733 results about "Revetment" patented technology

The invention relates to the technical field of revetments and provides a construction method of a cast-in-site planting concrete revetment. The concrete revetment manufactured by utilizing the method has the advantages of high strength, good overall landscape effect, strong gradient adaptability, no water-body pollution, water erosion resistance, larger revetment self-weight, safety and reliability, and a water body can be effectively protected. The construction method comprises the following steps of 1, prefabricating acid nutrient soil; 2, arranging a side slope and pouring a concrete lattice frame; 3, pre-placing a nutrient layer; 4, laying inverted-filtering geotechnical cloth on the nutrient layer; 5, pouring planting concrete; 6 carrying out water-preserving, heat-preserving, fertilizer-preserving and alkalinity-reducing processing on the planting concrete; and 7, finally, uniformly spreading the seeds of greening grass and the nutrient soil onto the surface of the planting concrete to form a planting layer with the thickness of 1.8 to 2.2cm, and covering a non-woven fabric onto the surface of the planting layer for watering, moisture preservation and maintenance until the greening grass covers the whole green area.

The invention relates to a method for constructing the roadbeds of heavy haul railways in saline ground areas, comprising the following steps: packaged sand drain method is adopted to reinforce and tightly compact the saline ground where a foundation is constructed; a first sand bedding is paved, and a first waterproof layer made by two cloth-a film earthwork synthetic materials is then paved on the first sand bedding; earth is taken around the foundation, and the roadbed body is constructed by the taken earth; revetments are arranged at both sides of the roadbed body, and mortar flag stones with drainage ditches are arranged on the revetments; a second sand bedding is paved on the upper surface of the roadbed body, and a second waterproof layer made by two cloth-a film earthwork synthetic materials is then paved on the second sand bedding; stop blocks with drain holes for roadbeds are respectively constructed at both ends of the tops of the roadbed body; a third sand bedding is paved on the second waterproof layer. The method for constructing the roadbeds of heavy haul railways in saline ground areas breaks through the traditional construction technology and provides guarantee for the improvement of the operation.

The invention discloses a sectored multi-step ecological buffer type revetment system. The revetment system is provided with at least four levels of steps, blocking walls are sequentially arranged on the outer sides of the steps, one plant planting zone is arranged in the blocking wall of each level, soil matrix is arranged in the upper layer of each plant planting zone, yellow sand, ceramsite, soft rock and zeolite are sequentially in the lower layer of the plant planting zone of each level, and emersed landscape plants and submergence-tolerant plants are arranged in the plant planting zone of each level; hydraulic drop platforms are sequentially arranged in the corresponding positions of spaced plant planting zones of the blocking walls; and one guide plate is arranged between each blocking wall and the corresponding hydraulic drop platform; the plant planting zone of the first level is connected with a farmland drainage canal and is sectored towards the downstream to form a hydraulic-drop type hierarchical structure in an open sectored shape, the sector radius is 5-8 m, and the central angle is 45 degrees-75 degrees; and the blocking wall of the last level is connected with a river channel. The sectored multi-step ecological buffer type revetment system not only has the efficacies of protecting river channel side slope, and realizing flood water drainage and water and soil conservation, but also has good purification and landscape effects.

The invention discloses cast-in-situ reversed filtering type non-watertight eco-concrete and a construction method for a revetment thereof. The eco-concrete is the composition of grain aggregates and a cement hydrate; the grain aggregates comprise coarse aggregates and thin aggregates, which account for 70 to 85 percent of the total weight of the composition; the cement hydrate is the mixture of Portland cement, water and additive; the doping amount of the cement and the water accounts for 14.5 to 29.5 percent of the total weight of the composition; the additive comprises calcium salt, silicon powder, functional inorganic salt as well as lignosulphonate question mark hydroxycarboxylic acid; and the doping amount of the additive accounts for 0.1 to 0.5 percent of the total weight of the composition. The eco-concrete of the invention can realize cast-in-situ construct, and has higher anti-pressing intensity; moreover, the poriness size and the aperture distribution range can be designed and the controllability is good; the cast-in-situ reversed filtering type non-watertight eco-concrete applied to the fields of revetment protecting and controlling can improve the anti-pressing intensity, the permeable performance and the reversed filtering performance of the concrete revetment and simultaneously has the function of greening vegetation.

The invention relates to a method for constructing a wetland type river channel. A natural gentle slope type retaining wall is constructed in a land directional area from the position above a normal water line to the top of a protection slope by using soil engineering materials, tree and shrub vegetation is planted, emergent aquatic plants are respectively planted in a bottomland area and a shallow water area of the river channel, floating-leaved plants and submerged plants are planted adjacent to the emergent aquatic plant area, and the transverse width of the planting area on each side is equal to or smaller than one fourth the width of the water area of the river channel. According to the method for constructing the wetland type river channel, the foundation with the novel soil engineering materials, the biological protection slope provided with the novel soil engineering materials as the foundation and covered by the tree and shrub vegetation, a bottomland wetland with emergent aquatic plant community as the main body and a bank zone with the floating-leaved plant and submerged plant communities as the main body are constructed respectively on the wetland type river channel, and a river channel biological system with the complete structure and function is formed. The method for constructing the wetland type river channel is capable of obviously improving river water quality, good river channel landscape can be created, and the living quality of city residents can be improved.

The invention discloses an ecological building block, which comprises a basic block monomer, the middle of which is opened with a plant growing cavity; the front wall of the plant growing cavity is an exterior surface, the back wall thereof is an earth-retaining surface, and two side walls thereof are transversely provided with ecological holes; and the width of the exterior surface is less than that of the earth-retaining surface. The ecological building block has simple structure and low cost, can reduce construction cost by 10 to 20 %, is simple and convenient to construct, reduces land occupation furthest, and increases land utilization value. A garden retaining wall or river channel revetment made from the ecological building block is not only beneficial to growing of animals and plants, causes the wall or the revetment full of vitality and aesthetic perception, but also beneficial to ecological environment protection.

The present invention relates to the embankment protection in water conservancy and hydroelectric power system, especially inner slope in water reservoir. The plant configuration and ecological engineering technology of the present invention is superior to traditional concrete, laid stone wall, anchor pile and other traditional rigid means, which are lack of ecological effect of purifying water and lasting effect, and superior to available biological engineering means with non ideal effect. The present invention is one ecological engineering technology with vetiver as main body and other plant variety, and has superior ecological effect, lasting slope protection effect, low cost and simple construction process.

The invention provides a large filling bag ecological embankment and revetment building method for a river lake channel. The method comprises the steps that (1), on the basis of cleaning and leveling, an embankment structure is filled with cleaned river lake bottom mud layer by layer through the large filling bag technology until the embankment structure reaches up to a designed elevation of the embankment top and the height of 0.5-1 m beyond the designed elevation is reserved through filling construction; (2), the cleaned river lake bottom mud is filled through a land pump, or special complete equipment and corresponding construction technologies are adopted to directly conduct mechanical paving and filling, and then the filled cleaned river lake bottom mud is sewn into bags; and (3), filling soil materials of the large geotextile filling bag embankment structure are taken from local resources, the bottom mud obtained through river lake regulation and channel excavation and cleaning is used as the filling soil materials, the initial water content of the filling soil materials is controlled within the range from 50%-80%, and the large filling bag embankment structure which is layered appropriately is adopted according to the practical situation. According to the method, the design is reasonable, the process is simple, construction is easy, operation is convenient, cost is low, popularization is easy, the ecological functions are good, and the method is applicable to ecological management and ecological channel construction of river lakes in soft soil areas.

The invention relates to a vertical revetment river lake water wet land system and a construction method thereof. In the system, two rows of gabions are arranged on revetment and offshore sides to form a water wet land; willows and emergent aquatic plants are planted on the gabions; spherical fillers are arranged on the upstream side; ripraps are filled on the two sides; submerged plants and floating plants are planted in the water wet land to form a submerged plant zone and a floating plant zone respectively; and stones are placed in the water wet land. The system overcomes the defects of vegetation deterioration, reduced biological diversity, water degradation, reduced landscape aesthetic value and the like of the original river lake water zone caused by the reinforced concrete verticalrevetment in the river lake water zone. The system closures pollutants in the water, settles silt carried by the water, purifies water quality, improves water, reduces difficulty of river treatment, lightens load of water treatment, forms vegetation zones, provides a perched space for fishes, and improves biological diversity.

A method of ecological construction of an upright revetment-type lakeside zone is characterized by includes the steps, in lakeside zone water: a, choosing an upright revetment; b, fixing a stepped plant floating bed; c, establishing an aquatic zone; d, setting up an anti-wave layer; e, suspending a wave dissipation layer; f, suspending a movable wave dissipation layer; and g, removing the anti-wave layer, the wave dissipation layer and the movable wave dissipation layer. By the method, a plant space reasonable in configuration is provided, biodiversity is improved effectively, wave resistanceis high, the lakeside water landscape zone is enlarged, water environment is beautified and improved, pollution is avoided, and evident environmental, economic and social benefits are achieved. The method is applicable to water ecological restoration of lakeside zones at hard coastlines of rivers, lakes, reservoirs and the like.

The invention discloses an amphibious floating island suitable for a riparian zone. The amphibious floating island comprises floating bed units and fixing devices, wherein the fixing devices are fixedly arranged along the embankment direction, a plurality of floating bed units are longitudinally and horizontally arranged along the bank, and adjacent floating bed units are in flexible connection with each other through a rope lock. The invention also discloses a construction method of a revetment applying the amphibious floating island. The construction method mainly comprises the steps of fixing the floating island at the highest water line in the riparian zone of a reservoir, and arranging emergent aquatic plants which accord with the regional characteristics of the Three Gorges reservoir region on the floating island. The floating island is simple in structure and flexible in application, and can produce a corresponding 'bending' phenomenon in the process of matching with the increase amount of water level. The emergent aquatic plants on the floating island can satisfy the requirement on improvement of the ecological environment of a water body, and afforest the bare riparian zone when the water level falls without secondary pollution, so that the amphibious floating island has an eco-friendly effect, and is especially suitable for littoral zones with great water level fluctuation.

The invention provides a lattice type river bank revetment structure and a construction method thereof. The lattice type bank revetment structure is wide in use, high in construction speed and attractive in appearance. The technical problems that an existing river bank revetment structure is poor in stability and water permeability, complex in construction and tight in construction schedule are solved. The lattice type river bank revetment structure is characterized in that the structure is provided with a slope body frame composed of a ribbed plate 1 and a ribbed plate 2, the slope body frame is filled with polygonal stones 3, geotechnical fabric 4 is laid on the lower portion of a slope body, the two edges of the slope body and the upper end of the slope body are fixed through edge sealing beams 6, the lower end of the slope body is provided with a slope toe foundation 5, and a riprap scour prevention band 7 is paved on the slope toe foundation 5 along one side of a riverway. The two ends of the ribbed plate 1 are provided with symmetric inverted trapezoidal plugs 8, and water permeable through holes 9 are arranged in the centers of the ribbed plate. The ribbed plate 2 is of a column body structure, three trapezoidal concave inserting grooves 10 which are used for fixing the lattice ribbed plates are arranged around a column body, the shape of a groove opening of each trapezoidal concave inserting groove corresponds to the symmetric inverted trapezoidal plugs at the two ends of the lattice ribbed plate, and the groove openings of the trapezoidal concave inserting grooves are mutually embedded with the symmetric inverted trapezoidal plugs at the two ends of the lattice ribbed plate.

The invention discloses a campus rainwater ecological cleaning integrated-processing method and an ecological cleaning integration system. The method comprises the following steps: 1) establishing an integration processing system for processing campus rainwater in a campus in advance; 2) selecting a proper processing method according to ecological purification conditions of different water bodies in the campus; and 3) finally collecting rainwater processed in the step 2) to a landscape water body in the campus, or discharging into a river in the campus, or collecting into the underground water layer of the campus. The system comprises an undercurrent type artificial wetland system for processing campus initial-stage rainfall runoff, a shoreland-area closure system for processing campus storm runoff, an ecological floating bed-aeration plug-flow system for processing campus natural revetment river water body, an artificial waterweed-micropore aeration system for processing campus hard revetment river water body, and a biomanipulation-fountain aeration system for processing campus enclosed pond water body. The beneficial effects comprise that the purification effect is good, the cost is low, the resource utilization rate is high and the purification effect is lasting.

The invention discloses an electro-osmosis consolidation shearing device. The electro-osmosis consolidation shearing device comprises a frame, a vertical loading system, a horizontal shearing loading system and an electric insulation experiment box, wherein the frame comprises a bottom frame and a portal frame; the bottom frame is fixedly connected with the portal frame; the vertical loading system is fixedly connected to the upper wall of the portal frame, and comprises a shaft pressure air cylinder, a shaft pressure displacement electronic sensor and a shaft force sensor; the electric insulation experiment box comprises electrode tubes, an upper shearing box and a lower shearing box; during an electro-osmosis experiment, soil is placed in the upper shearing box and the lower shearing box, and the electrode tubes are inserted into the soil. The electro-osmosis consolidation shearing device is high in experiment efficiency, small in occupation area, convenient to operate, compact in structure, accurate and reliable in determination result, and applicable to an indoor or field experiment for the electro-osmosis test on soft clay and mucky soil in eastern coastal regions and the Pearl River Delta region, and serves for solving the related engineering problems of foundation deformation and stability parameter determination in geotechnical engineering problems of foundation treatment, coastal reclamation, port revetment and the like.

The invention discloses a system for purifying micro-polluted water flowing to reservoirs (lakes) and repairing ecological wetlands. The system comprises a hydraulic-power automatic control overturning gate, an artificial wetland and multistage stepped artificial wetland revetments, wherein the hydraulic-power automatic control overturning gate is arranged in a riverway to intercept the riverway into an upper stream and a lower stream; the artificial wetland is arranged in the riverway on the upper stream of the hydraulic-power automatic control overturning gate; the multistage stepped artificial wetland revetments are arranged on two sides of the riverway on the upper stream of the hydraulic-power automatic control overturning gate; each multistage stepped artificial wetland revetments comprise sheet pile members formed by non-fine concrete plates and piles; the sheet pile members are arranged on the bank slope of the riverway from high to low line upon line; and fillers and grown plants are filled between the two adjacent sheet pile members. The invention provides a technology for purifying micro-polluted water flowing to reservoirs (lakes) and repairing ecological wetlands. Polluted water in riverways is repaired through utilizing the ecological embankment and ecological wetland method, so that the contents of COD, BOD, TP and TN are reduced greatly.

The invention discloses an ecological wave-weakening water conservation revetment structure. The ecological wave-weakening water conservation revetment structure is characterized in that an emergent plant wave-weakening area is arranged below a high water level of a revetment, a hygrophyte corrosion prevention area is arranged above the high water level until the top of the revetment, and an economical plant dike dam area is arranged on the top of the revetment and the remaining space. One to two rows of wave-weakening piles are arranged on the side, close to water, of the emergent plant wave-weakening area, wherein large emergent plants are planted in the emergent plant wave-weakening area in a wide and dense mode, and the emergent plants are mixed in the shape of strips and arranged parallel to the water flow direction. Hygrophytes with luxuriant roots and leaves are planted in the hygrophyte corrosion prevention area in a wide and dense mode, and the hygrophytes are mixed in the shape of strips and arranged parallel to the water flow direction. The economical plant dike dam area is of a windbreak tree belt structure formed by mixing economical trees and shrubs, wherein ecological garden dike roads are paved in the windbreak tree belt structure in a natural style for relaxation and sightseeing of tourists. The ecological wave-weakening water conservation revetment structure not only has the remarkable water conservation embankment effect, but also has the advantages of being ecological, attractive in appearance, and capable of weakening waves and enhancing effects.

The invention relates to an ecological engineering technology for stopping riverway coastal pollutants from entering rivers and restoring vegetation communities. The ecological engineering technology consists of four basic unit systems, namely a land pollutant stopping and purification system, a slope protection system, a base construction system and a plant cultivation system; the units consist of physical materials and plants, wherein the pollutant stopping and purification system is built by materials such as plastic, woods, gravels, plants and the like; the slope protection system is built by materials such as woods or concrete, stone blocks, metal wires and the like; the base construction system is built by materials such as plastic, woods, soils, gravels, metal wires and the like; and the plant cultivation system consists of materials such as plants, plastic, soils and the like. The ecological engineering technology aims at land directional runoff pollution and side slope ecological structure construction of rural or urban suburban riverways, and has the advantages of fully and effectively collecting, detaining and purifying the land directional runoff pollution, particularly the runoff pollution of initial rain water, reducing the total amount of pollutants entering the riverway and realizing effective control on the riverway pollution; meanwhile, by the ecological engineering technology, a physical structure and a biologic structure of the riverway from the land direction to the water direction can be stabilized and perfected by building and restoring revetments and bases of the riverway, so a healthy, stable and developed riverway side slope biologic system is formed at last.

The invention provides an ecological restoration method of a city riverway. Firstly, the riverway pollution condition is investigated and detected, and the pollution condition and the ecological condition in different areas of the riverway are determined; according to investigating and detecting data, segmented planning treatment is performed, ecological restoration of the riverway needs to directat clearing of sludge at the river bottom, then the root can be treated, and it is prevented that waste accumulated in the sludge at the river bottom continuously pollutes the riverway; the water flow direction and the flow speed of the riverway are improved through an overflow dam, diverse flow speed zones favorable for various organisms are formed, and planting of various aquatic plants is facilitated; contact between the organisms in the riverway and river bank soil is improved due to ecological bank protecting, and the self-cleaning capacity of water flow flowing into the riverway is improved; and an intercepting net is used for intercepting waste floating in the riverway, the waste is driven into a collecting groove due to the water flowing effect, and concentrated clearing by personnel is facilitated.

The invention relates to a block stone-reinforced concrete piling composite groyne bank protection structure, which is used for bank protection in hydraulic engineering and ocean engineering. The block stone-reinforced concrete piling composite groyne bank protection structure consists of reinforced concrete pilings, connecting and tying beams and block stones. When the composite pile type groyne structure ensures the accretion promotion and pond protection effect of the pile type groyne, the goal of reducing the engineering manufacture cost is reached through enlarging the piling space and reducing the consumption of reinforced concrete.

The invention discloses a silt retaining and consolidating method for use in debris flow gully ecological engineering and use thereof. The method comprises: planting a plurality of brush woods for increasing the roughness of the gully bed in a silt transfer area between a debris flow flowing area and a silt settling area in the gully; planting bank-protecting and scouring-preventing forest at the foot of a slope of the gully along the bank of the gully for preventing flowing water from scouring the silt on the bank of the gully; and planting arbor and bush combined improved protection forest in the silt settling area to improve the impact strength of soil body. When the method is used, the use of other civil engineering measures in combination is determined according to the occurrence frequency of debris flow. Compared with the prior art, the method can effectively retain, consolidate and improve the silt in the silt transfer area, on the gully slope and in the silt settling area in the debris flow gully, consolidate and improve retained and deposited silt while reducing silt sources, improve the self-stability of the silt soil body in the silt settling area, strengthen the sand control capability of the gully and improve the landscape of the gully.

The invention relates to a construction method of a live branch frame type plane source retaining purified ecological revetment. The method comprises the following steps of: paving rock stones on an included angle position of a riverbank slope surface and a riverbed; bundling epicormic branches of willows, clethraceae and black poplars into live branch bunches; since the live branch bunches form a live branch frame, paving the live branch frame on the riverbank slope surface along the block stones, paving live branch layers and live branch frame layers in a staggered way layer by layer on the live branch frame layers; and paving filling in the top most layer of frame. The invention aims to solve the problems that a natural slope protection way has poor stability, hard slope protection causes adverse effects on the ecology, the environment and the landscape of a revetment, and the ecological slope protection landscape is excessively single and too high in cost. The revetment is completely constructed by natural materials, builds a fine riverbank biological habitat environment and ensures the stability of the revetment; in addition, beautiful natural landscapes are formed on a riverbank revetment, and a plant-gravel-microorganism system formed on the revetment has better retaining and purifying effects on pollutants entering into a river channel in a plane source way.