24 results about "Land acquisition" patented technology

The invention discloses an engineering immigrant land investigation method, system and device, and relates to the technical field of land investigation, and the method comprises the steps: obtaining a land orthoimage and land three-dimensional point cloud data obtained by photographing a land in a land acquisition range through an unmanned aerial vehicle, and taking the land orthoimage and the land three-dimensional point cloud data as input, identifying land types of the land in the land acquisition range by using the trained land type identification model, generating a GIS file, obtaining a land position input instruction, identifying the land of the ownership in the GIS file based on the land position input instruction, obtaining an identified GIS file, and storing the identified GIS file in a database; based on the identified GIS file, a land survey table of the land of the ownership is generated, and the ownership carries out electronic signature in the land survey table. According to the method, the engineering immigrant land investigation work can be efficiently and accurately carried out.

This invention belongs to the field of demolition cost assessment technology, specifically disclosing a method for assessing railway route selection and land acquisition costs based on a big data model. The method includes the following steps: constructing a graphical database and a core land acquisition database; acquiring policy-related land acquisition documents and dynamic data for the target area; creating an external database; identifying key factors affecting land acquisition costs; constructing a big data prediction model for land acquisition costs; training the model; and integrating it into a railway route selection design system. When inputting or modifying route plans in the route selection design system, the system calls the big data prediction model for land acquisition costs in real time. Based on the geometric parameters and spatial location of the route, it dynamically calculates and feeds back the corresponding land acquisition cost prediction results, adjusting the route plan until cost control requirements are met. This technical solution achieves dynamic and accurate assessment of land acquisition costs through the deep integration of multi-source heterogeneous databases and a big data prediction model.

This invention relates to the field of land acquisition and physical indicator surveys for water conservancy and hydropower engineering construction, specifically to a method and system for rapidly generating inundation areas of mountainous river-type reservoirs based on high-precision DEMs. It aims to solve the problems of poor accuracy, long processing time, and large human error in existing technologies for generating inundation areas. The method includes: acquiring or generating the reservoir river section DEM, river cross-section lines, and backwater meters, and preprocessing them; expanding the cross-section lines to divide the river into units; calculating the grid water level based on the inverse distance weighted interpolation method and comparing it with the DEM elevation to determine the inundation area grid; generating closed surface regions through boundary tracing and smoothing, and merging them to obtain the entire inundation area. This method balances efficiency and accuracy, supports dynamic generation of multiple schemes within seconds, improves analysis accuracy and efficiency, and is suitable for mountainous river-type reservoirs, providing data support for scheme comparison and physical surveys.

The invention belongs to the field of river and lake sludge treatment and comprehensive utilization, and discloses a river and lake sludge in-situ curing treatment method for a dam foundation of a hydraulic structure, which comprises the following steps: building earth rock cofferdams at the upstream and downstream of the dam foundation, and driving steel sheet piles into the cofferdams; river and lake open water is led away through the water diversion channel; foundation pit retaining walls are built at the downstream slope toe of the upstream cofferdam, the upstream slope toe of the downstream cofferdam and the upstream slope toes of the embankments on the two sides; curing the dam foundation sludge surrounded by the retaining wall in situ by adopting a supercharged vacuum preloading method; and the solidified dam foundation is subjected to vibro-replacement gravel pile or immersed tube gravel pile reinforcement and compaction treatment, and the requirement for the bearing capacity of the dam foundation is met after treatment. According to the method, the river and lake sludge is comprehensively utilized, the sludge is solidified into the dam foundation of the hydraulic structure on site, a series of problems of outward transportation of the river and lake sludge, land acquisition and storage, sludge treatment and the like are effectively solved, meanwhile, a large amount of cost can be saved, the ecological environment is protected, economic benefits and social benefits are remarkable, and new quality productivity is effectively improved.

The application discloses a kind of bauxite residue precision drying method and system of yard in situ redundancy design, it is related to industrial solid waste treatment and resource technology field, including bauxite conditioning pretreatment, mechanical deep pre-dewatering stage, yard in situ redundancy controllable natural airing stage and double-layer heat preservation greenhouse redundancy deep drying stage.The advantages are that all operations are completed in the existing hard area of bauxite residue yard, zero additional land acquisition, the energy system is mainly based on natural wind and solar energy, mechanical electric energy, and industrial low-temperature waste heat is only used as an emergency auxiliary in extreme weather, with the advantages of strong production capacity guarantee, small drying quality fluctuation, low energy consumption and adaptation to full-element high-value recovery.

