阅读说明：本技术 一种龟甲仿生的拱结构及其制造方法 (Tortoise shell bionic arch structure and manufacturing method thereof ) 是由 周建庭 秦煜 侯居光 雍家宝 辛景舟 杨俊� 张洪 王威娜 于 2021-09-22 设计创作，主要内容包括：本发明公开了一种龟甲仿生的拱结构及其制造方法。该龟甲仿生的拱结构包括底板和横截面呈弧形的顶板,所述顶板的两侧通过腹板与底板相连,形成其横断面轮廓呈龟甲型的主拱圈,所述主拱圈内还贯穿布置有对顶板提供支撑连接的支撑构件。利用呈弧形的顶板两侧通过腹板与底板连接,使得顶板、腹板以及底板三者连接形成主拱圈,该主拱圈的端面轮廓呈龟甲型,这样设计,具有构造新颖美观、形式简单、受力模式明确、制造方便等优势；在主拱圈内贯穿有支撑构件,支撑构件与顶板连接,通过支撑构件能够承担顶板的荷载,增加顶板承载能力,提高拱结构整体的抗压能力。(The invention discloses a tortoise shell bionic arch structure and a manufacturing method thereof. The bionic tortoise shell arch structure comprises a bottom plate and a top plate with an arc-shaped cross section, wherein two sides of the top plate are connected with the bottom plate through a web plate to form a main arch ring with a tortoise shell-shaped cross section, and a supporting member for supporting and connecting the top plate is arranged in the main arch ring in a penetrating manner. The two sides of the arc-shaped top plate are connected with the bottom plate through the webs, so that the top plate, the webs and the bottom plate are connected to form a main arch ring, and the end face contour of the main arch ring is in a tortoise shell shape, so that the design has the advantages of novel and attractive structure, simple form, clear stress mode, convenience in manufacturing and the like; the supporting members penetrate through the main arch ring and are connected with the top plate, the load of the top plate can be borne through the supporting members, the bearing capacity of the top plate is improved, and the overall compression resistance of the arch structure is improved.)

1. The utility model provides a bionical hunch structure of tortoise shell, its characterized in that includes bottom plate (3) and transversal curved roof (1) of personally submitting, the both sides of roof (1) link to each other with bottom plate (3) through web (2), form the main arch ring that its cross sectional profile is the tortoise shell type, it has the supporting component who provides support connection to roof (1) still to run through in the main arch ring to arrange.

2. The turtle shell bionic arch structure according to claim 1, wherein the supporting member is an axillary column plate (4) arranged in the middle of the cross section, and two sides of the axillary column plate (4) are respectively connected with two sides of the top plate (1).

3. The turtle shell bionic arch structure of claim 1, wherein the supporting member is a vertebral rod (5) arranged at the center of the main arch ring, the upper surface of the vertebral rod (5) is provided with two rib rods (6), and the end parts of the rib rods (6) far away from the vertebral rod (5) are connected with the inner side of the top plate (1).

4. The turtle shell bionic arch structure according to claim 3, wherein the rib rods (6) are obliquely arranged, and the two rib rods (6) are integrally connected with the vertebral rod (5) to form a V shape.

5. The turtle shell bionic arch structure of claim 1, wherein the supporting member is a vertebral rod (5) arranged at the center of the main arch ring, a plurality of groups of supporting components are arranged on the vertebral rod (5) and distributed at intervals along the axis direction, each supporting component comprises two rib rods (6) arranged on the upper surface of the vertebral rod (5), axillary column plates (4) are respectively arranged on two sides of the vertebral rod (5), the end parts, far away from the vertebral rod (5), of the rib rods (6) are connected with the inner side of the top plate (1), and the side surfaces, far away from the vertebral rod (5), of the two axillary column plates (4) are respectively connected with the positions on two sides of the top plate (1).

6. The turtle shell bionic arch structure according to claim 1, wherein a plurality of pores (7) are distributed in the web (2) at intervals along the length direction.

