The fiberglass reinforced polymer mortar pipe delivers exceptional corrosion resistance and long-term durability, lowering lifecycle costs for critical infrastructure. Designed for both pressure and gravity applications, it provides reliable performance in petrochemical area, nuclear water cooling system, wastewater, and industrial systems. With advanced manufacturing standards and expert technical guidance, pipes in our company ensures seamless design and installation for project success. Zhejiang Huafeng New Material Co., Ltd. is a world-standard fiberglass reinforced polymer mortar pipe manufacturer in China, offering complete product and engineering support.
Backfill Compaction Requirements
Technical Requirements
The main backfill zone shall be compacted in layers, achieving a minimum compaction degree of 90%.
Backfilling should be completed in time to prevent pipe flotation during rainfall.
Prohibitions
Inadequate backfill compaction will result in excessive radial deflection of the pipeline.
Important Notice:
Insufficient backfill quality causes excessive radial deformation, which seriously compromises pipeline integrity and service life.
Correct Visual Guide
Layered, properly compacted backfill around the installed pipe
Example 1
Example 2
Incorrect Visual Guide
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