CN220977926U - Pumped storage dam crest structure - Google Patents
Pumped storage dam crest structure Download PDFInfo
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- CN220977926U CN220977926U CN202322496940.1U CN202322496940U CN220977926U CN 220977926 U CN220977926 U CN 220977926U CN 202322496940 U CN202322496940 U CN 202322496940U CN 220977926 U CN220977926 U CN 220977926U
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Abstract
The application provides a pumped storage dam crest structure, which relates to the technical field of hydraulic engineering and comprises a dam body, a wave wall, an upstream slope protection, a retaining wall and a downstream slope protection; upstream revetments are arranged on the upstream side of the dam body, a wave wall is poured between the dam body and the upstream revetments, downstream revetments are arranged on the downstream side of the dam body, and a retaining wall is poured between the dam body and the downstream revetments; a planting groove is formed in the retaining wall; the upstream slope protection is provided with an upstream protection structure, the top surface of the dam body is provided with a top surface protection structure, the downstream slope protection is provided with a downstream protection structure, and the downstream protection structure comprises a concrete layer and a vegetation layer; the concrete layer sets up the domatic top of low reaches bank protection, and the vegetation layer sets up in the top of concrete layer. The anti-seepage effect of the dam crest is improved by arranging the upstream protective structure, the top surface protective structure and the downstream protective structure.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a pumped storage dam crest structure.
Background
The leakage of the reservoir dam can affect the constituent particles of the dam, particularly the clay particles of the earth-rock dam can be displaced, the composition and the structure are changed, under the flushing of large water flow, the osmotic deformation or damage is formed, the strength of the dam is reduced, uneven deformation and crack generation occur, even the dangers of the falling, landslide and dam collapse of the dam occur, and damage is caused to farmlands around the dam.
In the prior art, a split grouting method and a relief well method are generally adopted for the protection measure of a dam body. The method comprises the steps of forming a slurry, and grouting, wherein the slurry is formed by a slurry grouting method, wherein the slurry is formed by slurry, and the slurry is formed by slurry, so that the slurry is unstable and the seepage prevention effect is influenced; the relief well method is limited by the well construction depth and the water permeability of the well pipe, so that the effective radius of drainage relief is smaller, and drainage aggravates waterlogging when the effective radius is Gao Hong.
Disclosure of utility model
The utility model aims to provide a pumped storage dam crest structure which is used for solving the problems that an anti-seepage structure is not firm and water drainage aggravates waterlogging of a dam body when the anti-seepage structure is at Gao Hong positions in the prior art.
Based on the above purpose, the pumped storage dam crest structure provided by the application comprises a dam body, a wave wall, an upstream slope protection, a retaining wall and a downstream slope protection; the upstream slope protection is arranged on the upstream of the dam body, the wave wall is poured between the dam body and the upstream slope protection, the downstream slope protection is arranged on the downstream of the dam body, and the retaining wall is poured between the dam body and the downstream slope protection; a planting groove is formed in the retaining wall;
The upstream slope protection is provided with an upstream protection structure for enhancing the seepage-proofing performance of the upstream slope protection, the top surface of the dam body is provided with a top surface protection structure for enhancing the seepage-proofing performance of the top surface of the dam body, and the downstream slope protection is provided with a downstream protection structure for enhancing the seepage-proofing performance of the downstream slope protection;
The downstream protective structure comprises a concrete layer and a vegetation layer; the concrete layer is arranged above the slope of the downstream slope protection, and the vegetation layer is arranged above the concrete layer; the concrete layer comprises concrete frame beams and concrete blocks; the concrete lattice beam is anchored above the slope of the downstream slope protection, and the concrete blocks are embedded in the concrete lattice beam; the vegetation layer is arranged in the concrete block.
Further, the upstream protective structure comprises a transition layer, a cushion layer, a cementing layer, a grid layer, an anti-seepage panel and a spray-coating quick-setting rubber asphalt waterproof coating waterproof layer;
The transition layer shop in the domatic of upstream bank protection, the bed course shop in the top of transition layer, the glued layer shop in the top of bed course, the net layer shop in the top of glued layer, the prevention of seepage panel shop in the top of net layer, spraying quick setting rubber asphalt waterproof coating waterproof layer set up in the top of prevention of seepage panel.
Further, a top surface protection structure is arranged on the top surface of the dam body, and comprises a gravel layer, another spraying quick setting rubber asphalt waterproof coating waterproof layer and a concrete layer; the gravel layer is laid on the top surface of the dam body, the other spraying quick setting rubber asphalt waterproof coating waterproof layer is arranged above the gravel layer, and the concrete layer is laid on the other spraying quick setting rubber asphalt waterproof coating waterproof layer.
Further, the crushed stone layer comprises a graded crushed stone layer and a cement stabilized crushed stone layer; the graded broken stone layer is laid on the top surface of the dam body, and the cement stabilizing broken stone layer is laid above the graded broken stone layer;
The other waterproof layer of the spray-coated quick-setting rubber asphalt waterproof coating is arranged above the cement stable crushed stone layer;
The concrete layer comprises a medium-grain asphalt concrete layer and a fine-grain asphalt concrete layer; the middle particle type asphalt concrete layer is laid above the other spraying quick setting rubber asphalt waterproof coating waterproof layer, and the fine particle type asphalt concrete layer is laid above the middle particle type asphalt concrete layer.
Further, the height of the wave wall is higher than the top surface of the dam body, the bottom of the wave wall is lower than the bottom surface of the dam body, and transition materials are filled between the bottom of the wave wall and the bottom surface of the dam body.
Further, the shrinkage joint of the connection part of the wave wall and the upstream slope protection is sealed by asphalt mastic.
Further, the retaining wall comprises a first side wall, a bottom plate and a second side wall; the first side wall is poured on the other side of the dam body, the second side wall is poured on one side, close to the dam body, of the downstream slope protection, and the bottom plate is poured between the first side wall and the second side wall; and the planting groove is formed among the first side wall, the bottom plate and the second side wall and is used for planting turf.
Further, one side of the retaining wall, which is close to the downstream slope protection, is connected with a cable bridge, and the cable bridge is used for laying cables.
Further, the top of the retaining wall is connected with a protective fence; the top of wave wall is provided with the street lamp pole, be provided with the street lamp on the street lamp pole.
Further, an illumination pipeline is embedded in the top surface of the dam body and used for installing a cable connected with the street lamp.
By adopting the technical scheme, the pumped storage dam crest structure provided by the application has the following technical effects compared with the prior art:
The top surface of dam body is equipped with top surface protective structure, has pour the retaining wall between dam body and the downstream bank protection, and the inside that is located the retaining wall sets up the planting groove, and the inside of planting groove is provided with the turf. The water and soil loss can be effectively prevented through the arrangement of the planting grooves, and the turf can absorb part of moisture to strengthen the seepage-proofing effect of the top surface of the dam body;
The upstream slope protection is provided with an upstream protection structure for enhancing the seepage-proofing performance of the upstream slope protection; the downstream revetment is provided with a downstream protective structure for enhancing the seepage-proofing performance of the downstream revetment;
The downstream protection structure arranged on the downstream slope protection comprises a concrete layer and a vegetation layer; the concrete layer is laid on the slope surface of the downstream slope protection, and the vegetation layer is laid on the concrete layer. Wherein the concrete layer comprises a concrete frame beam and a concrete block; concrete blocks are embedded in the concrete frame beams, so that the strength of the concrete layer is further improved; the vegetation layer sets up in the concrete block, and the vegetation layer can absorb partial moisture, effectively prevents the inside outside infiltration of low reaches bank protection. The top surface protective structure is directly paved on the top surface of the dam body, the upstream protective structure is paved on the upstream slope protection, the downstream protective structure is paved on the downstream slope protection, the construction is simple, the seepage prevention structure is firm, and the phenomenon of waterlogging of the dam body can not be generated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pumped storage dam crest structure provided by an embodiment of the utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partial enlarged view at B of fig. 1.
Icon: 1-dam body, 2-wave wall, 3-upstream slope protection, 4-retaining wall, 41-first side wall, 42-bottom plate, 43-second side wall, 5-downstream slope protection, 6-planting groove, 7-downstream protection structure, 71-concrete layer, 711-concrete frame beam, 712-concrete block, 72-vegetation layer, 8-upstream protection structure, 81-transition layer, 82-cushion layer, 83-cementing layer, 84-grid layer, 85-impermeable panel, 86-spray quick setting rubber asphalt waterproof coating waterproof layer, 9-top protection structure, 91-gravel layer, 911-graded gravel layer, 912-cement stable gravel layer, 92-concrete layer, 921-medium particle asphalt concrete layer, 922-fine particle asphalt concrete layer, 93-another spray quick setting rubber asphalt waterproof coating waterproof layer; 10-cable bridge, 11-protective fence, 12-street lamp post and 13-street lamp.
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. 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.
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.
As shown in fig. 1, 2 and 3, the embodiment of the application provides a pumped storage dam crest structure, which comprises a dam body 1, a wave wall 2, an upstream slope protection 3, a retaining wall 4 and a downstream slope protection 5; upstream slope protection 3 is arranged on the upstream of the dam body 1, a wave wall 2 is poured between the dam body 1 and the upstream slope protection 3, downstream slope protection 5 is arranged on the downstream of the dam body 1, and a retaining wall 4 is poured between the dam body 1 and the downstream slope protection 5; a planting groove 6 is formed in the retaining wall 4;
The downstream slope protection 5 is provided with a downstream protection structure 7; the downstream guard structure 7 comprises a concrete layer 71 and a vegetation layer 72; the concrete layer 71 is paved on the slope of the downstream slope protection 7, and the vegetation layer 72 is arranged above the concrete layer 71;
The concrete layer 71 includes concrete frame beams 711 and concrete blocks 712; the concrete frame beams 711 are anchored to the slope of the downstream slope protection 5, and the concrete frame beams 711 are paved on the slope of the whole downstream slope protection 5, and concrete blocks 712 are embedded in the concrete frame beams 711; the vegetation layer 72 is disposed in the concrete block 712.
The concrete frame grid beam 711 adopts the size that the length is multiplied by the width is 300cm multiplied by 300cm, the concrete frame grid beam 711 is used for strengthening the slope surface strength of the downstream slope protection 5, the concrete blocks 712 are embedded into the concrete frame grid beam 711 and are used for strengthening the strength of the concrete frame grid beam 711, vegetation in the vegetation layer 72 is fixed, and the seepage prevention capability of the slope surface of the downstream slope protection 5 is improved. The vegetation layer 72 effectively prevents water and soil loss and improves the seepage-proofing effect of the downstream slope protection 5.
As a preferable technical scheme, the upstream slope protection 3 is provided with an upstream protection structure 8, and the upstream protection structure 8 comprises a transition layer 81, a cushion layer 82, a bonding layer 83, a grid layer 84, an anti-seepage panel 85 and a spraying quick setting rubber asphalt waterproof coating waterproof layer 86;
The transition layer 81 is laid on the slope of the upstream slope protection 3, the cushion layer 82 is laid on the transition layer 81, the adhesive layer 83 is laid on the cushion layer 82, the grid layer 84 is laid on the adhesive layer 83, the anti-seepage panel 85 is laid on the grid layer 84, and the spray-coating quick setting rubber asphalt waterproof coating waterproof layer 86 is laid on the anti-seepage panel 85.
Wherein, the transition layer 81 adopts dolomite after being processed and breezed, and the horizontal width of the transition layer 81 is 350-450cm.
The bedding 122 is made of slightly weathered dolomite, and the horizontal width of the bedding 82 is 250-350cm.
The adhesive layer 83 is formed by rolling asphalt concrete, and the thickness of the adhesive layer 83 is 8-12cm.
The mesh layer 84 adopts polyester mesh, and the mesh layer 84 is laid above the adhesive layer 83 for locally reinforcing the adhesive layer 83 and preventing the adhesive layer 83 from cracking.
The impermeable panel 85 is formed by rolling asphalt concrete and has a thickness of 8-12cm.
The sprayed quick-setting rubber asphalt waterproof coating 86 is coated on the surface of the impermeable panel 85, and is used for sealing the surface of the impermeable panel 85, enhancing the impermeable effect of the impermeable panel 85, and the thickness of the sprayed quick-setting rubber asphalt waterproof coating 86 is 0.1-0.3cm.
As a preferable technical scheme, the top surface of the dam body 1 is provided with a top surface protection structure 9, and the top surface protection structure 9 comprises a gravel layer 91, a concrete layer 92 and another spraying quick setting rubber asphalt waterproof coating waterproof layer 93; the gravel layer 91 is laid on the top surface of the dam body 1, another spraying quick setting rubber asphalt waterproof coating waterproof layer 93 is arranged above the gravel layer 91, and the concrete layer 92 is laid above another spraying quick setting rubber asphalt waterproof coating waterproof layer 93.
As a preferred embodiment, the crushed stone layer 91 includes a graded crushed stone layer 911 and a cement stabilized crushed stone layer 912; the graded broken stone layer 911 is paved on the top surface of the dam body 1, and the cement stabilization broken stone layer 912 is paved above the graded broken stone layer 911;
The other spray-coated rapid hardening rubber asphalt waterproof coating waterproof layer 93 is arranged above the cement stabilized gravel layer 912;
Concrete layer 92 includes a medium grain asphalt concrete layer 921 and a fine grain asphalt concrete layer 922; the medium-sized asphalt concrete layer 921 is laid over another spray-coated quick-setting rubber asphalt waterproof paint waterproof layer 93, and the fine-sized asphalt concrete layer 922 is laid over the medium-sized asphalt concrete layer 921.
Wherein the thickness of the graded broken stone layer 911 is 20-30cm, the graded broken stone layer 911 adopts graded broken stone which is a mixture composed of aggregates with different sizes. The thickness of the cement stabilized macadam 912 is 25-35cm, the cement stabilized macadam 912 is formed by paving and compacting graded macadam serving as aggregate by adopting a certain amount of cementing materials and enough mortar volume to fill gaps of the aggregate according to the embedded extrusion principle.
Asphalt concrete is classified according to particle size of asphalt mixture aggregate, and is classified into medium-sized asphalt concrete, fine-sized asphalt concrete and coarse-sized asphalt concrete. In this embodiment, the medium asphalt concrete 921 is medium asphalt concrete among asphalt concrete, and the fine asphalt concrete 922 in this embodiment is fine asphalt concrete among asphalt concrete. The thickness of the medium-sized asphalt concrete layer 921 is 4-8cm, and the thickness of the fine-sized asphalt concrete layer 922 is 2-6cm.
In addition, it should be noted that, the spraying quick-setting rubber asphalt waterproof coating waterproof layer in this embodiment adopts spraying quick-setting rubber asphalt waterproof coating, and the spraying quick-setting rubber asphalt waterproof coating layer in this embodiment may adopt a spraying quick-setting rubber asphalt waterproof coating disclosed in patent number CN 201711183357.8; the spray-coating quick-setting rubber asphalt waterproof paint comprises a component A and a component B; the component A comprises anionic hard emulsified asphalt and polymer latex; the component B comprises a coagulant, has the characteristics of high tensile strength, good heat resistance and low-temperature flexibility, and is suitable for high-temperature construction environment and low-temperature environment; and the adhesive property between the waterproof paint layer and the construction base surface is ensured.
As a preferable technical scheme, the wave wall 2 is poured on one side of the dam body 1, the height of the wave wall 2 is higher than the top surface of the dam body 1, and the bottom of the wave wall 2 is lower than the bottom surface of the dam body 1, so that transition materials are arranged between the bottom of the wave wall 2 and the bottom surface of the dam body 1, and the transition materials can be selected from dolomite which is subjected to micro-weathering after being processed and used for reinforcing the strength between the wave wall 2 and the dam body 1.
As a preferable technical scheme, the shrinkage joint of the junction of the wave wall 2 and the upstream slope protection 3 is sealed by asphalt mastic.
As a preferred embodiment, the retaining wall 4 includes a first side wall 41, a bottom plate 42 and a second side wall 43; the first side wall 41 is poured on the side face, close to the downstream slope, of the dam body 1, and the second side wall 43 is poured on the side, close to the dam body 1, of the downstream slope 5; a bottom plate 42 is cast between the first side wall 41 and the second side wall 43, and the first side wall 41, the bottom plate 42 and the second side wall 43 are connected to form a structure with a U-shaped groove, and the groove is used as a planting groove 6 for planting turf.
The first side wall 41 is vertically poured on one side of the dam body 1, and the first side wall 41 is higher than the dam body 1 and serves as a protective wall at the top of the dam body 1; the second side wall 43 is vertically poured on one side of the downstream slope protection, which is close to the dam body 1. The bottom surface of the bottom plate 42 is lower than the bottom surface of the dam 1 so as to increase the depth of the planting groove 6 and increase the vegetation volume.
As a preferred solution, a cable bridge 10 is connected to the side of the retaining wall 4 close to the downstream slope protection 5, and the cable bridge 10 is used for laying cables.
As a preferable technical scheme, the top of the retaining wall 4 is connected with a protective fence 11; the top of the wave wall 2 is provided with a street lamp pole 12, and the street lamp pole 12 is provided with a street lamp 13.
As a preferable technical scheme, an illumination pipeline is embedded in the top surface of the dam body 1 for installing a cable connected with the street lamp 13.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. The pumped storage dam crest structure is characterized by comprising a dam body, a wave wall, an upstream slope protection, a retaining wall and a downstream slope protection; the upstream slope protection is arranged on the upstream of the dam body, the wave wall is poured between the dam body and the upstream slope protection, the downstream slope protection is arranged on the downstream of the dam body, and the retaining wall is poured between the dam body and the downstream slope protection; a planting groove is formed in the retaining wall;
The upstream slope protection is provided with an upstream protection structure for enhancing the seepage-proofing performance of the upstream slope protection, the top surface of the dam body is provided with a top surface protection structure for enhancing the seepage-proofing performance of the top surface of the dam body, and the downstream slope protection is provided with a downstream protection structure for enhancing the seepage-proofing performance of the downstream slope protection;
The downstream protective structure comprises a concrete layer and a vegetation layer; the concrete layer is arranged above the slope of the downstream slope protection, and the vegetation layer is arranged above the concrete layer;
The concrete layer comprises concrete frame beams and concrete blocks; the concrete lattice beam is anchored above the slope of the downstream slope protection, and the concrete blocks are embedded in the concrete lattice beam; the vegetation layer is arranged in the concrete block.
2. The pumped storage dam crest structure according to claim 1, wherein the upstream protective structure comprises a transition layer, a cushion layer, a cementing layer, a grid layer, an impermeable panel and a spray-coated quick setting rubber asphalt waterproof coating waterproof layer;
The transition layer shop in the domatic of upstream bank protection, the bed course shop in the top of transition layer, the glued layer shop in the top of bed course, the net layer shop in the top of glued layer, the prevention of seepage panel shop in the top of net layer, spraying quick setting rubber asphalt waterproof coating waterproof layer set up in the top of prevention of seepage panel.
3. The pumped storage dam crest structure according to claim 1, wherein a top surface of the dam body is provided with a top surface protection structure, and the top surface protection structure comprises a gravel layer, another spraying quick setting rubber asphalt waterproof coating waterproof layer and a concrete layer; the gravel layer is laid on the top surface of the dam body, the other spraying quick setting rubber asphalt waterproof coating waterproof layer is arranged above the gravel layer, and the concrete layer is laid on the other spraying quick setting rubber asphalt waterproof coating waterproof layer.
4. A pumped storage dam crest structure according to claim 3, wherein said crushed stone layer comprises a graded crushed stone layer and a cement stabilized crushed stone layer; the graded broken stone layer is laid on the top surface of the dam body, and the cement stabilizing broken stone layer is laid above the graded broken stone layer;
The other waterproof layer of the spray-coated quick-setting rubber asphalt waterproof coating is arranged above the cement stable crushed stone layer;
The concrete layer comprises a medium-grain asphalt concrete layer and a fine-grain asphalt concrete layer; the middle particle type asphalt concrete layer is laid above the other spraying quick setting rubber asphalt waterproof coating waterproof layer, and the fine particle type asphalt concrete layer is laid above the middle particle type asphalt concrete layer.
5. The pumped storage dam crest structure of claim 1, wherein the height of the wave wall is higher than the top surface of the dam body, the bottom of the wave wall is lower than the bottom surface of the dam body, and transition materials are filled between the bottom of the wave wall and the bottom surface of the dam body.
6. The pumped storage dam crest structure of claim 1, wherein the shrinkage joint of the wave wall and the upstream slope protection joint is sealed by asphalt mastic.
7. The pumped storage dam crest structure of claim 1, wherein the retaining wall comprises a first side wall, a bottom plate and a second side wall; the first side wall is poured on the other side of the dam body, the second side wall is poured on one side, close to the dam body, of the downstream slope protection, and the bottom plate is poured between the first side wall and the second side wall; and the planting groove is formed among the first side wall, the bottom plate and the second side wall and is used for planting turf.
8. A pumped storage dam crest structure according to claim 1, wherein a cable bridge is connected to a side of the retaining wall adjacent to the downstream slope protection, the cable bridge being used for laying cables.
9. The pumped storage dam crest structure according to claim 1, wherein a guard rail is connected to the top of the retaining wall; the top of wave wall is provided with the street lamp pole, be provided with the street lamp on the street lamp pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322496940.1U CN220977926U (en) | 2023-09-14 | 2023-09-14 | Pumped storage dam crest structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322496940.1U CN220977926U (en) | 2023-09-14 | 2023-09-14 | Pumped storage dam crest structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220977926U true CN220977926U (en) | 2024-05-17 |
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ID=91035345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322496940.1U Active CN220977926U (en) | 2023-09-14 | 2023-09-14 | Pumped storage dam crest structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220977926U (en) |
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2023
- 2023-09-14 CN CN202322496940.1U patent/CN220977926U/en active Active
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