52results about "Bridges" patented technology

The utility model belongs to the technical field of steel structures, and particularly relates to I-shaped steel for a bridge, which comprises an I-shaped steel body, a plurality of holes are uniformly distributed on a web of the I-shaped steel body, and foamed aluminum is filled in each hole. A plurality of reinforcing ribs are further arranged on a web of the I-shaped steel body, the reinforcing ribs and the holes are distributed in a staggered mode, every two adjacent I-shaped steel bodies are connected through a connecting mechanism, the holes are of a hexagonal structure and evenly divided into a plurality of groups, and the multiple groups of holes are evenly distributed in the length direction of the I-shaped steel body. The plurality of groups of holes and the plurality of reinforcing ribs are alternately distributed; according to the utility model, the plurality of holes are formed in the I-shaped steel body, and the foamed aluminum is filled in each hole to form a'metal framework + core material 'composite structure, so that compared with a solid web, the weight is reduced by 25%-30%, and the flexural rigidity is improved at the same time; the adjacent I-shaped steel is connected through the connecting mechanism, and detachable connection is achieved.

The present invention improves the wind resistance performance of a long-span bridge using a bridge girder comprising two end main box girders or two end main I-shaped girders. The bridge structure of the present invention comprises a bridge girder 13 having a deck slab 21 and a main girder 22 that includes I-shaped girders 23, 24 or box girders supporting the deck slab 21 from below at both ends in the width direction of the deck slab 21, the bridge structure being characterized in that the span length of the bridge girder 13 exceeds 100 m, the total width of the bridge girder 13 is 15 m or less, the height of the main girder 22 is 1.2 m or more, the ratio W1 / H3 of the total width W1 of the bridge girder 13 to the height H3 of the main girder 22 is seven or more, and a steel material with a yield strength of 380 N / mm2 or more is used for at least a lower flange of the main girder.

The invention relates to a floating functional unit, in particular a floating platform (1) or a watercraft, comprising a deck structure (2) and one or more buoyancy bodies (3a, 3b, 3c, 3d), one or more of the buoyancy bodies each comprising a rotor blade (4) or a part, in particular a longitudinal portion, of a rotor blade of a wind turbine. The invention further relates to such a buoyancy body and to a method for the production thereof from a rotor blade.

To provide an anticorrosive coating structure that has a metal substrate with an anticorrosive face, of which a part is coated with a corrosion-proof metal and another part is coated with a zinc-rich coating layer, wherein the corrosion-proof metal is protected from zinc embrittlement cracking even when the corrosion-proof metal is welded, and a steel member including the anticorrosive coating structure.SOLUTION: An anticorrosive coating structure 10 includes a corrosion-proof metal 16 that coats a part of an anticorrosive face 14 of a metal substrate 12, which requires corrosion protection, and a zinc-rich coating layer 18 that coats another part of the anticorrosive face 14. Between the corrosion-proof metal 16 and the zinc-rich coating layer 18 on the anticorrosive face 14, a separation region 14A is provided to separate them. A primer coating layer 20 is also provided to coat the separation region 14A.SELECTED DRAWING: Figure 1

The utility model discloses a curve type overline foot bridge structure which comprises a curve type overline main bridge, a first arc-shaped approach bridge, a second arc-shaped approach bridge and an arc-shaped ramp communicated with the second arc-shaped approach bridge, the first arc-shaped approach bridge and the second arc-shaped approach bridge are connected to the two ends of the curve type overline main bridge respectively, and the curve type overline main bridge comprises a plurality of continuous steel box girders connected in sequence. Each of the first arc-shaped approach bridge, the second arc-shaped approach bridge and the arc-shaped ramp comprises a double-cantilever box-type structural section and a gravity type retaining wall structural section, and an intersection connecting section of the double-cantilever box-type structural section of the arc-shaped ramp and the second arc-shaped approach bridge is a counterfort type retaining wall structural section. According to the cross-line main bridge, the counterfort type retaining wall structural section is used as the intersection connecting section, so that the connecting stability and strength of the intersection connecting section can be enhanced, and the double-cantilever box type structural section is combined with the continuous steel box girder of the curved cross-line main bridge; the reliable connection of the first arc-shaped approach bridge and the second arc-shaped approach bridge with the curved line-crossing main bridge can be ensured.

The utility model belongs to the technical field of viewing decks, and particularly relates to a large-cantilever viewing deck which is formed by continuously welding a plurality of steel box girders. The steel box girder comprises a bottom plate, a side plate is welded to the upper end of the bottom plate, a top plate is welded to the upper end of the side plate, a rear plate is fixedly welded to the rear ends of the top plate and the side plate, and a partition plate is welded to the bottom plate. Through the internal structural design of the steel box girders, the large-cantilever viewing platform has high strength and rigidity, the structural strength and safety of the large-cantilever viewing platform are ensured, and due to the fact that the steel box girders can be transported section by section, the transportation difficulty is reduced.

The invention discloses a single-slope open-web steel box girder and a manufacturing method thereof, and relates to the technical field of steel box girders. The bottom plate unit is located below the top plate unit, and an assembly space is reserved between the bottom plate unit and the top plate unit; the web unit is arranged between the top plate unit and the bottom plate unit; the partition plate units are arranged between the web plate units; and the tuyere block body is arranged at one end of the assembly space. The invention further discloses a manufacturing method of the single-slope open-web type steel box girder. The technical problems that in the prior art, an open-web type steel box girder is complex in structure, large in dead weight and high in cost are solved.

The application relates to the technical field of bridge structures, and discloses a large-span continuous wave-shaped web steel-concrete composite box girder structure, a box unit comprises a bottom plate unit, web units symmetrically and longitudinally distributed on both sides of the upper end of the bottom plate unit, and a plurality of groups of spacing-keeping and transversely distributed baffle units arranged at the upper end of the bottom plate unit; an intermediate reinforcing assembly is arranged in the box unit, the intermediate reinforcing assembly comprises longitudinal reinforcing pipe fittings centrally penetrating the plurality of groups of baffle units, transversely reinforcing rod fittings fixedly penetrating between the web units, square locking fittings fixedly connected at the longitudinal reinforcing pipe fittings and the transversely reinforcing rod fittings, and corner reinforcing fittings connected at four corners of the square locking fittings; the wave-shaped web of the application does not need additional stiffening ribs, the shear resistance, the buckling resistance and the toughness are improved, and the fatigue damage is reduced; the longitudinally and transversely intersecting intermediate reinforcing assembly forms a global reinforcing network, the overall bearing capacity and the anti-deformation capacity of the box girder are improved, local stress concentration is avoided, and the service life of the bridge is prolonged.

The invention relates to the technical field of water conservancy projects, and discloses a high seismic intensity area and reservoir area bridge scheme comparison and selection method and system, and the method comprises the steps: building a multi-field coupling model based on the earthquake, landslide and large water level rise and fall, and obtaining a safety index, a function index and an ecological index in SPI values of a comprehensive performance index SPI based on the multi-field coupling model; establishing a dynamic full-life-cycle dynamic LCC model; an improved NSGA-III algorithm is adopted, optimization is carried out to generate a plurality of initial candidate schemes by taking minimization of the LCC value of the dynamic full-life-cycle dynamic LCC model, maximization of the comprehensive performance index SPI and minimization of carbon emission as multiple objectives, and an optimal candidate scheme is screened from the initial candidate schemes in combination with TOPSIS multi-attribute decision, the comprehensive performance index SPI comprises a safety index, a functional index, an ecological index and a cultural index. According to the method, the slope instability probability is reduced by arranging the multi-field coupling model based on earthquake, landslide and great water level rising and falling.

The application discloses a bridge state reliability evaluation method based on an adaptive Gaussian process model, and is applied to the technical field of bridge state evaluation.The method comprises the following steps: acquiring bridge WIM data and bridge response monitoring data; extracting WIM peak values and response peak values; repairing historical data by using a GPM; training the GPM by using an adaptive moving window training strategy; repairing missing values of modeling data; storing probability modeling results of the response peak values; performing probability modeling on all steps of modeling data of a current sensor; performing probability modeling on modeling data of all sensors; and calculating reliability indexes of bridge components and structures.The method realizes self-repairing of missing values of bridge WIM peak values and response peak values by using the powerful nonlinear regression capability of the GPM, and proposes the adaptive moving window training strategy, so that the training efficiency is greatly improved under the premise that the accuracy is hardly reduced.

The utility model discloses a bridge reinforcing type steel box girder structure, and relates to the technical field of steel box girders. The steel box girder reinforcing device comprises a first fixing block 101, a fixing mechanism is arranged in the first fixing block 101, and a positioning reinforcing mechanism is arranged on the outer wall of the first fixing block 101. By arranging a bidirectional threaded rod, when a steel box girder is reinforced, a worm can be rotated at the moment, then the worm can drive worm wheels on the two sides to rotate, and therefore the steel box girder reinforcing device can be used for reinforcing the steel box girder. Then worm wheels drive bidirectional threaded rods to rotate, then the bidirectional threaded rods on the two sides drive clamping plates on the surfaces to linearly slide on the surfaces of first limiting rods, the clamping plates on the two sides drive first telescopic springs and pressure blocks to gradually move towards the two sides of the steel box girder, and at the moment, the first telescopic springs are in a stretching state; and then, when the pressure blocks on the two sides make contact with the two sides of the steel box girder, the clamping plates continue to be moved, then the first telescopic springs can be gradually compressed, opposite force is generated, and when the proper tightness degree is adjusted, fixing can be completed.

The utility model discloses a platform for bridge bored pile foundation construction in a high-flow-speed shallow water open water area, which comprises a main trestle, a branch trestle, a top module and a bottom module, the main trestle, the branch trestle, the top module and the bottom module are lapped along the bridge direction after soil is backfilled in a cofferdam to form a flat construction platform, and a drilling machine can be moved from the main trestle or hoisted to the bottom module for drilling construction. The stable construction position of the drilling machine is guaranteed, the situation that the construction process is affected by uneven soil and uneven density is avoided, guide holes are formed in the positions, corresponding to the drilled piles, of the bottom module, the guide holes and to-be-drilled holes are concentric, the guide holes can serve as guide structures during drilling construction of the drilling machine, the drilling construction efficiency is improved, and the construction cost is reduced. The top module is laid on the soil platform to be in lap joint with the branch trestle, the occupied river flood discharge section can be relatively reduced, water body flood discharge and construction flood risk reduction are facilitated, a steel platform does not need to be erected in the traditional construction process, temporary facility investment is small, the resource utilization rate is high, and the construction period is shortened.

The invention relates to a wheel-rail traction large web plate whole machine flying load separation electricity and water cooling cogeneration flying path system, in particular to a train rail path system provided with a groove splicing whole path wheel-rail traction large web plate air lubrication and magnetic suspension roller shaft, which comprises a large web plate dragged by a wheel rail on an air bearing suspension roller shaft road surface, and the web plate is connected into an odd-length train in a hanging mode. The flight path is provided with four to a plurality of layers on the viaduct, the upper path and the lower path are oppositely opened in a one-way reciprocation manner, and the total energy-saving unit energy consumption ratio is less than 0.6; the flight path system is safe, green, service, order, fairness, sharing, rapidness, high efficiency, energy saving and the like, and is provided with electric power self-sufficient, green hydrogen, green alcohol and green ammonia new energy co-production and canal canal huge wheel river-through and sea-through output full-ecological enclave-sharing flight path system.

The utility model belongs to the technical field of steel box girder bridges, and particularly relates to a high-toughness steel box girder bridge which comprises a top beam, the lower end of the top beam is fixedly connected with a steel box, the interior of the steel box is fixedly connected with a plurality of reinforcing ribs, the upper ends of the reinforcing ribs are fixedly connected with upper reinforcing blocks, and the lower ends of the reinforcing ribs are fixedly connected with lower reinforcing blocks. The upper end of the upper reinforcing block is fixedly connected to the lower end of the top beam, the lower end of the lower reinforcing block is fixedly connected to the lower end of the interior of the steel box, a lifting mechanism is arranged at the lower end of the top beam, the top beam is provided with an assembling mechanism, and inclined ribs are fixedly connected to the left side and the right side of the lower end of the top beam correspondingly. The top base is fixedly connected to the lower end of the top beam and the lower end of the steel box, the top base plays a role in wrapping and hanging connection of the top beam and the steel box, the left side and the right side of the upper end of the top base are fixedly connected with external hanging devices respectively, therefore, the hanging connection effect is achieved at the upper end of the top beam, supporting installation devices installed on the ground are reduced, and the use area of the ground is increased.

