CN101353928A

CN101353928A - Concealed type restoring construction method with reinforced parts applied to archaic building components

Info

Publication number: CN101353928A
Application number: CNA2007101296027A
Authority: CN
Inventors: 陈昶良; 阎亚宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-23
Filing date: 2007-07-23
Publication date: 2009-01-28

Abstract

The invention discloses a buried repairing construction method applying a reinforcement part to an ancient building unit; the construction method essentially utilizes the high-strength reinforcement part and epoxy resin to arrange the reinforcement part into the ancient building unit to be repaired in a buried manner so as to enhance the overall intensity and tenacity of the ancient building unit; if local damage occurs to the ancient building unit, the damaged part is cut off in advance; a material having the same size as the cut is matched with the epoxy resin for repairing the ancient building part jointly; the reinforcement part matched with the epoxy resin is arranged and fixed in the ancient building unit to be repaired in a buried manner without affecting the aesthetics of the appearance, thereby storing the original feature of the ancient building unit.

Description

Be applied to the latent worn-out formula reparation worker method of ancient building member with stiffener

Technical field

The present invention is about a kind of reparation worker method of ancient building member, is meant that especially a kind of stiffener and epoxy resin used is arranged in the ancient building member that desire repairs, to strengthen the latent worn-out formula reparation worker method of ancient building member bulk strength and toughness.

Background technology

By at present domestic in historic site or the historical building reparation experience as can be known; when the ancient building component partial damages; for want of suitable recovery technique; nearly all be to substitute totally; rarely has the pattern of considering to preserve original member; cause quite a lot of the reparation and regretting of not repairing, seriously violate cultural assets and preserve principle.

Holland once developed the member that a cover is called Beta System (also claiming W-E-R) repairs worker's method, and cardinal principle is a gummed power of utilizing epoxy resin (epoxy) with raw material and reinforcement closely in conjunction with to reach the purpose of member reinforcement.And the W-E-R main component is:

W (Wood): wood, original breakage are treated the timber that reinforcement is repaired.

E (Epoxy): epoxy resin comprises resin, hardener, pointing and additive.

R (Reinforcement): reinforcement, adopted wood, iron staff, iron plate, Fiber glass rod etc. respectively according to different development.

This kind restorative procedure all pours into combination with epoxy resin fully with the member engages place, form a rigid joint, it is improper to there is no with regard to Western-style truss-like, but when being applied to the timber frame of China tradition joggle system, then can significantly lose the toughness of original material and framework and the architectural characteristic of semi-rigid joint, and do not have a reversibility, preserve member and the purpose of guaranteeing structural safety, there is no practical application example so far seriously losing.

In all more important reparation cases, because of recovery technique can't overcome, still multithread is in substituting, and principle and purpose are far from each other with preserving, so the restorative procedure of native country member still remains further to be researched and developed.

Inventors etc. are to join hands to study a kind of timber member concealed type restorative procedure based on above background, through propose invention apply for a patent for No. 094103048 cover get permission on record.But, inventors etc. think that the correlation technique of foregoing invention patent not only can be applicable to the ancient building wood members, more can be widely used in the ancient building in modal masonry walls or the ridge, damaged masonry walls or ridge are substituted with new wall or new ridge no longer totally destroy the ancient building original appearance, and new wall or new ridge also can produce same infringement situation in the future, be difficult for preserving, the present invention repairs and effectively permanent reinforcement under to the prerequisite of the minimum disturbance of ancient building, to preserve original style and features of ancient building masonry walls or ridge.

Summary of the invention

The objective of the invention is to, standard according to the cultural assets preservation method, adopt modern science and technology and worker's method, repair the original structure and the outward appearance of traditional architecture member with original or close material concealed type, and the stiffener of mining height intensity, it is disguised and avoid advantage such as ultraviolet ray to take into account intensity, easy construction, tool.Break through the regret of substituting when previously component partial damages, repair, damage to preserve becoming more important for member, reach the benefit of preserving original member of ancient building and pattern in the hidden mode that does not influence outward appearance.

For reaching above-mentioned purpose, the invention provides a kind of latent worn-out formula reparation worker method that is applied to the ancient building member with stiffener, mainly utilize high strength stiffener and epoxy resin, stiffener is arranged in the ancient building member of desire reparation with concealed manner, to strengthen ancient building member bulk strength and toughness, if the ancient building member has local damage, then will engage reparation with the material fit epoxy resin that is equal to the amputation size after the breakage amputation in advance, cooperate epoxy resin to be arranged at stiffener again and be fixed in the ancient building member that desire repairs, repair it in the hidden mode that does not influence outward appearance, use original pattern of preserving the ancient building member.

The present invention has the following advantages:

1, preserve precious cultural member:

If being applied to the precious cultural structure material (if any colored drawing) of historic site or historical building thing repairs; can preserve when avoiding repairing destroyed by secondary because of recovery technique is not enough; to save the member that should not be substituted in the reparation, preservation has contribution and potentiality very much for ancient building.

2, ecological child care:

Based on reparation, will not renew when component partial damages as far as possible, can reduce the felling of forest-tree in a large number, contribution also be arranged for ecological child care.

3, reduce cost:

Chinese juniper wood timber member with 18 centimeters 500 centimeters long of diameters is an example, the new Chinese juniper timber of material cost is 45000 yuan, if fiberboard, epoxy resin and part Chinese juniper wood material expense with restorative procedure of the present invention are 14000 yuan only approximately, be about 1/3rd of renewal cost, can significantly reduce costs.

4, repairing intensity can design:

The present invention is because of the latent close embedding ancient building member of high strength stiffener, it embeds thickness, length and the quantity of stiffener, be all the factor of control design ancient building member bulk strength, this advantage can be improved the ancient building member can't improve intensity under fixed dimension shortcoming.

5, improve ancient building member toughness:

When the ancient building member causes the local failure distortion because of external force or worm corruption, its destruction is deformed into the brittle fracture of no early warning, if through restorative procedure of the present invention, the pulling force side of the hidden embedding ancient building of high strength stiffener member can improve member toughness, can improve the shortcoming that the ancient building member can't improve toughness.

6, avoid the ultraviolet ray irradiation:

Through restorative procedure of the present invention, with concealed type the high strength stiffener is embedded in the ancient building member, can avoid external ultraviolet long-term irradiation and influence it in conjunction with effect.

7, easy construction:

Because of external force or worm corruption, the destruction of causing place gives amputation with the ancient building member in elder generation, embeds the pulling force side of ancient building member again with the high strength stiffener, easy construction.

8, safe:

Through restorative procedure of the present invention, because of the toughness and the design strength that can improve the ancient building member, this point is to change the advantage that green wood can't be reached, so the safety after it is repaired greatly improves.

9, prolong historic site or historical building life-span:

Through restorative procedure of the present invention, can significantly improve safety, can prolong historic site or historical building life-span.

Description of drawings

Fig. 1 represents when the old timber component partial of ancient building damages, and earlier with this breakage amputation, and measures the green lumber schematic diagram of member as an alternative that is equal to the amputation size;

Fig. 2 represents new and old producing wood tongue and groove capitiform is become the schematic diagram at junction surface;

Fig. 3 represents new and old timber to be engaged the schematic diagram that forms the reparation member with the high viscosity cement;

The schematic diagram of the reparation structure manufacture groove after Fig. 4 represents to engage;

Fig. 5, Fig. 6, Fig. 7 are shown in perfusion high viscosity cement in the groove, the high strength stiffener are embedded and is fixed in the schematic diagram of groove;

Fig. 8 represents that this worker method is applied to the schematic diagram of ancient building masonry walls;

Fig. 9 represents that this worker method is applied to the schematic diagram of ancient building ridge member.

The primary clustering symbol description

1 old timber member

2 alternative means

3 local damages place

4 cements

5 grooves

6 stiffeners

The specific embodiment

Epoxy resin used in the present invention belongs to the host and two doses of sclerosis of high viscosity lazy flow, and adhesion strength and weatherability are good; The tension strength and the toughness properties of high strength stiffener are good in addition, acidproof alkali.

Now just the present invention is applied to the implementation step of the latent worn-out formula reparation worker method of the new and old timber member of ancient building with stiffener, and the cooperation illustration is as follows:

Step 1, as shown in Figure 1 when old timber member 1 local damage 3 of ancient building, earlier with this breakage amputation, and is measured the green lumber member 2 as an alternative that is equal to the amputation size;

Step 2, as shown in Figure 2 becomes the junction surface with new and old producing wood tongue and groove capitiform;

Step 3, is as shown in Figure 3 utilized high viscosity cement 4 as epoxy resin new and old timber to be engaged to form and is repaired member;

Step 4, as shown in Figure 4, at least one groove 5 of the reparation structure manufacture behind the joint;

Step 5, as shown in Figure 5, perfusion high viscosity cement 4 in groove 5 will be with respect to the high strength stiffener 6 of groove 5 thickness, width and length as the carbon fiber board embedding and be fixed in this groove 5, as Figure 6 and Figure 7.

Take the fiber material to be that as the reason of stiffener the tensile strength of this modern science and technology high specific strength material is about ten times of steel, that is the fiber material of use small size light weight, can bring into play required design strength, and preferable application property and weather resistance be arranged than steel.

When above-mentioned latent worn-out formula reparation worker method is applied to ancient building masonry walls or ridge member, please cooperates and consult Fig. 8 and shown in Figure 9, its reparation step is as follows:

Step 1, when ancient building masonry walls or ridge member take place as local damages such as cracks, fill up this crack with mortar or new material earlier and form the reparation member;

In step 2, the continuous mortar joint of level above or below repairing member at least one line of rabbet joint is set;

Step 3, cooperate high viscosity cement such as epoxy resin with the setting of high strength stiffener and be fixed in this line of rabbet joint, use this reparation member of reinforcement.

Above-mentioned latent worn-out formula is repaired worker's method when being applied to newly build ancient building masonry walls or ridge member, and it repairs step is that engage agent such as epoxy resin attach the high strength stiffener in the continuous mortar joint of level above or below new block ancient building masonry walls or ridge member.

Claims

1, a kind ofly be applied to the latent worn-out formula reparation worker method of ancient building timber member, it is characterized in that step is with stiffener:

(1) the former timber component partial breakage amputation that desire is repaired, and in amputation face making junction surface;

(2) with new producing wood alternative means of the same race, above-mentioned to replace because of local damage amputation person, and the junction surface that makes relative amputation face in alternative means;

(3) with cement such as epoxy resin with the former timber member of desire reparation and the cemented reparation member that is combined in junction surface of alternative means;

(4) make at least one groove on the member in repairing;

(5) be used epoxy resin, the high strength stiffener is embedded and be fixed in the groove;

By above step, repair and reinforcement ancient building timber member in the hidden mode that does not influence outward appearance.

2, as claimed in claim 1ly be applied to the latent worn-out formula reparation worker method of ancient building timber member with stiffener, it is characterized in that: wherein the junction surface of the former timber member of desire reparation and alternative means can be a kind of male and female tenon combination.

3, as claimed in claim 1ly be applied to the latent worn-out formula reparation worker method of ancient building timber member with stiffener, it is characterized in that: wherein the high strength stiffener can be tabular, cloth shape or the strip material that carbon fiber, glass fiber and polypropylene fiber etc. have fiber composition and intensity, toughness.

4, a kind ofly be applied to the latent worn-out formula reparation worker method of the new and old timber member of ancient building, it is characterized in that step is with stiffener:

(1) at least one groove of the new and old timber structure manufacture of ancient building of repairing in desire;

(2) be used cement such as epoxy resin, the high strength stiffener is embedded and is incorporated in the groove;

By above step, repair and the new and old timber member of reinforcement ancient building in the hidden mode that does not influence outward appearance.

5, new and old timber member concealed type restorative procedure as claimed in claim 4 is characterized in that: wherein the high strength stiffener can be tabular, cloth shape or the strip material that carbon fiber, glass fiber and polypropylene fiber etc. have fiber composition and intensity, toughness.

6, a kind ofly be applied to the latent worn-out formula reparation worker method of ancient building masonry walls or ridge member, it is characterized in that step is with stiffener:

(1) when ancient building masonry walls or ridge member take place as local damages such as cracks, fills up this crack with mortar or new material earlier and form the reparation member;

(2) in the continuous mortar joint of level above or below repairing member at least one line of rabbet joint is set;

(3) cooperate high viscosity cement such as epoxy resin with the setting of high strength stiffener and be fixed in this line of rabbet joint, use this reparation member of reinforcement.

7, as claimed in claim 6ly be applied to the latent worn-out formula reparation worker method of ancient building masonry walls or ridge member with stiffener, it is characterized in that: wherein the high strength stiffener can be tabular, cloth shape or the strip material that carbon fiber, glass fiber and polypropylene fiber etc. have fiber composition and intensity, toughness.

8, a kind of latent worn-out formula reparation worker method that is applied to newly build ancient building masonry walls or ridge member with stiffener, it is characterized in that: repair step and be in the continuous mortar joint of level above or below new block historic site masonry walls or ridge member, engage agent such as epoxy resin attach the high strength stiffener.

9, as claimed in claim 8ly be applied to newly build the latent worn-out formula reparation worker method of ancient building masonry walls or ridge member with stiffener, it is characterized in that: wherein the high strength stiffener can be tabular, cloth shape or the strip material that carbon fiber, glass fiber and polypropylene fiber etc. have fiber composition and intensity, toughness.