The precise calculation results of the experts made all the officers of the Navy breathed a sigh of relief. At this moment, they were more concerned about the fleet returning from Britain. As long as the fleet returning from Britain could block the escape route of Cheng's headquarters, this fleet that caused huge losses to the United States would be annihilated by them. This is not a big or small achievement for the United States.

Just when the Americans were yy, Cheng's department strengthened its attack on the dam in the Panama Canal, using armor-piercing bombs and crazy attacks. They were all tungsten-core armor-piercing bombs. The attack power of the dams with reinforced concrete was amazing. In addition, Cheng's hit rate was extremely high, and it was a fixed object. It took two hours to form a series of caves on the dam, almost 20 meters deep. This is a huge and irreparable hole for a building. If it were an ordinary building, such an attack would have been unbearable. For a huge dam, this is nothing, and it is even difficult to weaken the dam.

The targets of Cheng's attack on the dam were at the bottom of the dam. The bottom of the dam was the strongest object of a dam. The dam at the bottom of the dam had a straight distance of more than 100 meters. The huge volume made the dam strong enough. This was also the result of American experts' evaluation. Although in just two hours, with the power of the armor-piercing bomb and the aiming command system, at least 8 huge caves were created at the bottom of the dam, which had a huge impact on the structure of the dam. Compared with the dam, these were only tiny, from intact to 20 meters. In this process, the armor-piercing bomb showed great power, but with the increase in depth, if it continued, even if the attack intensity was strengthened, the effect was minimal. This was also the fundamental reason why the American structural experts made previous decisions.

China has long known this result, and they also know that the entire dam cannot be destroyed by armor-piercing bombs alone. With the continuous attack, the damage to the dam is also reduced. The armor-piercing bombs are powerful enough, but they attack the outside and have enough lethality to the outside attacks. However, when they enter the inside and the big hole formed by the attack, the attack power is significantly reduced.

Not only Americans know that Chinese structural experts are also aware that the caves formed by armor-piercing bombs are not regular. Sometimes, the attack of shells cannot form the best effect, and the final attack power may be only one-tenth of the previous one. Faced with such a situation, at this time, on the battleship, it looks like another, and the warhead has been replaced again. There is no choice for armor-piercing bombs, because armor-piercing bombs are difficult to achieve. If the 20-meter god cave is to be penetrated from a certain angle, it is difficult. Most of them are hit by the side, or even brushed through irregular areas inside. For armor-piercing bombs, expand the cave from a radius of about 10 meters to 2

It can be hit again if it is 0 or 30 meters, but the entire dam is more than 100 meters. It cannot be like this. For a dam with a width of up to 300 meters and a thickness of 100 meters, a 20-meter-diameter cave cannot be destroyed. If it is not possible to form a cave with a 100-meter radius and a 100-meter-deep cave on the dam, it is impossible. It is possible to have dozens of ships. This is also the result of the calculations of those experts. The four fantasy levels will cause huge damage to the dam. However, under the premise that the main structure is no problem, the dam can be used and repaired to a certain extent. As long as it is not in the repair process, it will be fine if it encounters earthquakes and tsunamis above 8 magnitude.

Earthquakes and tsunamis are definitely small-probability problems. If you really encounter them, even if the United States is unlucky, this is what the American structural experts believe. The American structural experts can calculate this. China, who has learned from German experts, can also calculate this. Although the construction of a dam is a little more difficult, there is no problem in design. Most dams in the world are the same, a trapezoidal structure to block water and other geological disasters.

Since there is no way to deal with it, how could he still come? Just to hurt the dam, Cheng Biguang did not need to take the risk. His purpose was to destroy the dam, and at least the Panama Canal was unable to play a role for more than 6 months, laying a good opportunity for China's Pacific Strategy.

After spending a few hours, after completing the huge cave on the dam, the shells were replaced with incendiary bombs. Incendiary bombs are a special ammunition developed by China. They are mainly composed of a mixture of oil and rubber and have a strong combustion effect. The combustion temperature is as high as 1,500 degrees, and even steel can be burned, not to mention the structure of reinforced concrete. The incendiary bombs are 12 rounds, and the incendiary bomb attacks are carried out in sequence, requiring white phosphorus and solidified oil to be attached to the inside of the dam. When a large amount of flames and burning substances burn on the inside of the dam, they will continue to burn inward in a relatively closed space.

The structure of reinforced concrete is not impossible to burn. As long as the temperature reaches a certain level, it will become fuel and continue to burn. As long as it is fuel, the combustion continues, it can destroy the structure of the dam and produce a continuous effect. Although the incendiary bomb cannot be compared with the armor-piercing bomb in a one-time effect, the continuous effect is definitely above the armor-piercing bomb.

This is the only way to destroy the dam in China. Although it is slow in attack efficiency, for China, this is the only choice. The next attack method is, if there is no threatening warship arrives within at least 3 days, Cheng Biguang's troops have enough time to attack the dam slowly. Armor-piercing bombs have the best reinforced concrete structure to attack. For dams, it is impossible to attack this huge dam at all. Instead, it is burning. A single incendiary bomb attack is enough to cause high-intensity burners to burn more than 30 minutes. Then, with the help of precise shooting, it is better to add fuel continuously. Every two hours, using high-explosive bombs to send a large amount of explosives into it will make the cave bigger and bigger. Use armor-piercing bombs for a certain period of time. In this case, the efficiency is much stronger than using armor-piercing bombs directly.

The fantasy level is very powerful, and it is also made in China. The most powerful warship in the world is made with the help of various special ammunitions. He even had an amazing destructive power to a certain extent. Wall Street was destroyed, which clearly showed this. However, if we don’t use some means, it would not work. The huge reinforced concrete structure of 300 meters wide, 100 meters thick, and 100 meters high. This is the largest creation created by humans. What he resisted was not the attack of war and artillery fire, but the power of nature.

On both sides of the Panama Canal, the sea level drop between the Atlantic Ocean and the Pacific Ocean is as high as 26 meters. If the Panama Canal cannot balance this height, it can only form a high-level lake in the center, so that the height on both sides can reach a certain level and accommodate ships of certain specifications. The first thing this dam needs to withstand is the pressure brought by a huge amount of water at least 30 meters. At the same time, the natural storms generated by the Atlantic Ocean and the Pacific will also affect the Panama Canal. The dam must also block these storms. As for the ebb and flow of tides, this is a natural phenomenon and it must also be resisted.

Because of this, the strength of the dam is far beyond the ordinary level. Not to mention the four fantasy-class ships, with this strength, it should be fine if there are a few more ships. In the 2 hours, the attack of the battleships was a bit slack, and the frequency of the attack was reduced by at least 10 times compared to the previous two hours. This is a bit happy with the Panama defenders, but the sudden increase in caves under the high explosive bomb shocked them. It was obvious that the attack power did not increase in 2 hours, or even slowed down by at least 10 times, but the destructive power was increasing. Although there was no sign of how much it was inside, the gap in the dam had increased from a radius of 10 meters to 30 meters, and there was a trend of increasing.

What is going on? Although the attack on the dam is still going slowly, every shell fell, like an alarm bell hitting the Panama Commander's heart. I don't know why, the attack efficiency will be so good, but the commander immediately informed the headquarters of the telegram. The Navy Command did not expect it to be like this at all. According to the plan given by the structural engineer before, this is probably the result of one day. There is no way to let the experts continue to consider it before leaving. Through the telegram, the commander did not allow the commander to observe carefully. After all, the types of these shells can be seen, and the pattern of the opponent's attack is clear, so it is convenient for the calculation in the rear.

The contact between wired telegraphs is very convenient. Before the truncation, the contact between the Panama Canal and the headquarters was smooth. According to the requirements of the navy, the commander reported the basic data of all aspects. Now, the experts were also a little stunned. They had never been exposed to the incendiary bomb, but in the attack in New York, the incendiary bomb played a considerable role. The data on the incendiary bomb was relatively complete, but there was only destructive power, no key things such as temperature, but they could burn steel.

Then the core temperature is at least 1600 degrees. When this fuzzy data comes out, everyone was shocked. The experts once again invested in the calculation. This time the incident became even more huge. With the help of mechanical computers, more than 150 experts had 3 hours of calculation. The experts looked tired and always took out a data. If such an attack lasted for 36 hours, the dam could not guarantee it, which means that the dam was likely to be breached. (To be continued.)
Chapter completed!