Research on the Weathering Problems of Longmen Grottoes

Longmen Grottoes is the world’s cultural heritage, now it is facing with serious weathering problems. The weathering problems of Longmen Grottoes are divided into three categories: physical weathering, chemical weathering and biological weathering. With the continuous deterioration of environmental and climatic conditions, the damage of chemical weathering to Longmen Grottoes becomes more and more obvious. The damage and damage mechanisms of three categories of weathering to Longmen Grottoes are discussed based on the previous studies.