CN220768972U - Reverse-acting installation support system for foundation shock insulation support of existing masonry structure - Google Patents
Reverse-acting installation support system for foundation shock insulation support of existing masonry structure Download PDFInfo
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- CN220768972U CN220768972U CN202322271307.2U CN202322271307U CN220768972U CN 220768972 U CN220768972 U CN 220768972U CN 202322271307 U CN202322271307 U CN 202322271307U CN 220768972 U CN220768972 U CN 220768972U
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- 230000035939 shock Effects 0.000 title claims abstract description 67
- 238000009413 insulation Methods 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 title claims abstract description 39
- 238000009424 underpinning Methods 0.000 claims abstract description 63
- 238000002955 isolation Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000011449 brick Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a reverse-acting installation support system of a basic shock insulation support of an existing masonry structure, which comprises a underpinning support structure, an upper positioning structure, a shock insulation support and a lower positioning structure which are connected in sequence; the underpinning support structure comprises a plurality of buttresses, the upper end of each buttress is provided with an underpinning beam for clamping the masonry structure, and the underpinning beams are connected through tie bars; the shock insulation support is arranged in a gap between two adjacent buttresses; the upper positioning structure comprises a support upper flange plate, the support upper flange plate is detachably connected with the underpinning beam, and the shock insulation support and the support upper flange plate are integrally formed; the lower positioning structure comprises a lower flange plate of the shock insulation support, and the lower flange plate of the shock insulation support and the shock insulation support are integrally formed; the lower flange plate of the shock insulation support is detachably connected with a lower support bottom plate, and the lower support bottom plate is arranged in a gap between two adjacent buttresses. The underpinning supporting structure is used as a bracket to support the building and bear the whole load of the upper structure, and the underpinning supporting structure improves the supporting safety and stability.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a reverse-acting installation support system for a basic shock insulation support of an existing masonry structure.
Background
With the promotion of urban updating actions, a large number of old buildings in urban areas and earthquake areas are transformed and lifted. Most of middle and small schools built before twenty-first century are brick-concrete structure buildings, and the buildings can be used continuously in good condition for about 20-30 years, but the earthquake-proof performance of the buildings is not in accordance with the earthquake-proof fortification requirements of the present country, and in this case, the earthquake-proof performance of the buildings is generally improved by adopting a basic earthquake-proof reinforcement mode so as to meet the earthquake-proof major fortification requirements. The foundation vibration isolation reinforcement mode is to add the anti-seismic support at the existing masonry structure building foundation position, under the premise of not dismantling the original building main body, the temporary support structure is firstly arranged to support the building superstructure, and then the building foundation is dismantled to add the anti-seismic support. The installation sequence of the shock insulation support is that the lower locating plate is installed firstly, then the shock insulation support is installed, the upper locating plate is installed afterwards, and the support is connected with the structure up and down.
The installation mode needs enough operation space, so that the operation space is reserved for the large-range dismantling of the bottom of the building, the structure above the operation space is temporarily supported and reinforced, and the temporary support bears the whole load of the upper structure of the building in the transformation process, so that the support is complex in arrangement, large in load and improper in arrangement, damage and destruction to the building structure are caused, the installation mode is low in safety, and the cost for supporting and dismantling is high.
The foundation vibration isolation support is installed under the condition that the existing masonry building structure is not damaged, so that the structural safety and personnel safety can be guaranteed, the support setting up and dismantling range of the brick foundation position is reduced, and the cost is reasonably saved.
Disclosure of Invention
The utility model aims to solve the technical problem that the support structure is complex due to the existing foundation vibration isolation and reinforcement mode. The utility model aims to provide a reverse installation support system for a basic shock insulation support of an existing masonry structure, which adopts the steps of firstly installing an upper positioning structure, then installing the shock insulation support, finally installing a lower positioning structure, supporting an upper structure of a building by using a underpinning support structure, reducing temporary support and dismantling range of a brick foundation position, and ensuring the safety of the structure and the installation of the shock insulation support.
The technical scheme of the utility model is as follows: an existing masonry structure foundation vibration isolation support reverse-acting installation support system comprises a underpinning support structure, an upper positioning structure, a vibration isolation support and a lower positioning structure which are connected in sequence;
the underpinning support structure comprises a plurality of buttresses, the upper end of each buttress is provided with an underpinning beam for clamping the masonry structure, and the underpinning beams are connected through lacing wires; the shock insulation support is arranged in a gap between two adjacent buttresses;
the upper positioning structure comprises a support upper flange plate, the support upper flange plate is detachably connected with the underpinning beam, and the shock insulation support and the support upper flange plate are integrally formed;
the lower positioning structure comprises a lower flange plate of the shock insulation support, and the lower flange plate of the shock insulation support and the shock insulation support are integrally formed; the shock insulation support lower flange board can be dismantled and be connected with the lower support bottom plate, the lower support bottom plate sets up in adjacent two in the gap between the buttress.
