1966, May.
The atmosphere in the capital became even more oppressive.
The streets are full of young people wearing green military hats, green military uniforms and armed belts around their waists.
They observe their surroundings at all times and will immediately correct any suspicious persons.
On May Day, Yan Jie and his wife took their children to Lao Chang's house.
Today Chang Kexin's eldest brother Chang Sheng returned to Beijing, and Yan Jiecheng met this uncle for the first time.
In his thirties, his face is full of stories.
He was very affectionate when he met him, patting Yan Jiecheng on the shoulder and calling him brother-in-law.
If his hand strength were smaller, Yan Jiecheng would probably really believe his enthusiasm.
Although there is a revenge mentality towards Yan Jiecheng, it is really good for the two children.
This time I came from the south and brought many gifts for the children.
This time, his job was changed and he needed to report to the relevant place, so he had the opportunity to go home.
He has been fighting in the south for the past few years and is now a deputy division commander.
When he came back this time, it was said that he was assigned the position of battalion commander in the newly established military branch.
In the study room of the Chang family, Yan Jiecheng heard his uncle tell him the name of the new unit and knew that he, the battalion commander, was definitely making a lot of money.
I didn’t expect that my elder brother-in-law was destined to be a member of his mother’s family.
Their new unit is specifically responsible for Miss Qiu's marriage.
Therefore, Yan Jiecheng and I can be regarded as traveling together. They are both engaged in transportation.
It's just that my uncle is a courier company, and his service attitude is very good. He never has any bad reviews. He insists on fulfilling his mission.
After talking about his uncle, Lao Chang said to Yan Jiecheng earnestly: "You, please keep a low profile during this period. I won't come here often in the future."
Yan Jiecheng knew Lao Chang's recent situation. Compared with Minister Lu, Lao Chang's life during this period was simply unbearable. It was too intense and torturous.
Many people have been innocently implicated, but as the local government, do they care?
This is a test of human nature.
Nowadays, people like Lao Chang are walking on thin ice, carefully maintaining the balance of all parties.
It is obvious that their approach dissatisfied all parties.
The superiors were already dissatisfied with him and beat him in various ways.
Life is hard.
After Yan Jiecheng and his wife returned home, they put their two children to sleep.
Chang Kexin leaned on Yan Jiecheng's shoulder and said softly: "When do you think this kind of life will end?"
Yan Jiecheng thought about it and realized that the most severe events were in the first two years. After 1968, things became much calmer.
So he comforted him: "It's okay, it won't always be like this. We have to trust the organization."
All the distractions in the world cannot stop the workers from working.
After May Day, Yan Jiecheng was sent on a business trip to Caiyunzhinan.
This time he went out to inspect on behalf of the ministry, mainly to inspect the construction situation of the Kunming Railway and summarize some experiences.
The Chengdu-Kunming Railway has also experienced many ups and downs.
In 1953, after a walking survey and geological research by route selection experts, the Chengdu-Kunming Railway project formed three major route plans: the west line, the middle line and the east line.
In March of the same year, when deciding on the plan for the Chengdu-Kunming Railway, experts led by Luo Gong and Mao Xiong experts had a fierce dispute over the direction of the line.
The middle line plan insisted by Mao Xiong experts passes through the Shuicheng Coal Mine. The line mileage is short, the project is small, the investment is short, the benefits are quick, and it is close to the Dongchuan Copper Mine that was about to be developed at that time.
The western route plan supported by Luo Gong has the longest route mileage, complex geology and steep terrain, sparsely populated areas, lack of products, and passes through areas with many singing and dancing people.
However, the areas along the western route are rich in undeveloped minerals and other natural resources, which can take the opportunity to develop the regional economy.
It was very important for the country's subsequent development, so Luo Gongcai advocated the Western Front plan.
However, due to the influence of the domestic implementation of the policy of learning from the woolly bear, the Chengdu-Kunming Railway adopted the center line plan in the initial construction period.
In 1954, the preliminary design plan based on the Maoxiong Railway technical standards was immediately sent to the capital for appraisal.
In June of the same year, the rich mineral resources of the ferry were confirmed, prompting the Chengdu-Kunming Railway to switch to Luo Gong's west line plan.
In 1958, the Chengdu-Kunming Railway project was divided into the north and south ends with Xichang as the boundary for preliminary testing and preliminary design preparation, and the construction documents for key projects such as the Cheng'e section of the line and the Shamulada Tunnel were completed.
In July of the same year, the Chengdu-Emei section of the Chengdu-Kunming Railway was fully constructed.
Later, due to the impact of the domestic economic situation, there was no future.
