30results about How to "Rich landscape" patented technology

The invention discloses a landscape type combined domestic sewage purification system, which is formed by a water inlet, a sewage disposal port, a water outlet, an oil stain baffle, a settling pond front wall, a settling pond bottom, a settling pond rear wall, a sediment collecting area, a water inlet end baffle of an artificial filter bed, a water outlet end baffle of the bed, a water distribution system, a collection system, setting ratio of 0.5 percent, the artificial filter bed, an inclined pond bottom of a reed planting area, an inclined pond bottom of a water lily lotus planting area, a horizontal pond bottom of a submerged plant planting area, the reed planting area, the water lily lotus planting area and an artificial filtering pond planting submerged plant planting area. The purification system plays a certain role of protecting surrounding surface water; and since the purification of sewage can be realized by using a town landscape system, the invention also solves the problem of tense land occupied by domestic sewage. Since the purification of the sewage can be realized by adopting a natural process in large amount, the system has low operation cost and simple maintenance. The invention has the advantages of scientific and reasonable design, integration of afforestation and sewage disposal and guarantee of green land multifunction, green land water purification, green land sewage disposal and green land landscape.

The present invention provides a fast cultivation method of large root-appreciative sight tree in garden with the root system substituting the trunk; the new root system of the seedling tree is scattered and pruned; the left roots are cut clinging to the floor and the seedling is lifted and soaked in radication liquid; the process flow mentioned above is repeated only with the cylinder height being increased by two times and the frame and root lifting height being correspondingly increased by two times; the root lifting process is repeated for a plurality of times and the tress is combed and the tree crown is cultivated; with the process of coiling weaving, pruning, approaching grafting, climbing and trimming for garden miniascape, the root system is made into a trunk which is like a cage and implemented with the soil planting through hole transplanting. The large root-appreciative garden sight tree cultivated with the present invention is characterized by a short production cycle and fast forming; the sight tree is fit for mass production and can be implemented with original sculpt according to design requirements; the plasticity is high; the shapes are various and elegant with great appreciative value. The tree is young and easy to be transplanted with a high survival rate; in addition, the tree can restore the original form fast after being cut.

The invention belongs to the technical field of environmental engineering and in particular discloses a method for improving the running effect of an artificial wetland in winter. The method comprises the following steps of: planting water plants which are easy to harvest in the artificial wetland; harvesting a part of plants of the artificial wetland in winter which are used for anaerobic fermentation to produce biogas; and then heating the sewage nearby the plant roots of the artificial wetland by using the heat energy produced by biogas burning to improve the activity of microbial population around the roots and maintain sewage-purifying capability of the wetland at low temperature in winter. The biogas residues produced by fermentation are composted and are used as organic fertilizersto breed wetland landscape plants. The method does not have wastes discharge and secondary pollution in the whole process and has the advantages of less construction investment, good treatment effect, low running cost and simple and easy management.

The invention relates to a space module building which comprises a framework, space modules and contained objects of multi-storey buildings and the like.The framework comprises building roof structures, force-resisting components and optional protruding objects; the space modules are formed by dividing the framework through the horizontally arranged storey structures and the vertically distributed vertical force-resisting components, the height of each space module is the height of at least two natural storeys, the plane dimension is large, and the contained objects of the multi-storey buildings and the like can be built in the space modules; generally, concrete-filled steel tube columns are arranged on the outer edges of each space module, and the multiple space modules are connected and separated through barrels which are arranged in the center area of the building in the horizontal plane; due to the fact that completely assembled type lightweight storeys and wall boards which are low in price and high in heat-insulating property can be adopted as the contained objects of the multi-storey buildings and the like, compared with an existing high-rise building, the space module building is high in construction speed, reduces the construction cost and labor intensity, is greener and more environmentally friendly and improves the economic benefit of a construction project.

The invention discloses a frame fixing base machining device. The frame fixing base machining device comprises a second working platform, a second winding drum mechanism used for winding a second ironplate, a second extrusion forming mechanism used for extruding two parallel straight plates on the second iron plate, and a third cutting mechanism used for cutting the second iron plate and the twostraight plates, wherein the second winding drum mechanism, the second extrusion forming mechanism and the third cutting mechanism are sequentially arranged on the second working platform; and the frame fixing base machining device further comprises a second conveying mechanism arranged on the second working platform and used for conveying the second iron plate. According to the frame fixing basemachining device, automatic machining of a frame fixing base is achieved, the production efficiency is high, the device can be suitable for batch production, and manpower is saved. The invention further discloses a fence machining production line. The production efficiency of a fence is greatly improved, the fence machining production line is suitable for batch production, the manpower is saved, and the production cost is saved.

The invention relates to a rainwater garden with rainwater filtering, purifying and storing functions and a filtering method thereof. The rainwater garden comprises a plurality of horizontal baffling areas. The horizontal baffling areas are arranged in a transverse side-by-side mode in series connection to form a multi-stage purifying area. Rainwater flows from the front end of each horizontal baffling area to the tail end of the corresponding horizontal baffling area. An overflow brick partition wall is arranged at the communicating position of the tail end of each horizontal baffling area and the front end of the other connected horizontal baffling area. Each horizontal baffling area comprises a plurality of vegetation areas and a plurality of gravel filtering areas, and the vegetation areas and the gravel filtering areas are arranged in series connection at intervals. Overflow brick partition walls are arranged between the vegetation areas and the gravel filtering areas in each horizontal baffling area. The rainwater garden has the advantages that the rainwater filtering, purifying and storing functions are given to full play, the problems about plant root rotting and rainwater reusing can be solved, and a certain landscape effect is achieved.

The invention discloses a greening plant-supporting box comprising a bottom positioning member, a middle stabilizing member and a top fixing member stacked in sequence from bottom to top; a tree inserts the bottom positioning member, the middle stabilizing member and the top fixing member, thus reducing safety influences on pedestrians; the greening plant-supporting box can optimize the non-beautiful problems of an arbor and hard pavement juncture, thus providing good stabilizing effect.

The invention relates to the technical field of fountains and in particular relates to a round-swing fountain device. The round-swing fountain device comprises a guide frame, a plurality of nozzle assemblies, a poking part in driving connection with the nozzle assemblies, a swing ring in driving connection with the poking part, and a swing driving mechanism for driving the swing ring to swing, wherein the guide frame is provided with a guide channel for medium circulation, and the nozzles of the nozzle assemblies are communicated with the guide channel. Under the action of an external water pump, fluid mediums enter the nozzles through the guide channel of the guide frame and are sprayed through the nozzles. The swing driving mechanism drives the swing ring to swing, and the swing ring drives the nozzle assemblies to swing through the poking part, so that the nozzles swing towards the inside and outside of the swing ring and mediums sprayed from the nozzles are thrown towards the inside and outside of the swing ring. The round-swing fountain device has a simple structure, has reduced manufacturing cost, can be installed and maintained conveniently, is small and exquisite, and is particularly suitable for sand table showing; and mediums sprayed from the nozzles are thrown towards the inside and outside of the swing ring, so that the water landscape is colorful and the viewing effect is good.

The invention relates to a method for enhancing the safety of a river ice surface temporary road by additionally mounting a structure and belongs to the technical field of road traffic. In order to solve a problem that the river ice surface has a potential safety hazard as the temporary road, the invention provides the method for enhancing the safety of the river ice surface temporary road by additionally mounting the structure. Before icing, a net-shaped structure is pre-laid underwater, the net-shaped structure is fixed in a position, having 2 / 3 distance from the ice surface, in an ice layer, the two ends of the net-shaped structure are fixedly arranged on fixing piles on both shores, and the ice surface in the middle position above the net-shaped structure is the safe ice surface temporary road after the water surface is iced to form the ice surface. According to the method for enhancing the safety of the river ice surface temporary road by additionally mounting the structure, by additionally arranging the net-shaped structure in an ice body, the strength and bearing ability of the ice body are improved; the bearing ability of the ice body reaches 5KG / cm2 or above; the safety ofthe ice surface as the temporary road is enhanced; the safeties of passing vehicles and pedestrians are guaranteed; and a problem that traffic jams in cities are caused during using bridges in winters is effectively solved.

The invention discloses a method for cultivating ulmus pumila in a multi-layer shape by combined planting. The method comprises the steps: cultivating ulmus pumila nursery-grown plants in a nursery garden in advance; determining a stem after sap starts to flow in spring, the stem height respectively being 80 cm, 130 cm, 180 cm and 230 cm for 4 nursery-grown plants; pruning every 2 months within a growing period of the nursery-grown plants; selecting ulmus pumila nursery-grown plants at different heights for combined planting at next spring; setting 3 main stems for inarching; and after inarching, fixing lateral branches and clipping at regular intervals. The method disclosed by the invention relates to a cultivating method using multiple ulmus pumila nursery-grown plants for combination, inarching and pruning, so as to develop the ulmus pumilain a multi-layer shape, shorten the cultivating period for shaped nursery-grown plants, and expedite cultivation of the special nursery-grown plants. The obtained ulmus pumila could achieve landscaping nursery-grown plant standards, the shape of the ulmus pumila could embody dynamic aesthetic feelings of gardening shaping, and enrich landscape architectures.

The invention relates to the technical field of city traffic safety facilities, in particular to a multi-color rhythm type city tunnel entrance guiding system. The multi-color rhythm type city tunnel entrance guiding system comprises road surface guiding information arranged on the road surface of a tunnel, and side wall continuous guiding information arranged on side walls of the tunnel, wherein the road surface guiding information comprises through lane guiding information, merging lane guiding information and ramp guiding information; and the side wall continuous guiding information comprises a tunnel entrance road segment information system and a tunnel normal road segment information system. By arranging the road surface guiding information and the side wall continuous guiding information, the design scheme of guiding information is more continuous, and drivers can judge the main line and ramp merging position ahead in time in the city tunnel.

The invention discloses a culture medium. The culture medium is characterized by being prepared from the following components in parts by weight: 1 part of a desalted filling sea mud mixed medium, 0.5-1.0 part of calcium superphosphate, 0.8-1.5 parts of an organic fertilizer and 1.2-2.0 parts of sludge, wherein the organic fertilizer is at least one of cow dung, chicken manure and pig manure. Compared with the desalted filling sea mud mixed medium, the physical and chemical properties of the culture medium are greatly improved; the pH is lowered; microaggregates are increased; the fertility is improved; and the culture medium can be applied to greening of relatively multiple plant species in relatively large area. The sludge is developed and utilized as a main fertilizer, so that a new path is explored for disposal and utilization of the sludge.

The present invention provides a fast cultivation method of large root-appreciative sight tree in garden with the root system substituting the trunk; the new root system of the seedling tree is scattered and pruned; the left roots are cut clinging to the floor and the seedling is lifted and soaked in radication liquid; the process flow mentioned above is repeated only with the cylinder height being increased by two times and the frame and root lifting height being correspondingly increased by two times; the root lifting process is repeated for a plurality of times and the tress is combed and the tree crown is cultivated; with the process of coiling weaving, pruning, approaching grafting, climbing and trimming for garden miniascape, the root system is made into a trunk which is like a cageand implemented with the soil planting through hole transplanting. The large root-appreciative garden sight tree cultivated with the present invention is characterized by a short production cycle andfast forming; the sight tree is fit for mass production and can be implemented with original sculpt according to design requirements; the plasticity is high; the shapes are various and elegant with great appreciative value. The tree is young and easy to be transplanted with a high survival rate; in addition, the tree can restore the original form fast after being cut.

