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

Abstract

The invention discloses an L-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 L-shaped wooden column. The shock insulation system is composed of an L-shaped wooden column, three pieces of hole-hidden graphite hardwood, three pieces of concave spherical surface column foundation stones with limiting edges, a graphite layer and three annular tempered glass sealing plates. The L-shaped wooden column is formed by connecting three 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 the friction force between the convex spherical surface of the hole-hidden graphite hardwood and the concave spherical surface of the column foundation stone. The concave spherical surface of the column foundation stone can enable the L-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 L-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 seismic isolation at the bottoms of the L-shaped wooden columns reduces the seismic action of an upper structure, and self-resetting after an earthquake achieves structural toughness seismic resistance.

Description

Technical Field

[0001] This invention relates to an L-shaped wooden column-holed graphite hardwood-graphite layer-concave spherical band limiting seismic isolation system along the column base stone, 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 timber-framed designs is limited by the availability of large-diameter logs. This invention proposes a technical solution for using L-shaped timber columns made from relatively small-diameter round timber as corner posts in timber-framed houses. The axis of the L-shaped timber column aligns with the axis of the wall panel, resulting in aesthetically pleasing and practical room layouts, convenient structural component connections, and adaptation to the needs of house layout while addressing 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. 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 L-shaped timber columns, using a concave spherical base with limiting spacers 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 L-shaped wooden post is composed of round logs at the ends of two post members, round logs at the intersection of the post members, square wooden ladders, and bamboo plywood covering both sides of the square wooden ladders. There are two structural forms for the connection between the three round logs at the bottom of the L-shaped wooden column and the three column base stones: (1) The upper surface of the column base stone is flat, and the bottom of the three round logs of the L-shaped wooden column is placed directly on the three column base stones. Under the action of earthquake, the bottom of the L-shaped wooden column and the column base stone form a sliding isolation structure. This structure has the advantage of reducing the earthquake action transmitted to the upper structure under the action of earthquake isolation at the bottom of the L-shaped wooden column. However, it has the defect that the L-shaped wooden column cannot be reset after sliding after the earthquake. The inability of the L-shaped wooden column to be reset after the earthquake makes the structure unable to maintain and restore its original function, resulting in poor seismic toughness. (2) A groove is set in the center of the upper surface of the column base stone. The bottom of the three round logs of the L-shaped wooden column or the protruding wooden tenon at the bottom is respectively embedded in the groove on the upper part of the three column base stones. Under the action of earthquake, the bottom of the L-shaped wooden column and the column base stone form a non-sliding isolation structure. The bottom of the L-shaped wooden column cannot reduce the horizontal earthquake action transmitted to the upper structure like sliding isolation. Although the bottom of the L-shaped wooden column does not slide 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 L-shaped wooden columns lies in how to update the structure between the three round logs at the bottom of the L-shaped wooden column and the three column base stones to a sliding self-resetting seismic isolation structure. Therefore, it is urgent to develop a seismic isolation system that allows for both sliding seismic isolation between the three round logs at the bottom of the L-shaped wooden column and the three column base stones, as well as self-resetting after an earthquake. This system has the advantages of reducing the transmission of ground motion to the upper structure due to seismic isolation at the bottom of the L-shaped wooden column and the structural toughness and seismic resistance advantages of self-resetting after an earthquake. Summary of the Invention

[0004] The technical objective of this invention is to design an L-shaped wooden column-perforated graphite hardwood-graphite layer-concave spherical base stone seismic isolation system, primarily used for seismic isolation and self-resetting of the base of an L-shaped wooden column in a timber structure. This seismic isolation system consists of an L-shaped wooden column, three perforated graphite hardwood sections, three concave spherical base stones with limiting edges, a graphite layer, and three annular tempered glass sealing plates. The L-shaped wooden column is formed by connecting three round logs using square timber ladders and bamboo plywood. The perforated graphite hardwood section is composed of a convex spherical section processed from a single piece of wood, a thick cylindrical section, perforated graphite holes, and a thin cylindrical connecting key. The graphite layer reduces the friction between the convex spherical surface of the perforated graphite hardwood and the concave spherical surface of the base stone. The concave spherical surface of the base stone allows the L-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 L-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 L-shaped wooden columns and achieving structural toughness and seismic resistance through self-resetting after an earthquake.

[0005] The L-shaped wooden column-holed graphite hardwood-graphite layer-column base stone seismic isolation system includes L-shaped wooden columns, which are set at the corners of the wooden frame house, and the axis of the L-shaped wooden columns is consistent with the axis of the wall panels of the wooden frame house. It also includes perforated graphite hardwood and concave spherical retaining column base stone; the bottom of the L-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 retaining column base stone. The L-shaped wooden column comprises two mutually perpendicular L-shaped wooden column legs and bamboo plywood covering both sides of the L-shaped wooden column legs; each L-shaped wooden column leg is composed of L-shaped wooden column ladders between end round logs and intersection round logs; each L-shaped wooden column ladder is connected by multiple horizontal square logs; the horizontal square logs between the two L-shaped wooden column legs are arranged alternately; the two L-shaped wooden column legs share an intersection round log; the end round logs, L-shaped wooden column ladders and intersection round logs of the L-shaped wooden column legs are connected by mortise and tenon joints, and the bamboo plywood is connected to the L-shaped wooden column legs by self-tapping screws; the bottoms of the two intersection round logs and one end round log of the L-shaped wooden column are placed on three concave spherical limiting stones along the column base; 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, processed from a single piece of wood. The bottom of the L-shaped wooden column has a cylindrical hole in the center. The diameter and length of the fine cylindrical connecting key are the same as the diameter and depth of the cylindrical hole at the bottom of the L-shaped wooden column, and the fine cylindrical connecting key is embedded into the cylindrical hole at the bottom of the L-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; the vertical perforated graphite holes extend from the upper surface of the coarse cylindrical section to the convex spherical surface on the lower surface and are radially distributed along the coarse cylindrical section; the oblique perforated graphite holes slope downwards along the side of the coarse cylindrical section and extend through the vertical perforated graphite holes and are circumferentially distributed along the coarse cylindrical section.

[0006] The L-shaped wooden post is composed of two round logs at the ends of two column members, round logs at the intersection of the column members, square timber ladders, and bamboo plywood covering both sides of the square timber ladders. The L-shaped wooden post has three round logs: the round logs at the ends of the two column members, the round logs at the intersection of the column members, and the round logs at the intersection of the column members, which are the common edge components of the two column members. After the round logs at the ends of the two column members, the square timber ladders, and the round logs at the intersection of the L-shaped wooden post are connected by mortise and tenon joints, the square timber ladders are covered on both sides with bamboo plywood and connected with self-tapping screws. The square timbers of the square timber ladders are spaced about 300mm apart, the cross-sectional width of the square timbers is 1 / 3 of the diameter of the round logs, and the cross-sectional height is twice the cross-sectional width. The bottom center of the three round logs of the L-shaped wooden post is machined with a round hole with a diameter not less than 1 / 2 the diameter of the round logs and a depth not less than 1.5 times the diameter of the round logs. The round logs at the ends of the L-shaped wooden columns, the round logs at the intersections of the columns, and the square wooden ladders are made of pine and other woods. The bottoms of the three round logs at the ends of the columns are placed on three 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 circular hole at the bottom of the L-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 L-shaped wooden column. After the surface of the thin cylindrical connecting key is coated with structural adhesive, it is inserted into the bottom round hole of the L-shaped wooden column to achieve the connection between the two.

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

[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 x 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 bottom of the wooden column. During construction, first insert the three ring-shaped tempered glass sealing plates into the bottom of the three round logs of the L-shaped wooden column at a height of about 300mm (the height of the bottom of the three round logs of the L-shaped wooden column corresponds to the height of the bottom of the bamboo plywood). Then, use four symmetrically arranged self-tapping screws on the round logs below the three ring-shaped tempered glass sealing plates to connect them to the round logs and support the three 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 three ring-shaped tempered glass sealing plates into place. Then, seal the joints between the three 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 existing technologies, the present invention relates to an L-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 L-shaped wooden column-holed graphite hardwood-graphite layer-concave spherical limiting column base stone seismic isolation system of the present invention can be standardized in design and industrialized in preparation. It has low cost, convenient assembly and construction, and is 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 L-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 L-shaped wooden column during the earthquake. The seismic isolation system has the function of reducing the seismic effect of the upper structure by isolating the bottom of the L-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 an L-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 an L-shaped wooden pillar structure.

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the graphite hardwood with holes.

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

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

[0022] like Figures 1-4 As shown, the technical solution of the present invention is an L-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone, including an L-shaped wooden column 1, wherein the L-shaped wooden column 1 is set at the corner of the wooden frame house, and the axis of the L-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 L-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 L-shaped wooden column 1 includes two mutually perpendicular L-shaped wooden column legs 2 and bamboo plywood 8 covering both sides of the L-shaped wooden column legs 2; each L-shaped wooden column leg 2 is composed of L-shaped wooden column ladder 3 between end round wood 4 and intersection round wood 5; each L-shaped wooden column ladder 3 is connected by multiple horizontal square wood 7; the horizontal square wood 7 between the two L-shaped wooden column legs 2 are arranged alternately; the intersection round wood 5 is shared between the two L-shaped wooden column legs 6; the end round wood 4, L-shaped wooden column ladder 3 and intersection round wood 5 of the L-shaped wooden column leg 2 are connected by mortise and tenon joints, and the bamboo plywood 2 is connected to the L-shaped wooden column leg 2 by self-tapping screws; the bottom of the two intersection round wood 5 and one end round wood 4 of the L-shaped wooden column 1 is placed on three concave spherical limiting columns 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. The bottom of the L-shaped wooden column 1 has a cylindrical hole 6 at its 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 L-shaped wooden column. The fine cylindrical connecting key 13 is embedded and connected to the cylindrical hole 6 at the bottom of the L-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 L-shaped wooden column 1 is a circular cross-section wooden column processed from logs.

[0024] Furthermore, the bottom center of the L-shaped wooden column 1 is machined with a hole diameter not less than 1 / 2 the diameter of the L-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 L-shaped wooden column 1, and the thin cylindrical connecting key 13 is used to insert into the bottom round hole of the L-shaped wooden column 1 to achieve positioning and docking.

[0027] Furthermore, to connect the perforated graphite hardwood 9 to the bottom of the L-shaped wooden column 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 L-shaped wooden column to achieve the connection between the two.

[0028] Furthermore, the concave spherical 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 round pier-shaped base stone, a drum-shaped base stone, or a square pier-shaped 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 limiting edge of the column base stone during the sliding process of the bottom of the wooden column. During construction, three annular tempered glass end plates are inserted into the bottom of the three round logs of the L-shaped wooden column. Four symmetrically arranged self-tapping screws and small wooden blocks are used to support the round logs below the three annular tempered glass end plates. After the seismic isolation system is installed, the self-tapping screws and small wooden blocks are removed, and the three annular tempered glass end plates are lowered into place. Then, the joints between the three annular tempered glass end 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.

[0032] For newly constructed timber structures, the dimensions of the L-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, stress calculations are performed on the seismic isolation system, and the components are prepared, transported, and assembled on-site.

[0033] A seismic isolation system was proposed, consisting of an L-shaped wooden column, a perforated graphite hardwood, a graphite layer, a concave spherical base stone with limiting features, and an annular tempered glass sealing plate. Figure 1 L-shaped wooden column structure ( Figure 2 ), Kongzang graphite hardwood ( Figure 3 ), concave spherical surface with limiting along the column base stone ( Figure 4 ): L-shaped wooden column 1, L-shaped wooden column limb 2, L-shaped wooden column ladder connected by mortise and tenon joints of round wood at the end of L-shaped wooden column limb - square wood ladder - round wood at the intersection of column limb 3, end round wood 4, intersection round wood 5, round hole at the bottom of L-shaped wooden column round wood 6, square wood ladder 7, bamboo plywood connected with self-tapping screws on both sides of the square wood ladder frame of L-shaped wooden column limb 8, graphite hardwood with hole 9, convex spherical section 10, thick cylindrical section 11, graphite hole 12, thin cylindrical connecting key 13, graphite layer 14, concave spherical with limiting edge column base stone 15, cylindrical groove on the upper part of column base stone and concave spherical surface with groove facing downward 16, annular limiting edge on the upper part of column base stone 17, annular tempered glass sealing plate 18.

[0034] The L-shaped wooden post 1 is composed of L-shaped wooden post legs 2.

[0035] The L-shaped wooden column 2 is composed of bamboo plywood 8 covering both sides of the L-shaped wooden column ladder 3 and the square wooden ladder 7.

[0036] The L-shaped wooden column ladder 3 is formed by mortise and tenon joints connecting the round wood 4 at the end of the L-shaped wooden column, the square wooden ladder 7, and the round wood 5 at the intersection of the column.

[0037] The round logs 4 at the ends of the L-shaped wooden column and the round logs 5 at the intersection of the column members are made of pine or other logs.

[0038] The L-shaped wooden post bottom hole 6 is a round hole with a diameter not less than 1 / 2 of the round post diameter and a depth not less than 1.5 times the diameter, machined in the middle of the bottom of the L-shaped wooden post.

[0039] 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. The square timbers are made of wood such as pine.

[0040] The bamboo plywood 8 is a bamboo plywood board connected with self-tapping screws covering both sides of the square wooden ladder frame of the L-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.

[0041] 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.

[0042] The convex spherical segment 10 has the same curvature as the concave spherical surface of the column base stone.

[0043] The aforementioned coarse cylindrical segment 11 has a diameter equal to that of the L-shaped wooden column.

[0044] The graphite-containing hole 12 consists of four vertical circular holes symmetrically arranged, which are open from the top surface of the graphite-containing hardwood cylinder to the convex spherical surface below, and four oblique circular holes that are inclined downward from the side surface of the graphite-containing hardwood cylinder and are connected to the four vertical circular holes.

[0045] The thin cylindrical connecting key 13: The size of the thin cylindrical connecting key is the same as the size of the round hole at the bottom of the L-shaped wooden column. After the surface of the thin cylindrical connecting key is coated with structural adhesive, it is inserted into the round hole at the bottom of the L-shaped wooden column to achieve the connection between the two.

[0046] The graphite layer 14: The graphite layer is laid between the concave spherical surface 16 of the concave spherical surface with limiting along the column base stone 15 and the convex spherical surface 10 of the graphite hardwood with holes. The graphite plays the role of lubrication and reducing friction.

[0047] 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.

[0048] 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.

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

Claims

1. An L-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone, comprising an L-shaped wooden column (1), wherein the L-shaped wooden column (1) is set at the corner of a wooden frame house, and the axis of the L-shaped wooden column (1) is consistent with the axis of the wall panel of the wooden frame house; Its features are: It also includes a perforated graphite hardwood (9) and a concave spherical base stone (15) with a limiting edge; the bottom of the L-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 L-shaped wooden column (1) includes two mutually perpendicular L-shaped wooden column legs (2) and bamboo plywood (8) covering both sides of the L-shaped wooden column legs (2); each L-shaped wooden column leg (2) is composed of L-shaped wooden column ladders (3) between end round wood (4) and intersection round wood (5); each L-shaped wooden column ladder (3) is connected by multiple horizontal square wood (7); the horizontal square wood (7) between the two L-shaped wooden column legs (2) are arranged alternately; the two L-shaped wooden column legs (6) share the intersection round wood (5); the end round wood (4), L-shaped wooden column ladder (3) and intersection round wood (5) of the L-shaped wooden column leg (2) are connected by mortise and tenon joints, and the bamboo plywood (2) is connected to the L-shaped wooden column leg (2) by self-tapping screws; the bottom of the two intersection round wood (5) and one end round wood (4) of the L-shaped wooden column (1) is placed on three 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 L-shaped wooden column (1) has an L-shaped cylindrical hole (6) at its center. The diameter and length of the fine cylindrical connecting key (13) are consistent with the diameter and depth of the L-shaped cylindrical hole (6). The fine cylindrical connecting key (13) is embedded into the L-shaped cylindrical hole (6). The curvature of the spherical segment (10) is equal to the curvature of the concave spherical surface (16); the graphite hardwood (9) has graphite holes (12), the vertical graphite holes (12) penetrate the convex spherical surface on the lower surface of the upper surface of the coarse cylindrical segment (11) and are arranged radially along the coarse cylindrical segment (11), and the oblique graphite holes (12) are inclined downward along the side of the coarse cylindrical segment (11) and penetrate the vertical graphite holes (12) and are arranged circumferentially along the coarse cylindrical segment (11).

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

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

4. The L-shaped wooden column-holed graphite hardwood-graphite layer-seismic isolation system along the column base stone 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 L-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 consistent with the size of the bottom round hole of the L-shaped wooden column (1). The thin cylindrical connecting key (13) is used to insert into the bottom round hole of the L-shaped wooden column (1) to achieve positioning and docking.

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

7. The L-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 L-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 L-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 L-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, three annular tempered glass end plates are inserted into the bottom of the three round logs of the L-shaped wooden column. Four symmetrically arranged self-tapping screws and small wooden blocks are used to support the round logs below the three annular tempered glass end plates. After the seismic isolation system is installed, the self-tapping screws and small wooden blocks are removed, and the three annular tempered glass end plates are lowered into place. Then, the joints between the three annular tempered glass end 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.

Images