CN114481969B - Assembled asphalt concrete panel and assembling method thereof - Google Patents

Assembled asphalt concrete panel and assembling method thereof Download PDF

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Publication number
CN114481969B
CN114481969B CN202210181486.8A CN202210181486A CN114481969B CN 114481969 B CN114481969 B CN 114481969B CN 202210181486 A CN202210181486 A CN 202210181486A CN 114481969 B CN114481969 B CN 114481969B
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China
Prior art keywords
asphalt concrete
concrete panel
main
grooves
transverse
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CN202210181486.8A
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Chinese (zh)
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CN114481969A (en
Inventor
董静
白宇航
刘云贺
李炎隆
宁致远
王琴
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Xian University of Technology
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Xian University of Technology
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Priority to CN202210181486.8A priority Critical patent/CN114481969B/en
Publication of CN114481969A publication Critical patent/CN114481969A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/02Fixed barrages
    • E02B7/04Dams across valleys
    • E02B7/06Earth-fill dams; Rock-fill dams
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/14Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof

Abstract

The invention discloses an assembled asphalt concrete panel, which comprises a plurality of main asphalt concrete panel bodies, wherein the upper surface of each main asphalt concrete panel body is provided with two transverse grooves penetrating through the main asphalt concrete panel body, the upper middle part of each main asphalt concrete panel body is provided with a middle groove communicated with the transverse grooves, the middle groove of each main asphalt concrete panel body is connected with a central protrusion, two longitudinal grooves are formed by the central protrusion and the main asphalt concrete panel body in the direction vertical to the transverse grooves, any two adjacent main asphalt concrete panel bodies along the transverse direction are connected through a clamping block a extending to the transverse grooves, and any two adjacent main asphalt concrete panel bodies along the longitudinal direction are connected through a clamping block b extending to the longitudinal grooves; the asphalt concrete panel obtained by the method has the advantages of flat surface, good stability, strong compression resistance and excellent seepage resistance.

Description

Assembled asphalt concrete panel and assembling method thereof
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to an assembled asphalt concrete panel and an assembling method of the assembled asphalt concrete panel.
Background
With the continuous development of the hydraulic engineering industry, the dams are continuously built at home and abroad, the earth and rock dams occupy a large part, the face rockfill dam is one of the main flows, and the seepage-proofing main body of the face rockfill dam is a face plate. At present, the construction of the face plate rock-fill dam mainly comprises the construction of mixing concrete in situ and then pouring by a slip form, but a plurality of difficulties exist in the construction:
1. the phenomenon of uneven stirring of the concrete mixed on site can occur, the influence of human factors is large, the quality can not be completely ensured, and the seepage prevention and stability performance of the panel can be possibly influenced;
2. the dam has large engineering amount, complex construction site conditions, large preparation, transportation, installation and dismantling workload of concrete materials and corresponding construction tools and high cost;
3. unexpected factors such as rainy season, hot weather and the like need to be considered, and the construction time is limited;
4. the casting process is complex, regional casting is required, and the problems of difficult casting and the like may exist in local areas.
It is therefore one of the problems currently in need to be solved to design a panel that can be installed quickly and has outstanding barrier properties.
Disclosure of Invention
The invention aims to provide an assembled asphalt concrete panel, which can improve the seepage-proofing performance of the asphalt concrete panel.
The invention also aims to provide an assembling method of the assembled asphalt concrete panel, which has the advantages of high concrete construction speed and reduced corresponding construction cost.
The assembled asphalt concrete panel comprises a plurality of main asphalt concrete panel bodies, wherein the upper surface of each main asphalt concrete panel body is provided with two transverse grooves penetrating through the main asphalt concrete panel body, the upper middle part of each main asphalt concrete panel body is provided with a middle groove communicated with the transverse grooves, the middle groove of each main asphalt concrete panel body is connected with a central protrusion, the central protrusion and the main asphalt concrete panel body form two longitudinal grooves in the direction vertical to the transverse grooves, any two adjacent main asphalt concrete panel bodies in the transverse direction are connected through a clamping block a extending to the transverse grooves, and any two adjacent main asphalt concrete panel bodies in the longitudinal direction are connected through a clamping block b extending to the longitudinal grooves.
The invention is also characterized in that:
the middle part of the lower surface of the main asphalt concrete panel body is connected with a rectangular embedded block.
Each clamping block a comprises a transverse connection asphalt concrete panel main body a, two boundary embedded blocks a are formed by forming through grooves in the middle of the surface of the transverse connection asphalt concrete panel main body a, and the two boundary embedded blocks a of the same clamping block a are respectively embedded into the transverse grooves of two adjacent main asphalt concrete panel main bodies.
The transverse connection asphalt concrete panel body a is in the same plane as the central protrusion.
Each clamping block b comprises a transverse connection asphalt concrete panel main body b, two boundary embedded blocks b are formed by arranging through grooves in the middle of the surface of the transverse connection asphalt concrete panel main body b, and the two boundary embedded blocks b of the same clamping block b are respectively embedded into the longitudinal grooves of two adjacent main asphalt concrete panel main bodies.
The transverse connection asphalt concrete panel body b is in the same plane as the central protrusion.
And the gap between the main asphalt concrete panel body and the clamping block a and the clamping block b are filled with horseshoe grease.
The other technical scheme adopted by the invention is that the assembly method of the assembled asphalt concrete panel is implemented according to the following steps:
step 1, arranging transverse grooves and longitudinal grooves on a plurality of main asphalt concrete panel bodies, connecting the transverse grooves and the longitudinal grooves with a central protrusion, and arranging the number of main asphalt concrete panel bodies in rows and columns according to the length and the width of the required assembled asphalt concrete panel;
step 2, a clamping block a is connected in the transverse grooves of two adjacent main asphalt concrete panel bodies, a clamping block b is connected in the radial grooves of two adjacent main asphalt concrete panel bodies, and the installation of other main asphalt concrete panel bodies, the clamping blocks a and the clamping blocks b is sequentially and repeatedly completed;
step 3, filling horseshoe grease between the main asphalt concrete panel body and the clamping blocks a and b;
and 4, heating the surfaces of the main asphalt concrete panel body, the clamping blocks a and b to be not lower than 130 ℃ to obtain the assembled asphalt concrete panel.
The specific process of the step 3 is as follows: the water chestnut grease is added between the main asphalt concrete panel body (9) and the clamping blocks a and b in a heating flowing state.
The invention has the beneficial effects that:
according to the assembled asphalt concrete panel, various conditions can be met during production, quality can be guaranteed, different panels can be integrated better due to the adoption of asphalt concrete, the seepage resistance of the panel can be met, then three panels are mutually spliced to form a whole through the arrangement of the embedded blocks and the grooves by high-temperature heating, the seepage resistance and stability of the panel are greatly improved, the panel is not cast in situ, transportation, installation and detachment of a panel construction tool are not needed to be considered, cost is greatly reduced, and finally problems faced by cast in situ are not needed to be considered, and the problems can be solved by only pre-designing and pre-processing in a factory.
Drawings
FIG. 1 is a schematic view of an assembled asphalt concrete panel structure of the present invention;
FIG. 2 is a schematic view of another view of the assembled asphalt concrete panel of the present invention;
FIG. 3 is a schematic perspective view of a main asphalt concrete panel body according to the present invention;
FIG. 4 is a top view of the main asphalt concrete panel body of the present invention;
FIG. 5 is a side view of a main asphalt concrete panel body of the present invention;
FIG. 6 is a schematic view of the structure of the engaging block a according to the present invention;
FIG. 7 is a schematic view of the structure of the clamping block b in the present invention;
fig. 8 is a connection relationship diagram of a plurality of main asphalt concrete panel bodies according to the present invention.
In the figure, 1, a transverse groove, 2, a longitudinal groove, 3, a rectangular embedded block, 4, a central protrusion, 5, a transverse connection asphalt concrete panel body a,6, a boundary embedded block a,7, a transverse connection asphalt concrete panel body b,8, a boundary embedded block b,9, a main asphalt concrete panel body.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
The assembled asphalt concrete panel comprises a plurality of main asphalt concrete panel bodies 9, as shown in fig. 1 and 2, wherein the upper surface of each main asphalt concrete panel body 9 is provided with two transverse grooves 1 penetrating through the main asphalt concrete panel bodies 9, the upper middle part of each main asphalt concrete panel body 9 is provided with a middle groove communicated with the transverse grooves 1, the middle groove of each main asphalt concrete panel body 9 is connected with a central protrusion 4, the central protrusions 4 and the main asphalt concrete panel bodies 9 form two longitudinal grooves 2 in the direction vertical to the transverse grooves 1, the two longitudinal grooves 2 are communicated with the two transverse grooves 1, the width of each central protrusion 4 is the same as the length of each longitudinal groove 2, when the clamp block a is used, the matching effect of the main asphalt concrete panel bodies 9 and the clamp block a is improved, any two adjacent main asphalt concrete panel bodies 9 along the transverse direction are connected through clamp blocks a extending to the transverse grooves 1, any two adjacent main asphalt concrete panel bodies 9 along the longitudinal direction are connected through clamp blocks b extending to the longitudinal grooves 2, the selected main asphalt concrete panel bodies are greatly softened after the clamp blocks 9 are adhered to form a whole asphalt concrete joint body, and the whole asphalt concrete joint body is greatly fused with the heated after the clamp blocks are heated. The upper surface of the central protrusion 4, the upper surface of the clamping block a and the upper surface of the clamping block b are positioned at the same elevation after the installation is completed, so that the surfaces of the clamping block a5, the clamping block b7 and the central protrusion 4 are positioned at the same elevation, and the surface of the dam body is kept flat.
The transverse grooves 1 and the longitudinal grooves 2 are used for fixing adjacent main asphalt concrete panel bodies 9, and the boundary embedded blocks of the panel bodies are simply insufficient to enable the main asphalt concrete panel bodies 9 to maintain stability, so that the stability of the main asphalt concrete panel bodies 9 is required to be maintained by embedding the transverse fixing clamping blocks a and the longitudinal fixing clamping blocks b into the transverse grooves and the longitudinal grooves.
According to the invention, the main asphalt concrete panel body 9, the clamping blocks a and the clamping blocks b are mutually spliced in a building block mode, then the horseshoe grease is smeared at the gap, the asphalt concrete is heated and softened at high temperature, the cohesiveness is increased, the main panel and the two clamping blocks are mutually adhered, thus the assembled panel is equivalent to a whole, a complete asphalt concrete panel can be formed, and the asphalt concrete panel can be impermeable by virtue of the excellent impermeable performance of the asphalt concrete panel.
The upper surface of the central protrusion 4, the upper surface of the clamping block a and the upper surface of the clamping block b are positioned at the same elevation after the installation is completed, so that the surfaces of the clamping block a5, the clamping block b7 and the central protrusion 4 are positioned at the same elevation, and the surface of the dam body is kept flat. The compression resistance is excellent compression resistance of asphalt concrete, firstly, the rectangular embedded blocks 3 are embedded into the reserved grooves of the dam bedding area to fix the panel, and secondly, friction force generated by embedding the panel and the clamping blocks a and b before each other and bonding force generated by softening the panel after high-temperature heating are adopted.
As shown in fig. 5, the middle part of the lower surface of the main asphalt concrete panel body 9 is connected with a rectangular embedded block 3, the rectangular embedded block 3 is used for fixing the panel, and the rectangular embedded block can be embedded into a groove reserved in the dam cushion area in advance to play a role in fixing the panel, so that the panel is prevented from falling off.
As shown in fig. 6, each clamping block a includes a transverse connection asphalt concrete panel main body a5, through grooves are formed in the middle of the surface of the transverse connection asphalt concrete panel main body a5 to form two boundary embedded blocks a6, the two boundary embedded blocks a6 of the same clamping block a are respectively embedded into the transverse grooves 1 of two adjacent main asphalt concrete panel main bodies 9, the two boundary embedded blocks a6 of the same clamping block a are respectively embedded into the transverse grooves 1 of the two adjacent main asphalt concrete panel main bodies 9, and meanwhile, the through grooves of the clamping block a5 are also embedded into the transverse protruding parts of the edges of the two adjacent main asphalt concrete panel main bodies 9, so that the two adjacent main asphalt concrete panel main bodies 9 are fixed through the principle of concave-convex complementation.
As shown in fig. 7, each clamping block b comprises a transverse connection asphalt concrete panel main body b7, two boundary embedded blocks b8 are formed by forming through concave grooves in the middle of the surface of the transverse connection asphalt concrete panel main body b7, and the two boundary embedded blocks b8 of the same clamping block b are respectively embedded into the longitudinal grooves 2 of two adjacent main asphalt concrete panel main bodies 9, and the fixing principle is the same as above.
After the transverse and longitudinal fixing, the main asphalt concrete panel body 9 is fixed around, so that the stability of the whole main asphalt concrete panel body 9 can be improved.
As shown in fig. 1 and 2, the cross-connecting asphalt concrete deck body a5, the cross-connecting asphalt concrete deck body b7 and the central protrusion 4 are on the same plane, and after the assembly is completed, the dam surface is leveled. The upper surface of the central protuberance 4, the upper surface of the clamping block a and the upper surface of the clamping block b are positioned at the same elevation after the installation is completed, so that the finally formed asphalt concrete panel forms a smooth plane, the seepage-proofing performance of the asphalt concrete panel is enhanced, and the surface of a dam body is kept flat.
The gaps between the main asphalt concrete panel body 9 and the clamping blocks a and b are filled with horseshoe grease, so that the asphalt concrete panel with smooth surface, good stability, strong compression resistance and excellent seepage resistance is formed.
The assembly method of the assembled asphalt concrete panel is implemented according to the following steps:
step 1, arranging transverse grooves 1 and longitudinal grooves 2 on a plurality of main asphalt concrete panel bodies 9, connecting a central protrusion 4 and rectangular embedded blocks 3 to form a structure shown in figure 3, and arranging the number of main asphalt concrete panel bodies 9 in rows and columns according to the length and the width of the required assembled asphalt concrete panel;
step 2, as shown in fig. 8, taking a transverse connection asphalt concrete panel body a5, respectively embedding two boundary embedded blocks a6 into transverse grooves 1 of two adjacent main asphalt concrete panel bodies 9, taking a transverse connection asphalt concrete panel body b7, respectively connecting the two boundary embedded blocks into radial grooves 2 of the two adjacent main asphalt concrete panel bodies 9, sequentially and repeatedly completing the installation of other main asphalt concrete panel bodies 9 and the transverse connection asphalt concrete panel body a5 and the transverse connection asphalt concrete panel body b7, and enabling the transverse connection asphalt concrete panel body a5, the transverse connection asphalt concrete panel body b7 and the central protrusion 4 to be on the same plane;
step 3, the specific process of the step 3 is as follows: the water chestnut grease is added between the main asphalt concrete panel body 9 and the clamping blocks a and b, namely between the main asphalt concrete panel body 9 and the transverse connection asphalt concrete panel body a5 and the transverse connection asphalt concrete panel body b7, and the tightness between the main asphalt concrete panel body 9 and the transverse connection asphalt concrete panel body a5 and the transverse connection asphalt concrete panel body b7 is improved through the water chestnut grease;
and 4, heating the surfaces of the main asphalt concrete panel body 9 and the clamping blocks a and b to be not lower than 130 ℃, and softening the main asphalt concrete panel body 9 and the clamping blocks a and b to form a whole, namely the assembled asphalt concrete panel.
Through the mode, various conditions can be met during production, quality can be guaranteed, different panels can be integrated better due to the adoption of asphalt concrete, seepage resistance of the panels can be met, then three panels are mutually spliced to form a whole through the arrangement of the embedded blocks and the grooves by high-temperature heating, seepage resistance and stability of the panels are greatly improved, the panels are not cast in situ, transportation, installation and dismantling of panel construction tools are not needed to be considered, cost is greatly reduced, and finally various problems faced by cast in situ are not needed to be considered, and the problems can be solved by pre-designing and pre-processing in a factory.

