Based on frost heave and frost boil disease mechanism analyses of embankment in permafrost regions

a new synthetical embankment with permeable geotextile

block stone interlayer and waterproof geotextile is proposed

whose anti-frost heave and boil effect is investigated by a model test. The results show that

compared with common embankment

the new synthetical anti-frost heave and boil embankment can decrease its temperature and have good cooling effect whether the air temperature is high or not. Moreover

it can decrease water content effectively; and the decrease ratio of water content is increasing with period increasing. These properties are advantageous to prevent frost heave and boil diseases from occurring and developing. What’s more

the new synthetical anti-frost heave and boil embankment is easily constructed and its cost is also low. Therefore

it has extensive application prospects.