CN114658257A - Reinforcing device and method for loose mortise and tenon joints of historic building timber structure - Google Patents
Reinforcing device and method for loose mortise and tenon joints of historic building timber structure Download PDFInfo
- Publication number
- CN114658257A CN114658257A CN202210479970.9A CN202210479970A CN114658257A CN 114658257 A CN114658257 A CN 114658257A CN 202210479970 A CN202210479970 A CN 202210479970A CN 114658257 A CN114658257 A CN 114658257A
- Authority
- CN
- China
- Prior art keywords
- component
- mortise
- wedge
- column
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002023 wood Substances 0.000 claims abstract description 68
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 33
- 238000004873 anchoring Methods 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 8
- 239000004917 carbon fiber Substances 0.000 claims abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 239000004816 latex Substances 0.000 claims description 6
- 229920000126 latex Polymers 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004140 cleaning 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
- 238000003466 welding Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000005028 tinplate Substances 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
-
- 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
-
- 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
Landscapes
- 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)
- Physics & Mathematics (AREA)
- 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 loosening mortise and tenon joints of a timber structure of an ancient building, wherein the reinforcing device comprises a gap between mortise and tenon joints, the gap is positioned between a tenon and an upper plane and a lower plane of a mortise opening, 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 component through a column connecting piece, the beam and the component are connected together through the beam connecting piece, the beam and the column are vertically arranged, a rod-shaped part of the first component is inserted into an opening part of the second component, a shape memory alloy wire bypasses the upper rod-shaped part and the lower rod-shaped part of the first component and is anchored on the upper plane and the lower plane of the second component, and the anchoring is realized through screw fastening. The invention can effectively enhance the anti-seismic performance of the damaged node and enable the reinforced node to have the 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 an ancient building timber structure loose mortise and tenon joint.
Background
The timber structure building of ancient building can receive load effects such as dead weight, earthquake at several hundred or even thousands of service in-process, including the influence that environment and moisture content change, the tenon region of node often can produce extrusion plastic deformation and shrinkage deformation for the clearance appears in the node, thereby causes the not hard up damage of node, leads to seismic performance such as rigidity, intensity, power consumption ability of node no longer to satisfy the antidetonation requirement.
The damage of ancient building timber structure node can reduce the overall stability and the security of structure, consequently, adopt reasonable reinforcement scheme to repair the not hard up mortise and tenon joint of ancient building timber structure and consolidate significantly, this is favorable to ancient building timber structure's long-term preservation and scientific inheritance. The existing joint reinforcing technology of the historic building wood structure mainly comprises metal connecting piece reinforcing and fiber composite material reinforcing. Metal connecting pieces such as tinplate, flat steel and the like are easy to yield and corrode during use, and damage to the historic building wood structure is inevitably generated locally during installation. The fiber composite material reinforcement can improve the anti-seismic performance of the node to a certain degree, but can limit the rotation of the node, the reinforcement effect is not ideal, and the fiber composite material reinforcement has certain limitation in actual engineering. The reinforcing principle of minimum intervention of the historic building timber structure is difficult to satisfy by the reinforcing mode, so a more reasonable reinforcing method is needed to satisfy the earthquake-resistant requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a reinforcing device and a reinforcing method for the loosened mortise-tenon joint of the timber structure of the historic building, which solve the problem that the joint structure is locally damaged in the traditional reinforcing mode, effectively enhance the anti-seismic performance of the damaged joint and enable the reinforced joint to have the self-resetting capability.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a reinforcing apparatus for be used for ancient building timber structure not hard up mortise and tenon joint, the regional not hard up mortise and tenon joint that has clearance 3 that exists that is applicable to the upper portion of tenon, clearance 3 fills up through two wedge-shaped wood pieces 4, 1 body of post in the clearance 3 outside is through 6 parcels of carbon cloth, the upside of post 1 is passed through post connecting piece 7 and is connected with component two 11, beam connecting piece 8 is connected to roof beam 2 and component one 9 together, roof beam 2 sets up with 1 is perpendicular to post, the trompil position of component two 11 is inserted to the shaft-like part of component one 9, shape memory alloy silk 12 walks around the upper and lower shaft-like position of component one 9 and anchors in the upper and lower plane of component two 11 one end, the anchor is realized through the fastening of screw 10.
Two end faces of the lower part of the second component 11 are respectively provided with a row of threaded holes, the matched screws 10 are used for anchoring 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 a mortise opening, the height of the wedge-shaped wood block is consistent with the height of a gap, the length of the wedge-shaped wood block 4 is more than 30% longer than the length of a tenon, the length direction of the wedge-shaped wood block 4 is a longitudinal grain direction, and the wood is consistent with the wood used by a log structure.
The first component 9 is formed by welding four solid steel columns with two long columns and two short columns, the specific size of each steel column can be determined according to engineering requirements, and the end parts of the two long columns are located at three points of the short columns.
The length and the width of the second component 11 should be consistent with those of the first component 9, the strip-shaped hole in the side face of the second component 11 is located in the center of the component, the length of the strip-shaped hole should not be less than 30% of that of the first component 9, the height of the strip-shaped hole is consistent with that of the steel column at the end part of the first component 9, holes in the lower part of the second component 11 are used for penetrating two long rods of the first component 9, the hole diameter is consistent with that of the long column of the first component 9, a row of threaded holes are respectively formed in two end faces of the lower part of the second component 11, the threaded holes are uniformly distributed on a plane in a matched mode through screws 10, holes in the upper part of the second component 11 are formed, and the hinged connection with the column connecting piece 7 is achieved through matched through bolts 13.
The column connecting piece 7 is hinged with the second member 11 and the column 1 respectively through a bolt structure 13.
A use method of a reinforcing device for an ancient building timber structure loose mortise and tenon joint comprises the following steps;
1) cleaning the upper and lower planes of the tenon and mortise at the gap 3, and polishing and flattening;
2) processing two wedge-shaped wood blocks 4 with the same size, wherein the width of each wedge-shaped wood block 4 is consistent with the width of a mortise opening, the height of each wedge-shaped wood block 4 is consistent with the height of a gap, the length of each wedge-shaped wood block is more than 30% longer than the length of the gap, the length direction of each wedge-shaped wood block 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 placing the two wedge-shaped wood blocks 4 in place from the two sides of the gap 3 in an up-and-down staggered manner respectively;
4) applying pressure to the wedge-shaped wood blocks 4 by using a clamp, wherein the two wedge-shaped wood blocks 4 can gradually fill the gap 3 along with the application of the pressure until the wood blocks are tightly extruded with the tenon and the mortise;
5) and (5) waiting for more than 8 hours, and detaching the clamp after the white latex is solidified. Then sawing off the redundant 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 filler by matching with an epoxy resin adhesive, and the wrapping area is covered by the filler height;
7) placing the column connecting piece 7 and the beam connecting piece 8 at the designated positions and then fastening the bolts 14, wherein the distances between the column connecting piece 7 and the beam connecting piece 8 and the nodes are consistent, so that the main body of the device forms 45-degree included angles with the beam 2 and the column 1;
8) installing 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 wound around the rod-shaped portion at one end of the first member 9, and then both ends of the shape memory alloy wire 12 are anchored at the prescribed positions of the second member 11.
The anchoring implementation method comprises the following steps: and winding the shape memory alloy wire 12 on the screw 10, then fastening the screw 10, and when anchoring the shape memory alloy wire 12, positioning the anchoring point at the middle part of the first component 9 so as to enable the lengths of the upper part alloy wire and the lower part alloy wire to be consistent. The upper end of the first member 9 is positioned in the middle of the strip-shaped hole on the side surface of the second member 11, the length of the strip-shaped hole on the side surface of the second member 11 is not less than 30% of the length of the first member 9, the anchored shape memory alloy wire 12 is kept tight, so that the shape memory alloy wire has a certain initial strain pretightening force, the mechanical property degradation of the shape memory alloy wire caused by the initial strain is prevented, the purpose is that the node has a certain initial rotational rigidity, and the reinforcing device can play a role under the action of small shock.
The invention has the beneficial effects that:
by utilizing the superelasticity deformation of the shape memory alloy wire, the reinforced node has good self-resetting performance, and the shock absorption effect is achieved. The reinforcement 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 reinforcement requirements of the damaged node under different earthquake actions are met.
Each part is detachable and replaceable, and the design is reasonable, so that the device is convenient to maintain and adjust in the later period.
Through reasonable design, the shape memory alloy wires can be guaranteed to be damaged before the beams, the columns and other components, so that damage to the components or the structure is reduced. Even shape memory alloy silk takes place to destroy as first shock attenuation defence line after, wooden wedge and carbon fiber cloth also can act as the second and say the antidetonation defence line, have played shock attenuation and antidetonation dual advantage, the abundant security of having guaranteed the structure, in addition, this reinforcing apparatus is easily overhauld and is changed, can reduce the maintenance cost of ancient building timber structure.
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 view of a method for anchoring a shape memory alloy wire.
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 connecting piece; 8 is a beam connecting piece; 9 is a component I; 10 is a screw; 11 is a second component; 12 is a shape memory alloy wire; 13 and 14 are plug pin structures; and 15 is a bolt fastener.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, a reinforcing device for an ancient building timber structure loose tenon-and-mortise joint comprises a gap 3 located between tenon-and-mortise joints, wherein the gap 3 is located between the upper plane and the lower plane of a tenon and a mortise opening, 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 perpendicular to 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 rod-shaped part and the lower rod-shaped part of the first component 9 and is anchored on the upper plane and the lower plane of one end of the second component 11, and anchoring is realized through fastening of a screw 10.
Two end faces of the lower part of the second component 11 are respectively provided with a row of threaded holes, the matched screws 10 are used for anchoring the shape memory alloy wires 12, and the threaded holes are uniformly distributed on a plane. See in particular fig. 5.
The width of the wedge-shaped wood block 4 is consistent with the width of a mortise opening, the height of the wedge-shaped wood block is consistent with the height of a gap, the length of the wedge-shaped wood block 4 is more than 30% longer than the length of a tenon, the length direction of the wedge-shaped wood block 4 is a longitudinal grain direction, and the wood is consistent with the wood used by a log structure.
The first component 9 is formed by welding four solid steel columns with two long columns and two short columns, the specific size of each steel column can be determined according to engineering requirements, and the end parts of the two long columns are located at three points of the short columns.
The length and the width of the second component 11 should be consistent with those of the first component 9, the strip-shaped hole in the side face of the second component 11 is located in the center of the component, the length of the strip-shaped hole should not be less than 30% of that of the first component 9, the height of the strip-shaped hole is consistent with that of the steel column at the end part of the first component 9, holes in the lower part of the second component 11 are used for penetrating two long rods of the first component 9, the hole diameter is consistent with that of the long column of the first component 9, a row of threaded holes are respectively formed in two end faces of the lower part of the second component 11, the threaded holes are uniformly distributed on a plane in a matched mode through screws 10, holes in the upper part of the second component 11 are formed, and the hinged connection with the column connecting piece 7 is achieved through matched through bolts 13.
The column connecting piece 7 is hinged with the second member 11 and the column 1 respectively through a bolt structure 13.
A use method of a reinforcing device for an ancient building timber structure loose mortise and tenon joint comprises the following steps;
1) cleaning the upper and lower planes of the tenon and mortise at the gap 3, and polishing and flattening;
2) processing two wedge-shaped wood blocks 4 with the same size, wherein the width of each wedge-shaped wood block 4 is consistent with the width of a mortise opening, the height of each wedge-shaped wood block 4 is consistent with the height of a gap, the length of each wedge-shaped wood block is more than 30% longer than the length of the gap, the length direction of each wedge-shaped wood block 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 placing the two wedge-shaped wood blocks 4 in place from the two sides of the gap 3 in an up-and-down staggered manner respectively;
4) applying pressure to the wedge-shaped wood blocks 4 by using a clamp, wherein the two wedge-shaped wood blocks 4 can gradually fill the gap 3 along with the application of the pressure until the wood blocks are tightly extruded with the tenon and the mortise;
5) and (5) waiting for more than 8 hours, and detaching the clamp after the white latex is solidified. Then sawing off the redundant 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 filler by matching with an epoxy resin adhesive, and the wrapping area is covered by the filler height;
7) placing the column connecting piece 7 and the beam connecting piece 8 at the designated positions and then fastening the bolts 14, wherein the distances between the column connecting piece 7 and the beam connecting piece 8 and the nodes are consistent, so that the main body of the device forms 45-degree included angles with the beam 2 and the column 1;
8) installing the first member 9, the second member 12, 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 rod portion at 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 implementation method comprises the following steps: and winding the shape memory alloy wire 12 on the screw 10, then fastening the screw 10, and when anchoring the shape memory alloy wire 12, positioning the anchoring point at the middle part of the first component 9 so as to enable the lengths of the upper part alloy wire and the lower part alloy wire to be consistent. The upper end of the first member 9 is positioned in the middle of the strip-shaped hole on the side surface of the second member 12, the length of the strip-shaped hole on the side surface of the second member 12 is not less than 30% of the length of the first member 9, the anchored shape memory alloy wire 12 is kept tight, so that the shape memory alloy wire has a certain initial strain pretightening force, the mechanical property degradation of the shape memory alloy wire caused by the initial strain is prevented, the purpose is that the node has a certain initial rotational rigidity, and the reinforcing device can play a role under the action of small shock.
Claims (8)
1. A reinforcing device for an ancient building timber structure loose mortise and tenon joint is characterized by comprising gaps (3) positioned among mortise and tenon joints, wherein the gaps (3) are positioned between the tenon and the upper and lower planes of mortise openings, the gap (3) is filled by two wedge-shaped wood blocks (4), a column (1) on the outer side of 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 the first component (9) together, the beam (2) and the column (1) are arranged vertically, a rod-shaped part of the first component (9) is inserted into an opening part of the second component (11), shape memory alloy wires (12) are wound around upper and lower rod-shaped parts of the first component (9) and anchored on upper and lower planes at one end of the second component (11), and anchoring is realized through fastening of screws (10).
2. The reinforcing device for the loose mortise and tenon joints of the timber structure of the ancient building according to claim 1, wherein a row of threaded holes are respectively formed in two end faces of the lower part of the second member (11), and the matched screws (10) are used for anchoring the shape memory alloy wires (12), and the threaded holes are uniformly distributed on a plane.
3. The reinforcing device for the loose mortise and tenon joints of the timber structure of the ancient building according to claim 1, wherein the wedge-shaped wood blocks (4) have the width consistent with the width of the mortise opening, the height consistent with the height of the gap, and the length longer than the length of the tenon 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 the timber structure.
4. The reinforcing device for the loose mortise and tenon joints of the historic building timber structure according to claim 1, wherein the first member (9) is formed by welding four solid steel columns which are two long columns and two short columns, the specific size of each steel column can be determined according to engineering requirements, and the end parts of the two long columns are positioned at the three-branch points of the short columns.
5. The reinforcing device for the loose mortise and tenon joints of the historic building timber structure according to claim 1, it is characterized in that the length and the width of the second member (11) are consistent with those of the first member (9), the strip-shaped hole on the side surface of the second member (11) is positioned in the center of the second member, bar hole length should not be less than 30% member (9) length, highly unanimous with member (9) tip steel column diameter, member two (11) lower part trompil is used for the interlude of two stock of member (9), hole diameter is unanimous with member (9) long post diameter, set up one row of screw hole on the both ends face of member two (11) lower part respectively, cooperation screw (10) are used for anchor shape memory alloy silk (12), screw hole evenly distributed is on the plane, member two (11) upper portion trompil, cooperation bolt (13) realize with the articulated of column connection spare (7).
6. The reinforcing device for the loose mortise and tenon joints of the historic building timber structure according to claim 1, wherein the column connecting piece (7) is hinged with the second component (11) and the column (1) through a bolt structure (13).
7. The use method of the reinforcing device for the loose mortise and tenon joints of the historic building timber structure based on any one of claims 1 to 6 is characterized by comprising the following steps;
1) cleaning the upper and lower planes of the tenon and mortise at the gap (3) and polishing to be smooth;
2) processing two wedge-shaped wood blocks (4) with the same size, wherein the width of each wedge-shaped wood block (4) is consistent with the width of a mortise opening, the height of each wedge-shaped wood block is consistent with the height of a gap, the length of each wedge-shaped wood block is more than 30% longer than the length of the gap, the length direction of each wedge-shaped wood block (4) is in the direction along the grain, and the wood is consistent with the wood used by a log structure;
3) white latex is uniformly coated on the contact surface between the two wedge-shaped wood blocks (4), and then the two wedge-shaped wood blocks (4) are respectively placed in place from the two sides of the gap (3) in a vertically staggered manner;
4) applying pressure to the wedge-shaped wood blocks (4) in the length direction by using a clamp, wherein the two wedge-shaped wood blocks (4) can gradually fill the gap (3) along with the application of the pressure until the wood blocks, the tenon and the mortise are extruded and compacted;
5) waiting for more than 8 hours, after the white latex is solidified, disassembling the clamp, and then sawing off the redundant 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 filler by matching with an epoxy resin adhesive, and the wrapping area is covered by the filler height;
7) placing the column connecting piece (7) and the beam connecting piece (8) at specified positions and then fastening the bolts (14), wherein the distances between the column connecting piece (7) and the beam connecting piece (8) and a node are consistent, so that the main body of the device, the beam (2) and the column (1) form an included angle of 45 degrees;
8) installing 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 wound around the rod-shaped part at 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).
8. The use method of the reinforcing device for the loose mortise and tenon joints of the historic building timber structure according to claim 7 is characterized in that the anchoring implementation method comprises the following steps: 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 upper part alloy wire and the lower part alloy wire are consistent, the upper end of the first component (9) is positioned in the middle of the strip-shaped hole in the side surface of the second component (11), the length of the strip-shaped hole in 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114658257A true CN114658257A (en) | 2022-06-24 |
| CN114658257B CN114658257B (en) | 2023-10-31 |
Family
ID=82036672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114658257B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162517A (en) * | 2022-09-08 | 2022-10-11 | 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 |
-
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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162517A (en) * | 2022-09-08 | 2022-10-11 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114658257B (en) | 2023-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108843037B (en) | Construction method of prestressed fiber cloth reinforced beam tensioning and anchoring device | |
| CN107268891B (en) | Adjustable prestressed laminated wood beam string continuous beam | |
| CN109914601B (en) | Replaceable energy-consumption wood structure beam-column joint | |
| CN207079491U (en) | A kind of anti-bend reinforced device of bridge prestress high-strength steel cord | |
| CN114658257A (en) | Reinforcing device and method for loose mortise and tenon joints of historic building timber structure | |
| CN103291082A (en) | Wood beam reinforcing body external pre-stress construction method | |
| CN113323149A (en) | Laminated wood prestressed casing bolt joint and construction method thereof | |
| CN1512018A (en) | Prestress combined beam, continuous prestress combined beam structure and producing connection method | |
| CN210421988U (en) | Hidden reinforcing and damping energy dissipation device suitable for wood structure side-span mortise-tenon joint | |
| CN105386612A (en) | Reinforcement and repair device for mortise-tenon joints of beams and columns of timber structure | |
| CN112392288A (en) | Device and method for reinforcing wood beam by combining prestressed FRP (fiber reinforced Plastic) and high-strength steel wire rope | |
| CN215889446U (en) | Ancient building timber structure tenon fourth of twelve earthly branches node reinforced structure | |
| CN103397702B (en) | A kind of composite material connection jiont for net frame point and method | |
| CN208702437U (en) | A kind of anchor structure, connection anchor structure and outer anchoring system | |
| CN104806031A (en) | Wood structure reinforcement construction method | |
| Yang et al. | Pull-out behaviour of axially loaded screwed-in threaded rods embedded in CLT elements: Experimental study | |
| CN110863567A (en) | Can regulate and control prestressing force steel filling plate bolted connection beam column device | |
| CN115404988B (en) | Connecting node structure of arc-shaped end of laminated wood beam column and design method thereof | |
| CN105735666B (en) | A kind of method of rapid reinforcement concrete column | |
| CN209799007U (en) | Replaceable energy-consuming wood structure beam-column joint | |
| CN206157578U (en) | Novel reinforcing pull rod anchor system | |
| CN214091138U (en) | FRP cloth and wire rope prestressing force reinforcing circular cross section timber beams device | |
| CN211849987U (en) | Can regulate and control prestressing force bar planting tie-beam post device | |
| CN109914849A (en) | A kind of FRP wall reinforcement device and reinforcement means | |
| CN111827466B (en) | Prestressed steel-wood combined beam-column joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |