CN114703854B - Construction method of dam in water conservancy and hydropower engineering - Google Patents
Construction method of dam in water conservancy and hydropower engineering Download PDFInfo
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- CN114703854B CN114703854B CN202210288734.9A CN202210288734A CN114703854B CN 114703854 B CN114703854 B CN 114703854B CN 202210288734 A CN202210288734 A CN 202210288734A CN 114703854 B CN114703854 B CN 114703854B
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 8
- 238000002513 implantation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The application relates to a construction method of a dam in water conservancy and hydropower engineering, which comprises the following steps: drilling holes by using an earth drill in an inclined way, enabling the holes to pass through the dam body of the dam and then pass through cracks, drilling the dam, and putting the reinforcing component into the holes which are obliquely arranged; then pouring concrete into the drill holes penetrated with the reinforcing components and the cracks of the dam; pouring concrete into the dam cracks; and (5) rolling and compacting the concrete poured in the cracks. According to the application, the concrete is poured into the drilled holes penetrated with the reinforcing components and the dam cracks, after the concrete is solidified, the opening of the dam cracks is further restrained from being further enlarged by the reinforcing components, meanwhile, the concrete can be contacted with the inner wall of the cracks and the surface of the embedded pipe, the contact area of the poured concrete is increased, the concrete can be firmly fixed in the cracks after pouring and solidification, the reinforcing and reinforcing effects on the dam body are further improved, and the use safety of the dam is ensured.
Description
Technical Field
The application relates to the technical field of hydraulic and hydroelectric engineering, in particular to a construction method of a dam in the hydraulic and hydroelectric engineering.
Background
The hydraulic and hydroelectric construction engineering mainly researches basic knowledge and skills in the aspects of hydraulic engineering drawing and drawing, hydraulic construction, engineering cost and the like, and performs engineering design, construction, supervision, operation, management and the like in the field of hydraulic and hydroelectric construction engineering. For example: hydropower station design, project construction progress tracking, project supervision and the like. The dam refers to a water blocking dam for intercepting a river, a water blocking dam for a reservoir, a river and the like. The general reservoir dam mainly comprises a main dam, an auxiliary dam, a normal spillway, a very spillway, a newly added very spillway, a smart canal culvert pipe and a power station. The dam can be divided into two main categories, namely concrete dams and earth and rock dams. The type of the dam is selected according to the natural condition of the dam site, the building material, the construction site, the diversion, the construction period, the manufacturing cost and the like. In the long-term use process of the concrete dam, larger cracks appear in the dam body gradually, reinforcement is needed, a grouting method is generally adopted for reinforcement and reinforcement of the concrete dam at present, but the grouting method is poor in reinforcement and reinforcement effect on the dam cracks, the dam cracks can be enlarged again, the condition of the dam is further aggravated, the use safety of the dam body is seriously affected, and therefore, the dam construction method in the hydraulic and hydroelectric engineering is provided.
Disclosure of Invention
The application provides a construction method of a dam in water conservancy and hydropower engineering, which solves the technical problems in the prior art.
The scheme for solving the technical problems is as follows: a construction method of a dam in water conservancy and hydropower engineering comprises the following steps:
step S1: blowing out dead leaves, trunks, dust and the like in the dam cracks through an air blower, obliquely drilling holes through an earth drill to enable the drilled holes to pass through the dam body of the dam and then pass through the cracks, finally drilling into the dam, and placing the reinforcing component into the obliquely arranged drilled holes;
step two S2: then pouring concrete into the drill holes penetrated with the reinforcing components and the cracks of the dam;
step three S3: in the process of pouring concrete into the cracks of the dam, the concrete can be evenly distributed in the cracks of the dam body by vibrating while pouring;
step four S4: after the crack is filled, rolling and compacting the concrete poured in the crack;
step five S5: and (3) surrounding guardrails around the cracks of the poured concrete until the concrete poured in the cracks of the dam body is completely solidified.
On the basis of the technical scheme, the application can be improved as follows.
Further, the reinforcement subassembly includes metal sleeve, metal sleeve's inside is inserted and is equipped with the implantation pipe, evenly run through on the lateral wall of implantation pipe and offered a plurality of perforation, every all insert the puncture needle in the perforation, the periphery on metal sleeve top cup joints fixedly has first solid fixed ring, the periphery on implantation pipe top cup joints fixedly has the solid fixed ring of second, the inside activity of implantation pipe is inserted and is equipped with ejection mechanism, the top fixedly connected with inscription ring of implantation pipe inner chamber, be equipped with the screw groove on the inscription ring inner wall.
Further, the first fixing ring is fixedly connected with the second fixing ring through screws.
Further, ejection mechanism includes interior inserted bar, the bottom of interior inserted bar is equipped with the circular arc top, the top of interior inserted bar lateral wall is equipped with the screw thread bellying that cooperates the work with the screw thread groove, the top of interior inserted bar is connected with the swivel plate.
Further, the second fixing ring is also fixed on the outer periphery of the imbedding tube through screws.
In step S1, the second fixing ring is detached from the outer periphery of the insertion tube, and the second fixing ring drives the metal sleeve to move, so that the metal sleeve is removed from the outer periphery of the insertion tube.
Further, after the metal sleeve is taken down from the periphery of the imbedding pipe, an operator holds the periphery of one end of the imbedding pipe protruding out of the dam body in a hand manner, then inserts the interpolation rod into the imbedding pipe, when the circular arc plug contacts with the end part of the puncturing needle in the imbedding pipe, the circular arc plug ejects the puncturing needle, and then the ejected puncturing needles respectively puncture into the inner wall of the crack.
Further, when the threaded protruding portion moves to the inner ring, an operator drives the inner inserting rod to rotate through the rotating plate, and as the threaded groove matched with the threaded protruding portion to work is formed in the inner wall of the inner ring, the threaded protruding portion is movably connected to the inner ring through threads, and the inner inserting rod can be fixed in the insertion tube.
Further, the rotating plate is fixed to the top end of the inner inserting rod through a screw.
Further, after the inner inserting rod is fixed in the imbedding pipe through the threaded protruding part, the rotating plate is detached from the top end of the inner inserting rod, and then the part, protruding out of the dam body, of the inner inserting rod is cut off through the cutting machine, so that the top end of the inner inserting rod does not protrude out of the surface of the dam body.
The beneficial effects of the application are as follows: the application provides a construction method of a dam in water conservancy and hydropower engineering, which has the following advantages:
according to the application, the concrete is poured into the drilled holes penetrated with the reinforcing components and the dam cracks, after the concrete is solidified, the opening of the dam cracks is further restrained from being further enlarged by the reinforcing components, meanwhile, the concrete can be contacted with the inner wall of the cracks and the surface of the embedded pipe, the contact area of the poured concrete is increased, the concrete can be firmly fixed in the cracks after pouring and solidification, the reinforcing and reinforcing effects on the dam body are further improved, and the use safety of the dam is ensured.
The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the present application, as it is embodied in the following description, with reference to the preferred embodiments of the present application and the accompanying drawings. Specific embodiments of the present application are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic flow chart of a method for constructing a dam in a hydraulic and hydroelectric engineering according to an embodiment of the present application;
fig. 2 is a schematic structural view of a reinforcement assembly used in a construction method of a dam in the hydraulic and hydroelectric engineering provided in fig. 1.
In the drawings, the list of components represented by the various numbers is as follows:
1. a metal sleeve; 2. a first fixing ring; 3. placing into a tube; 4. a penetrating needle; 5. a second fixing ring; 6. a pointed cone; 7. an inner insert rod; 8. arc top; 9. a threaded boss; 10. and (5) rotating the plate.
Detailed Description
The principles and features of the present application are described below with reference to fig. 1-2, the examples being provided for illustration only and not for limitation of the scope of the application. The application is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the application will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the application.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, the present application provides a construction method of a dam in hydraulic and hydroelectric engineering, comprising:
step S1: blowing out dead leaves, trunks, dust and the like in the dam cracks through an air blower, obliquely drilling holes through an earth drill to enable the drilled holes to pass through the dam body of the dam and then pass through the cracks, finally drilling into the dam, and placing the reinforcing component into the obliquely arranged drilled holes;
step two S2: then pouring concrete into the drill holes penetrated with the reinforcing components and the cracks of the dam;
step three S3: in the process of pouring concrete into the cracks of the dam, the concrete can be evenly distributed in the cracks of the dam body by vibrating while pouring;
step four S4: after the crack is filled, rolling and compacting the concrete poured in the crack;
step five S5: and (3) surrounding guardrails around the cracks of the poured concrete until the concrete poured in the cracks of the dam body is completely solidified.
Preferably, the reinforcement assembly comprises a metal sleeve 1, an insertion tube 3 is inserted in the metal sleeve 1, a plurality of perforations are uniformly formed in the side wall of the insertion tube 3 in a penetrating mode, penetrating needles 4 are inserted in each perforation, a first fixing ring 2 is fixedly sleeved on the periphery of the top end of the metal sleeve 1, a second fixing ring 5 is fixedly sleeved on the periphery of the top end of the insertion tube 3, an ejection mechanism is movably inserted in the insertion tube 3, an inner connecting ring is fixedly connected above the inner cavity of the insertion tube 3, and a thread groove is formed in the inner wall of the inner connecting ring.
Preferably, the first fixing ring 2 and the second fixing ring 5 are fixedly connected through screws.
Preferably, the ejection mechanism comprises an inner inserting rod 7, an arc ejector head 8 is arranged at the bottom end of the inner inserting rod 7, a threaded protruding portion 9 which is matched with the threaded groove to work is arranged above the side wall of the inner inserting rod 7, and a rotating plate 10 is connected to the top end of the inner inserting rod 7.
Preferably, the second fixing ring 5 is also fixed to the outer circumference of the insertion tube 3 by screws.
Preferably, in step S1, the second fixing ring 5 on the outer periphery of the insertion tube 3 is detached, and then the second fixing ring 5 drives the metal sleeve 1 to move, so that the metal sleeve 1 is removed from the outer periphery of the insertion tube 3.
Preferably, after the metal sleeve 1 is removed from the outer periphery of the insertion tube 3, an operator holds the outer periphery of one end of the insertion tube 3 protruding out of the dam body by hand, inserts the insertion rod 7 into the insertion tube 3, and when the circular arc jacking head 8 contacts the end of the penetrating needle 4 in the insertion tube 3, the circular arc jacking head 8 ejects the penetrating needle 4, and then the ejected penetrating needles 4 are respectively pricked into the inner walls of the cracks.
Preferably, when the threaded protruding portion 9 moves to the inner ring, an operator drives the inner inserting rod 7 to rotate through the rotating plate 10, and as the threaded groove matched with the threaded protruding portion 9 is formed in the inner wall of the inner ring, the threaded protruding portion 9 is movably connected to the inner ring through threads, so that the inner inserting rod 7 can be fixed in the insertion tube 3.
Preferably, the swivel plate 10 is fixed to the top end of the insert rod 7 by a screw.
Preferably, after the insert rod 7 is fixed inside the insertion tube 3 through the threaded protruding portion 9, the rotating plate 10 is detached from the top end of the insert rod 7, and then the portion of the insert rod 7 protruding out of the dam body is cut by the cutting machine, so that the top end of the insert rod 7 does not protrude out of the surface of the dam body, and then step S2 is performed: and pouring concrete into the drilled holes and the cracks of the dam and the drilled holes.
It is noted that relational terms such as first and second, and the like are 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. What is not described in detail in this specification is prior art known to those skilled in the art.
The above description is only of the preferred embodiments of the present application, and is not intended to limit the present application in any way; those skilled in the art will readily appreciate that the present application may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present application are possible in light of the above teachings without departing from the scope of the application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application still fall within the scope of the present application.
Claims (5)
1. The construction method of the dam in the hydraulic and hydroelectric engineering is characterized by comprising the following steps:
step S1: blowing out dead leaves, trunks and dust in the dam cracks through an air blower, drilling holes through an earth drill in an inclined mode, enabling the drilled holes to pass through the cracks after passing through the dam body of the dam, drilling the dam, and placing the reinforcing component into the drilled holes which are obliquely arranged;
step two S2: then pouring concrete into the drill holes penetrated with the reinforcing components and the cracks of the dam;
step three S3: in the process of pouring concrete into the cracks of the dam, the concrete can be evenly distributed in the cracks of the dam body by vibrating while pouring;
step four S4: after the crack is filled, rolling and compacting the concrete poured in the crack;
step five S5: surrounding guardrails around the cracks of the poured concrete until the concrete poured in the cracks of the dam body of the dam is completely solidified;
the reinforcing component comprises a metal sleeve (1), an imbedding pipe (3) is inserted into the metal sleeve (1), a plurality of through holes are uniformly formed in the side wall of the imbedding pipe (3) in a penetrating mode, penetrating needles (4) are inserted into each through hole, a first fixing ring (2) is fixedly sleeved on the periphery of the top end of the metal sleeve (1), a second fixing ring (5) is fixedly sleeved on the periphery of the top end of the imbedding pipe (3), an ejection mechanism is movably inserted into the imbedding pipe (3), an inner ring is fixedly connected to the upper portion of an inner cavity of the imbedding pipe (3), and a thread groove is formed in the inner wall of the inner ring;
the ejection mechanism comprises an inner inserting rod (7), an arc ejector head (8) is arranged at the bottom end of the inner inserting rod (7), a threaded protruding portion (9) which is matched with the threaded groove to work is arranged above the side wall of the inner inserting rod (7), and a rotating plate (10) is connected to the top end of the inner inserting rod (7);
in the first step S1, the second fixing ring (5) at the periphery of the imbedding tube (3) is disassembled, and then the second fixing ring (5) drives the metal sleeve (1) to move, so that the metal sleeve (1) is taken down from the periphery of the imbedding tube (3);
after the metal sleeve (1) is taken down from the periphery of the imbedding pipe (3), an operator holds the periphery of one end of the imbedding pipe (3) protruding out of the dam body in a hand manner, then the interpolation rod (7) is inserted into the imbedding pipe (3), when the circular arc plug (8) contacts with the end part of the penetrating needle (4) positioned in the imbedding pipe (3), the circular arc plug (8) ejects the penetrating needle (4), and then the ejected penetrating needles (4) are respectively pricked into the inner walls of the cracks;
when the threaded protruding portion (9) moves to the inner ring, an operator drives the inner inserting rod (7) to rotate through the rotating plate (10), and as the threaded groove which is matched with the threaded protruding portion (9) to work is formed in the inner wall of the inner ring, the threaded protruding portion (9) is movably connected to the inner ring through threads, and the inner inserting rod (7) can be fixed in the insertion tube (3).
2. The method for constructing the dam in the hydraulic and hydroelectric engineering according to claim 1, wherein the first fixing ring (2) and the second fixing ring (5) are fixedly connected through screws.
3. A method of constructing a dam in hydraulic and hydroelectric engineering according to claim 2, wherein the second fixing ring (5) is also fixed to the outer periphery of the insertion tube (3) by screws.
4. A method of constructing a dam in hydraulic and hydroelectric engineering according to claim 1, wherein the swivel plate (10) is fixed to the top end of the insert rod (7) by means of screws.
5. The construction method of the dam in the hydraulic and hydroelectric engineering according to claim 4, wherein after the inner inserting rod (7) is fixed in the imbedding pipe (3) through the threaded protruding portion (9), the rotating plate (10) is detached from the top end of the inner inserting rod (7), and then the portion, protruding out of the dam body, of the inner inserting rod (7) is cut off through the cutting machine, so that the top end of the inner inserting rod (7) does not protrude out of the surface of the dam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288734.9A CN114703854B (en) | 2022-03-22 | 2022-03-22 | Construction method of dam in water conservancy and hydropower engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288734.9A CN114703854B (en) | 2022-03-22 | 2022-03-22 | Construction method of dam in water conservancy and hydropower engineering |
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| Publication Number | Publication Date |
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| CN114703854A CN114703854A (en) | 2022-07-05 |
| CN114703854B true CN114703854B (en) | 2023-12-08 |
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| CN115012288B (en) * | 2022-07-08 | 2024-05-03 | 杨夏青 | Highway subgrade maintenance road surface cementation of fissures device |
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| CN104060581A (en) * | 2014-07-08 | 2014-09-24 | 中国电建集团中南勘测设计研究院有限公司 | Mixed constructing method of high concrete gravity dam and high concrete gravity dam |
| CN204023501U (en) * | 2014-06-27 | 2014-12-17 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of reinforcement Anti-seeping technology structure for earth and rockfill dam |
| CN105603855A (en) * | 2016-01-05 | 2016-05-25 | 杭州修路人科技有限公司 | Method for repairing concrete pavement cracks |
| CN111395263A (en) * | 2020-03-16 | 2020-07-10 | 中电建十一局工程有限公司 | Leakage treatment method for roller compacted concrete dam body |
| CN111424613A (en) * | 2020-03-16 | 2020-07-17 | 中电建十一局工程有限公司 | Method for treating through cracks of roller compacted concrete dam |
| CN112695701A (en) * | 2020-12-25 | 2021-04-23 | 浙江华东工程咨询有限公司 | Method for treating upstream and downstream through cracks of concrete dam body |
| CN113294189A (en) * | 2021-07-28 | 2021-08-24 | 徐州祥瑞工程机械科技有限公司 | Grouting anchor rod |
-
2022
- 2022-03-22 CN CN202210288734.9A patent/CN114703854B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643657A (en) * | 2013-12-24 | 2014-03-19 | 中国水电十一局郑州科研设计有限公司 | Deep-hole chemical grouting construction method applied to water leakage treatment of hydroelectric dam |
| CN204023501U (en) * | 2014-06-27 | 2014-12-17 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of reinforcement Anti-seeping technology structure for earth and rockfill dam |
| CN104060581A (en) * | 2014-07-08 | 2014-09-24 | 中国电建集团中南勘测设计研究院有限公司 | Mixed constructing method of high concrete gravity dam and high concrete gravity dam |
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| CN111424613A (en) * | 2020-03-16 | 2020-07-17 | 中电建十一局工程有限公司 | Method for treating through cracks of roller compacted concrete dam |
| CN112695701A (en) * | 2020-12-25 | 2021-04-23 | 浙江华东工程咨询有限公司 | Method for treating upstream and downstream through cracks of concrete dam body |
| CN113294189A (en) * | 2021-07-28 | 2021-08-24 | 徐州祥瑞工程机械科技有限公司 | Grouting anchor rod |
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| CN114703854A (en) | 2022-07-05 |
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