Cross-shaped wooden column-hole-hidden graphite hardwood-graphite layer-along column foundation stone seismic isolation system

Abstract

The invention discloses a cross-shaped wooden column-hole-hidden graphite hardwood-graphite layer-along column foundation stone seismic isolation system which is mainly used for seismic isolation and self-resetting of the bottom of a wooden structure cross-shaped wooden column. The shock insulation system is composed of a cross-shaped wooden column, four hole-hidden graphite hardwoods, four concave spherical surface column foundation stones with limiting edges, a graphite layer and four annular tempered glass sealing plates. The cross-shaped wooden column is composed of four column limbs formed by connecting five round timbers through square timber ladders and bamboo plywood. The hole-hidden graphite hardwood is composed of a convex spherical section, a thick cylindrical section, a graphite-hidden hole and a thin cylindrical connecting key which are integrally processed. The graphite layer can reduce friction force between the convex spherical surface and the concave spherical surface of the column foundation stone. The concave spherical surface of the column foundation stone can enable the cross-shaped wooden column to reset automatically after an earthquake, and the limiting edge of the column foundation stone can limit excessive displacement of the bottom of the cross-shaped wooden column in the vibration process. And the annular toughened glass sealing plate can be sealed and waterproof. The seismic isolation system has the advantages that the seismic isolation at the bottom of the cross-shaped wooden column reduces the seismic action of the upper structure, and self-resetting after the earthquake realizes structural toughness seismic resistance.

Description

Technical Field

[0001] This invention relates to a seismic isolation system for a ten-shaped wooden column-holed graphite hardwood-graphite layer-concave spherical base stone with limiting, belonging to the field of seismic isolation technology in civil engineering. Background Technology

[0002] Current Status of Newly Built Timber-Framed Houses Nationwide: Timber structures offer both earthquake resistance and thermal insulation, and boast short construction cycles. In recent years, timber-framed houses have seen a gradual increase in their proportion of new construction in China due to their advantages such as environmental friendliness, energy conservation, and high construction efficiency. Cultural and tourism buildings feature diverse timber-framed designs, employing round, square, L-shaped, T-shaped, and cross-shaped timber columns depending on the building's structural requirements and load-bearing capacity. However, with the increasing scarcity of large-diameter timber resources, the use of traditional large-diameter round or square timber columns in designs is limited by the availability of large-diameter logs. This invention proposes a technical solution for timber-framed houses using cross-shaped timber columns made from relatively small-diameter round timber as the central column. The axis of the cross-shaped timber column aligns with the axis of the wall panels, resulting in aesthetically pleasing and practical room layouts, and convenient connection of structural components. This solution not only meets the needs of the house's floor plan but also addresses the mechanical performance requirements of using relatively small-diameter round timber instead of relatively large-diameter round timber for timber columns under compression, shear, and bending forces. Currently, the earthquake resistance of timber structures urgently needs improvement. Resilience, also known as recoverability, describes a system's ability to maintain and restore its original function after being disturbed. Building seismic resilience refers to a building's ability to maintain and restore its original function after being subjected to a specific level of earthquake. Improving the seismic resilience of timber structures can be achieved through seismic resistance measures, seismic isolation measures, or a combination of both. However, low-cost seismic isolation technology is severely lacking in newly constructed cultural and tourism timber structures. Therefore, developing a seismic isolation system for ten-shaped timber columns, using concave spherical surfaces with limiting spacers along the column base as a key technical feature, is not only necessary to ensure the seismic safety of timber structures but also to ensure the safety of interior decoration systems and water and electricity facilities under strong earthquakes. This can significantly reduce post-earthquake repair costs and significantly improve the seismic resilience of timber structures.

[0003] The ten-shaped wooden column is composed of round logs at the ends of four column members, round logs at the intersection of column members, square wooden ladders, and bamboo plywood covering both sides of the square wooden ladders. The bottom of the round logs at the ends of the four column members rests on four column base stones. There are two structural forms: (1) The upper surface of the four column base stones is flat, and the bottom of the round logs at the ends of the four column members of the ten-shaped wooden column is directly placed on the four column base stones. Under earthquake action, the bottom of the round logs at the ends of the four column members of the ten-shaped wooden column and the column base stones form a sliding isolation structure. This structure has the advantage of reducing the transmission of earthquake action to the superstructure by the isolation effect of the bottom of the ten-shaped wooden column under earthquake action, but there are also some drawbacks. The defect of the 10-shaped wooden column after the earthquake is that it cannot be reset after sliding. The 10-shaped wooden column after the earthquake cannot be reset, so the structure cannot maintain and restore its original function and has poor seismic toughness; (2) The center of the upper surface of the four column base stones is set with grooves. The bottom of the round wood or the bottom protruding wooden tenon of the four column legs of the 10-shaped wooden column is respectively embedded in the groove of the upper part of the four column base stones. Under the action of earthquake, the bottom of the 10-shaped wooden column and the column base stone form a non-slip seismic isolation structure. The bottom of the 10-shaped wooden column cannot reduce the horizontal seismic action transmitted to the upper structure like the slip seismic isolation. Although the bottom of the 10-shaped wooden column does not slip after the earthquake and remains in the original position, the seismic isolation performance is poor. The key technical challenge in improving the seismic toughness of the 10-shaped wooden column is how to design the structure between the four round logs at the ends of the 10-shaped wooden column and the four column base stones as a sliding self-resetting seismic isolation structure. Therefore, it is urgent to develop a seismic isolation system that can both slide and self-reset after an earthquake between the four round logs at the ends of the 10-shaped wooden column and the four column base stones. This system has the advantages of reducing the transmission of earthquake vibration to the upper structure by isolating the bottom of the 10-shaped wooden column and self-resetting after an earthquake. Summary of the Invention

[0004] The technical objective of this invention is to design a seismic isolation system consisting of a ten-shaped wooden column, four perforated graphite hardwood sections, a graphite layer, and a concave spherical base stone with limiting edge, primarily used for seismic isolation and self-resetting of the base of a ten-shaped wooden column in a timber structure. This system comprises a ten-shaped wooden column, four perforated graphite hardwood sections, four concave spherical base stones with limiting edge, a graphite layer, and four annular tempered glass sealing plates. The ten-shaped wooden column is composed of four column legs formed by connecting five round logs via square timber ladders and bamboo plywood. The perforated graphite hardwood section consists of a convex spherical section, a coarse cylindrical section, graphite holes, and a fine cylindrical connecting key, all machined from a single piece of wood. The graphite layer reduces the friction between the convex spherical surface and the concave spherical surface of the base stone. The concave spherical surface of the base stone allows the ten-shaped wooden column to self-reset after an earthquake, and the limiting edge of the base stone restricts excessive displacement of the base of the ten-shaped wooden column during vibration. The annular tempered glass sealing plates provide a waterproof seal. This seismic isolation system has the advantages of reducing the seismic force on the superstructure by isolating the base of the cross-shaped wooden columns and achieving structural toughness and seismic resistance through self-resetting after an earthquake.

[0005] The technical solution adopted in this invention is a cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone, including a cross-shaped wooden column. The cross-shaped wooden column is set at the middle connection node of the wooden frame house, and the axis of the cross-shaped wooden column is consistent with the axis of the wall panel of the wooden frame house. It also includes perforated graphite hardwood and concave spherical base stones with limiting features; the bottom of the cross-shaped wooden column is embedded and connected to the upper part of the perforated graphite hardwood, and the lower part of the perforated graphite hardwood is in contact with the concave spherical base stones with limiting features. The cross-shaped wooden pillar includes four cross-shaped pillar legs and bamboo plywood covering both sides of the pillar legs; two cross-shaped pillar legs are arranged along their length to form a straight section, and the two straight sections are arranged perpendicularly to form a cross-shaped structure; each cross-shaped pillar leg includes a pillar leg skeleton, and each pillar leg skeleton is connected by end round logs, intersection round logs, and multiple square wooden ladders between them; the square wooden ladders between each cross-shaped pillar leg are arranged alternately; the four cross-shaped pillar legs share an intersection round log; the end round logs, square wooden ladders, and intersection round logs of the cross-shaped pillar legs are connected by mortise and tenon joints, and the bamboo plywood is connected to the cross-shaped pillar legs by self-tapping screws; the bottoms of the four end round logs are placed on four concave spherical base stones with limiting features; The concave spherical surface with limiting edge has a groove on the upper part of the column base stone, and the groove is vertically processed into a concave spherical surface. The circumference of the concave spherical surface is a circular limiting edge. The lower part of the graphite hardwood with hole is sealed and connected to the circular limiting edge by a ring tempered glass sealing plate. The surface of the concave spherical surface is filled with a graphite layer. The perforated graphite hardwood is composed of a convex spherical section, a coarse cylindrical section, and a fine cylindrical connecting key arranged from bottom to top, all processed from a single piece of wood. A cross-shaped wooden column has a cylindrical hole at its bottom center. The diameter and length of the fine cylindrical connecting key are identical to the diameter and depth of the cylindrical hole at the bottom of the cross-shaped wooden column, and the fine cylindrical connecting key is embedded into the cylindrical hole at the bottom of the cross-shaped wooden column. The curvature of the convex spherical section is equal to the curvature of the concave spherical section. The perforated graphite hardwood has graphite holes; vertical graphite holes extend from the upper surface of the coarse cylindrical section down to the convex spherical surface and are radially distributed along the coarse cylindrical section; oblique graphite holes slope downwards along the side of the coarse cylindrical section, extending through the vertical graphite holes and circumferentially distributed along the coarse cylindrical section.

[0006] The aforementioned ten-shaped wooden post is composed of four round logs at the ends of the post members, round logs at the intersections of the post members, square wooden ladders, and bamboo plywood covering both sides of the square wooden ladders. The ten-shaped wooden post has five round logs, including round logs at the intersections of the post members in addition to the round logs at the ends of the four post members. The round logs at the intersections of the post members are connected by mortise and tenon joints. The square wooden ladders are covered with bamboo plywood on both sides and connected with self-tapping screws. The square wooden ladders are spaced about 300mm apart, with a cross-sectional width of 1 / 3 of the diameter of the round log and a cross-sectional height of 2 times the cross-sectional width. The bottom center of the round logs at the ends of the four post members of the ten-shaped wooden post is machined with a round hole with a diameter not less than 1 / 2 of the diameter of the round log and a depth not less than 1.5 times the diameter. The round logs at the ends of the four column members, the round logs at the intersection of the column members, and the square wooden ladder are made of pine and other woods. The bottom of the round logs at the ends of the four column members is placed on the four column base stones.

[0007] The aforementioned perforated graphite hardwood is composed of a convex spherical section, a coarse cylindrical section, graphite-containing holes, and a fine cylindrical connecting key, all processed from a single piece of wood. The hardwood is made from hard, broad-leaved wood such as oak, teak, and beech. The diameter and length of the fine cylindrical connecting key are consistent with the diameter and depth of the round holes at the bottom of the four column ends of the cross-shaped wooden column. The curvature of the convex spherical surface of the perforated graphite hardwood is equal to the curvature of the concave spherical surface of the column base stone.

[0008] The aforementioned graphite-containing holes consist of four symmetrically arranged vertical circular holes that extend from the top of the coarse hardwood cylinder containing the graphite to the convex spherical surface below, and four oblique circular holes that slope downwards from the side of the coarse hardwood cylinder containing the graphite and connect to the four vertical circular holes. During construction, a small amount of graphite is first laid between the convex spherical surface of the hardwood cylinder containing the graphite and the concave spherical surface of the column base stone. After all the graphite is in place, graphite is poured in through the side holes of the coarse hardwood cylinder section to form the graphite-containing structure. After the graphite is poured in, the side holes of the coarse cylindrical section are sealed with small round logs.

[0009] The thin cylindrical connecting key has the same size as the bottom round hole of the four column ends of the ten-shaped wooden column. The thin cylindrical connecting key is used to insert into the bottom round hole of the four column ends of the ten-shaped wooden column to achieve positioning and docking.

[0010] The connection between the perforated graphite hardwood and the bottom of the round wooden column is achieved by first applying structural adhesive to the upper surface of the four perforated graphite hardwoods and the surface of the thin cylindrical connecting key, and then inserting the perforated graphite hardwood thin cylindrical connecting key into the bottom round hole of the round wood at the end of the four column legs of the cross-shaped wooden column to achieve their connection.

[0011] The concave spherical column base stone is a round, drum-shaped, or square column base stone with a cylindrical groove on the upper part, which is processed from granite such as bluestone and the groove is processed downward into a concave spherical surface.

[0012] The graphite layer mentioned above is a graphite layer laid on the concave spherical surface of the column base stone with a limiting function, and it serves as a lubricant.

[0013] The aforementioned annular tempered glass cover is an 8mm thick annular tempered glass cover. A 10mm × 10mm square sponge strip is pasted around the perimeter of the annular glass cover. The sponge strip is pasted 10mm inward from the outer edge to provide space for glass glue sealing. The square sponge strip serves to prevent the annular tempered glass from colliding with the limiting edge of the column base stone during the sliding process of the wooden column bottom. During construction, first, insert the four ring-shaped tempered glass sealing plates into the bottom of the round logs at the four ends of the cross-shaped wooden column, about 300mm high (the 300mm height of the bottom of the round logs at the four ends of the cross-shaped wooden column corresponds to the bottom height of the bamboo plywood). Then, use four symmetrically arranged self-tapping screws on the round logs below the four ring-shaped tempered glass sealing plates to connect them to the round logs and support the four ring-shaped tempered glass sealing plates. After the seismic isolation system is installed, remove the self-tapping screws and small wooden blocks and lower the four ring-shaped tempered glass sealing plates into place. Then, seal the joints between the four ring-shaped tempered glass sealing plates and the corresponding round logs, as well as the positions of the square sponge strips that contact the corresponding concave spherical limiters along the column base stone, with glass glue.

[0014] Compared with the prior art, the present invention relates to a ten-shaped wooden column-holed graphite hardwood-graphite layer-concave spherical band limiting seismic isolation system along the column base stone, which has the following advantages: (1) The perforated graphite hardwood and concave spherical limiting column base stone of the 10-shaped wooden column-hole graphite hardwood-graphite layer-concave spherical limiting column base stone of the present invention can be standardized in design and industrialized in preparation. They are low in cost, easy to assemble and construct, and easy to promote and apply.

[0015] (2) The wood of the hole-filled graphite hardwood, the stone of the concave spherical limit column base stone and the graphite of the graphite layer of the seismic isolation system are all materials with stable physical and chemical properties and good durability.

[0016] (3) The graphite layer of the seismic isolation system can reduce the friction between the convex spherical surface of the porous graphite hardwood and the concave spherical surface of the column base stone. The concave spherical surface of the column base stone plays the role of self-resetting of the cross-shaped wooden column under its own weight after the earthquake. The column base stone limiter plays the role of limiting the excessive displacement of the bottom of the cross-shaped wooden column during the vibration. The seismic isolation system has the function of reducing the seismic effect of the superstructure by isolating the bottom of the cross-shaped wooden column and can self-reset after the earthquake, thus realizing the structural toughness and earthquake resistance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a cross-shaped wooden column-holed graphite hardwood-graphite layer-concave spherical band limiting seismic isolation system along the column base stone.

[0018] Figure 2 This is a schematic diagram of a cross-shaped wooden pillar structure.

[0019] Figure 3 This is a schematic diagram of the graphite hardwood and its cross-section.

[0020] Figure 4 This is a schematic diagram of the concave spherical surface with a limiting feature along the column base stone and its cross-section. Detailed Implementation

[0021] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] A cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone includes a cross-shaped wooden column 1, wherein the cross-shaped wooden column 1 is set at the middle connection node of the wooden frame house, and the axis of the cross-shaped wooden column 1 is consistent with the axis of the wall panel of the wooden frame house. It also includes a perforated graphite hardwood 9 and a concave spherical base stone with a limiting edge 15; the bottom of the cross-shaped wooden column 1 is embedded and connected to the upper part of the perforated graphite hardwood 9, and the lower part of the perforated graphite hardwood 9 is in contact with the concave spherical base stone with a limiting edge 15. The cross-shaped wooden column 1 includes four cross-shaped wooden column legs 2, and bamboo plywood 8 covering both sides of the cross-shaped wooden column legs 2; two cross-shaped wooden column legs 2 are arranged along their length to form a straight section, and the two sets of straight sections are arranged perpendicularly to form a cross-shaped structure; each cross-shaped wooden column leg 2 includes a column leg frame 3, and each column leg frame 3 is connected by end round wood 4, intersection round wood 5, and multiple square wooden ladders 7 between them; the square wooden ladders 7 between each cross-shaped wooden column leg 3 are arranged alternately; the four cross-shaped wooden column legs 3 share the intersection round wood 5; the end round wood 4, square wooden ladders 7, and intersection round wood 5 of the cross-shaped wooden column leg 2 are connected by mortise and tenon joints, and the bamboo plywood 8 is connected to the cross-shaped wooden column leg 2 by self-tapping screws; the bottom of the four end round wood 4 is placed on four concave spherical limit stones 16; The concave spherical surface with limiting edge has a groove on the upper part of the column base stone 15, and the groove is vertically processed into a concave spherical surface 16. The circumferential direction of the concave spherical surface 16 is a circular limiting edge 17. The lower part of the hole-embedded graphite hardwood 9 is sealed and connected to the circular limiting edge 17 by a ring-shaped tempered glass sealing plate 18. The surface of the concave spherical surface 16 is filled with a graphite layer 14. The perforated graphite hardwood 9 is composed of a convex spherical section 10, a coarse cylindrical section 11, and a fine cylindrical connecting key 13 arranged from bottom to top, all processed from a single piece of wood. A cross-shaped wooden column 1 has a cylindrical hole 6 at its bottom center. The diameter and length of the fine cylindrical connecting key 13 are consistent with the diameter and depth of the cylindrical hole 6 at the bottom of the cross-shaped wooden column. The fine cylindrical connecting key 13 is embedded and connected to the cylindrical hole 6 at the bottom of the cross-shaped wooden column. The curvature of the convex spherical section 10 is equal to the curvature of the concave spherical surface 16. The perforated graphite hardwood 9 has graphite holes 12. Vertical graphite holes 12 penetrate the convex spherical surface from the upper surface to the lower surface of the coarse cylindrical section 11 and are radially distributed along the coarse cylindrical section 11. Oblique graphite holes 12 slope downwards along the side of the coarse cylindrical section 11 and penetrate the vertical graphite holes 12, and are circumferentially distributed along the coarse cylindrical section 11.

[0023] Furthermore, the cross-shaped wooden pillar 1 is a circular cross-section wooden pillar processed from logs.

[0024] Furthermore, the bottom center of the cross-shaped wooden column 1 is machined with a hole diameter not less than 1 / 2 the diameter of the cross-shaped wooden column 1, and a hole depth not less than 1.5 times the hole diameter.

[0025] Furthermore, the perforated graphite hardwood 9 is made from hard, broad-leaved wood logs such as oak, teak, or beech.

[0026] Furthermore, the size of the thin cylindrical connecting key 13 is consistent with the size of the bottom round hole of the cross-shaped wooden post 1, and the thin cylindrical connecting key 13 is used to insert into the bottom round hole of the cross-shaped wooden post 1 to achieve positioning and docking.

[0027] Furthermore, to connect the bottom of the perforated graphite hardwood 9 and the cross-shaped wooden post 1, structural adhesive is first applied to the upper surface of the perforated graphite hardwood and the surface of the thin cylindrical connecting key, and then the thin cylindrical connecting key of the perforated graphite hardwood is inserted into the round hole at the bottom of the cross-shaped wooden post to achieve the connection between the two.

[0028] Furthermore, the concave spherical column base stone 15 is made of granite with a cylindrical groove on the upper part, and the groove is processed downward into a concave spherical column base stone, a drum-shaped column base stone, or a square column base stone.

[0029] Furthermore, the graphite layer 9 is laid on the concave spherical surface of the column base stone with limiting function, and plays a lubricating role.

[0030] Furthermore, the graphite storage hole 12 is used to store graphite. When subjected to an earthquake, the seismic isolation system is activated, and the graphite in the vertical graphite storage hole 12 flows out to replenish the graphite layer 14 on the concave spherical surface 16 of the column base stone, thereby enhancing the seismic isolation effect. When the amount of graphite in the vertical graphite storage hole 12 is insufficient, it is supplemented through the oblique graphite storage hole 12. During construction, graphite is first laid between the convex spherical section 10 and the concave spherical section 16. After all sections are in place, graphite is then injected through the side holes of the coarse cylindrical section of the hardwood with hole-filled graphite to form a hole-filled graphite structure. After the graphite injection is completed, the side holes of the coarse cylindrical section are sealed with small round logs.

[0031] Furthermore, a square sponge strip is pasted around the perimeter of the annular tempered glass sealing plate 18. The sponge strip is pasted inward from the outer edge to create a space for sealing with glass glue. The square sponge strip serves to prevent the annular tempered glass from colliding with the column base stone limit edge during the sliding process of the wooden column bottom. During construction, four annular tempered glass sealing plates are inserted into the bottom of the four round logs of the cross-shaped wooden column. Four symmetrically arranged self-tapping screw wooden blocks are used to support the round logs below the four annular tempered glass sealing plates. After the seismic isolation system is installed, the self-tapping screw wooden blocks are removed and the four annular tempered glass sealing plates are lowered into place. Then, the joints between the four annular tempered glass sealing plates and the corresponding round logs, as well as the positions of the square sponge strips that contact the corresponding concave spherical limiters along the column base stone, are sealed with glass glue. Example

[0032] The technical solution adopted in this invention is a ten-shaped wooden column-holed graphite hardwood-graphite layer-concave spherical limiting column base stone-ring tempered glass sealing plate seismic isolation system. Figure 1 ), cross-shaped wooden pillar structure ( Figure 2 ), Kongzang graphite hardwood ( Figure 3 ), concave spherical surface with limiting along the column base stone ( Figure 4 ): 1. Cross-shaped wooden column; 2. Cross-shaped wooden column limb; 3. Cross-shaped wooden column limb end round wood-square wood ladder-column intersection round wood tenon joint connection; 4. Cross-shaped wooden column limb end round wood; 5. Cross-shaped wooden column limb end round wood bottom round hole; 6. Square wood ladder; 7. Cross-shaped wooden column limb skeleton square wood ladder covered on both sides with self-tapping screws bamboo plywood; 8. Hole-embedded graphite hardwood; 9. Convex spherical section; 10. Coarse cylindrical section; 11. Graphite hole; 12. Fine cylindrical connecting key; 13. Graphite layer; 14. Concave spherical with limiting edge column base stone; 15. Column base stone upper cylindrical groove and concave spherical surface with groove facing downward; 16. Column base stone upper annular limiting edge; 17. Annular tempered glass sealing plate; 18.

[0033] The aforementioned ten-shaped wooden pillar 1 is composed of ten-shaped wooden pillar legs 2.

[0034] The ten-shaped wooden column limb 2 is composed of a ten-shaped wooden column limb skeleton 3 and bamboo plywood 8 covering both sides of the square wooden ladder 7.

[0035] The aforementioned ten-shaped wooden column frame 3 is composed of round logs 4 at the ends of the ten-shaped wooden column, square wooden ladders 7, and round logs 5 at the intersection of the column members, connected by mortise and tenon joints.

[0036] The round logs 4 at the ends of the ten-shaped wooden column and the round logs 5 at the intersection of the column members are made of pine or other logs.

[0037] The circular holes 6 at the bottom of the four column ends of the ten-shaped wooden column are circular holes with a diameter not less than 1 / 2 the diameter of the round wood and a depth not less than 1.5 times the diameter of the round wood, which are machined in the middle of the bottom of the round wood at the end of the ten-shaped wooden column.

[0038] The aforementioned square timber ladder 7 consists of square timbers with a spacing of approximately 300mm, a cross-sectional width of 1 / 3 the diameter of a round log, and a cross-sectional height of twice the cross-sectional width, arranged in a ladder pattern. The square timbers are made of wood such as pine.

[0039] The bamboo plywood 8 is a bamboo plywood board connected with self-tapping screws covering the two sides of the square wooden ladder grid of the four column legs of the ten-shaped wooden column. The bamboo plywood board is a multi-layer composite board made of moso bamboo as raw material, which is softened at high temperature, rolled flat, glued and laminated, and then formed by high pressure molding process.

[0040] The aforementioned graphite-containing hardwood 9 consists of a convex spherical section 10, a coarse cylindrical section 11, graphite-containing holes 12, and a fine cylindrical connecting key 13, all processed from a single piece of wood.

[0041] The convex spherical segment 10 has the same curvature as the concave spherical surface of the column base stone.

[0042] The diameter of the thick cylindrical segment 11 is equal to the diameter of the round wooden ends of the four column legs of the ten-shaped wooden column.

[0043] The graphite-containing hole 12 consists of four vertical circular holes arranged symmetrically, which are open to the convex spherical surface on the top of the graphite-containing hardwood cylindrical section and open to the bottom, and four oblique circular holes that are inclined downward from the side of the graphite-containing hardwood cylindrical section and open to the four vertical circular holes.

[0044] The thin cylindrical connecting key 13: The size of the thin cylindrical connecting key is consistent with the size of the bottom round hole of the round wood at the end of the four column members of the cross-shaped wooden column. The thin cylindrical connecting key is used to insert into the bottom round hole of the round wood at the end of the four column members of the cross-shaped wooden column to achieve positioning and docking.

[0045] The graphite layer 14 is laid on the concave spherical surface of the concave spherical base stone 15 with limiting position. The graphite plays a role in lubrication and reducing friction.

[0046] The concave spherical limiting edge column base stone 15 is a round pier-shaped column base stone, drum-shaped column base stone, or square pier-shaped column base stone with a cylindrical groove on the upper part and the groove facing downwards as a concave spherical surface 16, and the annular limiting edge 17 formed by the upper cylindrical groove as a structural feature.

[0047] The aforementioned annular tempered glass sealing plate 18 is made by cutting ordinary annealed glass into an annular shape according to the required dimensions, heating it to near its softening point, and then rapidly and uniformly cooling it.

[0048] For newly constructed timber structures, the dimensions of the cross-shaped timber columns, the dimensions of the perforated graphite hardwood, and the dimensions of the concave spherical limiters along the column base stones are first determined based on the structural design and stress requirements. Then, the stress calculation of the seismic isolation system is performed, and the components are prepared, transported, and assembled on-site.

[0049] The above is a typical embodiment of the present invention, and the implementation of the present invention is not limited thereto.

Claims

1. A cross-shaped wooden column-hole-hollow graphite hardwood-graphite layer-seismic isolation system along the column base stone, including a cross-shaped wooden column (1), wherein the cross-shaped wooden column (1) is set at the middle connection node of the wooden frame house, and the axis of the cross-shaped wooden column (1) is consistent with the axis of the wall panel of the wooden frame house. characterized in that It also includes a perforated graphite hardwood (9) and a concave spherical base stone (15) with a limiting edge; the bottom of the cross-shaped wooden column (1) is embedded and connected to the upper part of the perforated graphite hardwood (9), and the lower part of the perforated graphite hardwood (9) is in contact with the concave spherical base stone (15). The cross-shaped wooden pillar (1) includes four cross-shaped wooden pillar legs (2) and bamboo plywood (8) covering both sides of the cross-shaped wooden pillar legs (2); two cross-shaped wooden pillar legs (2) are arranged along their length to form a straight section, and the two sets of straight sections are arranged perpendicularly to form a cross-shaped structure; each cross-shaped wooden pillar leg (2) includes a pillar leg skeleton (3), and each pillar leg skeleton (3) is connected by end round logs (4) and intersection round logs (5) and multiple square wooden ladders (7) between them. The components are connected as follows: the square wooden ladders (7) between each cross-shaped wooden column (3) are arranged in an alternating manner; the four cross-shaped wooden column (3) share a common intersection round wood (5); the end round wood (4), square wooden ladders (7) and intersection round wood (5) of the cross-shaped wooden column (2) are connected by mortise and tenon joints, and bamboo plywood (8) is connected to the cross-shaped wooden column (2) by self-tapping screws; the bottom of the four end round woods (4) is placed on four concave spherical limit stones (16); The concave spherical surface with limiting edge has a groove on the upper part of the column base stone (15), and the groove is vertically processed into a concave spherical surface (16). The circumferential direction of the concave spherical surface (16) is a circular limiting edge (17). The lower part of the hole-hidden graphite hardwood (9) is sealed to the circular limiting edge (17) by a ring-shaped tempered glass sealing plate (18). The surface of the concave spherical surface (16) is filled with a graphite layer (14). The perforated graphite hardwood (9) is composed of a convex spherical section (10), a coarse cylindrical section (11), and a fine cylindrical connecting key (13) arranged from bottom to top from a whole piece of wood. The bottom of the cross-shaped wooden column (1) is provided with a cylindrical hole (6) at the bottom center. The diameter and length of the fine cylindrical connecting key (13) are consistent with the diameter and depth of the cylindrical hole (6) at the bottom of the cross-shaped wooden column. The fine cylindrical connecting key (13) is embedded and connected to the cylindrical hole (6) at the bottom of the cross-shaped wooden column. The curvature of the convex spherical segment (10) is equal to that of the concave spherical segment (16); the graphite-containing hardwood (9) has graphite-containing holes (12), the vertical graphite-containing holes (12) penetrate the convex spherical surface on the upper surface of the coarse cylindrical segment (11) and are radially distributed along the coarse cylindrical segment (11), the oblique graphite-containing holes (12) are inclined downward along the side of the coarse cylindrical segment (11) and penetrate the vertical graphite-containing holes (12) and are circumferentially distributed along the coarse cylindrical segment (11).

2. The cross-shaped timber-pit-stored graphite hardwood- graphite layer- seismic isolation system along the column base stone according to claim 1, characterized in that: The cross-shaped wooden column (1) is a circular cross-section wooden column made from logs.

3. The cross-shaped timber-pit-stored graphite hardwood- graphite layer- seismic isolation system along the column base stone according to claim 1, characterized in that: The bottom of the cross-shaped wooden column (1) is machined with a hole diameter not less than 1 / 2 of the diameter of the cross-shaped wooden column (1) and a hole depth not less than 1.5 times the hole diameter.

4. The cross-shaped timber-pit-stored graphite hardwood- graphite layer- along- column- base stone seismic isolation system according to claim 1, characterized in that: The pore-bearing graphite hardwood (9) is made from hard, broad-leaved wood logs such as oak, teak, or beech.

5. The cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone according to claim 1, characterized in that: The size of the thin cylindrical connecting key (13) is the same as the size of the bottom round hole of the cross-shaped wooden column (1). The thin cylindrical connecting key (13) is used to insert into the bottom round hole of the cross-shaped wooden column (1) to achieve positioning and docking.

6. The cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone according to claim 1, characterized in that: The hole-embedded graphite hardwood (9) is connected to the bottom of the cross-shaped wooden column (1) by first applying structural adhesive to the upper surface of the hole-embedded graphite hardwood and the surface of the thin cylindrical connecting key, and then inserting the hole-embedded graphite hardwood thin cylindrical connecting key into the bottom round hole of the cross-shaped wooden column to achieve the connection between the two.

7. The cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone according to claim 1, characterized in that: The concave spherical column base stone (15) is made of granite with a cylindrical groove on the upper part, and the groove is processed downward into a concave spherical column base stone, a drum-shaped column base stone, or a square column base stone.

8. The cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone according to claim 1, characterized in that: The graphite layer (9) is laid on the concave spherical surface of the column base stone with limiting function, and plays a lubricating role.

9. The cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone according to claim 1, characterized in that: The graphite storage holes (12) are used to store graphite. When an earthquake occurs, the seismic isolation system is activated, and the graphite in the vertical graphite storage holes (12) flows out to replenish the graphite layer (14) on the concave spherical surface (16) of the column base stone, thereby enhancing the seismic isolation effect. When the amount of graphite in the vertical graphite storage holes (12) is insufficient, it is supplemented through the oblique graphite storage holes (12). During construction, graphite is first laid between the convex spherical section (10) and the concave spherical section (16). After all the graphite is in place, graphite is injected through the side holes of the coarse cylindrical section of the hardwood with hole-filled graphite to form a hole-filled graphite structure. After the graphite is injected, the side holes of the coarse cylindrical section are sealed with small round wood.

10. The cross-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone according to claim 1, characterized in that: The annular tempered glass sealing plate (18) is surrounded by square sponge strips. The sponge strips are pasted inward from the outer edge to create a space for sealing with glass glue. The square sponge strips prevent the annular tempered glass from colliding with the column base stone limit edge during the sliding process of the wooden column bottom. During construction, four annular tempered glass sealing plates are inserted into the bottom of the four round logs of the cross-shaped wooden column. Four symmetrically arranged self-tapping screw wooden blocks are used to support the round logs below the four annular tempered glass sealing plates. After the seismic isolation system is installed, the self-tapping screw wooden blocks are removed and the four annular tempered glass sealing plates are lowered into place. Then, the joints between the four annular tempered glass sealing plates and the corresponding round logs, as well as the positions of the square sponge strips that contact the corresponding concave spherical limiters along the column base stone, are sealed with glass glue.

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