DE604204C - Sealing core for earth dams, especially dams - Google Patents
Sealing core for earth dams, especially damsInfo
- Publication number
- DE604204C DE604204C DENDAT604204D DE604204DD DE604204C DE 604204 C DE604204 C DE 604204C DE NDAT604204 D DENDAT604204 D DE NDAT604204D DE 604204D D DE604204D D DE 604204DD DE 604204 C DE604204 C DE 604204C
- Authority
- DE
- Germany
- Prior art keywords
- dams
- sealing core
- earth
- walls
- sealing
- 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
Links
- 238000007789 sealing Methods 0.000 title claims description 11
- 239000000945 filler Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- E02B7/06—Earth-fill dams; Rock-fill dams
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Description
Dichtungskern für Erddämme, insbesondere Staudämme Die Sicherheit von Erddämmen hängt vor allem von dem Grad der Wasserdurchlässigkeit der Dämme ab. Es wird daher der Durchbildung der Dammdichtung besondere Aufmerksamkeit gewidmet und die Ausbildung eines besonderen Dichtungskernes in der Mitte des Dammes, vor allem bei höheren Dämmen, bevorzugt. Die Erfindung betrifft einen solchen Dichtungskern für Erddämme, insbesondere Staudämme.Sealing core for earth dams, especially dams The security of earth dams depends mainly on the degree of water permeability of the dams. Special attention is therefore paid to the formation of the dam seal and the formation of a special sealing core in the middle of the dam especially at higher dams, preferred. The invention relates to such a sealing core for earth dams, especially dams.
Die bisher bekannten, aus Eisenblech, Beton oder Eisenbeton hergestellten und als Massivkörper oder zur Aufnahme von Kontrollgängen und Schächten als Hohlkörper ausgebildeten Dichtungskerne haben den Nachteil, daß sie den infolge des Wasserdruckes auftretenden Bewegungen der frischen Dammschüttung nicht in genügendem Maße folgen können und daß daher Risse auftreten können, die den Bestand des Dammes gefährden. Man hat daher bei derartigen Dichtungskernen aus Beton horizontale Bewegungsfugen angeordnet, aber auch mit dieser Ausbildung keine einwandfreie Dichtung erreicht.The previously known, made of sheet iron, concrete or reinforced concrete and as a solid body or as a hollow body to accommodate inspection corridors and shafts trained sealing cores have the disadvantage that they are due to the water pressure Do not follow the movements of the fresh embankment to a sufficient extent and that therefore cracks can occur which endanger the existence of the dam. One therefore has horizontal expansion joints in such sealing cores made of concrete arranged, but achieved no perfect seal even with this training.
Gemäß der Erfindung sollen diese Nachteile dadurch beseitigt werden, daß der Dichtungskern aus zwei oder mehr hintereinander angeordneten, nicht miteinander verbundenen dichten elastischen Wänden besteht, die im Baugrund verankert sind, und daß der Zwischenraum bzw. die Zwischenräume zwischen den Wänden mit durchlässigem Füllstoff angefüllt sind.According to the invention, these disadvantages are to be eliminated by that the sealing core consists of two or more arranged one behind the other, not with one another connected dense elastic walls that are anchored in the subsoil, and that the space or spaces between the walls with permeable Filler are filled.
In der Zeichnung sind zwei Ausführungsbeispiele des Erfindungsgegenstandes dargestellt.The drawing shows two exemplary embodiments of the subject matter of the invention shown.
Die elastischen dünnen Wände a können den insbesondere in der ersten Betriebszeit je nach dem Wechsel des Wasserspiegels auftretenden erheblichen Bewegungen der Schüttung d, e folgen, ohne daß eine Zerstörung ihres Gefüges eintritt. Durch die tiefliegende Gründung der Wände und die Verbreiterung der Gründungssohle des Dammes wird das Entstehen zu großer Scherspannungen an der Einspannungsstelle der Wände vermieden. Die beiden Wände können genügend weit voneinander entfernt angeordnet werden, um die Kontrolleinrichtungen c aufzunehmen. Wenn sich nach Jahren des Betriebes herausstellt, daß der Baustoff der Wände verrottet und brüchig ist, so kann der zwischen den Wänden liegende Füllstoff b durch Zementeinspritzungen oder durch Einspülung von Lehm verdichtet -werden. Gegen die mit dieser Verdichtung eintretende Versteifung des Dichtungskernes bestehen keine Bedenken, da sich die Dammschüttung inzwischen genügend gesetzt hat und der steife Kern imstande ist, die entsprechend verkleinerten Bewegungen des Dammes aufzunehmen.The elastic thin walls a can in particular in the first Operating time depending on the significant movements occurring when the water level changes follow the bed d, e without their structure being destroyed. By the deep foundation of the walls and the widening of the foundation base of the Dammes will create excessive shear stresses at the clamping point of the Walls avoided. The two walls can be arranged at a sufficient distance from one another to include the control facilities c. If after years of operation If the building material of the walls turns out to be rotten and brittle, he can filler b lying between the walls by cement injections or by flushing to be compacted by clay. Against the stiffening that occurs with this compression There are no concerns about the sealing core, since the embankment has meanwhile been reduced has set enough and the stiff core is able to reduce the size accordingly Record movements of the dam.
Abgesehen von den genannten Vorteilen ist mit der erfindungsgemäßen Ausbildung eines Dichtungskernes eine erhebliche Verbilligung gegenüber den bekannten Dichtungskernen aus Beton verbunden.Apart from the advantages mentioned, with the inventive Formation of a sealing core is considerably cheaper than the known ones Concrete sealing cores connected.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE604204T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE604204C true DE604204C (en) | 1935-07-12 |
Family
ID=6575170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT604204D Expired DE604204C (en) | Sealing core for earth dams, especially dams |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE604204C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE932120C (en) * | 1950-12-19 | 1955-08-25 | Alfred Kretzschmar | Dam which is equipped with a waterproof covering or the like |
| DE939260C (en) * | 1950-07-16 | 1956-02-16 | Demag Ag | Process for inserting a sealing insert into the subsoil or the foundation structure of dams, dams or other heavily loaded extensive foundations |
-
0
- DE DENDAT604204D patent/DE604204C/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE939260C (en) * | 1950-07-16 | 1956-02-16 | Demag Ag | Process for inserting a sealing insert into the subsoil or the foundation structure of dams, dams or other heavily loaded extensive foundations |
| DE932120C (en) * | 1950-12-19 | 1955-08-25 | Alfred Kretzschmar | Dam which is equipped with a waterproof covering or the like |
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