The system wants my local master gl

Song Yuyan did not give Tang Haogen any advice immediately after returning from the seawall of the Qiantang River. After all, it is easy to talk about it, but actually it requires a lot of preparation work to implement it.

For example, we must first survey the geological and geographical environment, but also pay attention to the natural conditions, and analyze the physical and mechanical properties of the soil layer, etc.

The ancients didn't pay so much attention to building seawalls, but Song Yuyan had requirements for herself, so she made a few trips to areas in Cixi that were easily affected by tides.Without scientific geological survey tools, she can only rely on artificial observation.

After returning from the beach, she listed two construction methods, the "stone pile pile method" and the "stone pond". After all, although stone ponds can be built with the current ability, but in the Qing Dynasty, the grain output was high and the population was large, so it was possible. It took a lot of manpower and material resources to build it, and she couldn't guarantee the current production level.

For example, the city walls built during the Ming and Qing Dynasties were all built with glutinous rice paste, lime, and clay.Song Yuyan did the experiment when he was in college, and it was really effective. However, the grain output was not high at this time, and many people couldn't even eat enough. Where did so much glutinous rice milk come from?

Moreover, seawater has a corrosive effect. Applying the method used to build city walls to coastal projects can play a certain role, but within five to ten years, some places will definitely be washed away.

Song Yuyan was thinking, if the court really made up its mind to build the seawall, she would have the guts to propose making cement, which can be produced without industrial machinery, also known as self-made cement by local method.

For example, porcelain and other materials with bauxite as the main raw material, after being calcined, combined with fresh lime and gypsum fresh out of the kiln, can be blended according to a certain ratio to produce cement with good water resistance and acid and alkali corrosion resistance.

Of course, when calcining porcelain and quicklime, the calcination process must also be mature.Now there are lime calcination processes, coal mine calcination processes, etc. If you want to produce homemade cement by indigenous methods, it is not a problem as long as you invest a lot of manpower.

Song Yuyan analyzed these requirements to Tang Haogen, and the latter felt like a scripture, he understood the "stone pile wooden pile method", and he also understood glutinous rice pulp and lime as the bonding material, which is the stone pond behind He didn't understand the construction.

"Also, is gypsum gypsum powder? But isn't that medicine?" Tang Haogen asked.

Song Yuyan paused, and had no choice but to start with "gypsum can be used as a building material, but it is considered by the world to be a kind of medicine and has not been researched for other uses".

"Gypsum has such a magical effect!" Tang Haogen was astonished.

Although he didn't know where Song Yuyan heard about these uses, he didn't go into detail. According to the case that what she said in the past turned out to be true, he is now like Uncle 21, who has no brains to believe her up.

Song Yuyan wrote another plan, explaining the advantages and disadvantages of the two methods of building seawalls. For example, the "stone pile method" can save adhesive materials and save a lot of investment, but the maintenance cost is high. For example, the probability of being washed away by waves is high, and there are typhoons raging in Mingzhou, so this kind of seawall is also easily destroyed by typhoons.

However, Shitang has a high investment cost at the beginning, but Shitang has a strong ability to resist risks, low maintenance costs, and better moisture resistance.

Tang Haogen couldn't decide on his own, so he could only submit Song Yuyan's plan to the county magistrate.

Ning Zhi, the county magistrate, also supported the construction of the seawall, because the imperial court has always ordered local officials to build water conservancy projects.

Ning Zhi was very moved by this, and made suggestions to Fan Zhizhou. When Fan Zhizhou saw that Song Yuyan's name was included in the plan, his temples twitched: "Who is this Song Dalang? He can get involved in everything. kick?"

Although puzzled, the imperial court has been looking for capable people who can control water. If there are capable people who know how to control water, there are also relevant officials who are directly awarded to build water conservancy projects.And if there are talents with the ability to control water among the officials, the court will generally reuse them.

Therefore, Fan Zhizhou did not despise Song Yuyan's plan just because she was just an ordinary person.

But he didn't want to make a decision easily after only reading a planning document, so he recruited Ning Zhi, Tang Haogen, and Song Yuyan to listen to their suggestions and discuss this matter together.

