117 results about "Aqueduct" patented technology

The invention relates to foundation treatment, and in particular relates to a novel foundation treatment method. According to the adopted technical scheme, the method comprises the following steps: performing directional drilling along an engineering trend by using a non-excavation technology, and forming a channel; arranging a grouting pipeline in the formed channel; and performing grouting operation. By adopting the method, people can perform rock foundation construction conveniently, foundations are reinforced, the foundation bearing capacity is increased, foundation settlement is reduced, soil body permeability is reduced, and the risk of tunnel excavation is lowered. The method can be applied to road and site work such as roads, railways (including railways), tunnels, box culverts, airfield runways, parking aprons and container wharfs, water conservancy projects such as seepage prevention in rivers and lakes, building of great aqueducts, anti-seepage dams of rivers and lakes, dams, impounding reservoir projects, water conveyance canals, cutoff walls, settling ponds, water-saving irrigation channels, ports and piers and coastal reclamation, sewage treatment, environmental engineering and the like.

A construction method for water-cutoff-free maintenance of aqueduct connecting seams includes the steps that an enclosure device is installed on an aqueduct for sealing, the enclosure device covers over half of the width of the aqueduct on a projection surface, a construction area in the enclosure device is cleaned, the connecting seams are cut, chiseled and washed, then water stop belt replacement, concrete backfilling and connecting seam filling and sealing are carried out, and the operation is repeated on the other side of the aqueduct. The enclosure device only cuts off the construction area of the aqueduct connecting seams and does not influence the smoothness of water flow in the aqueduct; the connecting seams are dug, internal water stop belts are replaced, a PTN sealant is reliablein connection and sealing, and the service life is greatly prolonged. The aqueduct connecting seams are constructed section by section, the continuity of the water stop belts in the connection seamsis guaranteed, the leakage problem of connecting points is avoided, and the service life can be guaranteed just by ensuring the corrosion resistance of the water stop belts.

A self-propelled mobile formwork for the construction of a double rectangular water conservancy aqueduct, including an outer beam system (1), an outer formwork system (2), an inner beam system (3), an outer formwork system (4), and an electric control system (5 ) and the hydraulic system (6); the outer beam system (1) is the main bearing system of this equipment, mainly composed of the outer beam (1a), the No. 1 leg of the outer beam (1b), and the No. 2 leg of the outer beam (1c), outer girder No. 3 leg (1d), outer girder No. 4 leg (1e), and outer girder rear travel (1f); the outer girder (1a) is in the form of a box-shaped composite girder, which is in the form of double girders. The beam center distance is 9.5 meters, and the two beams are formed as a whole by two sets of end connecting beams, 8 sets of intermediate connecting beams, and 16 sets of left and right symmetrical cantilever beams; the outer main beam is the main load-bearing structure of the slot machine, and the pouring state is passed The No. 3 and No. 4 outriggers transmit the load to the top of the pier before and after the pouring span respectively.

The invention discloses an aqueduct structure and water-stop belt overhauling construction device, and relates to the technical field of aqueduct maintenance. The device comprises a fence assembly and a supporting framework; walkway plates are arranged on the two sides of the top of a U-shaped aqueduct, and a cross beam is arranged between the walkway plates; the fence assembly comprises a first coaming, a second coaming, a gate and sealing devices; the gate can rotate around the first coaming and the second coaming in the vertical direction; the sealing devices are located at the bottoms of the first coaming and the second coaming and the contact position of the gate and the U-shaped aqueduct; and each layer of supporting framework comprises a first supporting rod and a second supporting rod. A constructor can descend into the aqueduct to overhaul or maintain the side wall of the aqueduct, and the device is convenient and applicable. The invention further discloses a use method of the aqueduct structure and water-stop belt overhauling construction device.

The invention discloses a UHPC precast arched girder combined type aqueduct. The UHPC precast arched girder combined type aqueduct comprises an arched structure and an aqueduct main body, wherein endribs of the aqueduct main body are hinged with the top end of the arched structure; the aqueduct main body comprises a plurality of sections of precast slot bodies; a wet jointing structure is arranged between every two adjacent precast slot bodies; the wet jointing structure comprises reinforcing steel bars and ultrahigh-performance concrete layers; the fixed ends of the reinforcing steel bars are fixedly connected to the precast slot bodies; exposed ends of the reinforcing steel bars are connected to the ultrahigh-performance concrete layers; and the bottoms of the ultrahigh-performance concrete layers are connected to the top end of the arched structure. The stress characteristics of the arched girder combined type aqueduct structure are sufficiently utilized, high-strength ultrahigh-performance concrete is adopted, applicable span is 150-500 m, applicable span of the conventional concrete girder arched combined type aqueduct is 50-120m which is 3-4 times that of a conventional arched girder type aqueduct.

