CN205046463U - But shake and decrease quick prosthetic box steel bridge mound of normal position - Google Patents

But shake and decrease quick prosthetic box steel bridge mound of normal position Download PDF

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Publication number
CN205046463U
CN205046463U CN201520761741.1U CN201520761741U CN205046463U CN 205046463 U CN205046463 U CN 205046463U CN 201520761741 U CN201520761741 U CN 201520761741U CN 205046463 U CN205046463 U CN 205046463U
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CN
China
Prior art keywords
steel
plate
box
pier
mild
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.)
Expired - Fee Related
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CN201520761741.1U
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Chinese (zh)
Inventor
刘阳
吕英婷
黄群贤
曾宪敢
樊敏
徐根连
林载庚
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Fujian No1 Road Engineering Co Ltd
Huaqiao University
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Fujian No1 Road Engineering Co Ltd
Huaqiao University
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Priority to CN201520761741.1U priority Critical patent/CN205046463U/en
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Publication of CN205046463U publication Critical patent/CN205046463U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a but shake and decrease quick prosthetic box steel bridge mound of normal position, cushion cap including setting up in the ground lower part is in with setting up the box steel bridge mound body of cushion cap top, this internal connection steel column that is provided with of box steel bridge mound, it is in to connect steel column fixed mounting on the cushion cap, be provided with a plurality of mild steel damper on the lateral surface of connection steel column, but mild steel damper has polylith elastic deformation's mild steel board. Through at this internal mild steel damper that sets up of box steel bridge mound, the mild steel board, can produce and shear the surrender because plasticity is better relatively as mild steel damper's power consumption board, absorbs most seismic energy, and guard box shaped steel pier does not take place destruction well, and anti -seismic performance is better. Simultaneously, because the mild steel board detachable, behind strong earthquake, can take off the replacement with impaired mild steel board and be undamaged mild steel board, realize shaking the quick restoration in back.

