134 results about "Land acquisition" patented technology

The invention relates to an improvement on an oxidation ditch guide flow device, which is characterized in that: the upper end of a flow deflector is movably arranged on the pond wall of an oxidation ditch, while the lower end can be adjusted according to swing angles of the upper end; and the flow deflector also can move forward and backward. Firstly, an adjustable flow deflector can play a roleof the flow deflector to the maximum extent and avoid the defects caused by fixing and non-adjustment of the flow deflector; moreover, when the flow deflector is not needed, the flow deflector can belifted, so that the flow deflector does not become a burden because of the setting; secondly, the depth and the width of the oxidation ditch can be increased, so that the floor area of the oxidation ditch is reduced, and the land acquisition cost and the floor area are saved; thirdly, by matching of the flow deflector, the number of started aeration equipment can be reduced as required, and the operating energy consumption is lowered; and finally, the oxidation ditch is always ensured to operate in the best working state, and by the setting of meters such as an on-line current meter, a dissolved oxygen meter and the like and the automatic control of a computer, the oxidation ditch can fully automatically operate in the best working state.

The invention discloses a full tailing filling method in large goafs, which is realized by the technical scheme with the following steps: dividing the combination of relatively independent and adjacent single or a plurality of goafs (6) into a filling unit; building a sealed wall (8) on a tunnel (7) at the periphery of the goafs (6) of the filling unit, arranging a drain pipe (9) in the wall body of the sealed wall (8), and arranging an ore pulp valve (10) on the drain pipe (9); laying a tailing conveying main pipe (3) above the filling unit through an adit (2) above the goafs (6); connecting each upper opening of the filling unit to one or a plurality of hydraulic sand filling pipes (4) through the tailing conveying main pipe (3); and discharging sand at high levels, discharging water in different middle sections, and filling alternately. In the invention, full tailings are used for filling the existing goafs, thereby eliminating the potential safety hazards of the goafs, ensuring the normal production of large deep well mines, saving the treatment cost, the tailing stockpiling and land acquisition cost and the drainage cost of the goafs, realizing the purpose of less-waste and no-waste exploitation, and taking an demonstration effect on constructing ecological mines.

The invention discloses a desilting canal, and belongs to the technical field of sediment treatment in hydraulic engineering. The desilting canal comprises a water inlet canal, a bend, a sediment transport corridor, a rotational flow desilting basin and a water outlet canal, wherein the upstream part of the bend is connected with the water inlet canal; the downstream part of the bend is connected with the water outlet canal; a central angle of the bend is 270 degrees; the water outlet canal passes through the lower side of the water inlet canal; a circular-arc-shaped overflow baffle is arranged in the bend; the bottom position of an inner side wall of the bend is provided with a narrow slit; the sediment transport corridor is positioned below the bend, and is communicated with the bend through the narrow slit; the tail end of the sediment transport corridor is connected with the rotational flow desilting basin. The desilting canal occupies a small area, can be arranged close to a canal head, and can be used for effectively remove coarse silt, so that the problems of difficulty in land acquisition for building the desilting basin at a position far away from the canal head in an irrigated area, easiness of siltation in long-distance transport of coarse silt, and the like are solved.

The invention relates to a truss, in particular to a truss for lifting a power transmission line tower connecting leg and an erection method, and belongs to the field of electric power system devices. The truss comprises an installation base table, and is characterized by further comprising four supporting transverse materials, the four supporting transverse materials are connected into a square structure in a head-to-tail manner, a supporting base is installed at the intersection point of each two adjacent supporting transverse materials, main material angle steel is installed at the lower end of each supporting base, and a fixing base is installed at the lower end of the main material angle steel and installed on the installation base table. The problem of distance limitation in operation of an original power transmission line in-channel tower is solved, safety operation of a line is ensured, the pile position of the original power transmission line tower is lifted and heightened, land acquisition, path change, additional cost adding and production of a new power transmission line tower are omitted, the truss is convenient, time-saving and labor-saving in erection and can realize safety operation, the erection method is simply and reliably implemented, and the truss is low in erection difficulty, fine in flexibility and high in practicability.

The invention discloses an overhead method for an existing railway in the area with soft foundation and high water level. A temporary bridge abutment is constructed by adopting columnar piers, rectangular bridge abutments and a bored pile foundation; and the existing railway is built in the air by adopting temporary beams before the construction of the temporary bridge abutment, sheet piles are manually dug by using retaining walls, and the sheet piles bear the pressure of soil on two sides so as to provide enough operation space for the construction of the temporary bridge abutment. Because of the adoption of overhead lines of the temporary bridge in the area with high water level, soft foundation and the like, the land acquisition removal is reduced, a little land is occupied, the project can be successfully implemented, and simultaneously, the safe operation of the existing railway can be effectively ensured. The construction method of the invention is suitable for the underpass existing railway of a new road, and has advantage in the existing railway of multi-railway operation in a railway station and the like.

The invention discloses a calculator for measuring and calculating operating land acquisition cost and a control method thereof, belonging to the 3S technical field. The calculator comprises a PDA (Personal Digital Assistant), a wireless communication module, a transmitting module, a calculating module and a receiving module. The PDA is used for carrying out reconnaissance rout tracking to obtain a land acquisition range, and the land acquisition range is transmitted to the calculating module through the wireless communication module and the transmitting module; the calculating module receives the land acquisition range and performs calculation to generate a detailed statement of total land acquisition expense and each operating land acquisition charge, the PDA receives the detailed statement of total land acquisition expense and each operating land acquisition charge, which is sent by the calculating module, through the wireless communication module and the receiving module and displays the detailed statement of total land acquisition expense and each operating land acquisition charge on a display screen. The calculator and the control method thereof can be used for quickly and automatically calculating land acquisition cost in real time on a reconnaissance site, thereby avoiding lots of office computation; and the working intensity of on-site reconnaissance is obviously reduced and the accuracy of calculated results is improved.

The present invention provides a real estate tax management device and system. The device comprises a receiving terminal configured to receive taxation information sent from the outside; and a management terminal configured to perform land acquisition link tax source management, real estate development link tax source management, real estate sale link tax source management and real estate possession link tax source management according to the taxation information. The real estate tax management device and system are able to improve the management efficiency.

The invention relates to an underwater slope backing method of bulky sand filled geotechnical pillow bags. The method comprises the following operation steps of: 1, measurement of an underwater bank slope; 2, soil characteristic investigation of the underwater bank slope; 3, technical parameter determination and preparation of the geotechnical pillow bags; and 4, sand filling and sinking of the bulky sand filled geotechnical pillow bags. By the method, slope cutting is avoided, the bank shoal of certain width is reserved, and stability and safety of a river dike can be effectively improved; land acquisition is reduced, and the project investment can be greatly reduced; and the bulky sand filled geotechnical pillow bags have good extension and deformation capacities in the longitudinal and transverse directions, are combined tightly with the underwater irregular bank slope after being laid in place, have large volume, heavy dead weight, good stability and good slope backing treatment effect, and create conditions for wide application of a new composite geotextile software row bank protection technology in river bank collapse treatment projects.

The invention discloses a traction system and method for lifting a power transmission line tower. The system and method are suitable for various construction terrains and conditions. The traction system comprises a servo winch, a traction inhaul cable, a tension sensor, a tower material connecting member and the like. In the lifting process of the power transmission line tower, the tower can be stably protected, the situation that the tower tilts excessively due to severe weather such as strong wind and other human factors is prevented, and the safety in the tower lifting process is guaranteed. In-situ lifting transformation is achieved, the range of a line protection area does not need to be changed, complex procedures such as land acquisition and removal, foundation rebuilding and towererecting and stringing construction are avoided, a new tower position is not needed, and the influence on the environment is small. The method effectively solves the problem of safety guarantee in thetower lifting process, solves the problems of low efficiency and low reliability of an existing manual operation mode and method, and has the advantages of being high in controllability, stable and convenient to operate.

The invention relates to an earth borrowing method in the process of highway construction. The earth borrowing method in the process of highway construction is used for solving the problems that due to the fact that the amount of earth needed by construction is large, in the process of land acquisition and earth utilization, earth utilization is difficult, land wastage is caused, the environment is damaged, and tall hillocks, slope wasteland and dunes are low-yield land. The earth borrowing method in the process of highway construction comprises the steps that (1) the site of a borrow area is selected; (2) topsoil stripping is carried out on the borrow area and a designed highway; (3) backfill is carried out on the borrow area after topsoil is stripped, and the designed highway after topsoil is stripped; (4) direct seeding planting is carried out on the borrow area after backfill is carried out. The earth borrowing method in the process of highway construction is applied to the field of earth borrowing methods in the process of highway construction.

The invention discloses a generation method a three-dimensional land utilization present situation data model. According to the invention, the data model takes land type pattern spots as organization units; a surface model is used for simulating a three-dimensional terrain surface; by using DEM data and two-dimensional land utilization present situation data and taking the land type pattern spots as units, simple DEM data points in the land type pattern spots are extracted; feature points of boundary features of the land type pattern spots are extracted, kept and allowed to be three-dimensional via the DEM data interpolation algorithm; and at last, a three-dimensional surface model is constructed under restraints of the two-dimensional boundaries of the land type pattern spots and two-dimensional land utilization present situation land type pattern spot data is transverse, thereby finishing construction of the whole three-dimensional land utilization present situation model. According to the invention, three-dimensional land utilization present situation data can be quickly generated and the generation method provides strong data supports for compensation of land acquisition and targeted planning.

The invention discloses a method for increasing a single lane by utilizing a roadbed. The method for increasing the single lane by utilizing the roadbed comprises the steps that (a) the position of a roadbed ramp is worked out according to the length of the lane added on an original road and through the method of the right triangle in mathematics, a spread foundation is constructed at the position, the foundation is made of concrete, the width of the foundation is 1-2m, and the thickness of the foundation is 0.5-1m; (b) a wall body is constructed on the spread foundation, the wall body is made of concrete, the width of the wall body is 30-80cm, drain holes are formed in the wall body, and the drain holes are formed with the interval of 20-50m; (c) a covering plate is arranged between the original road and the wall body and is made of reinforced concrete, and the thickness of the covering plate is 30-80cm; (d) road surface processing is carried out on the covering plate and the construction process is finished. By means of the method for increasing the single lane by utilizing the roadbed, the space in the range of an original bank slope is fully utilized, additional land acquisition is not needed in the process of widening, working procedures are simplified, construction period is shortened, and construction cost is lowered.

The invention discloses a mountainous area high-speed foam light soil roadbed structure and belongs to the technical field of roadbed slope construction. The roadbed structure comprises a step, wherein a retaining wall extending downwards is arranged at an end of a lowest stage of the step, a concrete base is arranged on the retaining wall, a prefabricated panel is arranged on the concrete base, foam light soil is poured between the prefabricated panel and the step, the prefabricated panel comprises a plurality of concrete panels, a plurality of concrete panels are piled up to form a wall surface, embedded rings are arranged on every two adjacent concrete panels respectively, ends, away from the concrete panels, of every two adjacent embedded rings are connected through a connecting steelbar, one end of a pull rod is fixedly connected with one connecting steel bar, and the other end of the pull rod is fixedly connected with the other adjacent connecting steel bar. The roadbed structure is advantaged in that an angle steel stand column penetrates through the concrete base and the retaining wall and is vertically arranged on a slope roadbed, an inner wall of the bent position of thepull rod is fixedly connected with the angle steel stand column, land occupation due to road sloping can be reduced, a demolition project is effectively reduced, and land acquisition and demolition cost is reduced.

The invention relates to the field of bridges, and particularly relates to a novel gallery bridge. The novel gallery bridge comprises a bridge body and buildings located on the bridge body, wherein the bridge body comprises at least two layers of bridge surfaces, at least one upper layer of bridge surface is provided with a two-way roadway, and at least one lower layer of bridge surface is provided with parking garages and emergency lanes. According to the novel gallery bridge, the upper layer of bridge surface is provided with the two-way roadway which enables vehicles to cross the bridge, besides, the lower layer of bridge surface is provided with the parking garages and the emergency lanes, when tourists take sightseeing trips by car, the tourists can park the cars at the parking garages below, and convenience is brought to car parking for the tourists. The novel gallery bridge not only has the function of sightseeing tours, but also has the functions of parking and emergency passing, and is multifunctional. The novel gallery bridge does not use local government land acquisition and construction land indexes, can help the government to perfect city traffic bridges due to appropriate comprehensive utilization, does not need government investment, saves construction land, and achieves the multi-win purpose, namely the government, the society and enterprises achieve the multi-win purpose.

The invention relates to a municipal road land acquisition house statistical method which comprises the following steps: S1, selecting and determining a land acquisition demolition area according to an actually measured topographic map provided by a survey bureau; S2, cleaning the topographic map, removing unassociated layers, and reserving house layers and annotations thereof; S3, performing format conversion on the cleaned topographic map, and importing the topographic map into GIS software; s4, in GIS software, detecting the house contour line, removing isolated line segments, and then performing topology analysis to form a zone file; according to the previously imported house annotation, performing attribute assignment on the area file, and establishing an attribute structure for judging whether the house is expropriated or not in the area file; and S5, importing the land expropriation and demolition area and the area file into a spatial analysis module together, performing intersection analysis to form an intersection file, and superposing the original house area file according to the attributes of the intersection file to obtain a result drawing of the house in the land expropriation and demolition area. And land acquisition and house demolition statistics becomes faster.

The invention belongs to the technical field of hydraulic engineering construction and relates to a process method for borrowing earth used for embankment reinforcement. The method solves the problems of large earth volume required in an embankment reinforcement project, large operational pressure in land acquisition in the early period of the project, poor construction conditions and large project investment. The construction method is as follows: borrowing earth from dyke protection areas to earth up an embankment, and then getting earth beside river banks in wider floodplain areas with hydraulic power to fill borrow pits in the dyke protection areas to realize replacement earth borrowing for embankment reinforcement. The construction according to the method can save areas of permanently acquired land and acquired reclaimable land and consequently saves project investment. At present, upper reaches of rivers and river branches are blocked seriously. The replacement earth borrowing technique of the invention, together with river improvement, contributes to flood discharge and shipping condition enhancement by removing the earth volume in the floodplain areas.

The invention discloses a large-size twisted ramp logistics transportation system and a transportation method. An inclined straight line transportation line is adopted for avoiding the great increase of construction cost caused by extension line construction of roads or tunnels, avoiding large-area land acquisition and large-area breakage of initial form and topographic feature, and shortening the construction period and construction cost; the logistics transportation system has a short construction and assembly period, thereby saving the construction period; besides, the logistics transportation system is safer and more reliable to operate; the adaptation range of the gradient is 0-90 degrees on theory, and the deadweight is as high as 65 t, which can entirely satisfies the logistics transportation demand on the common condition, so that the large-size twisted ramp logistics transportation system disclosed by the invention has a wide application range and an extensive generalization value.

The invention discloses a temporary bridge device used for a temporarily-erected simple bridge. The temporary bridge device comprises multiple Bailey beams (8) perpendicular to a carriageway and longitudinally arranged at intervals, wherein pavement distribution beams (9) made from I-steel are laid on the Bailey beams (8), bamboo plywoods (10) are laid on the pavement distribution beams (9), and concrete bridge deck slabs (11) are cast on the bamboo plywoods (10) on site to form a pavement. U-shaped bolts (16) connected with the Bailey beams (8) are embedded into the concrete bridge deck slabs (11). End bridge piles are arranged at two ends of each of the Bailey beams (8), middle bridge piles are arranged in the middles, and the end bridge piles and the middle bridge piles support the Bailey beams (8). The whole carriageway is arranged above a riverway, an arrangement form in the bridge direction is reasonable compared with traditional girders, the space above the riverway is fully utilized, a large amount of land acquisition is avoided, and greened both sides are effectively protected. In addition, the number of pile foundations in a river is deceased by arranging a transverse riverway, the construction difficulty is reduced, and meanwhile the water blocking area can be effectively decreased.

The invention relates to a garbage compressor, which comprises a compression mechanism and a feeding mechanism, wherein the compression mechanism comprises a box body, the bottom of the box body is provided with a material inlet, the feeding mechanism comprises a bottom scraper which is arranged at the bottom of the box body, and the bottom scraper is corresponding to the material inlet, and the size of the material inlet is consistent with the bottom scraper, one end of the bottom scraper is hinged with the bottom of the box body, when the garbage is unloaded into the bottom of the box body, the bottom scraper rotates around the hinging part with the box body, the other end of the bottom scraper scraps garbage and scrapes the garbage into the box body from the material inlet, and simultaneously, the material inlet is sealed by the bottom scraper. The garbage compressor adopts the bottom scraper arranged at the bottom of the box body for feeding from the bottom of the box body, and the whole body has the characteristics that the structure is compact, the feeding is convenient, no odor exists, the secondary fly dust and the secondary pollution are avoided, the occupied area is small, the civil engineering cost is low, the flexibility is realized, and the like. The garbage compressor is particularly applicable to old station modification and new transfer station construction under the conditions of difficult urban area land acquisition and small sites.

The invention discloses a large-capacity wind field box transformer structure. The large-capacity wind field box transformer structure includes a box transformer shell, a transformer, a gas filling switch assembly, a high voltage cable, a transformer outlet bushing and a current transformer, wherein the gas filling switch assembly, the high voltage cable, the transformer outlet bushing and the current transformer are disposed in the box transformer shell, the transformer is located outside the box transformer shell, and the current transformer, the gas filling switch assembly and the high voltage cable are electrically connected in sequence. The large-capacity wind field box transformer structure is advantaged in that a charging switch assembly including a vacuum circuit breaker and a three-station isolated grounding switch is utilized, the space can be saved, the floor space is reduced by 25-30% compared with a split vacuum circuit breaker+an upper isolation switch+a lower grounding switch, the land acquisition and civil construction area is saved, and transport and hoisting are facilitated; an inflatable switch assembly adopts SF6 insulation, high reliability and low operating cost of inflatable products are integrated; through integrated mechanical interlock design between the vacuum circuit breaker and the isolated grounding three-station switch, misuse can be effectively prevented.

The invention belongs to the technical field of municipal engineering, and provides a bridge and tunnel co-construction structure and a construction method thereof. The bridge and tunnel co-construction structure comprises a bridge girder, bridge piers, a frame type tunnel structure, bridge pile foundations and deformation coordination piles. The tunnel structure is located under the bridge girder, and the center lines of the tunnel structure and the bridge girder on the plane are aligned. The bridge pile foundations serve as the anti-floating piles of the tunnel structure, the closed frame type tunnel structure also increases the transverse rigidity of the bridge pier, and land is saved in space through a mode of an upper bridge and a lower tunnel, so the problem that land acquisition andremoval in cities are difficult is solved; and stress components of the bridge pile foundations and the tunnel structure are fully utilized in a structural system, so the total engineering investmentis reduced from multiple angles. Meanwhile, the construction method of the bridge and tunnel co-construction structure has less influence on the flood discharge function of riverway, and is high in feasibility and low in construction cost.

The invention discloses a construction method and structure of a balance weight retaining wall. The construction method of the balance weight retaining wall comprises the following construction stepsthat measuring and positioning are carried out; a foundation pit is excavated; a foundation bearing capacity test is carried out; a foundation is constructed; a lower wall is constructed; an upper wall is constructed; balance weight platform formwork is erected; balance weight platform concrete is poured; a roadbed is backfilled; and mortar flag stone is adopted to construct the lower wall, required pre-buried connecting rebars are arranged when the lower wall is constructed, and the sides, close to the balance weight platform, of the rebars extend into the balance weight platform. According to the construction method and the structure of the balance weight retaining wall, the reliability of the connection of the balance weight platform and the retaining wall is greatly improved, and quality accidents such as overall overturn of the retaining wall are avoided; the construction difficulty is reduced, the flatness degree of the appearance of the retaining wall is ensured, and the aesthetic degree is improved; meanwhile, the discard amount is reduced, no additional land acquisition is needed for constructing a waste slag field, and the construction cost is reduced; environment-friendly highway construction is facilitated, and high economic and social benefits are achieved; and the structure is simple, the construction is convenient, safety and reliability are realized, economic and environmental benefits are remarkable, and the construction method and the structure of the balance weight retaining wall can be widely popularized and applied in the technical field of retaining walls.