Drawhole supporting construction

The utility model belongs to the building field specifically is a drawhole supporting construction, its characterized in that includes well long anchor rope, stock, steel fiber concrete layer, crossbeam, bottom plate rail and bottom plate connecting reinforcement, wherein: tunnel two help with the v...

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Bibliographic Details
Main Authors WU MING, LIU YUMING, CHEN XIAOWEI, GE QIFA, ZHAO BINGFENG, LIU HUAWU, FENG XINGLONG
Format Patent
LanguageEnglish
Published 09.12.2015
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model belongs to the building field specifically is a drawhole supporting construction, its characterized in that includes well long anchor rope, stock, steel fiber concrete layer, crossbeam, bottom plate rail and bottom plate connecting reinforcement, wherein: tunnel two help with the vault steel fiber shotcrete of portion to close plating net, beat the stock and well long anchor rope is strutted, and the bottom sets up dress ore deposit admission passage bottom plate, adorns and lays the rail on the admission passage bottom plate of ore deposit, set up the crossbeam in drawhole eyebrow line department, the crossbeam adopts the angle steel to weld in succession to form in the lower flange on by two rows of I -steel, outside both sides of crossbeam and middle part set up the bearing diagonal, and the bearing diagonal is the channel -section steel, and both ends are connected with crossbeam and steel sheet respectively, and the steel sheet is fixed with the resin stock at tunnel lateral wall and top respectively. The utility model discloses a drawhole supporting construction, the maintenance cost is low, and the shaping is rapid, and is safe practical.
Bibliography:Application Number: CN20152589917U