7. The turtle shell bionic arch structure according to claim 6, wherein the pores (7) are round-cornered strip-shaped holes.

8. A method for manufacturing a tortoise shell bionic arch structure according to claims 1 to 7, comprising the steps of:

the method comprises the following steps: template processing: according to the design requirements of the template, an arc-shaped top plate (1), a bottom plate (3) and a web plate (2) are cast and manufactured, and then a supporting member made of carbon structural steel is prepared;

step two: the arch structure is externally mounted: according to the design requirements of the main arch ring, the electric hoist is used for operating, firstly, an arc-shaped top plate (1) and two webs (2) are installed, two sides of the bottom of the top plate (1) are respectively installed with the upper sides of the webs (2), and then two sides of a bottom plate (3) are respectively installed with the lower sides of the webs (2), so that the tortoise shell-shaped main arch ring with the cross section outline is integrally formed;

step three: the support member is arranged: according to the manufacturing requirement, a supporting component is arranged in the main arch ring along the arch axis direction, and the supporting component and the top plate (1) are arranged to form an integral arch structure.

9. The manufacturing method of the turtle shell bionic arch structure according to claim 8, wherein in the third step, the supporting member is a vertebra rod (5) penetrating through the main arch ring, two rib rods (6) which are respectively inclined outwards are welded on the upper surface of the vertebra rod (5), and the rib rods (6) and the top plate (1) are installed to form a V-shaped structure.

10. The manufacturing method of the turtle shell bionic arch structure according to claim 8, wherein in the third step, the support member is a vertebra rod (5) penetrating through the main arch ring, a plurality of rib rods (6) distributed at intervals along the axial direction are welded on the vertebra rod (5), axillary column plates (4) are respectively welded on two sides of the vertebra rod (5), the end parts, far away from the vertebra rod (5), of the rib rods (6) are connected with the inner side of the top plate (1), and the side surfaces, far away from the vertebra rod (5), of the two axillary column plates (4) are respectively connected with the positions on two sides of the top plate (1).

Technical Field

The invention relates to the technical field of bridges, in particular to a tortoise shell bionic arch structure and a manufacturing method thereof.

Background

In recent years, the economic level of China is greatly improved, the life concept and the living idea of people are continuously changed, particularly the concept of environmental protection and conservation advocated in China in recent years brings new opportunities for the development of the building industry of China, and no matter whether the basic structure of a building enterprise or the concrete engineering manufacture is changed greatly, the economic level of China is greatly improved. In order to effectively promote the long-term and healthy development of the building industry in China, a large amount of bionic concepts are used in the optimization and design work of bridges, and the main purpose of utilizing the bionic concepts is to effectively solve some problems existing in the use process of the bridges and better provide scientific guidance work for the development of the bridges in China.

The design work of the bridge is an extremely important branch in the engineering construction of China, and the long-term development of the construction industry depends on the new originality and inspiration of designers to a certain extent, so that the application of bionics in the bridge design inevitably promotes the continuous innovation of the functions and the shapes of the bridge, and the design work has very important significance and effect on better guaranteeing the development of the bridge construction industry of China.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a tortoise shell bionic arch structure and a manufacturing method thereof so as to meet the requirement of a bridge on good pressure resistance.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a bionical arch structure of tortoise shell, includes bottom plate and the transversal roof of personally submitting the arc, the both sides of roof are passed through the web and are linked to each other with the bottom plate, form the main arch ring that its cross sectional profile is tortoise shell type, still run through in the main arch ring and arrange the supporting component who provides the support connection to the roof.

Through analysis and demonstration of a large number of biological structure forms, the inventor believes that the tortoise shell structure has excellent compression resistance and high similarity with the arch structure, and therefore, the method provides reference value for design and optimization of the arch structure. The two sides of the arc-shaped top plate are connected with the bottom plate through the webs, so that the top plate, the webs and the bottom plate are connected to form a main arch ring, and the end face contour of the main arch ring is in a tortoise shell shape, so that the design has the advantages of novel and attractive structure, simple form, clear stress mode, convenience in manufacturing and the like; the supporting members penetrate through the main arch ring and are connected with the top plate, the load of the top plate can be borne through the supporting members, the bearing capacity of the top plate is improved, and the integral pressure resistance of the arch structure is provided.

