CN210946698U - High-strength anti-seepage coating on surface of dam - Google Patents
High-strength anti-seepage coating on surface of dam Download PDFInfo
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- CN210946698U CN210946698U CN201921715564.8U CN201921715564U CN210946698U CN 210946698 U CN210946698 U CN 210946698U CN 201921715564 U CN201921715564 U CN 201921715564U CN 210946698 U CN210946698 U CN 210946698U
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Abstract
The utility model discloses a dam surface high strength prevention of seepage coating, including the dam body, the foundation ditch has been seted up on the dam body, foundation pile fixed knot constructs has been installed in the foundation ditch, foundation pile fixed knot constructs the upper berth and is equipped with concrete base, the last coating of concrete base has the reinforced seepage prevention structure, the utility model relates to a dam surface prevention of seepage technical field establishes the foundation ditch through staying in the dam body to reaching the inslot and setting up foundation pile fixed knot and constructing, strengthening fixedly dam body internal stability, having consolidated dam body surface base simultaneously, reduced its later stage deformation and caused the hidden danger of influence to the dam surface, simultaneously through strengthening seepage prevention structure, carried out comprehensive protection to the dam body surface.
Description
Technical Field
The utility model relates to a dam surface prevention of seepage technical field specifically is a dam surface high strength prevention of seepage coating.
Background
A representative form of a water retaining building is called a dam, and is classified into an earth dam, a gravity dam, a concrete panel rock-fill dam, an arch dam, and the like, and a main water retaining building in a dam type hydropower station. The dam is also called a barrage dam and has the function of raising the water level of a river to form an upstream regulating reservoir, and the height of the dam depends on the terrain, geological conditions, submergence range, population migration, the relationship between upstream and downstream cascade hydropower stations, kinetic energy indexes and the like.
At present, in the construction of hydraulic engineering, in order to prevent the dam from being damaged or eroded by external force, a layer of concrete is usually poured on the surface of the dam to protect the dam, but at present, a concrete protective layer is simply arranged on the outer surface of the dam, the stability and the shock resistance of the concrete protective layer are poor, and in a long-term use process, cracks are extremely likely to appear, so that external rainwater is easy to permeate into the protective layer to erode the protective layer and the dam body, the safety of the dam is seriously affected, and the safety of residents at the downstream of the dam is threatened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a dam surface high strength prevention of seepage coating has solved current at dam surface concrete protective layer, and its stability and shock resistance are relatively poor, in permanent use, the crack appears in the utmost point appearance for external rainwater permeates the inside of protective layer easily, causes the erosion to protective layer and dam body, has seriously influenced the safety of dam, has the problem of threat to the resident safety in dam low reaches.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-strength anti-seepage coating on the surface of a dam comprises a dam body, wherein a foundation trench is formed in the dam body, a foundation pile fixing structure is installed in the foundation trench, a concrete base layer is paved on the foundation pile fixing structure, and a reinforced anti-seepage structure is coated on the concrete base layer;
the reinforced impervious structure comprises: the waterproof coating comprises a concrete surface layer, a primer layer, a waterproof layer and a surface layer, wherein the concrete surface layer is laid on the concrete base layer, the primer layer is coated on the concrete surface layer, the waterproof layer is coated on the primer layer, and the surface layer is coated on the waterproof layer;
the foundation pile fixing structure includes: the dam comprises an anchoring protection part and a limiting fixing part, wherein the anchoring protection part is arranged on the dam body and is positioned in the foundation trench, and the limiting fixing part is arranged on the periphery of the anchoring protection part.
Preferably, the anchor guard includes: the anchor comprises an anchoring agent, an anchor rod, a protective net and a nut, wherein deep holes are formed in the foundation trench at certain intervals, the anchoring agent is arranged in the deep holes, one end of the anchor rod is inserted into the deep holes and extends into the anchoring agent, and the protective net is arranged in the foundation trench and fixed to the exposed end of the anchor rod through the nut.
Preferably, the limit fixing part includes: the fixing frame is arranged in the base groove and is attached to the protective net, the connecting plate is arranged on one end of the fixing frame and is connected with the exposed end of the anchor rod, and the RS filler is arranged in a gap between the fixing frames.
Preferably, the primer layer is made of an impregnated organic silicon protective material, and the impregnated organic silicon protective material has high permeability, cannot seal capillary pores of the concrete surface layer, allows water in the concrete to be freely evaporated, maintains the air permeability of the concrete, and is not easy to foam.
Preferably, the waterproof layer adopts a polyurethane protective coating, and the polyurethane protective coating has good wear resistance and impact resistance, is soft and elastic, and can be used for a very thin coating.
Preferably, the surface layer adopts an aliphatic polyurea material coating, and the aliphatic polyurea material coating can improve the performances of the concrete such as abrasion resistance, permeability resistance, freeze fusion resistance, chemical erosion resistance and the like.
Advantageous effects
The utility model provides a dam surface high strength prevention of seepage passes through coating. The method has the following beneficial effects: this dam surface high strength prevention of seepage coating, through setting up the foundation ditch in the dam body, and set up foundation pile fixed knot structure in reaching the inslot, strengthen fixedly dam body internal stability, simultaneously consolidate dam body surface basic unit, the hidden danger that its later stage deformation caused the influence to the dam surface has been reduced, simultaneously through strengthening the prevention of seepage structure, comprehensive protection has been carried out to the dam body surface, current at dam exterior surface concrete protection layer has been solved, its stability and shock resistance are relatively poor, in permanent use, the crack appears to the utmost point, make the inside of external rainwater infiltration protective layer easily, cause the erosion to protective layer and dam body, the safety of dam has seriously been influenced, there is the problem of threat to the resident's safety of dam low reaches.
Drawings
Fig. 1 is a schematic view of the high-strength anti-seepage coating on the surface of the dam according to the present invention.
Fig. 2 is a schematic view of the structure of the high-strength anti-seepage coating on the surface of the dam according to the present invention in a position a.
Fig. 3 is a schematic view of a side view of a high-strength anti-seepage coating on a dam surface.
In the figure: 1-a dam body; 2-a base tank; 3-concrete base course; 4-concrete surface course; 5-a primer layer; 6-waterproof layer; 7-surface layer; 8-an anchoring agent; 9-anchor rod; 10-protective screening; 11-a nut; 12-a fixing frame; 13-a connecting plate; 14-RS packing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Referring to fig. 1-3, the present invention provides a high strength barrier coating on a dam surface:
example (b): as can be known from the accompanying drawings 1-3 of the specification, the scheme includes a dam body 1, a foundation trench 2 is formed on the dam body 1, a foundation pile fixing structure is installed in the foundation trench 2, a concrete base layer 3 is laid on the foundation pile fixing structure, a reinforced seepage-proofing structure is coated on the concrete base layer 3, and the reinforced seepage-proofing structure includes: the concrete base layer 3 is paved with the concrete surface layer 4, the primer layer 5 is coated on the concrete surface layer 4, the waterproof layer 6 is coated on the primer layer 5, and the surface layer 7 is coated on the waterproof layer 6;
wherein, foundation pile fixed knot constructs includes: the dam comprises an anchoring protection part and a limiting fixing part, wherein the anchoring protection part is arranged on the dam body 1 and is positioned in the foundation trench 2, and the limiting fixing part is arranged on the periphery of the anchoring protection part.
In a specific implementation process, as a preferable configuration, the anchoring protection portion includes: anchor agent 8, stock 9, protection network 10 and nut 11, its position relation and connection relation are as follows, and the deep hole has been seted up along certain interval in the foundation ditch 2, and anchor agent 8 installs in the deep hole, and stock 9 one end is inserted in the deep hole to inside stretching into anchor agent 8, protection network 10 install in foundation ditch 2, and fix on the end that exposes of stock 9 through nut 11, above-mentioned spacing fixed part includes: the fixing frame 12 is arranged in the base groove 2 and is attached to the protective screen 10, the connecting plate 13 is arranged on one end of the fixing frame 12 and is connected with the exposed end of the anchor rod 9, and the RS filler 14 is arranged in a gap between the fixing frames 12.
It is important to point out that, in the specific implementation process, as an optimal setting, the primer layer 5 can be made of an impregnated organic silicon protective material which has strong permeability, cannot seal capillary pores of the concrete surface layer 4, allows water in the concrete to be freely evaporated, maintains the air permeability of the concrete, is not easy to foam, can maintain the natural appearance of the concrete surface in practical application, has a waterproof effect on local defects with small dimensions, is not easy to scrape and fall off, and can greatly enhance the weather resistance of a concrete building; the waterproof layer 6 can adopt a polyurethane protective coating which has better wear resistance and impact resistance, the coating is soft and elastic and can be used for a very thin coating, the polyurethane coating has the other great advantage of lower heat conductivity and water absorption rate and has good adhesion with concrete, the polyurethane coating is used as a dam concrete heat-insulating and moisture-preserving material for a plurality of hydraulic engineering, the surface layer 7 adopts an aliphatic polyurea material coating which can improve the performances of abrasion resistance, permeability resistance, freeze fusion resistance, chemical erosion resistance and the like of the concrete, the aliphatic polyurea overcomes the aging problem, has good ultraviolet discoloration resistance and is suitable for outdoor occasions.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The high-strength anti-seepage coating for the surface of the dam comprises a dam body (1) and is characterized in that a foundation trench (2) is formed in the dam body (1), a foundation pile fixing structure is arranged in the foundation trench (2), a concrete base layer (3) is paved on the foundation pile fixing structure, and a reinforced anti-seepage structure is coated on the concrete base layer (3);
the reinforced impervious structure comprises: the concrete base layer (3) is paved on the concrete surface layer (4), the primer layer (5) is coated on the concrete surface layer (4), the waterproof layer (6) is coated on the primer layer (5), and the surface layer (7) is coated on the waterproof layer (6);
the foundation pile fixing structure includes: the dam comprises an anchoring protection part and a limiting fixing part, wherein the anchoring protection part is arranged on the dam body (1) and is positioned in the foundation trench (2), and the limiting fixing part is arranged on the periphery of the anchoring protection part.
2. The high-strength barrier coating for dam surfaces as claimed in claim 1, wherein said anchor guard comprises: anchoring agent (8), stock (9), protection network (10) and nut (11), the deep hole has been seted up along certain interval in foundation ditch (2), anchoring agent (8) install in the deep hole, stock (9) one end is inserted in the deep hole to inside stretching into anchoring agent (8), protection network (10) install in foundation ditch (2) and pass through nut (11) are fixed on the end that exposes of stock (9).
3. The high-strength impermeable coating for dam surfaces according to claim 2, wherein said position-limiting fixing part comprises: mount (12), connecting plate (13) and RS filler (14), mount (12) install in basic groove (2), and with protection network (10) laminate mutually, connecting plate (13) install with mount (12) one is served, and with anchor rod (9) expose the end and are connected, RS filler (14) install in the gap between mount (12).
4. The dam surface high-strength impermeable coating according to claim 1, wherein the primer layer (5) is made of impregnated silicone protective material, and the impregnated silicone protective material has strong permeability, cannot close capillary pores of the concrete surface layer (4), allows water in concrete to evaporate freely, maintains the air permeability of concrete, and is not easy to foam.
5. The high-strength impermeable coating for dam surfaces according to claim 1, characterized in that the waterproof layer (6) is a polyurethane protective coating, which has good wear resistance and impact resistance, and is soft and elastic, and can be used for very thin coatings.
6. The high-strength impermeable coating for dam surfaces as claimed in claim 1, wherein said surface layer (7) is made of aliphatic polyurea material coating, and said aliphatic polyurea material coating can improve the properties of concrete such as abrasion resistance, impermeability, freeze resistance and chemical resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715564.8U CN210946698U (en) | 2019-10-14 | 2019-10-14 | High-strength anti-seepage coating on surface of dam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715564.8U CN210946698U (en) | 2019-10-14 | 2019-10-14 | High-strength anti-seepage coating on surface of dam |
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| CN210946698U true CN210946698U (en) | 2020-07-07 |
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| CN201921715564.8U Active CN210946698U (en) | 2019-10-14 | 2019-10-14 | High-strength anti-seepage coating on surface of dam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962475A (en) * | 2020-08-25 | 2020-11-20 | 山东黄河工程集团有限公司 | Dam upstream face seepage prevention structure |
| CN112854489A (en) * | 2021-03-19 | 2021-05-28 | 北京中水科海利工程技术有限公司 | Concrete surface integral impervious layer and forming method thereof |
-
2019
- 2019-10-14 CN CN201921715564.8U patent/CN210946698U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962475A (en) * | 2020-08-25 | 2020-11-20 | 山东黄河工程集团有限公司 | Dam upstream face seepage prevention structure |
| CN112854489A (en) * | 2021-03-19 | 2021-05-28 | 北京中水科海利工程技术有限公司 | Concrete surface integral impervious layer and forming method thereof |
| CN112854489B (en) * | 2021-03-19 | 2022-03-18 | 北京中水科海利工程技术有限公司 | Dam concrete surface integral impervious layer and forming method thereof |
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