Mortise and tenon structure arch bridge model

Abstract

The invention belongs to the field of bridge models, and particularly relates to a mortise and tenon structure arch bridge model. The model comprises a bridge abutment, a bridge arch, a bridge floor, a pull rod assembly and a tower, and the bridge abutment is fixed to a bottom plate through tight mortise and tenon connection of all components and cylindrical dowels to form stable support; the bridge arch is formed by connecting a top arch and a side arch through a special tenon-and-mortise structure and a reinforcing piece, and is provided with a wind brace and an arch inclined strut to enhance the stability; a bridge deck slab of the bridge deck is connected with a human-shaped pavement slab through a dovetail joint, a short clamping piece and the like; the pull rod assembly strengthens connection between the bridge arch and the bridge floor. The tower has the functions of decoration and supporting. The tenon-and-mortise design integrating degree of all parts is high, the model is convenient to assemble, the mechanical property of the arch bridge is effectively restored, the manufacturing efficiency can be improved, and the model has the cultural connotation.

Description

Technical Field

[0001] The invention belongs to the field of bridge models, in particular to a mortise and tenon structure arch bridge model. Background Art

[0002] In the field of architectural models, the production of arch bridge models has always attracted much attention. The previous arch bridge model assembly technologies mainly fall into the following categories:

[0003] The first is to use simple splicing parts as the main method. This type of model is usually assembled with simple plastic or wooden connectors. Its disadvantages are obvious. The fit of the splicing parts is poor, and it is difficult for the components to be tightly combined during the assembly process, resulting in a loose overall structure of the model, which cannot accurately present the mechanical structure and stable form of the arch bridge. Moreover, after a slight vibration or multiple handling, the model is very easy to fall apart, seriously affecting its display and use effect.

[0004] The second method is to partially use glue to stick. Although glue can temporarily fix the parts to a certain extent, the quality and durability of the glue are difficult to guarantee. Over time, the glue will deteriorate and lose its stickiness, causing the model parts to fall off and unable to maintain their original shape and structure. At the same time, the use of glue may also cause the surface of the model to be uneven and have stains, reducing the beauty and refinement of the model.

[0005] Third, there are some attempts to use simple mortise and tenon structures, but these traditional mortise and tenon structures are relatively rough in design. The dimensional accuracy of the tenons and mortises is not high, and the fit is not tight enough. It takes a lot of time to adjust and correct during assembly, and the assembly efficiency is low. In addition, when faced with complex arch bridge structures, it cannot provide sufficient connection strength and stability, and it is difficult to achieve the mechanical support effect like a real arch bridge, and it cannot meet the requirements for high precision and high stability of the arch bridge model.

[0006] In summary, the existing arch bridge model assembly technology is difficult to balance structural stability, assembly convenience and cultural craftsmanship. Therefore, a new mortise and tenon structure arch bridge model is needed, which has important practical significance. Summary of the invention

[0007] In order to solve the above technical problems, the present invention provides a mortise and tenon structure arch bridge model. This model utilizes a variety of mortise and tenon structures and connectors to splice abutments, bridge arches, and bridge decks to form an arch bridge model. The model is easy to assemble and has strong stability.

[0008] In order to achieve the above objectives, the present invention specifically adopts the following technical means:

[0009] A mortise and tenon structure arch bridge model, comprising: an abutment, a bridge arch, a bridge deck, a tie rod assembly and a tower; the bridge arch is connected to the abutment through a mortise and tenon structure; the bridge deck is clamped on the abutment; the tie rod assembly is used to connect the bridge arch and the bridge deck to improve the integrity of the model; the bridge deck comprises a bridge deck and a pedestrian walkway panel; the bridge decks are connected by dovetail tenons to form an integral bridge deck; the sides of the bridge deck are connected to the pedestrian walkway panels by short clamps; the pedestrian walkway panels are embedded and connected by triangular connectors to form a continuous pedestrian walkway panel structure.

[0010] Furthermore, the abutment includes a base, a column, a crossbeam and a curved rod; the first crossbeam is connected to the mortise of the first column through its tenon, and the bottom tenon of the first column is inserted into the mortise of the base; the first diagonal brace connects the curved rod and the abutment through the tenon, and the tenon of the curved rod is inserted into the mortise at the top of the first column and combined with the abutment pier.

