CN203569694U - Reinforcement, energy dissipation and seismic reduction device of mortise and tenon joint of timber structure - Google Patents
Reinforcement, energy dissipation and seismic reduction device of mortise and tenon joint of timber structure Download PDFInfo
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- CN203569694U CN203569694U CN201320561955.5U CN201320561955U CN203569694U CN 203569694 U CN203569694 U CN 203569694U CN 201320561955 U CN201320561955 U CN 201320561955U CN 203569694 U CN203569694 U CN 203569694U
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Abstract
The utility model discloses a reinforcement, energy dissipation and seismic reduction device of a mortise and tenon joint of a timber structure. The reinforcement, energy dissipation and seismic reduction device of the mortise and tenon joint of the timber structure comprises a wooden beam, a wooden pole, the mortise and tenon joint, embedded steel bars, joint connecting pieces and joint fastening pieces. The wooden beam is connected with the wooded pole through the mortise and tenon joint. The upper surface and the lower surface of the beam end of the wooden beam or the surfaces of the two sides of the beam end of the wooden beam are respectively provided with groove channels. The embedded steel bars are embedded in the groove channels in advance, and the groove channels are sealed through small battens and a special structural adhesive. One end of each joint connecting piece is connected with the corresponding embedded steel bar, and the other end of each joint connecting piece is connected with the corresponding joint fastening piece. Each joint fastening piece penetrates through a pole body of the wooden pole and is fixed to one side, with the back towards the wooden beam, of the wooden pole through an anchor plate and a cushion block. The reinforcement, energy dissipation and seismic reduction device of the mortise and tenon joint of the timber structure is high in bending resistance, energy dissipation performance and ductility, and capable of guaranteeing that the timber structure is stable in a small earthquake and achieving the ideal effects that the timber structure greatly deforms and the damage to the timber structure is controlled in a strong earthquake, and the timber structure restores automatically after the earthquake.
Description
Technical field
The utility model belongs to field of civil engineering, relate to a kind of Tenon node, be particularly related to a kind of beam column Tenon node of historic building structure, mainly (but not exclusively), for reinforcing, energy-dissipating and shock-absorbing and the damaged rear reparation of existing wooden construction beam column Tenon node, also can be used for enhancing and the energy-dissipating and shock-absorbing of newly-built wooden construction beam column Tenon node.
Background technology
China's timber buildings is with a long history, from ancient times imperial palace building, temple palace, to esidential building, adopts in a large number historic building structure form; Historic building structure distributed areas are extensive simultaneously, almost spread all over the whole nation, and the famous historic building structure of handing down to posterity so far has: Beijing's Imperial Palace, Shanxi Wooden Pagoda at Yingxian County, Monastety of Solitary Happiness, Ji County, Chengde Imperial Summer Resort etc.China's historic building structure is containing valuable Traditional Chinese architectural skill and architectural culture, is worldwide legacy, has high history, historical relic, art and scientific value.Therefore, must take measures these historic building structures to carry out strengthening by reparative method and protection, promote its energy-dissipating and shock-absorbing performance.
Historic building structure is mainly connected by Tenon, is typically beam-ends and makes tenon form, and shaft is made fourth of the twelve Earthly Branches degree of lip-rounding formula, and this connected node has the effect of coupling hardness with softness.Yet due to reasons such as extraneous factor effect (earthquake, typhoon, ambient temperature and humidity etc.) and timber self-defects, after Tenon position of joints generation crimp, all there is permanent set in various degree in tenon and the fourth of the twelve Earthly Branches, this just makes the Tenon node space between loosening, tenon and the fourth of the twelve Earthly Branches that becomes gradually strengthen, and occurs that what is more part pulls out the phenomenons such as tenon, node get loose.Above-mentioned destruction symptom makes Tenon node change hinged state into by semi-rigid state, not only make the basic supporting capacitys such as its bending and twisting reduce, and having a strong impact on integrally-built supporting capacity, lateral resisting ability and structural stability, the destruction of having aggravated building is even collapsed; Meanwhile, due to permanent set larger after earthquake, historic building structure is difficult to repair in shake afterwards.Therefore, for existing historic building structure is reinforced, damaged rear reparation, even comprise the enhancing to newly-built Archaizing wood structural construction, be badly in need of for Tenon node propose suitable, effectively reinforce restorative procedure.
The reinforcing mode of existing wooden construction Tenon node mainly contains: Ma Kou nail is reinforced (directly fixing), U-shaped flat steel reinforced (bonds along beam cross-section at position of joints with band steel, adopt nail to fix), Nodes additional support reinforces and FRP(fibre reinforced composites, as carbon cloth etc.) reinforce etc., these reinforcement means have effectively prevented pulling out tenon, the catastrophic failure forms such as beam fall.But also there are the following problems for these methods:
1) be difficult for changing and overhauling.For irony strenthening member, because corrosion problem causes changing difficulty, bring potential safety hazard simultaneously; For FRP reinforcing mode, because adopting structure glue, FRP is pasted on timber compoment surface, and make it be difficult to change, be also not easy to overhaul reinforcing position.
2) after shake, difficult reset issues still exists.The general equal rigidity that improves Tenon node of tradition reinforcement means have certain energy dissipation capacity, but after earthquake, still there is permanent set in it simultaneously, recovers in place still more difficult, and rehabilitation cost is also very high.
3) after reinforcing, generally can affect building interior appearance effect.After conventional method is reinforced, general reinforcement material exposes at Nodes, and existing building outward appearance is produced to certain influence, does not meet the principle of restoring the old as the old.
Utility model content
The purpose of this utility model is as overcoming the deficiencies in the prior art, a kind of reinforcing and energy-consumption shock-absorption device of wooden construction Tenon node are provided, this node has higher bending resistance, energy dissipation capacity and ductile performance, this node can guarantee Stability Analysis of Structures under little shake, structure under large shake be can realize again and large deformation control structure damage, the ideal effect of structure Self-resetting after shake occurred.
The technical solution adopted in the utility model is: a kind of reinforcing and energy-consumption shock-absorption device of wooden construction Tenon node, comprise wooden frame, pin, Tenon node, bar planting, node connector and node fastener, between described wooden frame and pin, by Tenon node, be connected, beam-ends upper and lower surface or the both side surface of wooden frame are provided with conduit, described bar planting is planted in advance in conduit, and close by little batten and application specific architecture rubber seal, one end of described node connector is connected with bar planting, the other end is connected with node fastener, node fastener runs through the shaft of pin, and by anchor slab and cushion block, a side back to wooden frame on pin is fixed.
As preferably, described node connector is a kind of in steel, stainless steel or other metal material, and its profile can be hollow steel cast, grooved etc., and by embedded mode, node connector can be hidden into wooden frame termination completely; The nut that fastening bar planting rod member is used and packing ring also can be welded on steel plateelement in advance, also can treat after bar planting maintenance fastening again.
As preferably, the cross sectional shape of described wooden frame and pin is square, rectangle or circle.
As preferably, described pin can adopt under anchor slab squeezes into wood screw or bar planting mode is carried out local enhancement.
As preferably, described wooden frame material is a kind of in log, sawn timber, laminated wood (glulam), laminated veneer lumber (LVL), parallel strand laminated wood (PSL), laminated strand lumber (LSL), Other Engineering timber.
As preferably, described Tenon node is a kind of in dovetail, half tenon or through tenon.
As preferably, described bar planting is a kind of in screw-thread steel, screw rod, round steel, steel pipe or FRP.
As preferably, described node fastener adopts reinforcing bar, screw rod, steel pipe or marmem.
As preferably, described anchor slab material is steel or hardwood, and anchor slab directly contact is fixed on pin surface, or embeds pin and keep anchor slab concordant with pin external surface.
As preferably, described cushion block adopts metal material or hardwood.
Beneficial effect: reinforcing and the energy-consumption shock-absorption device of the wooden construction Tenon node that employing the utility model provides, there is good supporting capacity, energy dissipation capacity and ductile performance, according to existing scientific experimentation data, this type of reinforcing joint is compared before reinforcing, its supporting capacity and rigidity of rotation of joints maximum can improve more than 10 times, and its reinforcement cost and conventional method are similar; Meanwhile, this node can guarantee Stability Analysis of Structures under little shake, can realize again structure under large shake and occur large deformation control structure damage, the ideal effect of structure Self-resetting after shake.Meanwhile, because its assembling construction technology is convenient to maintain and replace, because of its implicit nature good appearance, fireproof performance good.
In addition, pass through appropriate design, can guarantee that node connector or node fastener are prior to bar planting and beam column member generation yield failure, this greatly improves structural performance, ductile performance and the energy-dissipating property of node on the one hand, also makes on the other hand the safety of node, reliability be significantly improved.
All replaceable, easy maintenance such as node connector and node fastener in the utility model, construct easy to maintenance, the loaded down with trivial details operations such as frame overhaul have been avoided, not only embodied technically advance, the maintenance and the rehabilitation cost that also greatly reduce historic building structure, have very high social effect and economic benefit.
Accompanying drawing explanation
Fig. 1 is reinforcing and energy-consumption shock-absorption device embodiment 1 structural representation of the utility model wooden construction Tenon node;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the section 1-1 schematic diagram of Fig. 1;
Fig. 5 is the section 2-2 schematic diagram of Fig. 1;
Fig. 6 is the conduit schematic diagram that the utility model is offered in wooden frame upper and lower surface;
Fig. 7 is the conduit schematic diagram that the utility model is offered in wooden frame both side surface;
Fig. 8-10 are three kinds of structural form schematic diagrames of the utility model beam-column connector 5;
Figure 11 is reinforcing and the energy-consumption shock-absorption device embodiment 2 structure top views of the utility model wooden construction Tenon node;
Figure 12 is that the utility model embodiment 3 removal through tenons expose the schematic diagram of termination;
Figure 13 is that the utility model embodiment 3 is for reinforcing and the energy-consumption shock-absorption device schematic diagram of the wooden construction Tenon node of through tenon node.
The specific embodiment
Below by the specific embodiment and accompanying drawing, the utility model is described further:
As shown in Fig. 1-7, a kind of reinforcing and energy-consumption shock-absorption device of wooden construction Tenon node, comprise wooden frame 1, pin 2, Tenon node 3, bar planting 4, node connector 5 and node fastener 6, between described wooden frame 1 and pin 2, by Tenon node 3, be connected, beam-ends upper and lower surface or the both side surface of wooden frame 1 are provided with conduit 9, described bar planting 4 is planted in advance in conduit 9, and close by little batten 10 and application specific architecture rubber seal, one end of described node connector 5 is connected with bar planting 4, the other end is connected with node fastener 6, node fastener 6 runs through the shaft of pin 2, and by anchor slab 7 and cushion block 8, a side back to wooden frame 1 on pin 2 is fixed.
As shown in Fig. 8-10, described node connector 5 is a kind of in steel, stainless steel or other metal material, and its profile can be hollow steel cast, grooved etc., is provided with bolt hole 11 above, and by embedded mode, node connector can be hidden into wooden frame termination completely; The nut that fastening bar planting rod member is used and packing ring also can be welded on steel plateelement in advance, also can treat after bar planting maintenance fastening again.
The cross section of described wooden frame 1 is rectangle, and the cross section of described pin 2 is circular.Described pin 2 can adopt under anchor slab squeezes into wood screw or bar planting mode is carried out local enhancement.Described wooden frame 1 material is a kind of in log, sawn timber, laminated wood (glulam), laminated veneer lumber (LVL), parallel strand laminated wood (PSL), laminated strand lumber (LSL), Other Engineering timber.Described Tenon node 3 is dovetail.Described bar planting 4 is a kind of in screw-thread steel, screw rod, round steel, steel pipe or FRP.Described node fastener 6 adopts reinforcing bar, screw rod, steel pipe or marmem.Described anchor slab 7 materials are steel or hardwood, and anchor slab 7 embeds pin 2 and keeps anchor slab 7 concordant with pin 2 external surfaces.Described cushion block 8 adopts metal material or hardwood.
As shown in figure 11, a kind of reinforcing and energy-consumption shock-absorption device of wooden construction Tenon node, all the other structures are all identical with embodiment 1, and difference is: the cross section of described pin 2 is square.
As shown in Figures 12 and 13, a kind of reinforcing and energy-consumption shock-absorption device of wooden construction Tenon node, all the other structures are all identical with embodiment 1, and difference is: described Tenon node 3 is through tenon.
It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (10)
1. reinforcing and the energy-consumption shock-absorption device of a wooden construction Tenon node, it is characterized in that: comprise wooden frame, pin, Tenon node, bar planting, node connector and node fastener, between described wooden frame and pin, by Tenon node, be connected, beam-ends upper and lower surface or the both side surface of wooden frame are provided with conduit, described bar planting is planted in advance in conduit, and seal by little batten and structure glue, one end of described node connector is connected with bar planting, the other end is connected with node fastener, node fastener runs through the shaft of pin, and by anchor slab and cushion block, a side back to wooden frame on pin is fixed.
2. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, it is characterized in that: described node connector is a kind of in steel, stainless steel, its profile is hollow steel cast, grooved, and node connector is hidden into wooden frame termination completely by embedded mode.
3. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: the cross sectional shape of described wooden frame and pin is square, rectangle or circle.
4. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described pin adopts under anchor slab squeezes into wood screw or bar planting mode is carried out local enhancement.
5. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described wooden frame material is a kind of in log, sawn timber, laminated wood, laminated veneer lumber, parallel strand laminated wood, laminated strand lumber.
6. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described Tenon node is a kind of in dovetail, half tenon or through tenon.
7. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described bar planting is a kind of in screw-thread steel, screw rod, round steel, steel pipe or FRP.
8. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described node fastener adopts reinforcing bar, screw rod or steel pipe.
9. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described anchor slab material is steel, and anchor slab directly contact is fixed on pin surface, or embeds pin and keep anchor slab concordant with pin external surface.
10. reinforcing and the energy-consumption shock-absorption device of a kind of wooden construction Tenon node according to claim 1, is characterized in that: described cushion block adopts metal material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561955.5U CN203569694U (en) | 2013-09-10 | 2013-09-10 | Reinforcement, energy dissipation and seismic reduction device of mortise and tenon joint of timber structure |
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| CN201320561955.5U CN203569694U (en) | 2013-09-10 | 2013-09-10 | Reinforcement, energy dissipation and seismic reduction device of mortise and tenon joint of timber structure |
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| CN203569694U true CN203569694U (en) | 2014-04-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422576A (en) * | 2013-09-10 | 2013-12-04 | 南京工业大学 | Device for reinforcement, energy dissipation and seismic mitigation of tenon and mortise joint of timber structure |
| CN104532960A (en) * | 2014-12-26 | 2015-04-22 | 南京工业大学 | Dot-matrix type horizontal grain enhanced wood structure mortise-tenon joint |
| CN107386478A (en) * | 2017-07-05 | 2017-11-24 | 武汉理工大学 | A kind of wooden earthquake isolating equipment |
| CN108915081A (en) * | 2018-08-10 | 2018-11-30 | 北京建筑大学 | A kind of wooden energy-consuming shock absorber and the timber structural system with it |
| CN113123630A (en) * | 2021-04-12 | 2021-07-16 | 陕西省建筑科学研究院有限公司 | Method for reinforcing wood structure decay tenon-and-mortise joint |
-
2013
- 2013-09-10 CN CN201320561955.5U patent/CN203569694U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422576A (en) * | 2013-09-10 | 2013-12-04 | 南京工业大学 | Device for reinforcement, energy dissipation and seismic mitigation of tenon and mortise joint of timber structure |
| CN104532960A (en) * | 2014-12-26 | 2015-04-22 | 南京工业大学 | Dot-matrix type horizontal grain enhanced wood structure mortise-tenon joint |
| CN107386478A (en) * | 2017-07-05 | 2017-11-24 | 武汉理工大学 | A kind of wooden earthquake isolating equipment |
| CN107386478B (en) * | 2017-07-05 | 2020-04-03 | 武汉理工大学 | Wooden shock isolation device |
| CN108915081A (en) * | 2018-08-10 | 2018-11-30 | 北京建筑大学 | A kind of wooden energy-consuming shock absorber and the timber structural system with it |
| CN108915081B (en) * | 2018-08-10 | 2023-09-12 | 北京建筑大学 | Wooden energy dissipation and shock absorption device and wooden structure system with same |
| CN113123630A (en) * | 2021-04-12 | 2021-07-16 | 陕西省建筑科学研究院有限公司 | Method for reinforcing wood structure decay tenon-and-mortise joint |
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Granted publication date: 20140430 Effective date of abandoning: 20150826 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140430 Effective date of abandoning: 20150826 |
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| RGAV | Abandon patent right to avoid regrant |