76results about How to "Improve flood protection" patented technology

The invention provides a hinged movable dam and a power unit thereof. The power unit of the hinged movable dam comprises a tappet rod, a hydraulic cylinder, a guide groove structure and a bottom shaft base, wherein the guide groove structure comprises a groove body and a pair of parallel guiding grooves formed in the groove body; one end of the tappet rod is connected with one end of the hydraulic cylinder through a sliding bearing, and the other end of the tappet rod is connected with the bottom shaft base through a hinge; the back of the groove body is fixedly arranged on a gate body of the hinged movable dam, and the bottom shaft base is connected with a foundation connecting plate of a hinge dam; the hydraulic cylinder is used for pushing the sliding bearing to slide upwards or downwards along the guiding grooves, and thus, the tappet rod can swing around the hinge so as to drive the gate body of the hinged movable dam to rise or fall. According to the hinged movable dam and the power unit thereof, the power unit of the hinged movable dam has relatively strong stability, and the gate body can effectively resist water pressure under the supporting of the structure, so that the defect of no-instruction dam dropping of hinged movable dams in the prior art is overcome, and the flood control function of the hinged movable dam can be effectively improved.

The present invention discloses a reservoir group flood control capacity distribution method based on a maximal variable-weight remaining flood control capacity. According to the technical scheme of the invention, serial cascade reservoirs are adopted as equivalent reservoirs and the parameters of the equivalent reservoirs are determined. The weight of the remaining flood control capacity of each reservoir in a serial cascade reservoir group is calculated. According to the weight of the remaining flood control capacity of the serial cascade reservoirs, the weight of the remaining flood control capacity of each reservoir of all equivalent reservoirs is calculated. After that, a reservoir group flood control capacity optimization distribution model based on a maximal variable-weight remaining flood control capacity is established. The model is solved and a flood control capacity optimization distribution scheme is obtained. According to the technical scheme of the invention, the influence of flood characteristics on the reservoir group flood control capacity optimization distribution is fully considered. According to the reservoir inflow, the flood control capacity and the flood routing process, the weight of the remaining flood control capacity of each reservoir is determined, wherein the weight is varying along with different scheduling periods. The influence of subjective factors during the weight setting process of the conventional method can be avoided. The distribution scheme of the reservoir group flood control capacity is optimized and the overall effect of improving the flood control effect in a reservoir drainage basin is realized. The flood control risk of the reservoir is effectively reduced.

The invention discloses a method for hydraulic tailing flushing and filling damming through mold bag boundaries. The method comprises the steps that a weak foundation on a tailing beach is reinforced firstly, and the subgrade bearing capacity of loaded sub-dams is improved; the sub-dams are built by stages by adopting tailing-filled mold bags as the boundaries of the sub-dams, specifically, the stacking height each stage is 10-15 m; dam bodies of the middle portion formed by stacking the mold bag sub-dams are built in a filled mode through a hydraulic flushing and filling method, and the top width of the dam bodies is larger than the required minimum dry beach length of a tailing pond; and flow areas on the tops of the dam bodies formed through hydraulic flushing and filling are reinforced, after the sufficient bearing capacity is achieved, the mold bag sub-dams are adopted for capping, and then damming is completed. According to the method, the requirement for intensity of filling operation for the mold bags is low, the thickness of traditional mold bag sub-dams can be significantly increased, meanwhile, the dry beach length of the tailing pond is increased, and the flood prevention capacity and stability of the tailing pond are improved.

A flood barrier includes glass panels (5) held within a metal frame that includes hollow vertical posts (1) having caps (3) designed for removal so that spigots (20) can be fitted in the posts (1) to allow upward extensions (19) to be connected to the metal frame.

The invention relates to a double-layer flood protection wall using an inflating airbag as a power to automatically lift a turnover plate, belonging to the technical field of hydraulic engineering. The double-layer flood protection wall is mainly formed by connecting the inflating airbag (1), a steel plate (3) of the turnover plate, a connection rotating shaft (7), an automatic inflating device (8), a flexible pull rope (5), a reinforced concrete base wall body (9), a water stopping device (10), a water stopping device (18) and serial buckles among the plates, wherein the lifting of an upper plate is controlled by buoyancy force provided by the air inflation or deflation of the airbag. The invention has the advantages that the double-layer flood protection wall is capable of resisting against the flood at different levels, has light and thin plate, can automatically lift, is convenient to use and has a certain economic benefit, so that the double-layer flood protection wall can be widely applied to the flood prevention project of cities and important buildings.

The invention discloses a geotextile bag dam reinforcing method. Geotextile bags are adopted to reinforce the downstream side of a dam along a river, the dam top is widened under the condition that noland is occupied, a pavement is paved on the widened dam top to serve as a riverside landscape road, the method has the principle that the anti-sliding and anti-seepage stability and the vertical bearing capacity of the dam are improved through the interlayer friction and embedding and fixing effects of the geotextile bags, the water filtration and soil conservation effects of the geotextile bagsand the additional cohesive force provided by the geotextile bags to internal soil. Therefore the method not only can improve the stability of the dam under the condition of not occupying the land, but also increases the application of the dam as a riverside road. The filling material in the geotextile bags can adopt on-site excavated spoil or nearby urban muck and the like, so that waste is changed into treasure, and the waste becomes a renewable resource.

The invention discloses a three-dimensional comprehensive afforestation system of an ecological factory. The three-dimensional comprehensive afforestation system comprises vegetation boxes, water storage tanks, supporting plates, engaging plates, rib plates, water inlet pipes, change-over pipes and connectors, wherein the supporting plates are arranged on the outer surface, vertical to a wall body, of a building; the plurality of layers of supporting plates are arranged; the rib plates are arranged below the supporting plates; one end of each rib plate is connected with the corresponding supporting plate and the other ends of the rib plates are connected with the wall body; the vegetation boxes are arranged on the supporting plates; the vegetation boxes are fitted with the wall body; each vegetation box is internally provided with a plant culture medium; the water storage tanks is arranged at openings of the vegetation boxes; the engaging plates are vertically arranged; the upper ends of the engaging plates are connected with the bottom surfaces of the supporting plates and the lower ends of the engaging plates are connected with the vegetation boxes on a lower layer; and the lower end of the engaging plate at the bottommost part is connected with the ground. According to the three-dimensional comprehensive afforestation system, the water inlet pipes are arranged and a water supply pipeline or a roof water drainage pipe is connected; rainwater is stored in the afforestation system, so that pressure of an urban water drainage system is alleviated; and meanwhile, the rainwater is recycled and the effect of a sponge city is realized.

The invention relates to a method for power generation by developing and utilizing the dead water quantity of a water reservoir, which comprises the following steps: (1) from an Nth level of water reservoir to a 2nd level of water reservoir in a drainage area, selecting at least one water reservoir between a designed dead water level and a designed silting water level, arranging at least one waterpassage which leads the dead water quantity of the water reservoir to a downstream water reservoir; (2) arranging a working strobe and a repair strobe which are opened and closed independently in each water passage respectively, or a common repair strobe; and (3) utilizing the dead water quantity from an upstream water reservoir to carry out power generation by a hydroelectric power station whichis matched with the downstream water reservoir. The water reservoirs at all levels also can be provided with the corresponding hydroelectric power stations, and the dead water quantity in the water reservoir at this level is utilized to carry out power generation. The dead water quantity of the water reservoir is developed and utilized to carry out the power generation, which not only can increase the power generation capacity and obtain cheap electric energy but also is beneficial to flood prevention and disaster reduction.

The invention discloses a compound river channel system. The system comprises a main river channel, revetments disposed on both sides of the main river channel and at least one twisty and different-depth ecological river channel in the water flow direction built in the main river channel. The ecological river channel meets the conditions that in the flat water period and the dry water period, theflow rate of the river main stream is greater than or equal to 0.5 m/s. The compound river channel system has a great improvement on water quality, and can upgrade the main nutrient salt indexes of the water quality, such as ammonia nitrogen, total nitrogen, total phosphorus and the like, from inferior V to near class IV and above; the river channel can store water in the flat water period and thedry water period and conduct flood discharge during the rainy season to enhance the flood control capacity of the river.