The invention provides a split-type multifunctional fish pond, which relates to the field of fish ponds. The split-type multifunctional aquarium includes a fish pond box, which is equipped with a fish pond partition inside the fish pond box, and the fish pond partition is fixedly connected with the fish pond box. There is a slag discharge structure. There is a planting box inside the fish pond box. There is a cultivation plate inside the planting box. One side of the cultivation plate is provided with a connecting rod, and one side of the connecting rod is provided with multiple sets of adjustment structures. The split-type multifunctional aquarium can move the hand-touching block by hand to change the height of the cultivation plate located inside the planting box relative to the vertical direction of the planting box. At different heights of the planting box, it is more necessary to adjust the height of the cultivation plate, so that when plants are planted, hydrophilic plants and hydrophobic plants can be selected, so that the landscape on the fish pond is more diverse, and Easier to live.

The invention discloses a frame fixing base machining device. The frame fixing base machining device comprises a second working platform, a second winding drum mechanism used for winding a second ironplate, a second extrusion forming mechanism used for extruding two parallel straight plates on the second iron plate, and a third cutting mechanism used for cutting the second iron plate and the twostraight plates, wherein the second winding drum mechanism, the second extrusion forming mechanism and the third cutting mechanism are sequentially arranged on the second working platform; and the frame fixing base machining device further comprises a second conveying mechanism arranged on the second working platform and used for conveying the second iron plate. According to the frame fixing basemachining device, automatic machining of a frame fixing base is achieved, the production efficiency is high, the device can be suitable for batch production, and manpower is saved. The invention further discloses a fence machining production line. The production efficiency of a fence is greatly improved, the fence machining production line is suitable for batch production, the manpower is saved, and the production cost is saved.

The invention relates to the technical field of fountains and in particular relates to a round-swing fountain device. The round-swing fountain device comprises a guide frame, a plurality of nozzle assemblies, a poking part in driving connection with the nozzle assemblies, a swing ring in driving connection with the poking part, and a swing driving mechanism for driving the swing ring to swing, wherein the guide frame is provided with a guide channel for medium circulation, and the nozzles of the nozzle assemblies are communicated with the guide channel. Under the action of an external water pump, fluid mediums enter the nozzles through the guide channel of the guide frame and are sprayed through the nozzles. The swing driving mechanism drives the swing ring to swing, and the swing ring drives the nozzle assemblies to swing through the poking part, so that the nozzles swing towards the inside and outside of the swing ring and mediums sprayed from the nozzles are thrown towards the inside and outside of the swing ring. The round-swing fountain device has a simple structure, has reduced manufacturing cost, can be installed and maintained conveniently, is small and exquisite, and is particularly suitable for sand table showing; and mediums sprayed from the nozzles are thrown towards the inside and outside of the swing ring, so that the water landscape is colorful and the viewing effect is good.

The invention relates to an assembled twelve-way pedestrian overpass and an assembling method. The assembled twelve-way pedestrian overpass comprises a square ring bridge deck slab. The four corners of the square ring bridge deck slab are each provided with a bevel edge. Each bevel edge is connected with a lap joint bridge deck. Each lap joint bridge deck is arranged at the bottom of a door of a building in a lap joint mode. The end of each lap joint bridge deck is connected with a transverse hollow round bar. Each transverse hollow round bar is provided with a set of rotating openings and connected with a rotating rod. Each rotating rod is connected with a set of rotating plates which penetrate through the corresponding rotating openings. The rotating plates are connected with suspension bridges. The assembling method is used for the twelve-way pedestrian overpass.

The invention discloses a pruning method for a dancer-shaped pyracantha fortuneana tree form. The pruning method for the dancer-shaped pyracantha fortuneana tree form comprises the following steps of S1, planting biennial pyracantha fortuneana seedlings according to the planting spacing of 1m * 1.5 m, and meanwhile, performing pruning in a cultivation period to obtain dancer-shaped pyracantha fortuneana tree forms; and S2, pruning the dancer-shaped pyracantha fortuneana trees in urban landscaping application. According to the pruning method for the dancer-shaped pyracantha fortuneana tree form provided by the invention, the novel pruning method is adopted, the method is simple and convenient and easy to operate, a structure similar to a dancer shape is cultivated from the perspective of the enthusiasm atmosphere and pruning resistance of pyracantha fortuneana autumn fruits, and the tree form is simple in structure, enthusiastic, extremely dynamic, balanced and attractive, so that the ornamental value of pyracantha fortuneana is greatly improved, and the urban garden landscape is enriched.

The invention relates to the technical field of city traffic safety facilities, in particular to a multi-color rhythm type city tunnel entrance guiding system. The multi-color rhythm type city tunnel entrance guiding system comprises road surface guiding information arranged on the road surface of a tunnel, and side wall continuous guiding information arranged on side walls of the tunnel, wherein the road surface guiding information comprises through lane guiding information, merging lane guiding information and ramp guiding information; and the side wall continuous guiding information comprises a tunnel entrance road segment information system and a tunnel normal road segment information system. By arranging the road surface guiding information and the side wall continuous guiding information, the design scheme of guiding information is more continuous, and drivers can judge the main line and ramp merging position ahead in time in the city tunnel.

The invention discloses a connecting cabin structure of underground comprehensive bodies. The connecting cabin structure mainly comprises a pipeline connecting cabin, a small automobile emergency cabin, load-bearing short columns, bottom plates, load-bearing columns, an emergency escape cabin, pipeline channels, small automobile channels, a connecting cabin entrance and maintenance channels. The three layers of bottom plates are connected with the load-bearing columns of the connecting cabin. The three layers of bottom plates and the load-bearing columns divide the connecting cabins into multiple chambers with different functions, and the chambers with the different functions on the upper layer and the lower layer communicate through the maintenance channels. The pipeline connecting cabincommunicates with the emergency escape cabin through the corresponding maintenance channel, and the emergency escape cabin communicates with the connecting cabin entrance. By means of the connecting cabin structure, various kinds of municipal pipeline planning, building and management can be planned as a whole; the problems of road surface repeated excavation, pipeline connection, accident emergency escape and the like are solved; urban safety can be guaranteed easily, the urban functions can be perfected, the urban landscape can be beautified, and urban intensive and high efficiency and transformation development can be promoted; and the development of the urban underground comprehensive bodies can be promoted easily.

The invention discloses a landscape type combined domestic sewage purification system, which is formed by a water inlet, a sewage disposal port, a water outlet, an oil stain baffle, a settling pond front wall, a settling pond bottom, a settling pond rear wall, a sediment collecting area, a water inlet end baffle of an artificial filter bed, a water outlet end baffle of the bed, a water distribution system, a collection system, the gradient of the artificial filter bed 0.5 percent, the artificial filter bed, an inclined pond bottom of a reed planting area, an inclined pond bottom of a water lily lotus planting area, a horizontal pond bottom of a submerged plant planting area, the reed planting area, the water lily lotus planting area and a pond planting submerged plant planting area. The purification system plays a certain role of protecting surrounding surface water; and since the purification of sewage can be realized by using a town landscape system, the invention also solves the problem of tense land occupied by domestic sewage. Since the purification of the sewage can be realized by adopting a natural process in large amount, the system has low operation cost and simple maintenance. The invention has the advantages of scientific and reasonable design, integration of afforestation and sewage disposal and guarantee of green land multifunction, green land water purification, green land sewage disposal and green land landscape.

The outdoor temperature control type flowing landscape lamp comprises two side plates which are arranged in parallel, a soft light layer is fixedly installed above the two side plates, rotating grooves are formed in the opposite sides of the two side plates, and a connecting base is movably installed in each rotating groove; and compression springs are fixedly installed between the upper side and the lower side of each connecting base and the corresponding rotating grooves, a heat conduction barrel is jointly supported between the two connecting bases, the heat conduction barrel is sleeved with a sliding sleeve, the sliding sleeve is in axial sliding connection with the heat conduction barrel, and a lighting mechanism is installed on the sliding sleeve. Patterns projected on the ground can be changed by changing the angle between the lamp body and the light-transmitting plate, the ornamental value is improved, meanwhile, when much heat is accumulated near the lamp body, the position of the lamp body is actively changed, redundant heat is absorbed, and the temperature around the lamp body is rapidly reduced.

The invention belongs to the field of plant tissue culture, and discloses a high-efficiency and rapid propagation method of Coleus coleus, which comprises the following steps: taking the sword-shaped buds newly extracted from the base of a strong mother plant as explants in March to April, and separately Carry out ① the explants are sterilized with 0.1% mercury chloride for 6-8 minutes, ② insert the sterilized explants into the induction and differentiation medium added with 6-BA, CPPU, NAA and cultivate them, ③ put the callus mass or The sword-shaped adventitious bud clusters were inserted into the proliferation medium supplemented with 6-BA, CPPU and NAA, ④The shoot-shaped shoots with a plant height of 30-40 mm and ￠≥5 mm were cut from the proliferating bud clusters or bud clusters, and inoculated in In the rooting medium added with NAA, when the shoot-shaped buds have 2 to 3 leaves, and the mesophyll of some leaves becomes red spots, the seedlings can be hardened and transplanted. The invention provides a high-efficiency and rapid propagation method of S. coleus, which solves the problems of low bud formation rate, low reproduction coefficient, weak or deformed proliferating buds and rooted seedlings, and easy breeding in the rapid propagation process. Bacteria and other bottlenecks restricting the industrialization of the rapid propagation of S. coleus can obtain a large number of high-quality S. The cost of industrialized seedling cultivation of rib grass realizes the industrialization of high-efficiency and rapid propagation of rib grass.

The invention relates to municipal infrastructure supplies, in particular to a landscape paving stone which is widely used for paving sidewalks and various plazas. The landscape paving stone comprises a facing stone cast on a bed stone which is filled with fibrous materials. The invention greatly improves the flexural strength of the landscape paving stone, prolongs the service life of the landscape paving stone, effectively prevents damages to the city appearance environment due to the damage to the landscape paving stone, and simultaneously promotes the good image of the city municipal construction in China, enriches the urban landscape and improves investment environments so as to obtain good social benefit.

The invention provides a hydraulic filling sea mud culture substrate, which relates to a culture substrate. The hydraulic filling sea mud culture substrate comprises the following components in parts by weight: 1 part of desalinated hydraulic filling sea mud compound substrate, 0.02-0.04 part of superphosphate, 0.044-0.091 part of organic fertilizer and 0.159-0.2 part of sludge, wherein the desalinated hydraulic filling sea mud compound substrate is an improved substrate which is formed by adding carbide slag and coarse texture materials into hydraulic filling sea mud to perform desalinating,and the volume parts ratio of the hydraulic filling sea mud, the carbide slag and the coarse texture materials is 0.5-0.65:0.01-0.5:0.25-0.5. Compared with the desalinated hydraulic filling sea mud compound substrate, the hydraulic filling sea mud culture substrate has the advantages of greatly improved physicochemical property, lowered pH value, addition of microaggregate and enhanced fertility,and can be applied to afforestation of more floristics and larger areas. By developing and taking the sludge as the main fertilizer, the invention opens up a new way to handle and utilize the sludge.

The invention belongs to the technical field of environmental protection, in particular to a water treatment technology of inclined plane undercurrent artificial wetland which is composed of water inlet pipe, a vent pipe, a water collecting pipe, an impermeable membrane, a substrate layer and plants; the wetland cross section is a quadrangle which is divided into a nitrification region and a denitrification region; the water to be treated is correspondingly divided into two spouts to enter into the two regions. The flooding water in the nitrification region enters into the denitrification region after nitrification is finished, is mixed with the flooding water in the denitrification region, and utilizes middle carbon source for denitrification, thus realzing the removal of NH4+ / -N and TN.The water treatment technology of the invention is characterized in that nitrification and denitrification reaction are carried out in the same wetland; the nitrogen degassing rate of the single-stage wetland is improved by over 50%; water flows depends on gravity in the purification process; power and operational maintenance are not needed in the treatment process; and the surface of the wetlandcan be designed into different slopes according to construction of the river channel side slope and mountain land slope and different landscape requirements, thus enriching the landscape of the wetland.

The invention discloses a garden landscape design method and landscape configuration structure of a karst depression. The method is characterized in that according to the original terrain of the karstdepression, on the basis that the basic shape is a round shape, a plurality of functional regions are arranged along a contour line; the plurality of functional regions are mutually connected throughannular roads; and in the functional regions, the original terrain and vegetation are utilized, and landscapes are created by building landscape sketch buildings and matching with artificially planted flowers and plants, so that the unification of the ecological property and landscape property of the karst depression is realized. The functions of soil fixation and water holding are realized; meanwhile, the unification, the ornamental value and the sightseeing property are realized; the problem of water and soil loss of the karst depression is solved; meanwhile, rich landscape resources of thekarst depression are explored; the unification of the ecological property and landscape property is realized; and the regional economic benefits are improved.

The invention discloses a wall-mounted plant packed bed. The wall-mounted plant packed bed is composed of a packed bed, a vegetation layer, a packing layer and a water distribution pipe, wherein the packed bed is composed of a base, baffles, partition plates and supporting frames, the base is fixed to a river levee through the supporting frames, the baffles and the partition plates are arranged onthe base, the baffles are arranged along the river levee and are parallel to the river levee, and the partition plates are perpendicular to the river levee; the baffles, the partition plates, the base and the river levee together surround the packed bed; the packing layer is arranged in the packed bed, and ceramsite and volcanic rock are sequentially laid in the packing layer from bottom to top;the water distribution pipe is buried in the packing layer along the base and is parallel to the river levee; the vegetation layer is planted on the packing layer and consists of aquatic plants; a plurality of drain holes are formed in the baffles; water outlets are formed in two sides of the pipe wall of the water distribution pipe. The wall-mounted plant packed bed is simple and convenient to mount, realizes efficient removal of organic matters and nutrients in river water, improves river water quality and ecological environment, and has certain landscape value.

The invention relates to a green plant growth permeable pitch concrete and its preparing method, relating to a technical method for preparing environmental protection green road surface layers of city parks and life estates. Its composition: the mass ratio of water to nutrient solution to seeds of tall fescue / bermudagrass to rectangular stone powder to carboxymethyl cellulose sodium is (70-86) : (4-8) : (1-5) : (6-12) : (3-5); filling the mixed planting substrate into the pores inside the porous pitch concrete with porocity of 20%-26% to form the plant growth permeable pitch concrete. Its preparing method: firstly preparing a mixed solution of nutrient solution and water in a specified proportion; successively preparing the planting substrate, i.e. uniformly blending the rectangular stone powder, nutrient earth and seeds of tall fescue, pouring the prepared planting substrate into the mixed solution in batches, adding in carboxymethyl cellulose sodium thickening agent and blending uniformly, and finally making the uniform planting substrate permeate into or injected into the surface layer of the porous pitch concrete.

The invention relates to an assembled twelve-way pedestrian overpass and an assembling method. The assembled twelve-way pedestrian overpass comprises a square ring bridge deck slab. The four corners of the square ring bridge deck slab are each provided with a bevel edge. Each bevel edge is connected with a lap joint bridge deck. Each lap joint bridge deck is arranged at the bottom of a door of a building in a lap joint mode. The end of each lap joint bridge deck is connected with a transverse hollow round bar. Each transverse hollow round bar is provided with a set of rotating openings and connected with a rotating rod. Each rotating rod is connected with a set of rotating plates which penetrate through the corresponding rotating openings. The rotating plates are connected with suspension bridges. The assembling method is used for the twelve-way pedestrian overpass.