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Pipe periphery backfilling material suitable for flexible pipeline and preparation method and backfilling method of pipe periphery backfilling material
The invention discloses a pipe periphery backfilling material suitable for a flexible pipeline and a preparation method and a backfilling method of the pipe periphery backfilling material. The pipe periphery backfilling material comprises the following components: 12 wt%-17 wt% of water, 1.2 wt%-1.5 wt% of cement, 14 wt%-19 wt% of fly ash, 53 wt%-57 wt% of fine sand, 6.2 wt%-7.6 wt% of stone powder, 0.4 wt%-0.6 wt% of a setting accelerator and 0.2 wt%-0.7 wt% of a water reducing agent. According to the pipe periphery backfilling material suitable for the flexible pipeline and the preparation method and the backfilling method of the pipe periphery backfilling material, the material does not need layered compaction in the backfilling process, it can be guaranteed that backfilling is dense at the haunch corner of the flexible pipeline, the stability of the overall structure of a flexible drainage pipe under a heavy-load pavement is guaranteed, the problems of pavement collapse, cracking and the like can be solved, the backfilling operation efficiency of the flexible drainage pipe is improved, and the backfilling cost is reduced. The preparation method and the backfilling method are simple and convenient to use.
本发明公开了一种适合柔性管道的管周回填材料及其制备方法、回填方法，包括以下组分：水12wt％～17wt％，水泥1.2wt％～1.5wt％，粉煤灰14wt％～19wt％，细砂53wt％～57wt％，石粉6.2wt％～7.6wt％，速凝剂0.4wt％～0.6wt％，减水剂0.2wt％～0.7wt％。本发明提供的适合柔性管道的管周回填材料及其制备方法、回填方法，该材料在回填过程中不需要分层压实，且能保证柔性管道腋角部位回填密实，保证了重载路面下柔性排水管整体结构的稳定，可减少路面塌陷、开裂等问题，提高了柔性排水管回填作业效率，并降低回填成本。该制备方法、回填方法简单、使用方便。
Pipe periphery backfilling material suitable for flexible pipeline and preparation method and backfilling method of pipe periphery backfilling material
The invention discloses a pipe periphery backfilling material suitable for a flexible pipeline and a preparation method and a backfilling method of the pipe periphery backfilling material. The pipe periphery backfilling material comprises the following components: 12 wt%-17 wt% of water, 1.2 wt%-1.5 wt% of cement, 14 wt%-19 wt% of fly ash, 53 wt%-57 wt% of fine sand, 6.2 wt%-7.6 wt% of stone powder, 0.4 wt%-0.6 wt% of a setting accelerator and 0.2 wt%-0.7 wt% of a water reducing agent. According to the pipe periphery backfilling material suitable for the flexible pipeline and the preparation method and the backfilling method of the pipe periphery backfilling material, the material does not need layered compaction in the backfilling process, it can be guaranteed that backfilling is dense at the haunch corner of the flexible pipeline, the stability of the overall structure of a flexible drainage pipe under a heavy-load pavement is guaranteed, the problems of pavement collapse, cracking and the like can be solved, the backfilling operation efficiency of the flexible drainage pipe is improved, and the backfilling cost is reduced. The preparation method and the backfilling method are simple and convenient to use.
本发明公开了一种适合柔性管道的管周回填材料及其制备方法、回填方法，包括以下组分：水12wt％～17wt％，水泥1.2wt％～1.5wt％，粉煤灰14wt％～19wt％，细砂53wt％～57wt％，石粉6.2wt％～7.6wt％，速凝剂0.4wt％～0.6wt％，减水剂0.2wt％～0.7wt％。本发明提供的适合柔性管道的管周回填材料及其制备方法、回填方法，该材料在回填过程中不需要分层压实，且能保证柔性管道腋角部位回填密实，保证了重载路面下柔性排水管整体结构的稳定，可减少路面塌陷、开裂等问题，提高了柔性排水管回填作业效率，并降低回填成本。该制备方法、回填方法简单、使用方便。
Pipe periphery backfilling material suitable for flexible pipeline and preparation method and backfilling method of pipe periphery backfilling material
适合柔性管道的管周回填材料及其制备方法、回填方法
DONG HUAN (author) / SHEN HAO (author) / LI YINGQI (author) / MIAO CHUN (author) / LI HUANHUAN (author) / CHEN DIANJUN (author) / JI YONGXING (author) / LI TONG (author) / LIU JIAYING (author) / SHI DAKUN (author)
2021-07-13
Patent
Electronic Resource
Chinese
| European Patent Office | 2022