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1. WO2020115013 - PROCÉDÉ DE REMBLAYAGE DE TRANCHÉE COMPORTANT DEUX CONDUITES ET TRANCHÉE AINSI REMBLAYÉE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS

1. A filled trench comprising:

a pair of conduits (3a, 3b) for delivering fluid with a different

temperature in each of the conduits (3a, 3b), the pair of conduits (3a, 3b) being surrounded by filling material;

a first section (5a) filled with a filling material of a first type (4a), wherein the first filled section (5a) of the filled trench occupies a space surrounding a first conduit (3a) of the pair of conduits (3a, 3b); and

a second section (5b) filled with a filling material of a second type (4b), wherein the second filled section (5b) of the filled trench occupies a space surrounding a second conduit (3b) of the pair of conduits (3a, 3b);

wherein the filling material of the first type (4a) has a first thermal conduction coefficient and the filling material of the second type (4b) has a second thermal conduction coefficient, the second thermal conduction coefficient being different from the first thermal conduction coefficient.

2. The filled trench according to claim 1 , wherein the first section (5a) and the second section (5b) are vertically separated from each other, as seen in a vertical cross sectional side view of the filled trench.

3. The filled trench according to claim 1 , wherein the first section (5a) and the second section (5b) are horizontally separated from each other, as seen in a vertical cross sectional side view of the filled trench.

4. The filled trench according to claim 1 , wherein the first section (5a) and the second section (5b) are diagonally separated from each other, as seen in a vertical cross sectional side view of the filled trench.

5. The filled trench according to any of claims 1 -4, wherein the conduits (3a, 3b) of the pair of conduits (3a, 3b) are parallel arranged, as seen in a horizontal cross sectional top view of the filled trench.

6. The filled trench according to any one of claims 1 -5, further comprising a third section (7) arranged as a cover of the filled trench.

7. The filled trench according to any one of claims 1 -6, wherein the pair of conduits (3a, 3b) are formed by plastic tubing.

8. A method for filling a trench (1 ) comprising a pair of conduits (3a, 3b) for delivering fluid with a different temperature in each conduit, the method comprising:

filling (S506) the trench (1 ) with filling material (4a, 4b) such that the pair of conduits (3a, 3b) are surrounded by the filling material (4a, 4b);

characterized in that the act of filling comprises:

filling the trench with filling material of a first type (4a) such that a first filled section (5a) of the trench (1 ) is formed, wherein the first filled section (5a) of the trench (1 ) is occupying a space surrounding a first conduit (3a) of the pair of conduits (3a, 3b); and

filling the trench (1 ) with filling material of a second type (4b) such that a second filled section (5b) of the trench (1 ) is formed, wherein the second filled section (5b) of the trench (1 ) is occupying a space surrounding a second conduit (3b) of the pair of conduits (3a, 3b);

wherein the filling material of the first type (4a) has a first thermal conduction coefficient and the filling material of the second type (4b) has a second thermal conduction coefficient, the second thermal conduction coefficient being different from the first thermal conduction coefficient.

9. The method according to claim 8, further comprising forming (S502) the trench (1 ) by removing material from ground (9).

10. The method according to claim 8 or 9, further comprising arranging (S504) the conduits (3a, 3b) of the pair of conduits (3a, 3b) parallel to each other in the trench (1 ), as seen in a horizontal cross sectional top view of the filled trench.