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Underground passage under Place de la Concorde
Passage comprises 192 m long 14.5 m wide straight section parallel to banks of River Seine, and 194 m long 9.5 m wide curved section branching into Champs Elysees; 170 m of this work is underground, balance constitutes open cut; work presented particular difficulties due to crossing over subway tunnel, high groundwater line, and proximity of Concorde Bridge which required construction of seven bentonite-grouted walls 1 m thick 20 m long 14 m deep to replace original abutment.
Underground passage under Place de la Concorde
Passage comprises 192 m long 14.5 m wide straight section parallel to banks of River Seine, and 194 m long 9.5 m wide curved section branching into Champs Elysees; 170 m of this work is underground, balance constitutes open cut; work presented particular difficulties due to crossing over subway tunnel, high groundwater line, and proximity of Concorde Bridge which required construction of seven bentonite-grouted walls 1 m thick 20 m long 14 m deep to replace original abutment.
Underground passage under Place de la Concorde
Le passage souterrain place de la concorde
Fauveau, P. (author) / Morel, C. (author)
1968
9 pages
Article (Journal)
French
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Underground passage under Place de la Concorde
| Engineering Index Backfile | 1968
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| Engineering Index Backfile | 1900