Furthermore, the supporting component is an axillary column plate arranged in the middle of the cross section, and two sides of the axillary column plate are respectively connected with two sides of the top plate.

By the design, the transverse rigidity of the integral cross section of the arch structure can be improved through the axillary post plates arranged in the middle of the cross section, and the structural integrity is better; utilize armpit column board both sides to be connected with the roof respectively for the axial pressure of roof transmits to armpit column board along roof tip, has increased the biography power route, and bears the load effect jointly with the web, has strengthened the bearing capacity of roof.

Furthermore, the supporting component is a vertebra rod arranged at the center of the main arch ring, two rib rods are arranged on the upper surface of the vertebra rod, and the end parts, far away from the vertebra rods, of the rib rods are connected with the inner side of the top plate.

By the design, a force transmission path is optimized, the vertical load at the top plate is transmitted to the vertebral rod through the rib rod, and the vertebral rod penetrates through the whole arch structure, so that the adverse phenomenon of stress concentration of the top plate is eliminated, and the vertical deformation of the top plate is reduced;

furthermore, the rib rods are obliquely arranged, and the two rib rods and the vertebral rods are integrally connected to form a V shape.

Design like this, can make the vertical pressure of roof pass to the vertebra pole through the rib pole, improve the rigidity of main arch ring, simultaneously, to the arch bridge main arch structure of segment cantilever casting or the preparation is assembled to the segment cantilever, the cooperation of vertebra pole and rib pole still provides safe and free anchor basis, and two bundles of interim cable of cantilever preparation can anchor on the rib pole.

Further, the supporting component is the vertebra pole that sets up at main arch ring central point and puts, be equipped with the supporting component that the multiunit set up the distribution and set up along axis direction interval on the vertebra pole, supporting component is including setting up two rib poles at vertebra pole upper surface, vertebra pole both sides are equipped with the axillary pole board respectively, the rib pole is kept away from vertebra pole tip and is connected with the roof inboard, two the axillary pole board is kept away from the side of vertebra pole is connected with the both sides position department of roof respectively.

By the design, the supporting components are arranged at intervals along the axial direction through the vertebral rods, the rigidity of the cross section of the arch structure can be increased, the pressure in the arch axial direction can be better transmitted, meanwhile, the vertebral rods form core nodes of the cross section of the arch structure, the top plate, the supporting components, the web plate and the bottom plate are firmly connected together to jointly bear the load effect, and the hidden danger of uneven load effect distribution is eliminated; meanwhile, the supporting assembly adopts the rib rods to be connected with the bottom of the top plate to provide a transmission path of vertical force, and the axillary post plates are connected with the side faces of the top plate to provide a transmission path of horizontal force, so that the pressure in the direction of the arch axis can be directly and effectively transmitted, and the compressive stress of the top plate, the web plate and the bottom plate is reduced.

Furthermore, a plurality of pores are distributed in the web plate at intervals along the length direction.

Due to the design, the holes are added on the web plate, so that the material consumption and the engineering cost can be reduced, and the self-weight of the web plate is reduced; meanwhile, an air flow channel between the inside and the outside of the main arch ring is also provided, so that the temperature difference between the inside and the outside can be reduced, and the crack damage of the arch structure caused by temperature difference stress is reduced.

Further, the holes are round-corner strip-shaped holes.

Due to the design, the light transmission effect can be improved through the pores of the round-angle strip-shaped holes, the permeability is high, the visual impression is better, and the oppressive impression caused by one wall of the traditional arch structure is reduced; meanwhile, the arc form can eliminate stress concentration.

A manufacturing method of a tortoise shell bionic arch structure comprises the following steps:

the method comprises the following steps: template processing: according to the design requirements of the template, casting and manufacturing an arc-shaped top plate, a bottom plate and a web plate, and preparing a support member made of carbon structural steel;

step two: the arch structure is externally mounted: according to the design requirements of the main arch ring, the electric hoist is used for operating, firstly, an arc-shaped top plate and two webs are installed, two sides of the bottom of the top plate are respectively installed with the upper sides of the webs, and then two sides of a bottom plate are respectively installed with the lower sides of the webs to form the tortoise-shell-shaped main arch ring with the cross section outline;

step three: the support member is arranged: according to the manufacturing requirement, a supporting component is arranged in the main arch ring along the arch axis direction, and the supporting component and the top plate are arranged to form an integral arch structure.

Further, in step three, the supporting component adopts the vertebra pole that runs through main arch ring, vertebra pole upper surface welding has two rib poles that lean out respectively, rib pole and roof are installed and are formed V style of calligraphy structure.

Furthermore, in step three, the supporting component adopts the vertebra pole that runs through main arch ring, and the welding has a plurality of rib poles that set up along the axis direction interval on the vertebra pole, the welding has axillary post board respectively in vertebra pole both sides, and vertebra pole tip is kept away from to the rib pole is connected with the roof is inboard, two axillary post board is kept away from the side of vertebra pole is connected with the both sides position department of roof respectively.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can realize the innovation of the section form of the traditional reinforced concrete arch structure through the main arch ring with the cross section outline in the shape of tortoise shell, has novel and beautiful appearance and strong permeability, and simultaneously, the main arch ring transmits the axial pressure on the top plate to the bottom plate along the web plate through the top plate, the bottom plate and the two web plates for connecting the top plate and the top plate, thereby bearing the pressure in the axial direction of the main arch ring and improving the rigidity of the arch structure.

2. The supporting component comprises two rib rods arranged on the upper surface of the vertebral rod, axillary post plates are respectively arranged on two sides of the vertebral rod, the tops of the rib rods are connected with the bottom of the top plate, and the side surfaces, far away from the vertebral rod, of the axillary post plates are connected with the top plate, so that the arch structure is better in integrity, higher in bearing capacity and higher in structural rigidity, and stress concentration is reduced.

3. The V-shaped rib rod on the upper surface of the vertebral rod is utilized to form the main arch structure of the arch bridge, the main arch structure can be used for manufacturing the segment cantilever, the temporary guy cable can be directly anchored on the rib rod component with bionic ribs, additional measures are not needed, the construction is safe and convenient, and the engineering cost is saved.

Drawings

Fig. 1 is a schematic structural view of a turtle shell bionic arch structure according to an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a bionic arch structure of a tortoise shell in the embodiment of the invention.

Fig. 3 is a schematic structural diagram of a bionic arch structure of a three-tortoise shell in the embodiment of the invention.

Fig. 4 is a schematic structural diagram of a web in the bionic turtle shell arch structure.

Fig. 5 is a flow chart of the manufacturing method of the tortoise shell bionic arch structure of the invention.

In the figure: top plate 1, web 2, bottom plate 3, axillary column plate 4, vertebra pole 5, rib pole 6, aperture 7.

Detailed Description

The invention will be further explained with reference to the drawings and the embodiments.

In this embodiment: referring to fig. 1, a biomimetic tortoise shell arch structure comprises a bottom plate 3 and a top plate 1 with an arc-shaped cross section, wherein two sides of the top plate 1 are connected with the bottom plate 3 through a web 2 to form a tortoise shell-shaped main arch ring with a cross section outline, and a support member for supporting and connecting the top plate 1 is arranged in the main arch ring in a penetrating manner.

