A canopy combination supporting construction is managed in advance to stool roof beam for tunnel is strutted

The utility model discloses a canopy combination supporting construction is managed in advance to stool roof beam for tunnel is strutted belongs to building technical field, and its structure includes advance support structure, the perpendicular supporting construction in earth's surface and slope supporting construction, and slope supporting construction includes two, is located the perpendicular supporting construction's in earth's surface the left and right sides, and the advance support structure includes reinforced concrete direction knee wall and a plurality of leading tub of canopy, tunnel entry top, adjacent advance support structure are equipped with the perpendicular supporting construction in earth's surface, and the perpendicular supporting construction in earth's surface includes that the concrete ends thick liquid layer and a plurality of spray of molten steel pipe, is equipped with the concrete on the earth's surface of spray of molten steel nose end and ends the thick liquid layer, and the tunnel both sides are provided with slope supporting construction, and slope supporting construction is a plurality of tipping tube canopies that set up along the slope of tunnel lateral wall. The utility model provides a tunnel entrance be located in and shallowly bury, under the bias voltage, the special geology environment of weak surrounding rock, crush and must cause the earth's surface and warp and then arouse the problem on landslide.