[0011] Furthermore, it also includes a second crossbeam, a second column and a second diagonal brace. The second crossbeam is connected to the mortise of the second column through its tenon, and the second diagonal brace is connected to the second crossbeam and the base through the tenon.

[0012] Furthermore, a longitudinal connecting rod is also provided in the abutment, and the longitudinal connecting rod includes a longitudinal beam and a vertical member. The concave connecting structure of the longitudinal beam is engaged with the cross groove of the second column, and the tenon of the vertical member is respectively inserted into the mortise of the side arch and the curved rod.

[0013] Furthermore, the bridge arch includes a top arch and a side arch; the top arch is connected to the side arch through a first wedge-nail-tenon structure and a second wedge-nail-tenon structure to form an integral main arch structure, and the diamond-shaped dowels are inserted into the diamond-shaped tenon holes of the main arch structure to enhance the splicing strength and stability of the bridge arch.

[0014] Furthermore, wind braces and arch diagonal braces are installed between the main arch structures. The wind braces are connected to the mortises on the sides of the main arch structures through tenons. Arch diagonal braces are also provided at the connection between the bridge arch and the abutment pier. The tenons of the arch diagonal braces are respectively inserted into the mortises of the bridge arch and the abutment pier to enhance the overall torsional stability of the arch bridge.

[0015] Furthermore, the pedestrian walkway panel includes a first pedestrian walkway panel and a second pedestrian walkway panel, wherein the first pedestrian walkway panel is connected to the tie rod panel via a ladder column connector; both ends of the tie rod are obliquely embedded in the connecting holes of the tie rod panel and the bridge arch to form a stable connection structure between the bridge deck and the bridge arch.

[0016] Furthermore, the first cross beam is protruded with a long clamp, and the bridge deck is fixed to the abutment through mortise and tenon joints, thereby achieving a stable connection between the bridge deck and the abutment.

[0017] Furthermore, the tower is inserted into the base plate through cylindrical dowels and combined with the structural frame of the abutment to form an integrally decorated tower structure.

[0018] The present invention has the following beneficial technical effects:

[0019] In the present invention, the tight tenons and mortises between the cross beams, columns, bases, curved rods, and diagonal braces in the assembly of the abutments, as well as the use of cylindrical dowels to fix the abutments and the bottom plate, form an extremely stable bottom support structure that can effectively withstand the weight of the model itself and slight external interference, avoid the looseness or deformation of the model, and highly restore the mechanical properties of the arch bridge. In the arch part, the wedge-nail-tenon structure and diamond-shaped dowel reinforcement of the top arch and the side arch, combined with the tenon joints of the wind brace and the arch diagonal brace, greatly enhance the stability of the main arch structure, so that it can maintain its complete shape during display or transportation, and accurately present the load-bearing principle of the arch bridge.

[0020] The mortise and tenon design of each component has good guidance and fit, which reduces the adjustment time during assembly compared to the traditional rough mortise and tenon structure. The dovetail joints and strip clips between the bridge panels, the grooves and connectors of the pedestrian walkway panels, etc. are simple and intuitive to operate, allowing operators to quickly complete assembly and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the splicing of the crossbeam, column and base in the invention;

[0022] Figure 2 It is a schematic diagram of the splicing of the curved rod in the invention;

[0023] Figure 3 It is a schematic diagram of the splicing of the cap in the invention;

[0024] Figure 4 It is a schematic diagram of the splicing of the abutments in the invention;

[0025] Figure 5 It is a schematic diagram of the splicing of the abutment and the bottom plate in the invention;

[0026] Figure 6 It is a schematic diagram of the splicing of a single-side arch structure in the invention;

[0027] Figure 7 It is a schematic diagram of the splicing of the main arch structure in the invention;

[0028] Figure 8 It is a schematic diagram of the splicing of the main arch structure and the abutment in the invention;

[0029] Fig. 9 It is a schematic diagram of the splicing of the longitudinal connecting parts in the invention;

[0030] Fig.10 It is a schematic diagram of the bridge deck splicing in the invention;

[0031] Fig.11 It is a schematic diagram of the splicing of the bridge deck and the abutment in the invention;

[0032] Fig.12 It is a schematic diagram of the splicing of the bridge deck and the pedestrian walkway deck in the invention;

[0033] Fig.13 It is a schematic diagram of the splicing of the bridge deck and another humanoid road deck in the invention;

[0034] Fig.14 It is a schematic diagram of the splicing of the fence and the human-shaped road panel in the invention;

[0035] Fig.15 It is a schematic diagram of the splicing of the pull rod panel and the human-shaped road panel in the invention;

[0036] Fig.16 It is a schematic diagram of the splicing of the tie rod, tie rod panel and main arch structure in the invention;

[0037] Fig.17 It is a schematic diagram of the splicing of the tower and the base plate in the invention;

[0038] Fig.18 It is a structural diagram of the overall model of the invention.

[0039] Numbers in the figure:

[0040] 10, abutment; 100, first cross beam; 1000, long clamp; 101, column; 102, base; 103, curved rod; 104, curved rod connecting rod; 105, first diagonal brace; 106, capping platform; 1060, capping platform pier; 107, second cross beam; 108, second column; 1080, cross groove; 109, second diagonal brace;

[0041] 20, bridge arch; 200, main arch structure; 201, top arch; 2010, first wedge-nail-tenon structure; 202, side arch; 2020, second wedge-nail-tenon structure; 203, diamond-shaped tenon; 204, wind brace; 205, arch diagonal brace;

[0042] 30, bridge deck; 300, bridge deck; 301, longitudinal beam; 3010, concave connection structure; 302, vertical member; 303, strip clamp; 304, first human-shaped walkway panel; 3040, first curved groove; 305, second human-shaped walkway panel; 3050, second curved groove; 306, short clamp; 307, trapezoidal slot; 308, dovetail tenon;

[0043] 400, tie rod panel; 401, ladder column connector; 402, tie rod;

[0044] 50, tenon; 60, mortise; 70, cylindrical dowel; 80, base plate; 90, fence; DETAILED DESCRIPTION

[0045] The present invention is further described in detail below with reference to the accompanying drawings and specific examples. It should be noted that the accompanying drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the present invention. The above is only a description of the preferred embodiment of the present invention, and is not any limitation of the present invention. Any changes and modifications made by ordinary technicians in the field of the present invention based on the above disclosure are within the scope of protection of the claims.

[0046] See also Figure 1 , where the first crossbeam 100, the first column 101 and the base 102 are closely matched. The tenon 50 of the first crossbeam 100 is precisely inserted into the mortise 60 of the first column 101. This close fit ensures the high stability of the vertical connection between the crossbeam and the column, laying a solid foundation for the subsequent structure construction. The tenon 50 at the bottom of the first column is also embedded in the mortise 60 of the base 102, successfully constructing the basic support frame at the bottom of the abutment, so that it has a strong initial load bearing capacity, effectively ensuring the bottom stability of the entire model.

[0047] See also Figure 2 The tenons 50 at both ends of the curved rod are accurately inserted into the mortise 60 at the top of the first column 101 and the mortise 60 of the abutment 1060, respectively, and the abutment forms an arched support structure, which greatly enhances the bending resistance of the structure. The tenon 50 of the curved rod connecting rod 104 is closely connected with the mortise 60 of the curved rod 103, ensuring the high precision of the splicing between the curved rods and the smoothness of the curve, so that the entire arched structure can evenly disperse the pressure when subjected to force, significantly improving the bearing efficiency and stability of the structure.

[0048] See also Figure 3 and 4 The bottom of the abutment 106 is the abutment pier 1060, and the setting of the abutment pier 1060 significantly enhances the stability of the abutment. The tenons 50 at both ends of the first diagonal brace 105 are embedded in the bent rod 103 and the mortise 60 of the abutment to form a stable diagonal support system, which effectively resists external torque, greatly improves the torsional rigidity of the overall structure, and ensures that the abutment remains stable under complex stress environments; the second crossbeam 107 is connected to the mortise 60 of the second column 108 through its tenon 50, and the second diagonal brace 109 connects the second crossbeam 107 and the abutment 106 through the tenon 50.

[0049] See also Figure 5The various parts of the abutment are seamlessly connected through the mortise and tenon structure and are tightly integrated. The cylindrical dowel 70 firmly fixes the tenon hole of the abutment to the base plate 80. The base plate, as a solid foundation support platform, is closely connected to the abutment through the mortise and tenon connection, providing a stable bottom support for the entire model and effectively preventing the model from shifting or shaking during use. The cylindrical dowels 70 are evenly distributed at the connection part of the base plate, and their precise matching with the tenon holes makes the combination between the abutment and the base plate extremely tight.