Through analysis and demonstration of a large number of biological structure forms, the inventor believes that the tortoise shell structure has excellent compression resistance and high similarity with the arch structure, and therefore, the method provides reference value for design and optimization of the arch structure. The two sides of the arc-shaped top plate 1 are connected with the bottom plate 3 through the webs 2, so that the top plate 1, the webs 2 and the bottom plate 3 are connected to form a main arch ring, and the end face contour of the main arch ring is of a tortoise shell shape, so that the design has the advantages of novel and attractive structure, simple form, clear stress mode, convenience in manufacturing and the like; the supporting members penetrate through the main arch ring and are connected with the top plate 1, the supporting members can bear the load of the top plate 1, the bearing capacity of the top plate 1 is increased, and the integral compression resistance of the arch structure is improved.

Preferably, as shown in fig. 1, the supporting member is an axillary column plate 4 disposed in the middle of the cross section, and both sides of the axillary column plate 4 are connected to both sides of the top plate 1.

By the design, the transverse rigidity of the integral cross section of the arch structure can be improved through the axillary post plates 4 arranged in the middle of the cross section, and the structural integrity is better; utilize 4 both sides of axillary post board to be connected with roof 1 respectively for the axial pressure of roof 1 has increased power transmission route along 1 tip transmission of roof to axillary post board 4, and bears the weight of the load effect jointly with web 2, has strengthened the bearing capacity of roof 1.

Preferably, as shown in fig. 2, the supporting member is a vertebral rod 5 arranged at the center of the main arch ring, the upper surface of the vertebral rod 5 is provided with two rib rods 6, and the ends of the rib rods 6 far away from the vertebral rod 5 are connected with the inner side of the top plate 1.

By the design, a force transmission path is optimized, the vertical load at the top plate 1 is transmitted to the vertebral rod 5 through the rib rod 6, and the vertebral rod 5 penetrates through the whole arch structure, so that the adverse phenomenon of stress concentration of the top plate 1 is eliminated, and the vertical deformation of the top plate 1 is reduced;

preferably, as shown in fig. 2, the rib rods 6 are obliquely arranged, and the two rib rods 6 are integrally connected with the vertebral rod 5 to form a V-shape.

Design like this, can make the vertical pressure of roof 1 transmit to vertebra pole 5 through rib pole 6, improve the rigidity of main arch ring, simultaneously, to the arch bridge main arch structure of segment cantilever casting or the preparation is assembled to the segment cantilever, vertebra pole 5 still provides safe and free anchor basis with the cooperation of rib pole 6, and two bundles of interim guys of cantilever preparation can anchor on rib pole 6.

Preferably, as shown in fig. 3, the supporting member is a vertebra rod 5 arranged at the center of the main arch ring, a plurality of groups of supporting components distributed along the axial direction are arranged on the vertebra rod 5, the supporting components comprise two rib rods 6 arranged on the upper surface of the vertebra rod 5, axillary column plates 4 are respectively arranged on two sides of the vertebra rod 5, the end parts of the rib rods 6 far away from the vertebra rod 5 are connected with the inner side of the top plate 1, and the side surfaces of the two axillary column plates 4 far away from the vertebra rod 5 are respectively connected with the positions on two sides of the top plate 1.

By the design, the supporting components are arranged at intervals along the axial direction of the vertebral rod 5, so that the rigidity of the cross section of the arch structure can be increased, and the pressure in the axial direction of the arch can be better transmitted, meanwhile, the vertebral rod 5 forms a core node of the cross section of the arch structure, the top plate 1, the supporting components, the web plate 2 and the bottom plate 3 are firmly connected together to jointly bear the load effect, and the hidden danger of uneven load effect distribution is eliminated; meanwhile, the supporting assembly adopts the rib rod 6 connected with the bottom of the top plate 1 to provide a transmission path of vertical force, and the axillary column plate 4 connected with the side of the top plate 1 to provide a transmission path of horizontal force, so that the pressure in the direction of the arch axis can be directly and effectively transmitted, and the compressive stress of the top plate 1, the web plate 2 and the bottom plate 3 is reduced.

Preferably, as shown in fig. 4, a plurality of pores 7 are provided in the web 2 at intervals in the longitudinal direction.

Due to the design, the holes 7 are additionally arranged on the web plate 2, so that on one hand, the material consumption and the engineering cost can be reduced, and on the other hand, the self-weight of the web plate 2 is reduced; meanwhile, an air flow channel between the inside and the outside of the main arch ring is also provided, so that the temperature difference between the inside and the outside can be reduced, and the crack damage of the arch structure caused by temperature difference stress is reduced.

Preferably, the pores 7 are rounded strip-shaped pores.

Due to the design, the light-transmitting effect can be improved through the holes 7 which are round-angle strip-shaped holes, the permeability is high, the visual impression is better, and the oppressive impression caused by one wall of the traditional arch structure is reduced; meanwhile, the arc form can eliminate stress concentration.

As shown in fig. 5, the present invention also provides a method for manufacturing a tortoise shell bionic arch structure, comprising the following steps:

the method comprises the following steps: template processing: according to the design requirements of a template, an arc-shaped top plate 1, a bottom plate 3 and a web plate 2 are cast and manufactured, and then a supporting member made of carbon structural steel is prepared;

step two: the arch structure is externally mounted: according to the design requirements of the main arch ring, the electric hoist is used for operating, firstly, an arc-shaped top plate 1 and two webs 2 are installed, two sides of the bottom of the top plate 1 are respectively installed with the upper sides of the webs 2, and then two sides of a bottom plate 3 are respectively installed with the lower sides of the webs 2, so that the tortoise shell-shaped main arch ring with the cross section outline is integrally formed;

step three: the support member is arranged: according to the manufacturing requirement, a supporting component is arranged in the main arch ring along the arch axis direction, and the supporting component and the top plate 1 are arranged to form an integral arch structure.

Preferably, in the third step, the supporting member is a vertebra rod 5 penetrating through the main arch ring, two rib rods 6 inclining outwards are welded on the upper surface of the vertebra rod 5, and the rib rods 6 and the top plate 1 are installed to form a V-shaped structure.

Preferably, in the third step, the supporting member adopts a vertebral rod 5 penetrating through the main arch ring, a plurality of rib rods 6 arranged at intervals along the axis direction are welded on the vertebral rod 5, axillary post plates 4 are respectively welded on two sides of the vertebral rod 5, the end parts, far away from the vertebral rod 5, of the rib rods 6 are connected with the inner side of the top plate 1, and the side surfaces, far away from the vertebral rod 5, of the two axillary post plates 4 are respectively connected with the positions on two sides of the top plate 1.

1. The invention can realize the innovation of the section form of the traditional reinforced concrete arch structure through the main arch ring with the cross section outline in the shape of tortoise shell, has novel and beautiful appearance and strong permeability, and simultaneously, the main arch ring transmits the axial pressure on the top plate 1 to the bottom plate 3 along the web 2 through the top plate 1, the bottom plate 3 and the two webs 2 connecting the top plate 1 and the top plate 1, thereby bearing the pressure in the axial direction of the main arch ring and improving the rigidity of the arch structure.

2. The supporting component comprises two rib rods 6 arranged on the upper surface of the vertebral rod 5, axillary post plates 4 are respectively arranged on two sides of the vertebral rod 5, the top of each rib rod 6 is connected with the bottom of the top plate 1, and the side surfaces, far away from the vertebral rod 5, of the axillary post plates 4 are connected with the top plate 1, so that the arch structure is better in integrity, higher in bearing capacity and higher in structural rigidity, and stress concentration is reduced.

3. The V-shaped rib rods 6 on the upper surfaces of the vertebral rods 5 are utilized, the V-shaped rib rods can be used for an arch bridge main arch structure manufactured by segment cantilevers, the temporary guy cables can be directly anchored on the rib rod 6 parts with bionic ribs, extra measures are not needed, the construction is safe and convenient, and the engineering cost is saved.

The invention improves the material utilization efficiency, reduces the engineering quantity of the arch structure, enhances the vertical rigidity of the arch structure, takes the calculation of the arch structure with the span of 275m as an example, and the comparison result is shown in the table 1.

TABLE 1 COMPARATIVE TABLE

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.