Description

A kind of damaged can the box steel pier of in-situ rapid renovation
Technical field
The utility model relates to a kind of anti-seismic construction of steel bridge pier, damaged after especially a kind of earthquake can the box steel pier of in-situ rapid renovation.
Background technology
The intellectuality of urban development and the earthquake resistant structure of sustainability to industrialization of construction industry and engineering structures propose new requirement and challenge, wherein, realize structure earthquake and repair the basic demand and important research direction that the fast quick-recovery with building function is " can restore funcitons city " fast.Restorability energy structure refers generally to not need reparation or appropriateness reparation can recover the building structure of its performance after structure meets with earthquake, the research and development of restorability energy structure and applying, not only can significantly reduce direct seismic damage loss, and significantly can shorten the rear repairing efficiency of shake, fundamental technics support can be provided in restore funcitons city for finally realizing.
The advantages such as the toughness that steel work is good because steel have, ductility and high strength, are widely used in the country that earthquake is multiple.Especially in the advanced country such as the U.S., Japan that earthquake is multiple, utilize the ductility of steel, apply the bridge pier of steel work in urban viaduct construction, but be not that steel have good ductility, steel structure pier just has good anti-seismic performance.In nineteen ninety-five the big earthquakes in Osaka and Kobe,Japan, not only the bridge pier of concrete structure suffers badly damaged, and steel structure pier also there occurs serious flexing and collapse.For this reason, the anti-seismic performance of steel structure pier obtains the concern of scholar, and anti-seismic idea is also from only considering that the ultimate bearing capacity of bridge pier turns to the direction such as ductility and seismic energy absorption of bridge pier.Conventional reinforcement means has steel bridge pier fill concrete, stiffening rib reinforcement and increases low yield strength energy absorption sections etc., and these reinforcement means all embody the ductility improving bridge pier and the design philosophy significantly not increasing its intensity.
Increase bridge pier that energy absorption sections reinforces when meeting with earthquake for adopting, after shake, infringement maintenance becomes simple, usually only need check and repair energy absorption sections, and without the need to the anchorage element on the basis and suspension column that check bridge.In China, the example building urban viaduct with steel structure pier is gradually many, but the research in the anti-seismic performance of steel structure pier is also little.In view of this, the present inventor furthers investigate the problems referred to above, then has this case to produce.
Utility model content
The purpose of this utility model be to provide a kind of good seismic performance and can repair fast after shake damaged can the box steel pier of in-situ rapid renovation.
To achieve these goals, the utility model adopts following technical scheme:
A kind of damaged can the box steel pier of in-situ rapid renovation, comprise the cushion cap being arranged on ground bottom and the box steel pier body be arranged on above described cushion cap, connection steel column is provided with in described box steel pier body, in with described box steel pier body towards the direction of described connection steel column being, be outward with described connection steel column towards the direction of described box steel pier body, described connection steel column is fixedly mounted on described cushion cap, the lateral surface of described connection steel column is provided with multiple mild steel damper, described mild steel damper has the mild steel plate of polylith elastically deformable, described mild steel plate is vertically arranged in described box steel pier body, the side of described mild steel plate removably connects with the described lateral surface being connected steel column, the medial surface of opposite side and described box steel pier body removably connects.
The bottom of described connection steel column is provided with the first end plate, described first end plate is fixedly mounted on described cushion cap by multiple bolt, described connection steel column comprises the four blocks of side steel plates being interconnected and being square, two pieces of adjacent described side Plate Weldings together, together with described side steel plate is welded to each other with the relevant position of described first end plate.
The lateral surface of described connection steel column is provided with polylith second end plate, the quantity of the second end plate is identical with the quantity of described mild steel plate, the side of described mild steel plate is fixed on corresponding described second end plate, and described second end plate is removably connected with the described steel column that is connected by multiple bolt.
The medial surface of described box steel pier body is provided with the steel plate junction plate that polylith is connected with described mild steel plate, described steel plate junction plate is parallel to each other with corresponding described mild steel plate and perpendicular with the medial surface of described box steel pier body, and the opposite side of described mild steel plate is removably connected with corresponding described steel plate junction plate by multiple bolt.
Described mild steel plate offers the elongated slot of its length direction multiple and plane-parallel, the shape of each elongated slot is identical with size, and the spacing between each elongated slot is equal.
The bottom of described box steel pier body is connected with described cushion cap by the 3rd end plate, and a side of described 3rd end plate is positioned at the outside of described box steel pier body, and another side is positioned at the inner side of described box steel pier body.
The arranged outside of described box steel pier body has multiple triangle stiffening rib, and the two sides of described triangle stiffening rib are exposed to the perpendicular outside described box steel pier body with the lateral surface of described box steel pier body, described 3rd end plate respectively.
Described box steel pier body is provided with installation and repairing mouth and cat ladder.
Adopt technique scheme, by arranging mild steel damper in box steel pier body, can plastic strain be there is in mild steel damper when being subject to External Force Acting, absorb the kinergety that external force is brought, to reach the effect of opposing external force, when there is small earthquake, box steel pier body has certain ductility, can plastic strain be there is in mild steel damper, now box steel pier body and mild steel damper are all in elastic stage, destruction can not be produced to box steel pier body, when there is strong earthquakes, mild steel plate is as the power consumption plate of mild steel damper, because Plastic phase is to better, shear yielding can be produced, absorb most seismic energy, box steel pier body can be protected well not destroy, good seismic performance.Meanwhile, the mild steel plate due to mild steel damper is dismountable, after strong earthquakes, impaired mild steel plate can be taken off and change intact mild steel plate into, repairs fast after realizing shake.
Improve as one of the present utility model, described connection steel column is fixedly mounted on described cushion cap by the first end plate, described connection steel column comprises four blocks of side steel plates, two pieces of adjacent described side Plate Weldings together, together with described side steel plate is welded to each other with the relevant position of described first end plate, described first end plate is fixedly mounted on described cushion cap by multiple bolt.By above-mentioned improvement, what can realize connecting between steel column and cushion cap is affixed.
Improve as one of the present utility model, the lateral surface of described connection steel column is provided with polylith second end plate, described second end plate is removably connected with the described steel column that is connected by multiple bolt, the medial surface of described box steel pier body is provided with the steel plate junction plate that polylith is connected with described mild steel plate, described steel plate junction plate is parallel to each other with corresponding described mild steel plate and perpendicular with the medial surface of described box steel pier body, the side of described mild steel plate is fixed on corresponding described second end plate, the opposite side of described mild steel plate is removably connected with corresponding described steel plate junction plate by multiple bolt.By above-mentioned improvement, when mild steel plate changed by needs, only by the second end plate and the bolt between steel column need be connected, the bolt between mild steel plate and steel plate junction plate is turned on, and just can realize the dismounting of mild steel plate.
Improve as one of the present utility model, described mild steel plate offers the elongated slot of its length direction multiple and plane-parallel, the shape of each elongated slot is identical with size, and the spacing between each elongated slot is equal.By above-mentioned improvement, mild steel plate can realize good energy dissipation capacity under the prerequisite meeting rigidity of structure demand.
Improve as one of the present utility model, the bottom of described box steel pier body is connected with described cushion cap by the 3rd end plate, by above-mentioned improvement, the axle power produced under 3rd end plate can transmit vertical uniform load q, and not for box steel pier body provides anti-bending bearing capacity under horizontal loads.
Improve as one of the present utility model, the arranged outside of described box steel pier body has multiple triangle stiffening rib, and the two sides of described triangle stiffening rib are exposed to the perpendicular outside described box steel pier body with the lateral surface of described box steel pier body, described 3rd end plate respectively.By above-mentioned improvement, the out of plane stiffness of box steel pier can be improved, increase the ability of box steel pier opposing local buckling.
Improve as one of the present utility model, described box steel pier body is provided with installation and repairing mouth and cat ladder.By above-mentioned improvement, constructor can climb up cat ladder, and the replacement of mild steel plate is carried out in the inside entering box steel pier body by installation and repairing mouth.
Accompanying drawing explanation
Fig. 1 be the utility model a kind of damaged can the structural representation of box steel pier of in-situ rapid renovation;
Fig. 2 be the utility model a kind of damaged can the internal construction schematic diagram of box steel pier of in-situ rapid renovation;
Fig. 3 be the utility model a kind of damaged can the plan structure schematic diagram of box steel pier of in-situ rapid renovation;
Fig. 4 is the enlarged diagram at A position in Fig. 3.
In figure:
Ground 10 cushion cap 1
Box steel pier body 2 steel plate junction plate 21
3rd end plate 22 triangle stiffening rib 23
Installation and repairing mouth 24 cat ladder 25
Connect steel column 3 first end plate 31
Side steel plate 32 second end plate 33
Mild steel damper 4 mild steel plate 41
Elongated slot 411 friction type high strength bolt 5
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
A kind of damaged can the box steel pier of in-situ rapid renovation, as Figure 1-Figure 4, comprise the cushion cap 1 being arranged on ground 10 bottom and the box steel pier body 2 be arranged on above cushion cap 1, be provided with in box steel pier body 2 and connect steel column 3, in the present embodiment, with box steel pier body 2 towards connecting in the direction of steel column 3 is, be outward to connect steel column 3 towards the direction of box steel pier body 2, connecting steel column 3 is fixedly mounted on cushion cap 1, the lateral surface of connection steel column 3 is provided with multiple mild steel damper 4, mild steel damper 4 has the mild steel plate 41 of polylith elastically deformable, mild steel plate 41 is vertically arranged in box steel pier body 2, the side of mild steel plate 41 removably connects with the lateral surface being connected steel column 3, the medial surface of opposite side and box steel pier body 2 removably connects.
Concrete mounting method of the present utility model and operating principle as follows:
In the present embodiment, connect the shape of steel column 3 and the mating shapes of box steel pier body 2, be set to square column, the bottom connecting steel column 3 is provided with the first end plate 31 on the position of each lateral edges, first end plate 31 is the square plate of middle hollow out, one side of the first end plate 31 is positioned at the outside connecting steel column 3, another side is positioned at the inner side connecting steel column 3, first end plate 31 is fixedly mounted on cushion cap 1 by multiple friction type high strength bolt 5, connect steel column 3 and comprise the four blocks of side steel plates 32 being interconnected and being square, two blocks of adjacent side steel plates 32 weld together, together with side steel plate 32 is welded to each other with the relevant position of the first end plate 31.