[0050] See also Figure 6 The top arch 201 and the side arch 202 are tightly integrated with the first wedge-pin-tenon structure 2010 and the second wedge-pin-tenon structure 2020 to form a curved main arch structure. The connection between the top arch and the side arch is reinforced by diamond-shaped dowels 203, which enhances the strength of the splicing part and ensures that the main arch structure remains stable when subjected to heavy pressure, effectively improving the overall load-bearing performance of the arch bridge.

[0051] Next Figure 7 The main arch structure includes top arch 201, side arch 202, wind brace 204 and arch diagonal brace 205. The tenon 50 of the wind brace is inserted into the mortise 60 of the main arch, successfully constructing a mesh support system that can effectively disperse the forces inside and outside the main arch and enhance the stability of the main arch structure. The arch diagonal brace further strengthens the lateral stability of the main arch, allowing it to remain stable when facing lateral forces, ensuring the safety and reliability of the overall structure of the arch bridge.

[0052] See also Figure 8 The tenon 50 of the main arch structure 200 is precisely inserted into the mortise 60 of the pier 1060, forming a stable transverse and longitudinal support system, effectively transmitting and dispersing the load of the bridge arch. At the same time, the close combination of the arch brace 205 and the pier significantly improves the torsion resistance of the arch bridge model.

[0053] See also Fig. 9 The concave connection structure 3010 of the longitudinal beam 301 is engaged with the cross groove 1080 of the second column 108, successfully constructing a longitudinal support frame of the overall bridge deck structure. This stable connection method ensures the stability and linearity of the bridge deck structure in the longitudinal direction, effectively preventing deformation or displacement of the model bridge deck.

[0054] See also Fig.10 and 11The bridge decks are spliced ​​together by dovetail joints 308. The unique shape of dovetail joints 308 makes the connection between the bridge decks tight and firm. In addition, the strip clips 303 are inserted into the grooves on the sides of the bridge decks, further enhancing the stability of the connection between the bridge decks, ensuring the flatness and integrity of the bridge deck, and effectively improving the bearing capacity and durability of the bridge deck. The groove on the back of the bridge deck matches the long clip 1000 of the first crossbeam, and the long clip is tightly fixed to the abutment, realizing a seamless connection between the bridge deck and the abutment.

[0055] See also Fig.12 The groove of the first humanoid road panel 304 is cleverly combined with the short clip 306 and the round dowel 70 to be firmly fixed to the side of the bridge deck 300. This design not only meets the functional requirements of the humanoid road, but also improves the overall visual effect of the bridge deck, making the model more realistic and beautiful.

[0056] See also Fig.13 and 14 The second humanoid panel 305 is precisely embedded in the groove of the first humanoid panel 304 through the triangular connector 3050, successfully building a complete humanoid system. The stability of the triangular connector effectively enhances the stability of the humanoid panel. The tenon at the bottom of the fence is accurately inserted into the groove of the humanoid panel to achieve a stable fixation.

[0057] See also Fig.15 The tie rod panel 400 is tightly connected to the pedestrian walkway panel through the ladder column connector 401, ensuring that the pedestrian walkway structure and the bridge deck can be coordinated when subjected to force. This effectively improves the tensile strength of the overall structure and enhances the stability of the model when subjected to tension.

[0058] See also Fig.16 The ends of the tie rods are precisely embedded in the tie rod connection holes, which are oblique holes. Through the transmission of longitudinal and transverse tension, a tight connection between the arch and the bridge deck is achieved. This connection method further enhances the overall strength of the arch bridge model, allowing the arch bridge to remain stable under various working conditions.

[0059] See also Fig.17 and 18 The tenons of the tower are inserted into the tenons of the bottom plate, and are harmoniously unified with the surrounding decorative parts to form an organic whole. The abutment 10, the bridge arch 20, the bridge deck 30 and the decorative structure support and cooperate with each other, showing the efficient combination of traditional mortise and tenon craftsmanship and the mechanical characteristics of the arch bridge structure, and providing a practical example for the field of architectural models.