The start of work meant a shutdown, so Luo Gongcai had nothing to do and went to the steel rolling mill to be responsible for upgrading the lines.
This year, the construction of this railway is really on the right track. According to Yan Jiecheng's report, there were more than 359,700 construction workers during the same period.
As many people as there were in a county in later generations.
This line has experienced so many twists and turns, so the ministry sent an inspection team headed by Yan Jiecheng to check the construction status.
Of course, the construction status of the Guiyang-Kunming Line was also within the scope of their inspection this time.
Minister Lu also explained some things to Yan Jiecheng in private.
It's not a shameful thing, it's just asking him to pay attention to the work of the road bureaus along the way.
Let’s take a look at the specific impact on the operation of the road bureau.
Yan Jiecheng agreed with his mouth, but resisted in his heart.
He is now known as several experts.
Construction safety expert, accident investigation expert, railway design expert, railway construction expert.
He knew that experts like them would also be affected soon.
As the saying goes, it's fun to show off for a while, but it will be a crematorium afterwards.
During this business trip, Yan Jiecheng and the others were all honest and did not feel like leaders from the capital at all.
I am also cautious when meeting young people, for fear of being picked off.
The journey along the way was miserable.
None of them dared to sit on sleepers, they all had small benches and hard seats.
There was a lot of smoke and smoke along the way, and transportation was more or less affected to varying degrees.
The dining car on the bus also lacked those exquisite side dishes, and the food was deliberately made unpalatable. There are also stones added to the millet porridge, so be careful when eating.
Beautiful name: remember the bitter and think of the sweet!
Next to the meal, there was a teenage girl staring at everyone.
If anyone dares to criticize the food for not being delicious, he will be scolded at worst, and will be kidnapped at worst.
On the train, there are young people in the carriage from time to time, criticizing and abusing passengers.
Everyone pretended not to care, and those who cared had been dealt with.
They are all teenagers, and they are not serious. No one dares to trust these people with their lives.
When we arrived at our destination, the atmosphere here was relatively normal.
On the construction site, most of them are from the Railway Corps, and discipline is still very strong.
The person in charge of this project is of a terrifyingly high level. Even if Minister Lu comes, he still needs to salute.
Therefore, Yan Jiecheng and the others did not dare to disturb him.
A group of them went directly to the construction site to inspect it.
Of course, everyone was communicating with the technical staff on the construction site with a learning attitude.
Technicians like Yan Jiecheng really admire these construction workers.
This is the Central Yunnan Plateau, known as the railway restricted area.
According to current technology, breaking this eternal isolation between steep mountains and rivers will undoubtedly be a difficult long march.
The railway soldiers were cutting mountains and rocks on the edge of the cliff, with an abyss behind them. They used their flesh and blood to forge this road.
These people are now considered to be thoroughly trained. They have all participated in the previous line selection and design to the current construction.
Therefore, they can be said to be the mainstay of the railway construction industry.
"Captain Yan, I really didn't expect that they would actually build a bridge in such a dangerous place."
The members of the inspection team who came together looked at the Yingshui River Bridge in front of them and said.
After hearing this, Yan Jiecheng also sighed: "This idea is simply unbelievable and breathtaking?"
Seeing that someone in the group didn't understand, Yan Jiecheng said, "Don't just look at the location of the bridge, look at its structure."
As he spoke, Yan Jiecheng pointed to the bridge and said: "This is a new structure, new technology, and new materials.
Compared with steel riveted beams of the same span, this bridge can effectively reduce its weight by 30%.
Think about it, what is this concept?
In other words, while reducing the steel material by 30%, it also increases the load. "
Others don't know it, but Yan Jiecheng knows the technology of this bridge at a glance.
This bridge is built using the bolted and welded beam method, which does not require a single rivet and relies entirely on screw-connected rods.
The successful construction of the Yingshui River Bridge is something worth celebrating not only for the railway soldiers.
It is also cause for celebration for our entire bridge construction industry.
It marked that my country's first trial construction of a bolted and welded beam bridge was a complete success.
Since then, my country's bridge construction has mastered a new technology.
After listening to Yan Jiecheng's words, the members of the group asked Yan Jiecheng to explain this structure to everyone.
As a technical person, since everyone asked, Yan Jiecheng told everyone.
“The bridge has a total length of 203.4m, and the main hole is a 112m bolted rigid beam and flexible arch combination system.
The north and south side holes are 24m and 40m upper-bearing steel trusses respectively.
The flexible arch rib line type is a quadratic parabola, the arch span is 96m, and the sagittal degree is 1:6.
