CN212271674U - Anti-seismic reinforcing structure for frame shear wall filler wall body - Google Patents
Anti-seismic reinforcing structure for frame shear wall filler wall body Download PDFInfo
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- CN212271674U CN212271674U CN201922131004.4U CN201922131004U CN212271674U CN 212271674 U CN212271674 U CN 212271674U CN 201922131004 U CN201922131004 U CN 201922131004U CN 212271674 U CN212271674 U CN 212271674U
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- wire mesh
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Abstract
The utility model discloses a frame shear force wall infilled wall body antidetonation reinforced structure, including wire net, infilled wall, the infilled wall is built by laying bricks or stones by aerated concrete block and is formed to leave horse tooth raft and lacing wire at the position that is connected with the constructional column. The constructional column consists of a tie bar, a stirrup and a common bar, one end of the tie bar is connected with the constructional column, the other end of the tie bar is connected with the floor slab, and the common bar is in lap joint with the tie bar. The filler wall has two places to arrange the wire net, and first place wire net is laid along the horizontal mortar joint that contains the lacing wire, and the wire net is arranged at the position that the second is in major structure and brickwork wall and borders mutually, and filler wall horizontal lacing wire is arranged at every 500mm from the wall bottom to stretch into constructional column inflexion anchor 90, follow-up give the constructional column formwork and pour the pea gravel concrete, carry out the mortar to the wall and plaster after the acceptance inspection. The utility model discloses the construction is simple, and convenient for material collection to it is more firm to make infilled wall and major structure be connected, improves the whole rigidity of structure.
Description
Technical Field
The utility model belongs to the technical field of the building, especially, relate to a frame shear force wall infilled wall body reinforced structure that combats earthquake.
Background
The building collapse during earthquake damages to personal safety and property, transverse waves generated by earthquake are also called shear waves as important factors for causing the wall body of the filler wall to be damaged strongly, meanwhile, the filler wall is easy to crack and collapse under the horizontal load action of earthquake, when the bonding strength between bricks exceeds the peak value, the wall body is subjected to brittle damage and collapse, and the life of house staffs can be threatened, and considering that the damage and loss of the filler wall caused by the earthquake load cannot be ignored, in order to reduce the damage, the filler wall needs to be subjected to earthquake-resistant reinforcement, so that the strength and rigidity are improved to the maximum extent, and the loss is reduced to the minimum.
Through analyzing a plurality of major earthquakes which occur in China in the last decade, such as Wenchuan earthquake and Jade tree earthquake, the situation that the beam, the column and the shear wall of a frame shear wall structure or the frame structure in the earthquake are damaged slightly is obtained, the corresponding filling wall is damaged seriously, inclined cracks or crossed inclined cracks can be generated when the wall body of the filling wall is damaged, even if the filling wall does not belong to a main body structure, does not participate in bearing, and cannot influence the safety of the main body structure due to the damage of the filling wall, property loss and casualties can be caused.
The research of the national earthquake bureau engineering mechanics research institute, which carries out an experiment that the filler wall affects the lateral stiffness of the lower framework structure, shows that the filler wall has a large effect on the structural stiffness, and can approximately take the sum of the filler wall and the framework stiffness and multiply a coefficient to express the stiffness of the whole structure. According to earthquake experimental analysis on the frame filled wall, at the initial stage of earthquake occurrence, earthquake shear waves which damage buildings are mainly borne by the filled wall, and after the earthquake shear waves are damaged, earthquake load is borne by the main body frame structure.
The masonry has a plurality of reinforcement modes, such as a reinforced concrete additional layer reinforcement method, masonry local demolition, masonry crack repair and the like. Because the filler wall is constructed manually, mortar between bricks cannot be paved uniformly and compactly, so that the bricks cannot be bonded uniformly, pores inevitably exist, and meanwhile, the bricks cannot be uniformly pressed and are in complex stress states such as pressed state, sheared state and the like. The bricks of the filler wall are difficult to uniformly resist horizontal load under the action of earthquake, the shearing degrees of different parts are different, after the shearing degrees of different parts exceed the peak value, cracks of different degrees appear on the wall body or slippage occurs between the bricks, and the masonry bricks fall off to different degrees or even the wall body collapses seriously. The masonry infilled wall belongs to a brittle structure, no obvious sign appears when the masonry infilled wall is damaged, the crack development speed is high, the reinforcing mode cannot effectively inhibit the crack development and the sliding between the bricks, and the bonding force between the bricks cannot be effectively improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frame shear force wall infilled wall body reinforced structure that combats earthquake, this reinforced structure that combats earthquake wholeness can be good, the construction is simple, and convenient for material collection can effectually prevent to take place to slide between infilled wall brick and the brick, improves the bonding between brick and the brick, makes infilled wall and major structure become a better whole and participates in the atress.
In order to solve the technical problem existing in the above, the utility model discloses a technical scheme as follows:
a seismic strengthening structure of a frame shear wall infilled wall body comprises infilled walls, a steel wire mesh, a constructional column, infilled wall horizontal tie bars, stirrups, tie bars between the constructional column and a floor slab, steel nails, plastering mortar and common bars, wherein horse teeth joints and the tie bars are reserved at the connecting part of the infilled walls and the constructional column, the constructional column comprises the tie bars, the stirrups and the common bars, the tie bars are 8 in number, 4 tie bars are arranged at the top and the bottom of the column respectively, one end of each tie bar is lapped with the common bars, the other end of each tie bar is connected with the floor slab, the 4 common bars are lapped with the tie bars of a top plate and a bottom plate, the infilled walls are provided with two steel wire meshes, the first steel wire mesh is horizontally laid along the horizontal mortar joints containing the horizontal tie bars of the infilled walls, the steel wire mesh is nailed by the steel nails to enable the steel wire mesh to be tightly attached to the steel wire mesh, the steel wire mesh is stretched into the constructional column together through the tie bars and the tie bars of the, the horizontal lacing wires of the filling wall are arranged at intervals of 500mm from the bottom of the wall, have the diameter of 6mm and extend into the bent anchors of the constructional column by 90 degrees.
Furthermore, the steel wire mesh and the horizontal lacing wires of the filler wall are arranged at the same height, are arranged at intervals of 500mm along the bottom of the filler wall and are symmetrically distributed along the two horizontal sides, and are nailed by steel nails at intervals of 300mm up and down.
Furthermore, plastering mortar is smeared on the outer side of the steel wire mesh.
Furthermore, the filler wall is built by aerated concrete blocks, and the height of the filler wall is 2.55-2.85 m.
Further, the typical bar and tie bar are each 12mm in diameter, with a lap length of 500mm, a non-lap zone stirrup spacing of 200mm and a lap zone stirrup spacing of 100mm for the construction column.
The utility model has the advantages and beneficial effects that:
compared with the prior art, the utility model discloses an effect and advantage as follows:
1) easy material taking, simple construction, less time consumption and capability of enhancing the connection between masonry bricks
2) The steel wire meshes are fixed around the horizontal mortar joints and are finally connected with the tie bars through the constructional columns and the main body structure, so that the bricks and the bricks are ensured to form a whole, the deformation between the bricks is reduced, and the deformation of the filler wall under the action of an earthquake is also reduced.
3) The utility model discloses owing to reduced the whole deformation of infilled wall, improved the bonding between brick and the brick, and then improved the rigidity of frame shear wall structure, make the infilled wall act as the shock-resistant first line defence line of major structure.
4) In violent earthquake, because of the invalid accident that leads to the whole atress that topples of big piece wall body of lacing wire universal emergence, the utility model discloses a wire net stretches into the constructional column with the lacing wire together, and when the lacing wire became invalid, the wire net can act as the effect and the constructional column of lacing wire and be connected, guarantees that the infilled wall body continues to form whole continuation participation atress with major structure.
5) Under the effect of earthquake transverse wave, when the adhesion failure of the horizontal mortar joint department that certain one contained the lacing wire, brick and brick will take place to slide, the utility model discloses a steel wire net can replace the mortar joint mortar transmission horizontal shearing force that loses the adhesion, prevents that the brickwork brick from sliding and droing, guarantees personnel's life and property safety. The steel wire mesh at the horizontal mortar joint serves as a second defense line for resisting earthquake transverse waves of the wall body, the shear strength between the building blocks is improved, the construction is simple, the materials are convenient to obtain, the filler wall is connected with the main structure more firmly, and the integral rigidity of the structure is improved.
