前言自古以来,人类就利用岩洞。古时候地下建筑主要用于人类的居住,因为整体岩石为防卸野兽提供条件,并使洞室保持冬暖夏凉。今天,进行地下建筑,人们具有远为优良的机具。实际上,我们能够使地下建筑工程比地面建筑更快更便宜。关于地下空间的利用,芬兰是很幸运的,以前寒武系结晶岩为主的基岩为建造地下岩石 Foreword Since ancient times, mankind has utilized caves. In ancient times underground buildings were mainly used for human habitation because the whole rock provided the conditions for preventing beasts and kept the cave warm in winter and cool in summer. Today, underground construction, people have much better machinery. In fact, we can make underground construction faster and cheaper than ground construction. Finland is fortunate enough to use underground space, and previously bedrock rock, formerly Cambrian crystal rock, was used for the construction of underground rock