库木吐喇石窟第56窟为中心柱券顶窟，其壁画保存状况极差，所存壁画均被烟熏。壁画颜料层起甲后呈大片斑驳脱落，券顶两侧的壁画起甲尤甚，轮廓极其模糊。此外，地仗空鼓严重、大面积脱离岩体，时有掉落的危险。为此，通过起甲壁画加固、空鼓地仗层灌浆加固、风化砂岩支撑体加固等方法对第56窟壁画进行了抢救性的保护修复，解除了目前威胁壁画保存的病害，保证目前条件下的安全和稳定，使之能够长期保存下去。%In cave 56 at the Kumtura Grottoes, the murals are in very bad condition and all the murals are blackened by soot;much of the paint layer has flaked off in large pieces, especially the murals on the two sides of the arch ceiling, which are obscured. In addition, severe detachment appears in the plaster connecting some mu-rals to the walls and large sections are visibly separated from the rock body and could fall to the ground at any moment. In response to this severe deterioration, a conservation team has carried out an emergency restoration for these paintings by consolidating the flaking murals and the detached murals by grouting, and by reinforcing the supportive body of weathering sandstone, thus solving the main problems threatening the murals and ensur-ing security and stability that hopefully will preserve them permanently.
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