Why is the period with the lowest temperatures during the day and night chosen for backfilling the trench?

2016-10-28View Original

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In clause 4.5.11 of standard GB50268, which deals with the backfilling of flexible pipe trenches, it is recommended that backfilling be carried out during the coldest period of the day or night, by filling from both sides of the pipes simultaneously and compacting them at the same time. Is it the standard that’s wrong, or what? I seek advice from experts

Reply #22016-10-28

This question has already been posted; please do not post it again. . . Why is it advisable to backfill pipelines during the coldest period of the day and night? - Powered by Discuz! http://bbs.hcbbs.com/thread-1635061-1-1.html

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Why is the period with the lowest temperatures during the day and night chosen for backfilling the trench?

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