CN204898509U - Box steel bridge mound of bucking power consumption structure is prevented in root setting - Google Patents
Box steel bridge mound of bucking power consumption structure is prevented in root setting Download PDFInfo
- Publication number
- CN204898509U CN204898509U CN201520571171.XU CN201520571171U CN204898509U CN 204898509 U CN204898509 U CN 204898509U CN 201520571171 U CN201520571171 U CN 201520571171U CN 204898509 U CN204898509 U CN 204898509U
- Authority
- CN
- China
- Prior art keywords
- steel
- arc
- pier
- strength
- yield point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a box steel bridge mound of bucking power consumption structure is prevented in root setting, box steel bridge mound include upper portion pier, base and connect the lower part pier of upper portion pier and base, the lower part pier includes the outer wall by four high strength steel hoarding squarely tubular structures, outer wall inside (being the four corners department of lower part pier) between perpendicular two high strength steel boards connecting sets up prevents bucking power consumption structure, prevent bucking power consumption structure and comprises the three -layer steel sheet that the intermediate level is the low yield point steel sheet of arc, the ectonexine is an arc box hat board, and arc box hat board and arc hang down yield point steel sheet three and pass through bolted connection, the both sides of preventing bucking power consumption structure utilize high strength bolt and high strength steel board to be connected respectively. Arc box hat board can prevent that the low yield point steel sheet of arc from taking place flexural buckling outside the plane, guarantees the low yield point steel sheet of arc and cuts the power consumption of lateral deflection clothes to improve ductility, power consumption ability, the anti -seismic performance of box steel bridge mound.
Description
Technical field
The utility model relates to a kind of field of civil engineering steel bridge pier energy-dissipation structure, belongs to steel bridge pier technical field in bridge engineering, is specifically related to the box steel pier that a kind of root arranges anti-buckling energy-consumption structure.
Background technology
Earthquake disaster has sudden and crushing, and the safety of human life, property in serious threat.China is located in the world on two most active earthquake zones, it is one of the most serious country that suffers disaster from an earthquake, the casualties that earthquake causes and economic loss very huge, and the key link of communications and transportation---bridge, the weighty responsibility of to serve as in earthquake relief work and transport goods and materials, rescuing life, research bridge novel earthquake-proof system significant.
In the past based in the bridge pier of Ductility Design, the surrender Formation cross-section plastic hinge of the important structural meterials by bridge pier of cross section ductile deformation mechanism preset realizes, and will occur, cause the permanent set of can not ignore when moderate shock intensity.There is some not enough: 1, cross section ductile deformation is excessive is difficult to local recovery, causes by overall pulling down; Even if 2 ductile deformation are in restriction, the bearing capacity and stiffness of design section all can obviously decline, and is unfavorable for working on; 3, can block the traffic for the bridge pier dismounting on transportation lifeline and reconstruction.
Under earthquake motion effect, horizontal seismic force acts on superstructure by concentrating, and is delivered to bottom bridge pier.Relative to bottom bridge pier, the strength and stiffness of the superstructure of bridge are all enough large, and therefore, compare with foundation platform with superstructure, the seismic design of bottom bridge pier and performance are particularly important.Present stage, bridge pier both domestic and external adopts reinforced concrete structure form mostly, the bridge pier compressive property of this form is good, but ductility is poor, destructible in earthquake, and after earthquake, even if structure does not collapse, also can because of there occurs excessive expendable plastic deformation, and finally still need to remove, rebuild.After giving shake, rescue and relief work makes troubles, and the indirect loss caused is also very huge.In order to improve the anti-seismic performance of bridge, to take place frequently area in some earthquakes, as the Taiwan of the U.S., Japan and China, having started with the bottom bracing structure of steel bridge pier as bridge.Compared with reinforced concrete bridge pier, steel bridge pier not only has good anti-seismic performance, also has from heavy and light, takes up an area less, convenient and quick construction, detects after shake and repair the remarkable advantages such as convenient.China, in urban viaduct, bridge on highway and pedestrian overcrossing etc. are built, is just gradually adopting steel bridge pier as the lower support component of bridge.And box steel pier all has good anti-bending strength at two major axes orientations, apply more general in Practical Project.But easily there is cripling distortion in box steel pier root wallboard in earthquake, causes the anti-seismic performance of box steel pier sharply to worsen.
Utility model content
The utility model provides the box steel pier that a kind of root arranges anti-buckling energy-consumption structure, which overcomes the deficiency existing for background technology.The utility model solves the technical scheme that its technical problem adopts:
A kind of root arranges the box steel pier of anti-buckling energy-consumption structure, comprise top bridge pier, the bottom bridge pier of pedestal and connection top bridge pier and pedestal, described bottom bridge pier comprises the outer wall being surrounded square tubular structure by four high-strength steel sheets, described outer pars intramuralis (i.e. corner place of bottom bridge pier) between two panels high-strength steel sheet connected vertically arranges anti-buckling energy-consumption structure, described anti-buckling energy-consumption structure is made up of three-ply plate, intermediate layer is arc Low Yield Point Steel coverboard, ectonexine is arc-shaped steel coverboard, arc-shaped steel coverboard and arc low yield point steel plate three are bolted, the both sides of described anti-buckling energy-consumption structure utilize high-strength bolt to be connected with two high-strength steel sheets respectively.
Among one preferred embodiment: be connected by the bolt penetrating three blocks of plates between described arc low yield point steel plate with described arc-shaped steel coverboard; The hole passed for bolt that described arc-shaped steel coverboard is arranged is the vertical ellipse hole that arranges thus provides vertical slipping space for bolt.
Among one preferred embodiment: the both sides protruding arc-shaped steel coverboard 10mm-20mm respectively of described arc low yield point steel plate, is connected with high-strength steel sheet by described high-strength bolt; Or arc-shaped steel coverboard end face is concordant with arc low yield point steel plate end face, described high-strength bolt is connected with high-strength steel sheet through ectonexine arc-shaped steel coverboard and arc low yield point steel plate simultaneously.
Among one preferred embodiment: the height of described high-strength steel sheet is 1.0-1.5 times of the maximum appearance and size of box steel pier cross section; The thickness of described high-strength steel sheet=2ft/F, f is the yield strength of top bridge pier steel plate used, and t is the thickness of top bridge pier steel plate used, and F is the yield strength of high-strength steel sheet.
Among one preferred embodiment: circle 1/8 arc length that the arc length of described arc low yield point steel plate is is diameter with outer wall cross-sectional width; Described bottom bridge pier also comprises diaphragm and base plate, and described diaphragm is connected to the top of outer wall and welds together with top bridge pier, and described base plate is connected to the bottom of outer wall and links together with pedestal; Described arc low yield point steel plate and diaphragm and base plate all leave the distance of 20mm-30mm.
Among one preferred embodiment: in the middle of described diaphragm, circular opening is set.
Among one preferred embodiment: described high-strength bolt is high-strength friction-type bolt, is made up of screw rod, nut, steel plate washer, and adopts double nut type of attachment.
Among one preferred embodiment: the yield strength of described high-strength steel sheet is 390MPa or 420MPa or 460MPa; The yield strength of described arc low yield point steel plate is 100MPa or 160MPa or 225MPa.
The technical program is compared with background technology, and its tool has the following advantages:
1. described in, anti-buckling energy-consumption structure is made up of three-ply plate, intermediate layer is arc Low Yield Point Steel coverboard, ectonexine is arc-shaped steel coverboard, arc-shaped steel coverboard can prevent arc low yield point steel plate generation out-of plane bending flexing, ensure that arc low yield point steel plate cuts the power consumption of lateral deflection clothes, thus improve ductility, energy dissipation capacity, the anti-seismic performance of box steel pier.High-strength steel sheet has larger extreme elastic strain value, and for the surrender power consumption of arc low yield point steel plate is given security, the lateral deflection of cutting giving full play to arc low yield point steel plate takes energy dissipation capacity; And high-strength steel sheet plays stress frame effect, enough supporting capacitys and rigidity can be provided.
2. the surrender situation by detecting arc low yield point steel plate can evaluate rapidly the anti-seismic performance of the rear box steel pier of shake, change the shock resistance that anti-buckling energy-consumption structure can repair bridge pier fast, repair in can avoiding or reduce after shake, guarantee to keep unimpeded as the bridge of lifeline engineering, to emergency relief and post-disaster reconstruction after shake, there is most important effect.
3. the anti-buckling energy-consumption structure of box steel pier, diaphragm all can in factory processing and fabricating, scene only needs lifting, and site operation is quick, for the section that Forecast of Urban Traffic Flow is large, adopt this box steel pier can significantly shorten the traffic control time, convenient and quick construction, and structure is simple.
4. diaphragm described in can ensure top bridge pier and bottom bridge pier power consumption district's power transmission smooth and easy, form the effect of overall common opposing external loads.In addition, in the middle of described diaphragm, circular opening is set, facilitates workman to pass in and out to carry out repair and maintenance and be.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts the schematic diagram that a kind of root of the utility model arranges the box steel pier of anti-buckling energy-consumption structure.
Fig. 2 depicts the internal construction schematic diagram of the bottom bridge pier of box steel pier shown in Fig. 1.
Fig. 3 depicts the schematic diagram of the anti-buckling energy-consumption structure of box steel pier shown in Fig. 1.
Fig. 4 depicts the schematic top plan view of the bottom bridge pier of box steel pier shown in Fig. 1.
Fig. 5 depicts the elevational schematic view of the bottom bridge pier of box steel pier shown in Fig. 1.
Fig. 6 depicts the schematic diagram of the another kind of anti-buckling energy-consumption structure of box steel pier.
Detailed description of the invention
Please refer to Fig. 1, a kind of root of the present utility model arranges the box steel pier of anti-buckling energy-consumption structure, comprises top bridge pier 20, pedestal 40 and connects the bottom bridge pier 60 of top bridge pier 20 and pedestal 40.Top bridge pier 20 surrounds square tubular structure by four steel plates.Described bottom bridge pier 60 comprise by four high-strength steel sheets 62 surround square tubular structure outer wall, be welded on the diaphragm 64 at the top of outer wall and be welded on the base plate 66 of bottom of outer wall.The size of top bridge pier 20 is identical with outer wall dimension.Described diaphragm 64 welds together with top bridge pier 20, and described base plate 66 periphery is provided with anchor hole (as shown in Figure 5), and described base plate 66 is together with pedestal 40 interlocking.Circular opening 642 convenient turnover bottom bridge pier 60 (as shown in Figure 4) is set in the middle of described diaphragm 64.
Please refer to Fig. 2, described outer pars intramuralis is provided with anti-buckling energy-consumption structure 80 between two panels high-strength steel sheet 62 connected vertically, and in the present embodiment, the quantity of anti-buckling energy-consumption structure 80 is four, is evenly arranged on four corners of outer wall with portion.Described anti-buckling energy-consumption structure 80 is made up of three-ply plate, intermediate layer is arc low yield point steel plate 82, ectonexine is arc-shaped steel coverboard 84, arc-shaped steel coverboard 84 is connected by bolt 10 with arc low yield point steel plate 82 three, two arc-shaped steel coverboards 84 clamp arc low yield point steel plate 82, two arc-shaped steel coverboard 84 thickness are identical, and preferably, the hole passed for bolt that described arc-shaped steel coverboard 84 is arranged is the vertical ellipse hole that arranges thus provides vertical slipping space for bolt.
Please refer to Fig. 2 and Fig. 3, the both sides protruding arc-shaped steel coverboard 10mm-20mm respectively of described arc low yield point steel plate 82, the high-strength bolt 30 that utilizes respectively of the both sides of the arc low yield point steel plate 82 of described anti-buckling energy-consumption structure 80 is connected with high-strength steel sheet 62.
The height of described high-strength steel sheet 62 is 1.0-1.5 times of the maximum appearance and size of box steel pier cross section, and (f is the yield strength of top bridge pier 20 steel plate used to the thickness=2ft/F of described high-strength steel sheet 62; T is the thickness of top bridge pier 20 steel plate used; F is the yield strength of high-strength steel sheet 62, preferred 390MPa or 420MPa or 460MPa).
The yield strength of described arc low yield point steel plate 82 is preferably 100MPa or 160MPa or 225MPa.Circle 1/8 arc length that the arc length of described arc low yield point steel plate 82 is is diameter with outer wall cross-sectional width.Described arc low yield point steel plate 82 and diaphragm 64 and base plate 66 all leave the distance of 20mm-30mm.
Described high-strength bolt 30 is high-strength friction-type bolt, is made up of, and adopts double nut type of attachment screw rod, nut, steel plate washer.
During construction: the height doubly determining high-strength steel sheet 62 according to the 1.0-1.5 of the maximum appearance and size of box steel pier cross section.According to the welding position of the determination diaphragm 64 of the height of high-strength steel sheet 62, diaphragm 64 and outer wall and top bridge pier 20 are welded into entirety.Meanwhile, anti-buckling energy-consumption structure 80 is together with outer wall interlocking.Base plate 66 and outer wall be welded into entirety and with pedestal 40 interlocking.
Please refer to Fig. 6, arc-shaped steel coverboard 84 end face and arc low yield point steel plate 82 end face also can be concordant, and now, described high-strength bolt 30 is connected with high-strength steel sheet 62 through ectonexine arc-shaped steel coverboard 84 and arc low yield point steel plate 82 simultaneously.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (10)
1. a root arranges the box steel pier of anti-buckling energy-consumption structure, comprise top bridge pier, the bottom bridge pier of pedestal and connection top bridge pier and pedestal, described bottom bridge pier comprises the outer wall being surrounded square tubular structure by four high-strength steel sheets, it is characterized in that: described outer pars intramuralis arranges anti-buckling energy-consumption structure between two panels high-strength steel sheet connected vertically, described anti-buckling energy-consumption structure is made up of three-ply plate, intermediate layer is arc low yield point steel plate, ectonexine is arc-shaped steel coverboard, arc-shaped steel coverboard and arc low yield point steel plate three are bolted, the both sides of described anti-buckling energy-consumption structure utilize high-strength bolt to be connected with high-strength steel sheet respectively.
2. box steel pier according to claim 1, is characterized in that: be connected by the bolt penetrating three blocks of plates between arc low yield point steel plate with described arc-shaped steel coverboard; The hole passed for bolt that described arc-shaped steel coverboard is arranged is the vertical ellipse hole that arranges thus provides vertical slipping space for bolt.
3. box steel pier according to claim 1, is characterized in that: the both sides protruding arc-shaped steel coverboard 10mm-20mm respectively of described arc low yield point steel plate, described high-strength bolt is connected with arc low yield point steel plate and high-strength steel sheet.
4. box steel pier according to claim 1, it is characterized in that: described arc-shaped steel coverboard end face is concordant with arc low yield point steel plate end face, described high-strength bolt is connected with high-strength steel sheet through ectonexine arc-shaped steel coverboard and arc low yield point steel plate simultaneously.
5. the box steel pier according to claim 1 or 2 or 3 or 4, is characterized in that: the height of described high-strength steel sheet is 1.0-1.5 times of the maximum appearance and size of box steel pier cross section; The thickness of described high-strength steel sheet=2ft/F, f is the yield strength of top bridge pier steel plate used, and t is the thickness of top bridge pier steel plate used, and F is the yield strength of high-strength steel sheet.
6. the box steel pier according to claim 1 or 2 or 3 or 4, is characterized in that: circle 1/8 arc length that the arc length of described arc low yield point steel plate is is diameter with outer wall cross-sectional width.
7. box steel pier according to claim 6, it is characterized in that: described bottom bridge pier also comprises diaphragm and base plate, described diaphragm is connected to the top of outer wall and welds together with top bridge pier, and described base plate is connected to the bottom of outer wall and links together with pedestal
8. box steel pier according to claim 7, is characterized in that: described arc low yield point steel plate and diaphragm and base plate all leave the distance of 20mm-30mm.
9. box steel pier according to claim 7, is characterized in that: arrange circular opening in the middle of described diaphragm.
10. box steel pier according to claim 1, is characterized in that: described high-strength bolt is high-strength friction-type bolt, is made up of screw rod, nut, steel plate washer, and adopts double nut type of attachment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571171.XU CN204898509U (en) | 2015-07-31 | 2015-07-31 | Box steel bridge mound of bucking power consumption structure is prevented in root setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571171.XU CN204898509U (en) | 2015-07-31 | 2015-07-31 | Box steel bridge mound of bucking power consumption structure is prevented in root setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204898509U true CN204898509U (en) | 2015-12-23 |
Family
ID=54920698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520571171.XU Withdrawn - After Issue CN204898509U (en) | 2015-07-31 | 2015-07-31 | Box steel bridge mound of bucking power consumption structure is prevented in root setting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204898509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019352A (en) * | 2015-07-31 | 2015-11-04 | 华侨大学 | Method for arranging anti-buckling energy dissipation structures at root portion and box steel pier |
-
2015
- 2015-07-31 CN CN201520571171.XU patent/CN204898509U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019352A (en) * | 2015-07-31 | 2015-11-04 | 华侨大学 | Method for arranging anti-buckling energy dissipation structures at root portion and box steel pier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103696498B (en) | Easily steel hetermorphiscal column-center support is repaired after a kind of shake | |
| CN103669570B (en) | A kind of novel shake easily repairs steel hetermorphiscal column-prestressing force center support afterwards | |
| CN103711215B (en) | Easily steel shaped pile frame-accentric support frame is repaired after a kind of shake | |
| CN103669650B (en) | Easily steel shaped pile frame-steel plate shear force wall is repaired after a kind of shake | |
| CN103669594B (en) | Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake | |
| CN103255841A (en) | Assembly-type concrete column-steel beam overhanging end plate type node connecting device | |
| CN202644774U (en) | Replaceable steel coupling beam | |
| CN104389364A (en) | Profiled steel plate concrete reinforcing steel plate energy dissipation wall | |
| CN103669567B (en) | Easily steel hetermorphiscal column-prestressing force accentric support frame is repaired after a kind of shake | |
| CN102061742A (en) | Shockproof reinforced concrete pseudo-classic building structural system | |
| CN102628300A (en) | Steel truss control connecting beam with friction node | |
| CN202138969U (en) | Tower crane wall-attaching device used in cast-in-place concrete structure | |
| CN101550727B (en) | Node of connection of column and beam | |
| CN103774548B (en) | A kind of root arranges the box steel pier of power consumption wallboard of putting more energy into | |
| CN204266410U (en) | Steel plate power consumption wall strengthened by a kind of profiled sheet concrete | |
| CN204898509U (en) | Box steel bridge mound of bucking power consumption structure is prevented in root setting | |
| CN204898508U (en) | Circular steel tube pier of bucking power consumption structure is prevented in root setting | |
| CN103669722B (en) | Steel Framed Structure with Special-Shaped Columns suspension column is easily repaired after a kind of shake | |
| CN203684073U (en) | Circular steel tube bridge pier with root portion provided with stiffening energy dissipation shell | |
| CN115233865B (en) | Assembled buckling restrained steel plate shear wall structure with self-resetting function | |
| CN203856069U (en) | High-rise building steel structure | |
| CN105019352B (en) | A kind of root arranges method and the box steel pier of anti-buckling energy-consumption structure | |
| CN105019353B (en) | Method for arranging anti-buckling energy dissipation structures at root portion and circular steel tube pier | |
| CN203684075U (en) | Box-shaped steel bridge pier with root portion provided with stiffening energy dissipation wall plates | |
| CN204875492U (en) | Novel box steel bridge mound |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |