Separated anti-seismic foundation structure

Abstract

The utility model discloses a separating type anti-seismic foundation structure which comprises a bearing platform arranged in a foundation, a column or a shear wall installed in the bearing platform, a foundation beam arranged on the foundation and covering the bearing platform and a foundation soil layer arranged on the foundation beam, the column or the shear wall upwards penetrates through and extends out of the foundation beam and the foundation soil layer, the bearing platform is provided with a pit, and the pit is provided with an anti-seismic layer. The lower end of the column or the shear wall is arranged in the pit; the periphery of the lower end of the column or the shear wall is sleeved with a steel plate sleeve, and a layer of longitudinal anti-seismic second porous weather-proof colloidal silica is arranged between the column or the shear wall and the steel plate sleeve; a first porous weather-proof silica gel body capable of transversely resisting shock is arranged between the periphery of the steel plate sleeve and the inner wall of the pit, and a rolling structure is arranged in the pit and comprises a carrier and a plurality of steel balls installed in the carrier in a rotatable mode. The upper end and the lower end of the steel ball protrude out of the upper end face and the lower end face of the carrier respectively and make contact with the lower end face of the steel plate sleeve and the bottom face of the pit respectively.

Description

Technical fields:

[0001] This utility model relates to the field of building technology, and specifically to a separate seismic-resistant foundation structure. Background technology:

[0002] Earthquakes are highly destructive natural phenomena that often cause severe casualties, the vast majority of which are caused by damage to or collapse of buildings. Therefore, improving the seismic resistance of buildings is one of the main measures to enhance the comprehensive defense capabilities of cities, and it is also a major task in earthquake prevention and disaster reduction.

[0003] Chinese utility model patent application number CN202020259212 discloses an earthquake-resistant building foundation structure, which includes an anti-tilting device and a vibration isolation device disposed between the building base and the foundation. The vibration isolation device includes a mounting base, a reset mechanism, and a support base. The mounting base is connected to the bottom of the foundation. The reset mechanism includes a column and a cavity disposed on the mounting base, with an opening on the upper surface of the cavity. One end of the column extends into the opening and is connected to the mounting base inside the cavity via a first reset spring. The support base is frustum-shaped, with the top surface of the frustum fixedly connected to the other end of the column, and the top surface is connected to the upper surface of the cavity via two second reset springs on both sides of the column. The bottom surface of the support base is fixedly connected to the bottom surface of the building base. This structure can effectively improve the earthquake resistance of the building and enhance its safety.

[0004] The aforementioned earthquake-resistant building foundation structure consists of anti-tilting devices and vibration isolation devices between the building base and the foundation. These are fixed connections, linking the building base and foundation together to form a unified whole. The anti-tilting devices support the building base relative to the foundation to prevent tilting, while the vibration isolation devices isolate the building base from vibrations. However, both the anti-tilting and vibration isolation devices suffer from drawbacks such as numerous parts, complex structures, and high manufacturing costs. Furthermore, these devices require bolts or other structural fixings to the building base and foundation, making assembly inconvenient. Moreover, when the building base shifts relative to the foundation in a horizontal or horizontally inclined direction, it is subject to the pull of the vibration isolation devices, which can easily lead to detachment.

[0005] In view of the above, the inventors propose the following technical solution. Utility Model Content:

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a separate seismic-resistant foundation structure.

[0007] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: The separated seismic-resistant foundation structure includes a foundation cap set in the foundation, a column or shear wall installed in the foundation cap, a foundation beam set on the foundation and covering the foundation cap, and a foundation soil layer set on the foundation beam. The column or shear wall passes upward through and extends beyond the foundation beam and the foundation soil layer. The foundation cap has a recess, and the lower end of the column or shear wall is set in the recess. A U-shaped steel plate sleeve is also fitted around the lower end of the column or shear wall. A second porous layer for longitudinal seismic resistance is also provided between the lower end face of the column or shear wall and the inner bottom surface of the steel plate sleeve. Weather-resistant silicone body; a first porous weather-resistant silicone body capable of elastic deformation for lateral seismic resistance is provided between the outer periphery of the steel plate sleeve and the inner wall of the pit. A rolling structure is provided in the pit, which includes a carrier and multiple steel balls rotatably installed in the carrier. The upper and lower ends of the steel balls protrude from the upper and lower end faces of the carrier, respectively. The lower end face of the steel plate sleeve contacts the upper end of the steel balls. The lower end of the steel balls contacts the bottom surface of the pit. The column or shear wall forms a structure that can move horizontally between itself and the bearing platform through the steel plate sleeve, steel balls and bearing platform. The first porous weather-resistant silicone body provides elastic support and positioning for the lower periphery of the column or shear wall.

[0008] Furthermore, in the above technical solution, a steel plate is also laid on the bottom surface of the pit, and the lower end of the steel ball contacts the upper surface of the steel plate.

[0009] Furthermore, in the above technical solution, the lower end face of the first porous weather-resistant silicone body is also fitted to the upper end face of the steel plate, and the inner side of the first porous weather-resistant silicone body is also in contact with the outer side of the rolling structure.

[0010] Furthermore, in the above technical solution, the lower end of the column or shear wall is convex-shaped, with an outwardly protruding base. The upper end of the pit is provided with a tapering portion to reduce the size of the opening, so that the longitudinal section of the pit is convex-shaped, and the width of the base is greater than the size of the opening at the upper end of the pit. The tapering portion also abuts against the upper surface of the first porous weather-resistant silicone body. A clay sealing layer is also filled between the outer periphery of the lower end of the column or shear wall, the opening at the upper end of the pit, and the inner wall of the first porous weather-resistant silicone body.

[0011] Furthermore, in the above technical solution, the steel plate sleeve is wrapped around the lower end and periphery of the base, and the upper end surface of the steel plate sleeve is flush with the upper end surface of the base. The clay sealing layer covers the upper end surface of the steel plate sleeve and the upper end surface of the base, and the clay sealing layer also contacts the inner wall of the first porous weather-resistant silicone body.

[0012] Furthermore, in the above technical solution, the foundation is also covered with a clay sealing layer.

[0013] Furthermore, in the above technical solution, the longitudinal section of the support platform is convex.

[0014] Furthermore, in the above technical solution, the lower end of the pier is also connected to several foundation piles, which are embedded and fixed in the foundation.

[0015] Furthermore, in the above technical solution, the first porous weather-resistant silicone body is annular, and there are multiple of them, with multiple first porous weather-resistant silicone bodies stacked one on top of the other.

[0016] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: The present invention provides a steel plate sleeve at the lower end of the column or shear wall, and sets a rolling structure between the steel plate sleeve and the bottom surface of the pit. The column or shear wall forms a structure that can move horizontally between itself and the foundation through the steel plate sleeve, the steel balls of the rolling structure, and the first porous weather-resistant silicone body forms an elastic support and positioning for the lower periphery of the column or shear wall. A second layer of longitudinally seismic-resistant porous weather-resistant silicone body is also set between the lower end surface of the column or shear wall and the inner bottom surface of the steel plate sleeve, so that the column or shear wall and the foundation are not directly fixedly connected, but form a separable assembly structure. Under normal conditions, the first porous weather-resistant silicone body provides elastic support and positioning for the lower periphery of the column or shear wall, ensuring the column or shear wall is stably positioned within the recess. This prevents the column or shear wall from moving horizontally relative to the foundation via the steel plate sleeve or steel balls, thus guaranteeing the stability of the assembled structure and allowing the column or shear wall to stably support the building structure above it. During an earthquake, the second porous weather-resistant silicone body provides elastic support for the lower periphery of the column or shear wall, absorbing longitudinal vibrations and achieving earthquake resistance or isolation to a certain extent. Simultaneously, when the column or shear wall experiences horizontal vibrations, the elastic support and positioning provided by the first porous weather-resistant silicone body helps absorb these vibrations when the horizontal vibration is relatively small. When the vibration is relatively large, the first porous weather-resistant silicone body directly absorbs the vibration. When the horizontal vibration is relatively large, the column or shear wall can move horizontally relative to the foundation through the steel plate sleeve and the steel balls of the rolling structure, and squeeze the first porous weather-resistant silicone body. In addition, the elastic effect of the first porous weather-resistant silicone body can achieve seismic resistance and prevent the column or shear wall from tilting, ensuring that the column or shear wall is always in an upright state. This ensures that the column or shear wall is stably positioned in the foundation, achieving excellent seismic resistance. The column or shear wall can stably support the building above it, preventing the building from tilting and collapsing. Moreover, the structure of this utility model is simple and does not require bolts or other connections. Its construction operation is simple, and the construction cost is relatively high. Attached image description:

[0017] Figure 1 This is a structural diagram of the present invention. Detailed implementation method:

[0018] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0019] See Figure 1 As shown, a separated seismic-resistant foundation structure includes a foundation 2 set in the foundation 1, a column or shear wall 3 installed in the foundation 2, a foundation beam 4 set on the foundation 1 and covering the foundation 2, and a foundation soil layer 5 set on the foundation beam 4. The column or shear wall 3 passes upward through and extends out of the foundation beam 4 and the foundation soil layer 5. The foundation 2 has a recess 21, and the lower end of the column or shear wall 3 is set in the recess 21.

[0020] The main improvements of this utility model are as follows: a U-shaped steel plate sleeve 6 is fitted around the lower end of the column or shear wall 3, and a second porous weather-resistant silicone body 7 with longitudinal seismic resistance is provided between the lower end face of the column or shear wall 3 and the inner bottom surface of the steel plate sleeve 6; a first porous weather-resistant silicone body 8 with elastic deformation for lateral seismic resistance is provided between the outer periphery of the steel plate sleeve 6 and the inner wall of the pit 21; a rolling structure 9 is provided in the pit 21, which includes a carrier 91 and a plurality of steel balls 92 rotatably installed in the carrier 91, with the upper and lower ends of the steel balls 92 protruding from the upper and lower end faces of the carrier 91 respectively; the lower end face of the steel plate sleeve 6 contacts the upper end of the steel balls 92; the lower end of the steel balls 92 contacts the bottom surface of the pit 21, and the column or shear wall 3 forms a structure that can move horizontally between itself and the support platform 2 through the steel plate sleeve 6, the steel balls 92, and the first porous weather-resistant silicone body 8 provides elastic support and positioning for the lower periphery of the column or shear wall 3. In other words, this utility model provides a steel plate sleeve 6 fitted at the lower end of the column or shear wall 3, and a rolling structure 9 is provided between the steel plate sleeve 6 and the bottom surface of the recess 21. The column or shear wall 3 forms a structure that can move horizontally between itself and the foundation 2 through the steel plate sleeve 6, the steel balls 92 of the rolling structure 9, and the first porous weather-resistant silicone body 8 provides elastic support and positioning for the lower periphery of the column or shear wall 3. A second porous weather-resistant silicone body 7 with longitudinal seismic resistance is also provided between the lower end surface of the column or shear wall 3 and the inner bottom surface of the steel plate sleeve 6, so that the column or shear wall 3 and the foundation 2 are not directly fixedly connected, but form a separable assembly structure.Under normal conditions, the first porous weather-resistant silicone body 8 provides elastic support and positioning to the lower periphery of the column or shear wall 3, ensuring the column or shear wall 3 is stably positioned within the recess 21. This prevents the column or shear wall 3 from moving horizontally relative to the foundation 2 via the steel plate sleeve 6 and steel balls 92, thus guaranteeing the stability of the assembled structure and enabling the column or shear wall 3 to stably support the building structure above it. During an earthquake, the second porous weather-resistant silicone body 7 provides elastic support to the lower periphery of the column or shear wall 3, absorbing longitudinal vibrations and achieving earthquake resistance or isolation to a certain extent. Simultaneously, when the column or shear wall 3 experiences horizontal vibrations, the first porous weather-resistant silicone body 8 provides elastic support and positioning to the lower periphery of the column or shear wall 3, preventing the horizontal vibrations from shifting horizontally. When the vibration is small, the first porous weather-resistant silicone body 8 directly absorbs the vibration. When the horizontal vibration is relatively large, the column or shear wall 3 can move horizontally relative to the foundation 2 through the steel plate sleeve 6 and the steel balls 92 of the rolling structure 9, and squeeze the first porous weather-resistant silicone body 8. The elasticity of the first porous weather-resistant silicone body 8 can achieve seismic resistance and prevent the column or shear wall 3 from tilting, ensuring that the column or shear wall 3 is always upright. This ensures that the column or shear wall 3 is stably positioned in the foundation 2, achieving excellent seismic resistance. The column or shear wall 3 can stably support the building above it, preventing the building from tilting and collapsing. Moreover, the structure of this utility model is simple and does not require bolts or other connections. Its construction operation is simple, and the construction cost is relatively high.

