CN220953254U - Masonry type dam body concrete structure - Google Patents
Masonry type dam body concrete structure Download PDFInfo
- Publication number
- CN220953254U CN220953254U CN202322157103.6U CN202322157103U CN220953254U CN 220953254 U CN220953254 U CN 220953254U CN 202322157103 U CN202322157103 U CN 202322157103U CN 220953254 U CN220953254 U CN 220953254U
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- dam
- precast concrete
- concrete blocks
- grouting
- dam body
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- 239000004567 concrete Substances 0.000 title claims abstract description 57
- 239000011178 precast concrete Substances 0.000 claims abstract description 32
- 239000011440 grout Substances 0.000 claims abstract description 23
- 238000010276 construction Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000002023 wood Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 8
- 238000009415 formwork Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to the technical field of dam construction of water intaking dams in mountain areas, in particular to a masonry type dam concrete structure. The technical scheme includes that the dam comprises a cushion layer fixedly arranged on a dam base surface, a plurality of precast concrete blocks are built on the upper surface of the cushion layer, grouting joints are arranged at the joints among the precast concrete blocks, and a grout outlet are formed in the precast concrete blocks. The dam body is built by the precast concrete blocks, so that the problem that the dam body is difficult to support and reinforce due to special-shaped curved surface wood templates can be effectively solved, the precast concrete blocks are produced and manufactured in a factory with high precision, the quality of the precast concrete blocks can be ensured, the dam body is constructed by building the concrete blocks, grouting materials are high-performance grouting materials for connection, which are produced by professional companies, are used for grouting, the material waste in the construction process can be reduced, and meanwhile, the generation of construction waste is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of dam construction of water intaking dams in mountain areas, in particular to a masonry type dam concrete structure.
Background
In order to ensure that the pipeline water delivery meets the requirements in the mountain pipeline construction process, a small water intake dam is usually built at a water intake source point to intercept river water flow so as to raise the water level or regulate the flow, and the pipeline water delivery requirements are stabilized. The concrete mass used for constructing the dam body is large, the dam body pouring requirement is high, the special-shaped curved surface of the running water surface is difficult to construct, the construction site is located in a rainy mountain area and far away from the urban area, commercial concrete cannot reach, the on-site self-mixing concrete mass control is difficult to realize, therefore, in the construction process, the rubble concrete is generally used for pouring the water intake dam body, and the traditional construction process has the following defects:
1. the dam body of the dam is provided with more special-shaped curved surfaces, the formwork is difficult to support and reinforce, and the appearance quality of the dam body is poor after pouring;
2. concrete is stirred on site in a rainy mountain area, casting quality is difficult to control, and quality problems such as slurry leakage, honeycomb pitting surface, crack cracking and the like are easy to occur;
3. The rubble concrete dam body cannot be poured once to finish layered and block pouring, and the formwork is detached and supported by the poured concrete after each pouring is finished, so that the construction time is long;
4. The on-site mixing of the concrete construction materials is difficult to control, the loss rate is high, and the generated construction wastes cannot be treated.
Disclosure of utility model
The utility model aims to solve the problems that in the background technology, a rubble concrete dam body is poured in a mountain area, the quality of on-site self-mixing concrete is difficult to control, and the dam body is difficult to support and reinforce by a special-shaped face template, so that slurry leakage, honeycomb pitting, cracks, poor appearance quality and the like of the dam body occur, and the loss rate of materials used in the dam body construction is high.
The technical scheme of the utility model is as follows: the utility model provides a build formula dam body concrete structure by laying bricks or stones, includes the fixed bed course that sets up on the dam body basal plane, the upper surface of bed course is built by laying bricks or stones and is had a plurality of precast concrete piece, the junction is provided with the grout joint between the precast concrete piece, grout outlet and grout mouth have been seted up on the precast concrete piece.
Optionally, the side walls of the precast concrete segments are provided with grooves.
Optionally, the wall surface of the precast concrete segment side wall groove is set to 45 degrees.
Optionally, the aperture of the grout outlet and the aperture of the grouting opening are between 10cm and 30 cm.
Optionally, the cushion layer is a C20 concrete cushion layer.
Optionally, the grout outlet and the grouting opening are arranged on the same vertical plane.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. The prefabricated concrete blocks can be manufactured and processed in a centralized manner in a factory, so that the quality of the prefabricated concrete blocks is ensured, and the problem that a wood formwork of the prefabricated concrete blocks is difficult to support a dam body special-shaped curved surface can be solved by processing the special-shaped curved surface concrete blocks in the factory;
2. The precast concrete block dam body can ensure the concrete strength and quality requirements thereof, and avoid the quality problems of concrete slurry leakage, honeycomb pitting surface, cracks and the like;
3. The use of templates can be canceled through a precast concrete block masonry mode, so that the working efficiency is improved, and the construction period is shortened;
4. by adopting the precast concrete blocks, the material waste in the construction process can be reduced, the loss rate is effectively reduced, and meanwhile, the generation of construction waste is greatly reduced.
Drawings
FIG. 1 shows a schematic diagram of a concrete structure of a masonry dam of the present utility model;
FIG. 2 is a schematic view of precast concrete segments of a concrete structure of a masonry dam of the present utility model;
FIG. 3 shows a schematic view of the partial structure of the grout outlet and the grouting opening of the concrete structure of the masonry dam body.
Reference numerals: 1. a cushion layer; 2. prefabricating concrete blocks; 3. grouting the seam; 4. a slurry outlet; 5. and (5) a grouting port.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that 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, and that a schematic representation of such terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
As shown in fig. 1 to 3, the masonry type dam concrete structure provided by the utility model comprises a cushion layer 1 fixedly arranged on a dam base surface, wherein the cushion layer 1 is paved according to specific construction, a plurality of precast concrete blocks 2 are built on the upper surface of the cushion layer 1, the precast concrete blocks 2 are built in layers, grouting gaps 3 are formed at the connecting positions of the precast concrete blocks 2 and are used for filling and reinforcing cracks and gaps in the dam, the overall strength and stability of the dam are improved, the impermeability is improved, the safety of the dam is ensured, a grout outlet 4 and a grout outlet 5 are formed in the precast concrete blocks 2, the grout outlet 4 is used for injecting grouting materials to fill gaps and cracks in the dam, the compactness and stability of the dam are improved, the grout outlet 5 is used for discharging excessive grouting materials in the concrete dam, and the grouting material content of the dam is ensured to be proper, and the quality and stability of the dam are improved.
The side walls of the precast concrete segments 2 are provided with grooves, which can increase the surface area of the precast concrete segments 2 and provide better cohesiveness, thereby increasing the stability and durability of the overall structure.
The wall surface of the side wall groove of the precast concrete segment 2 is set to 45 degrees, so that stress can be uniformly dispersed, the possibility of stress concentration is reduced, and the bearing capacity is increased.
The aperture of the grout outlet 4 and the aperture of the grouting opening 5 are between 10cm and 30cm, so that the grouting opening is easier to fill gaps in the dam body when the dam body is poured, pouring quality is improved, the flow speed of concrete is increased, the problem of uneven pouring or blockage caused by too fast or too slow flow is avoided, the compactness of the concrete can be increased, the strength and stability of the dam body are improved, air bubbles and impurities in the concrete are removed, and the quality and durability of the dam body are improved.
The cushion layer 1 is a C20 concrete cushion layer, and the cushion layer of the dam by taking C20 concrete has the following advantages:
the strength is high: the C20 concrete has higher strength, can bear larger pressure and load, and ensures the stability and safety of the dykes and dams. The durability is good: c20 concrete has better durability, can resist factors such as long-term water erosion, climate change, chemical corrosion and the like, and prolongs the service life of the dykes and dams.
The compactness is good: c20 concrete can be better contacted with the foundation in the construction process to form tight combination, reduce the possibility of moisture penetration and soil loosening, and improve the stability of the dam.
The economy is high: compared with other materials, the C20 concrete has relatively low cost and longer service life, and can provide better economic benefit.
It should be noted that proper concrete grade and formulation, as well as reasonable construction process and quality control, are critical to ensure the quality and performance of the C20 concrete cushion.
The grout outlet 4 and the grout outlet 5 are arranged on the same vertical plane, and specifically:
The construction is convenient: the grout outlet 4 and the grout outlet 5 are arranged on the same vertical surface, so that the construction process can be simplified, constructors only need to operate at the same position, and the grouting devices do not need to move back and forth at different positions, so that time and energy are saved.
