Chapter 382: Jacking method

Text Chapter 382: Pushing Method
Because the pipeline construction needs to avoid the buildings on the ground, and considering the influence of factors such as thermal expansion and contraction, the pipeline cannot be drawn into a straight line, and an elbow must be set in the middle.
Therefore, how to install the elbow during the construction process, and how to deal with the construction problem of the pipeline direction change after the installation of the elbow, has become a problem that Chen Xin must consider.
The installation of the elbow itself is easy to say. It's a big deal to dig a shaft from the ground to put it down. Although it requires a certain amount of work, it is still easy to complete. As for how to weld, Chen Xinda can use a mechanical arm of power armor.
But how to put the pipeline down after the direction of the pipeline was changed is a difficult problem that made Chen Xin scratch his head.
If it was in the past and wanted to lay a pipeline, if it was not directly erected on the ground, the most common method used by the construction party was to excavate the entire ground for construction, and then cover it with soil and backfill after completion.
Of course, Chen Xin can also use this method, but correspondingly digging more than ten meters of snow, just to put down the pipeline, unless Chen Xin has hundreds of workers equipped with exoskeleton, and There are also a large number of construction machinery, otherwise it is not suitable for such a huge construction method.
And if Chen Xin wants to use this method for construction, he doesn't need to build a small shield machine himself.
Faced with this problem, Chen Xin did not scratch his head alone, but approached Cao Daren and asked him if there is a suitable method.
After all, Chen Xin used to be a writer who wrote online novels. Although he is not completely ignorant of this kind of construction project, he is certainly not in contact with Cao Daren.
"If this is the problem, I suggest that the writer use the pipe jacking method for construction." Sure enough, when Chen Xin asked about it, Cao Daren had already given a practical plan, and said to Chen Xin: "I thought it was a writer. You have already decided to use this method for construction! Use a shield machine to tunnel, and then use a jack to push the pipe in section by section. Isn’t this a plan you had anticipated in advance?

"The plan I envisioned is indeed to dig the tunnel with a shield machine and then put the pipe in, but the pipe jacking method you mentioned is still a bit different." Chen Xin listened to Cao Daren's introduction, but understood the pipe jacking method. What is going on, but it does have some differences with the construction method he originally envisioned.
The pipe jacking method is actually a pipeline construction method developed with the development of science and technology in order to solve the problems of complex underground pipelines and inconvenient excavation in the city.
The main construction method is to excavate the working well to reach the working depth, and then use jacks and other tools to push a section of the prefabricated pipeline into the predetermined pipeline pipeline section by section at the predetermined pipeline location to realize the pipeline installation.
Of course, this technology is mainly applied to the installation of large pipelines, and according to the different methods of excavation, it is divided into mechanical excavation jacking, extrusion jacking, hydraulic mechanical excavation and manual excavation jacking. The way.
Chen Xin's tunneling method using shield machines can also be counted as mechanical excavation jacking.
"In this case, we need to take heat preservation measures for the pipeline first, and then put it in the operation well for jacking operation." Chen Xin agreed with Cao Daren's plan after thinking about it, and he quickly thought of the construction. Issues to be noted in.
When Cao Da heard Chen Xin say this, he nodded and said affirmatively: "That's for sure. It is impossible to do insulation after the pipes are laid. That would be too troublesome."
Cao Daren agrees to perform jacking operations after the pipes are insulated. The main reason is that the work surface where they install the pipes is covered with snow, not soil or rock. If it is a harder texture such as soil or rock, the outer layer of the pipe is wrapped. Insulation materials are easily worn during the jacking process.
"Can I leave the construction to you? I am not a professional engineer and technician after all, and I have other things to do." Chen Xin looked at Cao Daren and asked him.
What he said was the truth. Although he had been exposed to engineering construction when he was still at work, Chen Xin at that time was not the person who was in charge of directing the construction at that time, and he had no experience in this area.
As for the other things he said, it was his cooperation with the country. The prototype of the project that needed him to upgrade and improve has been transported to the city through the military train together with the special forces, and is now stored in the military camp.
The prototypes of related projects previously accumulated in the urban area are also being prepared to be shipped over recently, so Chen Xin really needs to deal with these things during this period, so as not to delay the progress of the national project.
Although the appearance of Chen Xin was just a surprise for the country, the original project plan was designed without his help, but this does not mean that Chen Xin can leave the backlog of work that should have been completed there.
Therefore, Chen Xin intends to clean up the backlog of work during the construction of the second heating hub and pipeline laying. UU reading www.uukahnshu. com
And for Chen Xin, he has been busy with all kinds of things during the time he came to the city for disaster relief, first the ambulance station, then the railway station and the heating hub. After this time, he was busy in the New Year. After taking a break that day, Qin Lan and Mo Qingyan gave a big "surprise".
This also made Chen Xin want to take advantage of the opportunity for other things to be on the right track during this time, and change his mind by dealing with the backlog of work.

Chen Xin took the initiative to deal with the backlog of work, which of course was something the researchers around him couldn't ask for.
This scientific researcher has stayed here since he came to Linshi before. In addition to being responsible for contacting the city and higher-level departments, this researcher has also helped Chen Xin a lot, at least for the heating hub. This researcher contributed a lot to the construction of.
Previously, he needed to use the communication channels of the Lincheng Municipal Government to contact the higher-level departments. Now the special forces are here. They have not only built military camps, but also brought communication facilities and built a communication network. This allows this researcher to use The communication equipment of this special force makes it easier to get in touch with the superior department.
This is a good thing for both the scientific researcher himself and Chen Xin. This has made their communication with the higher-level departments much smoother. After all, it was somewhat inconvenient to borrow the communication channels of the city government before.
On the special forces side, there is no such trouble, because when they come, they will be equipped with complete communication equipment, because there are factors in it to ensure the communication between Chen Xin and the higher-level scientific research department.
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