It can also be used to destroy solid targets, such as permanent fortifications, bridge piers, concrete pavements, airport runways, etc. External charge blasting is a blasting that deploys the charge outside the target. This blasting method requires more resources than internal charge blasting.

There are many, but the operation is simple and rapid. It is mostly used for sabotage operations under time constraints, such as destroying bridges, tunnels, airports, ports, warehouses and weapons and equipment. Its charge configuration is determined according to the tactical and technical requirements and the structure of the target to be destroyed.

Blasting can also be used to level the river bottom, deepen the river bed, remove obstacles in the water and blast ice, drift ice, ice dams, etc. The shapes of charges include group charges, in-line charges (extended charges) and shaped charges (

Shaped charge). The weight of the charge is calculated and determined based on the target's geometric dimensions, material strength and configuration. The detonating charge usually uses the fuse ignition method, the electric ignition method, the detonating tube ignition method and the combination of the above ignition methods.

The detonating cord propagation method used. Relevant safety rules must be strictly followed when carrying out blasting operations.

"Report to the general, the 12th Army, Demolition Battalion, has been ordered to arrive." said a strong Cossack, and it was clear from his appearance that he was a professional soldier.

"Very good, have you seen the several buildings in front? I want you to blast the one in the middle." The general said directly without talking nonsense. He asked this guy to stand at his own position and use his telescope.

After giving it to this guy, now all his hopes are on this guy, "Be sure to ensure the scale of the blast. It can't be too big, as long as it can open a gap for us to rush through." The general saw this guy.

Without saying a word, he said anxiously from the side.

The Cossack hesitated for a moment. The general guessed it right. This guy is a professional soldier. His name is Itek. It can be said that the entire family is a soldier. I believe everyone is familiar with the Cossack cavalry. The Cossack cavalry is a Russian

A special unit used to replace the cavalry. The Cossack cavalry can move very quickly and can quickly retreat and leave the battlefield when the battle situation is unfavorable (unless they are fighting a fast force with extremely high mobility). The Cossacks are

One of the most legendary groups in the world. If the Gypsies are a people on caravans, then the Cossacks are a people on war horses. The Cossacks traveled across Eurasia with a war horse and a saber.

On the vast battlefield, it galloped for hundreds of years and covered tens of thousands of miles, and wrote an indelible mark in the history of Russian social development and the history of world wars.

"General, I have to say that this is difficult. The building opposite has about thirty floors, and when it was first built, I saw that they considered various things for building on frozen soil. I saw a small amount of*

* It's definitely not possible, and if you exceed it, it will exceed your goal." Professional soldiers' answers are all based on the perspective of war, and they will never be considered according to the will of the commander.

Frozen soil refers to various rocks and soil below zero degrees Celsius and containing ice. It can generally be divided into short-term frozen soil (a few hours/days or even half a month)/seasonal frozen soil (half a month to several months) and permafrost (permafrost)

Several years to tens of thousands of years). The area of ​​permafrost/seasonally frozen soil and short-term frozen soil areas on the earth accounts for about 50% of the land area, of which the permafrost area accounts for 25% of the land area. Permafrost is

A soil medium that is extremely sensitive to temperature and contains abundant underground ice. Therefore, frozen soil has rheological properties, and its long-term strength is much lower than its instantaneous strength characteristics. Because of these characteristics, construction of engineering structures in frozen soil areas must face challenges

Two major dangers: frost heave and thaw subsidence. As the climate warms, permafrost is constantly degrading.

Although the global permafrost is degrading, there is nothing like it in the Far East. Just like the mobile building in front of us, it has not changed at all from decades ago, so the builders took these into consideration at the time. Simply

For example, if one thousand tons of concrete were used to build this high-rise building in the southern area, two thousand tons or more would have to be used here, so more explosives must be used during blasting. If more concrete is used,

Is that any different from what tanks used to be?

Itek struggled to explain. The general didn't hear clearly what this guy said, but he also understood that this guy came here in vain and was of no use at all. His demolition troops were just decorations. "

So, there's nothing you can do?" The general didn't save any face for this guy. He looked at his watch and saw that the deadline given to him was approaching, but he hadn't entered the city yet.

Itek shook his head helplessly. He really had no way to do this as the general wanted. While they were talking, the latest attack in front showed results again. Although the troops below the third floor were cleared with the help of grenades and other things,

But those who entered the attack were defeated and retreated. The losses in defense were always less than those in attack. In this attack, more than a hundred young men lost their lives directly.

"General, I have a way, but??" Yitke said with some embarrassment.

"Tell me, at this time, haven't you seen that there are so many casualties?" The general wanted to kick this guy to death. How could he be doing anything when he was still so hesitant after all this time?

"Then let me put it bluntly, suicide bomber." As a soldier, Itek is still very courageous.

The general is also a soldier. Of course they are aware of things like suicide bombs used by terrorists and police, but those things exploded in the crowd. He really doesn't understand what role they would have in such a building, and he is a little confused.

Look at this guy.

"General, our people can rush into the building now. Our people can cover behind, and then let the soldiers rush up with guns. The force does not need to be too large. We can nibble in bit by bit.

"If we follow my plan, we can eliminate the enemies in the entire building within fifty minutes." Itek is a professional soldier. He can imagine that this method will kill thousands of people, but now the military goal is the most important.

The main thing is that in the past, the general would definitely not consider this method, but now he has no choice. If he goes in according to his own method, it will definitely not be possible in fifty minutes.

"Go and prepare immediately. I will send people over to support you. How many people are needed?" The general said after being silent for a long time. He knew very well that these people who were going in would never come back alive.

"Including the covering troops, we need at least 3,000 people." Itek said softly. At present, these 3,000 people will not be able to come back if they go in. The weapons he brought over can arm 2,000 people.

Yes, as for the so-called cover ones, they probably won't come back. Itek's plan is obvious, which is to have people rush up with guns. If one doesn't work, just two. Although it's also a fueling tactic, it's certain.

If people die on their side, people on the other side will also die. It would be a disadvantage for them to change the method. But at present, they have no other way. If they continue to follow the general's method, even if

Even if you fight hard to the end, you may not be able to make it in.

At this time, Xu Guozhu laughed loudly. Although two of his brothers died again, the other party dropped more than a hundred. It was regarded as repelling the enemy's attack again. He couldn't remember how many it was.

Time, I just checked with the president, it’s time for them to retreat. The first time I took the Guards Division out to perform a mission, they were maimed. Alas, there will be some success when I go back this time.

It's a joke, but I'm facing a hundred thousand people with fatal consequences, so there's no shame in saying it.

"Captain, there seems to be something wrong with these old fools. Look, why don't their troops attack? Just now, they were shouting to rush forward. Why are there none of them now? Is there something wrong with them?

What happened?" Observer Xiao Fang saw something different now. When we repelled them just now, there would be troops from far away who were about to rush up. But now there seemed to be no one except the security troops.

.

"What? There is such a thing." Xu Guozhu was a little puzzled when he heard it, but he was not naive enough to think that they were about to retreat. He understood very well that this might be the enemy adapting their offensive strategy. The importance of those people

The weapons could be seen from where they were standing. They were definitely not using heavy weapons. They could see it now, but what would they use if they didn't use heavy weapons?

While the regiment leader was still looking around, Xiao Fang shouted "Captain, be careful." He pulled Xu Guozhu down, and then shot a large number of disciples from the opposite position. If he hadn't acted quickly,

If so, Xu Guozhu will probably be reimbursed by now.

Xu Guozhu was also puzzled. He was shooting here from such a distance. Could it be that they had too many bullets? Xu Guozhu glanced around and found that all the soldiers around him were suppressed. This must be the same as the attack just now.

Well, that time their people rushed into the building, but under the suppression of their superior firepower, those people were pushed out, but no results were achieved.

"Captain, they came in again. This time they fired tens of thousands of rounds. I think those people are a little different from before." Xiao Fang saw through the gap that the people outside were a little different.

, they seem to have something like this on their bodies, but they don’t know what it is.

"Leave half of the people here and continue to watch. If there is a chance, kill them immediately." After Xu Guozhu finished speaking, he was about to lead the hundred and ten people downstairs. There were only one hundred and ten people below who should not be able to withstand it, and he himself

I also feel that these people are different from last time and there must be some conspiracy.

Sure enough, those who rushed in below were not in a hurry to rush towards the second floor. After paying the price of dozens of people, they occupied the entire first floor. But they were all waiting. What on earth were they waiting for?

Not only were these people confused, but even some of the soldiers downstairs didn't know. They just knew that they were asked to bring some things up. As for what those things were, they obeyed the order and were not allowed to ask.

"No, flash bomb, close your eyes." Xu Guozhu saw a flash bomb thrown up from the building. Because the power had been cut off, he was not far away from the explosion when he saw it, but his subordinates always train

Suitable.

A flash bomb is a kind of portable bomb that uses strong light to hinder the vision function of the opponent. It has become one of the auxiliary weapons. When the flash bomb explodes at high altitude, it can release a dazzling bright light for a moment, and people who are nearby and looking at the flash bomb explosion can

Temporary blindness will cause the enemy to temporarily lose or weaken their combat judgment. It will also damage the coating of the optical equipment on the tank, causing the detector to lose its detection ability. At the same time, there is also a "covering the eyes" method to interfere with the enemy's effect to ensure your own short-term safety.

The flash bomb itself does not produce offensive damage fragments when it explodes, so it is also used to hijack airliners inside the cabin to subdue hijackers; another type of flash bomb is a directional radiator, which can release most of the radiation in one direction.

Inspire energy.

It is said that this is the first time that flash bombs have been used, but the people of the Guards Division have also been trained. At least half of them have maintained their combat effectiveness, and the other half have moved a little slower, so they are all here

They calmed themselves down and did not rub their eyes vigorously like other people. During training, they all knew that calming themselves down was the best way.

Xu Guozhu was one of those who survived. At this moment, he saw that only a few of the enemy were rushing up. This seemed to be different from their previous style. Just shoot and attack. This is the most dangerous time. The people who came up were

I didn’t even know why so many people came up, but when I saw the things on my body flashing, I finally knew why I came up. Then there were several explosions, and the entire stairwell on the second floor was filled with flames. More than a dozen people came up.

Almost all of them died, but the dozen or so people led by Xu Guozhu also suffered several casualties. Damn it, if we go by this ratio, all of our own people will be reimbursed in a short time. This is absolutely not possible.

"Captain, retreat quickly. Damn it, these people have bombs on them. We can't resist it." Xiao Fang also followed down. He understood what was going on and how the people on his side died.

Yes, if we continue to defend here, we may not be able to get back.

"Evacuate???" Xu Guozhu also knew it, and he immediately ordered people to evacuate from the chaos on the second floor. However, in this way, the brothers on the other two buildings also had to evacuate, otherwise they would easily be shot from behind.

.

"General, our people have occupied the second floor. Let's continue going up." Yitli said. He seemed a little excited at this moment. I don't know why, this guy gets excited when he sees blood.

"Very good, your method is very effective. Keep going." The major general also agreed. It only took a dozen people to die to occupy the first floor. If this continues, they will be able to attack quickly. He ordered the machines below.

The gunmen worked hard and had plenty of bullets. As long as they could seal the people above, they could do anything. But in this way, it would be impossible for the people in this building to get out. When he was happy, Xu Guozhu above

But he was depressed, and he was really excited now. He never thought that these Russians would come here. If this continues, even if he spends all his money, he can't stop them. After all, they can't afford the loss, and his own

People can't afford to lose.

"Captain, we have lost two squads. They have already reached the sixth floor and are continuing to advance. Moreover, they are firing harder in front of the building. We cannot take the lead. Their bullets seem to be free.

Yes, our rapid-fire cannon on the top floor is out of shells." The staff officer told the regiment leader and the doctor immediately continued to count some numbers. At this time, how much combat power he has is very important, which is directly related to his side.

What to do.

"Captain, the two buildings next to us have also been attacked like this. Building C has reached the seventh floor. We are all compressed and can't hold on anymore." At the beginning, the troops were hit on the building.

Here, you did the right thing by letting the enemy come to attack you, but now you also let the enemy come to catch a turtle in a jar.

Xu Guozhu's face wrinkled up. He really didn't expect that he would be so useless in the face of a suicide attack. In fact, he can't be blamed for this. After all, he hurts others with his own initiative. If you kill ten thousand enemies, you will lose eight.

Thousands, this is common in wars, but for the Guards Division, this is not true. They have always had a battle loss ratio of ten or even dozens to one against the enemy. Such are the people of the Guards Division,

But now, the enemy is fighting them one to one, which is not a good sign.

"Damn, this is forcing us to do something. Order the brothers to hold on on the sixth floor while I go to contact the husband." Xu Guozhu has no good solution now. It's useless to do anything at this time. He just stands aside.

Xiaofang thought of a way, but he didn't dare to say it. Would it be too much if he said it?

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Chapter completed!