CN206495189U - A kind of wall duplex rock - Google Patents

Abstract

The utility model discloses a kind of wall duplex rock.The rock includes the concrete slab set gradually by upstream to downstream, upper bedding material, upper Transition Materials, upstream rockfill area, downstream rockfill area；The riverbed position of concrete slab upstream side sets concrete walls；The upstream side of concrete walls is provided with the first underlay layered material；The upstream side of first underlay layered material is provided with Gai Chong areas；The downstream of concrete walls is provided with the second underlay layered material；The downstream of second underlay layered material is provided with lower Transition Materials；Gai Chongqu, the first underlay layered material, concrete walls, the second underlay layered material and lower Transition Materials elevation have been put down and filled.The utility model is additionally arranged the concrete walls positioned at riverbed position concrete slab upstream side on the basis of conventional concrete panel, so as to improve the maintenanceability of profundal zone panel, reduce panel length and deformation, reduction board cracking risk；And put down to fill and can prevent that concrete walls both sides load is unbalance and produces wall damage using elevation.

Description

A kind of wall duplex rock

Technical field

The utility model is related to hydro science dam construction technique field, more particularly to a kind of wall duplex panel enrockment Dam.

Background technology

Face dam dam type because with to Dam Site topographic and geologic condition strong adaptability, good economy performance, it is safe and reliable the characteristics of, It is rapidly developed in China, but the high face dam in part built in recent years occurs in that dam deformation is bigger than pre- side value, panel The problems such as there is extruding destruction, crack, big embankment seepage amount.These problems are attributed to three aspects：One is that dam deformation is big；Two are The seepage control system such as panel destructible, destruction cause embankment seepage amount big, it is understood that there may be the potential safety hazard of seepage stability；Three be to tie up Repairing property is poor, and lower panels maintenance is difficult, runs into extreme operating condition problem and more protrudes.Thus at present to 250m grades or higher of panel The security presence on dam is queried.

As China's economic development and the public, government significantly improve to safety requirements, to large and medium water power station engineering Water retaining structure proposes the requirement that the extreme operating conditions such as macroseism are not fallen, design conditions can be used normally after repairing.The built 70m of China The high face dam of the above does not overhaul the condition of base impervious system all.The presence of these problems, constrains the country to building 250 The decision-making of ~ 300m ultra-high concrete panel rock-fill dams.

During usual high face dam or superelevation face dam design, mostly from dam zoning, fill standard, joint seal, construction Studied in terms of step, propose reduction dam deformation, improve panel stress and the related measure of control joint displacement.But these Measure all can not more effectively solve the technical problem present in superelevation rock at present.

Utility model content

In order to overcome in the prior art high face dam panel it is long, it is larger to bear water pressure, deforms larger, is also easy to produce and splits Seam；Maintenanceability is poor, and the difficult defect of lower panels maintenance, the purpose of this utility model is to propose a kind of wall duplex Rock, improves the maintenanceability of profundal zone panel, reduces panel length and deformation, reduction board cracking wind so as to reach The purpose of danger.

To realize above-mentioned technical purpose, the utility model, which is adopted the following technical scheme that, to be achieved:

A kind of wall duplex rock, including concrete slab, the upper pad set gradually by upstream to downstream Layered material, upper Transition Materials, upstream rockfill area, downstream rockfill area, the riverbed position of the concrete slab upstream side set concrete Wall；The upstream side of the concrete walls is provided with the first underlay layered material；The upstream side of the first underlay layered material is provided with Gai Chong areas；Institute The downstream for stating concrete walls is provided with the second underlay layered material；The downstream of second underlay layered material is provided with lower Transition Materials；The lid weight Area, the first underlay layered material, the concrete walls, the second underlay layered material and the lower Transition Materials elevation have been put down and filled out Build.

It is preferred that, the downstream of the upper end of the concrete walls is sequentially provided with connecting plate and toe board；The connecting plate and institute Toe board is stated to be arranged side by side in the same horizontal line, and positioned at the top of the second underlay layered material；The toe board is connected to described The lower end of concrete slab.

It is preferred that, gallery is overhauled in the monitoring that is internally provided with of the concrete walls.

It is preferred that, the upper bedding material is connected with the second underlay layered material.

It is preferred that, the second underlay layered material includes a vertical section, and by the upper end of the vertical section downstream side water The horizontal segment of flat extension；The downstream end of the horizontal segment connects the lower surface of the upper bedding material；The connecting plate and described Toe board is located at the top of the horizontal segment.

It is preferred that, the upper Transition Materials are connected with the lower Transition Materials.

It is preferred that, the up stream slope ratio of the concrete walls is 1：m；M values are 0.1~0.5.

It is preferred that, the downstream slope of the concrete walls compares 1：n；N values are 0.1~0.5.

It is preferred that, the concrete walls are highly less than 100m.

The beneficial effects of the utility model：

The utility model is additionally arranged positioned at riverbed position concrete slab upstream side on the basis of conventional concrete panel Concrete walls, instead of profundal zone panel, so as to improve the maintenanceability of profundal zone panel, reduce panel length and deformation, drop Bottom surface plate cracking risk；And the Gai Chong areas, the first underlay layered material, the concrete walls, the second underlay layered material And the lower Transition Materials elevation has been put down and filled, it can prevent that concrete walls both sides load is unbalance and produces wall damage.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model rock.

In figure, 1- concrete walls；2- Gai Chong areas；3- concrete slabs；4- connecting plates；5- toe boards；The upper bedding materials 1 of 6-；7- Upper Transition Materials；8- upstreams rockfill area；9- downstreams rockfill area；10- the first underlay layered materials；11- the second underlay layered materials；Transition under 12- Material；13- vertical sections；14- horizontal segments；15- monitoring maintenance gallerys.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

Embodiment 1

In order to overcome in the prior art high face dam panel it is long, it is larger to bear water pressure, deforms larger, is also easy to produce and splits Seam；Maintenanceability is poor, the difficult defect of lower panels maintenance, and it is compound that the utility model provides a kind of wall as shown in Figure 1 Structural panel rock-fill dams, it include set gradually by upstream to downstream concrete slab 3, upper bedding material 6, upper Transition Materials 7, on Swim rockfill area 8, downstream rockfill area 9；The riverbed position of the upstream side of concrete slab 3 sets concrete walls 1；The concrete The upstream side of wall 1 is provided with the first underlay layered material 10；The upstream side of the first underlay layered material 10 is provided with Gai Chong areas 2；The coagulation The downstream of cob wall 1 is provided with the second underlay layered material 11；The downstream of second underlay layered material 11 is provided with lower Transition Materials 12；The lid weight Area 2, the first underlay layered material 10, the concrete walls 1, the second underlay layered material 11 and the elevation of lower Transition Materials 12 Put down and filled.

The utility model is additionally arranged positioned at riverbed position concrete slab upstream side on the basis of conventional concrete panel Concrete walls, instead of profundal zone panel, improve the maintenanceability of profundal zone panel, reduce panel length and deformation, reduction face Plate cracking risk；Construction for high face dam or superelevation face dam provides foundation, and be particularly suitable for use in 300m grades high panel heap Masonry dam.And the Gai Chong areas, the first underlay layered material, the concrete walls, the second underlay layered material and it is described under Transition Materials elevation, which has been put down, to be filled, and can prevent that concrete walls both sides load is unbalance and produces wall damage.

Embodiment 2

On the basis of embodiment 1, as shown in figure 1, the downstream of the upper end of the concrete walls 1 is sequentially provided with connecting plate 4 and toe board 5；The connecting plate 4 and the toe board 5 are arranged side by side in the same horizontal line, and positioned at the second underlay layered material 11 top；The toe board 5 is connected to the lower end of the concrete slab 3.

The utility model as the connector between the toe board 5 and the concrete walls 1, can subtract the connecting plate 4 Few deformation due to concrete wall 1 and influence that counter plate bottom periphery seam is produced, while can also reduce concrete walls 1 should Power.

The concrete walls 1 are internally provided with monitoring maintenance gallery 15.

Embodiment 3

On the basis of embodiment 1, as shown in figure 1, the upper bedding material 6 is connected with the second underlay layered material 11, A complete and continuous bedding material is formed between upstream and downstream.

The second underlay layered material 11 includes a vertical section 13, and by the upper end of the vertical section 13 downstream side level The horizontal segment 14 of extension；The downstream end of the horizontal segment 14 connects the lower surface of the upper bedding material 6；The He of connecting plate 4 The toe board 5 is located at the top of the horizontal segment 14.

The rock-fill dams are respectively provided with bedding material in different directions and position, effectively prevent thick, fine grained in dam to be lost in.

Embodiment 4

On the basis of embodiment 1, as shown in figure 1, the upper Transition Materials 7 are connected with the lower Transition Materials 12, in upstream A complete and continuous Transition Materials are formed between downstream, to make compressibility and water penetration be from upstream to downstream stably mistake Cross, it is ensured that bedding material will not be washed into the macrovoid of upstream rockfill area 8 and downstream rockfill area 9.

Embodiment 5

On the basis of embodiment 1, the up stream slope ratio of the concrete walls 1 is 1：m；M values are 0.1~0.5；The coagulation Compare 1 in the downstream slope of cob wall 1：n；N values are 0.1~0.5, and dam material fills close when can fully meet construction in this proportion Real requirement.

The up stream slope ratio of concrete walls 1 can be consistent with downstream slope ratio, also can be inconsistent, according to practice of construction condition It is fixed.

In order to meet engineering design requirements, the height on dam is more matched, the height of concrete walls 1 is less than 100m.

Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim and Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.

Claims (9)

1. a kind of wall duplex rock, including the concrete slab set gradually by upstream to downstream（3）, upper pad Layered material（6）, upper Transition Materials（7）, upstream rockfill area（8）, downstream rockfill area（9）, it is characterised in that：The concrete slab（3） The riverbed position of upstream side sets concrete walls（1）；The concrete walls（1）Upstream side be provided with the first underlay layered material（10）； The first underlay layered material（10）Upstream side be provided with Gai Chong areas（2）；The concrete walls（1）Downstream be provided with the second underlay Layered material（11）；Second underlay layered material（11）Downstream be provided with lower Transition Materials（12）；The Gai Chong areas（2）, first underlay Layered material（10）, the concrete walls（1）, the second underlay layered material（11）And the lower Transition Materials（12）Elevation, which has been put down, to be filled out Build.

2. wall duplex rock as claimed in claim 1, it is characterised in that：The concrete walls（1）It is upper The downstream at end is sequentially provided with connecting plate（4）And toe board（5）；The connecting plate（4）With the toe board（5）It is disposed side by side on same On horizontal line, and positioned at the second underlay layered material（11）Top；The toe board（5）It is connected to the concrete slab（3） Lower end.

3. wall duplex rock as claimed in claim 1, it is characterised in that：The concrete walls（1）It is interior Portion is provided with monitoring maintenance gallery（15）.

4. wall duplex rock as claimed in claim 1, it is characterised in that：The upper bedding material（6）And institute State the second underlay layered material（11）It is connected.

5. wall duplex rock as claimed in claim 2, it is characterised in that：The second underlay layered material（11） Including a vertical section（13）, and by the vertical section（13）The upper end downstream horizontal-extending horizontal segment in side（14）；It is described Horizontal segment（14）Downstream end connect the upper bedding material（6）Lower surface；The connecting plate（4）With the toe board（5）Position In the horizontal segment（14）Top.

6. wall duplex rock as claimed in claim 1, it is characterised in that：The upper Transition Materials（7）And institute State lower Transition Materials（12）It is connected.

7. wall duplex rock as claimed in claim 1, it is characterised in that：The concrete walls（1）It is upper It is 1 to swim slope ratio：m；M values are 0.1~0.5.

8. wall duplex rock as claimed in claim 1, it is characterised in that：The concrete walls（1）Under Compare 1 in trip slope：n；N values are 0.1~0.5.

9. wall duplex rock as claimed in claim 1, it is characterised in that：The concrete walls（1）Highly Less than 100m.