CN115853137A - Disassembly-free embedded part of seismic isolation support and construction method thereof - Google Patents
Disassembly-free embedded part of seismic isolation support and construction method thereof Download PDFInfo
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- CN115853137A CN115853137A CN202211482205.9A CN202211482205A CN115853137A CN 115853137 A CN115853137 A CN 115853137A CN 202211482205 A CN202211482205 A CN 202211482205A CN 115853137 A CN115853137 A CN 115853137A
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Abstract
The invention provides a disassembly-free embedded part of a seismic isolation support and a construction method thereof, wherein the disassembly-free embedded part comprises: the device comprises a first annular plate, a second annular plate and a plurality of keel plates, wherein the second annular plate surrounds the first annular plate and is coaxially arranged with the first annular plate, and the second annular plate is matched with the bottom plate of the seismic isolation support in shape; a plurality of keel plates are uniformly dispersed between the first annular plate and the second annular plate, two adjacent keel plates, the first annular plate and the second annular plate enclose a vibrating part, and a vibrating device can be inserted in the vibrating part; the second annular plate is provided with a plurality of mounting holes, the mounting holes are provided with fasteners, and the fasteners connect the disassembly-free embedded part with the upper structure and the lower structure. The invention increases the insertion positions of the vibrating device, reduces the contact area between the vibrating device and concrete, is beneficial to improving the compactness and the flatness of the lower buttress, does not need to be dismantled after the lower buttress is poured and vibrated, and simplifies the construction process.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a disassembly-free embedded part of a shock insulation support and a construction method thereof.
Background
Earthquake disasters occur in China, and the earthquake-resistant and disaster-proof capability of construction projects is improved, so that the earthquake disaster risk is reduced, and casualties and property loss are reduced.
The application time of the shock insulation support in China is short, the mainstream construction process of the lower support pier of the shock insulation support is divided into a method of detaching an embedded plate and a method of not detaching the embedded plate, wherein the method has multiple construction steps and complex procedures, the embedded plate is a disposable consumable material, the requirement of detaching the embedded plate after use is inconsistent with the green construction requirement, the resource utilization rate of the embedded plate is not higher than that of the lower support pier, and the compressive strength of the lower support pier can be improved by integrally pouring the embedded plate and the lower support pier. However, the mounting of the shock insulation support has high requirements on the compactness and the flatness of the lower buttress, so that the requirement on concrete pouring is high without disassembling the slab, the number of exhaust holes of the embedded slab on the market is small at present, large-area slab air bubbles are easily formed during vibration, the flatness is reduced, and the vibration device is inserted into the concrete from the pouring hole in the center of the embedded slab for vibration, so that the lower buttress steel bars and other parts are prevented from being touched, the vibration is not uniform, and the compactness is reduced.
Disclosure of Invention
The invention aims to overcome the defects in the background art and provides a disassembly-free embedded part of a seismic isolation support and a construction method thereof.
The technical scheme adopted by the invention is as follows: a disassembly-free embedded part of a seismic isolation support comprises:
a first annular plate;
the second annular plate surrounds the first annular plate and is coaxially arranged with the first annular plate, and the shape of the second annular plate is matched with that of a bottom plate of the vibration isolation support;
the keel plates are uniformly dispersed between the first annular plate and the second annular plate, two adjacent keel plates, the first annular plate and the second annular plate enclose a vibrating part, and a vibrating device can be inserted in the vibrating part;
the second annular plate is provided with a plurality of mounting holes, the mounting holes are provided with fasteners, and the fasteners connect the non-dismantling embedded part with the upper structure and the lower structure.
Specifically, the first annular plate is annular.
Specifically, the keel plate is a rectangular plate, and the first annular plate and the second annular plate are respectively connected to two end portions of the keel plate in the length direction.
Specifically, the keel plate has a width that is the same as the width of the first annular plate.
Specifically, the number of the keel plates is 4-8.
Specifically, the thickness of each of the first annular plate, the second annular plate and the keel plate is greater than or equal to 30mm.
Specifically, the fastener includes sleeve, anchor bar and bolt, the sleeve sets up the mounting hole bottom, the anchor bar sets up telescopic bottom, the bolt passes the mounting hole with the sleeve spiro union.