As a possible design, the mounting sequence of the support system in use is: and a underpinning supporting structure, an upper positioning structure, a shock insulation support and a lower positioning structure are sequentially installed.
As a possible design, the underpinning beams are also connected by means of profile steel pin keys, which are arranged below the tie bars.
As a possible design, the underpinning beam with flange board realizes connecting through a plurality of detachable components on the support, detachable components include follow underpinning beam length direction is provided with the anchor muscle, anchor muscle lower extreme threaded connection has connecting sleeve, connecting sleeve threaded connection has the bolt, the bolt runs through be connected with the nut behind the flange board on the support.
As a possible design, the shock-insulating support lower flange plate and the lower support base plate are connected by the dismounting assembly.
As a possible design, an upper locating plate is arranged between the support upper flange plate and the underpinning beam, and the bolts penetrate through the upper locating plate.
As one possible design, a lower positioning plate is arranged between the lower flange plate of the shock insulation support and the lower support bottom plate, and the bolts penetrate through the lower positioning plate.
As a possible design, a leveling layer is provided between the lower locating plate and the lower support base plate.
As one possible design, the detachable assembly further includes a spring washer and a hard washer, both of which are sleeved outside the bolt, the spring washer facing the nut.
As a possible design, the connecting end of the profile steel pin key is arranged at the lower part of the underpinning beam.
As a possible design, the connecting sleeve penetrates the leveling layer.
The beneficial effects of the utility model are as follows:
1. the underpinning supporting structure is firstly constructed at the basic position of the existing masonry structure, the underpinning supporting structure is used as a bracket to support the upper structure of the building and bear the whole load of the upper structure, and the underpinning supporting structure is connected into a whole to be supported safely and stably, so that the temporary support required by dismantling the wall body of the foundation brick and the mounting support is reduced, the masonry wall provided with the vibration isolation support is only required to be dismantled, the dismantling area is greatly reduced, no temporary support shielding exists in and out of the basic position, the operation space is sufficient, the existing building structure is not damaged and damaged, and the safety of the structure and the safety of construction operation are ensured.
2. The vibration isolation support is installed in a reverse mode, the positioning structure is installed firstly, the vibration isolation support is installed again, the lower positioning structure is installed later, the bolts are directly aligned with the embedded holes to be screwed and fixed when the positioning structure is installed conveniently through the anchor bars and the sleeves in an accurate positioning mode, and the installation elevation and flatness are effectively controlled. The mode of adopting the leveling layer ensures that the lower positioning structure plate is closely knit and smooth with the bottom plate of the lower support, meets the requirement of the installation precision of the shock insulation support, has accurate elevation and smooth installation on the upper and lower sides of the shock insulation support, and can give full play to the shock insulation effect.
3. The existing masonry structure foundation vibration isolation support reverse-acting installation method not only ensures the safety of the original structure, but also ensures the safety accuracy and flatness of the vibration isolation support, reduces the cost of building and supporting and largely dismantling the brick foundation, and saves the manufacturing cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a front cross-sectional view of an existing masonry structure foundation seismic isolation support reverse installation support system;
FIG. 2 is a schematic view of an existing masonry structure foundation seismic isolation bearing arrangement;
FIG. 3 is a schematic view of a underpinning support structure;
FIG. 4 is a schematic illustration of the embedding of the upper positioning structure
FIG. 5 is a schematic view of the installation of a shock insulation support in connection with a joist
FIG. 6 is a schematic illustration of the embedding of the lower positioning structure
FIG. 7 is a schematic illustration of an existing masonry structure base seismic isolation pedestal reverse installation support system with leveling course;
fig. 8 is a schematic view of an anchor, sleeve, bolt connection configuration.
