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Chapter 697: Needle Threading Under the Sea

Together with the dragon, you must succeed in one go!

This is the pressure for everyone and their greatest motivation.

Difficult? That's right.

Too easy and too unchallenging, they are not interested yet.

Looking at everyone's eagerness to try, the leaders were very uneasy, but looking at the two chief engineers Su Lin, they looked helpless.

There is no way, everyone is so powerful, they can’t be humble even if they want to be humble.

There are many different opinions on their optimism in the international media.

With its own strength, China has gone from having no core technology to the current massive Zhuhai-Hong Kong-Macao Bridge, which is a trinity of bridges, islands and tunnels. As of this time, it has been less than eight years.

Although Huaxia did not leak any data and it was covered up very strictly, everyone can guess it.

Lu Zian must have participated.

Moreover, the reappearance of Jun porcelain in the past is inevitable.

They love and hate Lu Zian.

Talents are rare. Although they envy them, they have to admit that sometimes abilities are greater than anything else. Master Lu’s skills are so profound that they can’t help but admire them.

If Lu Zian was in their country, they would definitely regard him as a guest of honor and wish he could be praised to heaven.

Unfortunately, such a person fell in China.

Lu Zian's sudden appearance broke the vague peace of all countries in the past.

He has made various innovations, inheritances and methods emerging one after another, leading the Chinese people on a completely different path than before.

But what about them?

They can't get anything from the benefits Lu Zi'an brings.

Not to mention eating meat, they can't even drink soup.

Sometimes I finally rushed to get some, and even occasionally paid a heavy price. Before I could be happy for a few days, I found that it was full of scumbags!

This feeling is too heartbroken.

On this basis, can we still expect them to say something good to Lu Zi'an?

Of course it is impossible.

It is impossible to praise it. If you don’t secretly slander it, you’re sorry for Lu Zian’s face being ashamed.

Therefore, countries not only pulled out their own high-end bridge buildings and praised them, but also showed off various top technologies.

As if unintentionally, it would occasionally mention the difficulties faced by China when it was unable to build Zhuhai, Hong Kong and Macao.

Although it is not very obvious, that kind of arrogance will spread from the lines.

Many people in China who are unknown, have become irritated after reading these articles.

But what can I do?

What people are talking about is the fact, this is the most annoying thing.

Although Huaxia's reaction was not slow, many forum websites were still blasted.

On that day, the phone number was called to the project, which happened to be the call that General Manager Lin answered.

"General Engineer Lin, look, should you give a picture or something to make them restrain themselves?" The official in charge tried to tactfully: "The leader was a little angry after reading their words."

"Oh, you talk about this, I've seen it before." Chief Engineer Lin was very calm and even had the mood to drink a cup of green tea: "I'm making arrangements here, don't worry."

Arranged?

The staff expressed their joy for their rapid reaction and the leader was pleased: "How did they arrange it?"

"Hey." Chief Engineer Lin smiled and glanced at the people who were working hard: "We found that in the articles they published, in order to demonstrate their abilities and engineering accuracy, some internal data were revealed..."

Although it is not very obvious, there are too many articles. If you piece them together, you can probably draw a contour.

“…What does this mean?”

Chief Engineer Lin was very happy: "They thought we couldn't understand it. Haha, I have arranged personnel here and are analyzing their internal data. Please rest assured that our leader is here, we are here to stay!"

What is this like?

When I was in the middle school entrance examination, I wanted to find a teacher to train, but I was rejected.

Later, he found another famous teacher. Not only did he get into a good high school, but he also studied hard, improved every day, and got into a good university.

At this time, the original teacher took a reference answer with disgust: "Hey, that person, it's not that I don't want to teach you, it's because you have too poor qualifications. Don't believe it? You can't even understand my answer in front of you."

Others think it's a slap in the face, but in fact, General Manager Lin and others are reluctant to ask for it.

Not only did he not respond, he also took the answer quickly and pushed it back.

The leaders never expected that the reaction they gave was like this, which was so funny.

After discussing with Lu Zian and the others, General Engineer Lin even asked Zhuo Peng to intervene, making the fire even bigger.

The entire industry was in chaos for a while, and there were all kinds of voices that criticized their projects.

At this time, the installation of their final connectors has been put on the agenda.

In April, the Engineering Command invited nearly 100 experts, including Academician Sun, Professor Xu, and Tongji alumnus Academician Ye, to go to Zhongshan City to participate in the "Expert Consultation and Review Meeting on the Final Joint Installation of Immersed Tube Tunnel of the Hong Kong-Zhuhai-Macao Bridge Island Tunnel Project" to "take the pulse and consult" for the construction of the last 12-meter Immersed Tube.

The installation of 12-meter connecting immersed tubes requires a hydrological window, and there are only two hydrological windows between April and May.

In other words, after May, Lingdingyang will no longer be suitable for installation operations.

The final installation of the joint requires calm sea surfaces and clear sky and visibility of more than 1,000 meters, so the short-term forecast of the weather and real-time forecast must keep up.

After reporting on all the topics, Academician Sun said: "Although everyone is very cautious, please consider the following risks carefully: the mechanical analysis of the foundation bed soil under the final joint of the sinking tube should be studied more deeply, the impact of the lateral water flow force during the final joint in place and the early structural settlement analysis should be accurate. Everyone must study these key issues thoroughly, grasp them well, and use the correct results to guide the installation and construction of the final joint."

The final result is done.

On the morning of May 2, the final joint arrived at the mooring area.

After confirming that everything was correct, at around 7:20, the "Zhenhua 30" hung a joint weighing 6,000 tons, and slowly sank after completing 90 degrees of rotation in the construction waters.

In this process, they must overcome the influence of currents and waves.

Not only does the direction need to be perfectly controlled, but the plane error of the joint must always be kept within 15mm.

"What does this mean?" Academician Sun looked at the screen and felt quite nervous: "People like to say that women's hearts are needles under the sea. Our combination of dragons is no less difficult than needles under the sea."

The final joint lifting is the most critical battle in tunnel construction, which determines the success or failure of the construction of the immersed pipe tunnel and also determines the success or failure of the construction of the Hong Kong-Zhuhai-Macao Bridge.

The installation and construction space of the Longkou port of the undersea tunnel is the smallest, the Longkou water flow is the fastest, and the accuracy of the docking position is the highest.

Everyone was nervous, and Lu Zi'an's forehead was even sweating.

For this moment, they have been preparing for too long, too long.

During the long four and a half hours, every turbulent flow of water will cause subtle fluctuations in the data.

And they must choose the right time in this fluctuation and lead the needle!

In the entire command room, a needle can be heard.

Lu Zian stared at the joint, looking at its subtle swing amplitude without blinking.

finally!

He shouted in a deep voice: "Start!"

All machinery is started at the same time, and the wedge joint is slowly embedded.

At 12 noon, the joint finally implanted successfully.

But no one dared to relax. They stared at all the data anxiously, and many people jumped down on the construction site.

Various data are continuously transmitted, and everyone is intensively calculating and verifying.

Finally, all parties confirmed it, and the upper and lower errors of the final joint were perfectly controlled at 3 mm!

With their original estimate of 15 mm, it was reduced by a full 12 mm!

Chief Engineer Su slapped the table and could no longer hide the smile on his face. He shouted: "Okay! I announce! The installation of the immersed tube was successfully completed!"

Before he finished speaking, everyone stood up and applauded vigorously.

At the same time, firecrackers were roaring outside, and the noise swept the entire construction site.

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