CN214461439U - Assembly type shear wall with chambering friction energy dissipation horizontal connecting structure - Google Patents
Assembly type shear wall with chambering friction energy dissipation horizontal connecting structure Download PDFInfo
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- CN214461439U CN214461439U CN202023350393.9U CN202023350393U CN214461439U CN 214461439 U CN214461439 U CN 214461439U CN 202023350393 U CN202023350393 U CN 202023350393U CN 214461439 U CN214461439 U CN 214461439U
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Abstract
The utility model discloses an assembled shear wall with a reaming friction energy-consumption horizontal connecting structure, which comprises an upper wall body, a lower wall body, a connecting steel plate, a friction backing plate and a high-strength bolt; the upper wall body and the lower wall body both comprise outer steel plates and concrete in the outer steel plates, the upper wall body and the lower wall body are stacked along the vertical direction, a horizontal seam is formed at the stacking position, one end, close to the horizontal seam, of the upper wall body is provided with a plurality of screw rod pore passages, the screw rod pore passage positioned in the middle is a vertically expanded long screw rod pore passage, and the screw rod pore passages positioned on two sides of the middle are expanded circular screw rod pore passages; the connecting steel plate covers the horizontal joint, the lower end of the connecting steel plate is connected with the lower wall body, a friction backing plate is arranged between the upper end of the connecting steel plate and the upper wall body, a plurality of bolt holes are formed in the friction backing plate and the connecting steel plate corresponding to the screw hole, and the high-strength bolt penetrates through the bolt holes and the screw hole to be connected with the upper wall body, the connecting steel plate and the friction backing plate.
Description
Technical Field
The utility model relates to a shear force wall assembly technical field, in particular to establish assembled shear force wall of reaming friction power consumption horizontal connection structure.
Background
At present, the country is greatly promoting the assembly type structure, and the research of an assembly type structure system focuses on the construction mode and the mechanical property of a connection node between prefabricated components and a connection node between the prefabricated components and a cast-in-place component. How to design the wallboard connecting node with good bearing capacity, ductility and energy consumption capability and convenient construction is a key problem in popularization and application of the assembled shear wall structure.
With the development of socio-economic, the loss caused by earthquake disaster is getting more serious, so the adverse effect caused by earthquake action is more emphasized in the building structure, and particularly, the connection node is more easily affected to cause connection failure. However, in the existing connection node schemes, the problems of poor energy consumption capability and poor ductility of the connection node exist mostly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides an establish assembled shear force wall of reaming friction power consumption horizontal connection structure, has solved current connected node scheme, and connected node power consumption ability is poor and the relatively poor scheduling problem of ductility.
The technical scheme of the utility model is that: an assembled shear wall with a reaming friction energy-consumption horizontal connecting structure comprises an upper wall body, a lower wall body, a connecting steel plate, a friction base plate and a high-strength bolt;
the upper wall body and the lower wall body both comprise outer steel plates and concrete in the outer steel plates, the upper wall body and the lower wall body are stacked along the vertical direction, a horizontal seam is formed at the stacking position, one end, close to the horizontal seam, of the upper wall body is provided with a plurality of screw rod pore passages, the screw rod pore passage positioned in the middle is a vertically expanded long screw rod pore passage, and the screw rod pore passages positioned on two sides of the middle are expanded circular screw rod pore passages;
the connecting steel plate covers the horizontal joint, the lower end of the connecting steel plate is connected with the lower wall body, a friction backing plate is arranged between the upper end of the connecting steel plate and the upper wall body, a plurality of bolt holes are formed in the friction backing plate and the connecting steel plate corresponding to the screw hole, and the high-strength bolt penetrates through the bolt holes and the screw hole to be connected with the upper wall body, the connecting steel plate and the friction backing plate. When the bending shear effect or the earthquake effect occurs under the normal use state, the middle part of the upper wall body is deformed or displaced, the circular screw hole channel is expanded to allow the upper wall body and the lower wall body to be mutually dislocated along any direction, the long screw hole channel is vertically expanded to ensure that the upper wall body and the lower wall body can only be mutually dislocated along a single direction, at the moment, the friction gasket, the connecting steel plate and the high-strength bolt are fixed, and the outer wall of the upper wall body and the friction gasket can relatively slide to realize friction energy consumption.
Furthermore, the contact surfaces of the friction base plate and the upper wall body are subjected to sand blasting respectively, the friction coefficient between the contact surfaces is increased, when the contact surfaces are subjected to friction sliding under the action of load, friction energy consumption can be realized between the friction base plate and the upper wall body, and the damage to the shear wall under the action of earthquake is reduced.
