CN219671254U - Rail sliding panel structure suitable for concrete panel rock-fill dam - Google Patents
Rail sliding panel structure suitable for concrete panel rock-fill dam Download PDFInfo
- Publication number
- CN219671254U CN219671254U CN202320640388.6U CN202320640388U CN219671254U CN 219671254 U CN219671254 U CN 219671254U CN 202320640388 U CN202320640388 U CN 202320640388U CN 219671254 U CN219671254 U CN 219671254U
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- concrete
- panel
- panel structure
- sliding panel
- precast concrete
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- 239000004567 concrete Substances 0.000 title claims abstract description 29
- 239000011178 precast concrete Substances 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 23
- 241001669679 Eleotris Species 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a rail sliding panel structure suitable for a concrete panel rock-fill dam, which comprises a cushion region paved above a main rock-fill region, wherein a reinforced concrete sleeper is arranged above the cushion region, steel rails are arranged on the reinforced concrete sleeper, and the steel rails are in sliding fit with the bottoms of a plurality of precast concrete panels; the utility model is convenient for maintenance, the precast concrete panel has assemblability, and the damaged panel can be quickly replaced.
Description
Technical Field
The utility model relates to the field of hydraulic and hydroelectric engineering construction, in particular to a track sliding panel structure suitable for a concrete panel rock-fill dam.
Background
At present, a plurality of methods for preventing the panel from cracking are provided, and the panel from cracking is mainly reduced in the aspects of panel structure, raw materials, construction process optimization and the like, such as: the reinforced concrete slab is characterized by comprising a steel membrane panel, a steel plate beam arranged below the panel, a flexible panel structure, a curved surface modeling panel, a self-healing material layer arranged between a cushion layer and the panel, a reinforced impermeable layer formed by spraying liquid rubber on the panel, a prefabricated panel, the use of cement by blending fly ash, and the like. The conventional concrete face rockfill dam face is usually formed by cast-in-situ concrete, but the process is complicated, the construction period is long, the construction quality is influenced by the surrounding environment and meteorological conditions, the possibility of face void and local cracking exists in the prior art, and the quick treatment means for the cracked face is relatively lacking.
Disclosure of Invention
The utility model aims to overcome the defects and provide a track sliding panel structure suitable for a concrete panel rock-fill dam so as to solve the problems in the prior art.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a be adapted to track slip panel structure of concrete panel rock-fill dam, includes the bed course district of shop in main rock-fill district top, the bed course district top is equipped with reinforced concrete sleeper, be equipped with the rail on the reinforced concrete sleeper, rail and polylith precast concrete panel bottom sliding fit.
Preferably, the main rock-fill area and the bedding area are also provided with transition areas.
Preferably, the bottom of the reinforced concrete sleeper is fixedly connected with the top of the concrete bearing pier, and the bottom of the concrete bearing pier extends into the main rockfill area.
Preferably, the steel rail is of an I-shaped steel structure, and a T-shaped groove which is anastomotic with the steel rail is formed in the lower surface of the precast concrete panel.
Preferably, the rail bottom is connected to the reinforced concrete sleeper by bolts.
Preferably, two steel rails are arranged below each precast concrete panel in parallel and distributed on two sides of the reinforced concrete sleeper.
Preferably, a water stop material is arranged at the gap between two adjacent precast concrete panels.
The utility model has the beneficial effects that:
1. the utility model is convenient for maintenance, the precast concrete panel has assemblability, and the damaged panel can be quickly replaced.
2. The precast concrete panel can be precast and formed in a factory, and uneven settlement and non-structural crack generation of the traditional panel are prevented.
3. The prefabricated concrete panel unit assembly can be carried out simultaneously with the filling of the stacking material, links such as on-site concrete pouring and maintenance are omitted, and the construction period can be effectively shortened.
4. According to the utility model, the panel load of the precast concrete panel is directly transmitted to the vicinity of the main rock-fill area through the concrete bearing pier, so that the stress of the cushion layer area and the transition area is reduced, and the dam settlement is reduced.
Drawings
FIG. 1 is a schematic view of a rail sliding deck construction adapted to a concrete faced rockfill dam;
FIG. 2 is a schematic side view of the precast concrete deck of FIG. 1 connected to a track;
fig. 3 is a schematic plan view of the installation of a plurality of precast concrete panels on the surface of a rock-fill dam of fig. 1.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 3, a rail sliding panel structure suitable for a concrete panel rock-fill dam comprises a cushion region 4 laid above a main rock-fill region 9, wherein a reinforced concrete sleeper 6 is arranged above the cushion region 4, a steel rail 3 is arranged on the reinforced concrete sleeper 6, and the steel rail 3 is in sliding fit with the bottoms of a plurality of precast concrete panels 2.
Preferably, the main rockfill area 9 and the bedding area 4 are also provided with a transition area 5.
Preferably, the bottom of the reinforced concrete sleeper 6 is fixedly connected with the top of the concrete bearing pier 7, and the bottom of the concrete bearing pier 7 extends into the main rockfill area 9. The panel load of the precast concrete panel 2 can be directly transmitted to the vicinity of the main rockfill area 9 through the concrete bearing piers 7, so that the stress of the cushion area 4 and the transition area 5 is reduced, and the phenomenon of dam settlement is reduced.
Preferably, the steel rail 3 is of an I-shaped steel structure, and a T-shaped groove which is matched with the steel rail 3 is formed in the lower surface of the precast concrete panel 2. By means of the sliding fit structure, the sliding process of the precast concrete deck 2 can be smoother and more stable, and in actual production, the T-shaped groove in the precast concrete deck 2 is formed during prefabrication, so that production steps are simplified.
Preferably, the bottom of the rail 3 is connected to a reinforced concrete sleeper 6 by bolts 1.
Preferably, two steel rails 3 are arranged below each precast concrete panel 2 in parallel, and the two steel rails 3 are distributed on two sides of the reinforced concrete sleeper 6.
Preferably, a water stop material is arranged at the gap between two adjacent precast concrete panels 2. In this embodiment, the water-stopping material may be emulsified asphalt, so that the adhesion between the precast concrete panels 2 is ensured, and the precast concrete panels 2 can also be tightly adhered to the underlying cushion region 4.
The working principle of the embodiment is as follows:
s1, prefabricating a precast concrete panel 2 by a manufacturer, wherein a concave part which is matched with a steel rail 3 with a specific shape is arranged in the precast concrete panel 2, and a rubber lining can be arranged in the precast concrete panel 2, so that the joint degree of the panel, the steel rail 3 and a cushion region 4 is increased.
S2, the steel rail 3 is semi-buried in the cushion region 4, a more uniform reinforced concrete sleeper 6 is arranged below the steel rail 3, the lower portion of the rail 3 is fixed with the reinforced concrete sleeper 6 through the bolt 1, the pressure of the steel rail 3 to the cushion region 4 is reduced through the reinforced concrete sleeper 6, and the steel rail 3 is prevented from sinking and deforming.
S3, pouring 2 concrete bearing piers 7 on each 3 precast concrete panels 2 at intervals, wherein reinforced concrete sleeper 6 is arranged on the concrete bearing piers 7 and used for bearing the steel rail 3, and panel load of the precast concrete panels 2 is directly transferred to the main rockfill area 9.
S4, the bottom of the precast concrete panel 2 is parallel to the plane of the cushion region 4, so that other parts of the panel can be attached to the surface of the cushion region 4, and emulsified asphalt can be poured at the joint of the panels to ensure that each panel is tightly attached to the cushion region 4.
S5, a steel rail 3 is not arranged at the top starting point, the precast concrete panels 2 are laid in a sliding mode along the steel rail 3 from the top starting point, the precast concrete panels 2 are pushed to slide downwards after entering the steel rail 3, and water stopping materials are arranged on transverse joints and longitudinal joints of two adjacent precast concrete panels 2; when one precast concrete deck 2 enters the rail 3 to slide to the bottom, the sliding laying of the other precast concrete deck 2 is started.
S6, presetting a precast concrete panel 2 at the top starting point, crushing the damaged precast concrete panel 2 when the precast concrete panel 2 on the subsequent guide rail is damaged, sliding the preset precast concrete panel 2 downwards, and resetting water stopping materials to finish panel replacement.
The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (7)
1. The utility model provides a track slip panel structure suitable for concrete face rockfill dam, includes to lay in cushion district (4) in main rockfill district (9) top, its characterized in that: the reinforced concrete sleeper is characterized in that a reinforced concrete sleeper (6) is arranged above the bedding area (4), a steel rail (3) is arranged on the reinforced concrete sleeper (6), and the steel rail (3) is in sliding fit with the bottoms of the precast concrete panels (2).
2. A track sliding panel structure adapted to a concrete faced rockfill dam according to claim 1, wherein: the main rock-fill area (9) and the cushion area (4) are also provided with a transition area (5).
3. A track sliding panel structure adapted to a concrete faced rockfill dam according to claim 1, wherein: the bottom of the reinforced concrete sleeper (6) is fixedly connected with the top of the concrete bearing pier (7), and the bottom of the concrete bearing pier (7) stretches into the main rockfill area (9).
4. A track sliding panel structure adapted to a concrete faced rockfill dam according to claim 1, wherein: the steel rail (3) is of an I-shaped steel structure, and a T-shaped groove which is matched with the steel rail (3) is formed in the lower surface of the precast concrete panel (2).
5. A track sliding panel structure adapted to a concrete faced rockfill dam according to claim 1, wherein: the bottom of the steel rail (3) is connected with a reinforced concrete sleeper (6) through a bolt (1).
6. A track sliding panel structure adapted to a concrete faced rockfill dam according to claim 1, wherein: two steel rails (3) are arranged below each precast concrete panel (2) in parallel, and the two steel rails (3) are distributed on two sides of the reinforced concrete sleeper (6).
7. A track sliding panel structure adapted to a concrete faced rockfill dam according to claim 1, wherein: and a water stopping material is arranged at the gap between two adjacent precast concrete panels (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640388.6U CN219671254U (en) | 2023-03-28 | 2023-03-28 | Rail sliding panel structure suitable for concrete panel rock-fill dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640388.6U CN219671254U (en) | 2023-03-28 | 2023-03-28 | Rail sliding panel structure suitable for concrete panel rock-fill dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219671254U true CN219671254U (en) | 2023-09-12 |
Family
ID=87923896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320640388.6U Active CN219671254U (en) | 2023-03-28 | 2023-03-28 | Rail sliding panel structure suitable for concrete panel rock-fill dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219671254U (en) |
-
2023
- 2023-03-28 CN CN202320640388.6U patent/CN219671254U/en active Active
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