Train?

Where did the train come from?

The huge sea is considered a well-informed person, but that is only relative to the people in the village.

Looking left and right around the dozen or so cars, they don't look like trains, and these cars don't look the same.

With confusion and depression, everyone came to the next day.

The next day was a little bit more work, but only a little more.

What are they doing? Of course, it is to pull the weeds and clear the grass between the two bamboo poles on both sides of the road, along the bamboo poles that were planted yesterday.

This is not construction, but in the cultivation of the land.

It only took more than 100 people half a day to clear a distance about five miles long, which was basically half of what was inserted yesterday.

For all the workers who were born as farmers, this work was not heavy.

Then, the remaining ten people continued to pull the weeds, and the others began to enter the real construction phase.

However, this process still made everyone wonder.

As the foreman of the contractor, Panghai naturally wants to participate, but he needs to be responsible for the overall situation, so he doesn't do much work, but more in coordinating and commanding, and assisting technicians to complete the work.

Of course, this work is too untechnical, and there is basically no need to command, and after blindly commanding for a while, Da Da Hai also personally picked up the shovel and began to work.

More than 20 flatbed trucks, more than 20 cows, more than 20 people, one person controls a flatbed truck, nearly 50 people at one end, load the lime powder on the ground to the car, and then these people pull the lime powder over, and the people here need to sprinkle the lime powder evenly on the ground.

Yes, you don't need to turn the ground, you don't need to fry the soil, you don't need to ram, you just start sprinkling lime.

"The sea, what kind of way is this? I remember that in the past, didn't the ground be leveled, sprinkled with lime, then covered with a layer of cooked soil, then rammed, sprinkled with lime, and paved with three layers, and then completely hardened the ground in paving? Why don't you even have to level the ground now? Someone wondered.

Maybe there is something wrong with what he said, not that you don't have to level the ground, but that you don't have to level the ground as hard as before.

If there is an obvious pit in the ground, you still need to fill it with soil, the requirement is to be slightly higher than the ground, and then sprinkle lime on it, and don't worry about the rest.

"Let's get started!" Bao Dahai looked at the construction site in front of him, and the progress was very fast.

Although there are not many people, there are not many places where people are really needed now, and more than 20 cars, in fact, can fill the lime shaman within two or three miles in less than half an hour.

They tried this in the test site, using the equipment to build a one-mile-long concrete road, which took seven days.

If you remove the waiting time in between, the road can be repaired in a maximum of three days.

The cumbersome steps of frying soil and tamping have now been completely eliminated.

The purpose of stirring the soil is to prevent the residual insect eggs and grass seeds in the foundation, and to use the temperature to kill them to avoid these insects or grasses from damaging the foundation, and the tamping is to further compress the growth space of these unfavorable factors, and also to prevent the foundation from sinking as much as possible.

But now, with the arrival of these devices, these cumbersome steps are completely out of use.

With Bao Dahai's order, two rollers began to operate, the rollers were very wide, about three meters, and in front of them was a steel drum with a diameter of one and a half meters, the surface was polished smooth and shiny, and this roller was hollow.

But don't underestimate the hollow, in order to ensure that the structure is strong enough, inside, there are twelve arm-thick steel bars supporting each other, just the weight of a roller, it has reached a weight of more than 4,000 catties.

In order to get more accurate data, Jiang Tian and the others even used Cao Chong's method of weighing the elephant to measure the weight of the roller.

It was concluded that without carrying coal, the weight of the roller was nearly 8,000 catties.

Eight thousand catties, what is the concept? He just drove over like this, and the effect was better than how many people smashed hundreds of times.

Of course, there is a more domineering one in the test site, the front roller is a solid roller, and its weight is estimated to be at least 15,000 pounds.

With that, the effect will be even better.

But unfortunately, Datang's current road conditions are not suitable for the kind of heavy ones, but the technology and methods are available, and when the bridge is enough to support it, you can go directly to the horse.

And now, this kind of roller of more than 8,000 catties is very convenient to use now, and the effect is also very good.

The biggest advantage of mechanization is that it liberates the work pressure of a large number of people, so that human beings begin to transform from manual workers to mental workers.

It's an amazing invention.

The road roller buzzed ahead, and the speed was fast, faster than those ox carts that led the oxen and pulled the lime, and the road that pressed over, uh, didn't it seem too good?

It doesn't matter, the second one will come right away, and after the second one is pressed, the situation seems to be better than the first.

"Hurry up and get to work, don't let the equipment stop for a while and wait for you to ......" The workers subconsciously stopped what they were doing, and then looked at the two rollers happily running with demented eyes.

The distance of more than one mile, in fact, is about seven or eight hundred meters, for the roller, even if the speed can not be driven to the fastest at the beginning, but if it is a one-way trip, it will take less than ten minutes.

And according to this width, a roller needs about four times, that is, two back and forth can be pressed once, counting all kinds of wasted time, half an hour's effort, a roller can press here once, and now there are two rollers, which is equivalent to half an hour to press twice.

And if they don't stop working, according to the five hours of work a day, a roller can run ten times a day, put a person under the drum ten times to see what it will become?

"Contractor, what's that?" Huge Hai felt that his three views had been refreshed, and he felt that he had to ask, otherwise he would never be able to bear the itch in his heart.

"The latest gadget, is specially designed to replace the manual tamping equipment, and not only fast, the effect is good, after pressing over, the whole ground is very flat, a piece of such equipment, just press for half a day, you can proceed to the next step." Bao Dahai explained that when he first saw this thing, he was no better than Dang Hai, but he was a technician and reacted much faster than Dang Hai.

The effect, the huge sea did see it, and the fat sea now has only one sentence left in his heart, can I say that my mother sells batches?

"In addition to this, we also have other equipment, so this time the road repair, your work is actually quite simple, just like the ones you did yesterday, the ones you did today, the later stage is to sprinkle water, tidy up the corners, smooth the road surface, the heaviest tamping, soil transportation work These equipment will be completed for you." Bao Dahai continued to explain.

The equipment sent this time includes road rollers, trucks for transportation, forklifts, and equipment for mixing concrete.

Of course, these are extremely advanced devices in the eyes of these people, but on the side of the Academy of Sciences, they are only temporary equipment that has to be introduced due to time constraints.

Several core problems have not been well solved, the reason why the road repair plan is advanced is because the results achieved in the test site are too amazing, so the Ministry of Industry decided to use this batch of equipment to build a cement road of about 20 miles to test it to see if it is really reliable.

As for the problem with the putter, is that the problem? It's hard to work hard, it's a big deal to call more people to help temporarily, the construction site is full of people, and it's not a big deal.

In the spirit of hard work that there are many people and I am not afraid, Jiang Tian even made the truck into a dump mode, but the range of dumping is not large, at most it can only be at a 45-degree angle, and it is very laborious, requiring at least ten people to control it outside the car.

The brake problem is temporarily solved, the only thing that has not been solved is the material problem, tested various materials, the results are not too good, now can only be replaced by steel sheets temporarily, and then replace them after the suitable materials are found, and during this period, it is necessary to check the wear and tear of the brake pads every day, for this reason, Jiang Tian They specially installed a small wire on the brake pads, there is a hole on it that can be worn out, pull it out by hand every day, if it is loose, or it falls off directly, it means that it is necessary to replace it with a new one.

The time has already reached the afternoon, so today they did not see more equipment show their faces, but watched the two rollers fiercely for an afternoon.

However, on the second day, they had a deep understanding of what real mechanized work was.

Hell knows where so many trucks came, each loaded with dirt that had been dug up from nowhere, and with the help of the huge sea, the trucks were able to unload the dirt on their own and lay it forward little by little as they moved.

Half a day, it was covered with a layer of soil, in the afternoon the forklift and the roller at the same time, the forklift intended to bulldoze it, the roller compacted it, followed by the workers, see where it is uneven, give a little soil, and then wait for the roller to continue to press.

In three days, seven or eight hundred meters long, three layers of lime and earth, the mixed layer of gravel The foundation is mud and gravel.

On the fourth day, the two rollers pressed for a whole day, and at the same time began to sprinkle a small amount of water, and on the fifth day, the sprinkler began to increase, and the rollers moved to the front to continue to exert power.

On the eighth day, the other side also entered the sprinkling stage, and after three days, the water had already penetrated into every location, but it did not dry up completely, so the roller was on it all day.

On the ninth day, the cement is laid, and at this point, it basically means that this section of the road has been completed, and the rest is just to wait for it to dry naturally, as well as manual assistance, this process, at most seven days is enough.

Although a road was only completed for seven or eight hundred meters, it only took half a month, and this progress really scared people.