At this time, when the farming is slack, it is not troublesome for the tax collectors.Yang Zuan didn't break his promise, and quickly confiscated [-] slave households from the county, led by government servants and scribes, and began to renovate the road from Dingzhou Village to Hu County.

Although the servants who are expropriated do not need to pay wages, Li Wangyou needs to pay for the food expenses.

Naturally, Li Wangyou was not stingy with this little copper money. He provided three meals a day for the servants with delicious food and drink. Every meal was full of meat, but the servants who came to build roads were grateful to the county uncle for eating. For his generosity, he put in even more effort when building the road.

Twenty miles is not a long way.

The 500 slave households were directly divided into ten groups. Under the command of craftsmen sent by the county government, work started from ten places at the same time. The distance between 1000 people in each group was only [-] meters.

When Datang built roads, the most labor-intensive thing was rammed earth.

Countless strong labor is needed to continuously lift the heavy wooden piles, lift them high and then lower them, smash them repeatedly on the roadbed, tamp the road surface, and then roll it back and forth with stone rollers.Finally, set up firewood and burn the road surface again, so that there will be no grass and insects, and it will be solid and durable.

According to the estimates of Yang Zuan and the craftsmen sent by Hu County to direct the road construction, it will take three to four months to complete the construction of this [-]-mile-long road.

A convict household serves [-] days a year, and Yang Zhuan estimates that four or five rounds of conscript households will be conscripted to meet Li Wangyou's needs for road construction.

But Li Wangyou didn't let them build the road like this.

He just asked the servants to fill up the road surface, and then compacted it with a stone roller.A four-wheeled carriage was also used to pull a cart of gravel from the quarry and spread it on it.

In this regard, the craftsman who came to the Huxian County Government to build the road couldn't help but persuade him: "Uncle Huxian, the soil is not compacted, and the speed is fast. But I am afraid that when it rains, the road surface will be washed away. Even if With these stones paved, those carriages will sink in if they run over them, the road can’t be repaired like this.”

Li Wangyou shook his head and smiled: "It's okay, I'm going to lay a layer of mirage mud on the road at the end, isn't that all right?"

"What? Spread mirage mud on the ground? Isn't this... too wasteful?" The craftsman naturally knew what mirage mud was, but he never thought of spreading such precious mirage mud on the road.In his opinion, isn't this a prodigal?

The craftsman complained secretly in his heart. In Chang'an City, it was rumored that this Huxian uncle was a prodigal son, and it seemed that he was right.What is the difference between paving the road with mirage and putting money on the road?

But anyway, the money is Li Wangyou's flower, since he is willing to throw the money on this road, the craftsman naturally doesn't have much to say.

Besides, he was also very curious about what it would be like to spread the mirage mud on the road.

How did he know that Li Wangyou was also complaining in his heart, complaining that the Ministry of Industry and the general supervisor of Datang were too unreliable.

How to fire the "volcanic ash instead of cement" has long been handed over to the Ministry of Industry and the general supervisor, but after more than half a year, the output has not increased at all.Isn't lime and clay calcined in a kiln?What a simple thing, it took such a long time, this cement has not been widely used in Datang, it is still a rare thing.

How did Li Wangyou know that limestone is not a rare commodity in Datang, but the output is not high.

After all, lime requires artisans to mine limestone and then calcine it, which is not comparable to the efficiency of large-scale industrial production in later generations.

That is to say, he, the county uncle, has enough face now, and Yan Liben is mediating for him in the general prison, otherwise, even if he spends money, he will not be able to get so much cement to pave the road.

In order to build this [-]-mile-long road, Li Wangyou worked hard and got [-] stones of mirage mud from the Ministry of Industry and the general supervisor.

Twenty thousand stones, that is, only two thousand tons, cost Li Wangyou ten thousand guan, which is equivalent to five guan coins for one ton of cement.

Li Wangyou was very upset about this, but he was also helpless.

The cement of the later generations is only 500 yuan per ton, but these five copper coins are equivalent to 2 yuan in the later generations, which is really sky-high.

And other food expenses for the servants, material expenses for road construction, etc., all added up, cost almost more than 1 yuan.Li Wangyou threw out more than 2 copper coins during the short [-]-mile road, when the servants did not need to pay wages.

It's also fortunate that he is not short of money, otherwise he would not have dared to build a concrete road so lavishly.

The price is really not cheap. It will cost about 30 yuan per kilometer to build a concrete road and a four-meter-wide village road in later generations.

And Li Wangyou spent 8000 guan to build this ten-kilometer road, which is equivalent to 800 million in later generations!The cost of [-] million yuan for one kilometer is sky-high!

With sufficient financial support and the hard work of the slave households, in just 20 days, during the [-]-day active duty period of these slave households, an unprecedented cement road appeared in Datang.

Li Wangyou, uncle of Hu County, was "prodigal" again, and the news quickly spread throughout Hu County, even Chang'an City, and Li Er's ears.

To this, people reacted differently.

Some shook their heads and sighed, some envied and admired, and some looked forward to it.

On the day when the new road was completed, not only Dingzhou Village was a sensation, but households from Huxian County and the surrounding ten miles and eight townships also flocked to see this "prodigal road".

That's right, the [-]-mile road from Hu County to Dingzhou Village is now jokingly called "Prodigal Road" by the people of Hu County.

Spending [-] yuan to build a ten-mile-long road is really unimaginable. This is not called a prodigal, what is a prodigal?

But when the common people walked on this "prodigal road" in groups, they were all stunned.

This is the way?

It looks as if the pavement is paved with a whole piece of gray-white stone slabs, which is beyond Tang people's imagination.

Although Li Wangyou had already handed over cement to the court, it is still rare for people to see it, let alone pave the road.The common people have never seen a road paved with cement before, and they expected it to look like this.

An octogenarian, in disbelief, smashed hard on the concrete road a few times with the crutch in his hand.Not only did there not appear any pits, but the shock made his palms numb.

"This, this is the fairy method! This road is clearly paved with a whole stone slab."

"Grandpa, this is the mirage mud road. Do you know the mirage mud? It was made by the Huxian Bo. After the mirage mud dries up, it looks like this. It is extremely hard, and it is not afraid of water and fire. It is really miraculous." The insider explained to the old man.

Hearing this, someone with good intentions ran to fetch a bucket of water and poured it on the road with a splash.

Under everyone's gaze, they saw that the water did not seep into the road at all, but flowed to both sides of the road and merged into the drainage ditch beside the road.The remaining water stains on the concrete pavement quickly evaporated under the sunlight, leaving no trace of watermark.

On the concrete pavement, there are four grooves in which wooden tracks are embedded.

This is the track designed for the carriage, called the track.

Of course, such things as rails were not invented by Li Wangyou. Rails appeared as early as the Qin Dynasty.This kind of wooden track will hold the wheels of the carriage inside, and it is smooth and flat, so that the carriage runs very fast.

The track is similar to the ruts on the official road of the Tang Dynasty, but smoother and more flat.

When the people of Hu County were amazed by this "prodigal road", there was another group of people who set out from Chang'an City and headed straight for this road...

575 one hundred coins

It was Li Er who came, and he led a group of civil and military officials to visit Li Wangyou's "prodigal road".

Regarding the use of mirage mud to build roads, Li Wangyou had already mentioned this matter to Li Er and the others, but none of them took it to heart.

In the eyes of Li Er and others, such precious mirage mud should be used to build city walls and fortresses, and that would be impenetrable.He doesn't think there is any benefit to using it for road construction, and he thinks it is really a waste.

Today in the Chang Dynasty, Li Er and the officials were discussing matters, but they heard from Mi Tuo that the twenty li long mirage road built by Li Wangyou was open to traffic today.

Although Li Er felt that road construction with mirage mud was wasteful, he was very curious about the road surface built with mirage mud.So under the instigation of Cheng Yaojin and others, they simply stopped Chang Chao, led all the officials to kill Hu County directly, and went to "watch the excitement".

When everyone arrived at the cement road outside Hu County, it was already as lively as the Lantern Festival. The cement road was full of people who came to see the excitement.

Regardless of Li Er being the emperor of the Tang Dynasty, the hundreds of officials and nobles are also the most prestigious group of people in the Tang Dynasty, but when they saw this concrete road, their reaction was no stronger than that group of people in Hu County where to go.

Facing this unprecedented concrete road, a group of civil and military officials couldn't help gasping and showing surprise on their faces.

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