CN101922241A - Method for repairing wood beam column of old building by embedded rib reinforcement - Google Patents
Method for repairing wood beam column of old building by embedded rib reinforcement Download PDFInfo
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- CN101922241A CN101922241A CN 201010252145 CN201010252145A CN101922241A CN 101922241 A CN101922241 A CN 101922241A CN 201010252145 CN201010252145 CN 201010252145 CN 201010252145 A CN201010252145 A CN 201010252145A CN 101922241 A CN101922241 A CN 101922241A
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Abstract
The invention provides a method for repairing a wood beam column of an old building by embedded rib reinforcement, aiming at providing an old building repairing method which only repairs and reinforces the damaged part and ensures the appearance is little difference with the original part with quick construction progress, low construction cost, high safety and no replacement of the whole component. The method is realized by the following technical scheme: firstly, the structure characteristic and the incomplete degree of the building are investigated; a plotting drawing and an investigation report are drawn; a support is arranged on the lower end of the beam and is isolated from soft materials; a groove is reserved on a damaged surface of the wood beam column, a stainless steel strip is embedded in the groove on the surface of the wood beam column to become a whole with the original structure, and glue is applied to the surface of the wood beam column which is embedded with the stainless steel strip to coat and adhere a fiber fabric; and an color paint over with wood oil on the surface course is arranged according to the original appearance decorating pattern of the wood component. The method not only improves the carrying capability of the wood beam column to ensure that the appearance has little difference with the original part, but also prolongs the service life of the wood beam column building because the stainless steel strip cannot be rusted.
Description
Technical field
The invention relates to the method for repairing wood beam column of old building by embedded rib reinforcement.
Background technology
The long history of China has been created magnificent ancient civilization, and Chinese ancient architecture has emerged many building masterpiece, has built various palaces handed down from ancient times, mausoleum, temple, gardens, private residence.Chinese ancient architecture becomes cultural heritage highly visible with its graceful soft profile with changing various form.It is a bright jewel in the world architecture art treasure-house.Appreciate Chinese ancient architecture, like opening heavy history records.But these are noticeable, admirable cultural heritage, owing to be subjected to external force effect and self material property degradation such as earthquake, burn into natural environment for a long time, the serious threat that the decline of the bearing capacity of structure and stability, the safety of ancient building have been subjected to being exposed to the sun and rain, wind and frost sleet is damaged, the timber natural defect, damage by worms, the span centre crucial force part of crack initiation, beam-ends splitting, beam column of breaking, knaur, wood are turned round (tiltedly) line or shrinkage crack, and the top layer is rotten serious with aged deterioration.The reparation of ancient architecture has become the important topic that protects cultural heritage.
And at present when ancient building is repaired, people for wooden frame, pin occur rotten, damage by worms, the reparation of cracking, shaft damage, generally all be to take to change whole post, whole beam, or joints cement concrete complementing method solves.The weak point of these methods is, has run counter to the principle of " restoring the old as the old ", makes impaired member lose value as historical relic.Next is before changing beam column, needs the wooden frame post of ancient building is unloaded, and its potential safety hazard is bigger, and construction speed is slow, the cost height, and the difference of outward appearance and original part is big.
Summary of the invention
The objective of the invention is weak point at the prior art existence, principle according to " restoring the old as the old ", it is fast to propose a kind of construction speed, construction cost is low, safe, need not change whole member, only to impaired part repairing and reinforcement, and the method for the little repairing wood beam column of old building by embedded rib reinforcement of the difference of outward appearance and original part.
The object of the invention can reach by following measure.A kind of method of repairing wood beam column of old building by embedded rib reinforcement has following technical characterictic:
1) reconnoitres evaluation: at first be that characteristics of the times, architectural feature, structural feature and incomplete degree to building reconnoitred; Draw the report of reconnoitring of the mapping drawing, photo of damaged situation of this building and size, necessary explanatory note data and prospecting results;
2) inspection and the damaged point of evaluation pin are set up bracing frame in the beam lower end, and bracing frame top and wooden construction contact position isolate with flexible material;
3) Local treatment pin beam damaged part:
When the shrinkage crack degree of depth of pin is no more than 1/3～1/4 of post footpath or draw seam direction sectional dimension, crack width is mended with the batten embedding, and is cemented with sqtructural adhesive during greater than 3mm;
When the pin post heart is intact, only there is the top layer rotten or have when rotten in various degree, earlier rotten part is rejected totally, after preservative treatment, repair neat, and bonding or subsidize tight according to former state and life size with desiccated wood with sqtructural adhesive;
4) tick slot on damaged of wooden frame post is embedded in stainless steel strip in the tick slot of wooden frame post surface, gluing parcel on the wooden frame post surface of the good stainless steel strip of embedding then, and paste cloth and original structure becomes one the preferred basalt fiber cloth of cloth;
5) oil colored paintings: behind parcel good fiber cloth, carry out the oil colored paintings of surface layer according to the original decorative appearance pattern of timber compoment.
The present invention has following beneficial effect than prior art.
The present invention is according to the principle of " restoring the old as the old ", and the historical relic that keeps the ancient building member is worth, and only to impaired part repairing and reinforcement, need not change whole member.The ancient building timber compoment is priceless because of its historical relic is worth; use this worker method can when its supporting capacity of the impaired forfeiture of wood beam column of old building, keep original part; recover its bearing function, meet the principle of " restoring the old as the old ", the protection of national historical relic is significant.
Adopt the wooden frame post repairing and reinforcement of this worker method to ancient building, its damaged part obtains repairing.Wherein adopt the stainless steel strip that higher physical strength and modulus of elasticity are arranged, it is embedded in wooden frame post surface, become one with original structure, and bear more load effect, not only improved the supporting capacity of wooden frame post, make outward appearance and original part keep the little original appearance of difference, and prolonged the life-span of wooden frame post building because of its not corrosion of stainless steel strip.
The present invention can reach following effect at wooden frame post perished surface parcel basalt fiber cloth: the one, improve element bearing capacity by " mould hoop effect "; The 2nd, the globality of raising member makes stainless steel strip combine with original member is better; The 3rd, the protection member is avoided insect pest and environmental attack.
The efficient height has been saved the duration.Handle owing to only the impaired part of wooden frame post is carried out local stiffening, need not change whole member, therefore accelerated construction speed, saved the duration.
Safe.Because when adopting the construction of this worker method, needn't unload wooden frame post building facilities, safety of construction improves widely.Need the wooden frame post of ancient building is unloaded the drawback that potential safety hazard is bigger before having avoided prior art to change beam column.
The construction cost cost is low.The job practices that more renews beam column with prior art is compared, and adopts this worker method can reduce by 70% construction cost, and has saved wood usage amount, is beneficial to environmental protection.
Adopt basalt fiber cloth parcel wooden frame post, than using carbon fiber to be furnished with following advantage:
1, cost performance height, unit price are 20% of carbon cloths.
2, good toughness, fracture elongation almost are 2 times of carbon cloth;
3, flexible winding can be cut out arbitrarily, easily pastes, and construction quality is easy to guarantee.
The present invention is applicable to that wooden frame, the pin to ancient building occurs that the top layer is rotten, damage by worms in the part, the reinforcing reparation when ftractureing.
Description of drawings
Fig. 1 is the construction flow chart of the embedded rib reinforcement construction wood beam column of old building restorative procedure according to the present invention.
The specific embodiment
Consult Fig. 1.According to the technological process that the present invention proposes, need reconnoitre evaluation to the impaired wooden frame of ancient building, pin usually.The reconnoitring of ancient building can be divided into French and reconnoitre with damaged situation and reconnoitre two classes.Wherein to reconnoitre be that characteristics of the times, architectural feature and structural feature to building reconnoitred to French; Damaged situation reconnoitre be to the load-carrying members of building and correlation engineering thereof damage, incomplete degree and reason reconnoitre.
