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49 results about "Built-up area" patented technology

Built-up area (BUA) is a term used primarily in urban planning, real estate development, building design and the construction industry.

BIM delivery self-examination method based on Revit plug-in

The invention relates to the field of building information model delivery, and particularly discloses a BIM delivery self-examination method based on a Revit plug-in, and the method comprises the steps: S1, extracting core attribute data in a model component; s2, exporting the model as a. Ifc format file; s3, establishing a matching mechanism of dictionary values and delivery specifications; s4, executing component logic normative verification of geometric legality, topological relation consistency and field dependency legality; s5, carrying out area conformity detection, calculating room and building areas, and comparing a deviation rate with a platform standard area rule through a simulation algorithm; s6, performing three-dimensional visualization feedback, visually presenting a detection result in the three-dimensional model, and providing a problem component ID; and S7, exporting a self-examination problem report and an operation log. According to the method, attribute integrity verification, geometric structure detection, standard rule examination and interactive three-dimensional feedback are realized, a problem report and a log can be automatically generated, and the model delivery quality, efficiency and passing rate are remarkably improved.
Owner:CHINA CONSTR EIGHTH BUREAU TIANJIN CONSTR ENG CO LTD

A big data-based intelligent scene operation optimization method

The application discloses a kind of based on big data's wisdom scene operation optimization method, belong to energy consumption management technical field.The application is synchronously collected multi-source heterogeneous energy consumption data in each level measurement node of park, constructs park equipment topological association model represented with directed acyclic graph;With actual cold consumption proportion, elevator use load capacity proportion, building area proportion as weight respectively to each type of public facilities energy consumption executes dynamic apportioning calculation, generates historical comprehensive energy consumption bill data;For each tenant independently constructs individualized energy use baseline matrix, and periodically rolling update, real-time calculation energy consumption deviation index;Along park equipment topological association model and parallelly executes vertical level difference value traceability and horizontal time sequence correlation traceability, and abnormal is determined as burst type, chronic drift type or to be observed type;Abnormal cause is automatically distinguished in combination with the number of people present changes, and corresponding progressive response action is triggered.

Hotel guest room number ratio optimization method combining room obtaining rate dynamic state and building area parameter

The invention discloses a hotel guest room number ratio optimization method combining a room yield dynamic state and a building area parameter, and relates to the technical field of building layout optimization, and the method comprises the steps: 1, giving a partition, a settable net region and a priori contraction solution space through structural grids, curtain wall division, shaft buffer superposition and morphological erosion reduction, and carrying out the optimization of the room yield dynamic state and the building area parameter; the method comprises the following steps of 1, building a partition-house type robust optimization and integration MILP and shadow price guidance geometric fine tuning, 2, rewriting settable variables by using a furniture interference convolution kernel and electromechanical / wireless software elements and considering the modulus risk of a curtain wall, 3, mapping a door opening-aisle-exit, converting into path and capacity constraint, and eliminating posteriori check, 4, building partition-house type robust optimization and integration MILP and shadow price guidance geometric fine tuning, and 5, building a partition-house type robust optimization and integration MILP and shadow price guidance geometric fine tuning. And step 5, triggering re-solving through three-anchor-point write-back, AP RSSI and return air static pressure recharging, realizing an auditable closed loop, improving compliance, room yield and construction controllability, and reducing the risk of non-standard curtain walls and reworking.
Owner:JIANGXI LAYOUT DIGITAL TECHNOLOGY CO LTD

Carbon emission evaluation method and system in operation stage of public building, equipment and medium

The invention provides a carbon emission evaluation method and system in a public building operation stage, equipment and a medium, and relates to the technical field of carbon emission. The method comprises the following steps: determining a basic carbon emission index of the public building based on the total carbon emission amount of the public building and the building area of the public building; based on the carbon emission influence of each carbon emission source of the public building in the operation stage, target carbon emission sources are screened out from the carbon emission sources, and based on the carbon emission intensity of the target carbon emission sources in the evaluation period, the carbon emission sub-indexes of the public building internal subsystems corresponding to each target carbon emission source are determined; determining a green power index of the public building based on the green power use condition of the public building in the evaluation period of the operation stage; and evaluating the carbon emission level of the public building based on the basic carbon emission index, the carbon emission sub-index of each internal subsystem and the green electricity index. The method solves the problem that existing public building carbon emission quantitative analysis cannot accurately guide the direction of energy conservation and emission reduction.
Owner:哈尔滨普华电力设计有限公司 +1

Cross-shaped core tube design method suitable for super high-rise building

PendingCN121859401AGeometric CADSpecial buildingElevator systemTube (structure)
The invention discloses a cross-shaped core tube design method suitable for a super high-rise building, belongs to the field of building design, and aims to solve the problems that due to lack of intensive layout, the building area is wasted, and the use amount of building materials and operation energy consumption are increased. A building system, a structure system, an electromechanical system, an elevator system and other systems are subjected to coupling optimization design, and the plane service capacity of the core tube is improved; by adopting the crossed arrangement of the cross-shaped elevator halls, the traffic area of the core tube can be saved by about 10m < 2 > on each floor, and the use space of more than 500m < 2 > is totally saved according to 50 floors; waste of building area is reduced, and the plane utilization rate can be increased to 78%-80% and is increased by about 2%-5% compared with traditional parallel arrangement; by adopting the cross-shaped elevator hall arrangement scheme, the uniformity of the plane can be obviously improved, the problem of plane detour is avoided, and the streamline distance from the core tube to each shop under the same plane layout can be shortened by about 25-30% compared with a parallel arrangement scheme.
Owner:ARCHITECTURAL DESIGN & RES INST OF SOUTH CHINA UNIV OF TECH

A method and system for spatial identification of urban decline

This invention discloses a method and system for identifying urban decline spaces, belonging to the field of urban planning technology. The method includes: S1. Acquiring population grid data and building area grid data of a target area for multiple consecutive years within a time interval; S2. Performing spatial alignment and standardization processing on the population grid data and building area grid data to form a standardized annual spatial database; S3. Removing grid units in the annual spatial database that do not possess effective urban activity characteristics to obtain a set of effective urban spatial grids; S4. Performing time series analysis on the effective urban spatial grid set to determine urban decline space grids; S5. Using a spatial clustering algorithm to cluster the determined urban decline space grids, dividing the urban decline space into continuous urban decline space and scattered urban decline space. This invention achieves automatic identification and classification of continuous and scattered urban decline spaces by analyzing the population and building area change trends over multiple consecutive years.
Owner:XIHUA UNIV

Building area statistical method, device, equipment and storage medium

The present application relates to the field of architectural design, and discloses a building area statistical method, device, equipment and storage medium, the method comprises the following steps: obtaining a building model to be counted, an area calculation specification corresponding to the building model and a statistical dimension; extracting building components and floor labels of a floor of the building model, and calculating an area contour line of the floor according to the building components; calculating an area value of the floor according to the building components, the area contour line, the area calculation specification and the floor labels; and archiving and counting the area values of each floor in the building model according to the statistical dimension to obtain an area statistical result of the building model. The present application takes advantage of the information-carrying capability of three-dimensional models, combines with area calculation specifications, automatically generates building area contour lines and building area values in batches, and can summarize building areas according to the number of floors and functional rooms through multi-dimensional summarization.
Owner:HEFEI LIANGZHEN CONSTR TECH CO LTD

A construction progress monitoring method and system for a construction project

This invention relates to the field of construction monitoring technology and discloses a method for monitoring the construction progress of a construction project, comprising the following steps: Step 1: Multi-source data acquisition of the construction scene; Step 2: Point cloud data preprocessing; Step 3: Feature extraction of prefabricated components and construction quality monitoring; Step 4: Construction progress monitoring; Step 5: Dual-model collaborative construction risk identification; Step 6: Fusion output of monitoring results. This construction progress monitoring method and system, through an adaptive parameter adjustment mechanism in the point cloud data preprocessing stage, uses an area sensor to collect the building area of ​​the construction scene and determine its level. The system automatically adjusts the grid side length, the number of neighboring points, and the SOR denoising threshold coefficient accordingly. Parameters can also be manually configured through the monitoring platform. Furthermore, it can dynamically adjust indicators such as the nearest neighbor search radius based on the point cloud density, accurately adapting to different scale construction scenes and ensuring that the efficiency and accuracy of point cloud preprocessing remain stable.
Owner:HEZHOU UNIV

Intelligent heat supply charging method and system based on multi-dimensional data

The invention provides an intelligent heat supply charging method and system based on multi-dimensional data, and relates to the technical field of heat supply management, and the method comprises the steps: receiving a house building area and heat use state selection instruction sent by a user, so as to determine an area step coefficient and a heat use state coefficient, the dynamic basic cost is calculated by combining the house building area, the unit area reference heat supply cost and the number of heat supply days; the accumulated heat consumption amount and the indoor temperature setting interval of the user in each unit time period are obtained; the temperature coefficient of the indoor temperature is determined according to the indoor temperature setting interval in the target unit time period, and the dynamic heat consumption cost of the target unit time period is calculated in combination with the accumulated heat consumption amount in the target unit time period and the billing unit price of the heat supply time period; and calculating a heat supply expense bill of the user based on the dynamic basic expense and the dynamic heat consumption expense of all unit time periods in the heat supply period. The charging fairness and the cost matching degree can be improved, users are guided to use heat in an off-peak mode, temperature is controlled moderately, and the energy-saving excitation effect is enhanced.
Owner:HUANENG CLEAN ENERGY RES INST +1

Medical facility design support device and medical facility design support program

To provide a medical facility design support device and a medical facility design support program capable of supporting layout design capable of responding to more requests compared with a conventional technology.SOLUTION: A medical facility design support device 10 includes an acquirer 11A that acquires floor area information indicating a floor area of each of a plurality of departments installed in a target medical facility and excluding a hospital ward, building area information indicating a building area in a site where the medical facility is built, and actual state information indicating an actual state of a layout of at least a part of the plurality of departments in another medical facility, a deriver 11B that derives layout information indicating a layout of the plurality of departments for the medical facility in a case where the medical facility is built to have a plurality of floors in the site using the floor area information, the building area information, and the actual state information, and a presenter 11C that presents the layout indicated by the layout information.SELECTED DRAWING: Figure 2
Owner:TAKENAKA CORP

Sandwich bare brick wall structure

The invention discloses a sandwich ganged brick wall structure which comprises an inner-leaf masonry wall, an outer-leaf ganged brick wall, a heat preservation layer and a cavity. The cavity is arranged between the inner-leaf masonry wall and the outer-leaf bare brick wall, and the heat preservation layer is arranged between the cavity and the inner-leaf masonry wall. In an interlayer supporting unit of the sandwich plain brick wall, a structural bridging piece is raised from the side face of a structural beam, an outer-leaf plain brick wall is built on the upper surface of the structural bridging piece, and plain thin bricks are pasted to the outer side face of the structural bridging piece through a second bonding layer. In the anti-seismic unit, a reinforcing mesh is respectively tied with a structural column, a constructional column, a structural beam and a ring beam through first, second, third and fourth tie steel bars; in the wind-resistant unit, the constructional column and the ring beam protrude out of the outer side face of the inner-leaf masonry wall to form a first gap and a second gap with the outer-leaf bare brick wall respectively, and the first bonding layer and the third bonding layer fill the first gap and the second gap respectively. According to the sandwich bare brick wall structure, the cost can be reduced, the building area utilization rate is increased, and the anti-seismic and wind-resistant performance is improved.
Owner:EAST CHINA ARCHITECTURE DESIGN AND RESEARCH INSTITUTE CO LTD

Refined earthquake buried population estimation method and medium

The invention relates to a refined earthquake buried population estimation method and a medium, and relates to the technical field of population data calculation. Firstly, function types of buildings in a target area are identified based on remote sensing data, so that population weights of the buildings of all the function types are obtained, and after an earthquake disaster occurs, rescue force can be accurately positioned to each high-risk building instead of a fuzzy area. Secondly, for each building, based on the function type, the building area and the population weight of the building, the building scale population number is calculated, and the collapse rate and the person in-room rate when an earthquake occurs are obtained, so that the estimated number of buried people can be dynamically obtained; therefore, more refined buried population spatial distribution can be obtained by integrating various complex nonlinear potential influence factor relationships, and a more scientific and effective decision basis is provided for earthquake emergency response.
Owner:YUNNAN SEISMOLOGICAL BUREAU

A standard column grid-based industrial plant building monomer cost rapid estimation method and system

This invention discloses a method and system for rapid cost calculation of individual industrial plant buildings based on a standard column grid, belonging to the field of industrial building engineering technology. The invention includes defining a data collection range based on the industrial plant to be calculated, collecting architectural characteristic parameters such as structural type, eaves height, and building area, and performing standardized format conversion and outlier removal on all collected parameters to generate standardized parameter data. This invention solves the problems of poor adaptability and low estimation accuracy caused by the use of general parameters in traditional parameter estimation methods. It achieves rapid adaptation for cost calculation of industrial plant buildings with different standard column grid specifications, and addresses the common defects of traditional three types of calculation methods, which all require manual updates of market data and whose calculation results lag behind market changes. Furthermore, it can simultaneously complete cost calculations and horizontal economic comparisons for multiple sets of schemes with different column grid specifications and structural types, fully adapting to cost calculation and investment decision-making application scenarios in the entire early stage of industrial plant construction projects.
Owner:安徽金鹏绿色建筑产业集团有限公司

Frame structure embedded outer wall and production preparation method

The application discloses a frame structure embedded outer wall and a production and preparation method, which comprises the following steps: a fiber concrete shell, which comprises a panel and a plurality of ribbed frames arranged on the panel; an ALC plate, which is embedded into the ribbed frames of the fiber concrete shell to form a wallboard main body; and a heat preservation strip. According to the application, the composite structure of the fiber concrete shell and the ALC plate realizes the structural strength and the anti-cracking and protection capability of the outer wall by using the high-strength fiber concrete, greatly reduces the overall self-weight of the wallboard by the light weight of the ALC plate, and effectively prevents the cold bridge problem by the self-insulation performance of the ALC plate and the heat preservation strip at the ribbed frames, so that an efficient overall insulation structure is formed. The cooperation of the wall top connecting piece and the installation adjusting mechanism can realize multi-angle high-precision adjustment during the installation of the wallboard, greatly reduces the installation difficulty of the wallboard, and the overall embedded wallboard in the frame beam column frame avoids the problem of occupying the building area, and effectively improves the space utilization of the building.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD +1

Integrated green building evaluation and energy-saving optimization system

An integrated green building evaluation and energy-saving optimization system, comprising a data acquisition module, a data analysis module, and a data evaluation module. The data acquisition module comprises: a regional building data acquisition unit, a current building data acquisition unit, a regional device data acquisition unit, a current device data acquisition unit, and a meteorological data acquisition unit. The average energy consumption of regional buildings is computed by means of a regional building energy consumption data set. The average energy consumption of regional devices is computed on the basis of a regional device energy consumption data set. A current building energy consumption is computed by means of a building area and an outdoor temperature. A total current device energy consumption is computed by means of a current device energy consumption data set. Then, the average energy consumption of the regional buildings and the current building energy consumption are evaluated and compared. By fully considering the energy consumption caused by building materials in green buildings, the average energy consumption of regional devices and the total current device energy consumption can be evaluated and compared, making energy-saving optimization and evaluation of green buildings more comprehensive.
Owner:BEIJING HUAWEI TRAFFIC ENG

Automatic Allocation Method and System for Real Estate Map Elements Based on EPS Platform

This invention relates to an automatic allocation method and system for real estate surveying and mapping elements based on the EPS platform. After defining the attributes of private and common elements and automatically creating real estate units, the method automatically encodes the defined private and common elements according to pre-defined element coding rules. In the subsequent area allocation calculation stage, based on the business rules for first- and second-level allocation of shared building area, the method automatically completes the area allocation calculation for common elements by parsing entity codes, thereby automatically customizing the allocation destination. This ultimately achieves the area allocation calculation for common elements of real estate, effectively reducing the error rate of manually specifying the allocation destination, optimizing the workflow, and saving work time. Furthermore, the obtained real estate surveying and mapping data results can be used to generate realistic 3D building layered and unit-specific data through data extraction and reconstruction techniques, which can then be applied to realistic 3D construction.
Owner:ZHUHAI SURVEYING & MAPPING INST

Solar heating system design method and device, electronic equipment and storage medium

The present disclosure relates to a solar heating system design method and device, an electronic device and a storage medium, comprising: determining a heat collection characteristic parameter to obtain a heat collection characteristic parameter set containing multiple heat collection characteristic parameters; determining an energy storage characteristic parameter to obtain an energy storage characteristic parameter set containing multiple energy storage characteristic parameters; obtaining multiple characteristic parameter combinations based on the heat collection characteristic parameter set and the energy storage characteristic parameter set; determining a performance combination corresponding to the characteristic parameter combination based on each characteristic parameter combination and hourly heat balance data; determining the annual value of the cost that meets the functional and economic standards and reaches a single solar guarantee rate to obtain a candidate characteristic parameter combination corresponding to each solar guarantee rate, and obtain a target characteristic parameter combination corresponding to a target solar guarantee rate; and determining the collector area and the water tank volume based on the target characteristic parameter combination and the building area, thereby improving the accuracy of determining the collector area and the water tank volume.
Owner:TSINGHUA UNIVERSITY +1

Building full life cycle carbon emission estimation method, system and device and storage medium

The invention belongs to the technical field of building carbon emission, and discloses a building full life cycle carbon emission estimation method, system and device and a storage medium. The method comprises the following steps: extracting original data, and identifying and cleaning dead pixel data in the original data to obtain valid data; based on the effective data and the key parameters, respectively adopting a least square method to carry out linear regression to establish a staged carbon emission estimation model, receiving query parameters input by a user, and utilizing the staged carbon emission estimation model to automatically match a corresponding formula group based on the query parameters, and substituting into calculation to obtain the total carbon emission of the corresponding building in the whole life cycle. According to the mode, the staged matrix calculation model is established by combining five key parameters including the building type, the climate zone, the building height, the building area and the number of the above-ground layers, and the carbon emission of the whole life cycle of the building can be quickly and accurately estimated.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

Building integrated photovoltaic metal photovoltaic tile plate

The utility model discloses a building integrated photovoltaic metal photovoltaic roofing slate, including mounting rack and retraction mechanism, mounting rack: the left side and the right side of its interior are both equipped with the chute, retraction mechanism: it includes retraction rack, fixed block, fixed bolt, locking subassembly and limit subassembly, retraction rack is both in sliding connection between the two chute, and the limit subassembly is in sliding connection between the fixed block, fixed bolt, locking subassembly and limit subassembly. The interiors of the two retractable frames are slidably connected with uniformly distributed photovoltaic panels, the fixed block is slidably connected to the middle of the front side of the interior of the retractable frame on the front side, the fixed bolt is in threaded connection to the middle of the front side of the upper end of the retractable frame on the front side, and the lower end of the outer surface of the fixed bolt is in threaded connection with the upper end of the interior of the fixed block; according to the building integrated photovoltaic metal photovoltaic tile board, a plurality of photovoltaic panels can be rapidly installed and form a whole, the stability of the structure is improved, the folding and unfolding mechanism is further arranged, the installation size can be flexibly adjusted according to the building area, and the installation efficiency is improved.
Owner:LIAONING YILIAN CONSTRUCTION ENGINEERING CO LTD

Aluminum-magnesium-manganese plate steel frame integrated structure double-sided wallboard

According to the innovative aluminum-magnesium-manganese plate steel frame integrated double-faced wall plate of the integrated structure, an inner wall panel, an outer wall panel, a wall interior filling material, an internal cable pipeline and other technologies needed for comprehensive maintenance of the structural wall body are prefabricated on the integrated wall plate device, and the steel frame forming the wall plate is also a final steel frame of the wall body at the same time; a single wallboard takes a span of two steel columns of a building as a mounting unit, the wallboard device is directly mounted by taking the steel columns as connecting objects for mounting and positioning to form a wall body, and an on-site early-stage working procedure and a later-stage construction working procedure (joint filling, gluing and the like) are not needed. All wall elements of the maintenance structure of the building can be formed through one installation process, and the economic cost of the two sides of a project is obviously reduced. The innovative aluminum-magnesium-manganese plate steel frame integrated structure double-faced wallboard enables the inner wall surface and the outer wall surface of a building to have high-standard appearance and fireproof and waterproof levels. The integrated steel frame structure wallboard has good compactness, so that the overall thickness size of the wallboard is small, and 50% of building area occupation can be reduced.
Owner:陈华珍

A refined method for estimating the population buried by earthquakes and the medium

This invention relates to a refined method and medium for estimating the population buried in earthquakes, belonging to the field of population data extrapolation technology. First, based on remote sensing data, the functional types of buildings in the target area are identified, thereby obtaining the population weight of each functional type of building. This allows rescue forces to accurately locate each high-risk building after an earthquake, rather than a vague area. Second, for each building, based on its functional type, building area, and population weight, the building-scale population is calculated, and the collapse rate and occupancy rate at the time of the earthquake are obtained, thus dynamically estimating the number of people buried. In this way, a more refined spatial distribution of the buried population can be obtained by integrating various complex nonlinear potential influencing factors, providing a more scientific and effective decision-making basis for earthquake emergency response.
Owner:YUNNAN SEISMOLOGICAL BUREAU

Low-efficiency industrial land data identification method

The invention discloses a low-efficiency industrial land data identification method, and relates to the technical field of land resource management, and the method comprises the steps: collecting the business income, tax, power consumption, employees, land area, building area and other basic information of an industrial land through on-site treading, and calculating the land average evaluation index of each land block. A natural discontinuity point grading method is adopted to carry out grading assignment on each index data, and an analytic hierarchy process is adopted to determine the evaluation weight of each index. And calculating the efficiency comprehensive score of each land parcel in combination with the grading assignment and the evaluation weight, and judging whether the land parcel is a low-efficiency industrial land or not through a preset score threshold value. And finally, performing coupling verification on a model judgment result and a preliminary result of field exploration of a professional, and establishing a final low-efficiency industrial land database after taking a union set. According to the method, the quantitative model and field verification are integrated, and effective support is provided for fine management and efficiency improvement of land resources.
Owner:CHANGCHUN PLANNING PREPARATION RES CENT (CHANGCHUN URBAN & RURAL PLANNING & DESIGN INST)

Evaluation method for carbon emission reduction of medium-deep geothermal heating system and related device

PendingCN121745768AData processing applicationsGeothermal heatingHeat load
The invention discloses a method and related device for evaluating carbon emission reduction of a medium-deep geothermal heating system, and the method comprises the steps: building a geothermal well source side heating capability model based on the fluid mechanics and engineering thermodynamics theory, and dividing the load side heating demand scale according to the heating load index and the building area; according to the geothermal well source side heating capacity model and the load side heating demand scale, a multi-parameter combination feasible solution is screened, operation energy consumption and carbon emission calculation is carried out, and economical efficiency evaluation and input-output comprehensive evaluation are carried out; and optimizing different system configuration schemes according to economic evaluation and input-output comprehensive evaluation results. According to the method, the geothermal well parameters and the system operation strategy are collaboratively optimized, the principle of'demand setting by supply ', the multi-parameter combination screening mechanism and the comprehensive carbon emission reduction goodness index are organically combined, and collaborative optimization of geothermal well source side parameters and heating system configuration is achieved.
Owner:SHAANXI COALFIELD GEOLOGICAL EXPLORATION RES INST CO LTD +1

Aerial survey aircraft for building area measurement

The application discloses a kind of building area measurement aerial plane, comprising: unmanned aerial vehicle, remote control flight by remote controller;Suspension, is set below unmanned aerial vehicle;A pair of clamping jaw, horizontal sliding is set to the lower end surface of suspension, and is used to hold the two sides of camera;A pair of spring, set on suspension, and used to drive a pair of clamping jaw mutually close;Hook, is set to the inner side of clamping jaw, and is used to hook the lower end surface of camera.The application has the following advantages and effects: by setting the fixed mechanism of clamping type, the clamping fixation of different kinds of camera equipment is realized, the quick replacement of camera equipment is realized, different use requirements are met, and the practicability is improved.
Owner:CHINA JIANCHENG ENG CONSULTING CO LTD

Urban recession space identification method and system

The invention discloses an urban recession space identification method and system, and belongs to the technical field of urban planning, and the method comprises the steps: S1, obtaining population grid data and building area grid data of a target region in a plurality of continuous years in a time interval; s2, performing spatial alignment and standardization processing on the population grid data and the building area grid data to form a standardized annual spatial database; s3, eliminating grid units which do not have effective urban activity characteristics in the annual spatial database to obtain an effective urban spatial grid set; s4, time sequence analysis is carried out on the effective urban space grid set, and urban recession space grids are judged; and S5, clustering the judged urban recession space grids by adopting a space clustering algorithm, and dividing the urban recession space into a continuous urban recession space and a scattered urban recession space. According to the method, automatic identification and classification of continuous and scatter urban recession spaces are realized by analyzing population and building area change trends for continuous years.
Owner:XIHUA UNIV

