises producing steel-reinforced PE spiral corrugated pipes have found that HDPE double-wall corrugated pipes generally fall into two categories: one is single-wall corrugated pipe with a relatively large diameter, with a wall thickness ranging from 6 mm to 8 mm; the other is single-wall corrugated pipe with a slightly smaller diameter, with a wall thickness ranging from 26 mm to 30 mm.

The steel-belt reinforced PE spiral corrugated pipe enterprise has discovered HDPE double-wall. Bellows Generally, there are two types of single-wall corrugated pipes: one has a relatively large diameter and a wall thickness ranging from 6 mm to 8 mm, while the other has a slightly smaller diameter and a wall thickness ranging from 26 mm to 30 mm. Before commencing construction, relevant personnel should inspect all materials entering the construction site and promptly address any HDPE double-wall corrugated pipes that have developed cracks or fissures during transportation. During the construction process, supervisors must immediately clean both the inner cavity of the socket connection and the outer surface of the spigot, apply lubricant, and ensure that the centerlines of the socket and spigot are perfectly aligned before completing the assembly.

Let’s talk about the construction precautions and selection considerations for HDPE double-wall corrugated pipes.

　　When carrying out pipeline backfilling, the operating unit shall select backfill material that meets the overall planned compaction standards. Backfilling materials must not include sludge, organic compounds, bricks, or other hard objects containing solid particles. Ensure that the rubber ring is positioned in the concave groove at the socket end of the HDPE double-wall corrugated pipe. The sockets of the double-wall corrugated pipes should be assembled in the direction of water flow, and the spigot-and-socket connections should be made facing upstream.

　　There are many manufacturers and brands selling double-wall corrugated pipes on the market, offering customers a wide range of choices—and consequently, making it quite challenging to make a purchase. When selecting HDPE double-wall... Bellows At that time, you should choose pipe fittings that can be stored indoors whenever possible, as this will make it easier for you to implement standardized management and prevent the fittings from being affected by prolonged exposure to sunlight, gentle breezes, and rain. In contrast, pipes stored outdoors are more likely to suffer from aging problems.

　　When selecting double-wall corrugated pipes, be sure to choose fittings that are intact and undamaged, with no air holes or gaps. The HDPE double-wall corrugated pipes you purchase must have a uniform appearance and color; there should be no issues such as uneven coloring or fading. Double-wall... Bellows The port must maintain a smooth and vertically centered alignment. Both the inner and outer walls of the double-wall corrugated pipe should be smooth and flat, with no noticeable marks or dents.

　　What are the key technical points for the construction of HDPE double-wall corrugated pipes?

　　1. The construction team should first familiarize itself with the project drawings. In particular, the project manager must have a comprehensive grasp of the overall project and, even more importantly, must thoroughly understand every stage of the project. Before commencing construction, a horizontal elevation measurement point should be set up every 100 meters, and a precise horizontal elevation control network should be established. This will facilitate accurate measurements during subsequent pipeline construction. Furthermore, after passing the closure test and undergoing proper metrological verification, the site must meet all applicable requirements before construction can proceed.

　　2. When excavating the foundation pit for trenching of HDPE double-wall corrugated pipes, it is important to ensure that the slope of the pipeline is scientifically standardized and objectively measured.

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