CN104213639A - Method for reinforcing tenon and mortise joint at angle steel - Google Patents
Method for reinforcing tenon and mortise joint at angle steel Download PDFInfo
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- CN104213639A CN104213639A CN201410384353.6A CN201410384353A CN104213639A CN 104213639 A CN104213639 A CN 104213639A CN 201410384353 A CN201410384353 A CN 201410384353A CN 104213639 A CN104213639 A CN 104213639A
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- angle steel
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Abstract
The invention relates to a method for reinforcing a tenon and mortise joint at angle steel. The method comprises the following steps of type selection of angle steel, processing and installation. The method has the advantage that the angle steel which has the same width with a wood beam is fixedly arranged at the upper and lower sides of the end part of the tenon and mortise joint wood beam by split bolts, and the bearing capacity and ultimate deformation of the tenon and mortise joint are improved, so the anti-shaking property of a tenon and mortise joint wood framework is obviously improved, and the requirement of subsequent use is met.
Description
Technical field
The invention belongs to building science and technology field, be specifically related to a kind of method of angle steel reinforced Tenon node, for maintenance and reinforcement and the transformation of Wood construction.
Background technology
Utilizing timber to build house is the important behaviour form of China's traditional architecture, history timber buildings much all have passed through the history of centuries, it is the important component part of Chinese civilization, comprise abundant history culture intension, such as the Forbidden City, Miao in Guizhou wood Lou Dengdoushi wooden building group, but more remote owing to building the age, simultaneously due to the feature of timber own, a lot of wooden construction urgently keeps in repair or reinforces.History wooden construction majority is mortise and tenon node wood frame construction, and namely beam-ends is made in the reserved fourth of the twelve Earthly Branches mouth of tenon form insertion column cap, and follows closely without the need to an iron one.This connection makes node temper toughness with gentleness, and has certain bending resistance and good energy dissipation capacity.History timber buildings under all previous geological process, on the one hand tenon and the mutual friction and Extrusion of fourth of the twelve Earthly Branches mouth, dissipative part seismic energy; Another part tenon departs from fourth of the twelve Earthly Branches mouth generation and pulls out tenon in the mouth rotation process of the fourth of the twelve Earthly Branches.Pull out tenon and weaken contact between each component, adverse effect is brought to whole structural stability, easily cause overall or askew the sudden strains of a muscle inclination in local of yoke structure, therefore need to carry out joint reinforcing.In addition, timber use for a long time easily cause dry and cracked, rotten, damage by worms, the accumulated damage such as aging, also need to carry out safeguarding and repairing.Shift Method is now often adopted to repair; but replacement can damage the style and features of connected timber compoment and then destruction history timber buildings; in order to history, historical relic, art and scientific value that History of conservancy timber buildings contains, the replacement green wood that the maintenance and reinforcement of wooden structure historical building can not be a large amount of.For mortise and tenon node wooden frame, its weak location is mortise and tenon Nodes, generally just effectively can be improved supporting capacity and the shock resistance of wooden frame by reinforcing joint.Mortise and tenon joint reinforcing method comprises: horizontal, vertical for wooden reinforcing method, carbon cloth reinforced method, tinplate reinforcing method etc., but the many existence of these traditional reinforcement means affect maintenance phase structure to be used, destroys facade effect and harm the deficiencies such as node periphery timber compoment, cannot realize recovery completely and the lifting of wooden construction anti-seismic performance.
Summary of the invention
The defects such as construction complexity that the object of the invention is to exist for existing history timber buildings maintenance reinforcement method, the lifting of destructible structure present situation, anti-seismic performance are less, a kind of method of angle steel reinforced Tenon node is provided, by in upper and lower both sides, Tenon node wooden frame end with to wearing the angle steel that bolt is fixed and wooden frame is wide, improve bearing capacity and the ultimate deformation of Tenon node, thus significantly improve the anti-seismic performance of Tenon node wooden frame, meet follow-up instructions for use.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of method of angle steel reinforced Tenon node, it is characterized in that, comprises the following steps:
(1) angle steel type selecting and processing: according to pin and wooden frame size, chooses suitable angle steel specification, and is cut into pieces by angle steel according to wooden frame width;
(2) angle steel is installed: the upper and lower both sides two of well cutting sections of angle steel being placed in respectively Tenon node wooden frame end, make angle steel one side be close to pin, wooden frame is close in another side, and angle steel and wooden frame, pin is fixed with to wearing bolt.
Further, the hem width of the side that angle steel and wooden frame are affixed is not less than the half of wooden frame height in described step (1), with pin be affixed hem width be not less than the half of pin radius or the length of side, angle steel thickness is not less than 5mm.
Further, smooth, the flawless of angle steel side edge in described step (1).
Further, when angle steel being placed in described step (2) top and the bottom of Tenon node wooden frame end, wooden frame is close in angle steel one side, another side is close to pin, each central point is bolt position, the angle steel face being close to wooden frame is fixed with to wearing the through wooden frame of bolt, and the angle steel face be affixed with pin is with to wearing bolt and pin is fixed.
Further, in described step (2) when wooden frame height is not more than 200mm, the diameter of bolt selects 8mm ~ 12mm; When wooden frame height is greater than 200mm but is not more than 400mm, the diameter of bolt selects 12mm ~ 16mm;
When pin diameter or the length of side are not more than 200mm, the diameter of bolt selects 8mm ~ 12mm; When pin diameter or the length of side are greater than 200mm but are not more than 400mm, the diameter of bolt selects 12mm ~ 16mm.Diameter of bolt hole is comparatively to the large 1mm ~ 2mm of the diameter wearing bolt.
Beneficial effect
The method of a kind of angle steel reinforced Tenon node provided by the invention, by in upper and lower both sides, Tenon node wooden frame end with to wearing the angle steel that bolt is fixed and wooden frame is wide, improve Tenon ultimate bearing capacity of joints and ultimate deformation, thus significantly improve the anti-seismic performance of Tenon node wooden frame, meet follow-up instructions for use.
Accompanying drawing explanation
Accompanying drawing 1 is the main apparent direction structural representation of the present invention.
Accompanying drawing 2 is that the present invention overlooks direction structure schematic diagram.
Wherein, 1, pin, 2, wooden frame, 3, angle steel, 4, to wearing bolt.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
Getting Tenon node wooden frame floor height is 2600mm, and span is 3600mm; Pin cross section is circular, and the logical height of diameter is 200mm; Wooden frame cross section is rectangle, width and be highly respectively 100mm and 200mm.Pin and wooden frame adopt dovetail mode to be connected, dovetail length 50mm, width 50mm, tenon tail width 40mm.Hainan Ervatamia Root column top applies constant vertical load 20kN.Then apply at a slow speed horizontal reciprocating load by MTS actuator, loading speed is 0.3mm/s.After maximum load occurs, along with the increase of distortion, rupture load and corresponding deformation thereof get corresponding load and corresponding deformation when load drops to 85% of maximum load.Destroy if tenon appears pulling out in wooden frame, when pulling out tenon, corresponding load can regard as rupture load.
Test shows, unguyed Tenon node is 1.0kNm at positive and negative both direction peak value moment of flexure average, and peak value corner is 0.05rad.
Separately get a specification identical Tenon node wooden frame.Adopt the angle steel reinforced method of the present invention program, selecting the standard equal leg angle of 100mm*6mm, is 12mm to wearing the diameter of bolt.
First, according to pin and wooden frame size, choose suitable angle steel specification, and according to wooden frame width, angle steel is cut into pieces; The hem width of the side that angle steel and wooden frame are affixed is not less than the half of wooden frame height, with pin be affixed hem width be not less than the half of pin radius or the length of side.The angle steel side edge that cutting obtains is smooth, flawless.
Then, two of well cutting sections of angle steel are placed in respectively the upper and lower both sides of Tenon node wooden frame end, make angle steel one side be close to pin, wooden frame is close in another side, and angle steel and wooden frame, pin is fixed with to wearing bolt.
Described when angle steel being placed in top and the bottom of Tenon node wooden frame end, wooden frame is close in angle steel one side, and another side is close to pin, and each central point is bolt position, the angle steel face being close to wooden frame is fixed with to wearing the through wooden frame of bolt, and the angle steel face be affixed with pin is with to wearing bolt and pin is fixed.
Result of the test shows, the mortise and tenon node adopting angle steel reinforced is 4.5kNm at positive and negative both direction peak value moment of flexure average, and peak value corner is 0.08rad, and more unguyed Tenon node improves 350% and 60% respectively.
The present invention, by arranging angle steel in upper and lower both sides, Tenon node wooden frame end and fixing with to wearing bolt, realizes the object improving Tenon ultimate bearing capacity of joints and ultimate deformation, thus significantly improves the anti-seismic performance of Tenon node wooden frame.
Claims (5)
1. a method for angle steel reinforced Tenon node, is characterized in that, comprises the following steps:
(1) angle steel type selecting and processing: according to pin and wooden frame size, chooses suitable angle steel specification, and is cut into pieces by angle steel according to wooden frame width;
(2) angle steel is installed: the upper and lower both sides two of well cutting sections of angle steel being placed in respectively Tenon node wooden frame end, make angle steel one side be close to pin, wooden frame is close in another side, and angle steel and wooden frame, pin is fixed with to wearing bolt.
2. the method for a kind of angle steel reinforced Tenon node as claimed in claim 1, it is characterized in that: in described step (1), the hem width of the side that angle steel and wooden frame are affixed is not less than the half of wooden frame height, the hem width on the one side be affixed with pin is not less than the half of pin radius or the length of side, and angle steel thickness is not less than 5mm.
3. the method for a kind of angle steel reinforced Tenon node as claimed in claim 1, is characterized in that: the middle angle steel side edge of described step (1) is smooth, flawless.
4. the method for a kind of angle steel reinforced Tenon node as claimed in claim 1, it is characterized in that: when angle steel being placed in described step (2) top and the bottom of Tenon node wooden frame end, wooden frame is close in angle steel one side, another side is close to pin, each central point is bolt position, the angle steel face being close to wooden frame is fixed with to wearing the through wooden frame of bolt, and the angle steel face be affixed with pin is with to wearing bolt and pin is fixed.
5. the method for a kind of angle steel reinforced Tenon node as claimed in claim 1, is characterized in that: in described step (2) when wooden frame height is not more than 200mm, the diameter of bolt selects 8mm ~ 12mm; When wooden frame height is greater than 200mm but is not more than 400mm, the diameter of bolt selects 12mm ~ 16mm;
When pin diameter or the length of side are not more than 200mm, the diameter of bolt selects 8mm ~ 12mm; When pin diameter or the length of side are greater than 200mm but are not more than 400mm, the diameter of bolt selects 12mm ~ 16mm.Diameter of bolt hole is comparatively to the large 1mm ~ 2mm of the diameter wearing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384353.6A CN104213639A (en) | 2014-08-06 | 2014-08-06 | Method for reinforcing tenon and mortise joint at angle steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384353.6A CN104213639A (en) | 2014-08-06 | 2014-08-06 | Method for reinforcing tenon and mortise joint at angle steel |
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| Publication Number | Publication Date |
|---|---|
| CN104213639A true CN104213639A (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410384353.6A Pending CN104213639A (en) | 2014-08-06 | 2014-08-06 | Method for reinforcing tenon and mortise joint at angle steel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337504A (en) * | 2016-10-14 | 2017-01-18 | 天津大学 | Beam column node of assembling type wooden framework structure |
| CN107060367A (en) * | 2017-06-29 | 2017-08-18 | 四川省建筑科学研究院 | Ruggedized construction and method for wearing bucket type gallows timber typical node |
| CN108385830A (en) * | 2018-02-09 | 2018-08-10 | 上海市建筑科学研究院 | It is a kind of can Self-resetting prestressing force gluing wood frame construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10159177A (en) * | 1996-12-03 | 1998-06-16 | Ibiden Co Ltd | Wooden reinforcement member for wooden framework corner, and brace fixing method using it |
| JP2001065066A (en) * | 1999-08-31 | 2001-03-13 | Sanix Inc | Earthquake resistant reinforcing hardware for building |
| CN201460250U (en) * | 2009-05-26 | 2010-05-12 | 故宫博物院 | Reinforcing device used for historic building timber structure side span mortise and tenon joint |
| CN102251584A (en) * | 2011-05-04 | 2011-11-23 | 南京工业大学 | L-shaped angle steel-reinforcing wooden structure tenon-and-mortise node |
| JP2013057168A (en) * | 2011-09-07 | 2013-03-28 | Mikio Tashiro | Head joint hardware |
-
2014
- 2014-08-06 CN CN201410384353.6A patent/CN104213639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10159177A (en) * | 1996-12-03 | 1998-06-16 | Ibiden Co Ltd | Wooden reinforcement member for wooden framework corner, and brace fixing method using it |
| JP2001065066A (en) * | 1999-08-31 | 2001-03-13 | Sanix Inc | Earthquake resistant reinforcing hardware for building |
| CN201460250U (en) * | 2009-05-26 | 2010-05-12 | 故宫博物院 | Reinforcing device used for historic building timber structure side span mortise and tenon joint |
| CN102251584A (en) * | 2011-05-04 | 2011-11-23 | 南京工业大学 | L-shaped angle steel-reinforcing wooden structure tenon-and-mortise node |
| JP2013057168A (en) * | 2011-09-07 | 2013-03-28 | Mikio Tashiro | Head joint hardware |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337504A (en) * | 2016-10-14 | 2017-01-18 | 天津大学 | Beam column node of assembling type wooden framework structure |
| CN107060367A (en) * | 2017-06-29 | 2017-08-18 | 四川省建筑科学研究院 | Ruggedized construction and method for wearing bucket type gallows timber typical node |
| CN108385830A (en) * | 2018-02-09 | 2018-08-10 | 上海市建筑科学研究院 | It is a kind of can Self-resetting prestressing force gluing wood frame construction |
| CN108385830B (en) * | 2018-02-09 | 2020-01-07 | 上海市建筑科学研究院 | Self-resettable prestressed laminated wood frame structure |
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Application publication date: 20141217 |