The construction efficiency is improved: the arrangement on the same vertical surface can reduce errors and adjustment in the construction process, constructors can control grouting and slurry outlet positions more accurately, and construction efficiency is improved.
The construction quality is improved: the arrangement on the same vertical surface can reduce the problems of slurry leakage or blockage and the like in the construction process, the distance between the grouting opening 5 and the slurry outlet 4 is shorter, the flow and filling of slurry can be better controlled, and the construction quality is improved.
The method is used for replacing the traditional mode of concrete and rubble pouring of the dam body by the masonry type dam body concrete structure, the precast concrete blocks 2 are manufactured in batches in a factory according to the size, shape and strength requirements of a design drawing, the precast concrete blocks 2 are used for dam body masonry construction, the concrete strength and the quality requirements of the precast concrete blocks 2 can be guaranteed by processing the precast concrete blocks 2 in the factory, the masonry type dam body concrete structure is good in quality and good in appearance molding, and the problems that the special-shaped curved surface of the dam body is difficult to pour and mold, the self-mixing concrete quality is difficult to control and the like are solved.
The size and the shape of the design drawing of the water intake dam are approximately known, the prefabricated concrete blocks 2 are processed through a factory, the size, the shape and the number of the prefabricated concrete blocks 2 are respectively given to the positions of the special-shaped curved surfaces on the front side and the rear side of the dam body according to the size of the drawing, the uniform size and the same number can be given to the regular position in the middle of the dam body, the factory carries out batch processing through the given cushion layer 1, the given shape and the given concrete strength, and the prefabricated concrete blocks 2 which are processed are numbered according to requirements.
After the concrete blocks are transported to the site, after the construction of the cushion layer 1 is completed, a masonry worker can perform masonry construction from bottom to top according to the drawing according to the numbered precast concrete blocks 2, grouting construction is performed once for each layer of masonry, and grouting materials adopt high-performance grouting materials for connection, which are produced by professional companies.
When grouting, the air compressor breather pipe is connected through the grouting barrel, the grouting pipe is inserted into the grouting opening 5, then the air compressor is pressurized, grouting is performed by adopting a low-pressure grouting process, after all the grout outlets 4 are used for discharging grout and sealing the grouting pipe by using the rubber plug, the pressure of grouting equipment is reduced, pressure maintaining is performed, and after the pressure maintaining, the grouting pipe is pulled out and the grout outlets 4 are timely sealed by using the rubber plug.
The above preferred embodiments of the utility model are provided only to help illustrate the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. A masonry type dam body concrete structure is characterized in that: the dam body foundation surface grouting device comprises a cushion layer (1) fixedly arranged on a dam body foundation surface, a plurality of precast concrete blocks (2) are built on the upper surface of the cushion layer (1), grouting joints (3) are arranged at the joints between the precast concrete blocks (2), and a grout outlet (4) and a grout outlet (5) are formed in the precast concrete blocks (2).
2. A masonry dam concrete structure according to claim 1, wherein: the side walls of the precast concrete blocks (2) are provided with grooves.
3. A masonry dam concrete structure according to claim 1, wherein: the wall surface of the side wall groove of the precast concrete block (2) is set to be 45 degrees.
4. A masonry dam concrete structure according to claim 1, wherein: the aperture of the grout outlet (4) and the grouting opening (5) is between 10cm and 30 cm.
5. A masonry dam concrete structure according to claim 1, wherein: the cushion layer (1) is a C20 concrete cushion layer.
6. A masonry dam concrete structure according to claim 1, wherein: the grout outlet (4) and the grouting opening (5) are arranged on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157103.6U CN220953254U (en) | 2023-08-11 | 2023-08-11 | Masonry type dam body concrete structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157103.6U CN220953254U (en) | 2023-08-11 | 2023-08-11 | Masonry type dam body concrete structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220953254U true CN220953254U (en) | 2024-05-14 |
Family
ID=91014486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322157103.6U Active CN220953254U (en) | 2023-08-11 | 2023-08-11 | Masonry type dam body concrete structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220953254U (en) |
-
2023
- 2023-08-11 CN CN202322157103.6U patent/CN220953254U/en active Active
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