Claims (5)

1. The assembled asphalt concrete panel is characterized by comprising a plurality of main asphalt concrete panel bodies (9), wherein two transverse grooves (1) penetrating through the main asphalt concrete panel bodies (9) are formed in the upper surface of each main asphalt concrete panel body (9), a middle groove communicated with the transverse grooves (1) is formed in the middle of each main asphalt concrete panel body (9), a central protrusion (4) is connected in the middle groove of each main asphalt concrete panel body (9), two longitudinal grooves (2) are formed in the direction perpendicular to the transverse grooves (1) by the central protrusions (4) and the main asphalt concrete panel bodies (9), any two adjacent main asphalt concrete panel bodies (9) in the transverse direction are connected through clamping blocks a extending to the transverse grooves (1), and any two adjacent main asphalt concrete panel bodies (9) in the longitudinal direction are connected through clamping blocks b extending to the longitudinal grooves (2);
each clamping block a comprises a transverse connection asphalt concrete panel main body a (5), two boundary embedded blocks a (6) are formed by penetrating grooves in the middle of the surface of the transverse connection asphalt concrete panel main body a (5), and the two boundary embedded blocks a (6) of the same clamping block a are respectively embedded into transverse grooves (1) of two adjacent main asphalt concrete panel main bodies (9);
the transverse connection asphalt concrete panel main body a (5) and the central protuberance (4) are arranged on the same plane;
each clamping block b comprises a transverse connection asphalt concrete panel main body b (7), two boundary embedded blocks b (8) are formed by penetrating grooves in the middle of the surface of the transverse connection asphalt concrete panel main body b (7), and the two boundary embedded blocks b (8) of the same clamping block b are respectively embedded into longitudinal grooves (2) of two adjacent main asphalt concrete panel main bodies (9);
the transverse connection asphalt concrete panel body b (7) and the central protrusion (4) are on the same plane.
2. The assembled asphalt concrete panel according to claim 1, wherein the middle part of the lower surface of the main asphalt concrete panel body (9) is connected with a rectangular embedded block (3).
3. The assembled asphalt concrete panel according to claim 1, wherein the gaps between the main asphalt concrete panel body (9) and the clamping blocks a and b are filled with horseshoe grease.
4. The method of assembling a fabricated asphalt concrete panel of claim 1, wherein the method is performed in particular by:
step 1, arranging transverse grooves (1) and longitudinal grooves (2) on a plurality of main asphalt concrete panel bodies (9), connecting the transverse grooves and the longitudinal grooves with a central protrusion (4), and arranging the number of main asphalt concrete panel bodies (9) in rows and columns according to the length and the width of the required assembled asphalt concrete panel;
step 2, a clamping block a is connected in the transverse grooves (1) of two adjacent main asphalt concrete panel bodies (9), a clamping block b is connected in the longitudinal grooves (2) of two adjacent main asphalt concrete panel bodies (9), and the installation of other main asphalt concrete panel bodies (9), the clamping blocks a and the clamping blocks b is sequentially and repeatedly completed;
step 3, filling horseshoe grease between the main asphalt concrete panel body (9) and the clamping blocks a and b;
and 4, heating the surfaces of the main asphalt concrete panel body (9), the clamping blocks a and b to more than 130 ℃ to obtain the assembled asphalt concrete panel.
5. The method for assembling an assembled asphalt concrete panel according to claim 4, wherein the specific process of step 3 is as follows: the water chestnut grease is added between the main asphalt concrete panel body (9) and the clamping blocks a and b in a heating flowing state.
CN202210181486.8A 2022-02-25 2022-02-25 Assembled asphalt concrete panel and assembling method thereof Active CN114481969B (en)

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CN114481969B true CN114481969B (en) 2023-08-15

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Citations (6)

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JP2000160533A (en) * 1998-11-30 2000-06-13 Toa Harbor Works Co Ltd Gently inclined stairs block and method for forming gently inclined revetment using it
JP2006037641A (en) * 2004-07-29 2006-02-09 Matsuoka Concrete Industry Co Ltd Aquatic ecosystem restoring block and its placement structure
CN212715012U (en) * 2020-02-24 2021-03-16 中铁第四勘察设计院集团有限公司 High tenon foundation gravity retaining wall
CN112982300A (en) * 2021-02-01 2021-06-18 中国电建集团华东勘测设计研究院有限公司 Seepage-proofing and drainage connecting structure for asphalt concrete face plate of reservoir bank and geomembrane at reservoir bottom and construction method
KR102299784B1 (en) * 2020-11-10 2021-09-08 주식회사동일기술공사 Precast concrete panel having heating module and black ice preventive road packing method using this same
CN215289551U (en) * 2021-07-15 2021-12-24 吴江颐荣建设工程有限公司 Novel asphalt concrete composite pavement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000160533A (en) * 1998-11-30 2000-06-13 Toa Harbor Works Co Ltd Gently inclined stairs block and method for forming gently inclined revetment using it
JP2006037641A (en) * 2004-07-29 2006-02-09 Matsuoka Concrete Industry Co Ltd Aquatic ecosystem restoring block and its placement structure
CN212715012U (en) * 2020-02-24 2021-03-16 中铁第四勘察设计院集团有限公司 High tenon foundation gravity retaining wall
KR102299784B1 (en) * 2020-11-10 2021-09-08 주식회사동일기술공사 Precast concrete panel having heating module and black ice preventive road packing method using this same
CN112982300A (en) * 2021-02-01 2021-06-18 中国电建集团华东勘测设计研究院有限公司 Seepage-proofing and drainage connecting structure for asphalt concrete face plate of reservoir bank and geomembrane at reservoir bottom and construction method
CN215289551U (en) * 2021-07-15 2021-12-24 吴江颐荣建设工程有限公司 Novel asphalt concrete composite pavement

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* Cited by examiner, † Cited by third party
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沥青混凝土面板防渗在龙王塘水库混凝土坝体防渗中的应用;迟颖;《水利建设与管理》;第28-30页 *

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