探讨了高等级公路在采动影响下的地面维修措施和井下开采措施。其中地面维修措施主要包括加高路基、加宽路基、灌浆处理采动裂缝;调整超限的坡度、竖曲线、平面圆曲线和超高;修理不平整的路面和损坏的涵洞;采动前在水泥混凝土路面上设置变形缝,减小水泥混凝土路面单体的长度,以增大抵抗水平变形的能力;对重要的涵洞进行采前加固或改为管涵,以增加涵洞抗变形的能力;对下沉的桥梁抬高、加大桥墩,以满足洪水时的过水断面等。井下开采措施主要有:采用柱式开采、充填开采和离层注浆减沉等措施以减小地表沉陷;也可恰当地布置工作面,使路基、桥、涵所受变形最小;对特别重要的桥、涵还可留设保护煤柱等。
The ground maintenance measures and measures for underground mining of high grade highway under the influence of the mining are discussed.Ground maintenance measures include increasing the height and width of embankment,filling cracks in mining processing;adjusting slope,vertical curves,plane curves and ultra-high circular which is overrun;repairing uneven road surface and damaged culverts;in order to increase the capacity to resist horizontal deformation,setting deformation crack on the concrete pavement before mining,reducing the length of concrete pavement monomer;reinforcing important culverts or changing it to culverts;for sinking bridges,elevating,increasing the pier to meet the cross section when the flood.Underground mining measures are: using pillar mining,backfill mining and separation grouting to reducing surface subsidence;arranging face properly to make highgrade highway,bridge,culvert suffered minimal deformation;leaving in protection pillar for very important bridge and culvert.