[0021] To improve the load-bearing capacity of the pit 21, the following design is also made: a steel plate 22 is laid on the bottom surface of the pit 21, and the lower end of the steel ball 92 contacts the upper surface of the steel plate 22, so as to enhance the load-bearing capacity of the pit 21, thereby ensuring that the column or shear wall 3 is more stably supported on the foundation 2, and ensuring the load-bearing capacity of this utility model.

[0022] The lower end face of the first porous weather-resistant silicone body 8 is also fitted to the upper end face of the steel plate 22, thereby constraining the steel plate 22 and making it more stably fitted to the bottom surface of the recess 21. The outer side of the steel plate 22 and the inner wall of the recess 21 can also be filled with cement, colloids, or other fillers, making the steel plate 22 more stably fitted to the bottom surface of the recess 21. Furthermore, the inner side of the first porous weather-resistant silicone body 8 is in contact with the outer side of the rolling structure 9, thereby providing elastic support and positioning for the rolling structure 9, further enhancing the stability of the structure of this invention.

[0023] The lower end of the column or shear wall 3 is convex, with an outwardly protruding base 31. The upper end of the recess 21 is provided with a tapering part 211 to reduce the size of the opening, so that the longitudinal section of the recess 21 is convex. The width of the base 31 is greater than the size of the opening 212 at the upper end of the recess 21. The tapering part 211 also abuts against the upper surface of the first porous weather-resistant silicone body 8. A clay sealing layer 23 is also filled between the outer periphery of the lower end of the column or shear wall 3, the opening 212 at the upper end of the recess 21, and the inner wall of the first porous weather-resistant silicone body 8. During construction, the opening of the recess 21 has the same shape as its inner cavity, which facilitates the loading of parts or workpieces such as the steel plate 22, the first porous weather-resistant silicone body 8, and the rolling structure 9. After assembly, a tapering part 211 is provided at the upper end of the recess 21 to reduce the size of the opening. The tapering part 211 also abuts against the upper surface of the first porous weather-resistant silicone body 8, and the width of the base 31 is greater than the size of the opening 212 at the upper end of the recess 21, so as to ensure that the base 31 will not or is not easily removed from the recess 21. Finally, clay is filled between the lower outer periphery of the column or shear wall 3 and the opening 212 at the upper end of the recess 21 and the inner wall of the first porous weather-resistant silicone body 8, so that the lower outer periphery of the column or shear wall 3 and the opening 212 at the upper end of the recess 21 and the inner wall of the first porous weather-resistant silicone body 8 are also filled with a clay sealing layer 23, thereby ensuring the stability of the entire assembly structure. Furthermore, the foundation 1 is also covered with a clay sealing layer 23, which better defines the clay sealing layer 23, and the column or shear wall 3, the pile cap 2, and the first porous weather-resistant silicone body 8 form a stable assembly. Moreover, the steel plate sleeve 6 is fitted around the lower end and periphery of the base 31, and the upper surface of the steel plate sleeve 6 is flush with the upper surface of the base 31. The clay sealing layer 23 covers the upper surface of the steel plate sleeve 6 and the upper surface of the base 31, and the clay sealing layer 23 also contacts the inner wall of the first porous weather-resistant silicone body 8, which can form an assembly structure that increases stability.

[0024] The longitudinal section of the foundation 2 is convex, which allows the foundation 2 to be more stably positioned in the foundation 1. In addition, the lower end of the foundation 2 is connected to several foundation piles 24, which are embedded and fixed in the foundation 1, so that the foundation 2 can be more stably positioned in the foundation 1.

[0025] The first porous weather-resistant silicone body 8 is ring-shaped, and there are multiple of them. Multiple first porous weather-resistant silicone bodies 8 are stacked and assembled one on top of the other. This segmented structure can not only improve assembly efficiency and facilitate installation, but also improve the shock resistance.

[0026] The carrier 91 of the rolling structure 9 can be an upper-lower structure or a left-right structure. Specifically, when the carrier 91 is an upper-lower structure, it includes an upper and a lower body. The surfaces of the upper and lower bodies that meet are respectively provided with an upper spherical groove and a lower spherical groove. The upper end face of the upper carrier is provided with an upper window that passes through the upper spherical groove, and the lower end face of the lower body is provided with a lower window that passes through the lower spherical groove. After the upper and lower ends of the steel ball 92 are inserted into the upper and lower spherical grooves, the upper and lower ends of the steel ball 92 also pass through the upper and lower windows to extend outside the upper and lower end faces of the upper and lower bodies. At this time, it is ensured that the steel ball 92 can roll or rotate between the upper and lower spherical grooves. Similarly, when the carrier 91 has a left-right structure, it includes left and right carriers. The surfaces of the left and right carriers that meet are respectively provided with a left spherical groove and a right spherical groove. The upper and lower ends of the left and right spherical grooves that meet are respectively formed with an upper window and a lower window. After the left and right ends of the steel ball 92 are inserted into the left and right spherical grooves, the left and right ends of the steel ball 92 also pass through the upper and lower windows to extend outside the upper and lower end surfaces of the left and right carriers. At this time, it is ensured that the steel ball 92 can roll or rotate between the left and right spherical grooves.

[0027] In summary, this utility model provides a steel plate sleeve 6 fitted at the lower end of the column or shear wall 3, and a rolling structure 9 is provided between the steel plate sleeve 6 and the bottom surface of the recess 21. The column or shear wall 3 forms a structure that can move horizontally between itself and the foundation 2 through the steel plate sleeve 6, the steel balls 92 of the rolling structure 9, and the first porous weather-resistant silicone body 8 provides elastic support and positioning for the lower periphery of the column or shear wall 3. A second porous weather-resistant silicone body 7 with longitudinal seismic resistance is also provided between the lower end surface of the column or shear wall 3 and the inner bottom surface of the steel plate sleeve 6, so that the column or shear wall 3 and the foundation 2 are not directly fixedly connected, but form a separable assembly structure. Under normal conditions, the first porous weather-resistant silicone body 8 provides elastic support and positioning to the lower periphery of the column or shear wall 3, ensuring the column or shear wall 3 is stably positioned within the recess 21. This prevents the column or shear wall 3 from moving horizontally relative to the foundation 2 via the steel plate sleeve 6 and steel balls 92, thus guaranteeing the stability of the assembled structure and enabling the column or shear wall 3 to stably support the building structure above it. During an earthquake, the second porous weather-resistant silicone body 7 provides elastic support to the lower periphery of the column or shear wall 3, absorbing longitudinal vibrations and achieving earthquake resistance or isolation to a certain extent. Simultaneously, when the column or shear wall 3 experiences horizontal vibrations, the first porous weather-resistant silicone body 8 provides elastic support and positioning to the lower periphery of the column or shear wall 3, preventing the horizontal vibrations from shifting horizontally. When the vibration is small, the first porous weather-resistant silicone body 8 directly absorbs the vibration. When the horizontal vibration is relatively large, the column or shear wall 3 can move horizontally relative to the foundation 2 through the steel plate sleeve 6 and the steel balls 92 of the rolling structure 9, and squeeze the first porous weather-resistant silicone body 8. The elasticity of the first porous weather-resistant silicone body 8 can achieve seismic resistance and prevent the column or shear wall 3 from tilting, ensuring that the column or shear wall 3 is always upright. This ensures that the column or shear wall 3 is stably positioned in the foundation 2, achieving excellent seismic resistance. The column or shear wall 3 can stably support the building above it, preventing the building from tilting and collapsing. Moreover, the structure of this utility model is simple and does not require bolts or other connections. Its construction operation is simple, and the construction cost is relatively high.

[0028] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A separated seismic-resistant foundation structure, comprising a pile cap (2) disposed in a foundation (1), a column or shear wall (3) installed within the pile cap (2), a foundation beam (4) disposed on the foundation (1) and covering the pile cap (2), and a foundation soil layer (5) disposed on the foundation beam (4), wherein the column or shear wall (3) extends upward through and beyond the foundation beam (4) and the foundation soil layer (5), wherein, The foundation (2) has a recess (21), and the lower end of the column or shear wall (3) is located in the recess (21); The features are as follows: a U-shaped steel plate sleeve (6) is also provided around the lower end of the column or shear wall (3); a second porous weather-resistant silicone body (7) with longitudinal seismic resistance is also provided between the lower end face of the column or shear wall (3) and the inner bottom surface of the steel plate sleeve (6); a first porous weather-resistant silicone body (8) capable of elastic deformation for lateral seismic resistance is provided between the outer periphery of the steel plate sleeve (6) and the inner wall of the pit (21); a rolling structure (9) is provided in the pit (21), the rolling structure (9) includes a carrier (91) and multiple components. A steel ball (92) is rotatably installed in the carrier (91), with its upper and lower ends protruding from the upper and lower end faces of the carrier (91), respectively; the lower end face of the steel plate sleeve (6) contacts the upper end of the steel ball (92); the lower end of the steel ball (92) contacts the bottom surface of the pit (21), and the column or shear wall (3) forms a structure that can move horizontally between each other through the steel plate sleeve (6), the steel ball (92) and the foundation (2), and the first porous weather-resistant silicone body (8) provides elastic support and positioning for the lower periphery of the column or shear wall (3).

2. The separable seismic-resistant foundation structure according to claim 1, characterized in that: A steel plate (22) is also laid on the bottom surface of the pit (21), and the lower end of the steel ball (92) is in contact with the upper surface of the steel plate (22).

3. A separated seismic-resistant foundation structure according to claim 2, characterized in that: The lower end face of the first porous weather-resistant silicone body (8) is also fitted to the upper end face of the steel plate (22), and the inner side of the first porous weather-resistant silicone body (8) is also in contact with the outer side of the rolling structure (9).

4. A separated seismic-resistant foundation structure according to any one of claims 1-3, characterized in that: The lower end of the column or shear wall (3) is convex and has an outwardly protruding base (31). The upper end of the pit (21) is provided with a constriction part (211) to reduce the size of the opening, so that the longitudinal section of the pit (21) is convex. The width of the base (31) is greater than the size of the opening (212) at the upper end of the pit (21). The constriction part (211) also abuts against the upper surface of the first porous weather-resistant silicone body (8). A clay sealing layer (23) is also filled between the outer periphery of the lower end of the column or shear wall (3), the opening (212) at the upper end of the pit (21), and the inner wall of the first porous weather-resistant silicone body (8).

5. A separated seismic-resistant foundation structure according to claim 4, characterized in that: The steel plate sleeve (6) is wrapped around the lower end and periphery of the base (31), and the upper end face of the steel plate sleeve (6) is flush with the upper end face of the base (31). The clay sealing layer (23) covers the upper end face of the steel plate sleeve (6) and the upper end face of the base (31). The clay sealing layer (23) also contacts the inner wall of the first porous weather-resistant silicone body (8).

6. A separable seismic-resistant foundation structure according to claim 4, characterized in that: The foundation (1) is also covered with a clay sealing layer (23).

7. A separable seismic-resistant foundation structure according to claim 4, characterized in that: The longitudinal section of the foundation (2) is convex.

8. A separable seismic-resistant foundation structure according to claim 7, characterized in that: The lower end of the foundation (2) is also connected to several foundation piles (24), which are embedded and fixed in the foundation (1).

9. A separable seismic-resistant foundation structure according to claim 4, characterized in that: The first porous weather-resistant silicone body (8) is ring-shaped, and there are multiple of them. Multiple first porous weather-resistant silicone bodies (8) are stacked and assembled one on top of the other.

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