2478results about "Bridge materials" patented technology

The invention discloses a cable-stayed and buckled multi-cable synchronous regulation and control method and system based on hydraulic cooperation, and the method comprises the steps: obtaining the information of each cable, configuring a hydraulic device for each cable, grading and dividing the tensioning operation of the hydraulic devices into a plurality of tensioning levels, distributing a sub-target tensioning force for each tensioning level, the hydraulic device is controlled to stretch each inhaul cable from the first stretch-draw level according to the number of the inhaul cable and the initial stretch-draw force of the inhaul cable until the sub-target stretch-draw force corresponding to the current stretch-draw level is reached, the next stretch-draw level is entered, and the current stretch-draw force of each inhaul cable is monitored in real time; comparing the pressure difference approaching variable with a pressure difference approaching variable threshold value, and finely adjusting the corresponding inhaul cable according to a comparison result; the method comprises the following steps: generating a plurality of tension proximity diagrams according to the real-time monitored current tension force of each inhaul cable, searching for the inhaul cable with tension kick according to node conditions in the tension proximity diagrams, and sending out alarm information.

The invention discloses a continuous rigid frame bridge construction monitoring method which comprises the following steps: before cantilever casting construction, arranging linear monitoring points along the longitudinal axis direction of a bridge according to the spacing of 8-12 meters, and respectively arranging stress monitoring points on a top plate and a bottom plate of the root section of each section; synchronously acquiring three-dimensional coordinate data of the linear monitoring points and real-time strain data of the stress monitoring points in the process of pouring each section in a cantilever manner; the collected linear data and stress data are input into a finite element model for collaborative analysis, and when a linear deviation value exceeds + / -5% of a designed pre-camber value and the deviation between a stress measured value and a theoretical calculation value exceeds + / -8%, an adjustment instruction is automatically generated; according to the adjusting instruction, the elevation of the front fulcrum of the hanging basket is adjusted through the hydraulic jack during construction of the next section; after initial setting of the adjusted segment concrete, linear data and stress data are collected, and the actually measured data and a finite element model prediction value are compared and verified. The method can help to guarantee the safety and durability of the continuous rigid frame bridge.

The present invention proposes an intermediate diaphragm-free, suspended formwork-free, and negative moment tooth block-free beam bridge, and a design method thereof. The beam bridge includes prefabricated main girders, a wet joint, lower structures, and pier cap transverse beams above the lower structures. The concrete deck slabs of adjacent prefabricated main girders are connected by the wet joint. The design method of the above beam bridge includes the following steps: S1, initial design of the main girders; S2, calculation of the non-uniform deflection of the main girders and the indirect transverse stress of the deck slabs; S3, calculation of the direct transverse stress of the deck slabs; S4, crack resistance verification of the deck slab; S5, optimization of bridge parameters to reduce the stress on the driving surface; S6, completion of the beam bridge design. The beam bridge and its design method effectively solve the problem that the existing intermediate diaphragm-free beam bridge is prone to longitudinal cracking at the joints, and realize the suspension tension without the wet joint suspended formwork of the deck slab and the negative bending moment tendon, and have better mechanical properties and better economic, environmental and social benefits, which can facilitate the promotion and application of such bridges in various types of highways , railways and municipal engineering.

According to the pier-side supporting leg moving and transporting method based on cooperative work of the moving trolley and the transporting trolley, connection of a pier-side supporting leg at the position of a bridge pier on the rear side is relieved, a jacking oil cylinder of a hooking mechanism on the upper portion of the moving trolley contracts, the pier-side supporting leg is lifted, then the transporting trolley is moved to the outer side of the pier-side supporting leg, and the pier-side supporting leg is moved to the rear side of the transporting trolley. A transverse moving driving mechanism of the shifting trolley drives the pier-side supporting leg to transversely move outwards, so that a top flange of the pier-side supporting leg is inserted into a bottom hooking mechanism of the conveying trolley, and the conveying trolley rotates the pier-side supporting leg by 90 degrees to enable the pier-side supporting leg to be longitudinally arranged; then the conveying trolley walks to the position of the next pier on the front side, the pier-side supporting legs are transversely arranged, and the top flanges of the pier-side supporting legs are connected with a hooking mechanism on the lower portion of the shifting trolley in a hooking mode; and then, a transverse moving driving mechanism of the shifting trolley drives the pier-side supporting leg to transversely move inwards to a designated position along the lower hooking mechanism, so that moving of the pier-side supporting leg is completed.

The invention belongs to the technical field of concrete, and particularly relates to a preparation method and application of coal gangue-based ultra-high performance concrete UHPC for wet joints. Through composite gradient activation of calcination and ball milling and alkali-lithium salt synergistic excitation, efficient dissolution of active components of the coal gangue is achieved, the 3d compressive strength of the UHPC material is larger than or equal to 120 MPa, the 28d compressive strength of the UHPC material is larger than or equal to 150 MPa, and the UHPC material is improved compared with a traditional coal gangue-based material; meanwhile, through the synergistic effect of nano SiO2 / graphene oxide multi-scale reinforcement and steel fiber toughening, the interface bonding strength reaches 12-14 MPa, the chloride ion diffusion coefficient is smaller than 1.5 * 10 <-12 > m < 2 > / s, and the problems of wet joint interface debonding and durability degradation are solved.

The invention discloses a high-pier large-span extra-large bridge suspended pouring beam hanging basket construction method, and belongs to the field of bridge engineering construction.The method comprises the following steps that hanging basket rails are installed, the precision is controlled, and a hanging basket comprising a double-channel-steel main truss, a manganese steel sling, an arc-shaped flow guide plate and a honeycomb formwork is assembled; grading pre-pressing is carried out according to the specified multiple of the design load, and the pre-camber of the template is corrected by adopting a BP neural network to ensure that the finished bridge linear error meets the requirement; a mechanical-hydraulic-electrical integrated intelligent control system is deployed, and the traveling speed and synchronism of the hanging basket are controlled through double-oil-cylinder driving, a 5G digital twin platform and an edge computing technology, so that rapid alarm is realized when the load is abnormal; segmental circulation construction is carried out, and when the environment wind speed reaches a set value, a hydraulic rail clamping device is automatically locked; a model is established by using ANSYS software, and simulation verification is performed on multiple types of key working conditions to ensure that the safety coefficient of the structure meets the specification requirement. The construction precision and safety are guaranteed, and the method adapts to complex environments.

The invention provides an overall one-time total splicing manufacturing process for a large section of an ultra-wide three-box separation type steel box girder. The overall one-time total splicing manufacturing process comprises the steps that a cross beam is positioned; the bottom plate of the middle box and the first inclined bottom plate units of the two side boxes are positioned; a side box second inclined bottom plate and a side box web unit are assembled; assembling and welding the diaphragm plate units; assembling and welding the tuyere box units; positioning, assembling and welding the first top plate unit; and other top plate units are assembled and welded. The steel box girder is integrally manufactured at a time, that is, steel box girder sections are linearly arranged on the top faces of the supporting plates of the total splicing jig frame in the longitudinal and transverse directions, and the plate units are closely attached to the steel box girder sections at a time to achieve longitudinal and transverse linear arrangement of the steel box girder. And meanwhile, steel box girder assembly and pre-assembly are completed on the same jig frame at a time, the time needed for temporary storage and reshipment of girder sections is greatly shortened, the occupied temporary storage site in a factory is reduced, the occupied amount of an overall assembly site is also reduced, meanwhile, secondary linear accurate positioning does not exist, the traditional overall assembly process of the steel box girders is met, and the quality and precision of the steel box girders are guaranteed.

The invention discloses a corrugated steel web I-shaped section and a manufacturing method of a steel box composite beam, and relates to the technical field of steel box composite beams. The rod piece web I-shaped piece is installed on the side face of the bottom plate unit; the partition plate type web I-shaped pieces are installed on the side faces of the bottom plate units, and the partition plate type web I-shaped pieces are connected with the rod piece web I-shaped pieces; the solid-web type partition plate units are installed on the bottom plate units, and the solid-web type partition plate units are arranged between the partition plate type web I-shaped pieces; the truss type partition plate units are installed on the bottom plate units, and the truss type partition plate units are arranged between the rod piece web I-shaped pieces. The manufacturing method of the steel box composite beam comprises the steps that the bottom plate units, the web I-shaped pieces and the partition plate units are transported to a site to be erected, assembled and welded. The technical problem that in the prior art, a concrete bottom plate and corrugated steel web structure cannot meet the requirement for a large-span bridge is solved.

The construction platform comprises two moving tables symmetrically arranged on the two sides of the cylindrical pier, the two moving tables are made to be away from or close to each other through a translation driving mechanism, a supporting beam assembly shares loads of the moving tables, and a lifting driving mechanism drives the moving tables to ascend and descend synchronously. When the jacking mechanism is in place, the bottom of the supporting beam assembly is jacked to complete supporting system conversion, and the structure of each assembly and the construction method steps are described in detail. The technical effects that repeated self-lifting construction can be achieved, an avoiding space can be provided for moving of the moving table, supporting system conversion is effectively achieved, the construction efficiency and convenience are improved, and construction of the straining beam and the capping beam in the cylindrical pier is completed are achieved.

The invention relates to the technical field of epoxy asphalt batching equipment, discloses an epoxy resin batching device for steel bridge deck pavement and an adding process thereof, solves the technical problems in the prior art, and comprises a storage tank, a metering and weighing system, a conveying system and a central control system, the storage tank comprises a first storage tank A and a second storage tank B; the metering and weighing system comprises a first metering pump a, a second metering pump b and a metering hopper; the conveying system is installed between the metering hopper and a mixing cylinder of a mixing plant and used for providing power to feed and add a mixture in the metering hopper into the mixing cylinder. The conveying system comprises a pneumatic control valve, a conveying pump, a gas-liquid mixer, an electromagnetic valve and a compressed air source. And the central control system is used for controlling the operation of the batching device and controlling the completion of the circulation control period. According to the technical scheme, the novel epoxy resin adding equipment is developed and used for circularly batching, the batching proportion is automatically formed, and the working efficiency is high.

The utility model relates to an FEBD seamless bridge deck connecting plate adopting a T-shaped shear nail structure, which comprises a semi-continuous UHPC bridge deck connecting plate arranged on the upper side of a telescopic gap at a beam end in a crossing manner, and a polyurethane pavement layer used for bearing vehicle load is paved on the upper side of the semi-continuous UHPC bridge deck connecting plate. T-shaped shear nails are arranged between the polyurethane pavement layer and the semi-continuous UHPC bridge floor connecting plate. According to the connecting plate, the seamless bridge floor can be realized, and the diseases such as pavement layer disengagement and hemming caused by large deformation difference when wheels pass through the expansion joint are obviously relieved; and in addition, the complex space stress state of the bridge deck can be better adapted, the normal use requirement of the bridge deck continuous structure is met, the construction period is effectively shortened, and the influence on traffic is small.

The invention discloses a high-efficiency cable intelligent control method and system for a steel box truss arch bridge, and the method comprises the steps: 101, sampling the tensioning force of all cables according to a preset sampling period, generating the tension time sequence data of all cables, dividing the tension time sequence data of each cable into a plurality of main windows, each main window is divided into a plurality of sub-windows; 102, sub-windows in each main window are divided into static state sub-windows and dynamic state sub-windows, and the main windows with the number of the dynamic state sub-windows exceeding a dynamic number threshold value serve as dynamic section main windows; and step 103, judging whether each dynamic state sub-window in the dynamic section main window has cable drift or not, and if the cable drift occurs, adjusting the cable.

The invention discloses a non-stage-difference side mode system of a multi-size bridge deck slab and a self-adaptive control method of the non-stage-difference side mode system. The non-stage-difference side mode system comprises an electromagnetic locking bottom mode, a non-stage-difference side mode, an Internet of Things module, a data transmission module, a computer vision module, an intelligent decision-making module and an electromagnetic control module. Through electromagnetic induction matching between the electromagnetic locking bottom die and the step-free side die, traction, positioning and locking of the side die are achieved, so that bridge decks of multiple sizes are adapted in a step-free mode, and the flexibility of template adjustment, the production efficiency and the installation precision are improved; the self-adaptive control method comprises the steps of appearance judgment of the non-stage-difference side formwork, non-stage-difference in-place of the side formwork, electromagnetic locking of the side formwork, judgment and control of the concrete forming stage and dismantling of the non-stage-difference side formwork. Electromagnetic attraction force or electromagnetic repulsive force needed during traction, in-position and locking of the side die is determined through the neural network technology, and then the current direction and current intensity applied to all the electromagnetic induction coils are determined.

The invention discloses a welding device for cable-stayed bridge construction, and relates to the field of welding devices.The welding device comprises a welding machine case, a follow-up base is installed on the bottom side of the welding machine case, two expansion sliding plates are installed on the bottom side of the follow-up base in a sliding mode, and two advancing bases are installed on the bottom sides of the expansion sliding plates; a plurality of advancing wheels are rotationally mounted on the advancing seat; and the device further comprises a blocking and avoiding device and an active expansion device. It needs to be explained that when movement of the welding machine case is blocked, the advancing supporting arm is folded, the purpose of active obstacle avoidance is achieved, and flexible movement of the welding machine case is guaranteed; besides, if the advancing wheels on the same side are all blocked, the expansion sliding plates are automatically unfolded, the purpose of actively avoiding obstacles is achieved again, the problem that the welding machine case cannot advance and even turns over when encountering large obstacles is prevented, the safety of the welding machine case is guaranteed, and then the welding construction efficiency of the cable-stayed bridge can be guaranteed.

The invention relates to the technical field of bridge construction engineering, and discloses a prefabricated bridge plate integral tensioning structure which comprises a bridge plate structure and a hydraulic driving device, the bridge plate structure comprises a bridge plate body, a plurality of through holes are formed in the bridge plate body, and the bridge plate body is provided with a plurality of corrugated pipes through the through holes; according to the bridge plate, through the arrangement of a double-liquid space control and limiting baffle structure of the hydraulic driving device, in the springback process after tensioning is completed, the displacement sensor monitors displacement of the steel strands in real time, and when it is detected that the springback distance is abnormal, the steel strands are driven by the hydraulic driving device to move back and forth. The position of the first anchor clamping piece is cooperatively adjusted through the third push rod and the second push rod, it is ensured that the first anchor clamping piece is tightly attached to an anchorage device hole, damage to the interior of a bridge plate due to too high prestress is avoided, potential safety hazards in subsequent use are reduced, and the structural stability is improved.

The utility model belongs to the technical field of steel-concrete bridges, and particularly relates to a steel pipe concrete column type pier and steel box girder connecting structure with a steel sleeve reinforcing function. The utility model provides a steel pipe concrete column type pier and steel box girder connecting structure with a steel sleeve reinforcing function, which can be used for reinforcing a steel box girder by arranging in-pipe pre-cast concrete, a box girder bottom plate, a bottom plate opening, cast-in-place concrete, a vertical reinforcing steel bar, a penetrating hole, an inserting sleeve unit and an annular reinforcing frame body unit on a pier steel pipe. Therefore, the inserting sleeve unit and the annular reinforcing frame body unit can achieve the reinforced connection effect of a steel structure framework in cast-in-place concrete, it is guaranteed that the steel-concrete connecting structure has the tensile effect of steel and the compressive effect of concrete, and the connecting structure can be stably used for a long time.

The invention relates to the technical field of cable-stayed bridge construction, in particular to a cable-stayed bridge cable force determination method based on process control, which comprises a cable-stayed bridge cable tower, a stay cable and a main beam section, a finite element model is established according to the sizes of the cable tower and the main beam section, and after the zero section in the main beam section is simulated and installed, the zero section is determined. Installing first segments on the left side and the right side of the zero segment respectively, tensioning prestressed steel beams in the first segments, operating a finite element model, recording bending moment values of beam ends of the first segments, setting virtual support constraint node vertical and torsional displacement at the beam ends of the first segments, operating a calculation model, and calculating the bending moment values of the first segments; and the vertical counter force and the virtual bending moment value borne by the virtual support are recorded, the virtual support is deleted, a stay cable unit is established between the preset anchor point of the first section and the cable tower anchor point, and different stay cable body internal force is set twice.

The utility model relates to the technical field of bridge expansion and reconstruction, and discloses a bridge widening corrugated plate splicing structure which comprises a corrugated plate, the corrugated plate connects an old bridge with a steel-concrete composite beam through a connecting piece, the corrugated plate is located between the old bridge and the steel-concrete composite beam, the upper portion of the corrugated plate is filled with asphalt concrete, and the lower portion of the corrugated plate is filled with concrete. The top face of the asphalt concrete is flush with the top face of the old bridge and the top face of the steel-concrete composite beam. The corrugated plate is spliced between the old bridge and the steel-concrete composite beam, the upper portion of the corrugated plate is filled with the asphalt concrete so that the plane of the corrugated plate can be flush with the old bridge and the steel-concrete composite beam, the asphalt concrete and the corrugated plate bear additional internal force generated by the settlement difference of the new bridge and the old bridge together, and the crack resistance of the connecting structure at the splicing position can be effectively improved.

A formwork system for a bridge pier configured to support loads associated with bridge pier construction with reduced, or being free of, anchors in the column.

The invention provides an adjustable universal profile steel arch frame adjusting device and an adjusting method thereof, a steel arch frame is connected through a plurality of standard sections to form a steel arch bridge structure, the tops of the adjacent standard sections are connected through an adjusting screw rod, the bottoms of the adjacent standard sections are hinged, the standard sections are provided with speed reducing motors, and the speed reducing motors are connected with the adjusting screw rod. The gear motor drives the nut sleeve of the adjusting screw rod to rotate, and the camber of the whole steel arch can be adjusted by changing the distance between the tops of the adjacent standard sections driven by the nut sleeve. And the adjustment is not limited by the problems of complexity and accuracy of manual adjustment, so that the engineering efficiency and the engineering quality are remarkably improved, the installation cost is reduced, and the safety and durability of a bridge structure are enhanced.

The utility model provides a prefabricated assembly type UHPC-profile steel combined bridge deck structure suitable for a trestle. The prefabricated assembly type UHPC-profile steel combined bridge deck structure comprises a reinforced concrete prefabricated slab, a first connecting part and a second connecting part. The number of the reinforced concrete prefabricated slabs is multiple, and the multiple reinforced concrete prefabricated slabs are flatly laid on a longitudinal beam of a trestle bailey beam. The first connecting part is arranged between the reinforced concrete precast slab and the longitudinal beam and is used for detachably connecting the reinforced concrete precast slab to the longitudinal beam; and the second connecting part is arranged between the two adjacent reinforced concrete prefabricated slabs and is used for mutually splicing the two adjacent reinforced concrete prefabricated slabs. The bridge deck structure is convenient and fast to construct, high in strength and toughness, good in driving comfort and good in durability.

The invention discloses a modular assembly type steel box girder connecting system and a construction method, the modular assembly type steel box girder connecting system comprises a steel box girder and a girder embedded restraint steel end plate, an embedded part is embedded from the connecting end of the steel box girder, an annular wing plate is located outside the steel box girder, and the modular assembly type steel box girder connecting system further comprises a side restraint ring sealing plate and a restraint cover plate, the side restraining ring sealing plates seal the beam end installation gaps on the front side and the rear side and restrain the two annular wing plates on the same side, the restraining cover plates seal the beam end installation gaps on the upper side and the lower side and restrain the two annular wing plates on the same side, and the side restraining ring sealing plates and the restraining cover plates are connected through tenons and mortises. And the central plugging steel plate is used for plugging the central mounting gap. According to the modular assembly type steel box girder connecting system, assembly type connection is adopted completely, welding operation is not needed, restraining components are arranged on the inner side and the outer side of the steel box girder, under the action of external force, the restraining components on the inner side and the outer side act jointly, and the butt joint connecting end portions of the box girder are restrained not to generate relative displacement or corner; therefore, effective butt joint and fixation of the box girders are achieved.

The invention discloses a construction method for prefabricating a concrete steel shell combined section in a factory, and relates to the technical field of bridge construction, and the construction method comprises the following steps: S1, manufacturing a wallboard unit; s2, the inner wall plate units are positioned, then the outer wall plate units are positioned, and then welding is conducted to manufacture steel shell segments; s3, annular structure concrete between the inner wall plate unit and the outer wall plate unit is poured, and steel shell concrete segments are formed; s4, secondary machining is conducted on the steel shell concrete segments; s5, vertical position continuous matching pre-assembly is carried out, after pre-assembly is completed, matching parts are installed, and marker lines are marked; s6, bridge site hoisting and positioning are conducted on the steel shell concrete sections; s7, outer wall plates of the steel shell concrete sections are subjected to butt-joint penetration welding, and then inner wall plates are welded; and S8, concrete pouring is conducted on bridge site ring openings of the steel shell concrete sections, and machining is completed. The technical problem that the construction period is prolonged due to prefabrication of the steel shell sections of the steel shell concrete tower in the prior art is solved.

The utility model discloses a functional gradient principle-based prefabricated combined type anti-collision guardrail, which belongs to the technical field of guardrails, and comprises a bridge deck concrete pavement, a beam plate and a body, one end of the body is connected with an embedded steel bar of the beam plate, the bridge deck concrete pavement is paved on the beam plate, and the beam plate is arranged on the body. The body comprises an anti-cracking and anti-collapse layer, a buffer energy consumption layer and a rigid structure layer which are sequentially arranged from inside to outside on the collision face; wherein the overhanging steel bars of the rigid structure layer are connected with the embedded steel bars of the beam plate. The layered functional gradient type structural design can effectively absorb vehicle collision energy, reduce casualties and reduce bridge structural damage, meanwhile, the layered design is beneficial to later maintenance and replacement, and low-carbon and environment-friendly effects are achieved.

The invention discloses a suspended pouring construction method for a hanging basket of a cable-stayed bridge, belongs to the technical field of bridge construction, and aims to solve the problems of beam section linear deviation caused by deformation of a hanging basket system and bridge tower deviation caused by asynchronous tensioning of stay cables. Performing a staged loading preloading test to obtain elastic deformation data, calculating an anti-arch value based on the data, and dynamically adjusting the elevation of a bottom die platform; a layered pouring process is combined with a real-time deformation monitoring and compensation mechanism, and the accumulated deformation amount is controlled; the longitudinal prestressed steel beams are tensioned in stages, the symmetric tensioning process of the stay cables is synchronously implemented, and bridge tower deviation closed-loop correction is achieved through combination of a displacement sensor and a pressure sensor; in the moving process of the hanging basket, the gravity center offset is monitored, the balance weight is adjusted, and after full-bridge closure, the cable force of the stay cable is optimized in a staged mode to the design state. The method is suitable for large-span cable-stayed bridge girder construction, and high-precision linear control and stable structure forming are achieved.

The present invention belongs to the technical field of bridge protection. In order to solve the problem of how to protect bridge piers from flow-induced vibration (FIV), the present invention provides a method and system for monitoring the bridge piers based on digital twin and a FIV protection device, comprising: an annular steel board and multiple polyurethane boards, an inner wall of the annular steel board is fixedly connected to a structure to be protected, hydraulic devices and multiple energy-dissipation springs are arranged between an outer wall of the annular steel board and the polyurethane boards, and the polyurethane boards are spaced apart. The present invention may reduce or even eliminate the FIV caused by seawater or rivers to the structure to be protected, thereby slowing down the fatigue damage caused by FIV to the structure to be protected.

The invention discloses a movable stable concrete vibrator and relates to the field of vibrators, the movable stable concrete vibrator comprises a bottom plate and a vibrator body, two supporting plates are slidably connected to the two sides of the bottom plate, adjusting assemblies are arranged at the upper ends of the supporting plates, meanwhile, expansion assemblies are fixedly arranged on the upper surface of the bottom plate, and each adjusting assembly comprises a connecting column; a lifting plate is slidably connected between the connecting columns, transverse grooves are formed in the sides, close to the lifting plate, of the connecting columns, uniformly-distributed racks are fixedly connected to one sides of the interiors of the transverse grooves, the outer walls of the driven gears extend out of the lifting plate to rotate in the connecting columns, and the driven gears are meshed with the racks. A driven column is rotated to drive rotating shafts at the two ends to rotate, the rotating shafts drive a driven gear to rotate through a transmission belt, the driven gear is meshed with a rack in a transverse groove of a connecting column, gear rotation is converted into vertical sliding of a lifting plate along the connecting column, the height of a handle is finally adjusted, and the concrete vibrator can be conveniently moved to another area through the handle; actual use requirements are met, and the use cost is reduced.

The invention discloses a self-resetting multi-section prefabricated assembled pier and a construction method, the self-resetting multi-section prefabricated assembled pier comprises a prefabricated cover beam, a pier column and a pier bearing platform, the pier column is formed by splicing a plurality of prefabricated sections, and is connected with the prefabricated cover beam through the prefabricated section located at the top; the prefabricated bent cap is connected with the pier bearing platform through a prefabricated section located at the bottom in a bell and spigot joint mode, and the non-adhesive prestressed tendons are connected with the prefabricated bent cap and the pier bearing platform and provide self-resetting capacity for the pier. According to the multi-section prefabricated assembled pier with the self-resetting capacity and the construction method, the formworks are prefabricated in a unified mode in a factory, the efficiency is improved while the prefabrication and construction cost is reduced, the mode of prefabricated section splicing and shallow socket connection is adopted, construction in narrow and complex terrains is facilitated, prestressed tendons used for self-resetting are arranged, and the construction efficiency is improved. The overall anti-seismic performance is improved, the integrity, rigidity and bearing capacity of the assembled pier are improved, the service life is prolonged, and meanwhile the maintenance cost is reduced.