In the drawings, the reference numerals and corresponding part names:
01-existing masonry wall; 02-ground ring beams; 03-buttress; 04-underpinning the beam; 05-lacing wires; 06-section steel pin keys; 07-anchor bars; 08-connecting sleeve; 09-bolt; 10-nuts; 11-spring gaskets; 12-a hard spacer; 13-an upper positioning plate; 14-a flange plate on the support; 15-a shock insulation support; 16-a lower flange plate of the shock insulation support; 17-a lower positioning plate; 18-a lower support base plate; 19-leveling layer.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Aiming at the existing foundation shock insulation reinforcement mode of the existing masonry structure, the reinforcement mode adopts the steps of firstly installing a lower locating plate, then installing a shock insulation support, then installing an upper locating plate, and connecting the upper and lower parts of the support with the structure; the support structure is complex, and the installation mode needs enough operation space, so that the operation space is reserved for the large-range dismantling of the bottom of the building, the structure above the operation space is temporarily supported and reinforced, the temporary support bears the whole load of the upper structure of the building in the transformation process, the support is complex in arrangement and large in load, the damage and the destruction to the building structure can be caused due to improper arrangement, the installation mode is low in safety, and the cost for supporting and dismantling is high.
In order to solve the above problems, as shown in fig. 1-8, an embodiment of the present utility model provides a reverse-acting installation support system for a foundation isolation support of an existing masonry structure, which comprises a underpinning support structure, an upper positioning structure, an isolation support 15 and a lower positioning structure which are sequentially connected. The reverse-acting installation support system of the foundation isolation support of the existing masonry structure is installed by adopting a reverse-acting installation method.
Namely, the underpinning supporting structure, the upper positioning structure, the shock insulation support 15 and the lower positioning structure are sequentially installed, the upper structure of the building is supported by the underpinning supporting structure, temporary supporting and dismantling range of the brick foundation position is reduced, and the safety of the structure and the installation of the shock insulation support 15 are ensured. The underpinning supporting structure is used as a bracket to support the upper structure of the building and bear the whole load of the upper structure, and the underpinning supporting structure is connected into a whole to be supported safely and stably, so that the temporary support required for dismantling a foundation brick wall body and a mounting support is reduced, only the masonry wall provided with the position of the shock insulation support 15 is required to be dismantled, the dismantling area is greatly reduced, no temporary support shielding exists in and out of the foundation position, the operation space is sufficient, the existing building structure is not damaged and damaged, and the safety of the structure and the safety of construction operation are ensured.
As shown in fig. 1-8, the underpinning support structure comprises a plurality of buttresses 03, wherein the upper end of each buttress 03 is provided with an underpinning beam 04 for clamping a masonry structure, and the underpinning beams 04 are connected through lacing wires 05; the shock insulation support 15 is arranged in a gap between two adjacent support piers 03. In actual installation, the plurality of buttresses 03 are arranged at the outer side of the lower part of the existing masonry wall 01 and are tightly attached to the existing masonry wall 01, and the underpinning beams 04 clamp the upper part of the existing masonry wall 01. Two ends of the tie bars 05 are respectively embedded into the underpinning beams 04 and penetrate through the masonry wall at the same time; where the floor beam 02 is located, the tie bars 05 also penetrate the floor beam 02.
In actual installation, the existing masonry wall 01 covered by the buttress 03 is not damaged, the existing masonry wall 01 not covered by the buttress 03 is damaged to form a gap, and the shock insulation support 15 is arranged in the gap.
As shown in fig. 1-8, the upper positioning structure comprises an upper support flange plate 14, the upper support flange plate 14 is detachably connected with the underpinning beam 04, and the shock insulation support 15 and the upper support flange plate 14 are integrally formed;
the lower positioning structure comprises a shock insulation support lower flange plate 16, and the shock insulation support lower flange plate 16 and the shock insulation support 15 are integrally formed; the shock insulation support lower flange plate 16 can be dismantled and be connected with lower support bottom plate 18, lower support bottom plate 18 sets up in the gap between two adjacent buttress 03.
The shock-insulating support 15 functions as a support. In actual installation, the support upper flange plate 14 and the underpinning beam 04 are connected first, and then the shock insulation support lower flange plate 16 and the lower support bottom plate 18 are connected. The safety of the original structure is guaranteed, the safety accuracy and the flatness of the shock insulation support 15 are guaranteed, meanwhile, the cost of building and supporting the brick foundation position and removing a large amount of bricks is reduced, and the manufacturing cost is saved.
As shown in fig. 1-8, the underpinning beams 04 are further connected through a section steel pin key 06, and the section steel pin key 06 is arranged below the lacing wire 05. The two ends of the profile steel pin key 06 are respectively anchored into the underpinning beams 04 at the two ends, and the profile steel pin key 06 is used for further enhancing the connection firmness between the existing masonry wall 01 and the underpinning beams 04. The number of the profile steel pin keys 06 is correspondingly set according to actual requirements. The section steel pin 06 is generally mounted below the ground ring beam 02.
As shown in fig. 1-8, the underpinning beam 04 and the support upper flange plate 14 are connected through a plurality of detachable components, the detachable components comprise anchor bars 07 arranged along the length direction of the underpinning beam 04, the lower ends of the anchor bars 07 are in threaded connection with connecting sleeves 08, the connecting sleeves 08 are in threaded connection with bolts 09, and nuts 10 are connected after the bolts 09 penetrate through the support upper flange plate 14. Through anchor bar 07, connecting sleeve 08 accurate positioning are pre-buried, bolt 09 is directly aimed at pre-buried hole site and is screwed up fixedly when flange plate 14 on the mount pad of being convenient for, has effectively controlled the installation elevation and has leveled. The number of removable components for connecting a joist 04 with the flange plate 14 on the support is chosen according to the actual situation.
As shown in fig. 1-8, the shock-insulating support lower flange plate 16 and the lower support base plate 18 are connected by the disassembly assembly. The construction of the removable assembly is the same as that described above and will not be described in detail herein.
As shown in fig. 1-8, an upper locating plate 13 is arranged between the support upper flange plate 14 and the underpinning beam 04, and the bolts 09 penetrate through the upper locating plate 13. Accurate placement of the upper locating plate 13 is achieved.
As shown in fig. 1-8, a lower locating plate 17 is arranged between the lower flange plate 16 of the shock insulation support and the lower support bottom plate 18, and the bolts 09 penetrate through the lower locating plate 17. Accurate placement of the lower locating plate 17 is achieved.
As shown in fig. 1-8, a leveling layer 19 is provided between the lower locating plate 17 and the lower support base plate 18. In actual installation, leveling layer 19 adopts secondary grouting to form, guarantees that lower locating plate 17 links up closely knit with lower support bottom plate 18 and levels, reaches shock insulation support 15 installation accuracy requirement, and the elevation is accurate about the shock insulation support 15, the installation is level, can give full play to the shock insulation effect.
As shown in fig. 1-8, the detachable assembly further comprises a spring washer 11 and a hard washer 12, wherein the spring washer 11 and the hard washer 12 are both sleeved outside the bolt 09, and the spring washer 11 faces the nut 10. In actual installation, the hard washer 12 is in contact with the flange plate 14 on the support, and the spring washer 11 is in contact with the bolt 09.
As shown in fig. 1-8, the connection end of the profile steel pin 06 is disposed at the lower portion of the underpinning beam 04, that is, below the ground ring beam 02, so as to facilitate connection stability, and thus the whole support structure has good stability.
As shown in fig. 1-8, the connection sleeve 08 extends through the leveling layer 19. To further increase the stability, the connecting sleeve 08 projects into the lower carrier plate 18 and is connected to the bolts 09 in addition to the anchor bars 07.
The following describes in detail the installation method of the existing masonry structure foundation vibration isolation support reverse-acting installation support system disclosed by the embodiment of the utility model:
underpinning the supporting structure: after excavation, reinforcing the original foundation, arranging buttresses 03 on two sides of the existing masonry wall 01, arranging underpinning beams 04 on two sides of the existing masonry wall 01 and the original ground ring beam 02 on the buttresses 03, and arranging tie bars 05 to tie the underpinning beams 04 on two sides of the existing masonry wall 01 and the ground ring beam 02. The steel pin keys 06 are arranged below the ground ring beam 02 at intervals, and two ends of the steel pin keys 06 are anchored into the underpinning beam 04.
And (3) an upper positioning structure: the ground ring beam 02 props up the upper masonry wall, removes the masonry wall below the underpinning beam 04 where the shock insulation support 15 is required to be arranged, and reserves the installation space of the shock insulation support 15. The anchor bars 07 and the connecting sleeve 08 of the shock insulation support 15 are embedded in the underpinning beam 04, internal threads are arranged in the connecting sleeve 08, and the anchor bars 07 are embedded after being screwed into the connecting sleeve 08. The upper locating plate 13 of the shock insulation support 15 is used as a bottom die of the underpinning beam 04, the upper locating plate 13 is erected to support stably and level to control the top elevation of the shock insulation support 15, the underpinning beam 04 is poured, and the underpinning support structure is used for supporting the upper structure of the building.
After the underpinning beam 04 reaches the strength, a shock insulation support 15 is installed, a flange plate 14 on the support is leveled and is propped against an upper positioning plate 13, bolts 09 penetrate through the flange plate, bolts 09 are screwed into a connecting sleeve 08 and then are screwed and fixed by fixing pieces, and the fixing pieces comprise nuts 10, elastic gaskets 11 and hard gaskets 12.
The lower support locating plate is pre-installed on the shock insulation support 15, bolts 09 penetrate through the shock insulation support lower flange plate 16, bolts 09 are screwed into the connecting sleeve 08, anchor bars 07 are screwed into the connecting sleeve 08, the lower locating plate 17 and the shock insulation support lower flange plate 16 are screwed and propped up tightly by fixing pieces, and the lower support bottom plate 18 is bound and poured. The gap between the lower support locating plate and the lower support bottom plate 18 adopts high-strength grouting material to fill the leveling layer 19 to level the lower locating plate 17, and the support installation flatness is controlled.
Finally, horizontal joint cutting is carried out on the buttress 03 and the wall body below the underpinning beam 04, so that the base shock insulation support 15 fully plays a shock insulation role, and an effect is achieved.
The existing masonry structure foundation vibration isolation support reverse-acting installation method not only ensures the safety of the original structure, but also ensures the safety accuracy and flatness of the vibration isolation support, reduces the cost of building and supporting and largely dismantling the brick foundation, and saves the manufacturing cost.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (11)
1. The reverse-acting installation support system for the foundation vibration isolation support of the existing masonry structure is characterized by comprising a underpinning support structure, an upper positioning structure, a vibration isolation support and a lower positioning structure which are connected in sequence;
the underpinning support structure comprises a plurality of buttresses, the upper end of each buttress is provided with an underpinning beam for clamping the masonry structure, and the underpinning beams are connected through lacing wires; the shock insulation support is arranged in a gap between two adjacent buttresses;
the upper positioning structure comprises a support upper flange plate, the support upper flange plate is detachably connected with the underpinning beam, and the shock insulation support and the support upper flange plate are integrally formed;
the lower positioning structure comprises a lower flange plate of the shock insulation support, and the lower flange plate of the shock insulation support and the shock insulation support are integrally formed; the shock insulation support lower flange board can be dismantled and be connected with the lower support bottom plate, the lower support bottom plate sets up in adjacent two in the gap between the buttress.
2. The existing masonry structure foundation vibration isolation support reverse installation support system of claim 1 wherein the support system is installed in the order of: and a underpinning supporting structure, an upper positioning structure, a shock insulation support and a lower positioning structure are sequentially installed.
3. The system of claim 1, wherein the underpinning beams are further connected by steel pin keys, the steel pin keys being disposed below the tie bars.
4. The system of claim 3, wherein the underpinning beam and the upper flange plate of the support are connected through a plurality of detachable components, the detachable components comprise anchor bars arranged along the length direction of the underpinning beam, the lower ends of the anchor bars are in threaded connection with connecting sleeves, the connecting sleeves are in threaded connection with bolts, and nuts are connected after the bolts penetrate through the upper flange plate of the support.
5. The system of claim 4, wherein the lower flange plate of the shock isolation support and the lower support base plate are connected by the disassembly assembly.
6. The system of claim 4, wherein an upper locating plate is disposed between the upper flange plate of the support and the joist, and the bolts extend through the upper locating plate.
7. The system of claim 5, wherein a lower locating plate is disposed between the lower flange plate of the seismic isolation support and the lower support base plate, and the bolts extend through the lower locating plate.
8. The system of claim 7, wherein a leveling layer is disposed between the lower locating plate and the lower support base plate.
9. The system of claim 4, wherein the removable assembly further comprises a spring washer and a hard washer, both of which are sleeved outside the bolt, the spring washer facing the nut.
10. The system of claim 8, wherein the connecting end of the profile steel pin is disposed at the lower portion of the joist.
11. The pre-existing masonry structure foundation vibration isolation support reverse installation support system of claim 10 wherein said connection sleeve extends through said leveling layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322271307.2U CN220768972U (en) | 2023-08-23 | 2023-08-23 | Reverse-acting installation support system for foundation shock insulation support of existing masonry structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322271307.2U CN220768972U (en) | 2023-08-23 | 2023-08-23 | Reverse-acting installation support system for foundation shock insulation support of existing masonry structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768972U true CN220768972U (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322271307.2U Active CN220768972U (en) | 2023-08-23 | 2023-08-23 | Reverse-acting installation support system for foundation shock insulation support of existing masonry structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768972U (en) |
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2023
- 2023-08-23 CN CN202322271307.2U patent/CN220768972U/en active Active
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