CN109914847A - A kind of ancient masonry pagoda foundation replacement damping device and its implementation method - Google Patents
A kind of ancient masonry pagoda foundation replacement damping device and its implementation method Download PDFInfo
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- CN109914847A CN109914847A CN201910234210.XA CN201910234210A CN109914847A CN 109914847 A CN109914847 A CN 109914847A CN 201910234210 A CN201910234210 A CN 201910234210A CN 109914847 A CN109914847 A CN 109914847A
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Abstract
The invention discloses a kind of ancient masonry pagoda foundation replacement damping device and its implementation methods, including foundation underpinning top plate beam, shock mount and the foundation underpinning floor beams being successively set below ancient tower ground, shock mount is fixedly mounted between foundation underpinning top plate beam and foundation underpinning floor beams；Shock mount includes damper, and is fixed at the steel plate of damper upper and lower end face；Foundation underpinning top plate beam and foundation underpinning floor beams are to be arranged in below ancient tower ground and the concave character type structure in outside, shock mount is uniformly arranged between foundation underpinning top plate beam and the horizontal direction of foundation underpinning floor beams and between side, so that playing cushioning effect to ancient tower ground in three directions, it can guarantee the stability of ancient building, improve the bearing capacity of ground, improve the shock resistance of building structure, and shock mount can be replaced, the long service life of whole device, anti- low cycle fatigue property, acid resistance and alkali resistance are able to satisfy the requirement of ancient tower building protection.
Description
Technical field
The invention belongs to heritage buildings damping reinforcement technical fields, are related to a kind of ancient masonry pagoda foundation replacement damping device,
Further relate to the implementation method of the device.
Background technique
Ancient masonry pagoda belongs to non-reinforced masonry structure, for its structure and material performance, has good durability and good
Good chemical stability and air stability, there is good thermal and insulating performance, saves cement and steel compared with reinforced concrete structure
Material, when masonry, are not required to template and special technical equipment, can save timber.The shortcomings that masonry structure, is held from great, volume is big
Easily cause foundation deformation, and due between brick, stone, building block and mortar cohesive force it is weaker, the tension of non-reinforced masonry, bending resistance and
Shearing strength is all very low, is unfavorable for building structure aseismatic.Therefore the bearing capacity of ancient masonry pagoda foundation, structural integrity, dynamic
Power stability is particularly important the safety of structure, reinforces so carrying out foundation stabilization to ancient masonry pagoda and just becoming ancient tower structure
Key.
The method of foundation stabilization is changed at present and fills out bed course, precompressed ground, rammed subgrade and compacting foundation, compound
Base, grouting and reinforcing and mini pile reinforcing etc., but the particular/special requirement by Preservation of cultural building relics, and there is ground in most ancient tower bottoms
Palace does not allow to carry out compared with large disturbances or irreversible reparation original structure.Therefore, engineering is protected in the repairerment of part ancient masonry pagoda
In, the stability that foundation underpinning technology improves ancient tower structure can be used, as Suzhou Hu Qiuta, Xi'an Wanshousi tower are repaired, Taiyuan forever
Although the renovation projects such as blessing temple The East Pagoda, such method effectively protect the stability problem of ancient masonry pagoda structure and improve
The bearing capacity of ground but cannot thoroughly solve ancient masonry pagoda structure to the sensitlzing effect of geological process, and under geological process
Destroy it is more serious, the problem of poor seismic behavior, ground is easily deformed.Therefore, less while in order to guarantee that structure is safe to disturb
Dynamic original structure, needs to inquire into that a kind of new technology is effective solves the problems, such as ground poor seismic behavior.
Summary of the invention
The object of the present invention is to provide a kind of ancient masonry pagoda foundation replacement damping devices, solve existing in the prior art
Ancient masonry pagoda structure is to the sensitlzing effect of geological process, and more serious, poor seismic behavior, ground are destroyed under geological process
The problem of being easily deformed.
It is a further object of the present invention to provide a kind of implementation methods of ancient masonry pagoda foundation replacement damping device.
The technical scheme adopted by the invention is that a kind of ancient masonry pagoda foundation replacement damping device, including be successively set on
Foundation underpinning top plate beam, shock mount and foundation underpinning floor beams, shock mount below ancient tower ground are fixedly mounted on basis
It underpins between top plate beam and foundation underpinning floor beams；Shock mount interval is uniformly arranged on bottom surface and the base of foundation underpinning top plate beam
Plinth underpins between the upper surface of floor beams and between foundation underpinning top plate beam and the surrounding side of foundation underpinning floor beams.
The features of the present invention also characterized in that foundation underpinning top plate beam is fixedly mounted on the lower end Gu Ta, foundation underpinning top plate beam is cut
Face is in concave character type；Foundation underpinning floor beams are mounted in ancient tower ground, and foundation underpinning floor beams are located under foundation underpinning top plate beam
Portion, foundation underpinning bottom plate beam section are in concave character type.
The width and depth of foundation underpinning floor beams are greater than foundation underpinning top plate beam.
Between foundation underpinning top plate beam and the horizontal direction of foundation underpinning floor beams and between each side all at least between
Every being uniformly arranged, there are three shock mounts.
Shock mount includes damper, the affixed steel plate in damper upper and lower end face.
Steel plate on shock mount is solid by anchor bolt between foundation underpinning top plate beam, foundation underpinning floor beams respectively
It is fixed to be connected.
Steel plate on shock mount is respectively between foundation underpinning top plate beam, foundation underpinning floor beams by being uniformly distributed
Eight anchor bolts be fixedly linked.
Another technical solution of the invention is a kind of implementation method of ancient masonry pagoda foundation replacement damping device, specific to walk
It is rapid as follows:
Step 1, it carries out basis to widen, using reinforced anchor bolt as connecting, carries out the processing work of original base in the pre-connection
Make, to original base carry out dabbing, scrub, and spread one layer of high grade grout layer, make widened section and original base at
It is integrated；
Step 2, foundation underpinning is carried out, is digged pit below building, structures, then casting concrete, base is made
Plinth underpins top plate beam；
Step 3, foundation underpinning floor beams are made in the parallel beneath position of foundation underpinning top plate beam；
Step 4, damping is installed between foundation underpinning top plate beam and foundation underpinning floor beams horizontal direction and between side
Shock mount, foundation underpinning top plate beam and foundation underpinning floor beams are fixedly connected by support using anchor bolt, complete brick
Stone Gu tower foundation underpins the installation of damping device.
The beneficial effects of the present invention are: the present invention solves ancient masonry pagoda structural seismic performance existing in the prior art
Difference, ground are easily deformed, and more serious problem is destroyed under geological process, pass through foundation underpinning top plate beam and foundation underpinning bottom
Plate-girder reinforces ancient tower original structure ground, and increases foundation width, in foundation underpinning top plate beam and foundation underpinning floor beams
Shock mount is installed between horizontal direction and between side, can not only guarantee the stability of ancient architecture building structure, improve ground
Bearing capacity, while can play the role of antidetonation shock attenuation to ancient tower ground in three directions, therefore may be implemented not change brick
The original style and features of stone Gu tower structure, and the reliable and effective shock resistance for improving building structure；And the shock mount can be with
It is replaced, the long service life of whole device.
Detailed description of the invention
Fig. 1 is a kind of ancient masonry pagoda foundation replacement damping device of the present invention and its implementation method middle ancient times tower foundation replacement damping
The structural schematic diagram of device；
Fig. 2 is foundation replacement damping device in a kind of ancient masonry pagoda foundation replacement damping device of the present invention and its implementation method
Top view；
Fig. 3 is that the structure of shock mount in a kind of ancient masonry pagoda foundation replacement damping device of the present invention and its implementation method is shown
It is intended to；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the schematic diagram of foundation underpinning top plate beam and shock mount coupling part of the present invention；
Fig. 6 is the schematic diagram of foundation underpinning floor beams and shock mount coupling part of the present invention.
In figure, 1. ancient towers, 2. foundation underpinning top plate beams, 3. shock mounts, 4. foundation underpinning floor beams, 5. steel plates, 6. resistances
Buddhist nun's device, 7. anchor bolts.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of ancient masonry pagoda foundation replacement damping device of the present invention, as shown in Figures 1 to 3, including is successively set on ancient 1 ground of tower
Foundation underpinning top plate beam 2, shock mount 3 and foundation underpinning floor beams 4 below base, shock mount 3 are fixedly mounted on basic support
It changes between top plate beam 2 and foundation underpinning floor beams 4；Shock mount 3 includes damper 6, and is fixed at 6 upper and lower side of damper
The steel plate 5 in face；Foundation underpinning top plate beam 2 is fixedly mounted on ancient 1 lower end of tower, and 2 section of foundation underpinning top plate beam is in concave character type；Basis
It underpins floor beams 4 to be mounted in ancient 1 ground of tower, foundation underpinning floor beams 4 are located at 2 lower part of foundation underpinning top plate beam, foundation underpinning
4 section of floor beams is in concave character type, plays support protective effect to ground；The interval of shock mount 3 is uniformly arranged on foundation underpinning top plate
Between the bottom surface of beam 2 and the upper surface of foundation underpinning floor beams 4 and foundation underpinning top plate beam 2 and foundation underpinning floor beams 4
Between surrounding side, so that can play cushioning effect to ancient tower ground in three directions.
Foundation underpinning top plate beam 2 is arranged in parallel with foundation underpinning floor beams 4, and the power of support ground is more uniform, to ground
Support protecting effect it is more preferable.
The width and depth of foundation underpinning floor beams 4 are greater than foundation underpinning top plate beam 2, and structure is simple, the effect of support ground
Fruit is good, and is easily installed shock mount 3.
Between foundation underpinning top plate beam 2 and the horizontal direction of foundation underpinning floor beams 4 and between each side all at least
Shock mount 3 there are three being uniformly arranged, damping effect is more preferably.
As shown in Figs. 4-6, the steel plate 5 on shock mount 3 respectively with foundation underpinning top plate beam 2, foundation underpinning floor beams 4
Between be fixedly linked by anchor bolt 7, can dismantle, be convenient for changing shock mount, extend the service life of whole device.
As shown in figure 4, steel plate 5 on shock mount 3 respectively with foundation underpinning top plate beam 2, foundation underpinning floor beams 4 it
Between be fixedly linked by equally distributed eight anchor bolts 7, connection is reliable.
A kind of implementation method of ancient masonry pagoda foundation replacement damping device of the present invention, the specific steps are as follows:
Step 1, basis is carried out first to widen, using reinforced anchor bolt as connecting, carry out the place of original base in the pre-connection
Science and engineering is made, and carries out dabbing, scrub to original base, and spread one layer of high grade grout layer, makes widened section and original base
Plinth is integrally formed；
Step 2, foundation underpinning is carried out, is digged pit below building, structures, then casting concrete, base is made
Plinth underpins top plate beam 2；
Step 3, foundation underpinning floor beams 4 are made in the parallel beneath position of foundation underpinning top plate beam 2；
Step 4, it installs between 4 horizontal direction of foundation underpinning top plate beam 2 and foundation underpinning floor beams and between side and subtracts
Support 3 is shaken, using anchor bolt 7 by 4 company of being fixed of shock mount 3, foundation underpinning top plate beam 2 and foundation underpinning floor beams
It connects, completes the installation of ancient masonry pagoda foundation underpinning damping device.
A kind of ancient masonry pagoda foundation replacement damping device of the present invention and its implementation method, pass through foundation underpinning top plate beam and base
Plinth underpins floor beams and reinforces to ancient tower original structure ground, and increases foundation width, in foundation underpinning top plate beam and basis support
Shock mount is installed between the plate-girder horizontal direction that refoots and between side, to prevent ancient masonry pagoda structure from generating under geological process
Moderate finite deformation, and violent shaking of the termination structure after earthquake terminates rapidly, can not only guarantee the steady of ancient architecture building structure
It is qualitative, the bearing capacity of ground is improved, while can play the role of antidetonation shock attenuation to ancient tower ground in three directions, therefore can
The original style and features of ancient masonry pagoda structure is not changed to realize, and the reliable and effective shock resistance for improving building structure；And subtract
Shake support can be replaced, the long service life of whole device.
Claims (8)
1. a kind of ancient masonry pagoda foundation replacement damping device, which is characterized in that including being successively set below ancient tower (1) ground
Foundation underpinning top plate beam (2), shock mount (3) and foundation underpinning floor beams (4), the shock mount (3) are fixedly mounted on institute
It states between foundation underpinning top plate beam (2) and the foundation underpinning floor beams (4)；Shock mount (3) interval is uniformly arranged on
It holds in the palm between the bottom surface of the foundation underpinning top plate beam (2) and the upper surface of the foundation underpinning floor beams (4) and the basis
It changes between top plate beam (2) and the surrounding side of the foundation underpinning floor beams (4).
2. a kind of ancient masonry pagoda foundation replacement damping device according to claim 1, which is characterized in that the foundation underpinning
Top plate beam (2) is fixedly mounted on ancient tower (1) lower end, and the foundation underpinning top plate beam (2) section is in concave character type；The foundation underpinning
Floor beams (4) are mounted in ancient tower (1) ground, and the foundation underpinning floor beams (4) are located under the foundation underpinning top plate beam (2)
Portion, foundation underpinning floor beams (4) section are in concave character type.
3. a kind of ancient masonry pagoda foundation replacement damping device according to claim 2, which is characterized in that the foundation underpinning
The width and depth of floor beams (4) are greater than the foundation underpinning top plate beam (2).
4. a kind of ancient masonry pagoda foundation replacement damping device according to claim 1, which is characterized in that in the basis support
It changes between top plate beam (2) and the horizontal direction of the foundation underpinning floor beams (4) and all at least interval is uniform between each side
There are three the shock mount (3) for setting.
5. a kind of ancient masonry pagoda foundation replacement damping device according to claim 1, which is characterized in that the shock mount
It (3) include damper (6), the affixed steel plate (5) in damper (6) upper and lower end face.
6. a kind of ancient masonry pagoda foundation replacement damping device according to claim 5, which is characterized in that the shock mount
(3) steel plate (5) on passes through anchoring spiral shell between the foundation underpinning top plate beam (2), the foundation underpinning floor beams (4) respectively
Bolt (7) is fixedly linked.
7. a kind of ancient masonry pagoda foundation replacement damping device according to claim 6, which is characterized in that the shock mount
(3) steel plate (5) on is respectively between the foundation underpinning top plate beam (2), the foundation underpinning floor beams (4) by uniform
Eight anchor bolts (7) of distribution are fixedly linked.
8. a kind of implementation method of ancient masonry pagoda foundation replacement damping device, which is characterized in that specific step is as follows:
Step 1, it carries out basis to widen, using reinforced anchor bolt as connecting, carries out the processing work of original base in the pre-connection, it is right
Original base carries out dabbing, scrub, and spreads one layer of high grade grout layer, and widened section and original base is made to become one
Body；
Step 2, foundation underpinning is carried out, is digged pit below building, structures, then casting concrete, basis support is made
Change top plate beam (2)；
Step 3, foundation underpinning floor beams (4) are made in the parallel beneath position of the foundation underpinning top plate beam (2)；
Step 4, between the foundation underpinning top plate beam (2) and the foundation underpinning floor beams (4) horizontal direction and side it
Between shock mount (3) are installed, using anchor bolt (7) by the shock mount (3), the foundation underpinning top plate beam (2) and institute
It states foundation underpinning floor beams (4) to be fixedly connected, completes the installation of ancient masonry pagoda foundation underpinning damping device.
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Cited By (3)
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| CN112627377A (en) * | 2020-12-17 | 2021-04-09 | 机械工业勘察设计研究院有限公司 | Vibration and shock double-control structure for timber structure ancient building along subway line and design method |
| CN114109067A (en) * | 2021-12-15 | 2022-03-01 | 长江师范学院 | Protection and reinforcement method for old wall |
| CN114108880A (en) * | 2021-12-15 | 2022-03-01 | 长江师范学院 | Ground wall body shock absorption method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112627377A (en) * | 2020-12-17 | 2021-04-09 | 机械工业勘察设计研究院有限公司 | Vibration and shock double-control structure for timber structure ancient building along subway line and design method |
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| CN114108880A (en) * | 2021-12-15 | 2022-03-01 | 长江师范学院 | Ground wall body shock absorption method |
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Application publication date: 20190621 |
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