The invention discloses a pedestrian and vehicle separation double-path ecofallow commercial gallery bridge, which comprises bridge piers and a bridge panel beam, wherein the bridge panel beam is arranged on the bridge piers, a pedestrian path and a motorway which are also used as fire fighting accesses are parallelly arranged on the upper surface of the bridge panel beam in the longitudinal direction, commercial regions are arranged at the two sides of the pedestrian path, greening leisure regions are arranged every 5 to 10 meters in the longitudinal direction of the pedestrian path, and pollution discharge pipelines are respectively arranged under the middle part and at the two sides of the bridge panel beam. The pedestrian and vehicle separation double-path ecofallow commercial gallery bridge has the advantages that the bridge form can be sufficiently applicable to each wide and shallow river, the vehicle passing requirements are sufficiently guaranteed, the pedestrian group passing safety and convenience requirements are also sufficiently guaranteed, meanwhile, the fire fighting and pollution discharge requirements of the commercial operation range are also guaranteed, and the leisure viewing requirements of the pedestrians can be met.

The invention discloses an intelligent buoyancy type flood control and water retaining device for a ventilation pavilion and a control method. The device comprises a water retaining plate, a shell, a buoyancy assembly, an on-site monitoring system and an electrical control unit. The overall structure of the water baffle is matched with the shape of the ventilation pavilion, and the water baffle is formed by splicing a plurality of water baffles. The shell accommodates the buoyancy assembly and the water baffle, a water inlet hole is formed in the bottom, an extending opening is formed in the top, and a sealing tape is arranged between the extending opening and the baffle. The buoyancy assembly comprises a buoyancy device and a guide device. The buoyancy device drives the water baffle to float upwards. The guiding device is used for guiding the buoyancy device. The on-site monitoring system collects water level information and water baffle state information at the corresponding position of a position sensor in real time through a water level gauge and the position sensor, and transmits the information to the electrical control unit. Compared with preset parameters, judging and displaying are performed. The flood prevention capacity of the ventilation pavilion in rainstorm is improved, the station is prevented from being flooded, and subway operation safety is ensured. The automation degree of monitoring is improved, the speed is high, and the efficiency is high.

The invention provides an intelligent lifting type flood control water retaining device for a fan pavilion and a control method. The device comprises a baffle assembly, a shell, a lifting assembly, a field monitoring system and an electrical control unit, wherein the baffle assembly is matched with the fan pavilion in shape; a sealing rubber strip is arranged on the periphery of the bottom of a baffle; the shell contains the lifting assembly and the baffle assembly and covers a foundation of a fan pavilion opening; a lifting opening is formed in the top of the shell; the sealing rubber strip seals the lifting opening when the baffle ascends; the lifting assembly comprises a linkage lifting mechanism and a motor; the field monitoring system comprises a water level gauge and a position sensor and collects information; and the electrical control unit receives the information and drives the linkage lifting mechanism to ascend and descend by controlling the motor to rotate forwards and backwards, and the baffle is made to stretch out and retract. The lifting mechanism is automatically controlled to drive the baffle to ascend and descend, the flood control capacity of the fan pavilion during rainstorm is improved, a station is prevented from being flooded, and the operation safety of a subway is ensured; and the automation degree is improved, the speed is high, and efficiency is high.

The invention discloses a safety protection type flood control water retaining wall based on water stop strip supporting. The safety protection type flood control water retaining wall comprises a water retaining side frame, wherein a stable supporting plate is fixedly connected to the position, close to the lower portion, of the back face of the water retaining side frame; an anti-impact baffle isarranged in the middle of the interior of the water retaining side frame; mounting rails are fixedly connected to the two sides of the back face of the water retaining side frame; auxiliary sliding blocks are in sliding connection with the interiors of the mounting rails; the exteriors of transmission thread inserting blocks are in sliding connection with the interiors of adjusting rails; the tops of the transmission thread inserting blocks are fixedly connected with extending protection plates; and sandbag limiting stacking mechanisms are in sliding connection with the interiors of first limiting grooves and second limiting grooves. The invention relates to the technical field of flood control. According to the safety protection type flood control water retaining wall based on water stopstrip supporting, buffering of flood impact force is achieved, the force of front face impact of the water retaining wall is reduced, and the matching stability between the flood control wall and sandbags is improved.

The invention belongs to the technical field of infrastructure construction of municipal administration, gardens, water conservancy, navigation channels and the like, and particularly relates to a novel green design method for solving the problems of bridge clearance deficiency and an oversteepened approach road longitudinal slope. More specifically, the problems of bridge clearance deficiency and the oversteepened approach road longitudinal slope are solved by adopting a method for separating a navigation channel from a water channel. According to the main design contents, a new river channel serves as the navigation channel; a reserved original river channel serves as the water channel; a water channel bridge is designed on the reserved original river channel; a navigation channel bridge is designed on the new river channel; an integral or separated river island is formed between the new navigation channel and the reserved original river channel; and the river island is subjected to green landscape design. The method has the characteristics of simple design, convenient construction, low post-maintenance expense, high traffic efficiency, environmental protection and the like. The invention provides a set of advanced, efficient, economic, practical and environmentally-friendly novel green design method for solving the problems of bridge clearance deficiency and the oversteepened approach road longitudinal slope, and the method has great economic and social effects and wide development and application prospects.

The invention provides a high-water-level disaster-caused control method for sedimentation sections at the confluence of main-tributary streams by regulating sediment with marginal bank erratic boulders under high-intensity sediment from tributary streams. The high-water-level disaster-caused control method includes the steps of (1) selecting a main stream at the confluence of main-tributary streams requiring sediment regulation by the marginal bank erratic boulders as a target reach, wherein the target reach is a steep-gentle connection reach, a gully bed slope of an upper reach of the steep-gentle connection reach is greater than that of a lower reach, and a gully bed slope of a tributary stream at the confluence of main-tributary streams is greater than that of the upper reach of the steep-gentle connection reach; (2) surveying a position of a sediment accumulation body of the target reach at the confluence of main-tributary streams; (3) subjecting the erratic boulders to staggeredarrangement on a left marginal bank and a right marginal bank of the upper reach of the target reach, wherein the erratic boulders at the highest reach are positioned at the confluence of main-tributary streams and the upper reach of the sediment accumulation body at the confluence of main-tributary streams of the target reach. The high-water-level disaster-caused control method can improve the flood carrying capacity of the sedimentation sections at the confluence of main-tributary streams of mountain rivers under the high-intensity sediment from tributary streams.

The invention belongs to a structure for water storage and drainage of a pipeline in the rainwater drainage technology and facility systems. The structure adopts the technical scheme that a community rainwater draining pipe is connected to the upstream of a community first outdoor rainwater well; a high-position rainwater pipe and a low-position rainwater pipe are respectively connected to the downstream of the community first outdoor rainwater well; the other ends of the high-position rainwater pipe and the low-position rainwater pipe are respectively connected to the upstream of a community second outdoor rainwater well; a municipal rainwater collection pipe is connected with the downstream of the community second outdoor rainwater well; the pipe diameter of the community rainwater draining pipe is respectively larger than that of the high-position rainwater pipe and the low-position rainwater pipe; the pipe diameter of the municipal rainwater collection pipe is larger than or equal to that of the high-position rainwater pipe; a valve is arranged at the starting end of the low-position rainwater pipe. The structure solves the problems of water storage and flood detention, and effectively, timely and controllably achieves the effect of peak clipping when the rainwater discharge flow reaches a peak value.

The invention discloses a water conservancy flood prevention plate. The water conservancy flood prevention plate comprises a fixed base, wherein the top of the fixed base is fixedly connected with a flood prevention plate body; a buffer groove is formed in one side of the flood prevention plate body; a buffer hole is formed in the bottom of the inner wall of the buffer groove; the two sides of theend, far away from the buffer hole, of the inner wall of the buffer groove are fixedly connected with supporting plates; the two ends of the side, close to the buffer hole, of each supporting plate are fixedly connected with buffer springs; the center of the side, close to the buffer hole, of each supporting plate is fixedly connected with a telescopic rod; the ends, far away from the supportingplates, of the buffer springs are fixedly connected with buffer plates; the ends, far away from the supporting plates, of the telescopic rods are fixedly connected with the buffer plates; and the bottom of the inner wall of the buffer hole is fixedly connected with a buffer sealing device. The invention relates to the technical field of water conservancy projects. The water conservancy flood prevention plate can effectively reduce the impact force of water flow, and is good in buffer effect, high in flood resistance, not prone to toppling, large in water retaining capacity and convenient to carry.

The present invention belongs to the ecological technology field, and relates to a riparian zone ecological remediation measure suitability assessment method. The method comprises: status assessment of a riparian zone to be remedied, construction and systemization classification of an ecological remediation measure library, division of a riparian zone type regions and primary election of remediation measures, determination the dominant function of the riparian zone and optimization of the primary election measures, and obtainment of a final suitability remediation measure in the view of site conditions of the riparian zone. The method provided by the invention can consider development of other functions of a riparian zone while ensuring the development of the dominant function of the riparian zone; and a suitable riparian zone ecological remediation measure euphemistically saves the economic cost. The suitable riparian zone ecological remediation measure avoids the problem that empirical remediation measures are not suitable for the riparian zone functions and the site conditions to cause that the tree species cannot grow or loss of effect of the tree species is generated within a short time; and moreover, the suitable riparian zone ecological remediation measure can improve the flood prevention and slope stabilization and dam reinforcement capability, reduce side slope water and soil loss, improve soil, improve water quality and provide habitats for animals and plants.

The invention discloses an arch-shaped thin-wall structure retaining dam capable of being quickly constructed and an application method of the arch-shaped thin-wall structure retaining dam. The structure of the arched thin-wall water retaining dam is composed of a water retaining dam plate, supporting columns, pull rods, ground anchors, a basic water stop and a water stop connecting structural part. The water retaining dam plate is a rectangular hard thin plate, the vertical section of the dam plate is arched, the upper edge and the lower edge of the dam plate are respectively provided with anoutward folded edge, the lower edge of the dam plate is arranged on the foundation water stop, and the upper edge of the dam plate is fixedly connected with the upper ends of the supporting columns;the supporting columns are rigid structural columns, the top ends of the supporting columns are connected with the upper end of the dam plate through a connecting structure, and the lower end of the supporting columns are fixed on the foundation through hinged supports; the ground anchors are fixed on the foundation of the backwater side of the water retaining dam plate, a bolt penetrates throughan opening in the lower end of the water retaining dam plate and is connected with a bolt pressing plate, and the bottom of the water retaining dam plate is fixed on the ground anchors; and the waterretaining dam plate is connected with each other through a water stop connecting structural member. The construction method has the beneficial effects that the retaining dam can be rapidly constructedand formed, the flood prevention capacity of the dam is improved, flood raviness is prevented, the construction speed is high, the water retaining effect is good, excessive manpower and material resource input is not needed, earthwork is not needed completely, and the construction method is ecological, environmentally friendly, safe and reliable.

The invention relates to the technical field of water conservancy projects, in particular to a hinge movable dam. The hinge movable dam comprises a dam body, a power structure, a self-locking structure and a supporting structure. The power structure is connected with the dam body, and the power structure drives the dam body to rotate. The self-locking structure comprises a drive part and a limiting part, the drive part is connected with the limiting part and drives the limiting part to rotate, and the limiting part is provided with a limiting groove. The supporting structure comprises a supporting part and a sliding part connected with the supporting part, the supporting part is rotationally connected with the dam body, and the sliding part slides into the limiting groove or slides out ofthe limiting groove when the supporting part and the dam body relatively rotate. According to the hinge movable dam, the dam body can be kept at an appointed height all the time, and the service lifeof the power structure can also be prolonged.