CN112942259B - Assembled flexible panel structure for panel rock-fill dam and construction method - Google Patents

Assembled flexible panel structure for panel rock-fill dam and construction method Download PDF

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Publication number
CN112942259B
CN112942259B CN202110218071.9A CN202110218071A CN112942259B CN 112942259 B CN112942259 B CN 112942259B CN 202110218071 A CN202110218071 A CN 202110218071A CN 112942259 B CN112942259 B CN 112942259B
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panel
concrete layer
steel plate
anchoring
layer
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CN112942259A (en
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董顺
高潮
张翰
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China Three Gorges Corp
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02—Fixed barrages
    • E02B7/04—Dams across valleys
    • E02B7/06—Earth-fill dams; Rock-fill dams
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16—Sealings or joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Revetment (AREA)

Abstract

The invention provides an assembled flexible panel structure for a panel rock-fill dam and a construction method thereof. The flexible panel structure has good anti-seepage effect.

Description

Assembled flexible panel structure for panel rock-fill dam and construction method
Technical Field
The invention belongs to the technical field of hydraulic and hydroelectric engineering, and particularly relates to an assembled flexible panel structure for a panel rock-fill dam and a construction method.
Background
Because of the characteristics of simple structure, convenient construction, high safety, outstanding economy and the like, the concrete panel rock-fill dam is widely applied to hydraulic and hydroelectric construction engineering and is favored by dam industries at home and abroad. With the continuous improvement and promotion of theories, designs and construction levels, the face rockfill dam is developing towards the direction of a high dam large warehouse. At present, a batch of 200-grade panel rock-fill dams are successively built in China, and mainly comprise water buffalo, majolite, natural bridges and the like.
The existing face plate rock-fill dam mainly adopts a cast-in-place concrete face plate as a dam face seepage-proofing structure, the working procedures are complicated, the construction period is long, the construction quality is greatly influenced by the surrounding environment and meteorological conditions, and surface cracks are easily generated in the face plate pouring process or the maintenance period. In addition, the concrete panel belongs to a thin-wall and long-strip rigid member, and a penetrating crack is easily generated under the condition that the space between the panel and a padding layer or a concrete extrusion side wall is empty, so that an anti-seepage system of the dam is damaged, and the safety of the dam is threatened.
In the prior invention patent, the invention application No. 201710143012.3 discloses a concrete panel rock-fill dam panel structure, which transfers the water load borne by the panel to the main rock-fill area through a rubber support and a support pier, thereby effectively reducing the possibility of cracking of the panel caused by uneven settlement of the dam body; and the anti-permeability performance of the panel is enhanced while the strength of the panel is improved by sticking the carbon fiber cloth on the bottom surface of the panel. The invention application number 201410615518.6 discloses a rubber panel rock-fill dam and a construction method thereof, wherein a transition layer, a dry masonry cushion layer, an inner foam board cushion layer, a rubber panel impermeable layer, an outer foam board layer and a cover layer are sequentially arranged on a water-facing surface from inside to outside, and the panel impermeable layer is formed by adjacently combining a plurality of strip-shaped rubber panels. The invention application No. 201710038344.5 discloses an anti-seepage structure for a dam face of a face plate rock-fill dam, which mainly comprises a thermoplastic polyolefin TPO anti-seepage layer and an anchoring layer, wherein the anchoring layer mainly comprises a transverse anchoring belt and a longitudinal anchoring belt.
In conclusion, the concrete panels commonly adopted at present are easy to generate cracks in the pouring, maintenance and operation processes, damage the anti-seepage system of the dam, and have complicated construction procedures and longer construction period.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembled flexible panel structure for a panel rock-fill dam and a construction method, wherein the flexible panel structure has a good anti-seepage effect.
In order to achieve the technical features, the invention is realized as follows: the utility model provides a flexible panel structure of pin-connected panel for panel rock-fill dam, it is including setting up the panel unit on the dam body is domatic, be provided with the horizontal anchor pedestal that passes backing material layer and transition layer between panel unit and the dam body is domatic.