Four sides connecting steel column 3 are corresponding with four sides of box steel pier body 2 respectively, mild steel damper 4 is connected with between each side connecting steel column 3 and the side of box steel pier body 2 corresponded, namely mild steel damper 4 has four, and the quantity of the mild steel plate 41 of each mild steel damper 4 calculates acquisition according to actual needs.
Mild steel plate 41 on mild steel damper 4 is detachable installations, the detachable mounting means of mild steel plate 41 can be conventional mode, in the present embodiment, the lateral surface of connection steel column 3 is provided with polylith second end plate 33, the quantity of the second end plate 33 is identical with the quantity of mild steel plate 41, second end plate 33 by multiple friction type high strength bolt 5 be connected steel column 3 and removably connect, concrete syndeton is: the second end plate 33 be uniformly distributed be connected to connect steel column 3 every block side steel plate 32 on, every block second end plate 33 is removably connected with corresponding side steel plate 32 by multiple friction type high strength bolt 5, the friction type high strength bolt 5 that every block second end plate 33 is installed is divided into two row, length direction along the second end plate 33 distributes.
The medial surface of box steel pier body 2 is provided with the steel plate junction plate 21 that polylith is connected with mild steel plate 41, the quantity of steel plate junction plate 21 is identical with the quantity of mild steel plate 41, steel plate junction plate 21 is parallel to each other with corresponding mild steel plate 41 and perpendicular with the medial surface of box steel pier body 2, the side of mild steel plate 41 is fixed on the second corresponding end plate 33, and the opposite side of mild steel plate 41 is removably connected with corresponding steel plate junction plate 21 by multiple friction type high strength bolt 5.When mild steel plate 41 changed by needs, only by the second end plate 33 and the friction type high strength bolt 5 between steel column 3 need be connected, the friction type high strength bolt 5 between mild steel plate 41 and steel plate junction plate 21 is turned on, and just can realize the dismounting of mild steel plate 41.
Mild steel plate 41 offers the elongated slot 411 of its length direction multiple and plane-parallel, the shape of each elongated slot 411 is identical with size, and the spacing between each elongated slot 411 is equal, and the size that elongated slot 411 is concrete or distance values can calculate acquisition according to actual needs.Like this, mild steel plate 41 can be made under the prerequisite meeting rigidity of structure demand to realize good energy dissipation capacity.
After adopting said structure, the utility model a kind of damaged can the box steel pier of in-situ rapid renovation, its mild steel plate 41 constitutes the ingredient of structural columns under normal circumstances, under vertical uniform load q, axle power is passed to ground by box steel pier body 2, and mild steel damper 4 does not participate in stressed; Under horizontal loads; by the lateral tilt that box steel pier body 2 produces; the mild steel plate 41 of mild steel damper 4 is driven to produce shear strain in vertical plane by box steel pier body 2; provide the anti-bending bearing capacity of box steel pier body 2; surrendered by mild steel plate 41 and produce plastic strain; absorb and the seismic energy of dissipates substantial, protection box steel pier body 2 is not damaged.
When there is small earthquake, because box steel pier body 2 has certain ductility, box steel pier body 2 and mild steel damper 4 acting in conjunction, box steel pier body 2 and mild steel damper 4 are all in elastic stage, can not produce destruction to box steel pier body 2; When there is strong earthquakes, mild steel plate 41, as the power consumption plate of mild steel damper 4, because Plastic phase is to better, can produces shear yielding, absorb most seismic energy, protects box steel pier body 2 not destroy well, good seismic performance.Meanwhile, because mild steel plate 41 is dismountable, after strong earthquakes, impaired mild steel plate 41 can be taken off and change intact mild steel plate 41 into, repair fast after realizing shake.
Further, as shown in Figure 2, the bottom of box steel pier body 2 is connected with cushion cap 1 by the 3rd end plate 22,3rd end plate 22 is the square plate of middle hollow out, and the length of the openwork part of the 3rd end plate 22 is greater than the length of the first end plate 31, the width of openwork part is also greater than the width of the first end plate 31, and a side of the 3rd end plate 22 is positioned at the outside of box steel pier body 2, and another side is positioned at the inner side of box steel pier body 2.By above-mentioned improvement, the axle power produced under the 3rd end plate 22 can transmit vertical uniform load q, and not for box steel pier body 2 provides anti-bending bearing capacity under horizontal loads.
Further, as shown in Figure 2, in the present embodiment, box steel pier body 2 arranged outside has multiple triangle stiffening rib 23, and the two sides of triangle stiffening rib 23 are exposed to the perpendicular outside box steel pier body 2 with the lateral surface of box steel pier body 2, the 3rd end plate 22 respectively.Contribute to the out of plane stiffness improving box steel pier like this, increase the ability of box steel pier opposing local buckling.
Further, as shown in Figure 1, in the present embodiment, box steel pier body 2 is provided with installation and repairing mouth 24 and cat ladder 25.By above-mentioned improvement, constructor can climb up cat ladder 25, and the replacement of mild steel plate 41 is carried out in the inside entering box steel pier body 2 by installation and repairing mouth 24.
By reference to the accompanying drawings detailed description is done to the utility model above; but embodiment of the present utility model is not limited in above-mentioned embodiment; those skilled in the art can make various distortion to the utility model according to prior art; as the box steel pier body in above-described embodiment is changed to circle etc. by square, these all belong to protection domain of the present utility model.

Claims (8)

1. one kind damaged can the box steel pier of in-situ rapid renovation, comprise the cushion cap being arranged on ground bottom and the box steel pier body be arranged on above described cushion cap, it is characterized in that: in described box steel pier body, be provided with connection steel column, in with described box steel pier body towards the direction of described connection steel column being, be outward with described connection steel column towards the direction of described box steel pier body, described connection steel column is fixedly mounted on described cushion cap, the lateral surface of described connection steel column is provided with multiple mild steel damper, described mild steel damper has the mild steel plate of polylith elastically deformable, described mild steel plate is vertically arranged in described box steel pier body, the side of described mild steel plate removably connects with the described lateral surface being connected steel column, the medial surface of opposite side and described box steel pier body removably connects.
2. according to claim 1 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: the bottom of described connection steel column is provided with the first end plate, described first end plate is fixedly mounted on described cushion cap by multiple bolt, described connection steel column comprises the four blocks of side steel plates being interconnected and being square, two pieces of adjacent described side Plate Weldings together, together with described side steel plate is welded to each other with the relevant position of described first end plate.
3. according to claim 1 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: the lateral surface of described connection steel column is provided with polylith second end plate, the quantity of the second end plate is identical with the quantity of described mild steel plate, the side of described mild steel plate is fixed on corresponding described second end plate, and described second end plate is removably connected with the described steel column that is connected by multiple bolt.
4. according to claim 1 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: the medial surface of described box steel pier body is provided with the steel plate junction plate that polylith is connected with described mild steel plate, described steel plate junction plate is parallel to each other with corresponding described mild steel plate and perpendicular with the medial surface of described box steel pier body, and the opposite side of described mild steel plate is removably connected with corresponding described steel plate junction plate by multiple bolt.
5. according to claim 1 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: the elongated slot described mild steel plate offering its length direction multiple and plane-parallel, the shape of each elongated slot is identical with size, and the spacing between each elongated slot is equal.
6. according to claim 1 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: the bottom of described box steel pier body is connected with described cushion cap by the 3rd end plate, one side of described 3rd end plate is positioned at the outside of described box steel pier body, and another side is positioned at the inner side of described box steel pier body.
7. according to claim 6 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: the arranged outside of described box steel pier body has multiple triangle stiffening rib, and the two sides of described triangle stiffening rib are exposed to the perpendicular outside described box steel pier body with the lateral surface of described box steel pier body, described 3rd end plate respectively.
8. according to claim 1 a kind of damaged can the box steel pier of in-situ rapid renovation, it is characterized in that: described box steel pier body is provided with installation and repairing mouth and cat ladder.
CN201520761741.1U 2015-09-29 2015-09-29 But shake and decrease quick prosthetic box steel bridge mound of normal position Expired - Fee Related CN205046463U (en)

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Application Number Priority Date Filing Date Title
CN201520761741.1U CN205046463U (en) 2015-09-29 2015-09-29 But shake and decrease quick prosthetic box steel bridge mound of normal position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520761741.1U CN205046463U (en) 2015-09-29 2015-09-29 But shake and decrease quick prosthetic box steel bridge mound of normal position

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297616A (en) * 2015-09-29 2016-02-03 华侨大学 Box type steel pier capable of being repaired quickly in situ during earthquake damage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297616A (en) * 2015-09-29 2016-02-03 华侨大学 Box type steel pier capable of being repaired quickly in situ during earthquake damage

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160224

Termination date: 20170929

CF01 Termination of patent right due to non-payment of annual fee