CN113944098A - Take two pier stud structures of assembled from restoring to throne of energy dissipation steel sheet - Google Patents
Take two pier stud structures of assembled from restoring to throne of energy dissipation steel sheet Download PDFInfo
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- CN113944098A CN113944098A CN202111183463.2A CN202111183463A CN113944098A CN 113944098 A CN113944098 A CN 113944098A CN 202111183463 A CN202111183463 A CN 202111183463A CN 113944098 A CN113944098 A CN 113944098A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of structural engineering, and provides an assembled self-resetting double pier column structure with energy dissipation steel plates, which comprises two columns, wherein the two columns are arranged on a base side by side; the energy dissipation steel plates are connected between the upper parts of the two columns in the horizontal direction and are divided into a first energy dissipation steel plate and a second energy dissipation steel plate, the first energy dissipation steel plate is partially overlapped with the second energy dissipation steel plate to form an overlapped part, the overlapped part is provided with a plurality of long slotted holes in the horizontal direction, first fastening pieces are arranged in the long slotted holes and penetrate through the overlapped part through the long slotted holes to be fastened and connected; the energy dissipation dampers are symmetrically arranged on two sides of the lower portion of each column body respectively, the energy dissipation dampers are obliquely arranged, and two ends of each energy dissipation damper are hinged to the lower portion of each column body and the base respectively. The energy dissipation steel plate and the energy dissipation damper jointly form an energy dissipation mechanism, so that the earthquake energy can be greatly consumed, and the damage of the earthquake to the pier stud is reduced.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to an assembled self-resetting double pier column structure with energy dissipation steel plates.
Background
The bridge is used as a structure which spans across valleys and unfavorable geology to meet traffic demands, becomes an important node of a infrastructure network, and has the characteristic of guaranteeing the continuity and the smoothness of the traffic network. The bridge structure is seriously damaged and even collapsed and damaged by an earthquake, the pier stud is used as a connecting member of the upper structure and the lower foundation of the bridge and is a main bearing member of the bridge structure, and the bridge collapses along with the damage of the pier stud caused by the earthquake.
At present, energy dissipation dampers are generally adopted aiming at earthquake energy dissipation, the bridge pier column structures only depend on the energy dissipation dampers to consume earthquake energy, the energy dissipation mechanism effect of a single energy dissipation damper is not obvious, and the service life of the pier column is short.
Disclosure of Invention
The invention provides an assembled self-resetting double pier stud structure with energy dissipation steel plates, wherein an energy dissipation mechanism is formed by the energy dissipation steel plates arranged between the upper parts of the double pier studs and an energy dissipation damper arranged at the lower parts of the double pier studs, so that the earthquake energy can be greatly consumed, the damage of the earthquake to the pier studs is reduced, and the service life of the pier studs is prolonged.
The invention provides an assembled self-resetting double pier column structure with energy dissipation steel plates, which comprises: the two columns are arranged on the base side by side; the energy dissipation steel plates are connected between the upper parts of the two columns along the horizontal direction and are divided into a first energy dissipation steel plate and a second energy dissipation steel plate, the first energy dissipation steel plate is partially overlapped with the second energy dissipation steel plate to form an overlapped part, the overlapped part is provided with a plurality of long slotted holes along the horizontal direction, first fastening pieces are arranged in the long slotted holes and penetrate through the overlapped part through the long slotted holes to be fastened and connected; the energy dissipation dampers are symmetrically arranged on two sides of the lower portion of each column body respectively, the energy dissipation dampers are obliquely arranged, and two ends of each energy dissipation damper are hinged to the lower portion of each column body and the base respectively.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plate, provided by the invention, a first connecting component is embedded in each column body, and two ends of the energy dissipation steel plate are respectively connected with the first connecting components.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plate, the first connecting component comprises a first longitudinal steel section, a second longitudinal steel section and a transverse steel section which are arranged in a herringbone shape, the first longitudinal steel section is spaced from the center of the column body, the second longitudinal steel section is arc-shaped and is arranged by being attached to the inner wall of the column body, and the transverse steel section extends to the outside of the column body and is connected with the end portion of the energy dissipation steel plate through a second fastening piece.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plate, provided by the invention, the second connecting component is embedded in the lower part of the column body, the second connecting component comprises a thin-wall steel plate and a hinged steel block, the thin-wall steel plate is arc-shaped and is arranged by being attached to the inner wall of the column body, and the hinged steel block is connected with the thin-wall steel plate and extends to the outside of the column body to be hinged with the energy dissipation damper.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plates, provided by the invention, a plurality of energy dissipation steel plates are arranged at intervals along the height direction of the column body.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plates, the column body comprises an upper section column body and a lower section column body which are detachably connected.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plates, the upper section column body is connected with the lower section column body through the third connecting component, the third connecting component comprises a connecting top plate, a connecting bottom plate and a third fastener, the connecting top plate is embedded in the bottom of the upper section column body and extends to the outside of the upper section column body, a first outer edge portion is formed, the connecting bottom plate is embedded in the top of the lower section column body and extends to the outside of the lower section column body, a second outer edge portion is formed, and the third fastener penetrates through the first outer edge portion and the second outer edge portion to be fixedly connected.
The assembled self-resetting double pier column structure with the energy dissipation steel plates further comprises a self-resetting mechanism, and the self-resetting mechanism comprises: the unbonded prestressed tendon comprises an unbonded prestressed tendon, a first anchorage device and a second anchorage device, wherein the unbonded prestressed tendon is vertically arranged in a central hole channel of the lower section column body, the upper end of the unbonded prestressed tendon is connected with the connecting bottom plate through the first anchorage device, and the lower end of the unbonded prestressed tendon is connected to the bottom of the base through the second anchorage device.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plates, provided by the invention, the spherical part is arranged at the bottom end of the lower section of the column body, the base is provided with the arc groove for accommodating the spherical part, and the friction cushion piece is arranged between the arc groove and the spherical part.
The assembled self-resetting double pier column structure with the energy dissipation steel plates further comprises a bearing platform, and the base is connected to the bearing platform through a fourth connecting component.
According to the assembled self-resetting double pier column structure with the energy dissipation steel plates, the energy dissipation steel plates arranged between the upper parts of the two columns and the energy dissipation damper arranged at the lower part act together to absorb the transverse disturbance energy of transverse waves to a bridge during earthquake, so that the earthquake energy can be greatly consumed, the elastic restoring force is provided through the unbonded prestressed ribs of the self-resetting mechanism after the earthquake, the damage of the earthquake to the pier columns is reduced, and the service life of the pier columns is prolonged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is an overall schematic view of an assembled self-resetting double pier column structure with energy dissipation steel plates provided by the invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;
reference numerals:
1. a cylinder; 101. an upper segment cylinder; 102. a lower segment cylinder; 103. a spherical portion; 104. a first accommodating chamber; 2. a base; 201. a second accommodating chamber; 202. a third outer edge portion; 301. a first energy dissipating steel plate; 302. a second energy dissipating steel plate; 303. an overlapping portion; 304. a long slot hole; 305. a first fastener; 4. an energy-consuming damper; 5. a first connecting member; 501. a first longitudinal steel section; 502. a second longitudinal steel section; 503. a transverse steel section; 504. a first shear bolt; 505. a second fastener; 6. a second connecting member; 601. thin-walled steel plate; 602. hinging a steel block; 603. a second shear bolt; 7. a third connecting member; 701. connecting the top plate; 702. connecting the bottom plate; 703. a third fastener; 704. a first outer edge portion; 705. a second outer edge portion; 706. a third shear bolt; 8. a self-resetting mechanism; 801. the prestressed tendons are not bonded; 802. a first anchor; 803. a second anchor; 804. a central bore; 9. a friction pad member; 10. a bearing platform; 11. a fourth connecting member; 1101. pre-burying a steel plate; 1102. a fourth fastener; 1103. and a fourth shear bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
According to an embodiment of the present invention, as shown in fig. 1 and 2, the assembled self-resetting double pier column structure with energy dissipation steel plates provided by the present invention mainly comprises: two columns 1, energy dissipation steel plates and energy dissipation dampers 4. Wherein, two columns 1 are arranged on the base 2 side by side. The energy dissipation steel plates are connected between the upper parts of the two columns 1 along the horizontal direction and are divided into a first energy dissipation steel plate 301 and a second energy dissipation steel plate 302, the left end of the first energy dissipation steel plate 301 is connected with the outer wall of the upper part of the left column 1, the right end of the second energy dissipation steel plate 302 is connected with the outer wall of the upper part of the right column 1, the right end of the first energy dissipation steel plate 301 is overlapped with the left end of the second energy dissipation steel plate 302 to form an overlapping part 303, the overlapping part 303 is provided with a plurality of long slotted holes 304, the length direction of the long slotted holes 304 is arranged along the horizontal direction, and therefore more earthquake energy can be absorbed temporarily in an earthquake, and the stability between the upper parts of the two columns 1 is kept.
And the inside of the long slot hole 304 is provided with a first fastener 305, and the first fastener 305 penetrates through the overlapping part 303 through the long slot hole 304 to be fastened and connected, thereby realizing the connection of the two energy dissipation steel plates. Specifically, the first fastening member 305 is a fastening bolt, and when an earthquake occurs, the first fastening member 305 can slide laterally in the slotted hole 304 to absorb disturbance energy of lateral waves to the bridge pier during the earthquake. It should be understood that the transverse connection part of the pier stud adopts a transverse connection mode different from the transverse consolidation and easy damage of the traditional pier stud structure, and the energy dissipation steel plates which can be disassembled and replaced and have certain transverse displacement space are adopted for connection between the double pier studs of the invention, so that the pier stud structure is more plastic and easier to self-restore after an earthquake.
Energy-consuming dampers 4 are symmetrically arranged on both sides of the lower portion of the left column body 1 and both sides of the lower portion of the right column body 1 respectively, two ends of each energy-consuming damper 4 are hinged to the lower portion of the column body 1 and the base 2 respectively, and meanwhile, the energy-consuming dampers 4 are obliquely arranged, namely, included angles are formed among the energy-consuming dampers 4, the column body 1 and the base 2, and a triangular arrangement is formed.
The embodiment of the invention forms an energy consumption mechanism by the combined action of the energy dissipation steel plates arranged between the upper parts of the two columns 1 and the energy consumption damper 4 arranged at the lower part, absorbs the transverse disturbance energy of transverse waves to the bridge pier stud during earthquake, can greatly consume the earthquake energy, reduces the damage of the earthquake to the pier stud and prolongs the service life of the pier stud.
It is understood that the specific number of the energy dissipation steel plates of the present invention is not particularly limited, and may be adjusted according to actual conditions, and when a plurality of energy dissipation steel plates are used, they are respectively arranged at intervals along the height direction of the column body 1. In this example, there are three energy dissipating steel plates, and correspondingly, there are three energy dissipating steel plates, a first energy dissipating steel plate 301 and a second energy dissipating steel plate 302.
According to the embodiment of the invention, the first connecting component 5 is embedded in each column body 1, and two ends of the energy dissipation steel plate are respectively connected with the first connecting components 5 in the two column bodies 1. Specifically, the left end of the first energy dissipating steel plate 301 is connected to the first connecting member 5 in the left column 1, and the right end of the second energy dissipating steel plate 302 is connected to the first connecting member 5 in the right column 1.
In one example, as shown in fig. 2, the first connecting member 5 is a chevron-shaped integral member including a first longitudinal steel section 501, a second longitudinal steel section 502, and a transverse steel section 503. Wherein, the first longitudinal steel section 501 has a certain interval with the center of the column body 1, the second longitudinal steel section 502 is arc-shaped and is arranged by leaning against the inner wall of the column body 1 to improve the integrity of the first connecting component 5 and the column body 1, and the transverse steel section 503 extends outwards to the outside of the column body 1 and is connected with the end part of the energy dissipation steel plate through the second fastener 505. Specifically, the second fasteners 505 are fastening bolts, and the inner wall of the second longitudinal steel section 502 is pre-embedded and connected with a plurality of first shear bolts 504 for enhancing the fastening performance of the first connecting member 5 and the column body 1.
According to the embodiment of the present invention, as shown in fig. 1 and 5, a second connecting member 6 is embedded in the lower portion of the column body 1, and the dissipative damper 4 is connected to the column body 1 through the second connecting member 6, specifically, the second connecting member 6 includes a thin-walled steel plate 601 and a hinged steel block 602, the thin-walled steel plate 601 is arc-shaped and is disposed against the inner wall of the column body 1, and the inner wall of the thin-walled steel plate 601 is provided with a plurality of second shear resistant bolts 603 to enhance the fastening of the second connecting member 6 and the column body 1; the hinged steel block 602 is connected with the outer wall of the thin-wall steel plate 601 and extends to the outside of the column body 1 to be hinged with the upper end of the energy dissipation damper 4, and the lower end of the energy dissipation damper 4 is hinged with the base 2.
According to an embodiment of the present invention, as shown in fig. 1, 3 and 4, each column 1 includes an upper-section column 101 and a lower-section column 102, which are detachably connected, respectively. Specifically, the upper section column 101 is connected to the lower section column 102 by a third connecting member 7, and the third connecting member 7 includes a connecting top plate 701, a connecting bottom plate 702, and a third fastener 703. Wherein, connect the top plate 701 and pre-buried in the bottom of last section cylinder 101 and extend outward to the outside of last section cylinder 101, construct first outer fringe portion 704, connect the bottom plate 702 and pre-buried in the top of lower section cylinder 102 and extend outward to the outside of lower section cylinder 102, construct second outer fringe portion 705, third fastener 703 runs through first outer fringe portion 704 and second outer fringe portion 705 fastening connection, realizes the assembly of last section cylinder 101 and lower section cylinder 102. In addition, a plurality of third shear bolts 706 are embedded and connected to the connecting top plate 701 and the connecting bottom plate 702 respectively to enhance the fastening performance with the column body 1.
In one example, as shown in fig. 3, the connecting top plate 701 and the connecting bottom plate 702 have the same outer diameter and are made of steel plates, the third shear bolts 706 are arranged in eight rows distributed radially, two adjacent rows have included angles to divide a circle into eight equal parts, and the arrangement mode can be understood as a regular octagonal arrangement and is set to be three circles; the third fastening member 703 is a high-strength bolt, is located on an extension line of each row of the third shear bolts 706, and is provided in two turns. The present invention can improve the connection stability of the third connecting member 7 with the upper-section column 101 and the lower-section column 102 by this arrangement.
According to an embodiment of the present invention, as shown in fig. 4, the present invention further includes a self-resetting mechanism 8, the self-resetting mechanism 8 including: unbonded tendon 801, first anchor 802, and second anchor 803. The unbonded prestressed tendons 801 are vertically arranged in a central hole 804 of the lower section column 102, the upper ends of the unbonded prestressed tendons 801 are connected with the connecting bottom plate 702 through first anchorage devices 802, and the lower ends of the unbonded prestressed tendons 801 are connected to the bottom of the base 2 through second anchorage devices 803. The unbonded prestressed tendons 801 provide elastic restoring force after an earthquake, so that damage of the earthquake to the structure is reduced. Compared with most of the conventional assembled pier stud structures, the assembled pier stud structure adopts longer unbonded prestressed tendons which are mostly anchored between the top end of the pier stud and the bottom of the bearing platform, the whole pier stud can be replaced only after strong shock, and the unbonded prestressed tendons are complex to assemble and disassemble, so that huge repair cost is caused. The unbonded prestressed tendon 801 is connected to the lower section column 102 and arranged in the central hole 804, namely the unbonded prestressed tendon 801 is added to the part of the lower part of the column where the earthquake action is concentrated, so that the self-resetting is easier, only part of the column needs to be replaced after the earthquake, the length of the unbonded prestressed tendon 801 is shortened, and the unbonded prestressed tendon 801 can be replaced quickly. Therefore, the invention saves materials and cost and is convenient to assemble and disassemble through the arrangement.
Moreover, the bottom of the upper segment column 101 is provided with a first accommodating cavity 104 for accommodating a first anchorage device 802, the connecting top plate 701 is provided with a mounting hole for mounting the first anchorage device 802, and the bottom of the base 2 is provided with a second accommodating cavity 201 for accommodating a second anchorage device 803.
According to the embodiment of the present invention, as shown in fig. 4, the lower-section cylinder 102 is provided at the bottom end thereof with a spherical portion 103, the base 2 is provided with an arc groove for receiving the spherical portion 103, and a friction pad 9 is provided between the arc groove and the spherical portion 103. It should be understood that, when under the action of earthquake, the spherical part 103 and the arc groove can rotate relatively, and the friction cushion member 9 is filled between the spherical part and the arc groove, so that the constraint between the contact surfaces of the spherical part and the arc groove can be released, and small slippage and rotation are generated. The specific type of the friction pad 9 is not particularly limited, in this example, the friction pad 9 is a rubber pad, and the present invention can achieve the function of assisting shock absorption and energy dissipation when an earthquake occurs by providing the friction pad 9.
According to the embodiment of the present invention, as shown in fig. 1 and 4, the present invention further includes a bearing platform 10, the base 2 is connected to the bearing platform 10 through a fourth connecting member 11, and the fourth connecting member 11 mainly includes an embedded steel plate 1101, a fourth fastener 1102 and a fourth shear bolt 1103. Wherein, pre-buried steel sheet 1101 is in the top position of cushion cap 10, and a plurality of fourth fasteners 1102 are connected in the top of pre-buried steel sheet 1101 and are extended to the third outer fringe part 202 of the top of cushion cap 10 and base 2 lower part and realize the fastening through the nut, and the pre-buried bottom of pre-buried steel sheet 1101 is connected with a plurality of fourth shear bolts 1103 to strengthen the fastening of pre-buried steel sheet 1101 and cushion cap 10.
Based on the above embodiment, the construction method of the fabricated self-resetting double pier column structure with the energy dissipation steel plate mainly comprises the following steps.
(1) The bearing platform 10 adopts a cast-in-place construction mode, but the fourth connecting member 11 is embedded according to a certain size requirement when the cast-in-place construction is required to be formed.
(2) Base 2 is prefabricated in the factory, base 2 adopts the steel ingot to make, and base 2 is according to the design size prefabricated arc groove of spherical portion 103 for arc groove and spherical portion 103 contact well when the concatenation, reserve indent second and hold chamber 201 in order to place second ground tackle 803 in base 2 bottom to reserve corresponding connection hole according to the quantity and the position of the fourth fastener 1102 that cushion cap 10 stretches out on third outer fringe part 202 of base 2.
(3) The lower section column 102 is prefabricated in a factory, a central hole 804 for installing the unbonded prestressed tendon 801 is reserved, the connecting bottom plate 702 and the second connecting member 6 are embedded at corresponding positions, and the spherical part 103 is formed by pouring the bottom of the lower section column 102 through a hemispherical mold according to the design size.
(4) The upper section column 101 is prefabricated in a factory, the connecting top plate 701 and the connecting bottom plate 702 are kept at corresponding positions during the prefabrication, the first connecting member 5 is embedded, and a concave first accommodating cavity 104 is reserved at the bottom of the upper section column 101 for accommodating a first anchor 802.
Therefore, each pier column structure is divided into four sections, and the four sections are connected in a dry mode through bolts, so that the pier columns can be prefabricated in advance in a factory, can be quickly assembled and assembled when arriving at a construction site, can be timely replaced when a component damaged by earthquake occurs in the event of a large earthquake, can quickly recover the energy dissipation and self-resetting functions of the structure, and solves the problems of difficult maintenance and large engineering quantity.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a take assembled from two pier stud structures that reset of energy dissipation steel sheet which characterized in that includes:
the two columns are arranged on the base side by side;
the energy dissipation steel plates are connected between the upper parts of the two columns along the horizontal direction and are divided into a first energy dissipation steel plate and a second energy dissipation steel plate, the first energy dissipation steel plate is partially overlapped with the second energy dissipation steel plate to form an overlapped part, the overlapped part is provided with a plurality of long slotted holes along the horizontal direction, first fastening pieces are arranged in the long slotted holes and penetrate through the overlapped part through the long slotted holes to be fastened and connected;
the energy dissipation dampers are symmetrically arranged on two sides of the lower portion of each column body respectively, the energy dissipation dampers are obliquely arranged, and two ends of each energy dissipation damper are hinged to the lower portion of each column body and the base respectively.
2. The fabricated self-resetting double pier structure with energy dissipation steel plates according to claim 1, wherein a first connecting member is embedded in each of the columns, and both ends of the energy dissipation steel plates are connected to the first connecting members, respectively.
3. The fabricated self-resetting double pier structure with energy dissipating steel plates according to claim 2, wherein the first connecting member comprises a first longitudinal steel section arranged in a zigzag shape having a distance from the center of the column, a second longitudinal steel section which is arc-shaped and disposed against the inner wall of the column, and a transverse steel section extending to the outside of the column and connected with the end of the energy dissipating steel plate by a second fastening member.
4. The fabricated self-resetting double pier column structure with energy dissipation steel plates according to claim 1, wherein a second connecting component is embedded in the lower portion of the column body, the second connecting component comprises a thin-walled steel plate and a hinged steel block, the thin-walled steel plate is arc-shaped and is arranged by being attached to the inner wall of the column body, and the hinged steel block is connected with the thin-walled steel plate and extends to the outside of the column body to be hinged with the energy dissipation damper.
5. The fabricated self-resetting double pier structure with energy dissipation steel plates according to claim 1, wherein a plurality of the energy dissipation steel plates are spaced apart in the height direction of the column.
6. The fabricated self-resetting double pier structure with energy dissipating steel plates according to claim 1, wherein the columns comprise upper and lower segmental columns detachably connected.
7. The fabricated self-resetting double pier column structure with energy dissipation steel plates according to claim 6, wherein the upper section column body is connected with the lower section column body through a third connecting member, the third connecting member comprises a connecting top plate, a connecting bottom plate and a third fastener, the connecting top plate is embedded in the bottom of the upper section column body and extends to the outside of the upper section column body to form a first outer edge portion, the connecting bottom plate is embedded in the top of the lower section column body and extends to the outside of the lower section column body to form a second outer edge portion, and the third fastener is fixedly connected with the first outer edge portion and the second outer edge portion in a penetrating mode.
8. The fabricated self-resetting double pier structure with energy dissipating steel plates according to claim 7, further comprising a self-resetting mechanism, the self-resetting mechanism comprising: the unbonded prestressed tendon comprises an unbonded prestressed tendon, a first anchorage device and a second anchorage device, wherein the unbonded prestressed tendon is vertically arranged in a central hole channel of the lower section column body, the upper end of the unbonded prestressed tendon is connected with the connecting bottom plate through the first anchorage device, and the lower end of the unbonded prestressed tendon is connected to the bottom of the base through the second anchorage device.
9. The fabricated self-resetting double pier structure with energy dissipating steel plates according to claim 6, wherein the lower section of the column body is provided with a spherical portion at the bottom end thereof, the base is provided with an arc groove for accommodating the spherical portion, and a friction pad is provided between the arc groove and the spherical portion.
10. The fabricated self-resetting double pier structure with energy dissipating steel plates according to any one of claims 1 to 9, further comprising a bearing platform, the base being connected to the bearing platform by a fourth connecting member.
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| CN202111183463.2A CN113944098B (en) | 2021-10-11 | 2021-10-11 | Assembled self-resetting double pier column structure with energy dissipation steel plates |
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| CN202111183463.2A CN113944098B (en) | 2021-10-11 | 2021-10-11 | Assembled self-resetting double pier column structure with energy dissipation steel plates |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412259A (en) * | 2021-10-11 | 2022-04-29 | 北京建筑大学 | Hierarchical energy dissipation is from restoring to throne assembled pier stud |
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