Regardless of men or women, as long as they are healthy, Datang wants it! Everyone will be assigned to work accordingly, whether it is weeding, leveling the land, or doing anything else, there will be a suitable job.

In addition, the existing wharf is heightened, and the detection channel is stacked.

Although this wharf is not as good as the wharf of Daetang, it is almost the only external wharf of Silla, so the channel of this wharf has actually been expanded for hundreds of years.

In ancient times, whether it was a seaport or a river port, almost all of them followed the principle of wide bay and deep water, and the construction of a port where there was a water bay could avoid the impact of waves caused by storms and rains.

The depth of the water is naturally enough to dock a large number of ships.

The same is true of this port wharf near Jincheng, and the current water depth of the wharf is estimated to be at least seven or eight meters deep.

This depth can fully meet the current Datang's main battleship, a battleship with a full load displacement of 2,800 tons, and the Datang's main battleship has a full-load draft of only 4.5 meters.

But because the ships are tall and the wharf here is too low, it is very troublesome to load and unload goods, so Li Daozong and his team want to re-expand and build the wharf.

Ancient wharves are different from modern wharves that go deep into the ocean, especially seaports, even if there are natural bays, but because of the depth of the water, it is difficult to build large ports, at most you can build some small wharves and dock some small fishing boats.

It was very difficult to build a large harbor terminal in ancient times, so there was a natural bay forty or fifty miles northeast of Gyeongju where the port could be built, which was later the location of Pohang City in South Korea.

It will be one of the most important ports in South Korea in the future, but now there is just a small pier used by fishermen.

Similar to the wharf of the seaport in later generations, Datang has begun to build, but it can only be built after there is reinforced concrete, and the wooden wharf is not impossible, but it is okay to dock fishing boats, etc., and it is too difficult for large warships.

In addition to these, at present, whether it is Datang or the seaports of other sea-profiling countries, to be precise...... Or a river port. For example, whether it is Guangzhou Port or Shanghai Port, Datang is actually built in the estuary of the river, rather than the real sea.

The reason for this construction is naturally because it is easier to build a river port, and the shore is fixed by piling and other methods near the river bank, and after it is fixed, the soil on the periphery of the piling is excavated.

Because it is close to the river bank, it is not much difficult to dig very deep.

Such a port can be built quickly, which is much less difficult than the construction of a coastline, and it is safer with less wind and waves.

The current port of Geumseong is a river port to be precise, and its exact location is the Taehwa River in Ulju County, South Korea in later generations.

Although the Taihe River is only a river less than 50 kilometers long, it is estimated that it will be a stream at most in Datang, but it will be a river in Korea in the future.

Because Silla's Golden Fortress is the closest to here, the port here is also developing at the fastest speed, of course, because the current ships do not have high requirements for the port and water depth.

If you ask for deeper ships, it is estimated that Busan, which is not far from the next door, will develop, but the pier in Busan is not as good as here.

The construction and expansion of river ports is much simpler than that of seaports.

Li Daozong did not plan to build a wharf that extended into the river, but could build it directly at the edge of the embankment, and it was enough to extend and expand the wharf.

However, unlike the original wharf construction, which first drove the foundation piles and then dug out the soil outside, this speed was too slow, so Li Daozong decided to lay the foundation piles directly from the river bank to the water at a distance of about one meter.

On this section of the riverbank, the water depth at this distance can basically reach about seven or eight meters, which is enough for the Tang Dynasty ships to dock.

According to this pile, it is not a problem to have an extra two-kilometer pier.

The choice of foundation pile is a fifteen-meter-long, adult-sized steel pipe that is directly transported from Datang China.

These pipes are directly rolled up and forged and cast together.

However, it will not be possible until the second batch of cargo ships arrive, a total distance of about 2,000 miles, with the current speed of Datang's sea ships, and if the ship can sail at night, it will take less than two days to arrive.

It's only four days to go back and forth.

Before that, it is only necessary to do a good job in advance, for example, after laying the foundation pile, prepare a large amount of filling, and fill the gap between the foundation pile and the shore.

For example, a large amount of gravel directly fills the sack and then throws it in to create the foundation, which is the fastest way to fill the construction.

The reason for this construction is mainly to build the terminal higher in the later stage, so that after the ship docks, the cargo loading and unloading is more convenient.

However, this requires a lot of stones, and it just so happens that there is a mountain not far from the port, and there is certainly no shortage of stones.

Datang is not short of food, and in this era there may not be enough tools, but in this era you can hire enough people at a very low price.

In later generations, various tools may be able to dig a lot of stones in a day, but it doesn't matter if there are not many stones in this era, as long as there are enough people.

As long as there is enough time, Li Daozong can employ tens of thousands of people here.

Even if one person transports only 100 kilograms a day, 50,000 people are 5 million kilograms, 5,000 tons.

One person transports 200 kilograms, that's 10,000 tons.

Anything, as long as the base is large enough, it can have a terrifying effect.

What's more, this is the capital of Goguryeo, with a population of more than 50,000? As for the price of hiring them?

Four catties of grain a day for one person, and only 200 tons of grain for 100,000 people a day, while a Datang main transport ship can transport 1,500 tons of grain for five days with a full load.

This is just one ship, and there are at least dozens of transport ships like this in Datang now.

Therefore, Li Daozong did not lack any materials at all, let alone ...... Salt is far more valuable than grain in Silla.

In Datang, the cost price of a catty of salt is even much lower than a catty of grain, while in Silla, twenty catties of grain can be exchanged for a catty of coarse salt.

What's more, many times, you have 20 pounds of grain, but you may not be able to exchange it for salt.

But now Li Daozong has a large amount of salt in his hands, as long as you work for three days, you can exchange it for one catty of salt, or twelve catties of grain.

Such a salary can be said to have caused a huge sensation around the entire pier, and spread in all directions like ripples in the water.

The mercenary of coolies spreads, and the conversation is divided between two ends, on the other side, the inconspicuous beggars, who have returned near noon.