CN114658257B - Reinforcing device and method for loose mortise and tenon joint of historic building wood structure - Google Patents
Reinforcing device and method for loose mortise and tenon joint of historic building wood structure Download PDFInfo
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- CN114658257B CN114658257B CN202210479970.9A CN202210479970A CN114658257B CN 114658257 B CN114658257 B CN 114658257B CN 202210479970 A CN202210479970 A CN 202210479970A CN 114658257 B CN114658257 B CN 114658257B
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- 239000002023 wood Substances 0.000 title claims abstract description 76
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 36
- 238000004873 anchoring Methods 0.000 claims abstract description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 239000004917 carbon fiber Substances 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 description 9
- 230000035939 shock Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
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- Electromagnetism (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a reinforcing device and a reinforcing method for a loose mortise-tenon joint of an ancient building wood structure, wherein the reinforcing device comprises a gap between mortise-tenon joints, the gap is positioned between upper and lower planes of mortise-tenon joints and mortise-tenon joints, the gap is filled by two wedge-shaped wood blocks, a column body outside the gap is wrapped by carbon fiber cloth, the upper side of a column is connected with a second member through a column connecting piece, a beam connecting piece is used for connecting the beam and the second member together, the beam and the column are vertically arranged, a rod-shaped part of the first member is inserted into an opening part of the second member, a shape memory alloy wire bypasses the upper and lower rod-shaped parts of the first member and is anchored on the upper and lower planes of one end of the second member, and the anchoring is realized through screw fastening. The invention can effectively enhance the earthquake resistance of damaged nodes and enable the reinforced nodes to have self-resetting capability.
Description
Technical Field
The invention relates to the technical field of civil engineering earthquake resistance, in particular to a reinforcing device and method for a loose mortise-tenon joint of a wooden structure of an ancient building.
Background
The ancient building timber structure building can receive dead weight, earthquake and other load effects in hundreds or even thousands of service processes, and in addition, the influence of environment and moisture content change, the tenon area of the node often produces extrusion plastic deformation and shrinkage deformation, so that gaps appear in the node, loose damage is caused to the node, and the rigidity, strength, energy consumption capacity and other anti-seismic performances of the node can not meet the anti-seismic requirement.
The damage of the ancient building wood structure node can reduce the overall stability and the safety of the structure, so that the reasonable reinforcing scheme is adopted to repair and reinforce the ancient building wood structure damaged loose mortise and tenon joint, which is beneficial to long-term preservation and scientific inheritance of the ancient building wood structure. The prior node reinforcement technology of the historic building wood structure mainly comprises reinforcement of metal connectors and reinforcement of fiber composite materials. The metal connecting piece such as tinplate, flat steel and the like is easy to generate material yield and corrosion in the use process, and the metal connecting piece can inevitably locally damage the wooden structure of the ancient building in the installation process. The fiber composite material reinforcement can improve the earthquake resistance of the nodes to a certain extent, but can limit the rotation of the nodes, the reinforcement effect is not ideal, and the fiber composite material reinforcement has certain limitation in practical engineering. The reinforcement mode is difficult to meet the reinforcement principle of minimum intervention of the wooden structure of the ancient building, so that a more reasonable reinforcement method is needed to meet the earthquake-resistant requirement.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a reinforcing device and a reinforcing method for a loose mortise-tenon joint of an ancient building wood structure, which solve the problem that the structure is locally damaged by the traditional reinforcing mode, can also effectively enhance the earthquake resistance of damaged joints, and enable the reinforced joints to have self-resetting capability.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a reinforcing apparatus for the not hard up mortise-tenon joint of ancient building timber structure, the not hard up mortise-tenon joint that is applicable to the upper portion region of tenon and has clearance 3, clearance 3 fills through two wedge wood pieces 4, the 1 body of post in the clearance 3 outside passes through carbon fiber cloth 6 parcel, the upside of post 1 passes through post connecting piece 7 and is connected with component two 11, beam connecting piece 8 links together beam 2 and component one 9, beam 2 sets up with post 1 perpendicularly, the shaft-like part of component one 9 inserts the trompil position of component two 11, shape memory alloy wire 12 bypasses the upper and lower shaft-like position of component one 9 and anchors the upper and lower plane of component two 11 one end, the anchor is realized through screw 10 fastening.
