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航弹属于常规武器,数量较多,使用简便,是袭击坑道特别是军以下坑道的重要武器。现代航弹口径增大,类型增多,命中精度提高。特别是制导航弹和高能装药航弹的出现,给坑道防护带来了新的问题。我国五十年代坑道工程的抗航弹要求,与当时苏联的情况相近。此后则经历数次变化。通观这段历史可以看出,坑道工程抗航弹要求主要有两种方案:一种是把坑口结构的抗力作为主要甚至是唯一的标志:另一种则不把坑口结构抗力作为标志,而视它为坑道工程抗航弹的措施之一。
The bomb was a conventional weapon, with a large number and ease of use, and was an important weapon to attack the tunnel, especially the tunnel below the army. The diameter of modern aircrafts has increased, the types have increased, and hit accuracy has been raised. In particular, the advent of guided bombs and high-energy charge bombs has brought new problems to tunnel protection. The anti-bomb requirements of the tunnel project in the 1950s in China were similar to those of the Soviet Union at the time. After that, it went through several changes. Throughout this period of history, we can see that there are basically two major requirements for the anti-aircraft bombing requirements of the tunnel project: one is to use the resistance of the pit structure as the main or even the only signage; the other is not to use the structural resistance of the pitwork as a sign, and the other It is one of the measures for anti-bombing of tunnel engineering.