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Chapter 118 The caisson

Tang Zhongdao was the first to stand up, raised his hands and said: "Your Majesty, your Majesty has given us merchants such good policies and opportunities, so we cannot fall behind. Old Tangtou, I am willing to organize a railway company to build this branch line from Yangzhou to Luzhou

railway."

Seeing Lao Tangtou taking the lead, other businessmen stood up one by one.

"We are willing to respond to the prince's call and form a railway company!"

"Your Majesty's railway plan is magnificent, and we are willing to contribute to it!"

Once the medal system comes out, all businessmen will be used by Li Zhi and become the vanguard of national construction. Looking at these businessmen scrambling for the first place, Li Zhi smiled.

####

Li Zhi sat on the speeding train and followed the roaring locomotive towards Kaifeng, Henan. Along the way, the beautiful scenery of one town and nine provinces passed by like a movie. The customs and customs of Tianjin and Shandong were all visible outside the train window.

Nothing left.

As soon as the train passed through Shandong, it entered the newly opened Henan section.

Here, the locomotive that appeared for the first time obviously aroused great interest among the people. Wherever the train went, people dropped their farm tools one after another and stared at the train puffing out thick smoke with wide eyes. Seeing this new model

The machinery flew past the railway at a speed of more than 50 kilometers per hour, and the people seemed to have witnessed a magical spell.

Su Laosan, the director of the locomotive factory, sat opposite Li Zhi and excitedly introduced to Li Zhi: "Your Majesty, the steam locomotive has been developed to the fifth generation. The 'Venus' we are riding now is the fourth generation.

A mature product. This locomotive is processed using the most advanced machine tools from a machine tool factory, and the boiler pressure is as high as 0.9 MPa during operation."

After hearing Su Laosan's introduction, Li Zhi nodded.

Li Zhi has a lot of know-how on steam engine technology. This is what Li Zhi saw when he checked the historical information of steam engines before traveling. But now that Fanjiazhuang's steam engines have developed to the current level, Su Laosan's understanding and mastery of steam engines has actually exceeded

Li Zhi. What Li Zhi could teach Su Laosan were only some theoretical keys to new technologies.

Su Laosan still regarded Li Zhi as a god, because Li Zhi's words often surpassed his own inspirations of several years.

However, in fact, turning these new technologies described in a few words into practical new products completely depends on Su Laosan and his team of craftsmen to explore and gradually improve.

In fact, Fanjiazhuang's various industries have developed to this day, and Li Zhi has been unable to fully master many fields. In machine tool technology, firearms technology, and chemical industry, some craftsmen at the forefront have mastered technology that exceeds Li Zhi's level.

Details. It can be said that without these craftsmen, Li Zhi himself would not be able to carry out specific scientific research at all.

Now Fanjiazhuang's scientific research team has basically entered the "post-Li Zhi era." Li Zhi now only outlines the strategic direction, and occasionally comes up with some key technical tips to point out the direction for the scientific research team, so that the scientific research team can avoid detours.

Therefore, Li Zhi now treats scientific researchers with great respect and courtesy and gives them high treatment and courtesy. For example, Su Laosan, who now has the official status of a guerrilla general, is considered to be outstanding.

0.9 MPa is already a very high pressure, equivalent to nine atmospheres. Such a boiler places extremely high requirements on the manufacturing accuracy of the steam engine. Only the most advanced machine tools in Fanjiazhuang can produce such a steam engine. To achieve this

After increasing the boiler pressure, the output horsepower of the fourth generation steam locomotive far exceeded that of the original locomotive.

Su Laosan said: "Now our trains can reach a maximum speed of 70 kilometers per hour. However, for the sake of operational safety, we still control the operating speed at 55 kilometers per hour."

Li Zhi praised and said: "Very good! Su Laosan, you did a good job."

Su Laosan touched his head, laughed loudly, and said: "Your Majesty, one day you are free to meet our motorcycle research team. There are many young people who graduated from the Polytechnic Institute. All of them are good young people who can endure hardships."

Li Zhi smiled.

Gao Ligong raised his hand and said to Li Zhi: "Your Majesty, now that there is a railway, the distance from Tianjin to Kaifeng has been greatly shortened."

"The journey from Tianjin to Kaifeng is 1,700 miles. In the past, freight between the two places relied on oxcarts, and it took half a month to travel. If there was a rain, snow or storm, it would take more time. Our industrial products from Tianjin are shipped to

In Henan, freight is higher than the cost of production, which directly makes Fanjiazhuang's industrial products prices inflated and uncompetitive."

"But now that the railway is open to traffic, the freight has dropped to an extremely low level. According to our current freight levels, the freight for one ton of goods from Tianjin to Kaifeng is four cents and five cents. If one stone of grain is shipped, the freight is less than five cents.

Silver. If you transport cotton from Fanjiazhuang, a piece of cloth weighs about ten kilograms, and the freight is only a few cents."

"Once the railway is repaired, raw materials and industrial products from various places can be transported back and forth unimpeded. Areas along the railway can vigorously expand their own advantageous products, and then the local economy will be greatly promoted."

Li Zhi nodded.

The railway continued to move forward and gradually reached the Yellow River.

Gao Ligong suddenly pointed forward and said loudly: "Your Majesty, the Kaifeng Yellow River Bridge is ahead! We are about to cross the bridge!"

Li Zhi put his head out of the window and looked at the steel bridge in front of him.

The bridge made of reinforced concrete and steel is about five or six kilometers long. It looks like a long dragon stretched over the tumbling Yellow River. The piers are all cement piers, and the bridge body is almost all steel. It looks very spectacular.

Gao Ligong said: "Your Majesty, this bridge is 7.3 kilometers long and the main bridge is 1,163 meters long. The bridge piers are the caisson technology taught to the craftsmen by the prince. A rectangular caisson with the same bottom surface and base is used to build the bridge piers.

foundation."

Caisson technology is not complicated. In the original history, the impoverished Qing Dynasty even used caisson technology to build railway bridges in 1892. After Li Zhi taught the key to this technology to the bridge craftsmen, the craftsmen quickly mastered it with the help of Fanjiazhuang Factory

of this technology.

With caisson technology, building bridge piers in the Yellow River channel is no longer a problem.

Once the reinforced concrete piers are built, the difficulty of the railway bridge is basically gone.

Gao Ligong continued to introduce: "Your Majesty, the bridge body is composed of steel trusses. The trusses are composed of section steel and steel plates, and are combined using riveting technology."

Before Gao Ligong finished speaking, the train had already entered the bridge.

Li Zhi looked at the surging Yellow River water on both sides of the bridge and laughed heartily.

"Good! Very good! This new locomotive and the Yellow River Bridge are the pearls on our Fanjiazhuang technology throne. Gao Ligong, please go back and inform the Ministry of Finance to have the new version of banknotes have the scene of our new train passing the Yellow River Bridge printed on it to enhance the prestige of our country."

!”

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