Basement fire pump house

The utility model discloses a basement fire-fighting water pump house which comprises a fire-fighting water pump house body arranged on a negative second floor, and a fire-fighting water pool arranged on a negative first floor is arranged above the fire-fighting water pump house body. A fire pump is installed in the fire pump room, the output end of the fire pump is connected with an output pipe, and the output pipe is connected with a water equipment room located on the upper layer of the fire pump room. A water suction groove is formed in the bottom of the fire pool, and a drainage groove is locally formed in the water equipment room; an overpressure water drain pipe is installed in the water equipment room and connected with the output pipe. Under the condition that the requirement for the effective cube of the fire pool is met, the actual area of the pool is minimum, the area of the equipment room is minimum, waste of invalid space of a traditional basement is avoided, the construction cost is reduced to the maximum extent, and the parking benefit of the basement is greatly improved (the total building area of the basement is divided by the parking space number); and the water absorption efficiency of the water pump house equipment is optimized.
Owner:ZHUHAI HUAFA ARCHITECTURAL DESIGN CONSULTING CO LTD

Reinforced concrete and wooden earthquake-resistant high-rise buildings

The present invention provides a base-isolated high-rise building that effectively suppresses the increase in force during earthquakes that causes the whip-like motion, and enables the efficient construction of a building in which a high-rise section with a small floor area extends from a low-rise section. [Solution] A seismically isolated high-rise building is constructed including a lower floor 20 made of reinforced concrete and an upper floor 30 made of a wooden hybrid structure, wherein an intermediate seismic isolation layer 40 is interposed between the lower floor 21 and the upper floor 22 of the lower floor 20. The floor area of ​​the upper floor 30 made of a wooden hybrid structure is smaller than the floor area of ​​the lower floor 20 made of reinforced concrete, and the upper floor 30 made of a wooden hybrid structure is erected in an off-center position within the planar area of ​​the lower floor 20 made of reinforced concrete, for example, eccentrically to the west.
Owner:OKUMURA CORP

Building energy consumption low-carbon evaluation method based on building material modification

The application discloses a kind of building energy consumption low-carbon evaluation methods based on building material reconstruction, it is related to building field, the problem that existing building energy consumption low-carbon evaluation methods exists poor evaluation effect is solved, including steps S1: obtaining the building area index value and the activity population index value corresponding to target building, and first building low-carbon evaluation coefficient is obtained by analysis, step S2: by energy analysis to target building, second building low-carbon evaluation coefficient is obtained, step S3: by building material analysis to target engineering, third building low-carbon evaluation coefficient is obtained, step S4: according to first building low-carbon evaluation coefficient, second building low-carbon evaluation coefficient and third building low-carbon evaluation coefficient, low-carbon evaluation is carried out to target building, the comprehensiveness and accuracy of building energy consumption low-carbon evaluation result can be further improved by the application.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD

Urban land vacancy condition identification method based on multi-source data

The invention discloses an urban land vacancy condition identification method based on multi-source data, and relates to the technical field of urban planning, tourism planning, natural language processing and urban traffic, and the method comprises the steps: firstly, extracting residential land in vector building contour data through a remote sensing image interpretation method; secondly, extracting a height value of the vector building contour data; then, the building area value of each land plot and the number of residents of each land plot are calculated; and finally, calculating the number of people in the unit building area of each land parcel, and carrying out urban land vacancy condition identification through the number of people in the unit building area or a machine learning algorithm. According to the method, the urban land vacancy state can be efficiently and automatically identified.
Owner:JIANGSU INST OF URBAN PLANNING & DESIGN

Carbon emission accounting method for the whole process of recycling waste wood templates and remanufacturing artificial boards

This invention discloses a method for calculating the carbon emissions of the entire process of recycling and remanufacturing waste wooden formwork into engineered wood panels. The method calculates the total mass of waste wooden formwork and the mass of recyclable wooden formwork based on the building area of ​​the demolition project. It calculates the carbon emissions during the demolition of recyclable wooden formwork and the carbon emissions during the transportation of recyclable wooden formwork from the demolition site to the recycling plant. It also calculates the carbon emissions during the processing at the recycling plant, the carbon emissions during the transportation of processed wood from the recycling plant to the production plant, the carbon emissions of supplementary materials, and the carbon emissions during the production of processed wood. Furthermore, it calculates the carbon emissions of recycled engineered wood panels processed using traditional methods, constructs a carbon emission difference calculation model between traditional and recycling processes, and quantifies the total carbon emission savings from replacing virgin wood with waste wooden formwork. This invention can accurately calculate the carbon emissions of the entire process of recycling and remanufacturing waste wooden formwork into engineered wood panels in specific projects, covering all scenarios of wooden formwork recycling in the construction industry.
Owner:NANJING TECH UNIV