CN2330724Y - Earthquake-resistant low-storyed building added story structure - Google Patents
Earthquake-resistant low-storyed building added story structure Download PDFInfo
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- CN2330724Y CN2330724Y CN 97201472 CN97201472U CN2330724Y CN 2330724 Y CN2330724 Y CN 2330724Y CN 97201472 CN97201472 CN 97201472 CN 97201472 U CN97201472 U CN 97201472U CN 2330724 Y CN2330724 Y CN 2330724Y
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- building
- damping device
- shock insulation
- adding storey
- insulation damping
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Abstract
The utility model relates to an earthquake-resistant low-storied building story adding structure, which is mainly composed of a low-storied building, a story adding structure, earthquake isolating and damping device, and a coupling device. The earthquake isolating and damping device is arranged between a top structure and a foundation of the story adding structure or between every two rigid sections of the top structure in a horizontal direction or in a vertical direction; the coupling device is arranged between the story adding structure and a low-storied building, and a load bearing girder is arranged above the part of the story adding structure crossing the low-storied building. The utility model has the advantages that the earthquake resistance is improved, and the investment can be reduced by about 50 percents.
Description
The utility model belongs to a kind of storey-adding constructure for low-storey building, particularly in a kind of storey-adding constructure for low-storey building with shock-resistance features.
Storey-adding constructure for low-storey building is the new problem that present urban construction occurs.Concrete condition with regard to China, the fifties is the 3-5 floor to sixties urban architecture basically, the seventies has begun to occur the building of some 6-9 floors, the eighties is along with the increase and the development of economic construction of population, the planning requirement of the newly-built building in city is basically all more than 6 layers.According to China's national situation, also can not generally use under the situation of elevator at the use and the management aspect of building, be benefit generally with the 6-9 layer.China has a large population to plough and lacks, and urban development is restricted, according to the concrete economic conditions of urban development, the development in city in most cases all is to find a way out on the basis of self, yet for many years, the area that the city is limited, particularly main city is all taken by lower building basically.The basically edges that are distributed in the city of some high stored building groups more, the zone of the original building that has only minority to be positioned to be forced to remove.The city will be developed, and the contradiction that building is generally low must solve.Like this lower building increase problem occurred.And there have been many areas to carry out the layer that adds on original structure.The structural-load-carrying capacity of original building is planted design according to original lotus, if add layer weight still rely on original structure, obviously be not all right from the force analysis of structure.On original structure, add layer, cause building to collapse.Particularly, bigger casualties and property loss will be caused in the earthquake zone.China is the country of earthquake more than, and the disaster that earthquake causes to the people is very huge, and its disaster mainly shows the destruction aspect of building.China is again a big country that has a large population and a few land, and the national economy difficulty can't solve the situation of the people's house difficulty by large quantities of Jian Xinlou of tearing down the old house, thereby only walks the outlet that the existing building thing is increased at double, solves the people's house difficulty.And it is very poor to account for the existing building antiseismic damage capability of the whole nation 90% or more, therefore, solve hundreds billion of square metres existing building earthquake isolation and increase at double, will be the major issue of this century and the required solution of next th century of China.
The purpose of this utility model according to the structural dynamics balance theory, proposes a kind of storey-added structure for earthquake-resistant low storied building at the weak point that exists in the existing storey-adding constructure for low-storey building.
The technical scheme of this storey-added structure for earthquake-resistant low storied building is: it is mainly by lower building, adding storey structure, and shock insulation damping device and hookup constitute, and it is characterized in that:
1) between the top-out and its basis of adding storey structure, between the horizontal direction of each rigidity section of adding storey structure and vertical direction or in the basic periphery of adding storey structure, shock insulation damping device is set;
2) between adding storey structure and lower building, hookup is set;
3) above adding storey structure is crossed over lower building or whenever layer by layer eminence be provided with the load-bearing crossbeam.
Be arranged on the clamping bed course that the shock insulation damping device between top-out and its basis is made for the superimposed bed course of elasticity slidably or composite material, described bed course can be continuously or placement at interval.Described horizontal shock insulation damping device is rubber or the superimposed bed course of rubber and plastic, or high-strength polytetrafluoroethyl-ne slip compound support plate.The shock insulation damping device that is arranged between each rigidity section horizontal direction of adding storey structure is the superimposed bed course of elasticity slidably, or the bed course made of composite material, and described bed course can be placed continuously or place at interval.The shock insulation damping device that is arranged between each rigidity section vertical direction of adding storey structure recovers mechanism for the elasticity made from elastomeric material or spring.The peripheral shock insulation damping device in basis that is arranged at adding storey structure is the earthquake isolation ditch.The peripheral shock insulation damping device in basis that is arranged at adding storey structure is to use brick, the earthquake isolation ditch that stone or concrete masonry units become, and between two furrow banks, be filled with elasticity energy dissipating material or compressible waste material.Be arranged at the linkwork of hookup between adding storey structure and the lower building for can vertically sliding.Described load-bearing crossbeam is double curvature arch formula, outstanding double curvature arch formula or the outstanding great beam of supporting that skews of drawing.
This storey-added structure for earthquake-resistant low storied building not only structurally improves the ability of building opposing earthquake disaster greatly, has prolonged building application life greatly, but also reduces the construction investment about 20%.Adding storey structure is built again than dismounting existing building thing will reduce investment outlay about 50%.
For further specifying the concrete structure of this storey-added structure for earthquake-resistant low storied building, specifically describe with embodiment with reference to the accompanying drawings.
Its accompanying drawing has:
Fig. 1-4 is respectively the storey-adding constructure for low-storey building figure that is provided with shock insulation damping device;
Fig. 5-7 is respectively shown in Fig. 1-4 large span load-bearing crossbeam schematic diagram in the antidetonation sandwich.
In Fig. 1-7: 1 antidetonation adding storey structure; 2 horizontal shock insulation damping devices; 3 peripheral shock insulation damping devices; 4 elasticity energy dissipating fillers; 5 vertical shock insulation damping devices; 6 hookups; 7 base for posts; 8 lower buildings; 9 load-bearing crossbeams; 10 antidetonation adding storey structure columns; 11 crossbeams; 12 double curvature arch formula load-bearing crossbeams; The 13 outstanding double curvature arch formula load-bearing crossbeams that draw; The 14 outstanding rest formula load-bearing crossbeams that skew; 15 pulling force rod members; 16 bases; A, B, C are respectively each rigidity section of adding storey structure.
Now each accompanying drawing is specifically described:
Fig. 1 is the embodiment of storey-added structure for earthquake-resistant low storied building of the present utility model, the low floor of main this antidetonation of expression among the figure Room adding storey structure 1 is to be made of 4 sections rigidity sections, between per two sections rigidity sections and at hypomere rigidity section and base Be provided with earthquake isolation bed course 2 between the plinth (not shown), and be provided with in structure 1 both sides earthquake isolation ditch 3 and Be placed on the elasticity energy dissipating filler 4 in the ditch 3.
The storey-added structure for earthquake-resistant low storied building 1 that represents among Fig. 2 is the high-rise building that is made of multistage rigidity section, per two Between the section rigidity section earthquake isolation bed course 2 is set, and be provided with between the vertical framework in adding storey structure 1 vertically every Shake damping device 5.
Mainly represented among Fig. 3 to be provided with vertically to slide between the column of original lower building 8 and adding storey structure 1 to subtract Shake mechanism 6, this is the hookup between antidetonation adding storey structure 1 and the lower building 8.
The structure and the connection relation thereof that have represented this storey-added structure for earthquake-resistant low storied building 1 among Fig. 4, it incites somebody to action enforcement below Specify in the example.
3 kinds of versions that Fig. 5-7 crosses over the large span load-bearing crossbeam of original lower building for the antidetonation adding storey structure, Fig. 5 In 12 be a kind of double curvature arch formula crossbeam; Draw double curvature arch formula crossbeam 13 for a kind of hanging among Fig. 6, above beam 13 Two ends are provided with pulling force rod member 15; What represent in Fig. 7 is that a kind of hanging skews support type crossbeam 14, on the two ends of beam The side also is provided with pulling force rod member 15. Hold the both sides that 3 kinds of load-bearing crossbeams in Fig. 5-7 all are in the antidetonation adding storey structure Between the heavy column.
This antidetonation lower building adds layer and increases based on following two aspects:
First aspect;
The design of the shock insulation damping device that proposes in the utility model is meant the monolithic construction design system that the existing building thing is established by former existing design specifications, changes into the separate type system.Promptly at first come building (1) at superstructure and basis branch, also is separated into a plurality of overlapping rigidity sections in the superstructure of highrise building.Separate the place in superstructure with the basis, and separation place of highrise building superstructure, earthquake isolation bed course or device are installed, its material can be selected other materials such as rubber pad, rubber plastic pad or composite material for use.(2) on the basis of (1), around the building in the certain distance more than the below ground base surface, or more than the position that is provided with shock insulation damping device (bed course) on the basis, set up and cut off the earthquake isolation ditch that seismic wave impacts building fully.The earthquake isolation ditch can be designed to reinforced concrete structure, also can be with other elastomeric material or other composite material.In the earthquake isolation ditch, place elasticity energy dissipating filler, or sealed spring or other elastomeric material.In the shock insulation damping device of highrise building superstructure, design and installation elastic shock attenuation recovery device, its elastic shock attenuation recovery device can be made with spring, spring leaf or other elastomeric material.
Second aspect:
On the basis that first aspect is established, could solve and have increasing at double of new and old building thing in the use now.As existing building is 2-10 layer or 10-20 layer, need not remove at assurance existing building thing, and increase the layer to 8-40 under the situation that continues to use.If existing building is not taked the design of shock insulation damping device, and blindly increase, in the time of will staying the earthquake outburst, the serious hidden danger of colliding takes place in original building with to increase new construction because vibrations are different mutual, so has endless trouble, and consequence is serious.The utility model proposes on the basis of the Safety Design that has adopted shock insulation damping device, adopt the combination special construction of bridge construction and shock-damping structure that original building is increased at double.Its method is: set up the bearing column that separates with original building around original building, bearing column is design load-bearing basis down, and its basis can be pile foundation or stripe shape basis, establishes earthquake isolation bed course or device in the basis.Its shock insulation damping device can be rubber pad, rubber plastic pad or other composite material by multilayer is overlapping makes, the material that adopts French chalk or sliding agent etc. to reduce friction between with the interlayer in the shock insulation damping device of multilayer materials or the overlapping composition of steel plate its role is to better slide damping.The adding storey structure column of setting up around former lower building gets on along original building, and surpasses more than the former lower building height, till the required height of increasing.The floor height place that the bearing column of adding storey structure and former lower building are every layer is provided with the slip hookup that can vertically slide, the slip hookup couples together the bearing column and the former lower building of adding storey structure, when its role is to the earthquake outburst, increase structure and original building and strengthen mutually stable and shake synchronous effect, guarantee the safety of adding storey structure.The overhead position that surpasses former lower building at the adding storey structure bearing column, by the needed floor of increasing whenever layer by layer eminence the load-bearing crossbeam is set, and couple together with adding storey structure bearing column integral body, the former lower building that forms as shown in Figure 4 is the new building of one with new adding storey structure.Load-bearing crossbeam on the bearing column of adding storey structure gives bearing column to the basis Load Transfer that is increased, and is not pressed on the original building, guarantees the safe handling of former lower building.Load-bearing crossbeam on the adding storey structure bearing column can be the load-bearing crossbeam of linear, variable cross-section shape, former lower building span is bigger meeting, and force the span of load-bearing crossbeam of adding storey structure bigger, existing structure design can't solve, under the very huge again situation of steel work investment, the design that the novel special construction that adopts bridge construction to combine with shock-damping structure solves large span load-bearing crossbeam, the form of its load-bearing crossbeam can be the double curvature arch formula, outstanding draw the double curvature arch formula or outstandingly skew the rest formula, shown in Fig. 5-7.
Embodiment:
Storey-added structure for earthquake-resistant low storied building as shown in Figure 4, it is made of original lower building 8 and adding storey structure 1, adding storey structure 1 is divided into A, B, three rigidity sections of C, between rigidity section A and B, B and C and C and basis 16, be respectively equipped with horizontal shock insulation damping device 2, the rigidity section C that crosses over the adding storey structure 1 of lower building 8 is a framework that is made of the crossbeam 11 of 10 on load-bearing crossbeam 9, column 10 and column, at column 10 and basic 16 arranged outside earthquake isolation ditch 3 is arranged, between the steel concrete furrow bank, be filled with easy compression constructional materials or waste material 4.Described horizontal shock insulation damping device 2 adopts the superimposed bed course of placing at interval of rubber, places lubriation material between superposed surfaces.Load-bearing crossbeam 9 adopts the outstanding of pulling force rod member 15 that have shown in Figure 6 to draw double curvature arch formula load-bearing crossbeam 1: 3.The column 10 of adding storey structure 1 and the hookup 6 between the former lower building 8 have adopted the structure of meeting sb. at the airport of vertical slip.
Claims (9)
1, a kind of storey-added structure for earthquake-resistant low storied building, it is mainly by lower building, adding storey structure, shock insulation damping device and hookup constitute, and it is characterized in that:
1) between the top-out and its basis of adding storey structure, between the horizontal direction of each rigidity section of adding storey structure and vertical direction or in the basic periphery of adding storey structure, shock insulation damping device is set;
2) between adding storey structure and lower building, hookup is set;
3) above adding storey structure is crossed over lower building or whenever layer by layer eminence be provided with the load-bearing crossbeam.
2, structure as claimed in claim 1 is characterized in that being arranged on the composite cushion that the horizontal shock insulation damping device between top-out and its basis is made for the superimposed bed course of elasticity slidably or composite material, and described bed course can be continuously or placement at interval.
3, structure as claimed in claim 1 or 2 is characterized in that described horizontal shock insulation damping device is rubber or the superimposed bed course of rubber and plastic, or high-strength polytetrafluoroethyl-ne slip compound support plate.
4, structure as claimed in claim 1, the shock insulation damping device that it is characterized in that being arranged between each rigidity section horizontal direction of adding storey structure is the superimposed bed course of elasticity slidably, or the composite cushion made of composite material, described bed course can be placed continuously or place at interval.
5, structure as claimed in claim 1, the shock insulation damping device that it is characterized in that being arranged between each rigidity section vertical direction of adding storey structure recovers mechanism for the elasticity made from elastomeric material or spring.
6, structure as claimed in claim 1, the peripheral shock insulation damping device in basis that it is characterized in that being arranged at adding storey structure is the earthquake isolation ditch.
7, as claim 1 or 6 described structures, it is characterized in that being arranged at the peripheral earthquake isolation ditch of shock insulation damping device in basis of adding storey structure, and between two furrow banks, be filled with elasticity energy dissipating material or compressible waste material for becoming with brick, stone or concrete masonry units.
8, structure as claimed in claim 1 is characterized in that being arranged at the linkwork of hookup for can vertically sliding between adding storey structure and the lower building.
9, structure as claimed in claim 1 is characterized in that described load-bearing crossbeam is double curvature arch formula, outstanding double curvature arch formula or the outstanding great beam of supporting that skews of drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201472 CN2330724Y (en) | 1997-02-19 | 1997-02-19 | Earthquake-resistant low-storyed building added story structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201472 CN2330724Y (en) | 1997-02-19 | 1997-02-19 | Earthquake-resistant low-storyed building added story structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2330724Y true CN2330724Y (en) | 1999-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97201472 Expired - Fee Related CN2330724Y (en) | 1997-02-19 | 1997-02-19 | Earthquake-resistant low-storyed building added story structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2330724Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296833A (en) * | 2011-05-25 | 2011-12-28 | 陆建衡 | Anti-seismic heightening structure of existing building |
| CN103790255A (en) * | 2014-01-23 | 2014-05-14 | 北京工业大学 | Multi-dimensional energy-dissipation shock-absorption device for storey-adding structure |
-
1997
- 1997-02-19 CN CN 97201472 patent/CN2330724Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296833A (en) * | 2011-05-25 | 2011-12-28 | 陆建衡 | Anti-seismic heightening structure of existing building |
| CN103790255A (en) * | 2014-01-23 | 2014-05-14 | 北京工业大学 | Multi-dimensional energy-dissipation shock-absorption device for storey-adding structure |
| CN103790255B (en) * | 2014-01-23 | 2016-03-09 | 北京工业大学 | A kind of multidimensional energy-consuming shock absorber for adding storey structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |