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Chapter 383 Pushing Method

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    Because pipeline construction needs to avoid buildings on the ground, and taking into account factors such as thermal expansion and contraction, the pipeline cannot be drawn into a straight line, and elbows must be set in the middle.

    Therefore, how to install elbows during the construction process and how to deal with the construction problems of changing the direction of the pipeline after installing the elbows have become issues that Chen Xin must consider.

    The installation of the elbow itself is easy. At most, it is necessary to dig a shaft from the ground and lower it down. Although this requires a certain amount of work, it is still easy to complete. As for how to weld it, Chen Xinda can use the mechanical arm of the power armor to do it.

    But after the pipeline line changes direction, how to put the pipeline down is a problem that makes Chen Xin scratch his head.

    If you want to lay a pipeline in the past, if it is not directly erected on the ground, the most common method used by the construction company is to dig up the entire ground for construction, and then backfill it with soil after completion.

    Of course, Chen Xin can also use this method, and dig out more than ten meters of snow just to put down the pipeline. Unless Chen Xin now has hundreds of workers equipped with exoskeletons, and  There are also a large number of construction machinery, otherwise they would not be suitable for such a huge construction method.

    And if Chen Xin wants to use this method for construction, there is no need for him to make a small shield machine himself.

    Faced with this problem, Chen Xin did not scratch his head alone. Instead, he approached Cao Daren and asked him if there was a suitable method.

    After all, Chen Xin was just a writer who wrote online novels before. Although he doesn’t have a complete understanding of this kind of construction project, he certainly doesn’t have as much exposure to it as Cao Daren.

    "If this is the problem, I suggest you, writer, use the pipe jacking method for construction." Sure enough, when Chen Xin asked, Cao Daren had already given a practical plan and said to Chen Xin: "I thought writer  You have already thought about using this method of construction! Use a shield machine to dig in, and then use jacks to push in the pipe section by section. Isn't this the plan you had envisioned in advance?"

    "The plan I envisioned is indeed to use a shield machine to dig the tunnel and then put the pipe in, but it is still a bit different from the pipe jacking method you mentioned." After listening to Cao Daren's introduction, Chen Xin understood the pipe jacking method.  What's going on, but this is indeed somewhat different from the construction method he originally expected.

    The pipe jacking method is actually a pipeline construction method developed with the development of science and technology to solve the problems of complex underground pipelines and inconvenient excavation in cities.

    The main construction method is to excavate the operating well to reach the operating depth, and then use jacks and other tools to push the prefabricated pipes section by section into the predetermined pipeline at the predetermined pipeline location to achieve pipeline installation.

    Of course, this technology is mainly used in the installation of large pipelines, and according to different excavation methods, it is divided into mechanical excavation and jacking, squeeze jacking, hydraulic mechanical excavation and manual excavation and jacking.  The way.

    Chen Xin’s method of tunneling using a shield machine can also be regarded as mechanical excavation and jacking.

    "In this case, we need to insulate the pipeline first, and then put it in the working well for jacking operation." Regarding the plan given by Cao Daren, Chen Xin agreed after thinking about it, and quickly thought of the construction  issues to pay attention to.

    When Cao Da heard what Chen Xin said, he nodded and said affirmatively: "That's for sure. It's impossible to do insulation after the pipes are laid. That would be too troublesome."

    Cao Daren agreed to insulate the pipes before jacking them in mainly because the working surface where they installed the pipes was covered with snow, not soil or rock formations, because if it was a harder texture like soil or rock formations, the outer layer of the pipes would be wrapped  The insulation material is easily worn during the jacking process.

    "Can I leave this aspect of construction to you? After all, I am not a professional engineering technician, and I have other things to do." Chen Xin looked at Cao Daren and asked him.

    What he said was true. Although he had been exposed to engineering construction when he was still at work, at that time Chen Xin was not the person responsible for directing the construction on site and had no experience in this area.

    As for the other things he said, they were matters of cooperation between him and the country. The project prototype that required him to upgrade and improve had been transported to Linshi by military train with the special forces and is now being stored in the military camp.

    The prototypes of related projects that have been accumulated in the city are also being shipped recently, so Chen Xin really needs to deal with these things during this time to avoid delaying the progress of the country's projects.

    Although the emergence of Chen Xin is very important to the country,It was just an unexpected surprise. The original project plan was designed without his help, but this did not mean that Chen Xin could just leave the backlog of work that should have been completed there.

    So Chen Xin planned to take advantage of the construction of the second heating hub and the laying of pipelines to clear the backlog of work first.

    And for Chen Xin, he has been busy with various things during the time he came to Linshi for disaster relief, first at the ambulance station, and then at the train station and heating hub. After all this busyness, he was just celebrating the New Year.  I took a short rest that day, but was given a big "surprise" by Qin Lan and Mo Qingyan.

    This also makes Chen Xin want to take advantage of this period of time when other things are on track to change his mind by dealing with the backlog of work.

    ————————————————————

    Chen Xin took the initiative to deal with the backlog of work, which was certainly something that the scientific researchers around him wanted to do.

    This scientific researcher has been staying here since he came to Linshi. In addition to being responsible for contacting the urban area and superior departments, this scientific researcher also helped Chen Xin a lot, at least with regard to the heating hub.  This scientific researcher has contributed a lot to its construction.

    In the past, he had to rely on the communication channels of the Linshi City Government to communicate with his superior departments. Now the special forces have come and not only built military camps, but also brought communication facilities and set up a communication network, which allows this scientific researcher to use  The communication equipment of this special force makes it easier to communicate with higher-level departments.

    This is a good thing for both the researcher himself and Chen Xin. It makes their communication with higher-level departments much smoother. After all, it was somewhat inconvenient to use the communication channels of Linshi City Government before.

    "The special forces don't have such troubles, because the reason why they were equipped with complete communication equipment when they came was to ensure that Chen Xin could communicate with his superior scientific research departments.  (Remember the website address: www.hlnovel.com
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