The application discloses a kind of steel bone-concrete filled steel tube truss tower of triangular support, including fan, steel tower section, adapter section, truss section, independent foundation, independent foundation is fixed on ground by foundation bolt, truss section is set on independent foundation, truss section is set as triangular support truss tower, and support assembly is arranged in independent foundation.The application is triangular support, and the structure torsional performance is more optimal;Corner column uses steel pipe-steel bone concrete, increases rigidity while reducing the amount of steel;Independent foundation reduces land occupation area, saves land acquisition cost;Steel pipe is added with steel bone and grouting concrete inside, inner and outer steel pipes can be used as construction formwork, to avoid concrete surface quality problem in stripping process;Double prestress tensioning, increase the stability and tensile property of structure, while ensuring that concrete will not crack;Truss section component is all produced in factory, and scattered parts are transported to site installation, which significantly improves construction efficiency and ensures construction quality.

The utility model discloses a submerging line boundary pile for construction land acquisition and immigrant engineering survey, which comprises a pile body (4), the top surface of the pile body is arranged as a mark surface (11), the pile body comprises a first cylinder and a second cylinder, the cross sectional area of the first cylinder is larger than that of the second cylinder, and the first cylinder and the second cylinder are arranged in a staggered mode. The lower end of the first cylinder body is connected with the upper end of the second cylinder body, the first cylinder body is filled with concrete (5), the upper part of the second cylinder body is provided with a mortar pouring port (7), and mortar overflow holes (9) are distributed in a cylinder body of the second cylinder body. The utility model has the functional characteristics of environmental protection, portability, durability, attractive appearance and high efficiency.

The invention relates to the technical field of linear water conservancy project construction planning, and discloses an enterprise management method and device for linear water conservancy project construction land acquisition, and the method comprises the steps: recognizing an enterprise range inflection point coordinate in a target linear water conservancy project construction land acquisition processing range, the enterprise range of the target enterprise is generated based on the enterprise range inflection point coordinates; determining an enterprise range related to the construction land acquisition based on the construction land acquisition processing range and the enterprise range of the target enterprise; generating vectorized enterprise investigation information based on the enterprise investigation data of the target enterprise; generating linear hydraulic engineering construction land acquisition enterprise influence distribution data based on the construction land acquisition processing range, the enterprise range of the target enterprise, the enterprise range related to the construction land acquisition and the vectorized enterprise investigation information; and determining an enterprise compensation management strategy based on the linear hydraulic engineering construction land acquisition enterprise influence distribution data. According to the method, the influence of linear hydraulic engineering construction land acquisition on enterprises can be scientifically and reasonably identified.

The utility model provides a land expropriation and immigrant information acquisition device, which belongs to the technical field of FDM type 3D printers and comprises a U-shaped seat, a mounting box is arranged at the top of the U-shaped seat, a support plate is movably arranged on the U-shaped seat, a scanning input instrument is movably arranged on the support plate, and lifting components for lifting the support plate are arranged on the U-shaped seat and the mounting box. The utility model solves the problems that the handheld scanning and recording instrument is easy to shake during scanning, so that the scanned content is not clear, the text information extraction and identification are not accurate, the summarizing work is influenced, and the summarizing efficiency is reduced.

The invention discloses an immigrant management information system fund safety guarantee system construction method and device and a medium, and relates to the technical field of immigrant fund safety management.The method comprises the specific steps that a distributed data chassis is constructed to store immigrant project data, a data verification method is adopted to conduct credible data verification on the immigrant project data, and a data verification result is obtained; an identity authentication and access control model is established for identity authentication, an intelligent fund contract is established, the intelligent fund contract is executed after the identity authentication is passed, the fund flow generated in the process of executing the intelligent fund contract is monitored in real time, abnormity is identified, and risk early warning is triggered. The layered architecture and the refined authority design can adapt to the requirements of water conservancy project immigrant projects of different scales, provide technical support for transparency, standardization and high efficiency of immigrant management work, and are suitable for various water conservancy project land acquisition immigrant fund safety guarantee scenes.