The panel unit adopts a steel plate-concrete composite structure and comprises an inner concrete layer, an anti-seepage steel plate is arranged on the inner side of the inner concrete layer, and an outer concrete layer is arranged on the inner side of the anti-seepage steel plate.
The inner concrete layer and the outer concrete layer are both made of polyvinyl alcohol fiber reinforced ultra-high-toughness cement-based composite materials.
The length and the width of the inner concrete layer are both longer than those of the outer concrete layer by 2 a; the anti-seepage steel plate is a thin-wall stainless steel plate with the thickness of 1-3mm, and is longer than the outer concrete layer by 2b in the length direction and the width direction;
a is the lap joint width between the concrete layers in the two adjacent panel units;
b is the width of the anti-seepage steel plate for lap joint, and the lap joint width between the anti-seepage steel plates between two adjacent panel units is 2 b-a;
the panel unit is prefabricated in a factory and is cast and molded by adopting a vertical mold, and the anti-seepage steel plate is embedded between the inner mold and the outer mold; and adjacent panel units are overlapped through the inner concrete layer, and the anti-seepage steel plates are welded after being overlapped to form anti-seepage steel plate welding seams.
Interior concrete layer includes two kinds of structural style of concrete layer bellmouth and interior concrete layer socket in, the thickness of interior concrete layer bellmouth and interior concrete layer socket is 1/2 of 4 thickness on interior concrete layer, and length equals.
The transverse anchoring pedestal is formed by pouring common silicate concrete in-situ vertical mold, a reinforcing mesh is arranged inside the transverse anchoring pedestal, the transverse anchoring pedestal sequentially penetrates through a transition layer and a padding layer of the dam body and then is fixed on a main rockfill area of the dam body through an anchor rope, and the surface of the transverse anchoring pedestal and the upper surface of the padding layer of the dam body are located in the same plane.
The inner concrete layer bellmouth, the anti-seepage steel plate and the transverse anchoring pedestal of the inner concrete layer are all provided with anchoring bolt holes with equal diameters; and an anchor bolt penetrates through the inside of the anchor bolt hole.
The construction method of the assembled flexible panel structure for the panel rock-fill dam comprises the following steps:
the method comprises the following steps: after the rockfill of the dam body is filled to a corresponding elevation, a transverse anchoring pedestal is poured by a field vertical mold, and the rockfill sequentially penetrates through a transition layer and a padding layer and then is fixed on a main rockfill area of the dam body in a fixing mode of adopting an anchor rope;
step two: after the transverse anchoring pedestal reaches the design strength, constructing anchoring bolt holes through a pneumatic handheld drilling machine according to the design aperture, the hole depth and the distance;
step three: vertically pouring a panel unit in a factory, and embedding an impermeable steel plate between an inner die and an outer die for pouring;
step four: after the panel unit reaches the design strength, reserving anchor bolt holes on the panel unit according to the design aperture, number and position, and cutting the inner and outer concrete layers according to the design size;
step five: after finishing the slope finishing of the dam body, transporting the panel units to a construction site, and carrying out lifting splicing after checking the quality of the panel units; the lap joint width of the anti-seepage steel plates between the adjacent panel units is 2 b-a; the concrete layers in the adjacent panel units are lapped in a socket joint mode, and the lapping width is a;
step six: after the four panel units around the anchor bolt hole are spliced, injecting epoxy resin into a gap surrounded by the inner concrete layer through the anchor bolt hole, and anchoring through the anchor bolt before the epoxy resin is hardened;
step seven: after the anchoring bolts sequentially penetrate through the anti-seepage steel plate, the inner concrete layer and the reserved anchoring bolt holes of the transverse anchoring pedestal, the panel unit is fixed on the transverse anchoring pedestal;
step eight: welding the anti-seepage steel plates between the adjacent panel units along the lap joint by adopting electric arc welding to form an anti-seepage steel plate welding seam, and welding along the outer edge of the anchor bolt;
step nine: after the gaps surrounded by the mixed concrete layers outside the adjacent panel units are washed and roughened, the gaps are filled with the polyvinyl alcohol fiber reinforced ultra-high-toughness cement-based composite material, so that the outer surface of the panel is ensured to be flat.
Compared with a concrete panel, the flexible assembled panel structure suitable for the panel rock-fill dam provided by the invention has the following advantages:
1. the pouring, cutting and the like of the panel unit can be carried out simultaneously with the filling of the rockfill material, so that links such as on-site concrete pouring and maintenance are omitted, and the construction period can be effectively shortened; the rock-fill dam panel is formed by hoisting and splicing a plurality of panel units, and can be operated simultaneously in a plurality of teams and groups on site in different blocks, so that the construction progress is further accelerated.
2. The panel units are prefabricated in a pouring manner in a factory, the quality of each panel unit can be effectively controlled, and the possibility of non-structural cracks caused by construction quality and surrounding environment when concrete is poured in situ is eliminated.
3. Due to the excellent tensile property, crack control performance and toughness of the polyvinyl alcohol reinforced ultra-high toughness cement-based composite material, the assembled flexible panel can generate coordinated deformation under the condition of local void, and the possibility of generating penetrating structure cracks on the panel is remarkably reduced.
4. Because the panel units are of a steel plate-concrete composite structure, and the anti-seepage steel plates among the panel units are welded by adopting electric arc welding, the anti-seepage structure of the panel is complete, the anti-seepage effect is obvious, and the leakage problem caused by cracking of the concrete panel can be effectively solved.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic layout of a slope surface anchoring support.
Fig. 2 is a plan view of the panel unit.
Fig. 3 is a front view of an I-type panel unit.
Fig. 4 is a front view of a II-type panel unit.
Fig. 5 is a schematic view of the connection of adjacent panel units.
In the figure: the dam body slope surface 1, the panel unit 2, the transverse anchoring pedestal 3, the inner concrete layer 4, the anti-seepage steel plate 5, the outer concrete layer 6, the anchoring bolt hole 7, the anchoring bolt 8, the anti-seepage steel plate welding seam 9, the inner concrete layer socket 4-1 and the inner concrete layer socket 4-2.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-5, an assembled flexible face plate structure for a face plate rock-fill dam comprises face plate units 2 arranged on a dam body slope surface 1, and a transverse anchoring pedestal 3 penetrating through a cushion material layer and a transition layer is arranged between the face plate units 2 and the dam body slope surface 1. By adopting the flexible panel structure and adopting an assembled structural form, the pouring, cutting and the like of the panel unit 2 can be carried out simultaneously with the filling of the rockfill material, so that the links of site concrete pouring, maintenance and the like are saved, the construction period can be effectively shortened, and the pouring quality is ensured by adopting the pre-factory pouring, thereby achieving a good anti-seepage effect; in addition, the installation mode of hoisting and on-site splicing is adopted, so that the construction progress is accelerated.
Further, the panel unit 2 is of a steel plate-concrete composite structure and comprises an inner concrete layer 4, an anti-seepage steel plate 5 is arranged on the inner side of the inner concrete layer 4, and an outer concrete layer 6 is arranged on the inner side of the anti-seepage steel plate 5. By adopting the panel unit 2 with the structure, the structural strength of the panel unit is ensured, and meanwhile, the anti-seepage steel plates 5 are welded by arc welding, so that the anti-seepage structure of the panel is complete, the anti-seepage effect is obvious, and the leakage problem caused by cracking of the concrete panel can be effectively solved.
Further, the inner concrete layer 4 and the outer concrete layer 6 are both made of polyvinyl alcohol fiber reinforced ultra-high-toughness cement-based composite materials. By adopting the polyvinyl alcohol fiber PVA reinforced ultra-high-toughness cement-based composite material UHTCC, the flexible panel has excellent tensile property, crack control property and toughness, the assembled flexible panel can generate coordinated deformation under the condition of local void, and the possibility of generating penetrating structure cracks on the panel is obviously reduced.
