US1814509A - Dam - Google Patents
Dam Download PDFInfo
- Publication number
- US1814509A US1814509A US370072A US37007229A US1814509A US 1814509 A US1814509 A US 1814509A US 370072 A US370072 A US 370072A US 37007229 A US37007229 A US 37007229A US 1814509 A US1814509 A US 1814509A
- Authority
- US
- United States
- Prior art keywords
- dam
- wall
- face
- columns
- upstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000011144 upstream manufacturing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
Definitions
- the reconditioning of a leaking dam takes place by placing on the upstream side of the dam a thin water tight wall which is supported by the dam itself in such a manner that it is free to expand and contract in its own'plane independent of the dam.
- the tightening wall may, however, also be erected in close proximity to the upstream dam face, so long as the pressure transmitted from the tightening wall to the upstream dam face is taken up by means which permit the contraction and expansion of the tightening wall in its own plane independent of the dam.
- 1 indicates the dam to be repaired and 2 is a tightening wall which may be constructed of reinforced concrete, sheet iron or other material, and which is preferably tightly embed- 370,072, and in Norway May 11, 1929.
- the water pressure on the tightening wall 2 is taken up by means of columns 5 of a suitable material, said columns being sufiicient- 1y thin to offer no resistance to contractions or expansions of the dam in a plane vertical to the axis of the columns.
- a permanent dam comprising the combination with a main concrete dam adapted to withstand all the load of the water pressure, of a thin water tightwall located a certain distance away from the upstream face of the dam, and means for supporting the thin wall against the dam including a number of independent columns adapted to yield in all directions in such a manner that the said thin wall is permitted to expand or contract in its own plane independent of the main dam.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Revetment (AREA)
Description
July 14, 1931. c. F. GRGNER DAM Filed June 11. 1929 Patented July 14, 1931 UNITED STATES PATENT? OFFICE Application filed June 11,1929, Serial No The present invention relates to an improvement in dams, and the object of the invention is to provide improved means for repairing leaking dams.
In cases where old dams of stone, concrete or the like have developed leaks, it is customary to repair the same either by the injection under pressure of a suitable concrete mixture in the body of the dam, or by providing the upstream face of the dam with a fresh water tight layer of concrete.
None of these methods are quite satisfactory, the injection system being very expensive and not thoroughly reliable, and the other system having the drawback that the contractions and expansions of thelayer on the up} I stream face of the dam differ from those of the dam itself, so that fissures and ruptures of the new layer will develop.
In accordance with the present invention the reconditioning of a leaking dam takes place by placing on the upstream side of the dam a thin water tight wall which is supported by the dam itself in such a manner that it is free to expand and contract in its own'plane independent of the dam.
It is preferred to erect the new tight wall at a certain distance from the upstream face of the old dam, the pressure on the water tight wall being transmitted to the dam proper by means of columns distributed overthe pressure area and being adapted, owing to their own elasticity or to their connection with the dam and tightening wall, to yield in planes 1 Vertical to their axis.
The tightening wall may, however, also be erected in close proximity to the upstream dam face, so long as the pressure transmitted from the tightening wall to the upstream dam face is taken up by means which permit the contraction and expansion of the tightening wall in its own plane independent of the dam.
An embodiment of the invention is illustrated on the drawing, showing diagrammatically a cross section through a dam repaired in accordance with the present invention.
1 indicates the dam to be repaired and 2 is a tightening wall which may be constructed of reinforced concrete, sheet iron or other material, and which is preferably tightly embed- 370,072, and in Norway May 11, 1929.
ded as indicated by 3 in the rock in front of the upstreamdam face 4:.
The water pressure on the tightening wall 2 is taken up by means of columns 5 of a suitable material, said columns being sufiicient- 1y thin to offer no resistance to contractions or expansions of the dam in a plane vertical to the axis of the columns.
Claim. I v
A permanent dam comprising the combination with a main concrete dam adapted to withstand all the load of the water pressure, of a thin water tightwall located a certain distance away from the upstream face of the dam, and means for supporting the thin wall against the dam including a number of independent columns adapted to yield in all directions in such a manner that the said thin wall is permitted to expand or contract in its own plane independent of the main dam.
In testimony whereof I afiix my signature.
CHRISTIAN FREDRIK GRfiNER.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO1814509X | 1929-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1814509A true US1814509A (en) | 1931-07-14 |
Family
ID=19910447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US370072A Expired - Lifetime US1814509A (en) | 1929-05-11 | 1929-06-11 | Dam |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1814509A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375929A (en) * | 1980-09-02 | 1983-03-08 | Clark Travis B | Protective flood barrier |
| DE4143043A1 (en) * | 1991-01-12 | 1992-07-16 | Schwarz H Juergen Dipl Ing | Sealing wall for reservoir dam - consists of two parallel walls with intermediate sealing skin |
| US10119235B2 (en) * | 2015-01-27 | 2018-11-06 | Electricite De France | Pondage device |
-
1929
- 1929-06-11 US US370072A patent/US1814509A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375929A (en) * | 1980-09-02 | 1983-03-08 | Clark Travis B | Protective flood barrier |
| DE4143043A1 (en) * | 1991-01-12 | 1992-07-16 | Schwarz H Juergen Dipl Ing | Sealing wall for reservoir dam - consists of two parallel walls with intermediate sealing skin |
| US10119235B2 (en) * | 2015-01-27 | 2018-11-06 | Electricite De France | Pondage device |
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