CN216196845U - Replaceable energy-consumption collapse-prevention reinforcing device for column base node of wood structure - Google Patents
Replaceable energy-consumption collapse-prevention reinforcing device for column base node of wood structure Download PDFInfo
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- CN216196845U CN216196845U CN202122730633.6U CN202122730633U CN216196845U CN 216196845 U CN216196845 U CN 216196845U CN 202122730633 U CN202122730633 U CN 202122730633U CN 216196845 U CN216196845 U CN 216196845U
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Abstract
The utility model discloses a replaceable energy-consumption collapse-prevention reinforcing device for a wood structure column base node, which comprises a rubber layer, a rubber layer fixing cylinder and an annular spring damper, wherein the rubber layer, the rubber layer fixing cylinder and the annular spring damper are sequentially fixed around a wood column from inside to outside, the annular spring damper is fixed on a device base, and the device base is hooped by an annular iron hoop. The device has improved the resilience that the post sways the resilience that arouses and the antidumping ability of post, has strengthened the power consumption ability and the ability of preventing collapsing of column base node, has improved the anti-seismic performance of column base node and has simple structure, and the installation is dismantled conveniently and removable advantage.
Description
Technical Field
The utility model belongs to the technical field of wood structure building reinforcement, and particularly relates to a replaceable energy-consumption collapse-prevention reinforcing device for a wood structure column base node.
Background
In the long history progress of China, unique and bright Chinese building culture is formed, and building systems such as palace, temple, folk house, garden and the like are built. However, according to the investigation on the damage condition of the existing wood structure building, the phenomena of wood decay, worm damage, cracking, slipping of the foundation stone and the like are generated at the column foot after the society changes for hundreds of years or even thousands of years and the influence of factors such as natural disasters, artificial damages and the like, so that the mechanical property of the structure is degraded, and even the structure collapses to cause the loss of cultural relics. Therefore, it is particularly important to reinforce the column base joint of the wooden structure.
In the wood structure building, the wood columns are used as important stress components for transferring upper load to a foundation, and play an important role in the integrity and stability of the wood structure building. The wooden column shoe usually rests flatly on the foundation stones, forming a column shoe joint connecting the superstructure to the foundation. Under the repeated action of wind load and earthquake, the column base generates the movements of sliding, swinging and the like, the rotating pivot changes left and right alternately in the movement process, and the damage of the compression deformation of the column base, the tilting of wood at the edge of the column base and the like can occur. Research has shown that: when the lateral deformation of the column frame is small, the resistance force generated by the column frame is beneficial to the structure; however, when the deformed corners of the column frame exceed the aspect ratio of the column, the resistance force exerted by the column frame is detrimental to the structure, and large corners may even cause the structure to collapse. Therefore, it is necessary to reinforce the column base joint of the timber structure so that structural damage does not occur when a large earthquake occurs.
At present, the strengthening scheme aiming at the column base node of the wood structure building has some problems, and the strengthening scheme mainly comprises the following points:
(1) some column base reinforcing schemes change the friction slip characteristic of the column base, limit the column base slip and are not beneficial to the energy consumption of the column base.
(2) The existing column base reinforcing scheme is difficult to realize the collapse-resistant design of the wood column.
(3) Part column base node reinforcing apparatus, the process is complicated, and does not possess the convertibility.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defects in the prior art, the present invention aims to provide a replaceable energy-consuming collapse-prevention reinforcing device for a column base node of a wood structure, which improves the restoring force caused by column swing and the anti-overturning capability of the column, prevents the collapse of the wood structure, enhances the energy-consuming capability of the column base when sliding, ensures the stability and safety of the structure, and improves the anti-seismic performance of the structure.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a replaceable energy-consumption collapse-prevention reinforcing device for a wood structure column base node, which comprises a rubber layer, a rubber layer fixing cylinder and an annular spring damper, wherein the rubber layer, the rubber layer fixing cylinder and the annular spring damper are sequentially fixed around a wood column from inside to outside, the annular spring damper is fixed on a device base, and the device base is hooped by an annular iron hoop.