Further, the inner concrete layer 4 is longer than the outer concrete layer 6 in both the length direction and the width direction by 2 a; the anti-seepage steel plate 5 is a thin-wall stainless steel plate with the thickness of 1-3mm, and is longer than the outer concrete layer 6 by 2b in the length direction and the width direction;
further, a is the lap joint width between the inner concrete layers 4 between two adjacent panel units 2;
further, b is the width of the anti-seepage steel plate 5 for overlapping, and the overlapping width between the anti-seepage steel plates 5 between two adjacent panel units 2 is 2 b-a.
Further, the panel unit 2 is prefabricated in a factory, and is formed by adopting a vertical mold in a pouring way, and the anti-seepage steel plate 5 is embedded between the inner mold and the outer mold; the adjacent panel units 2 are overlapped through the inner concrete layer 4, and the anti-seepage steel plates 5 are welded after being overlapped to form anti-seepage steel plate welding seams 9. By adopting factory prefabrication, the quality of each panel unit can be effectively controlled, and the possibility of non-structural cracks caused by construction quality and surrounding environment when concrete is poured in place is eliminated.
Further, the inner concrete layer 4 comprises two structural forms, namely an inner concrete layer bell mouth 4-1 and an inner concrete layer spigot 4-2, the thickness of the inner concrete layer bell mouth 4-1 and the inner concrete layer spigot 4-2 is 1/2 of the thickness of the inner concrete layer 4, and the lengths of the inner concrete layer bell mouth 4-1 and the inner concrete layer spigot 4-2 are equal. The splicing butt joint between the panel units 2 can be realized by adopting the I-type panel unit and the II-type panel unit structures.
Furthermore, the transverse anchoring pedestal 3 is formed by pouring ordinary silicate concrete in-situ vertical molds, is internally provided with a reinforcing mesh, sequentially penetrates through a transition layer and a padding layer of the dam body, and is fixed on a main rockfill area of the dam body through an anchor rope, and the surface of the transverse anchoring pedestal and the upper surface of the padding layer of the dam body are positioned in the same plane. By the above-mentioned transverse anchoring bench 3 it is ensured that it can be brought into contact with
Further, the inner concrete layer bellmouth 4-1, the anti-seepage steel plate 5 and the transverse anchoring pedestal 3 of the inner concrete layer 4 are all provided with anchoring bolt holes 7 with equal diameters; and an anchor bolt 8 is arranged in the anchor bolt hole 7 in a penetrating way. By the structure form, the reliability of fixing the whole panel structure is ensured.
Example 2:
the construction method of the assembled flexible panel structure for the panel rock-fill dam comprises the following steps:
the method comprises the following steps: after the rockfill of the dam body is filled to a corresponding elevation, a transverse anchoring pedestal 3 is poured by a field vertical die, sequentially penetrates through a transition layer and a padding layer and then is fixed on a main rockfill area of the dam body, and the fixing mode adopts an anchor rope for fixing;
step two: after the transverse anchoring pedestal 3 reaches the design strength, constructing anchoring bolt holes 7 through a pneumatic handheld drilling machine according to the design aperture, the hole depth and the distance;
step three: vertically pouring the panel unit 2 in a factory, and embedding an impermeable steel plate 5 between an inner die and an outer die for pouring;
step four: after the panel unit 2 reaches the design strength, reserving anchor bolt holes 7 on the panel unit 2 according to the design aperture, number and position, and cutting the inner and outer concrete layers according to the design size;
step five: after finishing the slope finishing of the dam body, transporting the panel unit 2 to a construction site, and carrying out hoisting splicing after checking the quality of the panel unit; the lap joint width of the anti-seepage steel plates 5 between the adjacent panel units 2 is 2 b-a; the inner concrete layers 4 between the adjacent panel units 2 are overlapped in a socket joint mode, and the overlapping width is a;
step six: after the four panel units 2 around the anchor bolt hole 7 are spliced, injecting epoxy resin into a gap surrounded by the inner concrete layer 4 through the anchor bolt hole 7, and anchoring through the anchor bolt 8 before the epoxy resin is hardened;
step seven: the anchoring bolt 8 sequentially penetrates through the anti-seepage steel plate 5, the inner concrete layer 4 and the horizontal anchoring pedestal 3 to reserve an anchoring bolt hole 7, and then the panel unit 2 is fixed on the horizontal anchoring pedestal 3;
step eight: welding the anti-seepage steel plates 5 between the adjacent panel units along the lap joint by adopting electric arc welding to form anti-seepage steel plate welding joints 9, and welding along the outer edges of the anchor bolts 8;
step nine: after the gaps surrounded by the mixed concrete layers 6 outside the adjacent panel units 2 are washed and roughened, the gaps are filled with the polyvinyl alcohol fiber reinforced ultra-high-toughness cement-based composite material, so that the outer surface of the panel is ensured to be flat.

Claims (3)

1. The utility model provides a flexible panel structure of pin-connected panel for panel rock-fill dam which characterized in that: the dam comprises a panel unit (2) arranged on a dam body slope surface (1), wherein a transverse anchoring pedestal (3) penetrating through a padding layer and a transition layer is arranged between the panel unit (2) and the dam body slope surface (1);
the panel unit (2) adopts a steel plate-concrete composite structure and comprises an inner concrete layer (4), an anti-seepage steel plate (5) is arranged on the inner side of the inner concrete layer (4), and an outer concrete layer (6) is arranged on the inner side of the anti-seepage steel plate (5);
the inner concrete layer (4) and the outer concrete layer (6) are both made of polyvinyl alcohol fiber reinforced ultra-high-toughness cement-based composite materials;
the inner concrete layer (4) is longer than the outer concrete layer (6) by 2a in the length and width directions; the anti-seepage steel plate (5) is a thin-wall stainless steel plate with the thickness of 1-3mm, and is longer than the outer concrete layer (6) by 2b in the length direction and the width direction;
a is the lap joint width between the inner concrete layers (4) between two adjacent panel units (2);
the b is the lap joint width of the anti-seepage steel plate (5), and the lap joint width between the anti-seepage steel plates (5) between two adjacent panel units (2) is 2 b-a;
the panel unit (2) is prefabricated in a factory, is formed by adopting a vertical mold through pouring, and the anti-seepage steel plate (5) is embedded between the inner mold and the outer mold; the adjacent panel units (2) are overlapped through the inner concrete layer (4), and the anti-seepage steel plates (5) are welded after being overlapped to form anti-seepage steel plate welding seams (9);
the inner concrete layer (4) comprises two structural forms of an inner concrete layer bell mouth (4-1) and an inner concrete layer spigot (4-2), the thickness of the inner concrete layer bell mouth (4-1) and the inner concrete layer spigot (4-2) is 1/2 of the thickness of the inner concrete layer (4), and the lengths of the inner concrete layer bell mouth and the inner concrete layer spigot are equal;
the transverse anchoring pedestal (3) is formed by pouring common silicate concrete in-situ vertical mold, a reinforcing mesh is arranged inside the transverse anchoring pedestal, the transverse anchoring pedestal penetrates through the transition layer and the padding layer of the dam body in sequence and then is fixed on the main rockfill area of the dam body through an anchor rope, and the surface of the transverse anchoring pedestal and the upper surface of the padding layer of the dam body are located in the same plane.
2. The flexible panel construction of claim 1, wherein the flexible panel construction comprises: the inner concrete layer bellmouth (4-1) of the inner concrete layer (4), the anti-seepage steel plate (5) and the transverse anchoring pedestal (3) are all provided with anchoring bolt holes (7) with equal diameters; and an anchoring bolt (8) penetrates through the inside of the anchoring bolt hole (7).
