Supporting structure for soft rock roadway and construction method of supporting structure

The invention belongs to the technical field of soft rock roadway supporting, and provides a supporting structure for a soft rock roadway and a construction method of the supporting structure, and is characterized in that the supporting structure comprises an NPR anchor cable and an anchor rod support; a concrete layer; the middle supporting layer is laid along the surface of the concrete layer; the middle supporting layer comprises a plurality of supporting units; each supporting unit comprises an upper steel plate, a lower steel plate and a supporting device; the upper steel plate is laid on the concrete layer; the upper steel plate is connected with the lower steel plate through the supporting device. When the roadway surrounding rock deforms, pressure generated by the roadway surrounding rock can be released through the supporting device connected with the oil-gas system, and safety of the roadway is guaranteed. 本发明属于软岩巷道支护技术领域，提供一种用于软岩巷道的支护结构及其施工方法，其改进之处在于，支护结构包括：NPR锚索以及锚杆支护；混凝土层；中间支护层，延混凝土层的表面铺设；中间支护层包括