日本是世界上较早进入高速公路建设国家之一,至今已有6000km以上的高速公路,对边坡的治理和绿化十分重视,其绿化的工艺、技术、设备都具有国际先进水平。 在日本,常用的坡面防护方法大致为植物和工程防护。植物防护方法就是建植草木等植被进行坡面防护,又被称为生物防护方法。工程防护方法包括构造物、挡土墙 Japan is one of the earliest countries in the world to enter the expressway construction. Up to now, Japan has more than 6,000 km of highways. It attaches great importance to the management and afforestation of the slopes. Its greening technology, technology and equipment all have the international advanced level. In Japan, commonly used methods of slope protection are generally plant and engineering protection. Plant protection method is to build vegetation such as vegetation slope protection, also known as biological protection methods. Engineering protection methods include structures, retaining walls