Two end surfaces of the lower part of the second component 11 are respectively provided with a row of threaded holes, the threaded holes are matched with the screws 10 to anchor the shape memory alloy wires 12, and the threaded holes are uniformly distributed on a plane.
The width of the wedge-shaped wood block 4 is consistent with the width of the mortise, the height is consistent with the height of the gap, the length of the wedge-shaped wood block is longer than the length of the tenon by more than 30%, the length direction of the wedge-shaped wood block 4 is the grain-following direction, and the wood is consistent with the wood used by the log structure.
The first member 9 is formed by welding four solid steel columns with two lengths and two shortages, the specific size of the steel columns can be determined according to engineering requirements, and the ends of the two long columns are positioned at the trisection points of the short columns.
The length and width of the second component 11 are consistent with those of the first component 9, the strip-shaped hole on the side surface of the second component 11 is positioned in the middle of the first component, the length of the strip-shaped hole is not smaller than 30% of that of the first component 9, the height of the strip-shaped hole is consistent with the diameter of a steel column at the end part of the first component 9, the lower part of the second component 11 is provided with holes for inserting the first component 9 into two long rods, the diameter of the holes is consistent with that of the long column of the first component 9, two end surfaces of the lower part of the second component 11 are respectively provided with a row of threaded holes, the threaded holes are uniformly distributed on a plane and matched with screws 10 for anchoring shape memory alloy wires 12, and the upper part of the second component 11 is provided with holes and matched with a bolt 13 to realize hinging with a column connecting piece 7.
The column connector 7 is hinged to the column 1 and the second member 11 by means of a latch structure 13.
The application method of the reinforcing device for the loose mortise and tenon joint of the wooden structure of the ancient building comprises the following steps of;
1) Cleaning up the upper and lower planes of the tenons and mortise openings at the gap 3 and polishing the upper and lower planes to be smooth;
2) Processing two wedge-shaped wood blocks 4 with the same size, wherein the width of the wedge-shaped wood blocks 4 is consistent with the width of a mortise opening, the height of the wedge-shaped wood blocks is consistent with the height of a gap, the length of the wedge-shaped wood blocks is longer than the length of the gap by more than 30%, the length direction of the wedge-shaped wood blocks 4 is along the grain direction, and the wood is consistent with the wood used by a log structure;
3) Uniformly coating white latex on the contact surface between the two wedge-shaped wood blocks 4, and then respectively and vertically staggering the two wedge-shaped wood blocks 4 from the two sides of the gap 3 to be in place;
4) Applying pressure on the length direction of the wedge-shaped wood blocks 4 by using a clamp, and gradually filling the gaps 3 by the two wedge-shaped wood blocks 4 along with the application of the pressure until the wood blocks are tightly pressed with the tenons and the mortise openings;
5) And (5) waiting for more than 8 hours, and disassembling the clamp after the white latex is solidified. Then sawing off the superfluous part 5 of the wedge-shaped wood block along the surface of the wood column 1;
6) The carbon fiber cloth 6 is wrapped at the position of the wood filling by matching with the epoxy resin adhesive, and the wrapping area is covered with the height of the wood filling;
7) Placing the column connecting piece 7 and the beam connecting piece 8 at a designated position, and then fastening the bolts 14, wherein the distances between the column connecting piece 7 and the beam connecting piece 8 and the node are consistent, so that the included angle between the device main body and the beams 2 and the columns 1 is 45 degrees;
8) Mounting the first member 9, the second member 11, the beam connecting piece 8 and the column connecting piece 7 in place in a field assembly mode;
the shape memory alloy wire 12 is passed around the rod-shaped portion of one end of the first member 9, and then both ends of the shape memory alloy wire 12 are anchored at the designated positions of the second member 11.
The anchoring realization method comprises the following steps: when the shape memory alloy wire 12 is wound on the screw 10 and then the screw 10 is fastened, and the shape memory alloy wire 12 is anchored, the anchoring point is located in the middle of the first member 9, so that the lengths of the alloy wires of the upper part and the lower part are consistent. The upper end of the first member 9 is positioned in the middle of the side strip-shaped hole of the second member 11, the length of the side strip-shaped hole of the second member 11 is not less than 30% of the length of the first member 9, and the anchored shape memory alloy wire 12 is kept tight, so that the shape memory alloy wire has a certain initial strain pretightening force, and the mechanical property of the shape memory alloy wire is prevented from being degraded due to the initial strain, so that the node has a certain initial rotation rigidity, and the reinforcing device can play a role under the small shock effect.
The invention has the beneficial effects that:
the reinforced node has good self-resetting performance by utilizing the super-elastic deformation of the shape memory alloy wires, and the shock absorption effect is achieved. The reinforcing effect of the node is adjustable and controllable by adjusting the size, the number and the initial strain of the shape memory alloy wires, so that the reinforcing requirement of damaged nodes under different earthquake actions is met.
The components can be detached and replaced, and the design is reasonable, so that the device can be maintained and adjusted in later period.
Through reasonable design, the damage of the shape memory alloy wire to the beam, the column and other components can be guaranteed to be firstly avoided, and the damage to the components or the structure can be reduced. Even after the shape memory alloy wire is damaged as a first shock absorption line, the wooden wedge and the carbon fiber cloth can also serve as a second shock absorption line, so that the dual advantages of shock absorption and shock resistance are exerted, the safety of the structure is fully ensured, and in addition, the reinforcing device is easy to overhaul and replace, and the maintenance cost of the wooden structure of the ancient building can be reduced.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention.
Fig. 2 is a front view and a side view of the main structure of the present invention.
Fig. 3 is a front view and a side view of a first member.
Fig. 4 is a front view and a side view of the second member.
FIG. 5 is a schematic illustration of a shape memory alloy wire anchoring method.
Reference numerals: 1 is a wood column; 2 is a wood beam; 3 is a gap; 4 is a wedge-shaped wood block; 5 is the redundant part of the wedge-shaped wood block; 6 is carbon fiber cloth; 7 is a column connector; 8 is a beam connector; 9 is a first component; 10 is a screw; 11 is a second component; 12 is a shape memory alloy wire; 13 and 14 are bolt structures; 15 are bolt fasteners.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in figures 1-4, the reinforcing device for the loose mortise-tenon joint of the wooden structure of the ancient building comprises a gap 3 between mortise-tenon joints, wherein the gap 3 is positioned between the tenon joint and the upper and lower planes of mortise-tenon joints, the gap 3 is filled by two wedge-shaped wood blocks 4, a column 1 body outside the gap 3 is wrapped by carbon fiber cloth 6, the upper side of the column 1 is connected with a second component 11 through a column connecting piece 7, a beam connecting piece 8 connects a beam 2 with a first component 9 together, the beam 2 is vertically arranged with the column 1, a rod-shaped part of the first component 9 is inserted into an opening part of the second component 11, a shape memory alloy wire 12 bypasses the upper and lower rod-shaped parts of the first component 9 and is anchored on the upper and lower planes of one end of the second component 11, and the anchoring is realized through fastening of a screw 10.
Two end surfaces of the lower part of the second component 11 are respectively provided with a row of threaded holes, the threaded holes are matched with the screws 10 to anchor the shape memory alloy wires 12, and the threaded holes are uniformly distributed on a plane. See in particular figure 5.
The width of the wedge-shaped wood block 4 is consistent with the width of the mortise, the height is consistent with the height of the gap, the length of the wedge-shaped wood block is longer than the length of the tenon by more than 30%, the length direction of the wedge-shaped wood block 4 is the grain-following direction, and the wood is consistent with the wood used by the log structure.