3. A method of constructing a flexible modular panel structure for a panel rock-fill dam as claimed in any one of claims 1 to 2, comprising the steps of:
the method comprises the following steps: after the rockfill of the dam body is filled to a corresponding elevation, a transverse anchoring pedestal (3) is poured by a field formwork erection, sequentially penetrates through a transition layer and a padding layer and then is fixed on a main rockfill area of the dam body, and the fixing mode adopts an anchor rope for fixing;
step two: after the transverse anchoring pedestal (3) reaches the design strength, constructing anchoring bolt holes (7) through a pneumatic handheld drilling machine according to the design aperture, the hole depth and the distance;
step three: vertically pouring a panel unit (2) in a factory, and embedding an impermeable steel plate (5) between an inner die and an outer die for pouring;
step four: after the panel unit (2) reaches the design strength, reserving anchor bolt holes (7) on the panel unit (2) according to the design aperture, number and position, and cutting the inner and outer concrete layers according to the design size;
step five: after finishing the slope finishing of the dam body, transporting the panel unit (2) to a construction site, and carrying out lifting splicing after checking the quality of the panel unit; the lap joint width of the anti-seepage steel plates (5) between the adjacent panel units (2) is 2 b-a; the inner concrete layers (4) between the adjacent panel units (2) are overlapped in a socket joint mode, and the overlapping width is a;
step six: after the four panel units (2) around the anchoring bolt hole (7) are spliced, injecting epoxy resin into a gap surrounded by the inner concrete layer (4) through the anchoring bolt hole (7), and anchoring through the anchoring bolt (8) before the epoxy resin is hardened;
step seven: after sequentially penetrating through the anti-seepage steel plate (5), the inner concrete layer (4) and the reserved anchor bolt hole (7) of the transverse anchor pedestal (3), the anchor bolt (8) fixes the panel unit (2) on the transverse anchor pedestal (3);
step eight: welding the anti-seepage steel plates (5) between the adjacent panel units along the lap joint by adopting electric arc welding to form anti-seepage steel plate welding joints (9), and welding along the outer edges of the anchoring bolts (8);
step nine: after the gaps surrounded by the concrete layers (6) outside the adjacent panel units (2) are washed and roughened, the gaps are filled with the polyvinyl alcohol fiber reinforced ultra-high-toughness cement-based composite material, so that the outer surface of the panel is ensured to be flat.
CN202110218071.9A 2021-02-26 2021-02-26 Assembled flexible panel structure for panel rock-fill dam and construction method Active CN112942259B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10103315A (en) * 1996-09-30 1998-04-21 Nippon Cement Co Ltd Panel holding tool
CN101974894A (en) * 2010-08-23 2011-02-16 清华大学 Combined dam
CN103225285A (en) * 2013-05-11 2013-07-31 天津大学 Steel membrane concrete faced rockfill dam
CN106939586A (en) * 2017-03-10 2017-07-11 武汉大学 A kind of panel construction of CFRD
JP2017197905A (en) * 2016-04-25 2017-11-02 シバタ工業株式会社 Construction method of reinforcement structure for erosion control dam, and reinforcement structure of erosion control dam
CN109629523A (en) * 2018-12-20 2019-04-16 重庆大学 A kind of steel plate and concrete composite panel earth and rockfill dam and its construction method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10103315A (en) * 1996-09-30 1998-04-21 Nippon Cement Co Ltd Panel holding tool
CN101974894A (en) * 2010-08-23 2011-02-16 清华大学 Combined dam
CN103225285A (en) * 2013-05-11 2013-07-31 天津大学 Steel membrane concrete faced rockfill dam
JP2017197905A (en) * 2016-04-25 2017-11-02 シバタ工業株式会社 Construction method of reinforcement structure for erosion control dam, and reinforcement structure of erosion control dam
CN106939586A (en) * 2017-03-10 2017-07-11 武汉大学 A kind of panel construction of CFRD
CN109629523A (en) * 2018-12-20 2019-04-16 重庆大学 A kind of steel plate and concrete composite panel earth and rockfill dam and its construction method

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