Specifically, a rubber pad is arranged between the bolt and the mounting hole.
The invention also provides a construction method of the disassembly-free embedded part of the seismic isolation support, which comprises the following steps:
s1, welding the bottom of the anchor bar with a lower pier reinforcement cage, and mounting the sleeve on the top of the anchor bar;
s2, placing the first annular plate, the second annular plate, and the keel plate on top of the lower buttress cage, aligning the mounting holes with the sleeves, placing rubber pads in the mounting holes, passing the bolts through the mounting holes and threading the sleeves;
s3, pouring and vibrating the lower buttress concrete, and then floating the surface of the lower buttress concrete;
and s4, after initial setting and before final setting of the lower buttress concrete, taking down the rubber pads and the bolts, hoisting the shock insulation support to the top of the lower buttress concrete, and enabling the rubber pads and the bolts to penetrate through the bottom plate of the shock insulation support and be installed in the installation holes.
The invention has the beneficial effects that: the vibrating part can be inserted with a vibrating device, so that the vibrating device can fully vibrate the concrete as much as possible under the condition of not touching components such as lower buttress steel bars and the like, and the compactness of the lower buttress is improved; meanwhile, the contact area between the bottom surface of the non-dismantling embedded part and the concrete is small, air bubbles are not easy to form, the influence on the flatness of the lower pier is small, the subsequent procedures such as concrete surface floating and mounting of a shock insulation support can be directly carried out after pouring and vibrating, and the construction procedure is simplified.
Drawings
FIG. 1 is a plan view of embodiment 1 of the present invention;
FIG. 2 is a front view of embodiment 1 of the present invention;
FIG. 3 is a top view of embodiment 2 of the present invention;
fig. 4 is a front view of embodiment 3 of the present invention.
In the figure:
1. a first annular plate; 2. a second annular plate; 3. a keel plate; 4. a vibrating section; 5. mounting holes; 6. a sleeve; 7. anchoring ribs; 8. a bolt; 9. and (7) a rubber pad.
Detailed Description
The technical solutions of the embodiments of the present invention are described in detail below with reference to the drawings, but the scope of the present invention is not limited to the embodiments.
Referring to the accompanying drawings 1-2, a disassembly-free embedded part of a vibration isolation support comprises: the keel plate comprises a first annular plate 1, a second annular plate 2, a plurality of keel plates 3 and fasteners, wherein the second annular plate 2 surrounds the first annular plate 1 and is coaxially arranged with the first annular plate 1; a plurality of keel plates 3 evenly distributed between first annular plate 1 and second annular plate 2, two adjacent keel plates 3 enclose into the portion of vibrating 4 with first annular plate 1 and second annular plate 2, can insert the device of vibrating in the portion of vibrating 4. A cavity formed by the inner periphery of the first annular plate 1 can be used as a concrete pouring hole of the lower buttress, and after concrete is poured, the pouring hole and the plurality of vibrating parts 4 can be inserted with the vibrating device, so that the vibrating device can fully vibrate the concrete as far as possible under the condition of not touching components such as lower buttress steel bars and the like, and the compactness of the lower buttress is improved; meanwhile, the contact area between the bottom surface of the non-dismantling embedded part and the concrete is small, air bubbles are not easy to form, the influence on the flatness of the lower pier is small, the subsequent procedures such as concrete surface floating and mounting of a shock insulation support can be directly carried out after pouring and vibrating, and the construction procedure is simplified.
Because the non-dismantling embedded part is easy to be pressed and deformed in the links of transportation, installation and the like, the first annular plate 1 is preferably arranged to be in a ring shape, and the keel plate 3 and the first annular plate 1 are arranged to be in the same width, so that the non-dismantling embedded part can uniformly disperse the pressure to the concrete, resist the central positive bending moment and improve the impact resistance and the deformation resistance of the non-dismantling embedded part while the contact area with the concrete is greatly reduced. Meanwhile, in order to ensure the rigidity of the non-dismantling embedded part, the thicknesses of the first annular plate 1, the second annular plate 2 and the keel plate 3 are all more than or equal to 30mm; to reduce the difficulty of the floating of the lower abutment surface, the first annular plate 1, the second annular plate 2 and the keel plate 3 may be provided with the same thickness.
Referring to fig. 3-4, the second annular plate 2 should be adapted to the shape of the base plate of the seismic isolation bearing, which is currently available on the market, so that the second annular plate 2 may be suitably configured to be square or circular.
In some possible embodiments, the keel plate 3 is a rectangular plate, the inner diameter of the first annular plate 1 and the length of the keel plate 3 are precisely calculated according to the requirements of site construction, and the first annular plate 1 and the second annular plate 2 are connected to the two end parts of the keel plate 3 in the length direction, so that the area of the vibrating part 4 is reasonably increased, and full vibration is realized. Meanwhile, in order to achieve the aim, the keel plates 3 are not required to be arranged too densely, and 4-8 keel plates 3 can be arranged according to the site construction requirement and the shape of the bottom plate of the shockproof support.
Be equipped with a plurality of mounting holes 5 on the second annular plate 2, the fastener is installed on mounting hole 5, and the fastener includes sleeve 6, anchor bar 7 and bolt 8, and sleeve 6 sets up in 5 bottoms of mounting hole, and anchor bar 7 sets up in the bottom of sleeve 6, and bolt 8 passes mounting hole 5 and 6 spiro unions of sleeve. During construction, one end, far away from the second annular plate 2, of each anchor bar 7 is welded with the lower pier reinforcement cage, so that the non-dismantling embedded part is fixedly connected with the lower part structure, the bolt 8 is taken down after the lower pier is initially set and before final set, the shock insulation support is hoisted, the bolt 8 is screwed up, and the lower pier, the non-dismantling embedded part and the shock insulation support can be fixedly connected. Preferably, a rubber pad 9 is arranged between the bolt 8 and the mounting hole 5 to enhance the connection tightness.
Example 1:
referring to the accompanying drawings 1-2, a disassembly-free embedded part of a vibration isolation support comprises: a first annular plate 1, a second annular plate 2, 8 keel plates 3, and a plurality of fasteners. The thicknesses of the first annular plate 1, the second annular plate 2 and the keel plate 3 are all 40mm; the first annular plate 1 is annular, the inner diameter of the first annular plate is 250mm, and the width of the first annular plate is 60mm; the periphery of the second annular plate 2 is square, the side length of the square is 900mm, and the second annular plate 2 surrounds the first annular plate 1 and is coaxially arranged with the first annular plate 1; the keel plate 3 is a rectangular plate, the width of the keel plate is the same as that of the first annular plate 1, and the first annular plate 1 and the second annular plate 2 are respectively connected to two end parts of the keel plate 3 in the length direction; 8 keel plates 3 are uniformly dispersed between the first annular plate 1 and the second annular plate 2, two adjacent keel plates 3 and the first annular plate 1 and the second annular plate 2 enclose a vibrating part 4, and a vibrating device can be inserted in the vibrating part 4.
Be equipped with a plurality of mounting holes 5 on the second annular plate 2, the fastener is installed on mounting hole 5, and the fastener includes sleeve 6, anchor bar 7 and bolt 8, and sleeve 6 sets up in 5 bottoms of mounting hole, and anchor bar 7 sets up in the bottom of sleeve 6, and bolt 8 passes mounting hole 5 and 6 spiro unions of sleeve, is equipped with rubber pad 9 between mounting hole 5 and the bolt 8.
Example 2:
referring to fig. 3, the difference from embodiment 1 is that: the thicknesses of the first annular plate 1, the second annular plate 2 and the keel plate 3 are all 30mm, the widths of the first annular plate 1 and the keel plate 3 are all 50mm, the outer periphery of the second annular plate 2 is still square, the side length of the square is 700mm, and the number of the keel plates 3 is 4.
The above embodiments 1 and 2 are applicable to the case where the base plate of the seismic isolation bearing is square, and the following embodiment 3 is applicable to the case where the base plate of the seismic isolation bearing is circular.