[0060] See also Figures 1 to 18 The assembly of this model mainly includes the following steps:

[0061] 1. Assembly of abutments

[0062] (1) Prepare a bridge abutment assembly, including a first cross beam 100, a first column 101, a base 102, a curved rod 103, a curved rod connecting rod 104, a first diagonal brace 105, and a cap 106.

[0063] (2) The tenon 50 of the first cross beam 100 is inserted into the mortise 60 of the first column 101 to fix it.

[0064] (3) Connect the tenon 50 at the bottom of the first column 101 with the mortise 60 of the base 102 to complete the basic support structure.

[0065] (4) The tenon 50 of the curved rod 103 is respectively inserted into the mortise 60 of the first column 101 and the mortise 60 of the abutment 1060 to form an arc-shaped structure of the abutment.

[0066] (5) The tenon 50 of the curved rod connecting rod 104 is used to connect the mortise 60 between the two curved rods 103 to form a transverse connection.

[0067] (6) The tenons 50 at both ends of the first diagonal brace 105 are respectively inserted into the mortises 60 of the curved rod 103 and the pedestal 106 to enhance the stability of the abutment structure.

[0068] (7) Finally, the abutment 10 is fixed to the base plate 80 by cylindrical dowels 70 to complete the abutment assembly.

[0069] 2.Assembly of bridge arches

[0070] (1) The first wedge-nail-tenon structure 2010 of the top arch 201 is connected with the second wedge-nail-tenon structure 2020 of the side arch 202 to form the main arch structure 200.

[0071] (2) Insert diamond-shaped dowels 203 into the diamond-shaped dowel holes of the main arch structure 200 to enhance the firmness of the splicing.

[0072] (3) Insert the tenon 50 of the wind brace 204 into the mortise 60 on the side of the main arch structure 200 to complete the connection between the main arches.

[0073] (4) The tenons 50 of the arch brace 205 are inserted into the mortises 60 of the wind brace 204 and the side arch 202 respectively to enhance the stability of the bridge arch structure.

[0074] (5) Insert the tenons 50 of the main arch structure 200 and the arch brace 205 into the mortises 60 of the pier 1060 to complete the assembly of the bridge arch.

[0075] 3. Bridge deck assembly

[0076] (1) Prepare longitudinal connectors, bridge deck 300 and related connection components.

[0077] (2) The inner concave connection structure 3010 of the longitudinal beam 301 is matched and connected with the cross groove 1080 of the second column 108 .

[0078] (3) The bridge deck panels 300 are connected by dovetail joints 308 and fixed in the grooves on the sides of the bridge deck panels 300 by strip clips 303 to form an integral bridge deck structure.

[0079] (4) The back side of the bridge deck 300 is clipped onto the long clip 1000 of the first cross beam 100 to ensure that the bridge deck 300 is fixed on the abutment 10 .

[0080] (5) Finally, the bridge deck 300 is connected to the first pedestrian walkway panel 304 by means of the short clip 306 .

[0081] 4. Assembly of humanoid road panels

[0082] (1) The groove of the first pedestrian walkway panel 304 is spliced ​​and fixed to the bridge panel 300 through the short clamp 306;

[0083] (2) The triangular connector 3050 of the second humanoid walkway panel 305 is embedded into the groove of the first humanoid walkway panel 304 to complete the overall humanoid walkway structure;

[0084] (3) A fence 90 is inserted on the first pedestrian panel 304 to form a decorative and safety structure on both sides of the arch bridge.

[0085] 5. Assembly of the tie rod assembly

[0086] (1) A trapezoidal slot 307 is provided at the connecting part of the manhole panel, and the tie rod panel 400 is spliced ​​between the manhole panels through the ladder column connector 401;

[0087] (2) Insert both ends of the tie rod 402 into the corresponding tie rod connection holes of the main arch structure 200 and the bridge deck 30 to complete the reinforcement of the overall structure of the arch bridge.

[0088] 6. Tower assembly

[0089] (1) Insert the tenon of the tower into the tenon hole of the base plate 80;

[0090] (2) Ensure that the tower components are evenly distributed around the arch bridge and complete the splicing of the decorative structure.

[0091] 7. Overall inspection

[0092] (1) Check whether the mortise and tenon joints are firm and whether all parts are fully fitted;

[0093] (2) The stability and strength of the assembled arch bridge model can be tested to ensure that it meets the design requirements.

