47 results about "Cross river" patented technology

The application is a kind of connecting structure of existing river-crossing bridge and newly-built dike and its construction method, which comprises an existing road, a connecting structure section and an existing river-crossing bridge; the connecting structure section comprises a sand-gravel roadbed layer, a graded broken stone base layer laid on the sand-gravel roadbed layer and a cement concrete pavement layer cast on the graded broken stone base layer; the cement concrete pavement layer is composed of a rising slope section, a straight section and a descending slope section, the rising slope section is connected with the existing river-crossing bridge at its starting point and the descending slope section is connected with the existing road at its ending point; retaining walls are arranged on both sides of the connecting structure section. Compared with the prior art, the application avoids removing and rebuilding the existing river-crossing bridge for water blocking, reduces the engineering investment, saves the investment by using the sand-gravel material excavated from the river for filling the roadbed layer, has simple structure, is convenient for construction, is easy to obtain materials and has low cost, and meets the road traffic requirements.

The utility model discloses a river-crossing pipeline structure which comprises a foundation, two buttresses are poured on the foundation, the two buttresses are arranged on two banks of a river channel, and a pipeline main body structure is fixedly connected between the two buttresses. According to the river-crossing pipeline structure, the rigidity and the stability of the river-crossing pipeline are improved, the application range of the river-crossing pipeline is expanded, the overall sectional area of the structure is increased by utilizing the strength of the river-crossing steel pipe and adding the reinforced profile steel at the bottom, the structural stress in the middle of a large bending moment is reduced, and therefore when the span is large, the rigidity and the stability of the river-crossing pipeline are improved. Structures such as pipe bridges and trusses can be prevented from being used, the steel pipe can still be used for directly crossing the river channel, the application range of the river-crossing pipe bridge is widened, and remarkable economic benefits are achieved.

The disclosure provides a cross-river water diversion structure for collecting tail water and abandoned water downstream of a hydropower station, belonging to the technical field of hydraulic engineering. The water diversion structure comprises a water release gate, a drop well, a river-crossing box culvert, a tail water guiding assembly and an abandoned water guiding assembly. The water release gate is arranged in the tail water channel of the upper hydropower station and is used to cut off the tail water of the tail water channel of the upper hydropower station. The tail water guiding assembly is connected with the tail water channel of the upper hydropower station and is used to introduce the tail water cut off by the water release gate into the drop well. The abandoned water guiding assembly is connected with the stilling basin of the flood discharge tunnel of the upper hydropower station and is used to introduce the abandoned water of the stilling basin of the flood discharge tunnel of the upper hydropower station into the drop well. The drop well has a water outlet, and the river-crossing box culvert is connected to the water outlet and is located below the river channel and is used to introduce the water in the drop well into the water diversion system. The water diversion structure has the effects of improving the flood discharge safety of the upper hydropower station, reducing the disturbance to the ecological environment and reducing the construction cost.

The application discloses a cross-water bridge parameter inversion method and system based on generalized compact polarization SAR total power intensity peak value, and belongs to the technical field of synthetic aperture radar remote sensing, and solves the problems of low system efficiency, non-movable discriminator, non-uniform GCP mode discriminators and precision affected by pixel deviation of the prior art. The application obtains or synthesizes a received scattering vector; total power is calculated pixel by pixel based on the received scattering vector, a filter is used for multi-view processing, a smoothed total power map is obtained, the smoothed total power profile in the distance direction is obtained by averaging in the azimuth direction within the azimuth direction interval covered by the determined bridge main span, three local maximum peak values satisfying preset conditions are identified by using a peak value detection method; and the geometric parameters of the bridge are inverted based on the pixel positions of the local maximum peak values and combined with imaging geometric parameter inversion. The application is used for the safety monitoring and quantitative inversion of geometric parameters of cross-sea and cross-river bridge infrastructure.

The present application relates to a kind of methods for recycling drift buoy, comprising: the position of fixed rope is selected;Fixed rope;Loosen the rope;Tighten the rope;Salvage drift buoy.The present application uses a cross river rope fixed at one end on the opposite bank, utilizes the inclination angle between rope and water flow, repeatedly tightens and relaxes the rope, under the action of water flow and tension, without personnel diving and salvage by ship, easily gradually draws the drift buoy in the center of river to the bank and salvages on shore.The equipment used in the method is very simple, only a rope can float on water surface, without any mechanical equipment can recycle drift buoy, low cost, safe and reliable.

The utility model relates to the technical field of anemorumbometers, in particular to a bridge deck anemorumbometer of a river-crossing bridge. During installation, the guide rod is inserted to trigger a linkage mechanism of the limiting ball and the conical sleeve, and the conical sleeve is driven to move downwards through the limiting spring and the magnetic adsorption block, so that the conical sleeve moves downwards to clamp the limiting block, and self-locking fixation is realized; during disassembly, an external strong magnet adsorbs a magnetic block, a conical sleeve is driven to move upwards to release a ball, limiting of a guide rod is relieved, the overall stability is enhanced through multiple fixing columns, and the disassembly and assembly efficiency is greatly improved through the magnetic attraction unlocking design; environment data are monitored in real time through a wind speed sensor and a wind direction sensor, when the wind speed and the wind direction reach set numerical values, a control cabinet drives a servo motor to drive a photovoltaic assembly to steer, a wind shield faces the wind direction, and when wind blows the wind shield, a sliding support is in linkage with a brush plate to brush and remove dust on the surface of a photovoltaic energy storage device; after the set time is reached, the system automatically resets to realize self-adaptive dust removal.

The application relates to a construction method for combining a river in a field with a permanent drainage pipeline, which comprises the following steps: firstly, the river in the field is excavated by adopting earthwork slope excavation, and the river direction and slope are measured and positioned; secondly, a section transverse 'pin' shaped concrete box culvert structure is adopted to construct along the river flow; then, a secondary recovery pool structure is additionally arranged at a water point in the field to meet the water demand in the field; finally, after the structure construction is completed, earthwork is backfilled and compacted, and the pavement is hardened. After the section transverse 'pin' shaped concrete box culvert structure construction is completed, the structure can be backfilled and hardened, the river crossing commuting efficiency is improved, and the personnel falling into the river risk is reduced.

1. Name of the designed product: ceramic pot (crossing river picture). 2. Use of the designed product: holding tea. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best showing the design points: perspective view.

The utility model relates to the technical field of river-crossing pipeline decoration, and discloses a river-crossing pipeline modularized decoration structure convenient to maintain, which comprises a pipeline assembly, a slide rail assembly, a decoration assembly and a ring pipe hoop assembly, the slide rail assembly is arranged on the surface of the pipeline assembly, and the decoration assembly is arranged on the top of the slide rail assembly. The upper half-circle steel ring and the lower half-circle steel ring are arranged to be matched with the fixing bolt to penetrate through the lower half-circle steel ring and the upper half-circle steel ring and extend into the fixing sleeve, so that the ring pipe hoop assembly can be tightly fixed to an original pipeline through the connection mode, and effectiveness of the protection function of the ring pipe hoop assembly is guaranteed; according to the annular pipe hoop assembly, the overall strength of the annular pipe hoop assembly is enhanced by arranging the annular pipe hoop reinforcing ribs welded to the surface of the lower half circle of steel ring, when external pressure is borne or a pipeline is fixed, the reinforcing ribs can prevent the steel ring from deforming, it is ensured that the annular pipe hoop assembly can stably hold the original pipeline, and the stability of the whole pipeline decoration structure is improved.

The invention relates to an intelligent monitoring system for embankment disturbance based on a river-crossing bridge, in particular to the field of water conservancy projects, and realizes full-flow accurate perception and mechanism description of embankment disturbance caused by bridge construction through a multi-source data fusion and dynamic digital twinning technology. In combination with causal reasoning analysis, key disturbance factors and influence intensity thereof can be identified from complex working conditions, and internal causal laws between construction activities and levee responses are disclosed; and finally, depending on prospective deduction and networked risk entropy evaluation, the crossing from passive monitoring to active early warning is realized, the early recognition and pre-control capability of the safety risk of the dam structure is remarkably improved, and intelligent decision support is provided for construction safety and engineering protection.

The invention discloses a pre-pressing type supporting system and construction method for an arch-shaped cast-in-place beam obliquely crossing a river levee, the pre-pressing type supporting system comprises a supporting pile system and a supporting frame system, the supporting pile system comprises a pile body, the supporting frame system comprises a formwork support, the formwork support is installed at the top of the pile body, a containing groove is formed in the formwork support, and the supporting frame system is installed in the containing groove. The containing groove is used for containing a pre-pressing load, the supporting system is used for bearing the cast-in-place beam, and the mass of the pre-pressing load is larger than the sum of the mass, borne by the formwork support, of cast-in-place beam concrete and the mass, borne by the formwork support, of the formwork. Compared with the prior art, the pre-pressing load with the preset weight only needs to be directly placed on the support, the problem that force application is limited due to the uneven river levee ground is avoided so as to adapt to the river levee crossing construction scene, secondly, compared with ground steel cable tensioning, additional arrangement of tensioning equipment and laying of a ground leveling device are not needed, the construction steps are reduced, and the construction efficiency is improved. The cost is reduced.

According to the technical scheme, the automobile ferry roll-on and roll-off tool vehicle for the large vehicle comprises a crossing beam, a main folding turning plate is arranged at one end of the crossing beam, a walking beam is hinged to the other end of the crossing beam, and an auxiliary folding turning plate is hinged to the end, away from the crossing beam, of the walking beam. A supporting frame attached to the terrain of the steam ferry wharf is installed at the bottom of the walking beam, and a supporting plate attached to the deck face of the steam ferry ship is installed at the bottom of the side, away from the walking beam, of the crossing beam. Included angles between uphill and downhill of a wharf and a steam ferry gangplank are filled and leveled up through a smooth bridge formed by the auxiliary folding turning plates, the walking beams, the crossing beams and the main folding turning plates, so that an ultra-large object transport vehicle can get on and off the ship safely, meanwhile, the supporting plates are in plane contact with the deck surface of the steam ferry all the time, the stress area is large, the deck surface of the steam ferry is protected, and safety is guaranteed. The safety of boarding and alighting of the ultra-large truck is ensured, and the river crossing problem of the large transport vehicle of more than one hundred tons is solved.

The invention discloses a multi-sensor fusion and intelligent data transmission method for inland waterway inspection, which takes an unmanned ship as a core execution carrier to cover three inspection scenes of inland river revetment damage, overwater floating objects and river-crossing bridge pier stud structure damage. An inland waterway inspection task of the unmanned ship is designed in the whole process of navigation of the unmanned ship, target data collection of multiple scenes and transmission and analysis of the target data, and the inland waterway inspection requirements in different inspection scenes are met; the inland waterway inspection task comprises an inspection task initialization step, an unmanned ship autonomous inspection task execution step and an inspection task termination and subsequent processing step. According to the method, the problems of low efficiency, poor environmental adaptability, data processing lagging, insufficient fusion precision and the like of traditional inspection and existing unmanned ship multi-scene inspection are effectively solved, and reliable technical support is provided for inland river safety operation and maintenance.

The invention discloses a construction method for a shield under-crossing river section, and belongs to the technical field of tunnel engineering construction. Aiming at the problems of high water inrush and mud inrush risk, difficult settlement control, unbalanced efficiency and cost and the like confronted by water-rich karst stratum shield construction, the method realizes safe and efficient construction through a five-in-one technical system of investigation, reinforcement, regulation and control, monitoring and emergency; a high-pressure jet grouting pile anti-seepage curtain, a reinforcing mesh and an anchor rod are compounded to reinforce a riverbed, shield propulsion parameters and a grouting system are dynamically optimized in a double-stage mode to be matched with a complex stratum, a monitoring system is constructed, yellow-orange-red three-stage early warning adjustment is conducted, and accurate treatment measures are formulated according to reserve special emergency materials. According to the method, riverbed settlement is controlled within 3 mm, the construction efficiency is improved by 25%-30%, the engineering cost is reduced by 15%-20%, the influence on river ecology is small, and the method is suitable for river crossing construction of tunnel engineering such as subways and municipal pipelines.

The utility model discloses a kind of river-crossing bridge deck water taking devices, including the support mechanism for crossing bridge deck left and right width, water taking mechanism and the cross-width passageway assembly of being laid on support mechanism, water taking mechanism includes water pump, main pipeline, branch pipeline, tee joint and electric cabinet, electric cabinet is electrically connected with water pump, the water outlet of water pump is connected with the first end of main pipeline, the second end of main pipeline is connected with two branch pipelines by tee joint, to realize water supply to bridge deck left and right width simultaneously;The river-crossing bridge deck water taking device of the utility model, when encountering river-crossing bridge deck water taking device or water receiving vehicle failure, when needing overhauling, can directly cross width through cross-width passageway assembly, to install electric cabinet side and disconnect total power supply, avoid from one-way long distance detour, other special circumstances need to cross width, all can from here, safety condition meets requirement, save a lot of detour time, it is simple in structure, convenient to operate, can realize bridge deck left and right width water taking simultaneously.

The invention discloses a large-span landscape steel bridge supporting structure and a construction method thereof.The large-span landscape steel bridge supporting structure comprises a supporting foundation, the supporting foundation comprises a backfill layer, pressure-bearing piles and a bearing platform, the backfill layer is formed on a riverbed of a riverway, a drainage pipe is buried in the backfill layer, the pressure-bearing piles are arranged on the backfill layer in a driving mode and inserted into a stable layer of the riverbed, and the bearing platform is formed on the backfill layer; the pressure-bearing piles are supported on the bearing platform, and the bearing platform is arranged below the steel bridge body and the auxiliary arch; the first supporting module comprises a distribution beam installed on the bearing platform and arranged in the width direction of the steel bridge body, a plurality of supporting columns are vertically arranged on the distribution beam, and a supporting plate used for supporting the steel bridge body is installed on the supporting columns in a liftable mode; the second supporting module comprises latticed columns detachably installed on the steel bridge body and supporting beams used for supporting the anti-pushing arched beams, and the supporting beams are installed at the top ends of the latticed columns. The problem that an existing river-crossing and stream-crossing landscape steel bridge cannot be matched with a special-shaped structure due to the fact that a universal support is adopted is solved.

1. Name of the designed product: Bridge (exhibition wing basket type arch bridge). 2. Use of the designed product: The designed product is used for bridge construction, for vehicles, pedestrians, etc. to cross rivers, valleys, etc. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The application discloses a movable drainage installation C-shaped device and a construction method thereof, and relates to the technical field of steel box girder construction across a river. The application comprises a C-shaped device main body, a walking system, a safety protection system and a connecting system. The C-shaped device main body is modularly assembled by a plurality of components, the components are made of channel steel, and an operation platform is formed. The walking system is arranged at the bottom of the operation platform and comprises movable supporting wheels, which are used for moving the device along a steel box girder cantilever. The application provides a stable and reliable operation platform, avoids the shaking of traditional hangers or supports caused by environmental factors such as wind and water flow, guarantees the precision of cantilever welding and drainage pipe installation, and reduces the rework caused by quality problems. Meanwhile, the mobility of the application enables the welding and drainage installation two processes to be simultaneously or quickly alternately performed, avoids the repeated disassembly and assembly of equipment and the frequent displacement of the platform, and effectively improves the construction efficiency through engineering practice verification.

The invention is applicable to the technical field of underground engineering construction, and provides a micro-settlement control construction method for a shield tunneling machine to pass through an extremely soft soil stratum of a river in a close range, which comprises the following steps: S1, preparation before construction: S1-1, geological exploration: adopting various exploration means such as drilling, static sounding and vane shear test, and obtaining a micro-settlement control result; the method comprises the following steps: comprehensively surveying river bottom mud of a crossing section and a lower extremely-soft soil stratum to obtain physical and mechanical parameters of natural water content omega, natural weight gamma, void ratio e, compression modulus Es, cohesive force c and internal friction angle phi of the stratum, and meanwhile, ascertaining hydrogeological conditions of river water level, flow velocity, riverbed deposition thickness and stratum permeability coefficient k. According to the method, the quantitative relation among the tunneling parameters, the grouting parameters and the settlement amount is established, closed-loop control of the construction process can be achieved, the settlement amount can be effectively controlled within a micro-amplitude range, and the safety of a project and the surrounding environment is guaranteed.

The invention provides a construction waste and household waste comprehensive management method. The method comprises the steps that classified screening and anti-seepage sealing loading are conducted on mixed waste at a construction end; the container carrying impact energy is absorbed through a dynamic buffer mechanism at the shore end, and positioning and locking are carried out; the river-crossing cableway is used for carrying out anti-wind-disturbance transferring and precise braking stopping; carrying out mechanical crushing and eddy current sorting recovery on the garbage; and the sorted materials are subjected to regeneration forming or incineration treatment, and pollutant diffusion is controlled. The method breaks through resource consumption and efficiency bottlenecks of a traditional segmented treatment strategy, and finally a high-reliability technical normal form for comprehensive treatment of the construction waste and the household waste is constructed.

The utility model discloses a river-crossing aqueduct diversion cofferdam, and relates to the technical field of cofferdams. The river-crossing aqueduct diversion cofferdam comprises a river channel body, two symmetrical baffles are arranged in the river channel body, two symmetrical surrounding plates are fixed between the two baffles and are rectangular, a water channel is formed in the river channel body, the water channel is located on one side of the surrounding plates, fixing plates are fixed to the lower ends of the baffles, and limiting mechanisms are arranged between the fixing plates and the river channel body. And through the limiting mechanism, the water flow impact resistance of the cofferdam is improved, the overall stability of the cofferdam is improved, the situation of cofferdam settlement is reduced, and construction is facilitated.

The utility model relates to the technical field of hydrological testing devices, and discloses an easy-to-install hydrological testing device which comprises a mounting plate, a sliding groove is formed in the top of the mounting plate, a screw rod is rotationally connected in the sliding groove, one end of the screw rod is fixedly connected with a rotary knob, the outer surface of the screw rod is sleeved with a threaded sleeve block in a threaded mode, and the threaded sleeve block is fixedly connected with the rotary knob. The position of the device can be adjusted through cooperation of a mounting plate, a sliding groove, a screw rod and a threaded sleeve block, an L-shaped hollow rod is controlled by a servo motor to rotate, a sliding block is controlled by a servo motor to ascend and descend, and therefore a flow velocity measurement sensor can stretch out, draw back, rotate and stably extend into a water body, and the device can cross the edge of a river bank to conduct probe arrangement. The interference of shoreside backflow or obstacles on the measurement result is effectively avoided, and the authenticity and representativeness of data are improved. The whole device is easy and convenient to install and fast to detach, and adaptability and practicability of equipment are enhanced.

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 invention discloses an urban river-crossing large-span bridge side span incremental launching construction method, and relates to the technical field of bridge incremental launching construction.The method comprises the following steps that a steel beam is divided into an incremental launching main beam and a suspended splicing main beam, the incremental launching main beam is manufactured in a partitioned mode, and the suspended splicing main beam is integrally manufactured; after being manufactured, the pushing main beam and the suspended splicing main beam are spliced and accepted respectively; assembling platforms, pushing temporary piers and guide beams are arranged on the two sides of the river channel, and pushing equipment is installed on the pushing temporary piers; different requirements of land road and water road transportation in urban river-crossing construction are met through differentiated steel beam manufacturing and transportation schemes, river channel navigation interference is avoided in combination with a circulating pushing mode, safety risks caused by interference of synchronous construction of a main tower and a steel beam are reduced, and the construction efficiency and environmental adaptability are greatly improved; and the construction quality and the bridge structure safety can be guaranteed in an all-around manner through the operation of stably pushing the temporary pier structure and synchronously tensioning the stay cable in the suspended splicing stage by a multi-link acceptance flow.

The utility model discloses a river-crossing aqueduct flow guide cofferdam, and belongs to the field of flow guide cofferdams, the river-crossing aqueduct flow guide cofferdam comprises a plurality of supports, inner barrier strips are fixedly mounted on the inner sides of the supports, guide grooves are formed in the inner sides of the inner barrier strips, side plates are slidably inserted into the inner walls of the guide grooves, and two bolts are symmetrically and fixedly mounted at the bottoms of the side plates; studs are inserted into the inner walls of the support and the inner blocking strips, transverse strips are inserted into the inner walls of the support, a bottom plate is installed at the inner bottom of the support, outer baffles are inserted into the inner walls of the support and the inner blocking strips, and inner cavities of the support are filled with sand bags. By arranging the support, the inserting hole, the outer baffle, the bottom plate and the sandbag, the flow guide structure can be conveniently assembled on site, then operation of a large crane is not needed, the applicability is guaranteed, the assembling convenience and efficiency are improved, meanwhile, the sandbag and the support can be transported separately, and the transportation convenience is improved.

This invention relates to a method for the lateral lifting and horizontal lateral movement installation of steel beams for a cross-river steel structure bridge. Two sets of steel beam assembly supports are erected in the water along the bridge site. Each set consists of a lowering support and a sliding support, with the sliding support being higher than the lowering support. Sliding rails, pulleys, and lifting jacks are installed on the sliding support. The mid-span steel beam is transported to a trestle bridge, where it is first lifted above the lowering support using the lifting jacks, and then slid to a designated position using pulleys. The beam is then placed onto the lowering support. The pulleys and sliding rails on the sliding support are then removed, and the portion of the sliding support above the lowering support is removed, serving as the lowering support for the side span steel beams. The side span steel beams are then hoisted from the bank using a crane. This invention eliminates the need for an underwater crane platform and large lifting equipment, resulting in low construction costs and high safety.

The application relates to the pipeline laying technical field, in particular to a crossing structure and construction method for steel pipe crossing river, which comprises the following steps: S1: at least two fixed piles are arranged on a river in the river width direction of the river; S2: a water retaining weir wall is arranged in the downstream direction of the river based on the fixed piles; S3: a ditch floating ship is adjusted into a low-speed flow channel to dig a pipe ditch; S4: a pipe lifting floating ship is adjusted to lift the pipeline into the pipe ditch, and a pouring floating ship is adjusted to pour a concrete filling layer and a soil layer into the pipe ditch; S5: the water retaining weir wall is removed or removed, so that the low-speed flow channel formed by the new water retaining weir wall and the low-speed flow channel region formed by the previous water retaining weir wall are overlapped, and the pipeline pre-construction area is connected; S6: steps S3 and S4 are repeated, and in S4, two pipelines in the pipe ditch are connected; S7: steps S5 and S6 are repeatedly connected. The application has the effect of pipeline laying across the river for the river with narrow and small river and turbulent flow.

This invention relates to a method for the overall demolition of a half-span cantilever beam of a cross-river concrete continuous beam bridge. The method involves erecting supports on two barges, filling their holds with ballast water to lower the supports below the beam's bottom. The two barges then navigate to the outer cantilever beams of each side span and anchor, draining some water to raise them and tighten the supports against the beam's bottom. The closure section between the two cantilever beams of the side span is then cut. The barges continue to drain water and raise themselves, buoying the outer cantilever beams of the side span to a designated location. Next, the closure section between the two cantilever beams of the middle span is cut. The two barges are again filled with ballast water and navigate to the sides of a middle span pier, simultaneously cutting the joint between the pier's top 0# block and the two cantilever beams, allowing the two cantilever beams to rest on the barge supports. Finally, a floating crane removes the 0# block. This invention allows for the one-time demolition of a half-span cantilever beam, resulting in high efficiency and minimal impact on river navigation; it can flexibly adapt to water level changes; and the demolition process causes minimal disturbance to the bridge structure, ensuring high safety.