The application belongs to the technical field of segmental precast beam, and particularly relates to a socketed shear key used on a segmental box beam. The structure of the socketed shear key comprises a male key block and a female key groove arranged at two end positions of a box beam body respectively, a steel column arranged on the male key block and inserted into the box beam body at one end and used for inserting the female key groove at the other end, and a circular groove arranged inside the female key groove and used for inserting the steel column. The socketed shear key has the advantages of the steel-concrete structure at the male key block, high compressive strength and tensile strength, and the male key block is not easy to break and fall off from the box beam body.

The utility model relates to the technical field of low-altitude economic stations, in particular to a viaduct and low-altitude economic station combined design structure which comprises a viaduct and a door-shaped reinforced concrete structure, the door-shaped reinforced concrete structure is arranged on the top of the viaduct in the longitudinal direction of the viaduct, and an unmanned aerial vehicle airport is arranged on the top of the door-shaped reinforced concrete structure. A plurality of concrete-filled steel tube supporting assemblies are evenly distributed in the middle of the n-shaped reinforced concrete structure in the longitudinal direction, the top of each concrete-filled steel tube supporting assembly is fixedly connected with the top of the inner side of the n-shaped reinforced concrete structure, and the bottom of each concrete-filled steel tube supporting assembly is fixedly connected with the top of the viaduct; by arranging the combined design structure of the viaduct and the low-altitude economic station yard, the low-altitude economic station yard and the urban viaduct are reasonably combined, the problem that the low-altitude economic station yard occupies land resources is effectively solved, and the utilization space of the viaduct is increased; and the n-shaped structure can also reduce noise pollution caused by driving and improve the living comfort of nearby residents.

To provide a joint structure of wooden members capable of firmly joining the wooden members to each other with a simple structure.SOLUTION: The wood member joining structure 1 joins a plurality of wood members 10A to 10C to each other. A through-hole 12 is formed in each of the wooden pieces 10A to 10C, a recess 13 is formed in a side 11A and a side 11B of each of the wooden pieces 10A to 10C that are in contact with each other, and a steel sheet 20 in which a through-hole 22 is formed is attached to a bottom 11C of the recess. The plurality of wood 10A and 10B are arranged so that the steel plates 20 abut on each other, and fixed by bolts 40 inserted into the through-holes 12 of the wood 10A and 10B and the through-holes 22 of the steel plates 20.SELECTED DRAWING: Figure 3

To improve the wind resistance performance of long-span bridges using bridge girders consisting of two end box girders or two end I-shaped girders. [Solution] The present invention provides a bridge structure comprising a bridge girder 13 having a deck slab 21 and main girders 22 including I-shaped girders 23, 24 or box girders that support the deck slab 21 from below at both ends in the width direction of the deck slab 21, wherein the span length of the bridge girder 13 exceeds 100m, the total width of the bridge girder 13 is 15m or less, the height of the main girder 22 is 1.2m or more, the ratio of the total width W1 of the bridge girder 13 to the height H3 of the main girder 22 W1 / H3 is 7 or more, and at least the lower flange of the main girder has a yield strength of 380N / mm 2 It is characterized by the use of the above-mentioned steel materials.

This invention provides a soundproof structure and installation method that reduce the number of outdoor and high-altitude work steps, preventing the progress of installation work from being affected by weather conditions, and offering superior safety during installation. [Solution] A soundproofing structure to be installed in the opening of the deck slab of an elevated structure, comprising a suspended soundproofing device having a plurality of support columns and a plurality of sound-absorbing panels, wherein the support columns are fixed to female screw members embedded in the side surface of the deck slab opening, and the plurality of sound-absorbing panels constitute an internal space that penetrates in the vertical direction.

To provide a concrete structure or the like that can suppress vibration by being incorporated as part of a structure that constitutes an infrastructure facility or building without using any additional device. [Solution] A concrete structure has a frame, a mass, and beams connecting the frame and mass, all integrally formed from concrete. In this concrete structure, the mass supported by the beams responds with a time delay to external vibrations, thereby attenuating the external vibrations in the targeted vibration isolation zone.

The application discloses a construction method of a corrugated steel web cover beam, which comprises the following steps: processing a corrugated steel web, welding a partition plate and a connecting structure; binding a bottom plate steel reinforcement framework and a top plate steel reinforcement framework, and installing prestressed tendons; installing a cover beam bottom formwork on a prefabrication pedestal, positioning transverse side formworks of a cover beam top plate and a cover beam bottom plate, and installing the transverse side formworks; pouring in layers, curing, once tensioning the prestressed tendons, and removing the side formworks. The corrugated steel web is used, the upper flange and the lower flange of the corrugated steel web are welded with shear keys pre-buried in the top plate and the bottom plate respectively, the upper edge and the lower edge of the partition plate are welded with shear keys pre-buried on the top plate and the bottom plate respectively, and the two vertical edges of the partition plate are welded with the corrugated steel web respectively, so that the structural strength of the corrugated steel web cover beam is ensured, and the weight of the cover beam is reduced under the premise that the structural strength meets the design requirements.

The utility model discloses a bridge pile foundation framework and a bridge body for improving geological adaptability, comprising: a pile foundation structure comprising a pile foundation load main body and a partition filling part fixedly sleeved on the peripheral side part of the pile foundation load main body, the partition filling part is internally filled with a borosilicate soil layer capable of releasing outwards; the pile body monitoring assembly structure is assembled on the pile foundation load main body to monitor the dynamic change of the performance of the pile foundation load main body; and the expansion water injection structure is controllably communicated and connected with the partition filling part. The problem that in the prior art, the adaptability of a bridge pile foundation structure aiming at complex geology is not high is solved.

The invention relates to the technical field of bridge structures, and discloses a large-span continuous corrugated web steel-concrete combined box girder structure which is characterized in that a box body unit comprises a bottom plate unit, web units which are symmetrically and longitudinally distributed on two sides of the upper end of the bottom plate unit, and a plurality of groups of partition plate units which are transversely distributed at equal intervals and are arranged at the upper end of the bottom plate unit; middle reinforcing assemblies are arranged in the box body units; the middle reinforcing assembly comprises a longitudinal reinforcing pipe fitting penetrating through the multiple sets of partition plate units in the middle, transverse reinforcing rod pieces fixed between the web plate units in a penetrating mode, square locking pieces fixed to the connecting positions of the longitudinal reinforcing pipe fitting and the transverse reinforcing rod pieces and corner reinforcing pieces connected to the four corners of the square locking pieces. According to the corrugated web, additional stiffening ribs are not needed, the shear resistance, buckling resistance and toughness are improved, and fatigue damage is reduced; the criss-cross middle reinforcing assemblies form a global reinforcing network, the overall bearing capacity and deformation resistance of the box girder are improved, local stress concentration is avoided, and the service life of the bridge is prolonged.

The utility model discloses a prefabricated assembly type wide-width box girder which comprises a prefabricated U-shaped beam and a prefabricated top plate, and the length size of the prefabricated U-shaped beam in the first direction is larger than the width size of the prefabricated U-shaped beam in the second direction. A plurality of shear keys are preset at the tops of two side plates of the prefabricated U-shaped beam at equal intervals; the length size of the prefabricated top plate in the first direction is smaller than the width size of the prefabricated top plate in the second direction; the prefabricated top plate is arranged on the prefabricated U-shaped beam in an extending mode in the first direction. As the transverse width of the prefabricated top plate is larger, the length of the prefabricated top plate is set to be shorter, so that the prefabricated top plate can be conveniently transported on urban roads; the transverse width of the prefabricated U-shaped beams is small, so that the prefabricated U-shaped beams are long, and splicing between the prefabricated U-shaped beams is avoided or reduced. Meanwhile, the wet joint bearing parts extending outwards from the end faces are arranged at the bottoms of the two end faces, perpendicular to the first direction, of the prefabricated top plate, during assembling, concrete can be directly poured after splicing, the assembling procedures are reduced, the construction efficiency is improved, and the adverse effect on urban traffic is reduced.

The utility model relates to a quick positioning structure for a box-shaped steel beam, which belongs to the technical field of box-shaped steel beams and comprises two support columns, baffles are fixedly connected between opposite side surfaces of the two support columns, the box-shaped steel beam is placed between the two baffles, and a positioning component for positioning the box-shaped steel beam is arranged between the two support columns. The top faces of the two baffles are fixedly connected with fixing blocks, two fixing grooves are formed in the bottom face of the box-shaped steel beam, the two fixing blocks extend into the two fixing grooves correspondingly, and the peripheral walls of the two fixing blocks are fixedly sleeved with first rubber rings correspondingly. According to the rapid positioning structure for the box-shaped steel beam, under the action of the baffles, the box-shaped steel beam is conveniently supported, under the action of the fixing blocks, the fixing grooves, the clamping blocks and the clamping grooves, the box-shaped steel beam is conveniently positioned, the mounting efficiency is improved, meanwhile, under the action of the connecting rods, the positioning plates are conveniently driven to turn over, and the rapid positioning structure is more convenient and practical.

To provide a desalination apparatus and desalination method for concrete structures that can accurately supply current to the necessary anodes and perform desalination work safely and efficiently. [Solution] In this concrete structure desalination apparatus 2, the surface of the concrete structure 1 is divided into multiple construction target sections A1 to A3, and each construction target section A1 to A3 is equipped with an anode system 9 consisting of one or more linear anode units 8, 8... installed on the surface of the electrolyte solution holding layer 7 covering the surface of the concrete structure 1, and is equipped with a primary distribution means 11 that distributes current from a power supply 10 to each anode system 9, 9..., and each anode system 9 is equipped with a secondary distribution means 12 that distributes the current distributed from the primary distribution means 11 to each anode unit 8, 8..., so that the amount of current is controlled for each anode unit 8, 8....

The utility model discloses a river-crossing road-crossing low-structure height combined filling beam which comprises a steel structure formwork and concrete pouring the steel structure formwork into a whole. The steel structure formwork comprises two side plates distributed left and right and a plurality of basic units arranged between the two side plates. A group of transverse steel bars are arranged above the foundation unit at intervals; a group of longitudinal steel bars are arranged above the transverse steel bars at intervals; each foundation unit comprises a bottom steel plate and a group of T-shaped stiffening beams arranged on the bottom steel plate at intervals; every two adjacent bottom steel plates are connected through bolts; every two adjacent T-shaped stiffening beams are connected through angle steel; the T-shaped stiffening beam comprises a web, a top plate and a vertical stiffening plate, wherein the top plate and the vertical stiffening plate are arranged on the web. According to the river-crossing road-crossing low-structure-height combined filling beam, the bottom steel plate, the T-shaped stiffening beams and the cast-in-place concrete are combined, the structure bearing capacity is high, durability is good, the structure height only needs to be 1 / 28-1 / 36 of the span, and the beam height is much smaller than that of a conventional structure.

The application relates to a double-layer arch beam combined structure system, belonging to the technical field of bridge construction, which comprises a beam bridge, an arch rib arranged above the beam bridge and located on the upstream and downstream of the beam bridge, and main suspender uniformly distributed between the arch rib and the beam bridge; a pedestrian arch bridge arranged below the beam bridge and crossing the two banks, the pedestrian arch bridge and the arch rib being cross-distributed in the horizontal projection direction; and a pedestrian plank road arranged on the two banks and connected with the end of the arch rib and the pedestrian arch bridge, the two ends of the arch rib being provided with stairways connected with the pedestrian plank road and the beam bridge. Therefore, pedestrians on the riverside road on the two banks can reach either side of the beam bridge through the pedestrian plank road, the pedestrian arch bridge and the stairway, the above structure can efficiently connect the riverside road pedestrian system and the upper-layer pedestrian system on the bridge, the pedestrian arch bridge and the pedestrian plank road can also serve as a water-contacting platform for the pedestrians, and the requirement of people for leisure and entertainment on the riverside can be met.