The invention discloses a light soil widening construction method for a high-filling road section, and belongs to the technical field of highway reconstruction and extension, the widening side of an existing roadbed is excavated to form widening steps, drilling is performed to implant anti-sliding anchor rods, and reinforcing meshes are laid to form an integral anti-sliding and anti-overturning structure; the light soil is adopted for layered pouring construction, the self-leveling and self-compacting characteristics of the light soil are utilized, rolling and vibrating are not needed, and vertical widening is achieved. Construction does not need sloping, and a large amount of land acquisition and demolition cost is saved; connection and fixation between the prefabricated panel and the stand column can be rapidly achieved, the actual construction efficiency is improved, the structure adjustment is flexible, different stand column structures and installation errors of actual construction can be adapted, the connection stability between the prefabricated panel and the stand column is guaranteed, and the practicability is high. The method is suitable for rapid reconstruction and extension projects of high-fill road sections such as expressways and urban expressways.

The invention discloses a live-action three-dimensional model-based land acquisition demolition cost rapid evaluation method, and relates to the technical field of demolition cost evaluation. Comprising the corresponding stages of loading of a live-action three-dimensional model and geographic data, processing of geographic space data, analysis of a space relationship between land parcels and red lines, processing of a space analysis request, statistical calculation of an area and statistics of land acquisition and removal cost. Multi-format geographic data hybrid uploading and unified coordinate system conversion are supported, the area is calculated in combination with Alberts equal-area projection, and it is ensured that data are reliable and results are accurate; request processing is optimized, repeated calculation is avoided by means of path table caching, conjoint analysis is performed by means of parallel processing of an eight-process pool, a spatial relation judgment standard is defined, and efficiency and preciseness are improved; the cost is flexibly calculated according to the attributes of the land parcels, the process standardization is realized, and the result is stored as a geojson file containing complete information, so that tracing and docking are facilitated, the labor cost is reduced, and project decision and cost control are facilitated.

The utility model discloses a wide riverway low water head non-overflow dam section structure, which adopts a cantilever type non-overflow dam section and comprises a front toe, a bottom plate, a vertical arm, a vertical wall, a wall back backfill area and a dry stone slope protection, the front toe is positioned at the front end of the bottom plate, a section of slope surface is arranged on the top surface of the bottom plate, the vertical arm is arranged on the top surface of the junction of the front toe and the bottom plate, and the vertical wall is arranged on the vertical arm. The upstream face of the vertical arm is a vertical face perpendicular to the horizontal plane, the downstream face of the vertical arm is provided with a slope face which intersects with the slope face of the top face of the bottom plate, the top of the vertical arm is provided with a vertical wall, the downstream side of the vertical wall vertically intersects with the downstream slope of the vertical arm, and the downstream side of the vertical arm and the downstream side of the vertical wall are backfilled to form a backfilling area behind the wall. And the backwater side of the backfill area behind the wall adopts a slope surface, and the slope surface adopts dry stone slope protection. The project amount is saved through body type optimization, the project cost is reduced, and the land acquisition problem and the water conservation and environmental protection problem caused by stacking of a large amount of waste slag are effectively solved. And more economical, environment-friendly and sustainable development of the non-overflow dam section structure is achieved.

This utility model relates to a novel deformation lidar mounting bracket, which, from bottom to top, includes a forced centering base and several layers of brackets. The forced centering base is fixed to the observation pier by connectors. A protruding stud (first type) is provided at the center of its top surface, and a protruding stud (second type) is provided at the center of the top surface of each bracket. A threaded hole is provided at the center of the bottom surface of the bracket, which can be threadedly connected to either stud (first type) or stud (second type). The outer diameter of the lower layer of brackets is larger than that of the upper layer of brackets, and several protruding studs (third type) are arranged on the edge of the top surface of each layer of brackets. The studs (third type) are used to connect the deformation lidar. The advantages are: by setting lidar points at different heights, more deformation observation points can be covered as much as possible, reducing the number of lidar point installation locations, reducing land acquisition and financial pressure; and by setting mounting brackets of different sizes, it can meet the needs of various water conservancy construction projects, thus broadening the applicability of the equipment to a certain extent.

The invention relates to a 220kV prefabricated cabin type transformer substation which comprises a three-dimensional multi-layer prefabricated cabin and a supporting foundation, the prefabricated cabin comprises a first-layer prefabricated cabin and a second-layer outdoor platform, primary equipment and auxiliary equipment are arranged in the first-layer prefabricated cabin, and the second-layer outdoor platform is located above the first-layer prefabricated cabin. High-voltage equipment and a second-layer prefabricated cabin are arranged on the second-layer outdoor platform, secondary equipment is arranged in the second-layer prefabricated cabin, the supporting foundation comprises a prefabricated independent foundation body and a prefabricated cross beam, the prefabricated independent foundation body is vertically arranged in the foundation pit, and the prefabricated cross beam is horizontally fixed to the upper portion of the prefabricated independent foundation body and used for supporting the prefabricated cabin; compared with a traditional distributed prefabricated cabin layout, the scheme is beneficial for reducing the total plane occupied area, the land acquisition cost is reduced, only foundation node pouring, cabin body hoisting and splicing and a small amount of external wiring need to be conducted on site, and the construction period is shortened.

The application specifically discloses a power transformation framework, which comprises support assemblies, at least two of which are arranged at intervals along a first direction, at least one of the support assemblies comprises a first support part and a second support part which are connected to each other, and a crossbeam assembly which is erected between two adjacent support assemblies; wherein the first support part is located between the crossbeam assembly and the second support part, the first support part is made of composite insulating material, and the second support part is made of metal material. Since the first support part connected to the crossbeam assembly is made of composite insulating material, the first support part has excellent electrical insulation performance, so that the electrical safety distance between the conductor and the support assembly can be reduced, thereby effectively reducing the width of the power transformation framework and the land acquisition cost, and meanwhile, the second support part is made of metal material, so that the cost can be reduced. In addition, the support assembly with the above-mentioned composite structure is light in weight, not prone to rust and cracking, and the problems of difficult transportation, installation and maintenance are solved correspondingly, and the transportation and installation cost is reduced.

The invention relates to a method for replacing a T-beam by using a railway station, which comprises the following steps of: selecting an existing beam manufacturing enterprise to prefabricate the required T-beam, reconstructing the existing railway station within the range of an existing railway red line to form an in-station reconstructed beam storage field and a temporary shortcut, and transporting to a demolished railway bridge through the existing railway line to complete the replacement of the T-beam. The method breaks through the conventional concept, fully utilizes the existing resources, reasonably reconstructs the railway station in a compliance manner, arranges the large temporary project in the railway red line range, avoids occupying large-area temporary land, saves the time of land expropriation and demolition and beam manufacturing field construction, and is stable in construction period, reasonable in project and economical in investment. The method is suitable for T-beam replacement projects of existing mountainous railway bridges and river-crossing railway bridges.

The application discloses a land resource supply and demand intelligent matching method, and belongs to the technical field of data processing and intelligent recommendation. The method comprises the following steps: acquiring the interactive behavior data of demand parties on land plots, historical land acquisition records, basic information and preset behavior type depth weights; determining a decision cycle reference value based on the historical land acquisition records; performing time decay processing on preference scores according to the decision cycle reference value, the depth weights of corresponding behavior types and behavior occurrence times; determining the similarity between demand parties according to the basic information, the historical land acquisition records and the interactive behavior data; and determining the predicted interest degree of demand parties on non-interacted land plots and generating a recommendation result according to a land plot similarity matching algorithm, the similarity, the decayed preference scores and the similarity. Through the implementation of the application, the problem that the traditional recommendation algorithm adopts a global unified time decay function to cause preference distortion can be solved, adaptive modeling of user preference timeliness can be realized, and the matching accuracy of supply and demand can be improved.

The utility model relates to spiral pile technical field, concretely for the mounting structure of energy storage system with quick dismounting recovery based on spiral pile, including spiral pile and the pile body of setting in the ground of spiral pile tail part, the mounting assembly of the top of spiral pile can be connected with energy storage system box body, the top of mounting assembly is connected with extension assembly, the mounting assembly includes the second flange plate of screwing with spiral pile, the utility model discloses the mounting structure of energy storage system with quick dismounting recovery based on spiral pile, when the service life ends or needs to remove, can integrally remove and remove, has no pollution to environment, does not destroy ground, does not leave permanent structure, in addition, the installation of spiral pile is small to ground disturbance, can reduce the demand of construction land index and land acquisition permission to reduce relevant approval work and project cost, can fast construction in the installation process simultaneously, need not concrete pouring and maintenance, significantly shorten the installation period.

The invention discloses a construction land acquisition immigrant investment estimation calculation implementation system and method based on dynamic configuration, and relates to the technical field of data processing, and the system comprises a compensation project template configuration module which is used for dynamically configuring a compensation project template corresponding to each land acquisition area; the compensation item unit price and calculation mode configuration module is used for dynamically configuring a compensation unit price and compensation cost calculation formula corresponding to each compensation item in each land acquisition area; the compensation subsidy physical quantity acquisition module is used for acquiring land acquisition physical quantity of immigrants in the corresponding land acquisition area based on the compensation item template; and the rule engine and calculation module is used for calculating the compensation cost of each land acquisition area according to the land acquisition physical quantity of the immigrant, the configured compensation unit price and a compensation cost calculation formula. According to the invention, information such as compensation item information and unit price in the template can be flexibly and dynamically configured through the compensation item template configuration module and the compensation item unit price and calculation mode configuration module, and flexible and efficient estimation is realized.

The invention discloses a coal mine subsidence area earth surface inclined hole grouting method. The coal mine subsidence area earth surface inclined hole grouting method comprises the following steps that grouting reinforcement areas of a ground construction area and a coal mine underground goaf are determined according to wind power foundation size design; according to the maximum depth of the boundary of the ground construction area and the maximum depth of the bottom goaf, drilling parameters are designed, and the drilling workload is calculated; a double-arm straight hole drilling machine is adopted for drilling in the ground construction area, and at least part of drilled holes are inclined drilled holes, so that the area of the ground construction area is smaller than that of the grouting reinforcement area; and grouting construction of all the drilled holes is completed, and coring inspection is conducted after solidification is conducted for preset time. The coal mine subsidence area earth surface inclined hole grouting method has the advantages of being small in temporary occupied land area, low in land acquisition cost, low in drilling machine equipment moving frequency, high in construction efficiency and low in cost.

This invention relates to the field of satellite navigation and positioning technology, and discloses a smart land acquisition and resettlement high-precision mapping and positioning method based on the fusion of Beidou and UAV. The method includes: acquiring satellite observation data and UAV motion parameters; establishing a carrier phase double-difference observation equation and calculating a position constraint model based on the motion parameters; using the phase deviation value generated by multipath error modeling to perform reverse compensation on the carrier phase double-difference observation equation to maintain the full-rank characteristic of the variance-covariance matrix; and using the position constraint model in the search space to eliminate candidate integer ambiguity combinations that exceed displacement constraints, and outputting the mapping coordinates. This invention solves the matrix ill-conditioning problem caused by the scarcity of observation values ​​under strong reflection environments through the synergy of residual reverse compensation and physical motion envelope constraints, ensuring the robustness of the positioning benchmark and the topological consistency of the mapping model under complex occlusion conditions.

The invention discloses an equivalent undulating surface physical model solid surface acquisition method and device. The method comprises the following steps: establishing an initial three-dimensional depth-velocity model according to stratum morphological characteristics and logging velocity of a target area; based on the initial three-dimensional depth-speed model, converting the real undulating surface into an equivalent undulating surface with a horizontal surface, and replacing the real speed of the undulating surface with the equivalent speed of the undulating surface to obtain an equivalent three-dimensional depth-speed model; manufacturing to obtain an equivalent physical model; coating the upper surface of the equivalent physical model with a coupling agent; vertically mounting an excitation probe and a receiving probe on the upper surface of the equivalent physical model; and horizontally moving the excitation probe and the receiving probe according to a preset track, and carrying out solid surface acquisition on the equivalent physical model. The method realizes physical model solid surface acquisition, thereby simulating a land acquisition mode and being suitable for any land exploration scene.

The application discloses a construction method of a longitudinal expansion excavation subway station structure by a building-under-mine method. With the continuous densification of urban rail transit network, the situation of station structure being adjacent to buildings or local conflict of plane position is increasing. After the main structure of the open excavation station is poured and reaches the design strength requirement, the station structure is longitudinally expanded by using a step method. During the pouring of the main structure of the station, steel pipe vertical temporary supports are arranged at the open and dark excavation interface, and the C-shaped secondary lining structure formed by the longitudinal expansion excavation by the mine method should also be provided with the steel pipe vertical temporary supports. After the construction of the connecting top plate and the connecting bottom plate at the open and dark excavation interface is completed and reaches the design strength, the vertical temporary supports can be removed in sections. The application solves the technical problem that the conventional open excavation method or cover excavation method cannot be used to construct and form in one time due to the limitation of the surrounding environment, and avoids a large amount of land acquisition, demolition and resettlement work.