CN112412088A - Energy consumption plate device for reinforcing wood structure node - Google Patents
Energy consumption plate device for reinforcing wood structure node Download PDFInfo
- Publication number
- CN112412088A CN112412088A CN202011135405.8A CN202011135405A CN112412088A CN 112412088 A CN112412088 A CN 112412088A CN 202011135405 A CN202011135405 A CN 202011135405A CN 112412088 A CN112412088 A CN 112412088A
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- Prior art keywords
- plate
- reinforcing
- wood structure
- node
- structure node
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- 239000002023 wood Substances 0.000 title claims abstract description 52
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 46
- 238000005265 energy consumption Methods 0.000 title abstract description 24
- 239000004744 fabric Substances 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 5
- 239000000805 composite resin Substances 0.000 claims 1
- 229920006335 epoxy glue Polymers 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000003313 weakening effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 230000002787 reinforcement Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0248—Increasing or restoring the load-bearing capacity of building construction elements of elements made of wood
Abstract
The embodiment of the invention provides an energy consumption plate device for reinforcing wood structure nodes, which comprises: the two hoop bodies are sleeved on the column and are respectively positioned on the upper side and the lower side of the node; the fixed connection plates are respectively connected to two sides of each hoop body, arranged on the upper surface and the lower surface of the beam riveted with the columns and connected with the beam; wherein, the edge of each fixed connection plate is processed with a groove along the width direction thereof to form a weak part. According to the energy consumption plate device for reinforcing the wood structure node, provided by the embodiment of the invention, the mode of weakening the flange of the fixed plate is skillfully adopted, and a weak position is actively generated on the fixed plate, so that the plastic hinge is transferred from the beam-column connecting node to the weakened part of the flange of the fixed plate, and the fixed plate is damaged before wood, thereby enhancing the energy consumption capability of the whole device. During construction, only the fixedly connected plate needs to be replaced, and the construction difficulty of the wood structure node reinforcing member is reduced.
Description
Technical Field
The invention relates to the technical field of wood structure node reinforcement, in particular to an energy consumption plate device for reinforcing a wood structure node.
Background
The wood structure is a common building structure form, is widely applied in China and has a long history. Nowadays, wood structures are mainly applied to rural houses with low floor numbers, professional anti-seismic design is not performed, and meanwhile, the wood structures are easily damaged and corroded by worms, so that a plurality of wood structure buildings are seriously damaged, the later-period durability is greatly influenced, and the wood structures are urgently needed to be maintained and reinforced.
In some ancient building timber structure performance after earthquake investigation, it is found that structural damage is mainly concentrated on some node areas, so for timber structure reinforcement, the node performance is mainly enhanced. The stress of the node area is complex, and the reinforcement construction is difficult to carry out in the node, which has become a prominent problem in the field of wood structure node reinforcement.
The existing wood structure node reinforcing method mainly comprises a nail-pulling reinforcing method, a steel pin reinforcing method, a beam bottom wood-supporting reinforcing method, a fiber cloth reinforcing method and the like, the reinforcing methods can improve the rigidity of the wood structure node to a certain extent and enhance the performance of the wood structure node, but the nail-pulling reinforcing method, the steel pin reinforcing method and the beam bottom wood-supporting reinforcing method seriously damage the wood structure, reduce the strength of the wood structure and accelerate the damage speed of a component; the fiber cloth reinforcement method mainly uses structural adhesive, but has high construction difficulty and labor cost at beam column joints with complex structures.
Disclosure of Invention
The embodiment of the invention provides an energy consumption plate device for reinforcing a wood structure node, which is used for solving the defects of high construction difficulty and low load resistance in a wood structure node reinforcing member in the prior art.
The embodiment of the invention provides an energy consumption plate device for reinforcing wood structure nodes, which comprises: the two hoop bodies are sleeved on the column and are respectively positioned on the upper side and the lower side of the node; the fixed connection plates are respectively connected to two sides of each hoop body, arranged on the upper surface and the lower surface of the beam riveted with the columns and connected with the beam; and grooves are processed on the edge of each fixed connection plate along the width direction of the fixed connection plate to form weak parts.
According to an embodiment of the present invention, the energy dissipating plate device for reinforcing a wood structure node, comprises: the connecting parts are respectively connected with two ends of the body part, and first connecting holes are formed in the connecting parts so as to penetrate through a first bolt to connect the two oppositely arranged connecting parts and to enable the hoop body to be sleeved on the column; wherein the fixed plate is connected to both sides of the body portion.
According to the energy consumption plate device for reinforcing the wood structure node, the shape of the body part is matched with that of the column.
According to the energy consumption plate device for reinforcing the wood structure node, the end face shape of one end of each fixed plate is matched with the shape of the body part.
According to the energy consumption plate device for reinforcing the wood structure node, one end of each fixed connection plate is in a circular arc shape.
According to the energy consumption plate device for reinforcing the wood structure node, each connecting part is of a trapezoidal structure, and the connecting parts are arranged above the fixed connection plates.
According to the energy consumption plate device for reinforcing the wood structure node, the energy consumption plate device further comprises a plurality of pieces of protective cloth, wherein the protective cloth is symmetrically arranged on two sides of the column and respectively wound on the fixed plate and the beam so as to fix the fixed plate and the beam.
According to the energy consumption plate device for reinforcing the wood structure node, the protective cloth is made of fiber reinforced resin matrix composite materials.
According to the energy consumption plate device for reinforcing the wood structure node, the protective cloth is adhered to the fixed connection plate and the beam by adopting epoxy resin glue.
According to the energy consumption plate device for reinforcing the wood structure node, the fixed plate is provided with a second connecting hole so as to penetrate through a second bolt to fix the fixed plate and the beam.
According to the energy consumption plate device for reinforcing the wood structure node, provided by the embodiment of the invention, the mode of weakening the flange of the fixed plate is skillfully adopted, and a weak position is actively generated on the fixed plate, so that the plastic hinge is transferred from the beam-column connecting node to the weakened part of the flange of the fixed plate, and the fixed plate is damaged before wood, thereby enhancing the energy consumption capability of the whole device. Meanwhile, the fixed connection plate can shorten the net span of the beam purlin to enhance the load resisting capacity of the beam purlin. During construction, only the fixedly connected plate needs to be replaced, and the construction difficulty of the wood structure node reinforcing member is reduced. Meanwhile, the arrangement of the fixed connection plate can shorten the net span of the beam purlin, so that the load resistance of the beam purlin is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an energy-consuming panel device for reinforcing a wood structure node according to an embodiment of the present invention;
fig. 2 is a front view of the energy dissipating panel arrangement shown in fig. 1 for reinforcing a wood structure node;
fig. 3 is a side view of the energy dissipating panel arrangement shown in fig. 1 for reinforcing a wood structure node;
fig. 4 is a top view of the energy dissipating panel assembly shown in fig. 1 for reinforcing a wood structure node;
FIG. 5 is a schematic structural view of the hoop body shown in FIG. 1;
FIG. 6 is a schematic structural view of the securing plate shown in FIG. 1;
fig. 7 is a schematic view of the protective cloth shown in fig. 1.
Reference numerals:
1: a hoop body; 2: fixedly connecting a plate; 3: protective cloth; 4: a first bolt; 5: a second bolt; 11: a body portion; 12: a connecting portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An energy-consuming panel device for reinforcing a wood structure node according to an embodiment of the present invention will be described with reference to fig. 1 to 7.
As shown in fig. 1 to 4, in one embodiment of the present invention, an energy-consuming panel device for reinforcing a wood structure node includes: a hoop body 1 and a fixed plate 2. Specifically, after the beam column is riveted, the two hoop bodies 1 are respectively sleeved on the column and are respectively positioned on the upper side and the lower side of the node, and the end parts of the node are aligned. The fixed connection plate 2 is connected to both sides of the hoop body 1, and is respectively disposed on the upper and lower surfaces of the beam and connected to the beam. Further, as shown in fig. 6, each of the fixing plate members 2 is formed with a groove in the width direction to form a weak portion. Specifically, the groove is located in the middle of the fixedly connected plate 2, so that the width of the groove is narrowed, a weak position is formed, the plastic hinge is transferred from the beam-column connection node to the weakened part of the flange of the fixedly connected plate 2, the fixedly connected plate 2 is damaged before wood, and the energy consumption capacity of the whole device is enhanced.
Further, in an embodiment of the present invention, the hoop body 1 may be a hoop body formed by connecting two half hoops together, or may be a hoop body with an opening, which is sleeved on the post and then connected together to fix. Optionally, the hoop body 1 and the fixing plate 2 are both made of Q345 hot-rolled seamless steel.
According to the energy consumption plate device for reinforcing the wood structure node, provided by the embodiment of the invention, the mode of weakening the flange of the fixed plate is skillfully adopted, and a weak position is actively generated on the fixed plate, so that the plastic hinge is transferred from the beam-column connecting node to the weakened part of the flange of the fixed plate, and the fixed plate is damaged before wood, thereby enhancing the energy consumption capability of the whole device. Meanwhile, the fixed connection plate can shorten the net span of the beam purlin to enhance the load resisting capacity of the beam purlin. During construction, only the fixedly connected plate needs to be replaced, and the construction difficulty of the wood structure node reinforcing member is reduced. Meanwhile, the arrangement of the fixed connection plate can shorten the net span of the beam purlin, so that the load resistance of the beam purlin is enhanced.
As shown in fig. 5, in one embodiment of the present invention, the hoop body 1 includes a body portion 11 and two connection portions 12. Specifically, two connecting portions 12 are welded on two sides of the main body portion 11 respectively, and each connecting portion 12 is formed with a first connecting hole, the two main body portions 11 are oppositely arranged and clamped outside the column, and the first bolt 4 passes through the first connecting holes on the two oppositely arranged connecting portions 12 to connect the two main body portions 11 together, so as to sleeve the column inside the main body portion 11.
Further, in an embodiment of the present invention, optionally, the first bolt 4 is a stud bolt, and a S8.8-grade high-strength bolt is adopted.
Further, in one embodiment of the present invention, the shape of the body portion 11 matches the shape of the column, and the shape of the end surface of the one end of the fixing plate member 2 matches the shape of the body portion 11. Specifically, when the column is a circular column, the body 11 is a semicircular hoop, two ends of the semicircular hoop are respectively welded with an ear plate as the connecting part 12, the two body 11 enclose the column, and the first bolt 4 connects the two semicircular hoops into a whole through a hole on the ear plate. When the column is square, the body 11 is square, the ear plates are welded at two ends of the square, and the column is enclosed in the body 11 by connecting the ear plates.
Further, as shown in fig. 6, when the body portion 11 is a semicircular hoop, the end face of the fixed plate 2 is in a circular arc shape, and can be attached to the body portion 11 when welded to the body portion 11. In the actual processing process, the fixed plate 2 may be processed, then the end portion of the fixed plate is cut and polished to form an arc shape, and then the fixed plate 2 is welded to the body portion 11.
Further, connecting portion 12 is the trapezium structure, and interconnect's connecting portion 12 all sets up in the top of rigid coupling plate 2, also is connecting portion 12 setting in beam column handing-over department, holds as the effect of joist timber, thereby can shorten the net span of beam purlin and strengthen the load resistance of beam purlin, through improving the shearing ability of node domain rigidity in order to strengthen beam column handing-over department, can prevent simultaneously that the angle between the beam column from producing the slope.
As shown in fig. 1 and 7, in one embodiment of the present invention, the energy consuming panel arrangement for reinforcing a timber structure joint further comprises a protective cloth 3. A plurality of protective cloths 3 are symmetrically arranged on both sides of the column and are respectively wound on the fixed connection plate 2 and the beam to fix the fixed connection plate 2 and the beam. Specifically, the protective cloth 3 is a fiber reinforced resin matrix composite protective cloth, and is adhered to the fixed plate 2 and the beam by epoxy resin glue, and surrounds a circle to fix the fixed plate 2 and the beam. Further, in an embodiment of the present invention, optionally, two pieces of protective cloth 3 are respectively disposed on each side of the column to enhance the geometric stability of the whole device, improve the bearing capacity and deformability of the node, and improve the shock resistance of the reinforcement.
According to the energy consumption plate device for reinforcing the wood structure node, the plate and the beam are fixedly connected by the protective cloth, so that the node area is less damaged, and the performance of wood can be better maintained.
In one embodiment of the present invention, a second coupling hole is formed in the fixing plate 2, and a second bolt 5 passes through the second coupling hole to fix the fixing plate 2 to the beam. Further, optionally, the second bolt 5 is an S8.8-grade high-strength stud bolt.
The energy consumption plate device for reinforcing the wood structure node provided by the embodiment of the invention has the advantages that each part is independent, the construction can be customized respectively, the influence caused by the complicated reinforcing process is avoided, the assembly degree is high, the assembly is simple and convenient, the construction speed is high, the labor cost is saved, and the economic benefit is good.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An energy dissipating panel assembly for reinforcing a wood structure node, comprising:
the two hoop bodies are sleeved on the column and are respectively positioned on the upper side and the lower side of the node;
the fixed connection plates are respectively connected to two sides of each hoop body, arranged on the upper surface and the lower surface of the beam riveted with the columns and connected with the beam;
and grooves are processed on the edge of each fixed connection plate along the width direction of the fixed connection plate to form weak parts.
2. The energy dissipating panel apparatus for reinforcing a wood structure node of claim 1, wherein the hoop body comprises: the connecting parts are respectively connected with two ends of the body part, and first connecting holes are formed in the connecting parts so as to penetrate through a first bolt to connect the two oppositely arranged connecting parts and to enable the hoop body to be sleeved on the column;
wherein the fixed plate is connected to both sides of the body portion.
3. The energy dissipating plate means for reinforcing a wood structure node according to claim 2, wherein the shape of said body portion matches the shape of said post.
4. The energy dissipating plate member arrangement for reinforcing a wood structure node as recited in claim 3, wherein an end face shape of one end of each securing plate member matches a shape of the body portion.
5. The apparatus of claim 4, wherein each of the fastening plates has an end in the shape of a circular arc.
6. The energy dissipating plate device of claim 2, wherein each of the connecting portions has a trapezoidal shape, and the connecting portions are disposed above the fastening plate.
7. The energy dissipating plate assembly according to claim 1, further comprising a plurality of protective cloths symmetrically disposed on both sides of the pillar and respectively wound around the fixing plate and the beam to fix the fixing plate and the beam.
8. The energy dissipating panel apparatus for reinforcing a wood structure node as claimed in claim 7, wherein the protective cloth is a fiber reinforced resin based composite protective cloth.
9. The energy dissipating plate assembly according to claim 8, wherein the protective fabric is attached to the fastening plate and the beam by epoxy glue.
10. The apparatus of claim 1, wherein the fixing plate has a second connecting hole formed therein for fixing the fixing plate to the beam through a second bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011135405.8A CN112412088A (en) | 2020-10-21 | 2020-10-21 | Energy consumption plate device for reinforcing wood structure node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011135405.8A CN112412088A (en) | 2020-10-21 | 2020-10-21 | Energy consumption plate device for reinforcing wood structure node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112412088A true CN112412088A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011135405.8A Pending CN112412088A (en) | 2020-10-21 | 2020-10-21 | Energy consumption plate device for reinforcing wood structure node |
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| Country | Link |
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| CN (1) | CN112412088A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100877A (en) * | 2007-07-31 | 2008-01-09 | 北京工业大学 | Beam end weakened replacement type steel frame beam shock proof node |
| CN201071550Y (en) * | 2007-07-20 | 2008-06-11 | 西安建筑科技大学 | Square log skeleton tenon-and-mortise work node of carbon fiber cloth reinforced old building woodwork construction |
| CN103711226A (en) * | 2014-01-14 | 2014-04-09 | 南京林业大学 | Reinforced wood structure mortise and tenon node of semi-rigid energy consumption device |
| CN105569367A (en) * | 2015-12-16 | 2016-05-11 | 福州大学 | Reinforcement and repair method for mortise and tenon joints of beam and column of timber structure |
| CN107217866A (en) * | 2017-07-18 | 2017-09-29 | 西安建筑科技大学 | A kind of timber structure Tenon node of device shape-memory alloy wire |
| CN207176916U (en) * | 2017-06-09 | 2018-04-03 | 浙江长兴康华建筑安装工程有限公司 | A kind of steel construction central sill column node structure and the bracket for including the structure |
| CN214302985U (en) * | 2020-10-21 | 2021-09-28 | 北京工业大学 | Energy consumption plate device for reinforcing wood structure node |
-
2020
- 2020-10-21 CN CN202011135405.8A patent/CN112412088A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071550Y (en) * | 2007-07-20 | 2008-06-11 | 西安建筑科技大学 | Square log skeleton tenon-and-mortise work node of carbon fiber cloth reinforced old building woodwork construction |
| CN101100877A (en) * | 2007-07-31 | 2008-01-09 | 北京工业大学 | Beam end weakened replacement type steel frame beam shock proof node |
| CN103711226A (en) * | 2014-01-14 | 2014-04-09 | 南京林业大学 | Reinforced wood structure mortise and tenon node of semi-rigid energy consumption device |
| CN105569367A (en) * | 2015-12-16 | 2016-05-11 | 福州大学 | Reinforcement and repair method for mortise and tenon joints of beam and column of timber structure |
| CN207176916U (en) * | 2017-06-09 | 2018-04-03 | 浙江长兴康华建筑安装工程有限公司 | A kind of steel construction central sill column node structure and the bracket for including the structure |
| CN107217866A (en) * | 2017-07-18 | 2017-09-29 | 西安建筑科技大学 | A kind of timber structure Tenon node of device shape-memory alloy wire |
| CN214302985U (en) * | 2020-10-21 | 2021-09-28 | 北京工业大学 | Energy consumption plate device for reinforcing wood structure node |
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