CN216840766U - Earthquake-resistant reinforcing system for wooden structure historic building - Google Patents
Earthquake-resistant reinforcing system for wooden structure historic building Download PDFInfo
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- CN216840766U CN216840766U CN202122784659.9U CN202122784659U CN216840766U CN 216840766 U CN216840766 U CN 216840766U CN 202122784659 U CN202122784659 U CN 202122784659U CN 216840766 U CN216840766 U CN 216840766U
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Abstract
The utility model discloses a wood structure ancient building earthquake-resistant reinforcing system, which comprises: an external reinforcement device, the external reinforcement device comprising: the external foundation is constructed on the outer side surfaces of two ends of the wooden structure ancient building in the length direction; the external steel skeleton is two, and each external steel skeleton is arranged on the outer side surfaces of two ends of the timber structure ancient building in the length direction at intervals in parallel and is connected with the corresponding external foundation; and the external connecting steel beam is connected between the wood structure ancient building and each external steel skeleton. The utility model can improve the seismic performance, the overall strength, the structural stability, the resistance to horizontal force and the bearing capacity of the wooden ancient building.
Description
Technical Field
The utility model relates to the field of wood structure ancient building repair, in particular to a wood structure ancient building earthquake-resistant reinforcing system.
Background
The wooden structure ancient building is used as an important component of the historical building culture of China, wherein the wooden structure ancient building is used as a main structure system of the Chinese ancient building, is widely applied to buildings such as palace, temple, residents, attic and the like, is the evidence of historical development and the expression of national culture deterioration, and is a nonrenewable cultural resource and a historical heritage. The existing wood structure ancient buildings are naturally and artificially damaged in history transmission due to long-term construction, and are in different damage states due to factors such as unfavorable protection, long-term overhaul and the like for years, so that the existing wood structure ancient buildings are urgently repaired and reinforced. However, the existing wooden structure ancient building reinforcing technology mainly lies in that wooden components and joint connection reinforcing are more, on one hand, the combined structures such as steel and wood are adopted to repair and replace the wooden components in the original structure, and on the other hand, the traditional reinforcing method is adopted to carry out structural reinforcing, such as steel plate wrapping, section enlarging, fulcrum adding, carbon fiber cloth pasting reinforcing and the like. The method has obvious effect on improving the bearing capacity and the safety performance of the wooden structure historic building, but has small contribution to the overall stability and the earthquake resistance of the wooden structure historic building.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a wood structure ancient building earthquake-resistant reinforcing system so as to solve the problems of poor earthquake-resistant performance and poor overall stability in the reinforcing and repairing construction of the traditional wood structure ancient building.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a timber structure ancient building antidetonation reinforcerment system, includes outside reinforcing apparatus, outside reinforcing apparatus includes:
the external foundation is constructed on the outer side surfaces of two ends of the wooden structure ancient building in the length direction;
the external steel skeleton is two, and each external steel skeleton is arranged on the outer side surfaces of two ends of the timber structure ancient building in the length direction at intervals in parallel and is connected with the corresponding external foundation;
and the external connecting steel beam is connected between the wood structure ancient building and each external steel skeleton.
Furthermore, each external steel skeleton of the earthquake-resistant reinforcing system for the wooden structure ancient buildings provided by the utility model comprises a plurality of external steel upright posts and external steel beams connected among the plurality of external steel upright posts.
Furthermore, according to the earthquake-resistant reinforcing system for the wooden structure historic building, the distribution positions of the external steel columns of the external steel skeleton correspond to the distribution positions of the existing columns of the wooden structure historic building.
Furthermore, according to the earthquake-resistant reinforcing system for the wooden structure historic building, the height of the external steel beam positioned at the lowest part of the external steel skeleton is not lower than that of the existing beam positioned at the lowest part of the wooden structure historic building.
Furthermore, the external steel beams of the external steel skeleton of the earthquake-resistant reinforcing system for the wooden historic building are at least two layers.
Furthermore, when the roof of the wooden structure ancient building is a slope surface, the number of the external steel beams of the external steel framework is at least one, and external oblique steel beams with the same gradient as the roof of the wooden structure ancient building are connected between the upper ends of the external steel upright columns of the external steel framework.
Furthermore, according to the earthquake-resistant reinforcing system for the wood structure historic building, the external connecting steel beam is welded with the wood structure historic building through a steel part embedded in the wood structure historic building, or the part of connecting steel beam is connected with the wood structure historic building through a fastener bolt arranged on the wood structure historic building.
Further, the earthquake-resistant reinforcing system for the wooden structure historic building provided by the utility model also comprises an internal reinforcing device parallel to the external reinforcing device, wherein the internal reinforcing device comprises:
The internal foundation is constructed inside the wood structure ancient building;
the internal steel skeleton is at least one, each internal steel skeleton is parallel to the external steel skeleton and arranged inside the wood-structure ancient building, and the internal steel skeleton is connected with the internal foundation;
and the internal connecting steel beam is connected between the wood structure ancient building and each internal steel frame.
Furthermore, the internal steel skeleton of the earthquake-resistant reinforcing system for the wooden ancient building provided by the utility model is at least one, and each internal steel skeleton comprises a plurality of internal steel upright posts and internal steel cross beams connected among the plurality of internal steel upright posts.
Furthermore, according to the earthquake-resistant reinforcing system for the wooden structure historic building, the distribution positions of the internal steel columns of the internal steel framework correspond to the distribution positions of the existing columns of the wooden structure historic building.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an earthquake-resistant reinforcing system for a wood structure historic building, which is characterized in that an external foundation and external steel frameworks connected with the external foundation are constructed on the outer side surfaces of two ends of the wood structure historic building in the length direction, and the external steel frameworks are connected with the wood structure historic building through external connecting steel beams, so that an external reinforcing device consisting of the external foundation, the external steel frameworks and the external connecting steel beams is formed. After the external connection girder steel through outside reinforcing apparatus is connected outside steel skeleton and timber structure ancient building, make outside reinforcing apparatus and timber structure ancient building form wholly, thereby effectively consolidated timber structure ancient building in the periphery, because outside steel skeleton connects on outside ground, the reliability and the stability that outside steel skeleton is connected have been improved, then outside reinforcing apparatus has improved timber structure ancient building's lateral rigidity and overall stability, thereby timber structure ancient building's anti-seismic performance has been improved, the resistance and the bearing capacity of bulk strength and level to the power.
Drawings
FIG. 1 is a perspective view of a wooden historic building;
FIG. 2 is a schematic perspective structural view of a wooden historic building and an earthquake-resistant reinforcing structure thereof;
FIG. 3 is a schematic side view of a timber structure historic building and its seismic reinforcing structure;
FIG. 4 is a schematic structural view of a wooden ancient building and its seismic reinforcing structure from the front;
FIG. 5 is a schematic top view of a timber structure historic building and its seismic reinforcing structure;
FIG. 6 is a side view schematic structural view of a timber structure historic building earthquake-resistant reinforcement system;
FIG. 7 is a schematic side view of another embodiment of a timber structure historic building and an earthquake-resistant reinforcing structure thereof;
FIG. 8 is a schematic side view of another embodiment of a timber structure historic building seismic reinforcement system;
shown in the figure:
100. an external reinforcement device;
110. an external foundation;
120. an outer steel upright;
130. an outer steel cross-beam;
140. externally connecting a steel beam;
150. an outer diagonal steel beam;
200. the wooden structure ancient building comprises 210 existing upright posts, 220 existing cross beams;
300. a ground plane;
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures: the advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
Referring to fig. 1 to 6, an embodiment of the present invention provides an earthquake-resistant reinforcing system for a wooden historic building, which includes an external reinforcing apparatus 100, wherein the external reinforcing apparatus 100 includes an external foundation 110, an external steel skeleton, and an external connecting steel beam 140. Wherein the external foundation 110 is constructed on the outer side surfaces of both ends of the wooden structure historic building 200 in the length direction; the external steel skeleton is two, each external steel skeleton is arranged on the outer side surfaces of two ends of the wood structure ancient building 200 in the length direction at intervals in parallel and is connected with the corresponding external foundation 110, and each external steel skeleton comprises a plurality of external steel upright posts 120 and external steel cross beams 130 connected among the plurality of external steel upright posts 120; wherein the external connection steel beam 140 is connected between the wood-structured ancient building 200 and each of the external steel frameworks. Wherein the external connection steel beam 140 and the wooden structure historic building 200 can be welded through a steel member embedded in the wooden structure historic building, or the external connection steel beam 140 and the wooden structure historic building 200 are connected through a fastener bolt arranged on the wooden structure historic building.
Referring to fig. 1 to 6, a first embodiment of the present invention further provides a method for earthquake-resistant strengthening of a wood structure ancient building, which may include the following steps:
And step 410, constructing external foundations 110 on the outer side surfaces of the two ends of the wooden structure historic building 200 in the length direction. Where the outer foundation 110 is located below the ground plane 300. The X direction in fig. 2 is the length direction of the wooden structure historic building 200, wherein only the part above the ground level 300 is illustrated in fig. 1 and 2.
Step 420, constructing external steel frameworks on the outer side surfaces of the two ends of the wood-structure historic building 200 in the length direction, and connecting the external steel frameworks with the external foundation 110 to enable the external steel frameworks to be spaced from the two ends of the wood-structure historic building 200 in the length direction in parallel. The external steel skeleton is two, and each external steel skeleton includes a plurality of external steel columns 120 and an external steel beam 130 connected between the plurality of external steel columns 120.
Step 430, connecting the external steel skeleton with the wooden historic building 200 through the external connecting steel beam 140. Wherein, the existing crossbeam or existing stand of timber structure ancient building 200 can set up the steel staple bolt or imbed reinforcing bar, girder steel, bolt etc. also can set up the bolt on the external connection girder steel 140 to weld or bolted connection, also can adopt the connected mode of other well-known techniques with timber structure ancient building 200 with external connection girder steel 140.
Referring to fig. 2 to 6, in an earthquake-resistant reinforcing system and method for a wood-structure historic building according to an embodiment of the present invention, an external foundation 110 and an external steel skeleton connected thereto are constructed on outer side surfaces of two ends of a wood-structure historic building 200 in a length direction, and the external steel skeleton is connected to the wood-structure historic building 200 through an external connecting steel beam 140, so as to form an external reinforcing apparatus 100 composed of the external foundation 110, the external steel skeleton and the external connecting steel beam 140. After external connection girder steel 140 through outside reinforcing apparatus 100 is connected outside steel skeleton and timber structure ancient building 200, make outside reinforcing apparatus 100 and timber structure ancient building 200 form wholly, thereby effectively consolidated timber structure ancient building 200 in the periphery, because outside steel skeleton connects on outside ground 110, the reliability and the stability that outside steel skeleton is connected have been improved, then outside reinforcing apparatus 100 has improved timber structure ancient building 200's lateral rigidity and overall stability, thereby the anti-seismic performance of timber structure ancient building 200 has been improved, the resistance and the bearing capacity of bulk strength and level to power. That is to say, the horizontal force of overall structure resistance after consolidating is mainly born by the outside steel stand of outside steel skeleton, and outside steel crossbeam and timber structure ancient building 200's existing crossbeam has formed the overall structure of integration through connecting girder steel 140 in the outside steel skeleton moreover, has both strengthened timber structure ancient building 200's lateral rigidity and overall stability to improve anti-seismic performance, also had certain improvement to timber structure ancient building's intensity and bearing capacity simultaneously.
Referring to fig. 2, in the earthquake-resistant reinforcing system and method for a wood structure historic building according to the embodiment of the present invention, the external steel skeleton and the external connecting steel beam are hidden at the outer side positions of the two ends of the wood structure historic building 200 in the length direction, so that the original features of the wood structure historic building 200 are maintained.
In order to further improve the earthquake resistance and the overall stability of the wood structure historic building 200, the earthquake resistance and strengthening system for the wood structure historic building provided by the first embodiment of the utility model can further comprise an internal strengthening device parallel to the external strengthening device 100, wherein the internal strengthening device comprises: an internal foundation constructed inside the wooden structure ancient building 200 in parallel to the external foundation 110; the internal steel skeleton is at least one, each internal steel skeleton is parallel to the external steel skeleton and arranged inside the wooden ancient building 200, the internal steel skeleton is connected with the internal foundation, and each internal steel skeleton comprises a plurality of internal steel upright posts and internal steel cross beams connected among the plurality of internal steel upright posts; and the internal connecting steel beams are connected between the wooden ancient building 200 and each internal steel frame. I.e., the internal reinforcing apparatus may have the same structure as the external reinforcing apparatus 100.
In order to further improve the seismic performance and the overall stability of the wood structure historic building 200, the seismic strengthening method for the wood structure historic building provided by the embodiment of the utility model can further comprise the following steps:
and 440, constructing an internal steel skeleton in parallel to the external steel skeleton in the wood-structure historic building 200.
And 450, constructing an internal foundation below the internal steel skeleton to connect the internal steel skeleton and the internal foundation. The internal steel skeleton is at least one, and each internal steel skeleton comprises a plurality of internal steel upright posts and internal steel beams connected among the internal steel upright posts.
Step 460, connecting the internal steel skeleton with the wooden historic building 200 through the internal connecting steel beam. The connection of the internal connection steel beam to the wooden structure historic building 200 can be performed by the connection of the external connection steel beam 140 to the wooden structure historic building 200.
Through the internal reinforcing device and the method thereof, the internal of the wooden structure historic building 200 can be subjected to earthquake-resistant reinforcing construction, so that the wooden structure historic building 200 is reinforced in the internal, the combination of the internal reinforcing device and the external reinforcing device 100, namely, the lateral rigidity and the overall stability of the whole internal and external parts of the wooden structure historic building 200 are improved through the steps 410 to 460, and the earthquake-resistant performance, the overall strength and the resistance and the bearing capacity of the horizontal force of the wooden structure historic building 200 are further improved. The overall enhancement of the seismic performance and the overall stability of the wooden structure historic building 200 is realized. Wherein the internal reinforcing means is particularly suitable for continuous wooden structure historic buildings that are long in the X direction of the wooden structure historic building 200.
Referring to fig. 2 to 3, in order to maintain the original appearance of the wood-structure historic building 200 to the maximum, in an earthquake-resistant reinforcing system for a wood-structure historic building according to an embodiment of the present invention, the distribution position of the external steel columns 120 of the external steel skeleton corresponds to the distribution position of the existing columns 210 of the wood-structure historic building 200. And the distribution positions of the internal steel columns of the internal steel skeleton may also correspond to the distribution positions of the existing columns 210 of the wooden historic building 200. This kind of distribution position mode, outside steel stand 120 and inside steel stand do not all occupy the space between the existing stand 210 of timber structure ancient building 200, avoid being sheltered from and influence timber structure ancient building 200's ventilation, illumination and passageway current etc. avoid occupying other positions and influence timber structure ancient building 200's original physiognomy.
Referring to fig. 2 to 3, in order to maintain the original appearance of the wooden historic building to the maximum, in the earthquake-resistant reinforcing system for the wooden historic building according to the embodiment of the present invention, the height of the external steel beam 130 of the external steel skeleton located at the lowest position is not lower than the height of the existing beam 220 of the wooden historic building 200 located at the lowest position. I.e. not lower than, including equal to and higher than, wherein the Z direction is the height direction. Of course, the height of the internal steel beam below the internal steel skeleton may not be lower than the height of the existing beam 220 at the lowest position of the wooden historic building 200. So as to avoid the height of the external steel beam 130 and the internal steel beam lower than that of the existing beam 220, and reduce the overall lifting height of the wooden ancient building 200. To inside steel skeleton, also can the segmentation setting between adjacent existing stand 210, every section inside steel skeleton can be the door type this moment, wherein the inside steel crossbeam of door type can be slightly less than the existing crossbeam 220 of lowest department, the inside steel stand of the inside steel skeleton of this kind of scheme can not occupy existing stand 210 side space, but with existing stand 210 on same straight line, this kind of mode has reduced the holistic height of lifting in timber structure ancient building 200 house, because it is very little to reduce the distance, so can ignore.
Referring to fig. 2 to 3 and fig. 6, in order to ensure the structural stability of the external steel skeleton and the internal steel skeleton, in the earthquake-resistant reinforcing system for wooden historic building according to an embodiment of the present invention, the external steel beam 130 has at least two layers, and the number of layers of the internal steel beam is more than two layers. The outer 130 and inner 130 steel beams at the top layer may not be the same height. The term "above" in the examples of the present invention includes the instant numbers unless otherwise specified. The external steel column 120 of the external steel skeleton and the internal steel column of the internal steel skeleton may be a whole column or assembled by multiple steel columns. The external steel beam 130 of the external steel skeleton and the internal steel beam of the internal steel skeleton are assembled by multiple sections of steel beams. The inner and outer steel columns, the inner and outer steel crossbeams and the inner and outer connecting steel beams can be tubular parts such as square steel pipes and round steel pipes, can also be columnar parts, and can also be other section steels such as channel steel.
In order to improve the maintenance of the structural stability of the external reinforcing device 100 and to form the same architectural style as the wood-structured ancient building 200, a gable of the wood-structured ancient building 200 may be formed by building a brick wall on the external reinforcing device 100 to wrap the external reinforcing device 100 inside the gable. It is also possible to construct a brick wall on the outer side of the external reinforcing device 100 to form a gable wall so as to shield the external reinforcing device 100 therein.
Example two
Referring to fig. 7 to 8, in order to avoid the external steel framework from being exposed outside the wood-structure historic building 200 to affect the visual appearance of the wood-structure historic building 200, according to the earthquake-resistant reinforcing system and method for the wood-structure historic building 200 provided by the second embodiment of the present invention, when the roof of the wood-structure historic building 200 is a slope, at least one layer of the external steel beams 130 of the external steel framework is provided, and an external oblique steel beam 150 having the same gradient as the roof of the wood-structure historic building 200 is connected between the upper ends of the external steel columns 120 of the external steel framework. The oblique steel beam 150 can keep consistent with the slope of the wood structure historic building 200, so that the original appearance of the wood structure historic building 200 is kept to the maximum extent, and the purpose of improving the anti-seismic performance and the overall stability is achieved. Compared with the first embodiment, in the first embodiment of the present invention, the external oblique steel beam 150 is kept consistent with the roof slope of the wood structure historic building 200 having a slope, so that the external reinforcing apparatus 100 is kept consistent with the wood structure historic building 200 in appearance, the building structure form and the original appearance of the wood structure historic building 200 are maintained to the maximum extent, and the influence of the appearance of the external steel skeleton on the building effect of the wood structure historic building 200 is avoided.
The earthquake-resistant reinforcing system and method for the wood structure historic building 200 provided by the embodiment of the utility model are not only suitable for the dudou wood structure historic building 200 on the double-slope roof, but also suitable for the dudou wood structure historic building 200 on the single-slope roof and the single-layer wood structure historic building 200 in other structural forms.
According to the earthquake-resistant reinforcing system and method for the wooden structure historic building 200 provided by the embodiment of the utility model, from the structural stress angle, the lateral rigidity is determined by the steel upright posts, and the steel cross beams provide overall stability. Therefore, the section size of the steel member formed by the steel frameworks can be obtained by the overall anti-seismic checking calculation of the structure. The method comprises the following specific steps:
the first step is as follows: according to the theory related to structural design, the steel framework is preliminarily designed by combining the size of the existing column of the actual wood structure. The side length of the section of the steel upright post is designed to be slightly larger than the long side or the diameter of the existing upright post of the wood structure preliminarily; the short side of the section of the steel beam does not exceed the side length of the steel column, and the section h/b (height-to-width ratio) is 1.5-3;
the second step is that: and (3) according to the steel skeleton formed by the section designed in the step one, after the steel skeleton is connected with the reinforced wood structure ancient building, establishing an actual structure model, and checking and calculating the earthquake resistance through structure calculation software to determine whether the earthquake resistance accords with earthquake resistance indexes.
The third step: judging, if meeting the anti-seismic index, designing a reasonable section; if the building modulus does not meet the requirement, increasing the section of the steel column, or the section of the beam, or connecting the steel beam and the like according to the building modulus, and then checking the calculation until the indexes are met.
According to the earthquake-resistant reinforcing system and method for the wooden structure historic building 200 provided by the embodiment of the utility model, the arrangement height of the steel upright in each steel skeleton corresponds to the height of the existing upright 210 of the wooden structure historic building 200, and the steel cross beam below each steel skeleton mainly improves the overall rigidity of the steel skeleton and forms a closed whole after being connected with the wooden structure historic building 200, and has the effect similar to a ring beam, so that the aims of improving the overall strength and the structural stability of the wooden structure historic building 200 and further improving the earthquake-resistant performance of the wooden structure historic building 200 are fulfilled.
The present invention is not limited to the above-described specific embodiments, and it is apparent that the above-described embodiments are some, not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model. Other levels of modification and variation of the present invention may be made by those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims.
Claims (10)
1. The utility model provides a timber structure ancient building antidetonation reinforcerment system which characterized in that, including outside reinforcing apparatus, outside reinforcing apparatus includes:
the external foundation is constructed on the outer side surfaces of two ends of the wooden structure ancient building in the length direction;
the external steel skeleton is two, and each external steel skeleton is arranged on the outer side surfaces of two ends of the wood structure ancient building in the length direction at intervals in parallel and connected with the corresponding external foundation;
and the external connecting steel beam is connected between the wood structure ancient building and each external steel frame.
2. An earthquake-resistant reinforcing system for wooden ancient buildings according to claim 1, wherein each external steel skeleton comprises a plurality of external steel upright posts and external steel cross beams connected among the plurality of external steel upright posts.
3. An earthquake-resistant reinforcing system for a wooden structure ancient building according to claim 2, wherein the distribution positions of the external steel columns of the external steel skeleton correspond to the distribution positions of the existing columns of the wooden structure ancient building.
4. An earthquake-resistant reinforcing system for wooden structure historic buildings according to claim 2, wherein the height of the external steel beam positioned at the lowest part of the external steel skeleton is not lower than that of the existing beam positioned at the lowest part of the wooden structure historic building.
5. An earthquake-resistant reinforcing system for an ancient wood structure building according to claim 2, wherein the external steel beams of the external steel skeleton are at least two layers.
6. An earthquake-resistant reinforcing system for wooden historic buildings according to claim 2, wherein when the roof of the wooden historic building is a slope, the number of the external steel beams of the external steel skeleton is at least one layer, and an external oblique steel beam with the same gradient as the roof of the wooden historic building is connected between the upper ends of the external steel columns of the external steel skeleton.
7. An earthquake-resistant reinforcing system for a wood structure historic building according to claim 1, wherein the external connecting steel beam is welded with the wood structure historic building through a steel member embedded in the wood structure historic building, or the part of the connecting steel beam is connected with the wood structure historic building through a fastener bolt arranged on the wood structure historic building.
8. A timber structure ancient building antidetonation reinforcment system of claim 1, characterized in that, still includes parallel to the outside reinforcing apparatus inside reinforcing apparatus, includes:
the internal foundation is constructed inside the wooden structure ancient building;
the internal steel skeleton is at least one, each internal steel skeleton is parallel to the external steel skeleton and arranged inside the wooden ancient building, and the internal steel skeleton is connected with the internal foundation;
And the internal connecting steel beam is connected between the wooden structure ancient building and each internal steel skeleton.
9. An earthquake-resistant reinforcing system for wooden ancient buildings according to claim 8, wherein the internal steel skeleton is at least one, and each internal steel skeleton comprises a plurality of internal steel columns and internal steel beams connected among the plurality of internal steel columns.
10. An earthquake-resistant reinforcing system for a wooden structure ancient building according to claim 8, wherein the distribution positions of the internal steel columns of the internal steel skeleton correspond to the distribution positions of the existing columns of the wooden structure ancient building.
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