Otaku Engineer in Great Tang Dynasty

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afternoon.

Li Zexuan thought about it, and then took the carriage to the workshop. He wanted Fu Bo to help him to see if he could make cement.

In the morning, Yan Lide said that glutinous rice mortar can be used as an adhesive between bricks and stones, but the cost is very expensive. In this era, although the price is low, glutinous rice is a kind of food that is three to four times more expensive than rice. It's a very luxurious thing to think about building a wall with stuff.

Therefore, the houses in the Tang Dynasty were basically all wooden structures, and the only ones that could afford masonry and glutinous rice mortar were the imperial palace, Zhaoling and city walls. How could ordinary people afford such things?

Yan Lide and his son also made a rough cost estimate for Li Zexuan in the morning. If Yanhuang Academy followed Li Zexuan's original intention and used all masonry structures, the cost of building materials alone would have to be more than 400,000 yuan, not including labor and decoration costs. .

This amount has far exceeded the cost budget that Li Zexuan made at the time. The reason is that Li Zexuan did not have a fresh understanding of the current construction technology and construction costs. Now, with such a huge capital hole, it is even more difficult to fill in a short period of time than to reach the sky, but Li Zexuan will definitely not give up on Yanhuang Academy.

After much deliberation, Li Zexuan decided to gather the wisdom of everyone to see if he could come up with cement with better effect and lower cost.

So many protagonists in time-travel novels, don't they all like to make cement, perfume, and mirrors in time-travel? They can make it, why can't they make it themselves?

Ahem, although I am not a professional in this field, I know the general formula, tell Fubo, and let professional craftsmen study it! The glutinous rice mortar of this era is actually very close to modern cement (some modern scholars often refer to the ancient glutinous rice mortar as "organic cement").

"Fu Bo, I have thought of something, and I need you to take the time to study it. But I only know the approximate ingredients. As for the proportions of the ingredients, you still need to test it yourself~!"

When he came to the workshop, Li Zexuan went directly to Fu Bo's private "office" and said straight to the point.

"Master, what is it~?"

Faber asked curiously.

Li Zexuan said solemnly: "I call it cement. It is a construction adhesive used to replace glutinous rice mortar. It is very important. I hope Fubo can bring a group of skilled craftsmen to study it as soon as possible."

"Cement~? Instead of glutinous rice mortar~? Is the young master going to build an academy~?"

Fauber responded and asked.

"Well~! I have already designed the building and layout of the academy. The main material is masonry, which requires the use of glutinous rice mortar. In the morning, Yan Shangshu helped us with a preliminary estimate of the cost. Going to get a cheap alternative similar to sticky rice mortar."

"400,000~?"

Uncle Fu almost jumped up. From this cost budget alone, he could imagine how huge the Yanhuang Academy that Li Zexuan was going to build was.

"Since the young master is so confident in this so-called "cement", you can tell the old man the ingredients. The workshop is full of talented people. I believe that as long as we know the approximate ingredients, we can try to make it~!"

This scene reminded Uncle Fu of the last time Li Zexuan asked them to study the formula for glass production. Although he didn't know why there were so many strange things in his young master's mind, but for everything Li Zexuan said, they only needed to take photos of them. If you explore the ideas described by Li Zexuan, you will definitely be able to create them.

"Cement is made of limestone, clay, and iron ore finely mixed in proportion. This mixture is called raw meal. It is then put into a furnace for calcination. Generally, its calcination temperature is slightly lower than that of smelting iron, but it is higher than yours. The last time the glaze was fired at a higher temperature, the earth kiln used to burn glazed glass should be fine. The calcined product is called clinker. Finally, the clinker and gypsum are ground together and mixed in proportion, and this is cement~ !

After the fired cement is added with an appropriate amount of water, it will become a slurry, which can be hardened in the air and in water. After hardening, it is comparable to a solid stone. A hydraulic cementitious material that is bonded together to form a solid stone-like body. "

In order to let Uncle Fu and the others research cement as soon as possible, Li Zexuan also worked hard. On the way over, he kept using his abnormal mental power to recall the cement firing temperature he had seen in the books of his previous life, which was about 1,400 Fifty degrees, the melting point of iron is 1,538 degrees, and the firing temperature of glass is 1300 degrees Celsius. With this important information, I believe that the development process of cement will be smoother.

As for Li Zexuan, why didn't he simply recall the proportions of each component of the cement and tell Fu Bo, you thought he didn't want it! The key is that the books he read are not books devoted to cement making. So he just wants to remember but has no memories~!

"Yeah~! This old man has written it down. Don't worry, young master. After a while, the old man will organize the most elite craftsmen in the workshop to start developing this cement! It is expected that there should be news in the next few days~!"

Fu Bo nodded, got up and believed.

He was somewhat fortunate that Li Zexuan gave more detailed information this time compared to the last time he developed glass, and it would be a lot easier for them to really study it.

"Then please ask Fubo~! Remember, those who enter the earthen kiln must wear masks~!"

Li Zexuan warned uneasy that he didn't want those craftsmen to suffer from lung disease after working for a few years.

"Yes~! Don't worry, young master, the old man will arrange it~!"

"Also, the relocation plan of the workshop is still implemented, but you can delay the specific date for a while. I will relocate after I have finished my work on the academy at hand. Uncle Fu, you can go to Plum Village to enclose the land~!"

Li Zexuan rubbed his temples with some headache. He said too much and he would cry. The money is not enough~! At this time, if we relocate to the new factory, it is really powerless. If the cement could not be developed, he would have to grit his teeth and take out 400,000 to 500,000 yuan. His family didn't have that much liquidity.

Besides, he got married and engaged in such a big show a while ago, but it was all real money, but he doesn't regret it~! This precious daughter-in-law deserves that grand wedding.

"Yes, Master~!"

Forber bowed his hands with understanding and said.

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