阅读说明：本技术 一种非开挖地下管线施工免铺管方法 (Pipe laying-free method for non-excavation underground pipeline construction ) 是由 张鹏伟 廖昶 于 2020-07-21 设计创作，主要内容包括：本发明公开了一种非开挖地下管线施工免铺管方法,包括采用非开挖技术挖掘管线通道、向管线通道内填充管壁加固材料、采用胀管方法加压管壁加固材料形成管线管壁和向管线通道内充入高温热蒸汽来养护管线管壁；本发明通过非开挖的技术进行挖掘,不会不会阻碍交通,不会破坏绿地、植被,不会影响商店,医院,学校和居民的正常生活和工作秩序,解决了传统开挖施工对居民生活的干扰,对交通,环境,周边建筑物基础的破坏和不良影响,通过向管线通道内填充管壁加固材料、采用胀管方法加压管壁加固材料形成管线管壁和向管线通道内充入高温热蒸汽来养护管线管壁的方法能够实现免铺管,利用一体成型的方法形成管路的管壁,极大的降低了施工难度和施工周期。(The invention discloses a pipe laying-free method for trenchless underground pipeline construction, which comprises the steps of excavating a pipeline channel by using a trenchless technology, filling a pipe wall reinforcing material into the pipeline channel, pressurizing the pipe wall reinforcing material by using a pipe expanding method to form a pipeline pipe wall, and filling high-temperature hot steam into the pipeline channel to maintain the pipeline pipe wall; the invention excavates through the non-excavation technology, can not obstruct traffic, can not destroy greenbelts and vegetation, can not influence the normal life and work order of shops, hospitals, schools and residents, solves the problem that the interference of the traditional excavation construction on the life of residents, the damage and the adverse effect on the traffic, the environment and the foundation of surrounding buildings, can realize the laying-free pipe by filling the pipe wall reinforcing material into the pipeline channel, adopting the pipe expanding method to pressurize the pipe wall reinforcing material to form the pipe wall of the pipeline and filling high-temperature hot steam into the pipeline channel to maintain the pipe wall of the pipeline, and utilizes the integral forming method to form the pipe wall of the pipeline, thereby greatly reducing the construction difficulty and the construction period.)

1. A non-excavation underground pipeline construction pipe laying-free method is characterized by comprising the steps of excavating a pipeline channel by adopting a non-excavation technology, filling a pipe wall reinforcing material into the pipeline channel, pressurizing the pipe wall reinforcing material by adopting a pipe expanding method to form a pipeline pipe wall, and filling high-temperature hot steam into the pipeline channel to maintain the pipeline pipe wall; the concrete construction steps are as follows: the method comprises the steps of excavating a pipeline channel by adopting a non-excavation technology, filling a pipe wall reinforcing material into the pipeline channel, pressurizing the pipe wall reinforcing material by adopting a pipe expanding method to form the pipe wall of the pipeline, and filling high-temperature steam into the pipeline channel to maintain the pipe wall of the pipeline.

2. The trenchless underground pipeline construction pipelaying-free method according to claim 1, characterized in that: the pipeline channel excavating method by adopting the non-excavation technology comprises the following specific steps: firstly, guiding drilling and orientation; secondly, hydraulic jacking and manual excavation; and thirdly, withdrawing the drilling machine after the pipeline channel is excavated.

3. The trenchless underground pipeline construction pipelaying-free method according to claim 1, characterized in that: the concrete steps of filling the pipe wall reinforcing material into the pipeline channel are as follows: firstly, stirring the indigenous soil, a soil curing agent and a small amount of cement to form a pipe wall reinforcing material; filling pipe wall reinforcing material into the pipeline channel.

4. The trenchless underground pipeline construction pipelaying-free method according to claim 1, characterized in that: the method for forming the pipeline wall by pressurizing the pipe wall reinforcing material by adopting the pipe expanding method comprises the following specific steps of: firstly, a pipe expander is put into a pipeline channel; pressurizing and solidifying the pipe wall reinforcing material into a new pipe wall of the pipeline by using a pipe expander; and withdrawing the pipe expander from the pipeline after construction.

5. The trenchless underground pipeline construction pipelaying-free method according to claim 1, characterized in that: the concrete steps of filling high-temperature steam into the pipeline channel to maintain the pipeline wall are as follows: firstly, a high-temperature steam pipe is put into a pipeline channel; secondly, starting a high-temperature steam engine to fill high-temperature steam into the pipeline to maintain the pipe wall of the pipeline; and withdrawing the high-temperature steam pipe from the pipeline channel after the maintenance is finished.

Technical Field

The invention relates to the technical field of pipeline construction, in particular to a pipe laying-free method for trenchless underground pipeline construction.

Background

Most of the existing underground pipeline construction methods are to lay pipelines after large-area excavation, and the method can affect the daily life of residents and can damage buildings and the environment to a certain extent.

If the trenchless construction method is used, the construction difficulty and the construction period are greatly increased.

Disclosure of Invention

In view of the problems in the prior art, the invention discloses a pipe laying-free method for trenchless underground pipeline construction, which adopts the technical scheme that the method comprises the steps of digging a pipeline channel by using a trenchless technology, filling a pipe wall reinforcing material into the pipeline channel, pressurizing the pipe wall reinforcing material by using a pipe expanding method to form a pipeline pipe wall, and filling high-temperature hot steam into the pipeline channel to maintain the pipeline pipe wall; the concrete construction steps are as follows: the method comprises the steps of excavating a pipeline channel by adopting a non-excavation technology, filling a pipe wall reinforcing material into the pipeline channel, pressurizing the pipe wall reinforcing material by adopting a pipe expanding method to form the pipe wall of the pipeline, and filling high-temperature steam into the pipeline channel to maintain the pipe wall of the pipeline.

As a preferred technical scheme of the present invention, the excavating pipeline channel by using the trenchless technique comprises the following specific steps: firstly, guiding drilling and orientation; secondly, hydraulic jacking and manual excavation; and thirdly, withdrawing the drilling machine after the pipeline channel is excavated.

As a preferred technical solution of the present invention, the filling of the pipe wall reinforcing material into the pipeline channel specifically comprises the steps of: firstly, stirring the indigenous soil, a soil curing agent and a small amount of cement to form a pipe wall reinforcing material; filling pipe wall reinforcing material into the pipeline channel.

As a preferred technical scheme of the invention, the concrete steps of adopting the pipe expanding method to pressurize the pipe wall reinforcing material to form the pipe wall of the pipeline are as follows: firstly, a pipe expander is put into a pipeline channel; pressurizing and solidifying the pipe wall reinforcing material into a new pipe wall of the pipeline by using a pipe expander; and withdrawing the pipe expander from the pipeline after construction.

As a preferred technical scheme of the invention, the concrete steps of filling high-temperature hot steam into the pipeline channel to maintain the pipeline wall are as follows: firstly, a high-temperature steam pipe is put into a pipeline channel; secondly, starting a high-temperature steam engine to fill high-temperature steam into the pipeline to maintain the pipe wall of the pipeline; and withdrawing the high-temperature steam pipe from the pipeline channel after the maintenance is finished.

The invention has the beneficial effects that: the invention excavates through the non-excavation technology, can not obstruct traffic, can not destroy greenbelts and vegetation, can not influence the normal life and work order of shops, hospitals, schools and residents, solves the problem that the interference of the traditional excavation construction on the life of residents, the damage and the adverse effect on the traffic, the environment and the foundation of surrounding buildings, can realize the laying-free pipe by filling the pipe wall reinforcing material into the pipeline channel, adopting the pipe expanding method to pressurize the pipe wall reinforcing material to form the pipe wall of the pipeline and filling high-temperature hot steam into the pipeline channel to maintain the pipe wall of the pipeline, and utilizes the integral forming method to form the pipe wall of the pipeline, thereby greatly reducing the construction difficulty and the construction period.

Detailed Description