E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 29/045 (2006.01)
Patent
CA 2615102
There is provided a method of constructing a section of a half-tunnel in a slope (10) of a mountain or hill (12), including the steps of forming a lock block (18) along the section (16) above the upper edge of the half-tunnel to be excavated, inserting lock elements (22) traversing the lock block and extending into the mountain, excavating portions of the mountain beyond and below the lock block defining roof and bottom portions of the half -tunnel, and repeating the excavating procedure until the entire section of the half- tunnel is formed.
L'invention concerne un procédé de construction d'une section d'un demi-tunnel dans une pente (10) d'une montagne ou d'une colline (12) comprenant les étapes de formation d'un bloc d'immobilisation (18) le long de la section (16) au-dessus du bord supérieur du demi-tunnel à creuser, d'insertion d'éléments d'immobilisation (22) traversant le bloc d'immobilisation et s'étendant dans la montagne, de creusement de parties de la montagne au-delà et au-dessous du bloc d'immobilisation définissant des parties de toit et de fond du demi-tunnel, et de répétition de la procédure de creusement jusqu'à la formation de la section entière du demi-tunnel.
Liberman Shlomo
Yuger Mordechai
Botzer Hasida
Naaman Ofer
Nelligan O'brien Payne Llp
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