CN112922021A - Embedded part of earthquake table and installation method thereof - Google Patents
Embedded part of earthquake table and installation method thereof Download PDFInfo
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- CN112922021A CN112922021A CN202110089557.7A CN202110089557A CN112922021A CN 112922021 A CN112922021 A CN 112922021A CN 202110089557 A CN202110089557 A CN 202110089557A CN 112922021 A CN112922021 A CN 112922021A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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Abstract
The application relates to an embedded part of a seismic table, which comprises a foundation plate and a concrete connecting assembly, wherein the foundation plate comprises a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are mutually connected and mutually perpendicular; concrete coupling assembling is in one is installed respectively to horizontal plate and vertical board, concrete coupling assembling on the horizontal plate is used for being connected with concrete layer's horizontal plane, vertical board is used for being connected with concrete layer's vertical face, the foundatin plate is used for placing vertical actuator or horizontal actuator. This application has the effect of improving the installation degree of difficulty problem of the actuator of bulky concrete seismic station.
Description
Technical Field
The application relates to the field of mass concrete manufacturing, in particular to an embedded part of a seismic table and an installation method of the embedded part.
Background
The earthquake table is mainly used for the overall earthquake-resistant performance research of various building structures, road bridges and urban pipelines, namely, the earthquake table is used for carrying out simulation tests on earthquakes to simulate earthquake waves in various forms so as to truly reproduce the failure mechanism of various structures under the action of the earthquake and provide test means for the dynamic characteristic research and the earthquake-resistant measure verification of prototype structures.
The earthquake simulation shaking table system is a complex device and mainly comprises a shaking table top, a hydraulic driving and power system, a testing and analyzing system and a control system; namely, the unlimited motion form of the table top of the vibration table is a six-degree-of-freedom motion form, namely a translational three-degree-of-freedom motion form. The six-degree-of-freedom vibration of the motion of the controller is generally controlled by different actuators (a horizontal actuator and a vertical actuator), so that technical indexes and control precision required by the test of the seismic table are very high.
In view of the above-mentioned related art, the inventor believes that when the actuator is installed, since the earthquake simulation shaking table has a large volume and the actuator needs to be installed in the large-volume concrete poured, the position of the actuator is easily deviated from the expected position, and thus the installation of the actuator is very difficult.
Disclosure of Invention
In order to improve the installation difficulty problem of an actuator of a large-volume concrete seismic table, the application provides a seismic table embedded part and an installation method thereof.
In a first aspect, the application provides a seismic table embedded part, which adopts the following technical scheme:
a seismic table embedded part comprises a foundation plate and a concrete connecting assembly, wherein the foundation plate comprises a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are mutually connected and are mutually perpendicular; concrete coupling assembling is in one is installed respectively to horizontal plate and vertical board, concrete coupling assembling on the horizontal plate is used for being connected with concrete layer's horizontal plane, vertical board is used for being connected with concrete layer's vertical face, the foundatin plate is used for placing vertical actuator or horizontal actuator.
Through adopting above-mentioned technical scheme, transfer the foundation slab in the foundation ditch, pour the concrete toward the foundation ditch in succession, make horizontal plate below and concrete laminating, the face of vertical board back to horizontal plate one side also with the concrete laminating, and concrete coupling assembling on horizontal plate and the vertical board then is in the concrete, after horizontal plate and vertical board all are connected with the concrete through concrete coupling assembling, the position of foundation slab just can be fixed, this moment again install the actuator on the foundation slab can. At this moment, the position of the actuator can not deviate, so that the effect of improving the installation difficulty of the actuator of the large-volume concrete earthquake table is achieved.
Optionally, the concrete connection assembly includes a plurality of sleeves, a plurality of pre-tightening screws and pre-tightening studs, the surfaces of the horizontal plate and the vertical plate are respectively provided with a plurality of jacks for the sleeves to be inserted, the length direction of the sleeve connected with the horizontal plate is perpendicular to the surface of the horizontal plate, and the length direction of the sleeve connected with the vertical plate is perpendicular to the surface of the vertical plate; the interior of the pre-tightening stud is hollow, openings are formed in two ends of the pre-tightening stud, one pre-tightening stud is arranged on the inner pipe wall, close to the openings in the two ends of the sleeve, in the sleeve, and the length direction of the pre-tightening stud is consistent with that of the sleeve; the screw hole has been seted up along the length direction of pretension double-screw bolt on the pretension double-screw bolt, the pretension screw rod is located in the cover pipe, just the pretension screw rod pass through the screw hole with pretension double-screw bolt threaded connection, stretch out from the cover pipe respectively at the both ends of pretension screw rod, one side that the pretension screw rod is close to the foundatin plate sets up supports the piece, it is used for supporting the pretension screw rod tightly on the foundatin plate to support the piece.