Drawings
FIG. 1 is a front view of an autoclaved aerated concrete block infilled wall and a constructional column;
FIG. 2 is a top view of an autoclaved aerated concrete block infilled wall and a constructional column;
FIG. 3 is a perspective view of a construction post;
fig. 4 is a plan view of a infilled wall construction column building.
In the figure, 1 is a filler wall, 2 is a steel wire mesh, 3 is a constructional column, 4 is a filler wall horizontal tie bar, 5 is a stirrup, 6 is a tie bar, 7 is a steel nail, 8 is plastering mortar, 9 is a reinforced concrete shear wall, and 10 is a common bar.
Detailed Description
The present invention will be described in detail with reference to the following drawings and examples:
as shown in figures 1 and 2, the utility model relates to a frame shear wall infilled wall body antidetonation reinforced structure, including infilled wall 1, wire net 2, constructional column 3, infilled wall horizontal lacing wire 4, stirrup 5, lacing wire 6, steel nail 7, plastering mortar 8, reinforced concrete shear force wall 9 and normal muscle 10, infilled wall 1 is built by the aerated concrete building block of workman, can't use the brick that the width is less than 200mm when building by laying, horizontal mortar joint and vertical mortar joint keep at 8-12mm, the wall body is less than 5mm, the roughness is controlled within 8mm, the height is 2.55-2.85m, infilled wall is connected with the constructional column through mao's raft and wall lacing wire, and then form a whole through constructional column and major structure, as shown in figures 3 and 4, the constructional column includes lacing wire 6, stirrup 5 and normal muscle 10, the lacing wire of constructional column totally 8, each 4 at capital and capital, 6 one end of lacing wire and the 10 overlap joint of muscle usually, the other end is connected with the floor, then with the 6 overlap joints of lacing wire of 4 muscle usually 10 and roof and bottom plate, muscle 10 and lacing wire 6 diameters usually are 12mm, and wherein overlap joint length is 500mm, and the 5 intervals of the stirrup of the non-overlap joint district of constructional column are 200mm, and 5 need encrypt the span of overlap joint district stirrup, and the interval is 100 mm.
Two steel wire meshes 2 are arranged on the filler wall, the first steel wire mesh 2 is horizontally laid along a horizontal mortar joint containing a horizontal tie bar 4 of the filler wall, the steel wire mesh 2 is nailed by steel nails 7 to be tightly attached to the wall surface, the inner side of the steel wire mesh is the filler wall body, and the outer side of the steel wire mesh is plastering mortar 8. The steel wire mesh 2 and the horizontal tie bars 4 of the filled wall extend into the constructional column 3 together, so that the filled wall and the cast-in-place fine aggregate concrete constructional column form a whole; according to GB50003-2011 masonry structure design standard requirements, a second steel wire mesh 2 is arranged at the position where a main body structure and a masonry wall are connected, horizontal tie bars 4 of a filler wall are arranged at intervals of 500mm from the wall bottom according to the standard requirements, the diameter of each tie bar is 6mm, each tie bar extends into a constructional column for 3 bent anchors 90 degrees, and the height of the constructional column is 2.85 m. And (3) overlapping common ribs of the constructional column with tie ribs at a floor slab of the frame shear wall structure, subsequently erecting a formwork for the constructional column and pouring fine aggregate concrete, and then coating mortar and plastering 8 on the wall after the main body is accepted. Plastering mortar is coated on the whole wall surface and covered with a steel wire mesh, and the thickness of the mortar is 10-25 mm.
After the constructional column 3 is poured with concrete, the constructional column can be well connected with the horizontal tie bars 4 of the filling wall and the steel wire meshes 2, so that the filling wall 1 and the constructional column 3 form a whole.
The steel wire mesh arranged at the first position is 10mm wider than the horizontal mortar joint, covers the horizontal mortar joint, is nailed by a steel nail and clings to the horizontal mortar joint, and the steel wire mesh arranged at the second position is 150mm wide and vertically covers the intersection line of the filler wall and the concrete wall column.
The steel wire mesh 2 and the horizontal lacing wires 4 of the filler wall are arranged at the same height, are arranged at intervals of 500mm along the bottom of the filler wall and are symmetrically distributed along the two horizontal sides, and are nailed up and down at intervals of 300mm by steel nails 7.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a frame shear force wall infilled wall body antidetonation reinforced structure which characterized in that: the steel wire mesh building block comprises a filling wall (1), a steel wire mesh (2), a constructional column (3), a horizontal tie bar (4) of the filling wall, hooping bars (5), tie bars (6), steel nails (7), plastering mortar (8) and common bars (10), wherein a serrated raft and the tie bars are reserved at the position, connected with the constructional column, of the filling wall (1), the constructional column comprises the tie bars (6), the hooping bars (5) and the common bars (10), the tie bars are totally 8, 4 steel wire meshes (2) are respectively arranged at the top and the bottom of the column, one end of each tie bar (6) is lapped with the common bars (10), the other end of each tie bar is connected with a floor slab, the 4 common bars (10) are lapped with the tie bars (6) of a top plate and a bottom plate, the filling wall is provided with two steel wire meshes (2), the first steel wire mesh (2) is horizontally laid along the horizontal mortar joints containing the horizontal tie bars (4) of the filling wall, and is nailed with the steel nails (7) of the steel wire mesh (2) to enable the steel wire mesh to be tightly attached to the wall surface, then the lacing wires stretch into the constructional column (3), a second steel wire mesh (2) is arranged at the junction of the main body structure and the masonry wall, and the horizontal lacing wires (4) of the filler wall are arranged at intervals of 500mm from the bottom of the wall, have the diameter of 6mm and stretch into the constructional column (3) and bend and anchor by 90 degrees.
2. The framework shear wall infilled wall body seismic strengthening structure of claim 1, characterized in that: the steel wire mesh (2) and the horizontal lacing wires (4) of the filler wall are arranged at the same height, are arranged at intervals of 500mm along the bottom of the filler wall and are symmetrically distributed along the two horizontal sides, and are nailed up and down at intervals of 300mm by steel nails (7).
3. The framework shear wall infilled wall body seismic strengthening structure of claim 1, characterized in that: and plastering mortar (8) is smeared on the outer side of the steel wire mesh (2).
4. The framework shear wall infilled wall body seismic strengthening structure of claim 1, characterized in that: the filler wall (1) is built by aerated concrete blocks, and the height is 2.55-2.85 m.
5. A frame shear wall infilled wall body anti-seismic reinforcing structure according to claim 1, characterised in that the normal bars (10) and tie bars (6) are each 12mm in diameter, with a lap length of 500mm, a non-lap zone stirrup (5) spacing of the constructional column of 200mm and a lap zone stirrup (5) spacing of 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922131004.4U CN212271674U (en) | 2019-12-03 | 2019-12-03 | Anti-seismic reinforcing structure for frame shear wall filler wall body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922131004.4U CN212271674U (en) | 2019-12-03 | 2019-12-03 | Anti-seismic reinforcing structure for frame shear wall filler wall body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212271674U true CN212271674U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922131004.4U Expired - Fee Related CN212271674U (en) | 2019-12-03 | 2019-12-03 | Anti-seismic reinforcing structure for frame shear wall filler wall body |
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| CN (1) | CN212271674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114417482A (en) * | 2022-02-16 | 2022-04-29 | 中信建筑设计研究总院有限公司 | Method for establishing simplified mechanical model of reinforced masonry infilled wall |
-
2019
- 2019-12-03 CN CN201922131004.4U patent/CN212271674U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114417482A (en) * | 2022-02-16 | 2022-04-29 | 中信建筑设计研究总院有限公司 | Method for establishing simplified mechanical model of reinforced masonry infilled wall |
| CN114417482B (en) * | 2022-02-16 | 2024-05-07 | 中信建筑设计研究总院有限公司 | Method for establishing simplified mechanical model of reinforced masonry infilled wall |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 Termination date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |