CN216587859U

CN216587859U - Wood-clad steel structure for historic building reconstruction

Info

Publication number: CN216587859U
Application number: CN202122994573.9U
Authority: CN
Inventors: 崔琦; 李超; 关怀; 马双燕; 周士佳
Original assignee: CCCC First Highway Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-24
Anticipated expiration: 2031-12-01

Abstract

A wood-clad steel structure for historic building reconstruction comprises a steel bracket and a surface structure wrapped outside the steel bracket; the steel bracket comprises a supporting framework and/or an auxiliary bracket abutted against the supporting framework; the supporting framework is fixedly connected by welding to form a supporting framework of the historic building; the surface layer structure is fixedly arranged on the steel bracket. The supporting framework is made of I-shaped steel or square steel, and the auxiliary support is made of square steel welded on the inner side of the I-shaped steel. The surface layer structure is an anticorrosive wood layer formed by splicing at least two blocks. The wood-clad steel structure can ensure that the appearance of the reconstructed ancient building is the characteristic of the wood-colored costustoot of the ancient building, saves the investment and quickens the construction progress. The method not only ensures the safety, reliability, shock resistance and durability of the reconstructed ancient building structure, but also keeps the original taste and flavor of the ancient building, and effectively combines the traditional ancient building style with the modern building technology.

Description

Wood-clad steel structure for historic building reconstruction

Technical Field

The utility model relates to the technical field of historic building restoration, in particular to a wood-clad steel structure for historic building reconstruction.

Background

Ancient buildings are mostly built by adopting wood structures. The traditional historic building wood bearing structure has the advantages that the bearing and the enclosing structure are divided into definite time, the roof weight is born by the wood frame, and the building arrangement is flexible. The bucket arch and tenon-and-mortise used in the structure of the framework have a plurality of extension spaces, so that the damage to the framework caused by earthquakes can be reduced within a certain limit.

However, with the continuous development of building technology, the requirements for building performance are more and more strict, and the wood structure has the following defects and cannot meet the requirements of modern building specifications: firstly, the bearing capacity of the wooden structure is low, and except for the roof with the shingle structure, the weight of the concrete structure is difficult to bear. Secondly, the wood structure has poor shock resistance and the durability does not meet the corresponding standard requirement; various problems often occur in the use process of the wood structure due to natural or manpower action, and the structure of the wood structure cannot meet the requirements of people on the safety and durability of modern buildings. Thirdly, meeting the requirements of the existing fire fighting aspect; increasingly stringent, wooden structures also have difficulty meeting fire protection requirements. Nowadays, wood resources are increasingly scarce, particularly rare wood is expensive, and a large amount of wood is not environment-friendly and economical. Therefore, the traditional elements, ancient quality and ancient rhyme of the classical architecture are reserved, the classical culture of Chinese characteristics is better reflected, the requirements of modern architecture specifications can be met, and the method is the key point of research, development and attack of the applicant. Adopt reinforced concrete cylinder, square beam structure among the prior art, its outside package wood color plate, though also can rebuild ancient building to a certain extent, but processes such as steel reinforcement cage, cast in situ concrete need be made up to in preparation process to reinforced concrete cylinder or direction, complex operation, there is the time of waiting for concrete setting and later maintenance, delays the time limit for a project, and the ancient building's after the rebuild stability is also relatively poor, decorative effect also is difficult to reach ideal archaize effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a wood-clad steel structure for historic building reconstruction, the structure is simple, the preparation and the operation are easy, the steel and wood combination enhances the rigidity of wood, the deformation resistance is enhanced, the stability of the historic building is improved, and the design appearance of the surface layer of the anticorrosion wood can achieve the antique effect.

The wood-clad steel structure for historic building reconstruction comprises a steel bracket and a surface layer structure wrapped on the outer side of the steel bracket;

the steel bracket comprises a supporting framework and/or an auxiliary bracket abutted against the supporting framework; the supporting framework is fixedly connected by welding to form a supporting framework of the historic building;

the surface layer structure is fixedly arranged on the steel bracket.

Furthermore, the supporting framework is made of I-shaped steel or square steel, and the auxiliary support is made of square steel welded on the inner side of the I-shaped steel.

Furthermore, the surface structure is an anticorrosive wood layer formed by splicing at least two blocks.

Further, the adjacent anticorrosive wood layers are fixedly bonded through white glue.

Further, the surface layer structure is fixed on the I-shaped steel or the square steel through dovetail nails.

Further, the supporting framework comprises a beam framework, a purlin framework and a column framework; the beam framework and the purlin framework are arranged vertically, and the column framework is used for supporting the beam framework; the beam framework and the purlin framework which are contacted are connected through welding, and the purlin framework and the column framework which are contacted are connected through welding.

Furthermore, the beam framework comprises a three-beam framework, a five-beam framework, a following beam framework and a herringbone beam framework, and the three-beam framework, the five-beam framework, the following beam framework and the herringbone beam framework are wrapped with adaptive anticorrosive wood layers;

the purlin framework comprises an upper purlin framework, a lower purlin framework, a ridge purlin framework and an eaves purlin framework, and the outer parts of the upper purlin framework, the lower purlin framework, the ridge purlin framework and the eaves purlin framework are wrapped with adaptive anticorrosive wood layers;

the column framework comprises a gold column framework and a cornice column framework, and the outsides of the gold column framework and the cornice column framework are wrapped with adaptive anticorrosive wood layers;

two ends of the three beam frameworks are welded with the upper purlin framework; two ends of the five-frame beam framework are connected with the lower golden purlin framework through steel support tongues; the girder-following framework is connected with the gold column framework in a welding way; the eaves purlin framework is welded with the eaves column framework;

and the joint of each support framework is wrapped with an anti-corrosion wood layer matched with the structure of the joint.

Furthermore, the middle part of the anticorrosive wood layer wrapped by the three beam frameworks is bonded with a spinal column, and the top of the spinal column is bonded on the surface layer of the ridge purlin wrapped by the ridge purlin framework.

Furthermore, the three-beam framework and the five-beam framework are made of square steel.

Furthermore, the herringbone beam framework is an I-shaped beam and is fixedly connected with square steel.

Compared with the prior art, the utility model has the beneficial effects that:

i-steel is adopted as a supporting framework and square steel is adopted as an auxiliary support, the outer portion of the steel support is wrapped with a corrosion-resistant wood surface layer, a formed wood-clad steel structure has strong anti-deformation capacity, the appearance of the ancient building is shown, the steel and wood are combined to enhance the rigidity of wood, the anti-deformation capacity is enhanced, and the stability of the ancient building after reconstruction is enhanced. Structural problems derived after the wood-clad steel structure is installed are greatly reduced relatively.

Secondly, the supporting framework and the auxiliary support are made of I-shaped steel combined with square steel and are welded or fixed by dovetail nails, so that the operation is simple; the outer portion of the steel bracket is wrapped with a corrosion-resistant wood surface layer, and the dovetail nails are fixed on the I-shaped steel or the square steel in the steel bracket, so that the operation is convenient. In the manufacturing process of the wood-clad steel structure, the time for waiting for drying or maintaining after concrete pouring in the prior art is not needed, the construction period is shortened, and the construction speed is accelerated.

The wood-clad steel structure can ensure that the appearance of the reconstructed ancient building is the characteristic of the wood-colored costustoot of the ancient building, saves investment and quickens construction progress. The method not only ensures the safety, reliability, shock resistance and durability of the reconstructed ancient building structure, but also keeps the original taste and flavor of the ancient building, and effectively combines the traditional ancient building style with the modern building technology.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of a three beam wood-clad steel structure in an embodiment.

Fig. 2 is a schematic diagram of a five-beam wood-clad steel structure in the specific embodiment.

FIG. 3 is a schematic illustration of a beam-on-beam steel-in-wood structure in an embodiment.

FIG. 4 is a schematic cross-sectional view of a herringbone beam wood-clad steel structure in an embodiment.

Fig. 5 is a schematic view of the connection of a spinal column to a three-frame beam in an embodiment.

FIG. 6 is a schematic diagram of a steel-in-wood purlin structure according to an exemplary embodiment.

FIG. 7 is a schematic illustration of a steel-in-post construction in an exemplary embodiment.

FIG. 8 is a schematic structural diagram of the connection of the steel bracket along the junction of the beam and the metal pillar in the embodiment.

In the figure: 1. i-shaped steel; 2. square steel; 3. an anti-corrosion wood layer; 4. dovetail nails; 5. three beams; 6. spinal melon column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The specific embodiment is as follows:

as shown in fig. 1 to 8, the wood-clad steel structure for historic building reconstruction comprises a steel bracket and a surface structure wrapped outside the steel bracket. The steel support includes supporting framework and/or butt in supporting framework's auxiliary stand, and supporting framework passes through welded fastening and connects the braced frame who forms ancient building, and top layer structure fixed mounting is on the steel support.

In this embodiment, the supporting framework is made of i-steel 1 or square steel 2, and the auxiliary support is made of square steel 2 welded to the inner side of the i-steel 1. The surface structure is for the anticorrosive wood layer 3 that the concatenation formed, adopts two, three or four anticorrosive woods to assemble usually, and adjacent anticorrosive wood layer adopts the fixed bonding of white glue to be fixed in on the square steel through forked tail nail 4. Specifically, the anticorrosive wood layer of steel support outside parcel can set up to the individual layer, namely, adopts the anticorrosive wood that one deck thickness is 20mm to just can. Also can set up to the bilayer, adopt the anticorrosive wood that two-layer thickness is 20mm or other thickness promptly, at this moment, be located the anticorrosive wood of inlayer and be fixed in the steel bracket through the forked tail nail on, be located the anticorrosive wood of outer anticorrosive wood through the forked tail nail fixed position in the inlayer.

The supporting framework comprises a beam framework, a purlin framework and a column framework; the beam framework and the purlin framework are arranged vertically, and the column framework is used for supporting the beam framework; the beam framework and the purlin framework which are contacted are connected through welding, and the purlin framework and the column framework which are contacted are connected through welding.

Specifically, the beam frameworks comprise three beam frameworks, five beam frameworks, a following beam framework and a herringbone beam framework, and the outer parts of the beam frameworks are wrapped with adaptive anticorrosive wood layers; the purlin framework comprises an upper purlin framework, a lower purlin framework, a ridge purlin framework and a cornice framework, and an adaptive anticorrosive wood layer is wrapped outside each purlin framework; the post skeleton includes gold post skeleton, eaves post skeleton, and each post skeleton outside all wraps up the anticorrosive wooden layer that has the adaptation.

In this embodiment, three roof beam frameworks adopt the square steel, and the square steel adopts four anticorrosive woods to wrap up outward, and four anticorrosive woods hug closely respectively in the four sides of square steel, and wherein two anticorrosive wood width are longer than two other anticorrosive wood's width, and four anticorrosive woods are fixed in the square steel through the forked tail nail, have formed three roof beams of wood package steel construction, and the anticorrosive wood material is seen in the appearance, and its inside steel skeleton that is has strengthened the steadiness of three roof beams. As shown in fig. 1, the anticorrosive wood layers of the three beams adopt double-layer anticorrosive wood on each side.

Five frame beam skeleton adopt the square steel, the outer left and right sides of square steel and below, as shown in fig. 2, each side all adopts double-deck thickness to wrap up for 20 mm's anticorrosive wood, all hugs closely in the square steel, is fixed in the square steel through the forked tail nail with anticorrosive wood, adopts white cross to bond between the anticorrosive wood, for making anticorrosive billet combine more durable, adopts gas nail fixed connection in anticorrosive wood junction. Because the five-frame beam framework is fixedly connected with the lower golden purlin framework, a T-shaped steel support tongue 5 is welded and connected below the five-frame beam framework, namely the square steel, and the lower end of the steel support tongue penetrates through the anticorrosion wood below the square steel and is finally welded and connected to the lower golden purlin framework. Specifically, the lower purlin framework is made of I-steel, the flange end parts of the I-steel are respectively provided with square steel serving as auxiliary supports in an auxiliary mode, and the outer portion of each square steel is wrapped with anti-corrosion wood; and the T-shaped steel support tongue is welded below the five-beam framework and is welded with a web plate of the I-shaped steel.

The roof of ancient building and the roof of wall junction's roof, its braced frame have four square steel as auxiliary stand in adopting the I-steel welding equally, and braced frame outside parcel has three anticorrosive woods, and adjacent anticorrosive wood is fixed through the white glue bonding and adopt the air nail to strengthen. The beam appearance cuboid columnar order after the parcel, its inside I-steel that is to the supplementary square steel that has improves the tightness of wood package girder steel, and keeps wooden outward appearance pleasing to the eye. Because the top of the wood-plastic composite board is contacted with the following beam or other parts, the top of the wood-plastic composite board is not wrapped by the anti-corrosion wood, so that the wood is saved, and the beauty of the anti-corrosion wood on the visible part of the exterior is maintained. The supporting framework of the following beam of the historic building is the same, four square steels serving as auxiliary supports are welded in I-shaped steel, and as shown in figure 3, a plurality of corrosion-resistant wood are wrapped outside the supporting framework to form a rectangular column-shaped structure; double-layer anticorrosive wood is fixed on the left side, the right side and the lower side of the girder steel support. The herringbone beam of the historic building has a supporting framework which is also an I-shaped steel comprising square steel, and the cross section of the herringbone beam is shown in figure 4, but the overall shape is in a herringbone shape.

In addition, the central part of the anticorrosive wood layer wrapped by the framework of the three beams 5 is adhered with the spinal column 6, and the top of the spinal column 6 is adhered to the surface layer of the anticorrosive wood purlin wrapped by the framework of the purlin by gluing, referring to fig. 5.

In this embodiment, each purlin skeleton, last golden purlin skeleton, lower golden purlin skeleton, ridge purlin skeleton, eaves purlin skeleton promptly are four square steel as the auxiliary stand that have welded in the I-steel, as shown in fig. 6, the outside parcel of each purlin skeleton has four anticorrosive woods, and adjacent anticorrosive wood is through the white glue bonding and adopt the air nail to strengthen fixedly. The purlin outward appearance after the parcel is the cylinder type, and its inside I-steel that is to the supplementary square steel that has improves the tightness of wood package steel purlin, and keeps wooden outward appearance pleasing to the eye.

In this embodiment, each post skeleton gold post skeleton, eaves post skeleton, the outside anticorrosive wooden layer that all wraps up there is the adaptation of each post skeleton. As shown in fig. 7, the main frame or eave column frame is made of i-shaped steel, four square steels serving as auxiliary supports are welded in the i-shaped steel, and the anticorrosion wood wrapped outside the frame is cambered on at least one side, i.e., the wood-clad steel column structure has a horseshoe-shaped cross section or a playground shape with two opposite surfaces being cambered surfaces.

In the embodiment, two ends of the three beam frameworks are welded with the upper golden purlin framework, and two ends of the five beam frameworks are connected with the lower golden purlin framework through the steel support tongues; the girder following framework is connected with the gold column framework in a welding way; the eaves purlin framework is welded with the eaves column framework; namely, the frameworks are connected by welding to form a firm integral support, and the joints of the supporting frameworks are wrapped with anti-corrosion wood layers matched with the structures of the joints. Specifically, at the joint of the lower golden purlin and the following beam, the framework of the lower golden purlin is mutually vertical to the framework of the following beam, the I-steel supporting frameworks of the lower golden purlin are connected by welding, and the I-steel of the following beam is mutually vertical to the I-steel of the golden column and is also connected by welding. In order to make the connection structure more stable, the inclined strut is additionally arranged at the intersection of the beam-following I-steel and the gold pillar I-steel, as shown in fig. 8, the inclined strut is an inclined near-T-shaped steel support tongue, the plane of the steel support tongue is welded with the horizontal beam-following I-steel, and the inclined support leg is welded with the I-steel of the gold pillar, so that a stable triangular support is formed, and the stability of the integral support frame is further enhanced.

The wood-clad steel structure for historic building reconstruction of the embodiment has the following manufacturing procedures:

firstly, welding 40 × 1.5 galvanized steel square steel on the inner side of an I-shaped steel, and firmly welding to obtain a support framework; or the square steel is directly adopted as the supporting framework.

And secondly, treating and welding spots of the square steel and the I-shaped steel by spraying anti-rust paint.

Thirdly, processing the dried pinus sylvestris into a thick plate with the thickness of 20mm in a factory, wherein the length and the shape of the dried pinus sylvestris are processed according to the drawing of historic building reconstruction; and (5) processing a foundation by using pinus sylvestris and polishing.

Fourthly, coating the treated base layer of the pinus sylvestris with an ACQ preservative and a liquid environment-friendly flame retardant for 2 to 3 times.

Fifthly, coating an ACQ preservative and a liquid environment-friendly flame retardant, drying in the air, and fixing the dried preservative wood on the galvanized square steel by using a dovetail nail; the anticorrosion wood joint is bonded by white glue and fixed by a 50-gun nail.

Sixthly, processing finished products of the roof purlines and the upright columns by manufacturers to hold the I-shaped steel, and fixing the finished products on the welded galvanized square tube by using dovetail nails; the white glue of the anticorrosion wood joint is fixed by a 50-gun nail.

Step seven, round rafters: the round rafters with the diameter of 80mm, which are processed in factories, are firmly fixed on the round purlins by self-tapping screws; and (4) fixing round rafters by using a 50-gun nail through 45-degree white glue bonding.

Step eight, telescoping: and (4) fully paving the camphor pine anti-corrosion wood board with the thickness of 15mm after the round rafters are constructed.

Ninth, three beams and five beams are erected: the galvanized rectangular steel (200X 250X 6; 200X 300X 6) is wrapped with double-layer anticorrosive wood with the thickness of 20mm, the anticorrosive wood is prefabricated and processed by a manufacturer, and is fixed on a steel bracket by using hexagonal dovetail nails, and joints of the anticorrosive wood are fixed by using 50-gun nails for bonding white glue;

step ten, herringbone beam: welding 40 × 1.5 galvanized steel square tubes on the inner side of the I-shaped steel; welding square steel and I-steel welding spots and spraying antirust paint; drying a 20mm thick plate of pinus sylvestris, processing a base layer, and coating an ACQ preservative and a liquid environment-friendly flame retardant for 2-3 times; fixing the dried anticorrosion wood on the galvanized square steel with 40 × 1.5 by using dovetail; the white glue of the anticorrosion wood joint is fixed by a 50-gun nail.

The wood-clad steel structure in this embodiment makes full use of the advantages of the steel structure, accelerates the construction speed of the structure, reduces the wood consumption, is green and environment-friendly, and simultaneously, all materials and accessories are manufactured by the same manufacturer, and accelerates the speed of historic building reconstruction. The wood-clad steel structure can ensure that the appearance of the reconstructed ancient building is the characteristic of the wood-colored costustoot of the ancient building, saves the investment and quickens the construction progress. The method not only ensures the safety, reliability, earthquake resistance and durability of the rebuilt ancient building structure, but also keeps the original taste and flavor of the ancient building, and effectively combines the traditional ancient building style with the modern building technology.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wood package steel construction for ancient building is rebuild which characterized in that: the wood-clad steel structure for historic building reconstruction comprises a steel bracket and a surface layer structure wrapped on the outer side of the steel bracket;

the surface layer structure is fixedly arranged on the steel bracket.

2. The wood-clad steel structure for historic building reconstruction of claim 1, wherein: the supporting framework is made of I-shaped steel or square steel, and the auxiliary support is made of square steel welded on the inner side of the I-shaped steel.

3. The wood-clad steel structure for historic building reconstruction of claim 1, wherein: the surface layer structure is an anticorrosive wood layer formed by splicing at least two blocks.

4. The wood-clad steel structure for historic building reconstruction of claim 3, wherein: and the adjacent anticorrosive wood layers are fixedly bonded through white glue.

5. The wood-clad steel structure for historic building reconstruction of claim 2, wherein: the surface layer structure is fixed on the I-shaped steel or the square steel through dovetail nails.

6. The wood-clad steel structure for historic building reconstruction of claim 1, wherein: the supporting framework comprises a beam framework, a purlin framework and a column framework; the beam framework and the purlin framework are arranged vertically, and the column framework is used for supporting the beam framework; the beam framework and the purlin framework which are contacted are connected through welding, and the purlin framework and the column framework which are contacted are connected through welding.

7. The wood-clad steel structure for historic building reconstruction of claim 6, wherein: the beam framework comprises a three-frame beam framework, a five-frame beam framework, a following beam framework and a herringbone beam framework, and the three-frame beam framework, the five-frame beam framework, the following beam framework and the herringbone beam framework are wrapped with adaptive anticorrosive wood layers;

8. The wood-clad steel structure for historic building reconstruction of claim 7, wherein: the middle part of the anticorrosive wood layer wrapped by the three beam frameworks is bonded with the ridge column, and the top of the ridge column is glued on the surface layer of the ridge purlin wrapped by the ridge purlin framework.

9. The wood-clad steel structure for historic building reconstruction as recited in claim 7, wherein: the three-beam framework and the five-beam framework are made of square steel.

10. The wood-clad steel structure for historic building reconstruction of claim 7, wherein: the herringbone beam framework is an I-shaped beam and is fixedly connected with square steel.