Example 3:
referring to fig. 4, the difference from embodiment 1 is that: the outer peripheral portion of the second annular plate 2 is circular, the diameter thereof is 900mm, and the number of keel plates 3 is 5.
In the invention, the vibrating part 4 can be inserted with a vibrating device, so that the vibrating device can fully vibrate the concrete as far as possible under the condition of not touching parts such as lower buttress steel bars and the like, and the compactness of the lower buttress is improved; meanwhile, the contact area between the bottom surface of the non-dismantling embedded part and the concrete is small, air bubbles are not easy to form, the influence on the flatness of the lower pier is small, the subsequent procedures such as concrete surface floating and mounting of a shock insulation support can be directly carried out after pouring and vibrating, and the construction procedure is simplified.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a vibration isolation support detaching-free embedded part which characterized in that includes:
a first annular plate;
the second annular plate surrounds the first annular plate and is coaxially arranged with the first annular plate, and the shape of the second annular plate is matched with that of a bottom plate of the vibration isolation support;
the keel plates are uniformly dispersed between the first annular plate and the second annular plate, two adjacent keel plates, the first annular plate and the second annular plate enclose a vibrating part, and a vibrating device can be inserted in the vibrating part;
the second annular plate is provided with a plurality of mounting holes, the mounting holes are provided with fasteners, and the fasteners connect the non-dismantling embedded part with the upper structure and the lower structure.
2. The non-dismantling embedded part of a seismic isolation bearing as claimed in claim 1, wherein said first annular plate is circular.
3. The non-dismantling embedded part of a seismic isolation bearing as claimed in claim 2, wherein the keel plate is a rectangular plate, and the first annular plate and the second annular plate are respectively connected to two ends of the keel plate in the length direction.
4. The non-removable insert for a seismic isolation mount according to claim 3, wherein the keel plate has the same width as the first annular plate.
5. The non-dismantling embedded part of the seismic isolation bearing according to claim 1, wherein 4 to 8 keel plates are provided.
6. The non-dismantling embedded part of the seismic isolation bearing according to claim 1, wherein the thicknesses of the first annular plate, the second annular plate and the keel plate are all greater than or equal to 30mm.
7. The non-dismantling embedded part of the seismic isolation bearing according to any one of claims 1 to 6, wherein the fastener comprises a sleeve, an anchor bar and a bolt, the sleeve is arranged at the bottom of the mounting hole, the anchor bar is arranged at the bottom of the sleeve, and the bolt penetrates through the mounting hole and is in threaded connection with the sleeve.
8. The non-dismantling embedded part of a seismic isolation bearing as claimed in claim 7, wherein a rubber pad is disposed between the bolt and the mounting hole.
9. A construction method of a disassembly-free embedded part of a seismic isolation bearing according to claim 8, characterized by comprising the following steps:
s1, welding the bottom of the anchor bar with a lower pier reinforcement cage, and mounting the sleeve on the top of the anchor bar;
s2, placing the first annular plate, the second annular plate and the keel plate on top of the lower buttress steel reinforcement cage, aligning the mounting hole with the sleeve, disposing a rubber pad in the mounting hole, passing the bolt through the mounting hole and screwing the sleeve;
s3, pouring and vibrating the lower buttress concrete, and then floating the surface of the lower buttress concrete;
and s4, after initial setting and before final setting of the lower buttress concrete, taking down the rubber pads and the bolts, hoisting the vibration isolation support to the top of the lower buttress concrete, and enabling the rubber pads and the bolts to penetrate through a bottom plate of the vibration isolation support and be installed in the installation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482205.9A CN115853137A (en) | 2022-11-24 | 2022-11-24 | Disassembly-free embedded part of seismic isolation support and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482205.9A CN115853137A (en) | 2022-11-24 | 2022-11-24 | Disassembly-free embedded part of seismic isolation support and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115853137A true CN115853137A (en) | 2023-03-28 |
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ID=85665865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211482205.9A Pending CN115853137A (en) | 2022-11-24 | 2022-11-24 | Disassembly-free embedded part of seismic isolation support and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115853137A (en) |
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2022
- 2022-11-24 CN CN202211482205.9A patent/CN115853137A/en active Pending
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