Preferably, the rubber layer comprises two semi-annular butadiene rubbers, and the rubber layer is clamped by the rubber layer fixing cylinder.
Preferably, the rubber layer fixing cylinder is two semicircular arc-shaped steel plates, and the rubber layer fixing cylinder is hooped by passing a bolt through the lug plate and staggering the two semicircular butadiene rubber joints by 90 degrees. The rubber layer is densely filled between the wood column and the device base and between the wood column and the rubber layer fixing cylinder, the energy consumption capacity of the column base is enhanced through extrusion deformation between the wood column and the rubber layer, and meanwhile, the rubber layer can prevent the column base node from being rotten, damaged by worm eating and the like.
Preferably, the annular spring damper comprises 8 spring damping units, each spring damping unit comprises a fixed box body and a sliding box body which are mutually butted, and the fixed box bodies are welded on the fixed bottom plate.
As the preferred scheme, the fixed box body and the sliding box body are cavities, a spring is arranged in the fixed box body, and the spring extends into the sliding box body to connect the fixed box body with the sliding box body. The spring is initially in a fully relaxed state, and springs of different stiffnesses can be selected for different column base nodes.
Preferably, the fixed bottom plate is of a fan-shaped structure, and the bottom plate is provided with bolt holes and is firmly fixed on the device base through expansion bolts.
Preferably, the rubber layer and the rubber layer fixing cylinder are higher than the annular spring damper.
Preferably, the device base is composed of two semi-annular precast concrete plates, and the semi-annular precast concrete plates are hooped by two annular iron hoops.
Preferably, the rubber layer fixing cylinder, the annular spring damper and the annular iron hoop are made of Q345 steel.
Compared with the prior art, the foundation stone has the advantages that the device base is arranged on the upper portion of the foundation stone to enlarge the section of the bottom of the column, so that the restoring force caused by the swing of the column and the anti-overturning capacity of the column are improved; prevent column base roll-off foundatin stone through great frictional force between device base and the foundatin stone to prevent that timber structure from collapsing. Through the extrusion deformation of the rubber layer arranged around the wooden column, the energy consumption capacity of the column base during sliding is enhanced, meanwhile, the annular spring damper serves as a second defense line for damping and dissipating energy, and the energy is dissipated through the telescopic deformation of the spring in the fixed box body, so that the energy consumption capacity of the wooden column during sliding is further enhanced. Therefore, the reinforcing device does not change the sliding characteristic of the column base node of the wood structure, improves the energy consumption capability of the column base node, can prevent the column base from sliding out of the foundation stone, enhances the anti-overturning capability of the wood column, ensures the stability and the safety of the structure, and avoids the structure from collapsing, thereby improving the anti-seismic performance of the structure.
The utility model has the following advantages:
1. the reinforcing device is simple in structure, clear in principle and convenient to install.
2. The reinforcing device has replaceability, the device is basically not damaged under the action of small vibration, the device can be continuously used after vibration, and the device can be rapidly replaced if aging and other problems occur after large vibration or long-time action.
3. The device has no damage to the wood column, and the rubber layer is wrapped around the column foot of the wood column, thereby being beneficial to preventing the wood from decay, being damaged by worms and cracking.
4. This reinforcing apparatus has improved the resilience that the post sways and arouses and the antidumping ability of post through setting up the base increase column bottom cross-section.
5. The reinforcing device utilizes the extrusion deformation of the rubber layer and the telescopic deformation of the spring to dissipate energy by arranging two damping energy dissipation defensive lines of the rubber layer and the annular spring damper, so that the energy dissipation capacity is enhanced.
6. The reinforcing device does not change the slip characteristic of the column base, the rubber layer around the column base has super elasticity and can generate larger deformation, so that the slip of the column base is not limited, and the larger extrusion deformation of the rubber layer can consume the seismic energy.
7. This reinforcing apparatus has the function of preventing the post from collapsing, and reinforcing apparatus is located the foundatin stone, has great frictional force between the two, under the macroseism effect, can guarantee that the column base can not roll off the foundatin stone to guarantee that the structure can not take place to collapse, strengthened the overall stability and the security of structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:
FIG. 1 is a diagram of a reinforcement device according to an embodiment of the present invention;
FIG. 2 is a diagram of a rubber layer of an embodiment of the present invention;
FIG. 3 is a rubber layer fixing cylinder diagram of the embodiment of the present invention;
FIG. 4 is a diagram of a spring damping cell of an embodiment of the present invention;
FIG. 5 is a view of the apparatus base of an embodiment of the present invention;
FIG. 6 is a diagram of an annular iron hoop according to an embodiment of the present invention;
the reference numerals in the drawings mean: 1-wood column, 2-rubber layer, 3-rubber layer fixing cylinder, 3-1-semicircular arc steel plate, 3-2-lug plate, 3-3-bolt, 4-annular spring damper, 4-1-fixing bottom plate, 4-2-fixing box body, 4-3-spring, 4-4-sliding box body, 5-device base, 6-annular iron hoop, 6-1-steel band, 6-2-iron hoop lug plate and 6-3-iron hoop bolt.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the present invention are provided to explain the present invention without limiting the utility model thereto.
Fig. 1 shows a replaceable energy-consuming collapse-prevention reinforcing device for a wood structure column base node, which comprises a rubber layer 2, a rubber layer fixing cylinder 3 and an annular spring damper 4 which are sequentially fixed around a wood column 1 from inside to outside, wherein the annular spring damper 4 is fixed on a device base 5, and the device base 5 is hooped by an annular iron hoop 6.
Wherein, the diameter of the wood column 1 is 350mm-450 mm. The device base 5 is placed on the upper portion of the foundation stone and at a position 30mm-40mm away from the periphery of a column base of a wood column 1, the device base is composed of two semi-annular precast concrete plates, the materials are C25 or C30 concrete, the height is 100mm-150mm, the ring width is 800mm-1000mm, bolt holes are formed in the device base 5, the diameter of each bolt hole is 10mm-16mm, and the device base 5 is hooped by arranging two annular iron hoops 6. In one embodiment, the wood column 1 has a diameter of 400mm, the device base 5 is placed on the upper portion of the foundation stone and at a distance of 40mm from the periphery of the column foot of the wood column 1, the material is C25 concrete, the height is 100mm, the ring width is 800mm, and the diameter of the bolt hole on the device base 5 is 14 mm.
Fig. 2 shows a rubber layer diagram of an embodiment of the utility model, which is composed of two semi-annular butadiene rubbers, and the rubber layer 2 is wrapped around the column base of the wood column 1.
FIG. 3 shows a rubber layer fixing cylinder diagram of an embodiment of the utility model, which is composed of two semi-circular arc-shaped steel plates 3-1, wherein two sides of the semi-circular arc-shaped steel plate 3-1 are respectively provided with an ear plate 3-2, the ear plates are provided with bolt holes, and the two semi-circular arc-shaped steel plates 3-1 are hooped by the bolts 3-3 penetrating through the ear plates 3-2 and crossing the joint of the two semi-circular butadiene rubbers for 90 degrees. The rubber layer 2 and the rubber layer fixing cylinder 3 are higher than the annular spring damper 4.
Wherein, a rubber layer fixing cylinder 3 is arranged on the upper part of the device base 5 and at a position 30mm-40mm away from the periphery of the wood column 1, the rubber layer fixing cylinder comprises two semi-circular arc-shaped steel plates 3-1, lug plates 3-2 are welded on two sides of the semi-circular arc-shaped steel plates, bolt holes are arranged on the lug plates, and the lug plates are connected into a whole through bolts 3-3. The semicircular arc-shaped steel plate 3-1 is made of Q345 or Q390 steel, the height is 300mm-400mm, the thickness is 4mm-10mm, the ear plate 3-2 is a square steel plate made of Q345 or Q390 steel, the side length is 12mm-20mm, the thickness is 4mm-10mm, and the diameter of a bolt hole is 6mm-10 mm. The rubber layer 2 is densely filled between the wood column 1 and the device base 5 and between the wood column 1 and the rubber layer fixing cylinder 3. In one embodiment, a rubber layer fixing cylinder 3 is arranged at the upper part of a device base 5 and 40mm away from the periphery of a wood column 1, a semi-circular arc-shaped steel plate 3-1 is made of Q345 steel, the height is 400mm, the thickness is 10mm, an ear plate 3-2 is made of Q345 steel, the size is 20mm multiplied by 10mm, the diameter of a bolt hole is 8mm, a bolt 3-3 is M8, and butadiene rubber is adopted as a rubber layer 2.
FIG. 4 shows a spring damping unit diagram of an embodiment of the present invention, wherein 8 spring damping units form a ring-shaped spring damper 4, and each spring damping unit comprises a fixed bottom plate 4-1, a fixed box 4-2 arranged on the fixed bottom plate, a spring 4-3 connected in the fixed box, and a sliding box 4-4 buckled in the fixed box. The fixed box body 4-2 and the sliding box body 4-4 are cavities, a spring 4-3 is arranged in the fixed box body 4-2, and the spring 4-3 extends into the sliding box body 4-4 to connect the fixed box body 4-2 and the sliding box body 4-4. The fixed bottom plate 4-1 is of a fan-shaped structure, and bolt holes are formed in the bottom plate and are fixed on the device base 5 through expansion bolts.
Wherein, the steel plates adopted by the fixed bottom plate 4-1, the fixed box body 4-2 and the sliding box body 4-4 are Q345 or Q390 steel, and the thickness is 4mm-10 mm. A fixing bottom plate 4-1 is arranged at a position 200mm-250mm away from the periphery of the rubber layer fixing cylinder 3, the fixing bottom plate is of a fan-shaped structure, the width of the fan is 400mm-450mm, bolt holes are formed in the bottom plate, the diameter of each bolt hole is 10mm-16mm, and the fixing bottom plate is fixed on a device base 5 through expansion bolts; the upper steel plate and the lower steel plate of the fixed box body 4-2 are the same fan-shaped steel plates, the fan width is 300mm-350mm, the left steel plate and the right steel plate are the same rectangular steel plates, the length is 300mm-350mm, the width is 150mm-200mm, the rear steel plate is an arc-shaped steel plate, the width is 170mm-220mm, and the fixed box body 4-2 is connected to the fixed bottom plate 4-1 in a welding mode; the upper steel plate and the lower steel plate of the sliding box body 4-4 are the same fan-shaped steel plates, the fan width is 250mm-300mm, the left steel plate and the right steel plate are the same rectangular steel plates, the length is 200mm-300mm, the width is 150mm-200mm, the front steel plate is an arc-shaped steel plate, the width is 170mm-220mm, the front steel plate is tightly attached to the outer side of the rubber layer fixing cylinder 3, and the sliding box body 4-4 is buckled in the fixing box body 4-2; one end of the spring 4-3 is spot welded in the fixed box 4-2, the other end is welded in the sliding box 4-4, and springs with different rigidities are selected according to different column base nodes. In one embodiment, the steel plate used for the fixed base plate 4-1, the fixed casing 4-2 and the sliding casing 4-4 is Q345 steel with a thickness of 10 mm. A fixed bottom plate 4-1 is arranged at a position 250mm away from the periphery of the rubber layer fixed cylinder 3, the fan width is 450mm, the diameter of a bolt hole is 14mm, and the type of an expansion bolt is M10. The fan width of the upper steel plate and the lower steel plate of the fixed box body 4-2 is 350mm, the length of the left steel plate and the right steel plate is 350mm, the width of the left steel plate and the right steel plate is 200mm, and the width of the rear steel plate is 220 mm. The upper steel plate and the lower steel plate of the sliding box body 4-4 are 300mm in width, the left steel plate and the right steel plate are 300mm in length and 200mm in width, and the front steel plate is 220mm in width.
Figure 5 shows a view of the device base of an embodiment of the utility model, consisting of two semi-annular precast concrete slabs, placed on top of the base stone.
Fig. 6 shows a ring-shaped hoop diagram of an embodiment of the utility model, two ends of a steel belt 6-1 are provided with hoop ear plates 6-2, the ear plates are provided with bolt holes, and a device base 5 is clamped through hoop bolts 6-3. The annular iron hoop has two.
The steel band 6-1 is made of Q345 or Q390 steel, the length of the steel band is determined according to the circumference of the circular device base 5, the width of the steel band is 12mm-20mm, the thickness of the steel band is 2mm-5mm, the iron hoop ear plate 6-2 is a square steel plate, the steel band is made of Q345 or Q390 steel, the side length of the steel band is 12mm-20mm, the thickness of the steel band is 4mm-10mm, and the diameter of a bolt hole is 6mm-10 mm. In one embodiment, the steel strip 6-1 is made of Q345 steel, the width is 20mm, the thickness is 3mm, the hoop ear plate 6-2 is made of Q345 steel, the size is 20mm multiplied by 6mm, the bolt hole diameter is 10mm, and the hoop bolt 6-3 is M10.
The utility model relates to a replaceable energy-consumption collapse-prevention reinforcing device connecting method for a wood structure column base node, which comprises the following steps of:
step 1: the rubber layer is wrapped around the wood column base, and the upper surface of the rubber layer is brushed with anticorrosive paint to prevent the rubber layer from aging in the air.
Step 2: the device base consisting of two semi-annular concrete plates is arranged on the periphery of the rubber layer and is hooped by two annular iron hoops, and the device base is positioned on the foundation stone.
And step 3: and a rubber layer fixing cylinder consisting of two semi-arc steel plates is wrapped on the periphery of the rubber layer and is fixedly connected through bolts.
And 4, step 4: the fixed box body consisting of the upper steel plate, the lower steel plate, the left steel plate, the right steel plate and the rear steel plate is welded into a whole, and the fixed box body is welded on the fixed bottom plate.
And 5: one end of the spring is spot welded in the fixed box body, and the spring is initially in a completely relaxed state.
Step 6: the sliding box body consisting of the upper steel plate, the lower steel plate, the left steel plate, the right steel plate and the front steel plate is also welded into a whole, the other end point of the spring is welded in the sliding box body, and the sliding box body is buckled in the fixed box body.
And 7: a spring damping monomer is formed by splicing the fixed bottom plate, the fixed box body, the spring and the sliding box body, the spring damping monomer is fixed on a device base through the bolt holes in the fixed bottom plate by using expansion bolts, and the front steel plate of the sliding box body is tightly attached to the outer side of the rubber layer fixing cylinder.
The working principle of the utility model is as follows: the device base is arranged on the upper part of the foundation stone to increase the section of the column bottom, so that the restoring force caused by the swing of the column and the anti-overturning capability of the column are improved; prevent column base roll-off foundatin stone through great frictional force between device base and the foundatin stone to prevent that timber structure from collapsing. Through the extrusion deformation of the rubber layer arranged around the wooden column, the energy consumption capacity of the column base during sliding is enhanced, meanwhile, the annular spring damper serves as a second defense line for damping and dissipating energy, and the energy is dissipated through the telescopic deformation of the spring in the fixed box body, so that the energy consumption capacity of the wooden column during sliding is further enhanced.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed in the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a removable power consumption reinforcing apparatus that collapses that prevents for timber structure column base node which characterized in that includes and is fixed in rubber layer (2), rubber layer fixed cylinder (3) and annular spring attenuator (4) around timber pillar (1) from inside to outside in proper order, and annular spring attenuator (4) are fixed on device base (5), and device base (5) are cramped through annular hoop (6).
2. A replaceable energy-consuming collapse-prevention reinforcing device for a wood-structure column-foot joint as claimed in claim 1, wherein the rubber layer (2) comprises two semi-annular butadiene rubbers, which are tightened by a rubber layer fixing cylinder (3).
3. The replaceable energy-consuming collapse-prevention reinforcing device for the column-foot joint of the wood structure as claimed in claim 2, wherein the rubber layer fixing cylinder (3) is two semi-circular arc-shaped steel plates (3-1) which are hooped by a bolt (3-3) passing through the ear plate (3-2) and crossing the joint of the two semi-circular butadiene rubbers for 90 degrees.
4. The replaceable energy-consumption collapse-prevention reinforcing device for the column base node of the wood structure according to claim 1, wherein the annular spring damper (4) comprises 8 spring damping single bodies, each spring damping single body comprises a fixed box body (4-2) and a sliding box body (4-4) which are mutually butted, and the fixed box bodies (4-2) are welded on the fixed bottom plate (4-1).
5. The replaceable energy-consumption collapse-prevention reinforcing device for the column base node of the wood structure as claimed in claim 4, wherein the fixed box body (4-2) and the sliding box body (4-4) are cavities, a spring (4-3) is arranged in the fixed box body (4-2), and the spring (4-3) extends into the sliding box body (4-4) to connect the fixed box body (4-2) and the sliding box body (4-4).
6. A replaceable energy-consuming collapse-prevention reinforcing device for a timber structure column base node according to claim 4, wherein the fixing base plate (4-1) is of a fan-shaped structure, and bolt holes are formed in the base plate and are fixed on the device base (5) through expansion bolts.
7. A replaceable energy-consuming collapse-prevention reinforcing device for timber structure column base nodes, according to claim 1, characterized in that the rubber layer (2) and rubber layer fixing cylinder (3) are higher than the annular spring damper (4).
8. A replaceable energy-consuming collapse-preventing reinforcement device for timber structure column base nodes according to claim 1, characterized in that the device base (5) consists of two semi-annular precast concrete plates, which are hooped by two annular iron hoops (6).
9. The replaceable energy-consuming collapse-prevention reinforcing device for the wood-structure column base node as claimed in claim 1, wherein the rubber layer fixing cylinder (3), the annular spring damper (4) and the annular iron hoop (6) are made of Q345 steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730633.6U CN216196845U (en) | 2021-11-09 | 2021-11-09 | Replaceable energy-consumption collapse-prevention reinforcing device for column base node of wood structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122730633.6U CN216196845U (en) | 2021-11-09 | 2021-11-09 | Replaceable energy-consumption collapse-prevention reinforcing device for column base node of wood structure |
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| CN216196845U true CN216196845U (en) | 2022-04-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562132A (en) * | 2022-04-06 | 2022-05-31 | 西安建筑科技大学 | Column diameter enlarging device with replaceable built-in pre-tightening steel hoop and mounting and dismounting process thereof |
| CN114673376A (en) * | 2022-04-06 | 2022-06-28 | 西安建筑科技大学 | Column diameter expanding device for enhancing shock absorption of combined rubber pad and mounting process |
-
2021
- 2021-11-09 CN CN202122730633.6U patent/CN216196845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562132A (en) * | 2022-04-06 | 2022-05-31 | 西安建筑科技大学 | Column diameter enlarging device with replaceable built-in pre-tightening steel hoop and mounting and dismounting process thereof |
| CN114673376A (en) * | 2022-04-06 | 2022-06-28 | 西安建筑科技大学 | Column diameter expanding device for enhancing shock absorption of combined rubber pad and mounting process |
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