To the reconnoitring of ancient building the time, the instrument of reconnoitring use should be able to satisfy related request.For the object of long-term observation, firm permanent observation reference point should be set still; Ban use of all to impair reconnoitring of ancient building and attached historical relic thereof and observation method simultaneously, as temperature shock, strong illumination, strong vibration etc.Prospecting results still should be with complete set mapping drawing, photo and the necessary explanatory note data of damaged situation of this building and size except that reconnoitring the report.In the process of reconnoitring, if find dangerous situation, or the discovery topic is remembered, historical relic, should keep the scene intact and notify at once authorities immediately, and the explorer must not take the liberty to decide matters by oneself.
In structural reliability is identified, should reach according to the damaged number of spots that occurs in the load-carrying members, issue, deterioration degree structure partial or the whole destruction and the consequence that may cause are assessed.
The inspection of wooden frame, the damaged point of pin and evaluation according to the form below carry out.
1. the inspection and the evaluation form of the damaged point of pin
2. the inspection and the evaluation form of the damaged point of wooden frame
When setting up local support frame and handling frame, bracing frame and handling frame can adopt steel pipe scaffold, door-type scaffold or tool type scaffold.The parameter of setting up of the scaffold that adopts should be by load checking computations affirmation.
When pin was repaired, for reducing the load-bearing of pin, bracing frame was set up in the beam lower end that reply links to each other with post.If damaged location in the beam intersection, also should be set up bracing frame to relevant beam.For avoiding damaging the oil colored paintings on the intact part of wooden construction top layer, bracing frame top and wooden construction contact position isolate with flexible material.
To pin, wooden frame damaged part Local treatment the time, to the shrinkage crack of pin, when its degree of depth be no more than post footpath or shrinkage crack direction sectional dimension 1/3 the time, and when crack width during,, and cement with sqtructural adhesive with batten embedding benefit greater than 3mm.When if the horizontal fracture degree of depth of wooden frame is damaged by worms above 1/4 or wooden frame post part of deck-siding or beam diameter, remove rotten mashed position wooden unit, chip earlier, spray antiseptic insect-repelling medicament, then slit embedding benefit bonding is tight with batten and sqtructural adhesive.
When the pin post heart is intact, only there is the top layer rotten, rotten part can be rejected totally, after preservative treatment, repair neatly according to former state and life size with desiccated wood, and bonding with sqtructural adhesive.
When wooden frame has when rotten to some extent, earlier rotten part is rejected totally, after preservative treatment, press required form and size with dry timber, subsidize tight with sqtructural adhesive.
When 1/4 and the supporting capacity checking computation results that surpasses deck-siding or beam diameter when the horizontal fracture degree of depth of wooden frame do not satisfy force request, it was tight then with batten and sqtructural adhesive bonding to be mended in the slit embedding.
For wooden frame, the pin part position of damaging by worms, remove rotten mashed wooden unit, chip earlier, spray antiseptic insect-repelling medicament, it is tight with batten and sqtructural adhesive bonding to be mended in the slit embedding again.
Tick slot on damaged of wooden frame post.After the damaged part to wooden frame, pin carries out the part reparation, the quantity of tick slot and position are consistent with the stainless steel strip that needs to embed on timber compoment, the stainless steel strip cross section that the width of tick slot, the degree of depth embed greater than need, tick slot length is slightly larger than the length of the stainless steel strip that needs embedding.
Paste stainless steel strip, four of embeddings or above stainless steel strip around the impaired cylinder of pin are subjected to curved district to embed two or two above stainless steel strips at wooden frame.When tick slot is embedded in stainless steel strip, should use reperfusion structure glue earlier, embed stainless steel strip again.After embedding stainless steel strip, adopt to be embedded into batten, stainless steel strip is pushed against, again reperfusion structure glue.
