CN210368820U

CN210368820U - Novel water retaining building structure type

Info

Publication number: CN210368820U
Application number: CN201920761944.9U
Authority: CN
Inventors: 章鹏; 刘林军; 娄剑永; 陈志伟; 郭建设; 向正林
Original assignee: Peak and Frequency Regulation Power Generation Co of China Southern Power Grid Co Ltd
Current assignee: Peak and Frequency Regulation Power Generation Co of China Southern Power Grid Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-21
Anticipated expiration: 2029-05-24

Abstract

The utility model relates to a hydroelectric engineering manger plate building technical field, and disclose a novel retaining structure type, when having solved present hydraulic and hydroelectric engineering manger plate building and being under the relatively poor situation of natural condition and being under construction, its engineering volume is huge, can seriously destroy the problem of natural hillside environment simultaneously, it includes reservoir area, natural hillside, completely weathered soil layer, strong weathering rock layer, interior mountain correction line, rolling rock pile layer, concrete barricade, flexible coupling concrete slab, seepage prevention groove, grout groove, concrete impervious wall and curtain grout, natural hillside includes completely weathered soil layer and strong weathering rock layer, strong weathering rock layer is located the lower part on completely weathered soil layer, interior mountain correction line is located between completely weathered soil layer and strong weathering rock layer; this novel retaining structure structural style had both satisfied the requirement of manger plate function, had practiced thrift the cost of building again, still can not destroy natural hillside simultaneously, had effectually played the effect of environmental protection.

Description

Novel water retaining building structure type

Technical Field

The utility model belongs to the technical field of water electrical engineering manger plate building, specifically be a novel retaining structure type.

Background

In the field of hydroelectric engineering, a large number of pumped storage power stations are currently built, seawater pumped storage power stations are also planned, an upper reservoir of the pumped storage power station needs to be dammed at a higher terrain to enclose a mountain depression, the economic benefit of the power station is good when the water level of the upper reservoir is high, but the situation that individual mountain top bealock elevations are lower than the water level of the reservoir at the periphery of the mountain depression often occurs, and therefore a water blocking building needs to be arranged at the mountain top bealock, and the situation also occurs occasionally in reservoirs of other hydraulic and hydroelectric engineering.

The water retaining building in the field of hydraulic and hydroelectric engineering comprises two types of dam types, namely a concrete dam and a local material dam, wherein the concrete dam is required to be located on a rock foundation, and only the local material dam can be used under the condition that the thickness of a completely weathered soil layer of a mountain is large, but the section size of the local material dam is large, and under the condition, a downstream dam slope of the dam exceeds the range of a natural slope of the mountain, so that the dam needs to extend to the underground of the mountain for a long distance, so that the engineering quantity is huge, the environment of the natural slope is seriously damaged, particularly, an island pumped storage power station has the defects that the damage to the environment cannot be accepted due to the small area of the island and the fragile; a novel water retaining building structure type is provided aiming at the special application scene.

Disclosure of Invention

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a novel retaining structure type, when effectual solved present hydraulic and hydroelectric engineering retaining structure and under the relatively poor situation of natural condition under construction, its engineering volume is huge, can seriously destroy the problem of natural hillside environment simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a novel water retaining building structure comprises a reservoir area, a natural hillside, a completely weathered soil layer, a strongly weathered rock layer, a correction line of the interior mountain, a rolling rock layer, a concrete retaining wall, a flexible connection concrete slab, an anti-seepage groove, a grouting groove, a concrete anti-seepage wall and curtain grouting, the natural hillside comprises a completely weathered soil layer and a strongly weathered rock layer, the strongly weathered rock layer is located at the lower portion of the completely weathered soil layer, a correction line of a warehouse interior mountain is located between the completely weathered soil layer and the strongly weathered rock layer, the rolling rock layer is obliquely piled on the surface of the natural hillside, the concrete retaining wall is poured inside the completely weathered soil layer, the flexible connection concrete slab is poured inside the completely weathered soil layer, the anti-seepage groove is formed inside the completely weathered soil layer, the grouting groove is formed inside the strongly weathered rock layer, and the concrete impervious wall and the curtain grouting are respectively poured inside the anti-seepage groove and the grouting groove.

Preferably, the top of the concrete retaining wall is provided with a highest water level line.

Preferably, the upper part of the rolling and stacking layer is provided with a lowest water level platform.

Preferably, the concrete impervious wall is poured with the thickness of 800 mm.

Preferably, the height of the concrete retaining wall is 15m +/-0.5 m.

Preferably, the height of the flexible connection concrete slab is 2m +/-0.5 m.

Compared with the prior art, the beneficial effects of the utility model are that:

in the implementation, the rolling rock pile layer, the concrete retaining wall, the flexible connection concrete slab, the seepage-proofing groove, the grouting groove, the concrete seepage-proofing wall and the curtain grouting are arranged, so that the water-retaining building not only meets the requirement of a water-retaining function, but also saves the cost and protects the environment; the water retaining problem is solved by arranging a concrete retaining wall, a flexible connection concrete plate, a concrete impervious wall and curtain grouting on a completely weathered soil layer of the bealock at the summit, and the slope stability problem caused by frequent rising and falling of the water level of the pumped storage power station is solved by arranging a rolling rockfill ballast weight on a hillside in a reservoir; the water retaining building breaks through the standard requirement, improves the investment control and the environmental protection of pumped storage power station construction, can be generally popularized, has high application value, and can be used for reference in similar projects.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a labeled drawing of the present invention;

FIG. 3 is a partially labeled view of FIG. 2 in accordance with the present invention;

in the figure: 1. a reservoir area; 2. natural hillside; 3. a completely weathered soil layer; 4. a strongly weathered rock layer; 5. correcting the line in the warehouse; 6. rolling the rock-fill layer; 7. a concrete retaining wall; 8. connecting a concrete slab; 9. an anti-seepage groove; 10. grouting grooves; 11. a concrete impervious wall; 12. grouting a curtain; 13. a highest water line; 14. the lowest water line.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, the present invention comprises a reservoir area 1, a natural hillside 2, a completely weathered soil layer 3, a strongly weathered rock layer 4, a correction line 5 for a mountain in a garage, a roller compacted rockfill layer 6, a concrete retaining wall 7, a flexible connection concrete slab 8, an anti-seepage groove 9, a grouting groove 10, a concrete anti-seepage wall 11 and a curtain grouting 12, wherein the natural hillside 2 comprises the completely weathered soil layer 3 and the strongly weathered rock layer 4, the strongly weathered rock layer 4 is located at the lower part of the completely weathered soil layer 3, the correction line 5 for a mountain in a garage is located in the completely weathered soil layer, the roller compacted rockfill layer 6 is obliquely stacked on the surface of the natural hillside 2, the roller compacted rock layer 6 secures stability of the hillside when a water level changes between a highest water level line 13 and a lowest water level line 14 to reinforce and protect the surface of the natural hillside 2, the concrete retaining wall 7 with a height of 14m is poured inside the completely weathered rock, the concrete retaining wall 7 and the flexible connection concrete slab 8 with the height of 3m are poured on one side of the concrete retaining wall 7 and located inside the completely weathered rock layer 3, the concrete retaining wall 7 and the flexible connection concrete slab 8 are arranged to well play a role in retaining water, the anti-seepage groove 9 is formed inside the strongly weathered rock layer 4, the grouting groove 10 is formed in the bottom of the anti-seepage groove 9, the concrete anti-seepage wall 11 with the thickness of 800mm and the curtain grouting 12 are poured inside the anti-seepage groove 9 and the grouting groove 10 respectively, and the completely weathered rock layer 3 and the strongly weathered rock layer 4 are reinforced through the arrangement of the concrete anti-seepage wall 11 and the curtain grouting 12.

The working principle is as follows: firstly, detecting the bearing capacity of a completely weathered soil layer 3, determining the sizes of a retaining wall building base surface and a retaining wall structure, calculating the stability of a natural hillside 2 in an analysis warehouse after the treatment of a rolled rock-fill layer 6, and determining the size of the rolled rock-fill layer 6; and then, performing construction of rolling the rock-fill layer 6 on the natural hillside 2, simultaneously excavating an impervious slot 9 and a grouting slot 10 at the top of the natural hillside 2, respectively pouring curtain grouting 12 and a concrete impervious wall 11 into the grouting slot 10 and the impervious slot 9, then building the concrete retaining wall 7 and the flexible connection concrete slab 8, and finally performing construction of flexible lap joint water stop.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel retaining structure type of building, includes reservoir area (1), natural hillside (2), weathered soil layer (3) entirely, strong morals and manners rock layer (4), interior mountain correction line (5), roller compaction heap stone layer (6), concrete barricade (7), flexible coupling concrete slab (8), seepage prevention groove (9), grout groove (10), concrete impervious wall (11) and curtain grout (12), its characterized in that: the natural hillside (2) is including weathering soil layer (3) and highly weathered rock layer (4) entirely, highly weathered rock layer (4) are located the lower part of weathering soil layer (3) entirely, mountain correction line (5) are located between highly weathered soil layer (3) and highly weathered rock layer (4) in the storehouse, roll the surface of piling up in natural hillside (2) in slope of heap rock layer (6), concrete barricade (7) waters on highly weathered soil layer (3), flexible coupling concrete slab (8) waters one side of concrete barricade (7) and is located highly weathered soil layer (3), seepage prevention groove (9) are seted up in the inside of highly weathered rock layer (4), grout groove (10) are seted up in the bottom of seepage prevention groove (9), concrete impervious wall (11) and curtain grout (12) water respectively in the inside of seepage prevention groove (9) and grout groove (10).

2. The new water retaining building construction of claim 1, wherein: the top of the concrete retaining wall (7) is provided with a highest water level line (13).

3. The new water retaining building construction of claim 1, wherein: and a lowest water level platform (14) is arranged at the upper part of the rolling and stacking stone layer (6).

4. The new water retaining building construction of claim 1, wherein: the concrete pouring thickness of the concrete impervious wall (11) is 800 mm.

5. The new water retaining building construction of claim 1, wherein: the height of the concrete retaining wall (7) is 15m +/-0.5 m.

6. The new water retaining building construction of claim 1, wherein: the height of the flexible connection concrete slab (8) is 2m +/-0.5 m.