Further, the friction coefficient between the friction base plate and the upper-layer wall body is 0.4.
Further, the friction backing plate is an aluminum friction backing plate.
The construction method of the fabricated shear wall with the reaming friction energy-consumption horizontal connecting structure comprises the following steps:
the method comprises the steps of prefabricating an upper wall body and a lower wall body, arranging a plurality of screw rod pore passages at the lower end of the upper wall body, wherein the screw rod pore passages are all hole expanding bolt pore passages, the screw rod pore passages positioned in the middle are vertically long-shaped hole expanding screw rod pore passages, the screw rod pore passages on two sides of the middle are circular hole expanding screw rod pore passages, the lower end of a connecting steel plate is welded to the upper end of a lower steel plate in advance, the upper wall body is hoisted and vertically stacked above the lower wall body, a friction backing plate is installed between the connecting steel plate and the upper wall body, bolt holes in the friction backing plate and the connecting steel plate are aligned with the bolt pore passages, finally, high-strength bolts are installed, the high-strength bolts penetrate through the bolt holes and the screw rod pore passages, and apply pre-tightening force to the high-strength bolts, so that the upper wall body, the connecting steel plate and the friction backing plate are tightly pressed together.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses an if assembled shear force wall of reaming friction power consumption horizontal connection structure, the screw rod pore of upper wall body middle part is vertical to expand microscler screw rod pore, and the screw rod pore of middle part both sides is for expanding circular screw rod pore, and different from traditional assembled connection structure not reamed, the bolt crowd that the high strength bolt in both sides of upper wall body and middle part constitutes can be through the friction power consumption when the wall body bears reciprocal buckling effect (such as earthquake effect); the high-strength bolts on the two sides of the upper wall only bear shearing force which does not exceed the friction force in the vertical direction and the horizontal direction, so that the shearing damage of the high-strength bolts can not occur, and the friction energy consumption capability can be stably exerted. And simultaneously, the utility model discloses a set up the mode and can also promote the stress redistribution in high strength bolt crowd and cross-section after high strength bolt produces the slip to reduce the damage degree at weak position, can effectively improve the ductility and the power consumption ability of whole piece shear force wall.
Drawings
Fig. 1 is a combination view of the assembled shear wall of the present invention.
Fig. 2 is an exploded view of the assembled shear wall of the present invention.
Fig. 3 is a partial front view of the fabricated shear wall of the present invention.
Fig. 4 is a cross-sectional view taken along line a-a of fig. 3.
Fig. 5 is a schematic view of the reaming friction energy consumption of the present invention.
The wall comprises an upper wall body 1, a lower wall body 2, a connecting steel plate 3, a high-strength bolt 4, a friction backing plate 5, a vertically expanded long screw hole channel 61, an expanded circular screw hole channel 62 and a bolt hole 7.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
As shown in fig. 1 and 2, the embodiment provides an assembled shear wall with a reaming friction energy-consumption horizontal connection structure, which includes an upper wall 1, a lower wall 2, a connecting steel plate 3, a high-strength bolt 4 and a friction backing plate 5.
As shown in fig. 1 and 2, the upper wall and the lower wall both include outer steel plates and concrete in the outer steel plates, the upper wall and the lower wall are stacked in the vertical direction and have horizontal joints, one end of the upper wall close to the horizontal joints is provided with a plurality of screw rod ducts, wherein the screw rod duct in the middle is a vertically expanded long screw rod duct 61, the screw rod ducts on both sides of the middle are expanded round screw rod ducts 62, the screw rod duct in the middle of the upper wall is arranged in a single row, and the screw rod ducts on both sides of the middle are arranged in two rows.
As shown in fig. 1 and 2, the connecting steel plate covers the horizontal joint, the lower end of the connecting steel plate is connected with the lower wall, a friction backing plate is arranged between the upper end of the connecting steel plate and the upper wall, the contact surface of the friction backing plate and the upper wall is subjected to sand blasting respectively, the friction coefficient between the contact surfaces is increased, when the contact surfaces are subjected to friction sliding under the action of load, friction energy consumption can be realized between the friction backing plate and the upper wall, and the damage to the shear wall under the action of earthquake is reduced, in the embodiment, the friction coefficient between the friction backing plate and the upper wall is 0.4, and the contact surfaces of the friction backing plate and the upper wall are subjected to sand blasting respectively.
As shown in fig. 1 and 2, the friction backing plate and the connecting steel plate are provided with a plurality of bolt holes 7 corresponding to the screw hole channels, and as shown in fig. 3 and 4, the high-strength bolt penetrates through the bolt holes and the screw hole channels to connect the upper wall, the connecting steel plate and the friction backing plate.
As shown in fig. 5, when the high-strength bolt is subjected to a large bending action, the screw of the high-strength bolt has a vertical sliding space in the expanded circular screw duct and the vertical expanded long screw duct for friction energy consumption, and the shearing force applied to all the high-strength bolts in the vertical direction does not exceed the friction force. In the horizontal direction, when the large horizontal shear force acts, the round screw hole channels expanded at the two ends only bear the shear force which does not exceed the friction force, and the long screw hole channel expanded vertically can bear the large direct shear force. Different from the traditional assembled connecting structure without reaming: the bolt groups consisting of the high-strength bolts at the two sides and the middle part of the upper wall body can dissipate energy through friction when the wall body bears the reciprocating bending action (such as the earthquake action); the high-strength bolts on the two sides of the upper wall only bear shearing force which does not exceed the friction force in the vertical direction and the horizontal direction, so that the shearing damage of the high-strength bolts can not occur, and the friction energy consumption capability can be stably exerted. And simultaneously, the utility model discloses a set up the mode and can also promote the stress redistribution in high strength bolt crowd and cross-section after high strength bolt produces the slip to reduce the damage degree at weak position, can effectively improve the ductility and the power consumption ability of whole piece shear force wall.
The construction method of the fabricated shear wall with the reaming friction energy-consumption horizontal connecting structure comprises the following steps:
the method comprises the steps of prefabricating an upper wall body and a lower wall body, arranging a plurality of screw rod pore passages at the lower end of the upper wall body, wherein the screw rod pore passages are all hole expanding bolt pore passages, the screw rod pore passages positioned in the middle are vertically long hole expanding screw rod pore passages, the screw rod pore passages positioned on two sides of the middle are circular hole expanding screw rod pore passages, the lower end of a connecting steel plate is welded to the upper end of a lower steel plate in advance, the upper wall body is lifted and vertically stacked above the lower wall body, a friction backing plate is installed between the connecting steel plate and the upper wall body, sand blasting is respectively carried out on the contact surface of the friction backing plate and the upper wall body, bolt holes in the friction backing plate and the connecting steel plate are aligned with the bolt pore passages, finally, high-strength bolts are installed, penetrate through the bolt holes and the screw rod pore passages, and pretightening force is applied to the high-strength bolts, so that the upper wall body, the connecting steel plate and the friction backing plate are pressed together.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. An assembled shear wall with a chambering friction energy-consumption horizontal connecting structure is characterized by comprising an upper wall body, a lower wall body, a connecting steel plate, a friction base plate and a high-strength bolt;
the upper wall body and the lower wall body both comprise outer steel plates and concrete in the outer steel plates, the upper wall body and the lower wall body are stacked along the vertical direction, a horizontal seam is formed at the stacking position, one end, close to the horizontal seam, of the upper wall body is provided with a plurality of screw rod pore passages, the screw rod pore passage positioned in the middle is a vertically expanded long screw rod pore passage, and the screw rod pore passages positioned on two sides of the middle are expanded circular screw rod pore passages;
the connecting steel plate covers the horizontal joint, the lower end of the connecting steel plate is connected with the lower wall body, a friction backing plate is arranged between the upper end of the connecting steel plate and the upper wall body, a plurality of bolt holes are formed in the friction backing plate and the connecting steel plate corresponding to the screw hole, and the high-strength bolt penetrates through the bolt holes and the screw hole to be connected with the upper wall body, the connecting steel plate and the friction backing plate.
2. The fabricated shear wall with the broaching friction energy-consumption horizontal connecting structure as claimed in claim 1, wherein the contact surfaces of the friction backing plate and the upper wall body are respectively subjected to sand blasting treatment.
3. The fabricated shear wall with a chambered friction energy-dissipating horizontal connecting structure according to claim 2, wherein the friction coefficient between the friction backing plate and the upper wall body is 0.4.
4. The fabricated shear wall with a chambered friction energy-consuming horizontal connecting structure according to claim 1, wherein the friction backing plate is an aluminum friction backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350393.9U CN214461439U (en) | 2020-12-31 | 2020-12-31 | Assembly type shear wall with chambering friction energy dissipation horizontal connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350393.9U CN214461439U (en) | 2020-12-31 | 2020-12-31 | Assembly type shear wall with chambering friction energy dissipation horizontal connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN214461439U true CN214461439U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023350393.9U Active CN214461439U (en) | 2020-12-31 | 2020-12-31 | Assembly type shear wall with chambering friction energy dissipation horizontal connecting structure |
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| Country | Link |
|---|---|
| CN (1) | CN214461439U (en) |
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- 2020-12-31 CN CN202023350393.9U patent/CN214461439U/en active Active
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