The first member 9 is formed by welding four solid steel columns with two lengths and two shortages, the specific size of the steel columns can be determined according to engineering requirements, and the ends of the two long columns are positioned at the trisection points of the short columns.
The length and width of the second component 11 are consistent with those of the first component 9, the strip-shaped hole on the side surface of the second component 11 is positioned in the middle of the first component, the length of the strip-shaped hole is not smaller than 30% of that of the first component 9, the height of the strip-shaped hole is consistent with the diameter of a steel column at the end part of the first component 9, the lower part of the second component 11 is provided with holes for inserting the first component 9 into two long rods, the diameter of the holes is consistent with that of the long column of the first component 9, two end surfaces of the lower part of the second component 11 are respectively provided with a row of threaded holes, the threaded holes are uniformly distributed on a plane and matched with screws 10 for anchoring shape memory alloy wires 12, and the upper part of the second component 11 is provided with holes and matched with a bolt 13 to realize hinging with a column connecting piece 7.
The column connector 7 is hinged to the column 1 and the second member 11 by means of a latch structure 13.
The application method of the reinforcing device for the loose mortise and tenon joint of the wooden structure of the ancient building comprises the following steps of;
1) Cleaning up the upper and lower planes of the tenons and mortise openings at the gap 3 and polishing the upper and lower planes to be smooth;
2) Processing two wedge-shaped wood blocks 4 with the same size, wherein the width of the wedge-shaped wood blocks 4 is consistent with the width of a mortise opening, the height of the wedge-shaped wood blocks is consistent with the height of a gap, the length of the wedge-shaped wood blocks is longer than the length of the gap by more than 30%, the length direction of the wedge-shaped wood blocks 4 is along the grain direction, and the wood is consistent with the wood used by a log structure;
3) Uniformly coating white latex on the contact surface between the two wedge-shaped wood blocks 4, and then respectively and vertically staggering the two wedge-shaped wood blocks 4 from the two sides of the gap 3 to be in place;
4) Applying pressure on the length direction of the wedge-shaped wood blocks 4 by using a clamp, and gradually filling the gaps 3 by the two wedge-shaped wood blocks 4 along with the application of the pressure until the wood blocks are tightly pressed with the tenons and the mortise openings;
5) And (5) waiting for more than 8 hours, and disassembling the clamp after the white latex is solidified. Then sawing off the superfluous part 5 of the wedge-shaped wood block along the surface of the wood column 1;
6) The carbon fiber cloth 6 is wrapped at the position of the wood filling by matching with the epoxy resin adhesive, and the wrapping area is covered with the height of the wood filling;
7) Placing the column connecting piece 7 and the beam connecting piece 8 at a designated position, and then fastening the bolts 14, wherein the distances between the column connecting piece 7 and the beam connecting piece 8 and the node are consistent, so that the included angle between the device main body and the beams 2 and the columns 1 is 45 degrees;
8) Mounting the first member 9, the second member 12, the beam connecting piece 8 and the column connecting piece 7 in place by means of field assembly;
the shape memory alloy wire 12 is passed around the rod-shaped portion of one end of the first member 9, and then both ends of the shape memory alloy wire 12 are anchored at the designated positions of the second member 12.
The anchoring realization method comprises the following steps: when the shape memory alloy wire 12 is wound on the screw 10 and then the screw 10 is fastened, and the shape memory alloy wire 12 is anchored, the anchoring point is located in the middle of the first member 9, so that the lengths of the alloy wires of the upper part and the lower part are consistent. The upper end of the first member 9 is positioned in the middle of the side strip-shaped hole of the second member 12, the length of the side strip-shaped hole of the second member 12 is not less than 30% of the length of the first member 9, and the anchored shape memory alloy wire 12 is kept tight, so that the shape memory alloy wire has a certain initial strain pretightening force, and the mechanical property of the shape memory alloy wire is prevented from being degraded due to the initial strain, so that the node has a certain initial rotation rigidity, and the reinforcing device can play a role under the small shock effect.
Claims (5)
1. The utility model provides a reinforcing apparatus for not hard up mortise and tenon node of ancient building timber structure, its characterized in that, including being located clearance (3) between mortise and tenon, clearance (3) are located between tenon and mortise upper and lower plane, clearance (3) are filled through two wedge wood pieces (4), post (1) body outside clearance (3) is wrapped up through carbon fiber cloth (6), the upside of post (1) is connected with component two (11) through post connecting piece (7), roof beam connecting piece (8) links together roof beam (2) and component one (9), roof beam (2) and post (1) perpendicular setting, component one (9) are two long two short four solid steel columns welded, and the concrete size of steel column is determined according to the engineering needs, and two long post tip are located the trisection department of short post;
the length and the width of the second component (11) are consistent with those of the first component (9), the strip-shaped hole on the side surface of the second component (11) is positioned in the middle of the first component (9), the length of the strip-shaped hole is not less than 30% of that of the first component (9), the height of the strip-shaped hole is consistent with that of a steel column at the end part of the first component (9), the two ends of a short column at the upper end of the first component (9) are positioned in the middle of the strip-shaped hole on the side surface of the second component (11), the lower part of the second component (11) is provided with holes for inserting the two long columns of the first component (9), the diameters of the holes of the lower part of the second component (11) are consistent with that of the long columns of the first component (9), a row of threaded holes are respectively arranged on two end surfaces of the lower part of the second component (11), the threaded holes are uniformly distributed on a plane, the upper part of the second component (11) is provided with holes, and the bolt (13) is matched for realizing hinging with a column connecting piece (7);
the shape memory alloy wire (12) bypasses the upper short column part and the lower short column part of the first component (9) and is anchored on the upper plane and the lower plane of the lower end of the second component (11), the anchoring is realized through the fastening of the screw (10), the shape memory alloy wire (12) is anchored in a manner that the shape memory alloy wire (12) is wound on the screw (10), then the screw (10) is fastened, and when the shape memory alloy wire (12) is anchored, the anchoring point is positioned in the middle of the first component (9).
2. The reinforcing device for the loose mortise and tenon joint of the wooden structure of the ancient building according to claim 1, wherein the width of the wedge-shaped wooden block (4) is consistent with the width of the mortise opening, the height of the wedge-shaped wooden block is consistent with the height of the gap, the length of the wedge-shaped wooden block is longer than the length of the tenon by more than 30%, the length direction of the wedge-shaped wooden block (4) is the smooth line direction, and the wood of the wedge-shaped wooden block (4) is consistent with the wood used by the log structure.
3. The reinforcing device for a loose mortise and tenon joint of a wooden structure of an ancient building according to claim 1, wherein the column connecting piece (7) is hinged with the column (1) and the component two (11) through bolts (13) respectively.
4. A method of using a reinforcing apparatus for a loose mortise and tenon joint of a wooden structure of an ancient building, based on any one of claims 1 to 3, comprising the steps of;
1) Cleaning up the upper and lower planes of the tenons and mortise openings at the gap (3) and polishing the tenons and mortise openings to be smooth;
2) Processing two wedge-shaped wood blocks (4) with the same size, wherein the width of the wedge-shaped wood blocks (4) is consistent with the width of a mortise, the height of the wedge-shaped wood blocks is consistent with the height of a gap, and the length of the wedge-shaped wood blocks is more than 30% longer than the length of the gap, the length direction of the wedge-shaped wood blocks (4) is in the smooth grain direction, and the wood of the wedge-shaped wood blocks (4) is consistent with the wood used by a log structure;
3) Uniformly coating white latex on the contact surface between the two wedge-shaped wood blocks (4), and then respectively and vertically staggering the two wedge-shaped wood blocks (4) from two sides of the gap (3) to be in place;
4) Applying pressure to the length direction of the wedge-shaped wood blocks (4) by using a clamp, and gradually filling the gaps (3) along with the application of the pressure until the wood blocks are tightly pressed with the tenons and the mortise openings;
5) After the white latex is solidified, the clamp is disassembled after the white latex is solidified for more than 8 hours, and then the redundant part (5) of the wedge-shaped wood block is sawn off along the surface of the wood column (1);
6) The carbon fiber cloth (6) is wrapped at the position of the wood filling by matching with the epoxy resin adhesive, and the wrapping area covers the height of the wood filling;
7) Placing the column connecting piece (7) and the beam connecting piece (8) to a designated position, and then fastening bolts (14) of the column connecting piece (7) and the beam connecting piece (8), wherein the distances between the column connecting piece (7) and the beam connecting piece (8) and the nodes are consistent, so that an included angle between the device main body and the beams (2) and the column (1) is 45 degrees;
8) Installing the first component (9), the second component (11), the beam connecting piece (8) and the column connecting piece (7) in place in a field assembly mode;
the shape memory alloy wire (12) is wound around the upper and lower short column parts of the first component (9), and then two ends of the shape memory alloy wire (12) are anchored at the appointed position of the second component (11).
5. The method for using the reinforcing device for the loose mortise and tenon joint of the wooden structure of the ancient building according to claim 4, wherein the anchoring implementation method is as follows: the shape memory alloy wire (12) is wound on the screw (10), then the screw (10) is fastened, when the shape memory alloy wire (12) is anchored, the anchoring point is positioned in the middle of the first component (9), so that the lengths of the alloy wires at the upper part and the lower part are consistent, the upper end of the first component (9) is positioned in the middle of the strip-shaped hole at the side surface of the second component (11), the length of the strip-shaped hole at the side surface of the second component (11) is not less than 30% of the length of the first component (9), and the anchored shape memory alloy wire (12) is kept tight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479970.9A CN114658257B (en) | 2022-05-05 | 2022-05-05 | Reinforcing device and method for loose mortise and tenon joint of historic building wood structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479970.9A CN114658257B (en) | 2022-05-05 | 2022-05-05 | Reinforcing device and method for loose mortise and tenon joint of historic building wood structure |
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| Publication Number | Publication Date |
|---|---|
| CN114658257A CN114658257A (en) | 2022-06-24 |
| CN114658257B true CN114658257B (en) | 2023-10-31 |
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| CN202210479970.9A Active CN114658257B (en) | 2022-05-05 | 2022-05-05 | Reinforcing device and method for loose mortise and tenon joint of historic building wood structure |
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| CN115162517B (en) * | 2022-09-08 | 2022-12-02 | 中冶建筑研究总院有限公司 | Rust damage steel structure beam column node anticorrosion reinforcing apparatus, rust damage steel structure beam column node |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001123673A (en) * | 1999-10-27 | 2001-05-08 | Takeshi Ariyoshi | Seismic reinforcing method for building and reinforcing apparatus used therefor |
| CN205742590U (en) * | 2016-07-04 | 2016-11-30 | 华东交通大学 | A kind of novel civil engineering antivibrator based on SMA alloy silk |
| 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 |
| CN207453512U (en) * | 2017-05-09 | 2018-06-05 | 西安建筑科技大学 | The big gallows timber Tenon node of ancient building that a kind of variation rigidity re-centring damper is reinforced |
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2022
- 2022-05-05 CN CN202210479970.9A patent/CN114658257B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001123673A (en) * | 1999-10-27 | 2001-05-08 | Takeshi Ariyoshi | Seismic reinforcing method for building and reinforcing apparatus used therefor |
| CN205742590U (en) * | 2016-07-04 | 2016-11-30 | 华东交通大学 | A kind of novel civil engineering antivibrator based on SMA alloy silk |
| CN207453512U (en) * | 2017-05-09 | 2018-06-05 | 西安建筑科技大学 | The big gallows timber Tenon node of ancient building that a kind of variation rigidity re-centring damper is reinforced |
| 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 |
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