The rigid beam truss is 8m high, 8m long between sections, and the truss center distance is 5.75m.
The inclined rods and arch ribs at the beam ends use box-shaped sections, and the other rods have H-shaped sections.
The main trusses, longitudinal and cross beams and connecting systems use 16mn bridge steel, with a maximum thickness of 24mm.
The steel beams are installed using the semi-cantilever assembly method of temporary buttresses.
After the rigid beams of the whole bridge are assembled, the camber is adjusted, and then the arch ribs and suspenders are assembled. Then the reaction force of the two temporary piers is adjusted to make the internal force of the arch ribs reach the design value, and then the arch is sealed and formally connected. "
Everyone was a little shocked after listening to Yan Jiecheng's explanation. The structure was too clever.
If Yan Jiecheng were asked to evaluate this bridge, Yan Jiecheng would only want to say one word.
Industry style.
Road and bridge trends.
Industry elite.
World famous bridge.
Of course, these days, it is not only the Yingshui River Bridge that surprises Yan Jiecheng and others.
This route spans complex landforms such as snow-capped mountains, canyons, and jungles in central Sichuan and Yunnan.
Yan Jiecheng is willing to call it one of the most dangerous railway lines on earth.
The entire railway has a slope of more than 1,000 meters, with a maximum climb of 5.9%. The most famous section is the central Yunnan area between Sichuan and Chongqing and Dali, Yunnan.
The slope is 5.9%. Many people may not know what it is.
But Yan Jiecheng knew that later urban rail transit and railway design specifications stipulated that the maximum gradient was 3.5%.
As you can imagine, the construction of this railway was difficult.
Yan Jiecheng has had many in-depth exchanges with these builders these days.
Everyone is in the technical field, there are not so many twists and turns, and they are all open and honest when talking about technology.
Just as Yan Jiecheng thought, the engineers here faced unprecedented challenges during the construction of the Chengdu-Kunming Railway.
Such as bad weather, steep cliffs, geological disasters, etc.
They even had to build piers and flying ropeways to support the planned bridges and tunnels.
At the same time, we have to contend with summer floods and mudslides.
So when Yan Jiecheng and his inspection team left, Yan Jiecheng said to the local engineer in charge of the work: "You are great, you have created amazing miracles."
In his report to the ministry, he truthfully recorded all this, and he made no secret of his admiration for all the personnel of the Chengdu-Kunming Line.
He even said in the report that the Chengdu-Kunming Line is a miracle in the history of human architecture and wrote his own views on this line.
Yan Jiecheng wrote that this will be an extremely difficult project in history.
It will surely become one of the models in the history of railway construction in our country and one of the amazing architectural miracles in the world.
Looking at Yan Jiecheng's report, no one in the inspection team refuted it. They also signed behind Yan Jiecheng's name.
Of course, in addition to these proud achievements.
There was also something that caused Yan Jiecheng to collapse.
The construction of this railway was so tragic.
It can be said to be made of flesh and blood.
According to what Yan Jiecheng learned during this period, too many lives were sacrificed for this railway.
On average, three or four lives are lost for one kilometer of line.
You must know that this railway is a full 1,200 kilometers.
Yan Jiecheng silently gave these people a name: people who build ladders to heaven.
This cannot be said to be a production accident at all.
This is collective martyrdom.
Because everyone knew they had to sacrifice, they all rushed to get in.
This touched Yan Jiecheng very much.
The group of them stayed online for more than a month.
I didn't return to the capital until early August.
The atmosphere in the capital remains tense.
Yan Jiecheng went to Minister Lu several times to report the research results, but he couldn't find anyone.
Later I found out that they were taken away for education.
It's scary to think about it. Some young people in the ministry have established their own organizations.
In the beginning, it was the younger members of the big courtyard. These people have good roots and are full of passion for their careers.
Later, some other disciples also followed the same example.
Their biggest hobby is to drag Minister Lu to study.
It's sad to think that the leader of the Dangdang series has to suffer such a thing.
Director Dai Zhuo's son Dai Mao is now the leader, and has severed ties with Director Dai.
At first, Lao Dai could still throw a few teacups and show his anger. Later, he probably felt more grief than death, and his whole body lost the energy of the past. He looked taciturn when he stayed in the ministry every day.
The department's general coordination room is completely in ruins.
They can no longer maneuver any trains, and blocking trains by lying on the tracks has become the norm across the country.
Some lines were even interrupted for dozens of hours.
It’s messed up, it’s all messed up.
The department is in chaos all day long. rNo one has a backbone, and their work is done perfunctorily.
