Chapter 384: 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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