An assembled recyclable rectangular working well integrated with sliding back against the wall and its construction method

Abstract

The invention relates to a construction method integrating an assembled recyclable rectangular pipe jacking working well and a sliding back wall, comprising the following steps: (1) functional requirement design of the rectangular pipe jacking working well; (2) supporting piles Construction; (3) Installation of prefabricated crown beams; (4) Construction of edge protection; (5) Alternate construction of earthwork excavation, earth retaining panels, and inner support beams; (6) Installation of ladders entering rectangular pipe jacking work wells; (7) ) The rectangular pipe jacking working well is sealed, and the sliding rails, pull rings and back wall anchors are embedded; (8) The sliding back wall construction can complete the prefabricated recyclable rectangular pipe jacking working well and sliding (9) After the operation in the well is completed, the backfilling process will gradually recover the working well components such as the back wall, soil retaining panels, inner support beams, prefabricated crown beams and supporting piles in reverse order.

Description

technical field [0001] The invention belongs to the field of non-excavation construction and restoration of infrastructure facilities such as water conservancy, municipal administration, heat power, and communication, and specifically relates to providing a sliding post for the non-excavation construction and restoration of underground pipelines such as water conservancy, municipal administration, heat power, and communication. An assembled recyclable rectangular working well integrated against a wall and a construction method thereof. Background technique [0002] The process of urbanization is accelerating, not only to build a large number of underground infrastructure facilities, but also to face the problem of a large number of old underground pipelines over the service period, which makes the underground pipeline network of many urban roads very complicated, and road surface collapse and safety accidents frequently occur due to damage to underground pipelines . With tr...

AI Technical Summary

Problems solved by technology

At present, regarding the design and construction of working wells, receiving wells and relay rooms, caisson well technology or inverted well technology is still the main choice. Although it is safe and reliable, it has high cost, long construction period, difficulty in sinking, inclination and improper operation. Instability accidents, etc., especially in working wells, one or more sides may need to bear the jacking reaction force during the pipe jacking construction process, and the establishment of the back wall is also a very complicated process

Images