By adopting the technical scheme, when the foundation plate is installed, the sleeve is firstly inserted into the jack, then the pre-tightening screw is inserted into the sleeve, and then the pre-tightening screw is rotated, so that the pre-tightening screw is inserted into the screw hole on the pre-tightening stud, the pre-tightening screw is positioned inside the sleeve at the moment, and one end of the pre-tightening screw is positioned on the plate surface of the foundation plate. Then, one end of the pre-tightening screw is abutted against the foundation plate through the abutting piece, the sleeve is convenient for the foundation plate to realize connection, and the sleeve is not easy to deform at the moment due to the existence of the pre-tightening screw in the process that the concrete gradually covers the sleeve; after the foundation plate is installed, the foundation plate needs to be constructed again below the foundation plate during post-treatment, namely the foundation plate needs to be dismantled again; when demolising, directly earlier take off the tight piece that supports, then take out pretension screw rod from the cover intraductal, sleeve pipe and foundatin plate are no longer connected this moment, and the foundatin plate can easily break away from the sleeve pipe to reach the installation and dismantle the comparatively convenient effect of foundatin plate.
Optionally, the abutting piece comprises a gasket and a connecting nut, the gasket is sleeved at one end of the pre-tightening screw in a threaded manner, the cross-sectional area of the gasket is larger than that of the jack, and the connecting nut is also sleeved on the pre-tightening screw and used for abutting the gasket on the plate surfaces of the horizontal plate and the vertical plate.
Through adopting above-mentioned technical scheme, when supporting the pretension screw rod tightly on the foundatin plate, directly the packing ring thread bush in the one end of pretension screw rod, rethread coupling nut is the face looks butt of packing ring and horizontal plate or vertical board after that, and the pretension screw rod just realizes being connected with the foundatin plate this moment to reach and be connected comparatively convenient effect with the pretension screw rod and foundatin plate.
Optionally, a connecting plate is arranged between a plurality of the sleeves, and the plurality of the sleeves are connected through the connecting plate.
Through adopting above-mentioned technical scheme, the setting of connecting plate can let a plurality of sleeves keep the state that is parallel to each other to can improve the holistic steadiness in sleeve pipe and foundatin plate connection back.
Optionally, a protective cover is arranged at one end, away from the abutting piece, of the sleeve, and the protective cover is used for covering one end, extending out of the sleeve, of the pre-tightening screw rod.
Through adopting above-mentioned technical scheme, the setting of safety cover can protect the pretension screw rod in the sleeve pipe for in the difficult entering sleeve pipe of external concrete, thereby let the pretension screw rod also can follow the sleeve pipe easily and take out after concreting.
Optionally, a reinforcing plate is arranged on the foundation plate, one side of the reinforcing plate is connected with the horizontal plate, and the other side of the reinforcing plate is connected with the vertical plate.
By adopting the technical scheme, the horizontal plate and the vertical plate are mutually vertical, so that the foundation plate is easy to deform under the action of external force; consequently through setting up the reinforcing plate for horizontal plate passes through the reinforcing plate with vertical board and is connected, lets the reinforcing plate also can bear external force, reaches the effect that the structure that lets foundatin plate itself is more stable.
Optionally, the reinforcing plate is provided with a reinforcing hole.
By adopting the technical scheme, after the reinforcing holes are formed, the structural stability of the reinforcing plate can be further improved.
Optionally, a pre-buried sealing plate is arranged on one side of the horizontal plate close to the protective cover.
Through adopting above-mentioned technical scheme, because the later stage needs be under the concrete surface of horizontal plate below and is under construction again, and pre-buried shrouding this moment then can occupy this part space in advance, and after the concrete condenses and demolish the foundatin plate, pre-buried shrouding also can pull down in the lump, and concrete layer surface will reserve the cavity this moment, makes things convenient for the later stage to be under construction.
In a second aspect, the application provides a method for installing an embedded part of a seismic table, which adopts the following technical scheme:
a mounting method of an embedded part of a seismic table comprises the following steps:
a positioning step: placing a tower frame at a preset position in the foundation pit, then installing the embedded part on the tower frame, and placing the embedded part into the foundation pit along with the tower frame;
pouring: concrete is poured from bottom to top in a layered mode, so that the concrete connecting assembly is positioned in the concrete, and the foundation plate is positioned outside the concrete;
dismantling: extracting the pre-tightening screw from the sleeve and removing the pre-tightening screw, and then removing the foundation plate and the pre-buried sealing plate;
a reverse top step: a plurality of threaded holes are reserved on the foundation plate, jackscrews are screwed into the threaded holes, and the foundation plate is reversely jacked on the surface of the concrete through the jackscrews;
fine adjustment: adjusting the position of the foundation plate;
and (3) epoxy filling: and a cavity obtained after the embedded sealing plate is removed is reserved between the foundation plate and the concrete layer, and epoxy is poured into the cavity to form an epoxy layer.
In summary, the present application includes at least one of the following beneficial technical effects:
transfer the foundation slab in the foundation ditch, pour the concrete toward the foundation ditch in succession for horizontal plate below and concrete laminating, the face that vertical board kept away from horizontal plate one side also with the concrete laminating, and concrete coupling assembling on horizontal plate and the vertical board then is in the concrete, after horizontal plate and vertical board all are connected with the concrete through concrete coupling assembling, the position of foundation slab just can be fixed, this moment again install the actuator on the foundation slab can. At the moment, the position of the actuator can not deviate, so that the effect of improving the installation difficulty of the actuator of the large-volume concrete earthquake table is achieved;
when the foundation plate is installed, the sleeve is firstly inserted into the jack, then the pre-tightening screw is inserted into the sleeve, and then the pre-tightening screw is rotated to be inserted into the screw hole on the pre-tightening stud, at the moment, the pre-tightening screw is positioned in the sleeve, and one end of the pre-tightening screw is positioned on the surface of the foundation plate. Then, one end of the pre-tightening screw is abutted against the foundation plate through the abutting piece, the sleeve is convenient for the foundation plate to realize connection, and the sleeve is not easy to deform at the moment due to the existence of the pre-tightening screw in the process that the concrete gradually covers the sleeve; after the foundation plate is installed, the foundation plate needs to be constructed again below the foundation plate during post-treatment, namely the foundation plate needs to be dismantled again; when demolising, directly earlier take off the tight piece that supports, then take out pretension screw rod from the cover intraductal, sleeve pipe and foundatin plate are no longer connected this moment, and the foundatin plate can easily break away from the sleeve pipe to reach the installation and dismantle the comparatively convenient effect of foundatin plate.
Drawings
Fig. 1 is a schematic structural arrangement diagram of the present application after installation in a foundation pit.
Fig. 2 is a schematic mechanism diagram of an embodiment of the present application.
Fig. 3 is a partial cross-sectional view of an embodiment of the present application.
Description of reference numerals: 1. a foundation plate; 11. a horizontal plate; 111. a jack; 12. a vertical plate; 2. a concrete connection assembly; 21. a sleeve; 22. pre-tightening the screw; 23. pre-tightening the stud; 3. an abutting piece; 31. a gasket; 32. a connecting nut; 4. a connecting plate; 5. a protective cover; 6. a reinforcing plate; 61. a reinforcement hole; 7. pre-burying a sealing plate; 8. and (5) jacking the screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1, when a large-volume concrete seismic platform is constructed, a large-volume foundation pit needs to be dug, and then the positions of a horizontal actuator and a vertical actuator are positioned in advance according to the position of the seismic platform. During the location, will transfer to the foundation ditch in through the pylon, and the built-in fitting of this application just need install and transfer together along with the pylon on the pylon, places the position after, from up pouring the concrete in proper order down again, when nevertheless pouring in built-in fitting department, only need pour the built-in fitting outside, the concrete can not be pour to the inboard, because the inboard needs be used for placing the actuator. After the pouring is finished, the large-volume concrete pouring body in the foundation pit is in a step shape when viewed from the cross section, and the embedded parts are arranged on the step-shaped surface of the large-volume concrete, so that a concrete vertical surface and a concrete horizontal surface are formed.
The embodiment of the application discloses an embedded part of a seismic table. Referring to fig. 2 and 3, the earthquake table embedded part comprises a foundation plate 1, the foundation plate 1 is formed by combining a horizontal plate 11 and a vertical plate 12, the horizontal plate 11 and the vertical plate 12 are perpendicular to each other and are connected by welding, the cross section of the foundation plate 1 is in an L shape, the foundation plate 1 is used for placing a vertical actuator or a horizontal actuator, concrete connecting assemblies 2 are installed on the horizontal plate 11 and the vertical plate 12 of the foundation plate 1, and the concrete connecting assemblies 2 are used for connecting the horizontal plate 11 with the horizontal surface of large-volume concrete and connecting the vertical plate 12 with the vertical surface of the large-volume concrete. In order to improve the stability of the foundation plate 1, a reinforcing plate 6 is welded on the foundation plate 1, and the reinforcing plate 6 is in a right-angled triangle shape; one straight edge of the reinforcing plate 6 is welded with the plate surface of the horizontal plate 11, and the other straight edge of the reinforcing plate is welded with the plate surface of the vertical plate 12; and a reinforcing hole 61 is opened in the plate surface of the reinforcing plate 6.
As shown in fig. 2 and 3, a pre-embedded seal plate 7 is bolted to one side of the horizontal plate 11 close to the protective cover 5; because the construction needs to be carried out on the concrete surface below the horizontal plate 11 at the later stage, the pre-buried seal plate 7 can occupy the space in advance, after the concrete is condensed and the foundation plate 1 is removed, the pre-buried seal plate 7 can be removed together, and a cavity is reserved on the surface of the concrete layer at the later stage, so that the construction at the later stage is facilitated; in this embodiment, the space reserved by the pre-buried sealing plate 7 needs to be filled with an epoxy layer.
As shown in fig. 2 and 3, the concrete connection assembly 2 includes a sleeve 21, a pre-tightening screw 22 and a pre-tightening stud 23, the cross-sectional shape of the sleeve 21 is rectangular, and a plurality of sleeves 21 are provided; the surfaces of the horizontal plate 11 and the vertical plate 12 are both provided with a plurality of insertion holes 111 for inserting the sleeves 21, and the cross sections of the insertion holes 111 are also rectangular and matched with the cross sections of the sleeves 21. The length direction of the sleeve 21 connected with the horizontal plate 11 is vertical to the plate surface of the horizontal plate 11, and the length direction of the sleeve 21 connected with the vertical plate 12 is vertical to the plate surface of the vertical plate 12; the interior of the pre-tightening stud 23 is hollow, openings are formed in two ends of the pre-tightening stud 23, one pre-tightening stud 23 is welded on the inner pipe wall of the casing 21 close to the openings in the two ends of the casing 21, and the length direction of the pre-tightening stud 23 is consistent with that of the casing 21; a screw hole is formed in the pre-tightening stud 23 along the length direction of the pre-tightening stud 23, the pre-tightening screw 22 is located in the sleeve 21, and the pre-tightening screw 22 is in threaded connection with the pre-tightening stud 23 through the screw hole. Two ends of the pre-tightening screw 22 respectively extend out of the sleeve 21, one side of the pre-tightening screw 22 close to the foundation plate 1 is provided with a propping piece 3, and the propping piece 3 is used for propping the pre-tightening screw 22 on the foundation plate 1.
As shown in fig. 2 and 3, the abutting member 3 includes a washer 31 and a connecting nut 32, the cross-sectional area of the washer 31 is larger than the cross-sectional area of the screw hole on the base plate 1, the washer 31 is provided with a threaded hole in threaded fit with the pre-tightening screw 22, the washer 31 is sleeved on one end of the pre-tightening screw 22 in a threaded manner, and the connecting nut 32 is also sleeved on the pre-tightening screw 22 and is used for abutting the washer 31 on the plate surfaces of the horizontal plate 11 and the vertical plate 12.
When the foundation plate 1 is installed, the sleeve 21 is inserted into the insertion hole 111, the pre-tightening screw 22 is inserted into the sleeve 21, and then the pre-tightening screw 22 is rotated, so that the pre-tightening screw 22 is inserted into the screw hole on the pre-tightening stud 23, the pre-tightening screw 22 is located inside the sleeve 21, and one end of the pre-tightening screw 22 is located on the surface of the foundation plate 1. Then, a gasket 31 is sleeved at one end of the pre-tightening screw rod 22 in a threaded manner, and then the gasket 31 is abutted against the plate surface of the horizontal plate 11 or the vertical plate 12 through a connecting nut 32, so that the pre-tightening screw rod 22 is connected with the foundation plate 1; in the process that the concrete gradually covers the sleeve 21, the sleeve 21 is not easy to deform at the moment due to the existence of the pre-tightening screw 22; after the foundation plate 1 is installed, since post-processing needs to be performed again under the foundation plate 1, i.e. an epoxy layer needs to be poured in. At this time, the foundation plate 1 needs to be dismantled again; when the device is disassembled, the connecting nut 32 and the washer 31 are directly removed, and then the pre-tightening screw 22 is removed from the sleeve 21, at this time, the sleeve 21 is not connected with the foundation plate 1, and the foundation plate 1 can be easily separated from the sleeve 21.
As shown in fig. 2 and 3, the connecting plates 4 are welded among the plurality of sleeves 21, the connecting plates 4 are used for connecting the plurality of sleeves 21, and the arrangement of the connecting plates 4 can keep the plurality of sleeves 21 in a parallel state and improve the overall stability of the connected sleeves 21 and the foundation plate 1; and the end of the sleeve 21 far away from the gasket 31 is provided with a protective cover 5, namely, the interior of the protective cover 5 is hollow and one end of the protective cover 5 is open, the protective cover 5 is welded on the connecting plate 4, the protective cover 5 and the plate surface of the connecting plate 4 form a protective cavity, and one end of the sleeve 21 and one end of the pre-tightening screw 22 are located in the protective cavity.
The embodiment of the application also discloses an installation method of the embedded part of the seismic table, which comprises the following steps:
a positioning step: placing a tower frame at a preset position in the foundation pit, then installing the embedded part on the tower frame, and placing the embedded part into the foundation pit along with the tower frame;
pouring: concrete is poured from bottom to top in a layered mode, so that the concrete connecting assembly 2 is positioned in the concrete, and the foundation plate 1 is positioned outside the concrete;
dismantling: the pre-tightening screw 22 is pulled out of the sleeve 21 and is removed, and then the foundation plate 1 and the pre-buried seal plate 7 are removed;
a reverse top step: a plurality of threaded holes are reserved on the foundation plate 1, jackscrews 8 are screwed into the threaded holes, and the foundation plate 1 is reversely jacked on the surface of the concrete through the jackscrews 8;
fine adjustment: adjusting the position of the foundation plate 1;
and (3) epoxy filling: a cavity obtained after the embedded sealing plate 7 is removed is reserved between the foundation plate 1 and the concrete layer, and epoxy is poured into the cavity to form an epoxy layer.
The implementation principle of the embedded part of the seismic table and the installation method thereof in the embodiment of the application is as follows: transfer foundatin plate 1 in the foundation ditch, pour the concrete toward the foundation ditch after that, make 11 below of horizontal plate and concrete laminating, vertical plate 12 deviates from the face of 11 one side of horizontal plate also with the concrete laminating, and concrete coupling assembling 2 on horizontal plate 11 and the vertical plate 12 then is in the concrete, after horizontal plate 11 and vertical plate 12 all are connected with the concrete through concrete coupling assembling 2, the position of foundatin plate 1 just can be fixed, install the actuator on foundatin plate 1 this moment again can. At this moment, the position of the actuator can not deviate, so that the effect of improving the installation difficulty of the actuator of the large-volume concrete earthquake table is achieved. According to the expectation of the large-volume concrete earthquake table on the construction site, four vertical actuators are required to be arranged at the lowest end of the large-volume concrete earthquake table, four horizontal actuators are required to be arranged at the upper end of the large-volume concrete earthquake table, and the large-volume concrete earthquake table is placed at a position between the four horizontal actuators.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A seismic table embedded part is characterized in that: the concrete foundation slab comprises a foundation slab (1) and a concrete connecting assembly (2), wherein the foundation slab (1) comprises a horizontal slab (11) and a vertical slab (12), and the horizontal slab (11) and the vertical slab (12) are mutually connected and mutually vertical; concrete coupling assembling (2) are in horizontal plate (11) and vertical board (12) are installed one respectively, concrete coupling assembling (2) on horizontal plate (11) are used for being connected with concrete layer's horizontal plane, vertical board (12) are used for being connected with concrete layer's vertical face, foundatin plate (1) are used for placing vertical actuator or horizontal actuator.
2. The seismic table embedment of claim 1, wherein: the concrete connecting assembly (2) comprises a plurality of sleeves (21), pre-tightening screw rods (22) and pre-tightening studs (23), the number of the sleeves (21) is multiple, the surfaces of the horizontal plate (11) and the vertical plate (12) are respectively provided with a plurality of jacks (111) for the sleeves (21) to be inserted, the length direction of the sleeve (21) connected with the horizontal plate (11) is vertical to the surface of the horizontal plate (11), and the length direction of the sleeve (21) connected with the vertical plate (12) is vertical to the surface of the vertical plate (12); the interior of the pre-tightening stud (23) is hollow, openings are formed in two ends of the pre-tightening stud (23), one pre-tightening stud (23) is arranged on the inner pipe wall, close to the openings in the two ends of the sleeve (21), in the sleeve (21), and the length direction of the pre-tightening stud (23) is consistent with that of the sleeve (21); the screw has been seted up along the length direction of pretension double-screw bolt (23) on pretension double-screw bolt (23), pretension screw rod (22) are located in sleeve pipe (21), just pretension screw rod (22) pass through the screw with pretension double-screw bolt (23) threaded connection, stretch out in sleeve pipe (21) respectively at the both ends of pretension screw rod (22), one side that pretension screw rod (22) are close to foundatin plate (1) sets up and supports piece (3), it is used for supporting pretension screw rod (22) tightly on foundatin plate (1) to support piece (3).
3. The seismic table embedment of claim 2, wherein: the supporting piece (3) comprises a gasket (31) and a connecting nut (32), the gasket (31) is sleeved with a thread at one end of the pre-tightening screw rod (22), the cross-sectional area of the gasket (31) is larger than the cross-sectional area of the jack (111), the connecting nut (32) is also sleeved on the pre-tightening screw rod (22) and used for supporting the gasket (31) tightly on the plate surfaces of the horizontal plate (11) and the vertical plate (12).
4. The seismic table embedment of claim 2, wherein: a connecting plate (4) is arranged among the plurality of sleeves (21), and the plurality of sleeves (21) are connected through the connecting plate (4).
5. The seismic table embedment of claim 2, wherein: one end, far away from the abutting piece (3), of the sleeve (21) is provided with a protective cover (5), and the protective cover (5) is used for covering one end, extending out of the sleeve (21), of the pre-tightening screw (22).
6. The seismic table embedment of claim 1, wherein: be provided with reinforcing plate (6) on foundatin plate (1), one side of reinforcing plate (6) with horizontal plate (11) are connected, the another side with vertical plate (12) are connected.
7. The seismic table embedment of claim 6, wherein: the reinforcing plate (6) is provided with a reinforcing hole (61).
8. The seismic table embedment of claim 5, wherein: and a pre-buried sealing plate (7) is arranged on one side of the horizontal plate (11) close to the protective cover (5).
9. A mounting method of an embedded part of a seismic table is characterized by comprising the following steps: the seismic table embedment implementation of one of the claims 1 to 8, comprising the steps of:
a positioning step: placing a tower frame at a preset position in the foundation pit, then installing the embedded part on the tower frame, and placing the embedded part into the foundation pit along with the tower frame;
pouring: concrete is poured from bottom to top in a layered mode, so that the concrete connecting assembly (2) is positioned in the concrete, and the foundation plate (1) is positioned outside the concrete;
dismantling: the pre-tightening screw (22) is pulled out of the sleeve (21) and is removed, and then the foundation plate (1) and the pre-buried sealing plate (7) are removed;
a reverse top step: a plurality of threaded holes are reserved on the foundation plate (1), jackscrews are screwed into the threaded holes, and the foundation plate (1) is reversely jacked on the surface of concrete through the jackscrews;
fine adjustment: adjusting the position of the foundation plate (1);
and (3) epoxy filling: a cavity obtained after the embedded sealing plate (7) is removed is reserved between the foundation plate (1) and the concrete layer, and epoxy is poured into the cavity to form an epoxy layer.
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| CN202110089557.7A CN112922021B (en) | 2021-01-22 | 2021-01-22 | Installation method of embedded part of seismic table |
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| CN202110089557.7A CN112922021B (en) | 2021-01-22 | 2021-01-22 | Installation method of embedded part of seismic table |
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| CN110130225A (en) * | 2019-04-02 | 2019-08-16 | 中铁十六局集团路桥工程有限公司 | A kind of the construction operation platform hoisting frame and its construction method of Bridge High-pier |
| CN212053247U (en) * | 2020-03-25 | 2020-12-01 | 中建八局第二建设有限公司 | Accurately-leveled type shock insulation support embedded part |
| CN111441471A (en) * | 2020-04-24 | 2020-07-24 | 华南理工大学 | High-strength screw rod sliding embedded part connecting node for supporting concrete frame |
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