CN214993017U - Assembled pier that possesses from restoring to throne and consume energy by force - Google Patents
Assembled pier that possesses from restoring to throne and consume energy by force Download PDFInfo
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- CN214993017U CN214993017U CN202120067375.5U CN202120067375U CN214993017U CN 214993017 U CN214993017 U CN 214993017U CN 202120067375 U CN202120067375 U CN 202120067375U CN 214993017 U CN214993017 U CN 214993017U
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Abstract
The utility model relates to the technical field of structural engineering, and discloses an assembled pier with self-resetting and strong energy consumption, which comprises a bearing platform body, a pier body and prestressed tendons, wherein the upper end surface of the bearing platform body is provided with an inwards concave fixed groove, and the bottom of the pier body is assembled in the fixed groove; the pier body is provided with a lower connecting section, the lower connecting section extends outwards around the pier body to form a connecting block, and an upper prestressed tendon pipeline is reserved in the connecting block; the lower end of the prestressed tendon is embedded in the bearing platform body, and the prestressed tendon penetrates through the upper prestressed tendon pipeline. The lower connecting section of the pier body protrudes outwards around the pier body to form a connecting block, and the tensioning prestressed tendons are arranged in the connecting block, so that the pier body is prevented from being weakened by the prestressed pore channels, and the vertical bearing capacity of the pier body in a prestressed connecting mode is enhanced. When the pier body deflects to a certain degree, the pier body can be pulled back to a normal position by the prestressed tendons under the tensioning action of the prestressed tendons, and the pier body automatically resets.
Description
Technical Field
The patent of the utility model relates to a technical field of structural engineering particularly, relates to an assembled pier that possesses from restoring to throne and consume energy by force.
Background
The assembled construction transports the bridge construction prefabricated in the factory or on the spot to the bridge position department and assembles, can alleviate environmental pollution, and is little to traffic and resident's life influence, assembles substructure and also adopts prefabricated technique from bridge superstructure prefabrication, and current assembled bridge beam develops comprehensively, has developed and has covered pile foundation, pier stud, bent cap, abutment, retaining wall, girder, anticollision barrier's full assembled bridge construction to become the mainstream of bridge construction gradually.
Generally, the assembled pier is a straight-tube hollow pier, a plastic hinge area is formed between a pier body and a bearing platform body, in order to ensure the connection reliability between the pier body and the bearing platform body, a prestress connection mode is often adopted, the plastic hinge area at the bottom of the pier of the traditional prestress connection mode is easy to rigidly rotate, the marginal area concrete of the pier body is cracked or even crushed in the rotation process, the pier body and the bearing platform are connected through prestress, and the contact surface does not have a shear key or other limiting devices, the joint position is easy to be damaged due to large local stress, and the marginal area concrete of the pier is crushed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a possess from assembled pier that restores to throne and consume energy by force, aim at solving prior art, the easy problem that influences pier shaft security that ftractures of the marginal zone of assembled pier body.
The utility model is realized in such a way that the assembled pier with self-reset and strong energy consumption comprises a bearing platform body, a pier body and prestressed tendons;
the upper end surface of the bearing platform body is provided with an inward-concave fixing groove, and the bottom of the pier body is assembled in the fixing groove;
the pier body is provided with a lower connecting section, the lower connecting section extends outwards around the pier body to form a connecting block, and an upper prestressed tendon pipeline is reserved in the connecting block;
the lower end of the prestressed tendon is embedded in the bearing platform body, and the prestressed tendon penetrates through the upper prestressed tendon pipeline.
Furthermore, a lower prestressed tendon pipeline is preset in the bearing platform body, and the lower prestressed tendon pipeline is communicated with the upper prestressed tendon pipeline.
Furthermore, the fixing groove comprises a concave part and a convex part, a cavity is arranged at the bottom of the lower connecting section, the convex part is embedded in the cavity, and the peripheral part of the cavity is embedded in the concave part.
Furthermore, a rubber cushion layer is laid on the sunken part, and the bottom of the pier body is hoisted above the rubber cushion layer.
Furthermore, an energy consumption rod is pre-buried in the middle of the protruding portion, an arrangement hole is reserved in the lower connection section, and the upper portion of the energy consumption rod penetrates through the arrangement hole.
Furthermore, an anchoring device is pre-embedded in the bearing platform body, the anchoring device is located below the lower prestressed tendon pipeline, and the prestressed tendon is anchored on the anchoring device.
Furthermore, the anchoring device is a clamping piece anchoring device, an upset head anchoring device, a conical plug anchoring device, an embossing anchoring device, an extrusion anchoring device or a nut anchoring device.
Furthermore, after the pier body is installed, the prestressed tendons are tensioned, and clamping piece anchorage devices, heading anchorage devices, cone plug anchorage devices or nut anchorage devices are arranged at the tensioning ends of the prestressed tendons.
Furthermore, the energy dissipation rod is a lead core rod.
Furthermore, the number of the prestressed tendons is more than four, and the prestressed tendons are uniformly distributed on the lower connecting section.
All in all, through the above technical scheme that the utility model conceived compares with prior art, can gain following beneficial effect:
1. the utility model provides an assembled pier with self-resetting and strong energy consumption, which comprises a bearing platform body, a pier body, prestressed tendons, a rubber cushion layer and an energy consumption rod; the upper surface of the bearing platform body is downwards sunken to form a fixing groove with the same shape as the lower connecting section of the pier body; the pier body is divided into an upper supporting section and a lower connecting section, the periphery of the lower connecting section protrudes outwards to form a connecting block, a prestressed pipeline is reserved in the connecting block, and a solid pier form with reserved energy consumption bar arrangement holes is prefabricated inside the connecting block; a layer of rubber cushion layer is laid on the bottom of the fixed groove in advance before the pier is installed, the position of the prestressed reinforcement is changed by changing the form of the pier connection section, and the rubber cushion layer is used for assisting, so that the pier has the advantages of a traditional prestressed connection mode, and the defects of the prestressed pier can be overcome to a certain degree.
2. The utility model provides a pair of possess from assembled pier that restores to throne and consume energy by force because outwards set up the connecting block around the sub-unit connection section of pier body to wherein arrange stretch-draw prestressed tendons, avoided the prestressing force pore road to the weakening of pier body, strengthened the vertical bearing capacity of pier body in prestressing force connected mode.
3. The utility model provides an assembled pier that possesses from restoring to throne and power consumption reinforce lays a layer of rubber bed course in pier bottom, can prevent that the pier body from leading to the marginal concrete of pier body to be conquashed because of eccentric pressurized or other special circumstances, can also increase the anti-seismic performance of pier; the addition of the prestressed tendons increases the post-earthquake self-resetting performance of the pier, and the post-earthquake residual deformation is small, thereby being beneficial to repair;
4. the utility model provides an assembled pier with self-reset and strong energy consumption, which is convenient for construction without adopting temporary fixing measures during construction; and other special construction processes are not needed, so that the construction is simple.
Drawings
Fig. 1 is a schematic structural diagram of an assembled pier with self-resetting and high energy consumption provided by the present invention;
fig. 2 is a schematic bottom view of a pier body having a self-resetting and energy-intensive assembled pier provided by the present invention;
fig. 3 is a schematic cross-sectional view of a bearing platform body of an assembled pier with self-resetting and high energy consumption provided by the present invention;
fig. 4 is a schematic top view of the bearing platform body of the assembled pier provided by the present invention with self-resetting and high energy consumption.
Description of reference numerals:
1-bearing platform body, 101-fixing groove, 1011-concave part and 1012-convex part;
2-pier body, 201-upper supporting section, 202-lower connecting section, 2021-connecting block, 2022-cavity and 2023-arrangement hole;
3-prestressed tendons, 301-an upper prestressed tendon pipeline, 302-a lower prestressed tendon pipeline;
4-a rubber cushion layer;
5-energy consumption rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-4, the preferred embodiment of the present invention is shown.
An assembled pier with self-resetting and strong energy consumption comprises a bearing platform body, a pier body and prestressed tendons;
the upper end surface of the bearing platform body is provided with an inward-concave fixing groove, and the bottom of the pier body is assembled in the fixing groove;
the pier body is provided with a lower connecting section, the lower connecting section extends outwards around the pier body to form a connecting block, and an upper prestressed tendon pipeline is reserved in the connecting block;
the lower end of the prestressed tendon is embedded in the bearing platform body, and the prestressed tendon penetrates through the upper prestressed tendon pipeline.
An assembled pier with self-resetting and strong energy consumption comprises a bearing platform body 1, a pier body 2 and prestressed ribs 3, wherein an inward-concave fixing groove 101 is formed in the upper end surface of the bearing platform body 1, and the bottom of the pier body 2 is assembled in the fixing groove 101; the pier body 2 is provided with a lower connecting section 202, the lower connecting section 202 extends outwards around the pier body to form a connecting block 2021, and an upper prestressed tendon pipeline 301 is reserved in the connecting block 2021; the lower end of the prestressed tendon 3 is embedded in the bearing platform body 1, and the prestressed tendon 3 penetrates through the upper prestressed tendon pipeline 301.
The embodiment provides an assembled pier that possesses from restoring to throne and consume energy by force, and the lower part linkage segment 202 of pier body 2 forms connecting block 2021 to outside protrusion around the pier shaft to arrange stretch-draw prestressing tendons 3 among them, avoided the prestressing force pore canal to the weakening of pier body 2, strengthened the vertical bearing capacity of pier body 2 in prestressing force connected mode. When the pier body 2 deflects to a certain degree, the pier body 2 can be pulled back to a normal position by the prestressed tendons 3 under the tensioning action of the prestressed tendons 3, and the pier body is automatically reset.
As shown in fig. 1-2, the present embodiment provides an assembled pier with self-resetting and high power consumption, comprising: cushion cap body 1, pier body 2, prestressing tendons 3, rubber cushion 4 and power consumption stick 5.
The bearing platform body 1 can be prefabricated or cast-in-place, the upper end surface of the bearing platform body 1 is inwards sunken to form a fixing groove 101 which is the same as or corresponding to the bottom of the pier body 2 in shape, the periphery of the fixing groove 101 is sunken, and a convex part 1012 is formed in the middle of the fixing groove. The fixing groove comprises a concave part 1011 and a convex part 1012, the upper end surface of the convex part 1012 can be flush with the upper end surface of the bearing platform body 1, the construction is simple, and only the concave parts on the periphery are dug out; or the upper end surface of the convex part 1012 may be higher than the upper end surface of the bearing platform body 1, so as to enhance the connection between the pier body 2 and the bearing platform body 1. Correspondingly, the bottom of the pier body 2 is provided with a cavity 2022, when the pier body 2 is hoisted to the fixing groove 101 of the bearing platform body 1, the convex part 1012 on the bearing platform body 1 is embedded into the cavity 2022 at the bottom of the pier body 2, and the outer side wall of the convex part 1012 is pressed against the inner side wall of the cavity 2022; the peripheral portion of the cavity 2022 of the pier body 2 is embedded in the concave portion 1011 of the fixing groove 101, so that the bottom of the pier body 2 is stably connected to the cap body 1.
Preferably, the outer contour of the fixing groove 101 is slightly larger than the outer contour of the lower connecting section 202 of the pier, so that the hoisting and installation of the pier body 2 are facilitated, and after the installation of the pier body 2 is completed, the surrounding gap between the fixing groove 101 and the lower connecting section 202 is filled with a filling material, wherein the filling material can be concrete, so that the connection stability of the pier is ensured.
The pier body 2 comprises an upper supporting section 201 and a lower connecting section 202, wherein the upper supporting section 201 is a hollow pier in a common form, and can be in the form of a cylindrical hollow pier, a square cylindrical hollow pier and the like, and is used for supporting a bridge. The lower connecting section 202 is in the form of a solid pier, a vertically downward arrangement hole 2023 is reserved in the lower connecting section, and the upper part of the energy consumption rod 5 penetrates through the arrangement hole 2023. The lower connecting section 202 extends outwards around the pier body to form a connecting block 2021, and an upper prestressed tendon pipeline 301 is reserved in the connecting block 2021; the outer side of the connecting block 2021 is arranged vertically, the upper portion thereof is arranged obliquely, one side of the connecting block 2021 close to the pier body 2 is high, and the side far away from the pier body 2 is low. In the process of casting the pier body 2, a reinforced concrete structure, particularly, the lower connection section 202 and the connection block 2021 are arranged with vertical longitudinal reinforcements, horizontal reinforcements, and annular horizontal stirrups, so as to reinforce the strength of the lower connection section 202 and the connection block 2021.
The arrangement of the connecting blocks 2021 of the pier body 2 avoids the pre-stressed ducts from weakening the pier body 2, and enhances the vertical bearing capacity of the pier body 2 in a pre-stressed connection mode. The outer side of the connecting block 2021 is vertically arranged, and when the lower connecting section 202 of the pier body 2 is connected to the fixing groove 101, the connecting block 2021 is matched with the concave portion 1011 of the fixing groove 101, so as to provide better connection support. The upper portion of the connecting block 2021 is arranged in an inclined manner, one side of the connecting block 2021 close to the pier body 2 is high, and the side far away from the pier body 2 is low, so that the rigidity gradual change of the lower connecting section 202 of the pier body 2 is formed, the stress area of the pier bearing earthquake load is enhanced, and the earthquake resistance of the pier is improved.
In this embodiment, the energy consumption rod 5 is a lead core rod, an alloy rod or an iron core rod, and the energy consumption rod 5 absorbs energy to protect the pier body 2 during an earthquake; the lower part of the energy consumption rod 5 is embedded in the middle of the convex part 1012 of the bearing platform body 1, the upper part of the energy consumption rod 5 is arranged in the reserved arrangement hole 2023 of the lower connecting section 202 of the pier body 2 in a penetrating mode, and the diameter of the arrangement hole 2023 is equal to that of the energy consumption rod 5 or the diameter of the arrangement hole 2023 is slightly larger than that of the energy consumption rod 5. The arrangement of the energy consumption rods 5 improves the seismic performance of the pier, and the energy consumption rods 5 are damaged preferentially under the action of an earthquake so as to protect the pier body 2.
When the pier body 2 is prefabricated, the arrangement holes 2023 are prefabricated at the same time and can be formed by pouring reinforced concrete, and after the pier body 2 is hoisted and the energy dissipation rods 5 penetrate through the arrangement holes 2023, gaps between the energy dissipation rods 5 and the arrangement holes 2023 can be filled with concrete grouting. Preferably, the arrangement hole 2023 may be formed by a sleeve, for example, a steel sleeve is embedded in the bottom of the pier body 2, the inner diameter of the steel sleeve is slightly larger than or equal to the diameter of the energy consumption rod 5, when the pier body 2 is hoisted, the upper portion of the energy consumption rod 5 is inserted into the steel sleeve, the assembly precision is obviously improved, and the edge breakage phenomenon of the arrangement hole 2023 is avoided.
The lower end of the prestressed tendon 3 is embedded in the bearing platform body 1, and the upper end thereof penetrates through the upper prestressed tendon pipeline 301 prefabricated in the connecting block 2021. An anchoring device is pre-embedded in the bearing platform body 1, the lower end of the prestressed tendon 3 is anchored on the anchoring device, a lower prestressed tendon pipeline 302 is pre-arranged above the anchoring device and in the bearing platform body 1, and the prestressed tendon 3 penetrates through the lower prestressed tendon pipeline 302. The lower tendon duct 302 is in communication with the upper tendon duct 301. Preferably, the upper tendon duct 301 and the lower tendon duct 302 are vertically arranged. From bottom to top, the lower end of the prestressed tendon 3 is anchored on the anchoring device, the lower part of the prestressed tendon 3 is arranged in the lower prestressed tendon pipeline 302 in a penetrating mode, and in the installation process of the pier body 2, the upper part of the prestressed tendon 3 is arranged in the upper prestressed tendon pipeline 301 in a penetrating mode; after the pier body 2 is installed, the upper ends of the prestressed tendons 3 are tensioned, so that the pier body 2 is kept vertically arranged, and the upper ends of the prestressed tendons 3 are fixed. The upper end of the upper prestressed tendon pipeline 301 can be arranged in a counter bore mode, so that the tensioning end of the prestressed tendon 3 is fixed in the counter bore, and the end face of the counter bore is horizontally arranged, and the tensioning end is favorably fixed.
The prestressed tendons 3 are divided into a clip type (single-hole and multi-hole clip type), a support type (upset head anchor, nut anchor, etc.), a cone type (steel cone anchor, etc.) and a bond type (extrusion anchor, embossed anchor, etc.) according to different anchoring modes by using anchors, clamps and connectors. The engineering design unit selects a proper anchorage device according to the structure requirement, the technical performance of the product and the tensioning construction method.
When the prestressed tendon 3 is a steel strand or a steel strand bundle, a clamping piece anchorage is selected at the tensioning end, and at the fixed end: if the anchor is installed outside the structure, a clip anchor or an extrusion anchor is selected; if installed within the structure, an embossed anchor or an extruded anchor is selected.
When the prestressed tendon 3 is a high-strength steel wire bundle, a clamping piece anchorage, an upset head anchorage or a conical plug anchorage is selected at the tensioning end, and the anchoring force is measured at the fixed end: if the anchor is installed outside the structure, a clamping piece anchor, an extrusion anchor or a heading anchor is selected; if installed within the structure, an upset head anchor or an extruded anchor is selected.
When prestressing tendons 3 are finish rolling twisted steel, select nut ground tackle for use at the tensioning end, at the stiff end: if the anchor is installed outside the structure, a nut anchor is selected.
The number of the prestressed tendons 3 can be adjusted according to the structural design requirements, and the number can be four, but is not limited to four. When the prestressed tendons 3 are arranged, the prestressed tendons are preferably uniformly arranged around the pier body 2, so that the tensioning force of the prestressed tendons 3 borne by the pier body 2 is balanced. When the pier body 2 deflects to a certain degree, the pier body 2 can be pulled back to a normal position by the prestressed tendons 3 under the tensioning action of the prestressed tendons 3, and the pier body is automatically reset.
The bottom of the fixing groove 101 of the bearing platform body 1 is paved with a rubber cushion 4, and the lower connecting section 202 of the pier body 2 is hoisted above the rubber cushion 4. The rubber cushion layer 4 has high elastic deformation and bearing functions, can prevent the edge concrete of the pier body 2 from being crushed due to eccentric compression or other special conditions, and can also increase the anti-seismic performance of the pier.
In this embodiment, lay one deck rubber bed course 4 in advance at fixed slot 101 bottom before installation pier body 2 to through the lower part linkage segment 202 form that changes pier body 2, change the position of prestressing steel, be aided with rubber bed course 4 again, guaranteed that the pier had both had the advantage of traditional prestressing force connected mode, can overcome the shortcoming of traditional prestressing force pier to a certain extent again. The traditional prestressed bridge pier has the following defects: the pier bottom plastic hinge region of the pier adopting the traditional prestress connection mode is easy to rigidly rotate, the marginal region concrete of the pier body 2 is cracked or even crushed in the rotation process, the pier body and the bearing platform foundation are connected through prestress, and when no shear key or other limiting devices are arranged on the contact surface, the joint position is easy to be damaged due to large local stress, so that the marginal region concrete of the pier is crushed. The rubber cushion layer 4 not only can play a role in energy dissipation and shock absorption, but also can avoid the concrete cracking and even crushing of the edge area of the pier body 2, ensure the flexible contact between the pier body 2 and the bearing platform body 1, is favorable for the automatic reset of the pier body 2, and further improves the self-reset and strong energy dissipation performance of the assembled pier.
The rubber cushion layer 4 is laid at the bottom of the fixing groove 101, the thickness of the rubber cushion layer is adjusted according to the number of the prestressed ribs 3 of the pier body 2, the pier body 2 is stressed under special conditions to play a buffering role, the anti-seismic energy dissipation role can be played, and the normal laying and use of the pier are not affected.
The rubber cushion layer 4 may be made of natural rubber or synthetic rubber, or may be a multi-layer structure, for example, a lead core rubber support, which is formed by laminating and bonding lead core rods, rubber layers, steel plates, etc., wherein the steel plates are disposed on the upper and lower end surfaces, the rubber layers are disposed between the upper and lower steel plates, the rubber layers are formed by alternately laminating a plurality of layers of natural rubber and a plurality of layers of steel plates, a lead core is disposed in the center of the rubber layers, and the lead core is connected with the upper and lower steel plates. In the above structure, the lead core helps the carrier to be pulled back to the original position after an earthquake, the natural rubber enables the rubber cushion layer 4 to be horizontally deformed, the steel sheet enables the rubber cushion layer 4 to have the capability of vertical load, and the upper steel plate and the lower steel plate can be used for fixing the rubber cushion layer 4 between the bottom of the fixing groove 101 and the bottom of the pier body 2. The rubber cushion layer 4 has high bearing capacity, high damping capacity, high horizontal displacement capacity and reset function, and is a shock isolation device integrating supporting and energy consumption.
A construction method of an assembly type pier with self-resetting and strong energy consumption comprises the following steps:
s01: prefabricating a pier body 2, wherein the pier body 2 comprises an upper support section 201 and a lower connecting section 202, the lower connecting section 202 extends outwards around a pier body to form a connecting block 2021, and an upper prestressed tendon pipeline 301 is reserved in the connecting block 2021;
s02: pouring the bearing platform body 1, forming an inward-concave fixing groove 101 on the upper end surface of the bearing platform body 1 in the pouring process, assembling the bottom of the pier body 2, and embedding the lower end of the prestressed tendon 3 and the lower part of the energy dissipation rod 5 in the bearing platform body 1;
s03: hoisting the prefabricated pier body 2 to the bearing platform body 1, so that the lower connecting section 202 is embedded into the fixing groove 101, the prestressed tendons 3 penetrate through the upper prestressed tendon pipeline 301, and the upper part of the energy consumption rod 5 penetrates through the lower connecting section 202;
s04: after the pier body 2 is installed, the upper ends of the prestressed tendons 3 are tensioned, the pier body 2 is kept vertically arranged, and the upper ends of the prestressed tendons 3 are fixed.
In step S01, in the process of prefabricating the pier body 2, the lower connection section 202 is prefabricated into a solid pier form, and the arrangement hole 2023 is reserved inside the lower connection section 202 for arranging the upper portion of the energy consumption bar 5.
In step S01, when prefabricating the pier body 2, the connection block 2021 is arranged with the outer side vertical and the upper part inclined, and the side of the connection block 2021 close to the pier body 2 is high and the side far from the pier body 2 is low, thereby realizing gradual change of the rigidity of the lower connection section 202.
In step S02, an anchor device is embedded in the bearing platform body 1, a lower tendon pipe 302 is provided above the anchor device, the lower end of the tendon 3 is anchored to the anchor device, and the lower part of the tendon 3 is inserted into the lower tendon pipe 302.
In step S03, before the bridge pier body 2 is hoisted, the rubber pad 4 is laid on the bottom of the fixed groove 101, and the bottom of the lower connecting segment 202 of the bridge pier body 2 is hoisted above the rubber pad 4.
In step S04, the tendon 3 is put in a taut state during tensioning of the tendon 3.
The outer contour of the fixing groove 101 is larger than the bottom of the lower connecting section 202, and after the step S04 is completed, the gap between the fixing groove 101 and the lower connecting section 202 is filled with a filling material.
After step S04 is completed, the gap between the energy consumption bar 5 and the inner wall of the arrangement hole 2023 is filled with a filler.
In summary, with the above technical solution contemplated by the present invention, the following beneficial effects can be obtained:
1. the utility model provides an assembled pier with self-resetting and strong energy consumption, which comprises a bearing platform body 1, a pier body 2, prestressed tendons 3, a rubber cushion layer 4 and an energy consumption rod 5; the upper surface of the bearing platform body 1 is downwards sunken to form a fixing groove 101 with the same shape as the lower connecting section 202 of the pier body 2; the pier body 2 is divided into an upper supporting section 201 and a lower connecting section 202, the periphery of the lower connecting section 202 protrudes outwards to form a connecting block 2021, a prestressed pipeline is reserved in the connecting block 2021, and a solid pier form with reserved energy consumption bar 5 arrangement holes 2023 is prefabricated inside the connecting block; a layer of rubber cushion layer 4 is laid at the bottom of the fixing groove 101 in advance before the pier is installed, the position of the prestressed reinforcement is changed by changing the form of the pier connection section, and the rubber cushion layer 4 is used as an auxiliary material, so that the pier has the advantages of a traditional prestressed connection mode, and the defects of a prestressed pier can be overcome to a certain degree.
2. The utility model provides a pair of possess from assembled pier that restores to throne and consume energy by force because outside connecting block 2021 that sets up all around in the sub-unit connection section 202 of pier body 2 to arrange stretch-draw prestressing tendons 3 wherein, avoided the prestressing force pore canal to the weakening of pier body 2, strengthened the vertical bearing capacity of pier body 2 in prestressing force connected mode.
3. The utility model provides an assembled pier that possesses from restoring to throne and power consumption reinforce lays a layer of rubber bed course 4 in pier bottom, can prevent that pier body 2 from leading to the marginal concrete of pier body 2 to be conquashed because of eccentric pressurized or other special circumstances, can also increase the anti-seismic performance of pier; the addition of the prestressed tendons 3 increases the post-earthquake self-resetting performance of the pier, and the post-earthquake residual deformation is small, thereby being beneficial to repair;
4. the utility model provides an assembled pier with self-reset and strong energy consumption, which is convenient for construction without adopting temporary fixing measures during construction; and other special construction processes are not needed, so that the construction is simple.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An assembled pier with self-resetting and strong energy consumption is characterized by comprising a bearing platform body, a pier body and prestressed tendons;
the upper end surface of the bearing platform body is provided with an inward-concave fixing groove, and the bottom of the pier body is assembled in the fixing groove;
the pier body is provided with a lower connecting section, the lower connecting section extends outwards around the pier body to form a connecting block, and an upper prestressed tendon pipeline is reserved in the connecting block;
the lower end of the prestressed tendon is embedded in the bearing platform body, and the prestressed tendon penetrates through the upper prestressed tendon pipeline.
2. The assembled pier with self-resetting and high energy consumption of claim 1, wherein a lower tendon duct is preset in the cap body, and the lower tendon duct is communicated with the upper tendon duct.
3. The assembled pier having the self-restoration and high energy consumption according to claim 2, wherein the fixing groove comprises a recess portion and a protrusion portion, the bottom of the lower connecting section is provided with a cavity, the protrusion portion is inserted into the cavity, and the peripheral portion of the cavity is inserted into the recess portion.
4. The assembled pier with self-resetting and high energy consumption of claim 3, wherein a rubber cushion is laid on the concave part, and the bottom of the pier body is hung above the rubber cushion.
5. The assembled pier with self-resetting and high energy consumption of claim 4, wherein an energy consumption rod is embedded in the middle of the protruding part, an arrangement hole is reserved in the lower connecting section, and the upper part of the energy consumption rod penetrates through the arrangement hole.
6. The assembled pier with self-restoration and high energy consumption of claim 5, wherein an anchoring device is embedded in the bearing platform body, the anchoring device is positioned below the lower tendon pipeline, and the tendons are anchored on the anchoring device.
7. The assembled pier with self-resetting and high energy consumption of claim 6, wherein the anchoring device is a clip anchor, an upset head anchor, a conical plug anchor, an embossed anchor, an extruded anchor or a nut anchor.
8. The fabricated pier with self-restoration and high energy consumption of claim 7, wherein the tendon is tensioned after the pier body is installed, and a clip anchor, an upset anchor, a cone plug anchor or a nut anchor is arranged at the tensioning end of the tendon.
9. An assembled pier with self-resetting and high energy consumption according to any one of claims 5 to 8, wherein the energy consumption rod is a lead core rod.
10. An assembled pier with self-resetting and high energy consumption according to any one of claims 1 to 8, wherein the number of the prestressed tendons is four or more, and the prestressed tendons are uniformly distributed in the lower connecting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067375.5U CN214993017U (en) | 2021-01-11 | 2021-01-11 | Assembled pier that possesses from restoring to throne and consume energy by force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067375.5U CN214993017U (en) | 2021-01-11 | 2021-01-11 | Assembled pier that possesses from restoring to throne and consume energy by force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214993017U true CN214993017U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120067375.5U Expired - Fee Related CN214993017U (en) | 2021-01-11 | 2021-01-11 | Assembled pier that possesses from restoring to throne and consume energy by force |
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| Country | Link |
|---|---|
| CN (1) | CN214993017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382004A (en) * | 2022-01-20 | 2022-04-22 | 北京工业大学 | Self-reset double-column pier system with replaceable shearing energy consumption device |
-
2021
- 2021-01-11 CN CN202120067375.5U patent/CN214993017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382004A (en) * | 2022-01-20 | 2022-04-22 | 北京工业大学 | Self-reset double-column pier system with replaceable shearing energy consumption device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |