Autumn is crisp, the sky is so clear that there are no clouds, and the fields, trees, and mountains begin to mix with a hint of yellow, like an unobtrusive embellishment.

On the wide river, boats are either swimming up or down the river, presenting a rare busy scene.

The waves were yellow and turbid, splashing at the bow of the boat, carrying the smell of earth.

Boom, boom! There was a low sound of thunder in the distance, and it looked very strange under the cloudless clearness.

Li Sipang sat on the boat, and when he heard the voice, he couldn't help but get up from the heavy chair, and wanted to go up to the bow deck, but was dissuaded by the guards.

Helan Chushi was also on the ship, and he was originally left at the Luoyang Supervisor Wharf to rebuild. Because the work was completed, he was taking the opportunity to escort the grain with His Royal Highness the King of Wei to watch the progress of the project over there.

In the name of asking Xu Cheng for instructions, he wanted to be close to Li Sipang. Along the way, he was also extremely attentive.

"Your Highness's daughter, the boat is bumpy, it's better not to take risks lightly." Helan Chushi admonished on the side, "It's not far from Sanmenxia, it's not too late to see when you get to the ground." ”

Li Sipang smiled, sat back in the chair, and said with some self-deprecation, "Qi Lin is only a teenager, he can not be afraid of hardships and dangers, but he is lonely, but he should not move lightly, it is really embarrassing!" ”

Helan Chushi didn't understand why Xu Qilin was so popular, His Royal Highness King Wei always called him by his name instead of his official position, and seemed so close.

Therefore, Li Sipang praised him like this, and he couldn't belittle Xu Qilin and then compliment Li Sipang, so he had to accompany him with a smile and echoed, "Xu Cheng must have a way to protect himself, and his teacher is not ordinary." ”

Li Sipang groaned for a moment and said, "Maybe so! Just listening to what those boatmen said about moving Thor, or what kind of thunder summoning spell was used, it was deafening to open mountains and crack rocks. This, if the lonely king does not see it in person, it is really difficult to feel at ease. ”

Xu Qilin was blasting on the cliffs, and after a while, there was a loud roar, and where did the boatmen on the river below know what was going on.

But seeing the earth and rocks flying on the cliff, the black smoke billowing out, and the deafening sound, I guessed in fright that it was the god of thunder again, and it was the blind spread of the Five Thunder Dao Method, and Luoyang also got the rumors.

This is a gotta to see! When Li Sipang heard this, he couldn't sit still. Take someone on a boat to see what is going on.

Helan Chushi was also shocked, and was secretly afraid in his heart, fortunately he didn't provoke this guy too much, otherwise a thunderbolt would summon him, and he would be wiped out.

As he spoke, Sanmenxia had come into view, the boat was slowing down, and a slender man came ashore to pull the boat forward.

After walking another section of the waterway, I saw the busy laborers on the riverbank in front of me, and the warehouses that had been built on the high platform.

Two cranes stand on the expanded dock, and as the ship approaches, the cage slowly descends and rises after loading the cargo. The boom moved, pulled some distance to the shore, the cage fell, and the laborers went up to load the truck and transport it away.

This kind of crane with small wheels, which can not only lift heavy objects, but also move back and forth, is available on the Luoyang wharf, and Li Sipang and others are not new to look at.

But everyone still sighed at Xu Qilin's whimsy, this kind of transportation up and down, is much better than carrying a springboard on a person's shoulder.

When the big ship landed, Li Sipang stepped off the boat under the escort of the guards, and as soon as he stepped on the ground, a loud bang came.

This time it was close, and the loud noise echoed in the canyon, showing even more majesty, startling Li Sipang and the others.

"Over there, over there." Helan Chushi came back to his senses, and with some horror, he stretched out his hand and pointed to the place where the earth and rocks were flying and the smoke was rising on the cliff.

Li Sipang raised his eyes and looked around, but he couldn't see anything clearly.

The smoke cleared, and figures appeared on the cliffs, wielding shovels and pickaxes, clearing the rubble and dirt.

A small official was called by the guards and ran to Li Sipang to salute, "Your Highness, the official is polite." ”

Li Sipang waved his hand and asked, "What about Xu Cheng, but on that cliff?" ”

The petty officer replied, "Exactly." ”

"This-" Li Sipang's hand slashed twice in the air before he found the right word and asked, "Xu Cheng is also commanding the opening of the mountain and blowing up the stone!" ”

"Exactly." The junior official said, "This kind of stone chiseling method is only used by Xu Cheng, the momentum is amazing, and the progress of the project is also extremely fast." ”

Li Sipang smiled and said, "It's really amazing." Like a landslide and the ground cracks, this sound is deafening! ”

The petty official seemed to be accustomed to it, and opened his mouth to smile, and said, "This cliff has been cut off a few feet, according to the plan, the blasting of the stone can be almost completed today, and the hoisting platform will be basically completed tomorrow." ”

Li Sipang looked up at the cliffs, and couldn't help grinning, cutting off the rocks a few feet, and listening to the hanging, but this little official was full of confidence, which showed that this method of opening mountains and chiseling stones was extremely powerful.

"Is the road up the mountain smooth?" Helan Chushi opened his mouth and asked, also seeing that Li Sipang had that meaning.

The junior official pointed and said, "From Longyan Village over there, although the mountain road is still being widened and constructed, the section to the platform is basically unworked, and it is feasible for carriages and horses." ”

Helan Chushi seemed to still have some questions, and asked again, "There were precedents for digging mountains and stones in the past, what method was used and how efficient was it?" ”

The petty official said, "In the past, it was time-consuming and laborious to use the method of 'fire boiling water shock' or manual chiseling, but it will probably take forty or fifty days to do it to this extent. ”

It's only been more than 20 days, Li Sipang nodded, and said, "Rest for a while, and then go up the mountain to see Xu Cheng, Lone is very curious about such a powerful method of splitting stones." ”

……………

The gravel and residual soil were cleaned up, and Xu Qilin stepped forward to observe. In the awe-inspiring gaze of the crowd, several more locations of the eye-punching charge were marked.

The power of black powder is not very large, and it is relative to what TNT, nitroglycerin, black sojin and other explosives. And even in later generations, some quarries still use black powder, which shows that its blasting power is not bad.

The formula of black powder is the most scientific ratio used by Xu Qilin, and he also knows that a cramped space is needed to make the gunpowder have an explosive effect. Otherwise, it's a gorgeous flower.

It is of course good to use iron as a shell, but it is a pity that the workmanship is time-consuming and not urgent; It's not easy to hollow out the stone and make the kind of stone mine that blows up the devil's wow wow.

Therefore, if the stone is to be lifted, Xu Qilin will use a bamboo tube to charge the medicine and dig a pit at the bottom of the stone to fill it; If he wanted to blow up a boulder, he had the craftsman first drill holes in the stone, then fill it with gunpowder, seal it and detonate it.

Facts have proved that the efficiency of black powder blasting is more than double that of manual and traditional "fire and water shock" methods.

Experimenting, exploring, summarizing, and improving, Xu Qilin has inevitably experienced these processes. After all, he wasn't much of an expert in explosives, and he didn't know much about the specific power of black powder.

Now, Xu Qilin can arrogantly call himself the No. 1 blasting expert in Datang, and no one can challenge his lofty status.

Those who don't know why have already passed Xu Qilin to a master who can ask the Thunder God for help, or can use the Thunder Supreme Dao Method in the palm of his hand.

Dig a hole, blow it up! Ploughing, frying! Open the stone, blow up! Get in the way, fry, fry!

Xu Qilin couldn't help it, this is much more enjoyable than setting off firecrackers during the New Year! The scene of this explosion is like coming to the war of artillery fire, and he is the invincible hero.

In fact, don't blame Xu Qilin for playing like this, blasting is a science, he doesn't understand it at all, what if he doesn't need practice to explore?

What's more, such a big movement, if you don't spread it, you will see a ghost. This is likely to be taken seriously by some people, and it is not surprising that it is applied to the military field.

If Xu Qilin doesn't get some data, I don't know how many people will die in the future!

In fact, the progress of the project exceeded others' expectations, and it was not just the credit of gunpowder. Coordination and organization are equally important.

carpenters, blacksmiths, stonemasons, laborers, division of duties; Logging, bulldozing, paving, ramming, trenching, stone masonry and other processes are carried out reasonably; The road is divided into sections, and the construction is carried out at the same time......

This is also a profound knowledge, although Xu Qilin is not a professional, he has never eaten pork, and he has never seen a pig run? It can always make the work efficiency higher and the use of personnel labor more fully.

The education and developed information of later generations have made many people like him, as if they can do anything, but they are not refined or in-depth enough.

Jingling, the stonemasons began to drill holes in the stone with iron drills according to the position indicated by Xu Qilin.

This is a more primitive and laborious method than "fire and water shock", which involves chiseling a large piece of rock down, usually with a row of small eyes, and then prying it off with a crowbar.

Xu Qilin found that after chiseling several stone holes, filling them with gunpowder and tamping them, and then smashing the small stones into the hole with a hammer, the power of the explosion was extraordinary.

In other words, the tighter the restraint, the more violent the explosion, which should be a characteristic of black powder.

In the specific operation of the ancient "fire boiling water shock method", the iron drill was first used to chisel the cracks in the rock, the hemp was embedded in the stone cracks, and tung oil was poured on it, and the fire was burned. When the rock is red, cold water is poured on it, and the principle of thermal expansion and cold contraction is used to make it crack. Then pry the stones open and carry them out.

Compared with the two, it is obvious that the efficiency of black powder is much higher. Although, due to the power of the explosion, it was necessary to drill a few more holes in the rock and fill it with more gunpowder.

"Xu Cheng." A small official came over and said, "Zhao County, Shaanzhou, sent someone over, please transfer twenty wheelbarrows, and ask Xu Cheng to go and break the stones." ”

Thunder? Lao Tzu is still working! Xu Qilin rolled his eyes and said with some displeasure, "We don't have enough here, how can we transfer the car to them?" As for the stone breaking, it will also have to wait until the lifting platform here is completed. ”

"Yes, that's what Xu Cheng said." The little official smiled bitterly and said, "But their progress is too slow, and it also drags down the entire construction period." ”

Xu Qilin thought for a while and said, "Then transfer ten cars over, and then transfer ten carpenters to build cars over there and use them directly." That Zhao Xiancheng looked still capable, and he also watched here for a few days, how could he not learn anything at all, it was still the same old way. ”

As he spoke, Xu Qilin turned his head to look at the little official and said, "Why don't you go over there and point out, improve efficiency, and speed up the progress." ”

The petty official hesitated a little and said, "According to the rank of the lower official, can Xu Xiancheng listen?" ”

"You tell him that if you finish on time, you will be credited. If the construction period is delayed, then so-and-so will go to the court and punish the incompetent. Xu Qilin's face was pale, and he said sternly, "This reform of Cao Zheng is mainly based on the big surplus treasury, and the authority is not divided according to the official rank. ”

"Yes, Xia Guan understands." The petty official perked up, bowed and bowed, and turned away. With the support, what are you afraid of.

The wheelbarrow, commonly known as the "trolley", is a lightweight means of transporting goods and carrying people. Especially in the north, it plays almost the same role as a donkey.

Although marked by only one wheel, the wheelbarrow should be extremely prone to overturning according to the law of gravity. But the ancient Chinese used it to carry heavy loads, carry people, and travel long distances smoothly and lightly.

Because the wheelbarrow uses the principle of lever to bring the resistance point of the load closer to the fulcrum (i.e. the wheel) to make its own operation efficient, and also share the load on the wheelbarrow and the operator.

It is the wheelbarrow that makes it easy to move heavy or large loads, so it is extremely widely used in construction sites, mountains, and gardens.

As for the wheelbarrow wheel, its length, flat slope, the height of the struts, the straight slope and the square oval of the wheel cover are almost different from place to place and from person to person.

Although the emergence of wheelbarrows is believed to be in the Han Dynasty, the regulations are different, often requiring more than two people to operate, and they are only used more in a few places.

It should be in the Song Dynasty, the northern wheelbarrow is still pushed behind by people, and the donkey is dragged in front; The Southern Unicycle is pushed by the power of only one person.

When Chang'an organized the displaced people to work and labor on their own, Xu Qilin asked the carpenter to make a single-person wheelbarrow.

Now when it comes to mountain road construction, the unicycle is more suitable as a means of transportation because it is convenient to walk on rugged paths and mountains and hills, and its transportation volume is several times larger than that of human and animal loads.

Overall management, gunpowder blasting, the use of various tools, and comprehensive factors have caused the improvement of work efficiency and the acceleration of construction progress.

There is another point that cannot be ignored, that is, Xu Qilin's preferential treatment of the people. Being able to eat well, not beating and scolding, and working more appropriately is a rare mercy for the people.

Even the Turks sent by Li Simo to escort them over, Xu Qilin did not greet them with whips and sticks, and let these people rest for a day and recover their strength.

Not only that, Xu Qilin also sent people to fish and hunt, and paid to buy pigs and vegetables from the nearest Shaanzhou, and from time to time to improve the food for the people.

The implementation of the incentive mechanism of the sectional construction has also greatly increased the enthusiasm of the people. If you do it quickly and well, not only will the food standard be improved, but there will also be material rewards.

In fact, it looks like it's going to cost you more. But the construction period is shortened, and it is more economical than the original unhurried and procrastinating!

Anyway, what Xu Qilin needs is to complete it as soon as possible, and the cost of the project is not his, and he will not embezzle a penny from it. With a clear conscience, he naturally dares to be bold and not afraid of inspection!

Even if someone is dissatisfied with this, playing him is just a reprimand. I sympathize with what's wrong with the people, what's wrong with spending more money, and it's not in my pocket.