Claims

1. A mortise and tenon structure arch bridge model, characterized in that: include: A bridge abutment (10), a bridge arch (20), a bridge deck (30), a tie rod assembly and a tower; the bridge arch (20) is connected to the bridge abutment (10) through a mortise and tenon structure; the bridge deck (30) is clamped on the bridge abutment (10); the tie rod assembly is used to connect the bridge arch (20) and the bridge deck (30) to improve the integrity of the model; the bridge deck (30) includes a bridge panel (300) and a pedestrian walkway panel; the bridge panels (300) are connected to each other through dovetail joints (308) to form an integral bridge deck; the side of the bridge panel (300) is connected to the pedestrian walkway panel through a short clamp (306); the pedestrian walkway panels are embedded and connected through triangular connectors (3050) to form a continuous pedestrian walkway panel structure.

2. The mortise and tenon structure arch bridge model according to claim 1, characterized in that: The abutment (10) comprises a base (102), a column, a crossbeam and a curved rod (103); the first crossbeam (100) is connected to the mortise (60) of the first column (101) through its tenon (50), and the bottom tenon (50) of the first column (101) is inserted into the mortise (60) of the base (102); the first diagonal brace (105) connects the curved rod (103) and the pedestal (106) through the tenon (50), and the tenon (50) of the curved rod (103) is inserted into the mortise (60) at the top of the first column (101) and combined with the pedestal pier (1060).

3. The mortise and tenon structure arch bridge model according to claim 2, characterized in that: It also includes a second crossbeam (107), a second column (101) and a second diagonal brace (109), wherein the second crossbeam (107) is connected to the mortise (60) of the second column (108) via its tenon (50), and the second diagonal brace (109) connects the second crossbeam (107) and the support platform (106) via the tenon (50).

4. The mortise and tenon structure arch bridge model according to claim 2, characterized in that: The abutment (10) is also provided with a longitudinal connecting rod, which includes a longitudinal beam (301) and a vertical member (302). The concave connecting structure (3010) of the longitudinal beam (301) is engaged with the cross groove (1080) of the second column (108), and the tenon (50) of the vertical member (302) is respectively inserted into the mortise (60) of the side arch (202) and the curved rod (103).

5. The mortise and tenon structure arch bridge model according to claim 1, characterized in that: The bridge arch (20) comprises a top arch (201) and a side arch (202); the top arch (201) is connected to the side arch (202) through a first wedge-pin-tenon structure (2010) and a second wedge-pin-tenon structure (220) to form an integral main arch structure (200); the diamond-shaped tenon is inserted into the diamond-shaped tenon hole of the main arch structure (200) to enhance the splicing strength and stability of the bridge arch.

6. The mortise and tenon structure arch bridge model according to claim 1, characterized in that: A wind brace (204) and an arch diagonal brace (205) are installed between the main arch structures (200). The wind brace (204) is connected to the mortise (60) on the side of the main arch structure (200) through a tenon. An arch diagonal brace (205) is also provided at the connection between the bridge arch (20) and the pedestal pier (1060). The tenons (50) of the arch diagonal brace (205) are respectively inserted into the mortises of the bridge arch (20) and the pedestal pier (1060) to enhance the torsional stability of the arch bridge as a whole.

7. The mortise and tenon structure arch bridge model according to claim 1, characterized in that: The pedestrian walkway panel comprises a first pedestrian walkway panel (304) and a second pedestrian walkway panel (305); the first pedestrian walkway panel (304) is connected to the tie rod panel (400) via a ladder column connector (401); both ends of the tie rod (402) are obliquely embedded in the connection holes of the tie rod panel (400) and the bridge arch (20), forming a stable connection structure between the bridge deck and the bridge arch.

8. The mortise and tenon structure arch bridge model according to claim 2, characterized in that: The first cross beam (100) is protruded with a long clamp (1000), and the bridge deck (300) is fixed on the abutment through mortise and tenon joints, thereby achieving a stable connection between the bridge deck and the abutment.

9. The mortise and tenon structure arch bridge model according to claim 1, characterized in that: The tower is inserted into the base plate (80) through cylindrical dowels (70) and combined with the structural frame of the abutment (10) to form an integrally decorated tower structure.

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