Pipe jacking construction process for underneath pass road

Abstract

The invention provides a pipe jacking construction process for an underneath pass road. The pipe jacking construction process comprises the following steps that a working well and a receiving well are excavated, and the well bottoms are leveled correspondingly; a guide rail, a jack and a jacking plate are mounted in the working well, and a plurality of unit pipes are prepared; and the unit pipes are jacked into a soil body one by one through guiding of the guide rail till the construction is finished after the working well communicates with the receiving well. By adopting the technical scheme, the unit pipes are supported through the guide rail, so that the propelling force of the jack always acts on the central axes of the unit pipes, in the propelling process of the jack, the propelling directions of the unit pipes are guided through the guide rail, the unit pipes are effectively prevented from being jacked to be deviated in the soil body, the unit pipes are always propelled into the soil body along a straight line, and the construction quality is improved; and by adopting the construction scheme, the calibration procedure of pipe jacking deviation is reduced, the technological process is simplified, the construction period is shortened, and the construction efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a pipe jacking construction process for an underpass road. Background technique [0002] When laying underground pipelines, the pipe jacking construction method is the preferred construction method, because this construction method has the greatest and best possibility of removing obstacles. With the continuous expansion of the construction scale of the transportation network, a large number of new pipelines need to be passed down There are roads. During the construction of the pipeline passing through the existing road, when the force is applied to the pipeline and the axial direction of the pipeline is deflected, the pipeline will also be deflected after being pushed into the soil, and the entire pipeline will be deflected accordingly, resulting in construction failure. The design requirements cannot be met, so in order to ensure the smooth progress of the con...

AI Technical Summary

Problems solved by technology

The technical solution disclosed in this patent document completes the correction of the direction of the pipe jacking through the corresponding pipe jacking system. However, this process requires a lot of various process equipment and instruments, and the investment cost is relatively high, and the pipe jacking construction process Increasingly complex, affecting the construction period

Therefore, the existing pipe jacking construction methods can no longer shorten the construction period and improve construction efficiency while ensuring the direction of pipe jacking.

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