A system for flood water or water flow mitigation includes at least one aqueduct or drain having a first section linking a river, lake, reservoir, water retention pond or dam to another section linked to another lake, reservoir, storage tank or sea, characterized in that the first section are positioned at higher than the other section, and the aqueducts or drains are configured to be placed above ground level or extend upward from sides of river or existing drain, such that invert levels of the aqueducts or drains are higher than sea levels during high tide flooding or sea level increases.

The invention provides a drag-reducing and roughness-reducing method for concrete surface coating of a water delivery building. The drag-reducing and roughness-reducing method comprises the followingsteps: (1) treating a substrate; and polishing and filling the concrete surface of a panel on the upstream face; (2) brushing a base coat interface agent; (3) brushing SK scraping polyurea; and (4) maintaining SK scraping polyurea. According to the drag-reducing and roughness-reducing method, roughness reducing coating series materials suitable for an aqueduct structure and different environmentalconditions are used, a construction process and a quality control standard are established in a matched mode, the aqueduct roughness coefficient can be decreased by 20% or above, the water delivery capacity can be improved by 25% or above, and reinforcing transformation and dismantling reconstruction are avoided. Technical surpassing of concrete disease elimination, durability improvement, roughness reduction and flow increase of an old water delivery building is achieved at a time.

The invention provides a telescopic device, an aqueduct and a mounting method of the telescopic device, and relates to the technical field of aqueducts. The telescopic device is applied to the steel-concrete aqueduct, the steel-concrete aqueduct comprises a steel aqueduct and a concrete aqueduct, an expansion joint is formed between the steel aqueduct and the concrete aqueduct, and the steel-concrete aqueduct comprises a plurality of telescopic mechanisms which are arranged at intervals in the extension direction of the expansion joint; the telescopic mechanism comprises a telescopic strip and a sliding box, the sliding box is fixed to the concrete aqueduct, one end of the telescopic strip is fixed to the steel aqueduct, and the other end of the telescopic strip is inserted into the sliding box and is in sliding fit with the sliding box; from the bottom plate of the aqueduct to the open end of the aqueduct, the widths of the sliding boxes in the multiple telescopic mechanisms arranged on the side wall of the aqueduct are sequentially increased. The technical problem of water seepage at the expansion joint of the dissimilar material aqueduct is solved.

The invention relates to an intelligent non-opposite-pulling formwork device for aqueduct pouring and a construction method of the intelligent non-opposite-pulling formwork device, in particular to the technical field of aqueduct construction.The construction method comprises the steps that a constructor erects a second supporting mechanism and an outer formwork, and a first supporting mechanism and an inner formwork are erected after erecting is completed; the controller determines the elongation of each hydraulic rod in the first supporting mechanism according to the thickness of the aqueduct body and detects the distance between the inner template and the outer template after the determination is completed; when it is determined that the distance between the inner formwork and the outer formwork is qualified, the controller sends a formwork erection completion signal to the outside, a constructor injects materials into the formworks, and first-layer pouring is conducted with the corresponding position of a second transverse hydraulic rod in a first supporting mechanism as the boundary; when the first-layer pouring is completed and the material reaches an initial setting state, second-layer pouring is conducted; when the pouring of the second layer is completed and the material reaches an initial setting state, the controller controls each hydraulic pump to release pressure and form the formwork, and the constructor erects the next section of formwork; automatic inner formwork supporting is achieved, and the formwork supporting efficiency during aqueduct pouring is improved.

A kind of bead wire processing equipment with high utilization rate of aqueduct, belonging to the field of bead wire plating solution, including an aqueduct, L-shaped tubes are arranged on both sides of the aqueduct respectively, and the L-shaped tubes are respectively connected to the aqueduct through a translation mechanism, and the translation mechanism is also connected to the aqueduct. There is a yaw mechanism, which can make the translation mechanism swing back and forth around itself. The two L-shaped pipes are connected by a connecting pipe. There are wire wheels on both sides of the bottom of the connecting pipe, and the wire wheels are connected to the vertical moving mechanism. The aqueduct Two rollers arranged side by side are arranged on one side of the outlet line of the roller, and a retracting and unwinding reel is arranged on the top of the two rollers, and a flexible cable is wound on the retracting and unwinding reel, and the flexible cable passes between the two rollers. The present invention can also be applied to other water washing tanks, alkali washing tanks, etc. Compared with manual traction or manual tool traction, the efficiency is higher; the structure is simple, it is convenient to improve the existing aqueducts, etc., and the L-shaped The tube is used to realize the stirring of the plating solution, which realizes the maximum utilization of structural resources.

The invention discloses a U-shaped aqueduct truss type all-steel formwork construction method. A formwork used in the method comprises a steel bottom plate, a supporting frame, outer side formworks, a bottom formwork and an inner formwork. The steel bottom plate is arranged at the bottom, the supporting frame is erected above the steel bottom plate, the bottom formwork is arranged above the supporting frame, the bottom formwork is located in the middle of the bottom of the whole aqueduct formwork and used for being connected with the outer side formworks symmetrically arranged on the two sides, the inner side faces of the outer side formworks are in an arc shape attached to a U-shaped aqueduct, and the outer side faces of the outer side formworks are vertically provided with supporting columns on the inner sides. The inner formwork is arranged above the outer formwork, a reinforcement cage is arranged between the inner formwork and the outer formwork, and a U-shaped aqueduct pouring cavity is formed between the inner formwork and the outer formwork; and the inner formwork is of a U-shaped structure, and a plurality of pouring holes are formed in the inner formwork. According to the U-shaped aqueduct truss type all-steel formwork construction method, one-time forming construction of aqueduct reinforced concrete is achieved through the formworks, the stable structure guarantees the forming section of the aqueduct, and the pouring holes are reasonably formed so that the flow passing face of the aqueduct can be smooth and flat; and the whole truss structure is not provided with concrete-penetrating opposite-pulling steel bars, so that the hidden danger of overflowing leakage corrosion of the aqueduct caused by the concrete-penetrating opposite-pulling steel bars is solved.

The invention relates to the technical field of water conservancy projects, and particularly relates to a water stop device for a water conservancy project of a safe large aqueduct structure. The water stop device comprises an aqueduct and a hoist arranged on the upper side of the aqueduct, wherein a top plate is arranged over the hoist; one end of the top plate is fixedly connected with a vertical plate; the upper surface of the top plate is provided with a penetrating hole concentric with a screw; two round holes are symmetrically formed in the upper surface of the top plate; a rotating rodis arranged in the round holes and sleeved with a bearing; the bearing is arranged on the upper sides of the round holes and fixedly connected with the top plate; three hemispherical covers are annularly installed on the outer surface of the upper end of the rotating rod at equal intervals; the lower end of the rotating rod is fixedly connected with a round rod; two supporting plates are symmetrically installed on the outer surface of the round rod; and bristles making contact with the screw are installed at the ends, away from the round rod, of the supporting plates. Compared with the prior art, the water stop device has the following beneficial effects that the purpose of sweeping rust stains on the screw is achieved, and the probability that the rust stains are attached to the screw isreduced.

The invention relates to a TMD and TLD bidirectional mixed damping control device of an aqueduct structure, which comprises a TMD damping tuned mass damper and a TLD large water tank, the TLD large water tank is composed of an aqueduct body and an aqueduct water body, the TMD damping tuned mass damper comprises an elastic element, an energy consumption element, angle steel, a grating and a lead-zinc rubber support, the elastic element is a cantilever beam, the energy consumption element is a cantilever beam, and the angle steel is an angle steel. The fixed end of the cantilever beam is horizontally fixed on the aqueduct wall, the free end of the cantilever beam is provided with a mass block, and the mass block is composed of a permanent magnet and an iron block attached to the permanent magnet; the energy consumption element is composed of a copper plate vertically fixed to the inner wall of the angle steel and a copper pipe horizontally fixed to the copper plate. The grating is arranged along the longitudinal direction of the aqueduct body; and the lead-zinc rubber support is mounted at the bottom of the groove pier. The device is compact in structure, damping and frequency parameters of the TMD are completely separated, quantitative adjustment can be achieved, and accurate simulation of the optimal damping parameters of the TMD in a structural model damping experiment is achieved.

The invention relates to a structure and a construction method of a steel-concrete combined structure aqueduct, belonging to the technical field of building structures. The steel-concrete composite structure aqueduct comprises an upper concrete tank body, a steel tie rod at the top of the tank body and a lower steel beam. The upper concrete tank body adopts a rectangular or U-shaped section, and the lower steel beams are arranged along the longitudinal length of the tank body, and are connected with the upper concrete tank body through connecting pieces to form a whole. The side wall of the tank body is strengthened by variable cross-section, L-shaped thin steel plate pasted on the inside or prestressed steel bars arranged vertically. The top of the side wall of the tank body is connected by steel tie rods. The structure of the steel-concrete combined structure aqueduct of the present invention changes the stress state and structural details of the traditional concrete aqueduct, so that the aqueduct does not need to rely on a large number of prestressed tendons to control concrete cracking, greatly improves the water delivery safety of the aqueduct, and has a simple structure , Convenient construction, economical and practical.