After tick slot is embedded into batten and stainless steel strip, gluing parcel cloth.The preferred basalt fiber cloth of cloth also can adopt carbon cloth, glass fabric.
The good stainless steel strip of embedding, and after treating the abundant drying of structure glue, the used structure glue of basalt fiber cloth is pasted in brushing.Evenly, structure glue is not coated in the damaged part surface of wooden frame post with rotary broom or hairbrush with having omission.Structure glue coated face border should be not less than the basalt fiber cloth size of being pasted.Tie mist or moisture is arranged as the wooden construction surface, use hair dryer the surfacing of moist position can be constructed to drying.When basalt fiber cloth is pasted in brushing, with special glue Kun and scraper plate basalt fiber cloth upper edge machine direction exert pressure and to a direction or from the centre to the both direction rolling compaction, make resin adhesive liquid fully flood basalt fiber cloth, form composite material, eliminate bubble and remove unnecessary resin, make basalt fibre and bottom fully bonding.
Structure glue is solidified.After the extremely abundant drying of structure glue gel, as find that there are projection burr or glue knurl in the surface, use emery cloth polishing fairing, answer the above step of repetitive operation if any the part that polishing is worn.
Oil colored paintings.After having wrapped up basalt fiber cloth, after hidden acceptance(check), carry out the oil colored paintings of surface layer according to the original decorative appearance pattern of timber compoment.When the ancient building oil colored paintings, must not change colour painting grade, color original state and decorate subject matter original-pack.
Remove bracing frame and handling frame.After facing decoration is finished, qualified by inspection dismounting bracing frame and handling frame.
Table 1 main material table
Claims (7)
1. the method for a repairing wood beam column of old building by embedded rib reinforcement has following technical characterictic:
1) reconnoitres evaluation: at first be that characteristics of the times, architectural feature, structural feature and incomplete degree to building reconnoitred; Draw the report of reconnoitring of the mapping drawing, photo of damaged situation of this building and size, necessary explanatory note data and prospecting results;
2) inspection and the damaged point of evaluation pin are set up bracing frame in the beam lower end, and bracing frame top and wooden construction contact position isolate with flexible material;
3) Local treatment pin beam damaged part:
When the shrinkage crack degree of depth of pin is no more than 1/3～1/4 of post footpath or draw seam direction sectional dimension, crack width is mended with the batten embedding, and is cemented with sqtructural adhesive during greater than 3mm;
When the pin post heart is intact, only there is the top layer rotten or have when rotten in various degree, earlier rotten part is rejected totally, after preservative treatment, repair neat, and bonding or subsidize tight according to former state and life size with desiccated wood with sqtructural adhesive;
4) tick slot on damaged of wooden frame post is embedded in stainless steel strip in the tick slot of wooden frame post surface, gluing parcel on the wooden frame post surface of the good stainless steel strip of embedding then, and paste cloth and original structure becomes one the preferred basalt fiber cloth of cloth;
5) oil colored paintings: behind parcel good fiber cloth, carry out the oil colored paintings of surface layer according to the original decorative appearance pattern of timber compoment.
2. the method for repairing wood beam column of old building by embedded rib reinforcement as claimed in claim 1, it is characterized in that, in above-mentioned steps 2, after wooden frame, the reparation of pin damaged part Local treatment are finished, then the quantity of tick slot and position are consistent with the stainless steel strip that needs to embed on timber compoment, first reperfusion structure glue in groove, the stainless steel strip cross section that the width of groove, the degree of depth embed greater than need, flute length is greater than the length of the stainless steel strip of need embedding; Around the pin cylinder, embed at least four stainless steel strips, after wooden frame is subjected to curved district to embed at least two stainless steel strips, embeds stainless steel strip, be embedded into batten stainless steel strip is pushed against, again reperfusion structure glue.
3. the method for repairing wood beam column of old building by embedded rib reinforcement as claimed in claim 1, it is characterized in that, when if the horizontal fracture degree of depth of wooden frame post is damaged by worms above 1/4 or wooden frame post part of deck-siding or beam diameter, remove rotten mashed position wooden unit, chip earlier, spray antiseptic insect-repelling medicament, then slit embedding benefit bonding is tight with batten and sqtructural adhesive.
4. the method for repairing wood beam column of old building by embedded rib reinforcement as claimed in claim 1 is characterized in that, described cloth is selected basalt fiber cloth, carbon cloth or glass fabric for use.
5. the method for repairing wood beam column of old building by embedded rib reinforcement as claimed in claim 1 is characterized in that, the good stainless steel strip of embedding, and after treating the abundant drying of structure glue, the used structure glue of basalt fiber cloth is pasted in brushing.
6. the method for repairing wood beam column of old building by embedded rib reinforcement as claimed in claim 5 is characterized in that, described structure glue coated face border is not less than the basalt fiber cloth size of being pasted.
7. the method for repairing wood beam column of old building by embedded rib reinforcement as claimed in claim 1, it is characterized in that, when basalt fiber cloth is pasted in brushing, exert pressure in basalt fiber cloth upper edge machine direction with glue Kun and scraper plate, and to a direction or from the centre to the both direction rolling compaction, make resin adhesive liquid fully flood basalt fiber cloth, form composite material, eliminate bubble and remove unnecessary resin, make basalt fibre and bottom fully bonding.
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| CN 201010252145 CN101922241A (en) | 2010-08-13 | 2010-08-13 | Method for repairing wood beam column of old building by embedded rib reinforcement |
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| CN 201010252145 CN101922241A (en) | 2010-08-13 | 2010-08-13 | Method for repairing wood beam column of old building by embedded rib reinforcement |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943571A (en) * | 2012-12-03 | 2013-02-27 | 东南大学 | Reinforced structure for lower string beam of wooden structure howe roof truss of historic building |
| CN105672686A (en) * | 2016-01-29 | 2016-06-15 | 浙江水利水电学院 | Ancient wood building repairing construction method |
| CN105952182A (en) * | 2016-06-21 | 2016-09-21 | 南京林业大学 | Method for compound reinforcement of wooden beam |
| CN107083846A (en) * | 2017-04-06 | 2017-08-22 | 国网山东省电力公司烟台供电公司 | A kind of shockproof reinforcement means of log cabin |
| CN107327154A (en) * | 2017-05-19 | 2017-11-07 | 中国矿业大学 | A kind of method of screw connection aluminium alloy plate reinforcing wood beam |
| CN108005403A (en) * | 2017-12-07 | 2018-05-08 | 上海住总集团建设发展有限公司 | The restorative procedure and reparation structure of the pin of historical building |
| CN108060790A (en) * | 2017-11-30 | 2018-05-22 | 中国矿业大学 | A kind of method that screw and glue connect aluminium alloy plate reinforcing wood beam jointly |
| CN108979187A (en) * | 2018-07-23 | 2018-12-11 | 南通市紫石古典园林建筑工程有限公司 | A kind of ancient building pin anti-crack and anti-seepage reparation integral construction method |
| CN109057394A (en) * | 2018-08-31 | 2018-12-21 | 重庆建筑工程职业学院 | A kind of excavation-filling method that ancient building pillar slot is rotten |
| CN110259179A (en) * | 2019-07-16 | 2019-09-20 | 福建荣冠环境建设集团有限公司 | A kind of historic building structure method for repairing and constructing |
| CN112196583A (en) * | 2020-11-26 | 2021-01-08 | 广东工业大学 | Method for reinforcing cracked tunnel lining by embedding fiber cables on surface layer |
| CN113482384A (en) * | 2021-07-07 | 2021-10-08 | 福建省永泰建筑工程公司 | Damaged stone material is torn open and is got device for stone material ancient building restoration |
| CN114658258A (en) * | 2022-05-05 | 2022-06-24 | 西安建筑科技大学 | A kind of ancient building wooden structure cracked wooden beam reinforcement device and method |
| CN114753670A (en) * | 2022-05-05 | 2022-07-15 | 西安建筑科技大学 | Cracked wood beam repairing and FRP reinforcing device and method |
| CN117432240A (en) * | 2023-12-18 | 2024-01-23 | 华侨大学 | Repairing method of ancient building girder |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943571A (en) * | 2012-12-03 | 2013-02-27 | 东南大学 | Reinforced structure for lower string beam of wooden structure howe roof truss of historic building |
| CN105672686B (en) * | 2016-01-29 | 2018-06-29 | 浙江水利水电学院 | A kind of historic building structure method for repairing and constructing |
| CN105672686A (en) * | 2016-01-29 | 2016-06-15 | 浙江水利水电学院 | Ancient wood building repairing construction method |
| CN105952182A (en) * | 2016-06-21 | 2016-09-21 | 南京林业大学 | Method for compound reinforcement of wooden beam |
| CN105952182B (en) * | 2016-06-21 | 2018-01-26 | 南京林业大学 | A method for compositely strengthening wooden beams |
| CN107083846A (en) * | 2017-04-06 | 2017-08-22 | 国网山东省电力公司烟台供电公司 | A kind of shockproof reinforcement means of log cabin |
| CN107327154A (en) * | 2017-05-19 | 2017-11-07 | 中国矿业大学 | A kind of method of screw connection aluminium alloy plate reinforcing wood beam |
| CN108060790A (en) * | 2017-11-30 | 2018-05-22 | 中国矿业大学 | A kind of method that screw and glue connect aluminium alloy plate reinforcing wood beam jointly |
| CN108005403A (en) * | 2017-12-07 | 2018-05-08 | 上海住总集团建设发展有限公司 | The restorative procedure and reparation structure of the pin of historical building |
| CN108979187A (en) * | 2018-07-23 | 2018-12-11 | 南通市紫石古典园林建筑工程有限公司 | A kind of ancient building pin anti-crack and anti-seepage reparation integral construction method |
| CN109057394A (en) * | 2018-08-31 | 2018-12-21 | 重庆建筑工程职业学院 | A kind of excavation-filling method that ancient building pillar slot is rotten |
| CN110259179A (en) * | 2019-07-16 | 2019-09-20 | 福建荣冠环境建设集团有限公司 | A kind of historic building structure method for repairing and constructing |
| CN112196583A (en) * | 2020-11-26 | 2021-01-08 | 广东工业大学 | Method for reinforcing cracked tunnel lining by embedding fiber cables on surface layer |
| CN113482384A (en) * | 2021-07-07 | 2021-10-08 | 福建省永泰建筑工程公司 | Damaged stone material is torn open and is got device for stone material ancient building restoration |
| CN114658258A (en) * | 2022-05-05 | 2022-06-24 | 西安建筑科技大学 | A kind of ancient building wooden structure cracked wooden beam reinforcement device and method |
| CN114753670A (en) * | 2022-05-05 | 2022-07-15 | 西安建筑科技大学 | Cracked wood beam repairing and FRP reinforcing device and method |
| CN114658258B (en) * | 2022-05-05 | 2023-09-26 | 西安建筑科技大学 | A device and method for reinforcing cracked wooden beams in wooden structures of ancient buildings |
| CN114753670B (en) * | 2022-05-05 | 2024-04-12 | 西安建筑科技大学 | A cracked wooden beam repair and FRP reinforcement device and method |
| CN117432240A (en) * | 2023-12-18 | 2024-01-23 | 华侨大学 | Repairing method of ancient building girder |
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