With Song Yuyan's testimony, Fan Zhizhou felt that the content of this plan was much easier to understand, but after all, he had never heard that porcelain could be made into a material that is more viscous than clay, so he specially appointed Tang Haogen and Song Yuyan went to test the feasibility.

The reason why Song Yuyan didn't prepare concrete first to increase her persuasiveness was because she actually just wanted to help her uncle solve some troubles, and she didn't want to take this matter on herself.

Besides, when doing experiments under the mentor's hands, the laboratories are sponsored by the state. Even if some laboratories pay for themselves, the results of the research must belong to private individuals.Therefore, she did not have the awareness of "Wei Guangzheng" that she paid out of her own pocket and then worked for the well-being of the world.

With Fan Zhizhou's financial support, Song Yuyan asked Tang Haogen to organize manpower to follow her request.For example, first go to the mountains to dig kaolin, or go to the kiln of Yue Kiln, collect a lot of broken porcelain that is not needed by the kiln, and then build a calciner kiln by yourself, or a kiln with the help of a lime kiln.

After listening to her request, many people thought she was speaking from heaven: "Porcelain is made of clay, how can you make something stickier than clay?"

"And gypsum is medicine, how can it be mixed with clay? Isn't it a waste!"

"And mine ash can only be used to smear walls or tamp it with clay to build city walls and mausoleums!"

……

Song Yuyan had heard a lot of such doubts, but with the support of Tang Haogen and Fan Zhizhou, those people did not refuse to do what she asked because they questioned her.

After Tang Zhi knew that Song Yuyan was questioned, he often followed Song Yuyan to tinker with cement.The others saw her and said to her: "You are a girl, why do you come here to seek guilt?"

Tang Zhi said: "Because I believe that the method my family's officials say is effective. If I don't believe her and don't come out to support her, then what kind of husband and wife are they?"

Everyone sneered and praised them as husbands and wives who are easygoing and affectionate, and they are a model of how husbands and wives get along, and they no longer questioned her methods in front of Song Yuyan.

After Tang Zhi worked with Song Yuyan for a few days, her voice became louder again, and she became dark for a few degrees. After she went back, she sighed with Song Yuyan: "I wanted to be a dignified and virtuous housemate, but it seems that I failed."

Song Yuyan laughed, took her hand and kissed it, and said: "My lady has already reached the standard of being dignified and virtuous, a lady like you who trusts me unconditionally, supports me, and even fights all heroes for me, who dares to say you Not a virtuous person!"

Tang Zhi was very satisfied with her compliment, and pulled her to mutter again: "Do you think we should make some 'cement' and then sell it?"

With cement, it is just around the corner to make a fortune!

Song Yuyan didn't object, but said: "It's better to find an investor, let's make money together!"

Tang Zhi still doesn't understand her?The second half of her sentence is estimated to be "find more people to share the risk, so that she can reduce the loss."Tang Zhi didn't expose her either.

____

Generally, the calcining temperature of kaolin clay should be between 600-800 degrees Celsius, while that of lime should be calcined at 900-1100 degrees Celsius. Therefore, it is possible to build a calciner kiln by imitating the shaft kiln specifications of a lime kiln or the kiln specifications of a brick and tile kiln. To achieve the conditions of calcined clay.

But in this process, it should be noted that the temperature must be controlled between 600-800 degrees Celsius. If it is too high or too low, the calcined material will be unqualified.

Whether it is the kiln owners of Yue Kiln or Lime Kiln, their calcination skills should not be underestimated. After all, if you want to burn high-quality porcelain and high-quality lime, you must have a good grasp of the process and the duration of the fire. the point.

Therefore, Song Yuyan just drew some schematic diagrams for them, and asked for the state of kaolin, lime, gypsum, etc. to be calcined. They pondered for a while, and after repeated failures, it took more than a month to finally calcined The material she asked for came out.

The manufacturing process of cement does not end here. It has to be blended in a certain proportion. After it is condensed into a block, it is calcined, dried, ground, etc., and finally the cement is produced.

When the first batch of cement was produced, all the kiln owners who participated in the calcination were present to watch.

Tang Haogen looked at the gray powdery substance and asked excitedly, "Is it mixed with water and used directly?"

Song Yuyan asked him to prepare some bricks and fine yellow sand first.When all these things were ready, Song Yuyan mixed cement, lime, yellow sand and water in proportion, mixed them evenly with a shovel, and then spread them on the bricks to build a two-meter-long and one-meter-high wall.

The number of days for inspection and maintenance is about 20 days. During this period, Tang Haogen has been watched by others, so don't be tampered with here.

At the beginning, everyone was looking forward to the effect of cement, but Tang Hao didn't want anyone to touch it at all, they were very itchy!After waiting for a long time, everyone's curiosity faded away, and there were not as many people paying attention as before. Some people said bitterly: "This thing must not work, otherwise why didn't people check it for so long!"

Tang Haogen was also a little worried, but Song Yuyan was unmoved.

Half a month passed, and the handymen in the yamen gradually began to relax, often going to sleep at night.As a result, one night, he suddenly heard some noises, like the sound of a chisel digging. He woke up suddenly and ran to see what was going on.

As a result, before he got close, he saw a black figure beside the wall, which seemed to be doing something to the wall.

He shouted: "Who?!"

The black shadow was so frightened that the chisel dropped, and he didn't dare to pick it up, so he ran away.

The handyman chased for a while and couldn't catch up, so he had to give up and go back to check the wall.He thought that the chiseling sound was so loud that the wall should be very fragile. As a result, he only saw some holes were dug in the gray glue, but not even a single brick fell out.

He was stunned immediately, and the next morning, he couldn't wait to go back and inform Tang Haogen: "It's done, Tang Cheng, it's done!"

Tang Haogen was confused: "What happened?"

After a while, he realized: "You mean the cement is ready?!"

He didn't care about other things, and walked directly there, and the handyman followed him and told him what happened last night.But he didn't dare to say that it was because he was lazy that he gave others an opportunity. He only said that he went to take a pee, and when he came back, he saw someone trying to do something, and he was frightened away.

Tang Haogen didn't bother to find out whether he went to the toilet or was lazy. After he got there, he tried to push the brick with his hands, and found that the adhesion was still very firm, and there was no sign of being pushed loose.

He was very happy and asked Song Yuyan to be called here.

Song Yuyan's focus was on that person last night: "Did you see his face clearly?"

The handyman said angrily, "It's too dark, I didn't see clearly."

Tang Haogen also recalled the joy of successful cement production: "Knowing that this matter is done by the government, who is so bold and dares to do something?"

"It must be someone who knows what we are doing from the beginning to the end, and doesn't want us to succeed in this matter. But he probably didn't expect that the strength of the cement is not bad, and he made a fuss when he didn't succeed." Song Yuyan road.

Tang Haogen thought for a moment, and asked the people below to find out if there was anything suspicious among all the people involved in making the cement.

Song Yuyan had no clue about the suspect, so he turned his focus back to the cement.She took a hammer and asked a stronger man to hit the wall.

Everyone thought that the brick would definitely fly out after going so hard, but the strong man beat it until his hands became numb, and the brick only loosened a little, while the whole wall was still in good condition.

Tang Haogen clicked his tongue: "Is cement so strong?"

Song Yuyan said: "It's not all due to the cement, but when I asked people to build the wall, I used the 'flat brick and staggered joint method'. This method makes the wall very thick, and the city wall is built like this. Of course, a thin wall is not enough to build a seawall.”

Song Yuyan asked people to push the wall together, and it took five or four people to push the wall down with great force. After it fell, except for a few bricks that would scatter, the rest of the bricks fell apart. Also linked together, it can be seen that the adhesion of cement is still good.

Song Yuyan was not very satisfied. She knew that the strength of cement produced by this process should be between 200 and 300. This is the label of cement strength. The larger the label, the higher the strength and the stronger the compressive and tensile bearing capacity.

Cement of this strength can be used for building construction. If seawalls are built, within five years, some places will definitely be washed away.

Tang Haogen was speechless after hearing her words: "Does Song Dalang know how many years the imperial court has required bridges and canals?"

Song Yuyan looked at him, and he said: "Five years, if any major event occurs within five years, the person who supervised the construction will be held accountable. And Haitang...does Song Dalang know how many years are required?"

Song Yuyan tentatively asked, "Five years?"

Tang Haogen said: "The seawalls of the Qiantang River are washed away by waves every year, and they have been destroyed and repaired repeatedly. There are also many scattered ponds in Mingzhou, all of which are made of wooden piles and earth. They are destroyed several times a year, and they are also destroyed and repaired repeatedly. But the responsibility of the craftsman is rarely pursued—because it is impossible to pursue it at all.”

More importantly, bridges, canals and other projects will engrave the names of the project supervisors or craftsmen on them. If something goes wrong, the craftsman will be directly held accountable.For example, when the Yellow River breaks its embankment, many officials are often held accountable, but it is rare to see seawalls being washed away, and a large number of people are implicated. The reason is that the imperial court attaches great importance to water conservancy projects such as river canals. Also a little helpless.

Song Yuyan was silent for a moment, and then said: "I can't lower my requirements just because of this."

Accustomed to the project quality requirements starting at 20 years, she felt very stressed when it was suddenly reduced to five years.

Tang Haogen asked: "Is there better cement?"

"Yes, but you have to worry more about the process."

Tang Haogen asked Song Yuyan to do it, and he himself first reported the results to Ning Zhi and Fan Zhizhou.

The two were startled, and they also ran there to watch the excitement. Fan Zhizhou also organized other county magistrates to go together.Everyone looked confused: "The official only knows that clay and mineral ash can bond bricks, but they are not strong enough, but why is it also clay and mineral ash, and why can they play such a role after adding gypsum?" ? How did you come up with this idea?"

Song Yuyan felt that it was not surprising that his country was called a big foodie country, because gunpowder was invented because of alchemy, and the function of gypsum was only used as a traditional Chinese medicine... Maybe it is precisely because of the foodie nature of the people that it limits the development of technological level!

____

After witnessing the effect of cement with his own eyes, Fan Zhizhou hurriedly wrote to the imperial court, requesting the imperial court to allocate funds for him to repair the seawall.He also wrote about the role of cement "invented" by Song Yuyan in a letter. Of course, he did not mention Song Yuyan's name. After all, an ordinary citizen is not qualified to appear on the papers for officials.

The imperial court was also quite interested in "cement", but after knowing that it would require a lot of manpower and material resources to make cement, it hesitated again.

Some officials had an idea: "If the cement is applied to the construction of the canal, will it be able to effectively prevent the embankment from bursting?"

Others thought: "This method should be handed over to the imperial court, and should not be passed on to the outside world. If it can be used in the construction of the city wall, are you afraid that the Khitan people will not be able to attack the wall?"

The officials saw that these people were getting further and further away, so they could only open their mouths and shift the topic back to Fan Zhizhou's notes: "What should be discussed today is the allocation of funds to Mingzhou to build seawalls."

The officials of the imperial court were divided into two factions and quarreled:

Opponents said: "This method costs too much to produce cement and build seawalls. It is a waste of money and people, and should not be promoted."

Supporting officials thought: "Every year, the imperial court spends nearly tens of millions of dollars to maintain the seawall. How can this not be a big expense? If a seawall is built, it can keep the people living and working in peace and contentment for several years. Why not do it?"

____

Song Yuyan didn't know about the imperial court's quarrel over whether to allocate funds to Mingzhou to build seawalls. She later produced a batch of cement with better hardness while continuously improving the cement-making process she knew.

When Lou Gao heard about this, he went to the Song family again, and said, "Song Dalang, you are not righteous, you have such a way to make money, why don't you consider me first?"

Song Yuyan was waiting for him, and she pretended to be suspicious: "Isn't it because I haven't figured out a better cement yet, so I dare not disappoint Brother Lou?"

Under Song Yuyan's honest and honest appearance, she actually has the heart of a profiteer. Lou Gao has known her for so many years, and he already knew that she borrowed the hand of the government to let people see the role of cement, which increased her The initiative to negotiate.

He wasn't angry either, but laughed and cursed: "You're out of touch with me! You make the prescription, and our Lou family is responsible for making and selling it. Four or six will be shared, you four and I six."

Song Yuyan said: "This is not acceptable. If we earn all the money, then others will definitely be dissatisfied."

When Lou Gao heard it, he felt that there was some truth to it. The wax garden they jointly established was increasing in value every year, and his plantation had just started to improve. Others were very envious of it!It's not like no one wants to come over to get a share of the pie. If he still dominates the cement market, he will definitely be targeted.

Although the Lou family has a great career, they all accumulate prestige by doing good deeds. Although they have prestige, they have no power.In addition, he also knows that the use of cement as a material is not big, but it is very big, and it will be occupied by the government in minutes, so if he can attract many people to join, the government will not dare to take it lightly.

He said: "If you trust me, leave this matter to me."

Song Yuyan could still trust his character, and she also had other things to do, so she agreed to leave it to him.

Lou Gao went to big merchants in the brick yard, lime kiln, gypsum calcining kiln and other industries, and talked to them about cooperation in cement production. The profit is also divided among them.

Cement has a wide range of uses, ranging from city walls and house construction to mausoleums and cellars.Ordinary people may not be able to afford it, but those wealthy households, who doesn't want to live in a house built with green bricks and green tiles?The dignitaries also hope that their tombs will be neat and firm, so that they will not be easily robbed and disturb their peace underneath?

Therefore, the sale of cement is still possible.

These big merchants had paid attention to this matter as early as when Tang Haogen and Song Yuyan were working on cement. Later, the government's attention to cement also made them realize the importance of cement.Before Lou Gao came to look for them, their hearts were a little moved, but after Lou Gao's lobbying, they agreed.

____

What Song Yuyan is busy with is actually the construction of the seawall. The cement is not enough, because the structure of the seawall is different in response to different geographical locations.

According to the evolution history of seawall construction and pond engineering technology she has learned, the best method available at present is to use criss-cross piles to build stone ponds, that is, to use anti-corrosion and corrosion-resistant pine piles, and then use The stones are stacked in a criss-cross pattern. In order to reduce the dynamic effect of the waves, a slope can be used.Finally, the embankment is rammed with soil on the inside, and gravel is used as a transition layer between it and the stone pond, which can withstand the pressure on the outside.

With cement, the role of the stone pond must be longer.

After Song Yuyan finished her short work and was able to rest for a while, she realized that the results of this year's palace examination had been out for more than three months. Not to mention the rankings, even most of the official positions of Jinshi had been confirmed.

Although Wang Zhou's results in the imperial examination this time were in the top three, he was born as a Jinshi. The Wang family, Uncle 21, and Aunt Lie were all very happy.Others praised Song Yaoyao for being a prosperous husband. After Song Yaoyao married into the Wang family, Wang Zhoucai became a Jinshi.

Xu Shi was brainwashed by such words, Wang Zhou's parents treated Song Yaoyao even better, they greeted her every day and cared for her very much.

Song Yuyan didn't believe this, and she also vaguely heard from Uncle 21 that it was probably written by him and Aunt Lie.Tang Zhi murmured to her at night: "Uncle 21 and Auntie also want to make sister Yaoyao have a better life in the Wang family. After all, your friend has passed the Jinshi exam. Will he be blinded by prosperity in the future and make sister Yaoyao sad?" Unknown. Uncle 21 and Aunt can't guarantee that a man won't change his mind, so we can only rely on this method to stabilize Sister Yaoyao's position."

Song Yuyan raised her eyebrows: "Isn't it because of this, my lady, that she married me?"

The two have been married for many years, and some of their words are not as reserved as before. For example, Song Yuyan now directly explores whether Tang Zhi saw her in the first place because she was simply conquered by her charm, or because she didn't have to worry about her changing her mind?

Tang Zhi pinched her waist and scolded: "Song Yuyan, are you trying to die? How dare you slander me for marrying you with intentions?"

Song Yuyan grinned in pain from being pinched, and hurriedly said, "I didn't slander you, let's discuss it peacefully! Don't be rough."

Tang Zhi snorted, "When is the right time to lie on the bed at night and not fight?"

Song Yuyan: "..."

Her wife's level of nasty talk is getting higher and higher.