"Take me to see." Huo Gang nodded and said. According to the Spirit of the Yumen, there is only less than a week left for the formation of the river. If the river channel is to be dug and a long enough river channel is built, the time will be quite tight.

"General, please follow me." Yang Laowu immediately spoke.

The horse turned over and followed Yang Laowu and Huo Gang to investigate the terrain. According to the source of the river chosen by Huo Gang, it was in the Qilian Mountains next to it. Huo Gang can now determine the location where it can flow out, because there is only one valley here that stretches out from the mountains.

By then, the river will definitely flow out of this valley, and the depression chosen by Yang Laowu and the others is actually at the exit of this valley. Huo Gang and others stood at a height and observed it. The area of ​​this depression is very large, estimated to be at least twenty kilometers north and south, and it may be longer from east to west. However, to the east, the mountain range where Yangguan is located and the Qilian Mountains gradually began to close together.

Although the mountains in the middle are still lower than the mountains on both sides, they are much higher than the terrain in the west, so there is no need to worry about the water flowing out there.

"A few of you have investigated here. They probably estimated that the lowest place in the middle of this depression is about 10-15 meters lower than the highest place on the west side. After the natural embankment on the west side, the terrain begins to extend downwards. If we dig in advance there, the river can only flow out from that place."

"If you go down from the natural dam, the terrain will be relatively smooth after a distance, so in order to concentrate the impact of the water flow, we should dig in that place and tie the river in advance. It is enough for us to use it later." Yang Laowu said quickly.

"Your time is very tight, I think it's too late, especially the rivers on both sides. If you want to use cement to build the rivers, the cement that you burned during this period may not be enough?" Huo Gang asked.

"It should be enough. Wang Luo and Tian Zhong have discussed that considering the impact of the water flow in the construction of the river bank, the muddy concrete that the general made before was not very practical, but cement can act as a binder, and then stones can be used as bricks, similar to building a city wall. In this way, the embankment uses large amounts of large stones and cement for bonding, and the amount of cement in the embankment will not be too much."

"As for the excavation of the river embankment, you may need to order the general to mobilize these people and herdsmen from the Tongluo tribe. If there are ten thousand people, five days will be enough to dig out this section of the river. This is because our tools are not enough, otherwise, the time should be shorter."

"During this period, I went to Ak City to buy a lot of iron tools. Lu Feng and everyone has made these iron tools into iron pickaxes and shovels." Yang Laowu said quickly.

"I can give an order, but you have to consider one issue in advance, that is, the bridge." Huo Gang thought about it and still reminded him.

"When it comes to this, General, I have to introduce someone to you." Yang Laowu said with a smile.

"Oh?" Huo Gangzao looked at Yang Laowu with interest.

"He is Zheng Feng, his courtesy name is Gaoyuan, and he is a bridge expert. His teacher is a famous bridge master from the former Sui Dynasty, Li Chun." Yang Laowu said with a smile.

"Who do you think his teacher is?" Huo Gang was stunned for a moment and couldn't help asking.

"Li Chun, General knows Li Chun?" Yang Laowu looked at Huo Gang in surprise.

"Did Li Chun preside over the construction of an arch bridge called Zhaozhou Bridge? It is called Dashi Bridge by the locals?" Huo Gang asked immediately.

"The general knows, but he didn't expect that the general knew everyone's name. The general really had a keen eye. His teacher was Li Chun who built the Dashi Bridge. Zheng Feng had already learned the true teachings of his teacher. However, what he learned in the Western Regions was almost useless. He originally thought that his life would be wasted, but he didn't expect that the general gave him the opportunity to show his ambitions." Yang Laowu immediately bowed.

Huo Gang couldn't help but take a deep breath. An Nuo... is such a good person. Many people don't know about Li Chun, but Zhaozhouqiao is probably anyone who has been to school in that era knows it.

After 1,400 years of storms, it is conceivable that Zhaozhou Bridge’s design is definitely ahead of the world. Even in modern times, Zhaozhou Bridge’s design is probably not too backward.

And the personal disciples of such people are actually in Annuo's tribe. Huo Gang now suspects that everyone in Annuo's tribe won't have a few tricks.

"Is Zheng Feng in the industrial area now?" Huo Gang asked immediately.

"Yes, he has discussed with several people before. It doesn't matter if the bridge cannot be completed now. He said that the cement invented by the general will make the bridge easier and faster. Now we only need to flow out a large enough area on both sides of the river in the early stage, and lay a large enough foundation with concrete, which is large enough and strong enough, and it will be easy to replicate the large stone bridge built by his teacher in the future." Yang Laowu immediately spoke.

"This is simple. If you just lay the foundation, just dig the pit a little deeper and then larger the area, and pour the concrete directly." Huo Gang nodded.

He had thought about designing bridges by himself. If Huo Gang had designed them, he wouldn't really know how to design them. Bridge design really requires experts. Although a modern person knows that arch bridges have advantages, how to design the arch shape also needs to be calculated.

Huo Gang didn't know these things, but Huo Gang's original idea was to play the miracle of flying with big bricks just like the Russians.

It’s very simple. Dig a river channel directly next to the river, first drain the river from the side and bypass it.

Then, in the place where the bridge is being prepared, there are no more reinforced concrete piers in the middle. There is no way to arch the bridge, but does reinforced concrete need arches? If you have more bridge piers, just use wood to build it and then pour the concrete bridge deck.

As long as the materials are strong enough, it doesn't matter whether they meet mechanics or not. Huo Gang is not ready to use it for a thousand years. As long as it can last for decades, he doesn't believe that he can't cultivate an expert in bridges for decades.

Now it's better. I'll give him a bridge expert. There's no need to say more about the advantages of reinforced concrete.

"Let's go back now, I'll go directly to find Amatuo. Call Zheng Feng over and let all the Tongluo tribes move." Huo Gang said straightforwardly.

"yes!"

Since he made the decision, Huo Gang did not hesitate and followed Yang Laowu back to the industrial zone directly. Yang Laowu quickly gathered all these craftsmen.

Huo Gang also met Zheng Feng. Zheng Feng looked very old, mainly because he looked very old. However, Huo Gang had already learned Zheng Feng's age through Yang Laowu. He is 47 years old this year. Zheng Feng has been following Li Chun since he was five years old. It can be said that he has learned Li Chun's true teachings.

"I've seen the general." After seeing Huo Gang, Zheng Feng quickly bent down to salute Huo Gang.

"You're welcome, everyone, you have heard Yang Laowu say that you have designed a bridge plan." Huo Gang said.

"Yes, General, I've been testing the strength of concrete made from cement these days. To some extent, it's even harder than some natural stones because it can form a whole directly so that the force acting on it won't disperse."

"In addition, I heard from the general that if steel bars can be added in the middle of this concrete, it will become stronger. In this way, it will be even more unfair to our bridges. However, we have too little steel now. Although it is okay not to use steel, the quality may be worse." Zheng Feng immediately spoke excitedly.

He originally thought that what he learned could only be buried in the coffin, but he didn't expect that there would be a chance to build a bridge in the Western Regions. Can this not make him excited?

"Well, this is simple. We will build a spare concrete bridge without steel in the early stage. When the later stage, we will build the main bridge that will pass." Huo Gang said straightforwardly.

"Yes." Zheng Feng was immediately overjoyed when he heard this. As a bridge expert, his greatest wish in his life was naturally to build a bridge.

After confirming with Sun Er and the others next to him, Huo Gang also took action directly. As for these Turkic herdsmen, for the time being, it is indeed possible that the secrets may be leaked when they see the operation of these furnaces, but Huo Gang is not worried.

First of all, these Turkic people are illiterate. Not to mention ordinary Turkic people, even the Turkic nobles are not very literate. Most of the Turkic nobles only know a small part of the text.

Secondly, after the river appears here, these Turks will never reveal any news here, because at that time, Huo Gang was the god in their minds!

Huo Gang, who came here from later generations, knew very well about the power of faith. More than a thousand years later, faith had such terrifying power, let alone this ignorant era.

What's more, these Turks do coolies, and the core work of these factories is now the responsibility of the people of the Annuo tribe.

After finding Amatuo, Huo Gang directly conveyed his order to Amatuo. Soon, ten thousand Turks who migrated here, all began to act.

Except for children and the elderly, even all women started to work, and the work of grazing was temporarily handed over to the elderly and children.

For these herders, there is no problem with the elderly and children graze. More than a thousand years later, the children of herders in Inner Mongolia can ride horses and run wildly at the age of five or six, let alone this era.
Chapter completed!