88results about How to "Improve construction level" patented technology

The invention discloses a real-time monitoring method for growth characters of tea trees in intensive cultivation. The method comprises the following steps: performing real-time data acquisition by a tea tree living body growth character data acquisition device based on online location, transmitting the acquired data to an artificial comprehensive management center through a wireless communication way to process, wherein the acquired data comprises current location data acquired by a locating mechanism, fresh tea leaves spectrum data acquired by a high spectrum imaging sensor, and average growth height of fresh tea leaves measured by an ultrasonic wave sensor, and judging the best fresh tea leaf picking time based on that the data and a picking judgment model established off line are combined by the artificial comprehensive management center. The picking judgment model comprises a bud size growth measurement model based on average growth height, a yield correlation model and a quality correlation model based on the high spectrum image data. The real-time monitoring method for the growth characters of the tea trees in intensive cultivation is beneficial to realizing of intensive cultivation and automation in planting of the tea trees.

The invention relates to an early warning service management system based on remote expert service. In the system, sensors based on hybrid automatic repeat request (ARQ) technology collect the grouped data of a bridge; the machine to machine (M2M) technology is adopted to monitor the information between the intelligent sensor devices, the monitoring information is transmitted remotely in a wireless digital manner; a terminal collector performs bidirectional data transmission on the monitoring information through a terminal remote transport protocol and an intelligent network platform, the data collected by the terminal collector are compared with the stress simulation database information of the bridge design and off-design small probability state finite element computation structure established by an expert service system, the comparison result is used for evaluating and processing; early warning is performed according to the comparison and evaluation result of the condition and monitoring information of the bridge; and when the monitoring data are abnormal or the warning level is higher, the system automatically sends a message to an expert and the expert can give corresponding handling advices and measures timely, thus the timely and dynamic management of information can be realized.

The invention discloses a BIM based laboratory engineering interactive design method and system. The BIM based laboratory engineering interactive design method comprises the specific steps of building engineering data models such as laboratory buildings and equipment by using BIM, and carrying out interactive design of the laboratory engineering by combining with a VR technology. The BIM based laboratory engineering interactive system is built at a cloud server; and through the interactive system, the scene of the laboratory engineering is subjected to three-dimensional visual display, and the work condition of the laboratory is subjected to simulated calculation and is output dynamically in a visual manner. Through the BIM based laboratory engineering interactive design method and system, planning and construction level of engineering such as biological, physical and chemical laboratories and clean workshops can be improved, and the engineering construction cost can be reduced.

The invention discloses a vehicle service system comprising a cloud server, a vehicle owner service client, a parking lot station service client, a vehicle-borne positioning unit, a vehicle incoming and outgoing detection unit, a parking card, a parking spot information bulletin board, and an indoor parking spot guidance unit. The cloud server is connected with a user, a parking lot station, the vehicle-borne positioning unit and the indoor parking spot guidance unit in a two-way mode, and connected with the vehicle-borne positioning unit in a one-way mode. The system can provide real-time idle parking spot query, parking spot reservation, vehicle guidance and other services for vehicle owners. The additionally-arranged indoor parking spot guidance unit of the system can provide accurate indoor guidance service for vehicles under the condition that the GPS and other satellite positioning signals are poor or the network communication signals are unstable, so as to provide more user-friendly intelligent vehicle services for vehicle owners, improve the travel efficiency of vehicle owners, and reduce energy consumption.

The invention relates to a bridge installation method, in particular to an installation construction process of bridge expansion joints. To effectively improve the construction quality and the service performance of expansion joints, an expansion joint device used in the bridge installation method is installed in the sequence of paving the road before joint installation, and the installation method comprises the following steps: step 1, slotting: joint cutting, slotting and steel bar checking; step 2, installation: firstly, adjusting the initial expansion amount of the product according to the actual construction temperature, lifting the expansion joint device in place and then detecting the straightness and flatness; secondly, welding after elevation measuring and fixing; thirdly, installing partition boards and then cleaning preformed grooves; step 3, concrete pouring; and step 4, maintaining. The installation construction process can ensure the smoothness of the expansion joint device, solve the problem that two sides adjacent to the expansion joint device are not easily compacted, effectively reduce the potential failures caused in the construction links, and reduce the early breakage rate; and the installation construction process can improve the management and construction level of highway construction management and construction enterprises in the bridge expansion joint construction, and realize the fine construction by adopting the mode from extensive to intensive.

A remote detection system for indoor visitor flow rate of a school place comprises an embedded microprocessor, an outer infrared detection module, an inner infrared detection module, a power supply management module, a serial module, a network module and a display module, wherein the inner infrared detection module and the outer infrared detection module are both arranged at the passageway of the school place for detecting whether someone goes out; the inner infrared detection module is arranged on the inner side of the passageway for detecting whether someone enters; the outer infrared detection module is arranged on the outer side of the passageway; and the embedded microprocessor comprises a visitor flow rate statistical module and a visitor flow rate information output module, wherein the visitor flow rate statistical module is used for shielding a post received outer infrared detection signal if detecting an inner infrared detection signal early and subtracting 1 from the sum of the visitor flow rate of the place, or shielding a post received inner infrared detection signal if detecting an outer infrared detection signal early and adding 1 to the sum of the visitor flow rate of the place. The remote detection system has strong operability and good instantaneity.

The invention discloses a device for data acquisition of fertility characteristics of a tea tree living body based on online positioning. Four vertical supporting rods (2) are arranged on four corners of a rectangle covering the tea tree plantation zone; a colored mark (3) is arranged at the top end of each supporting rod; a guide rail (1) is arranged on each of the two long sides of the rectangle; four pulleys and a motor (20) used for driving the supporting rods are arranged at the bottom of a frame (5); an omnibearing visual sensor (9) is fixed onto a tripod (12) arranged at the top end of the frame; a computer (7), a storage battery (8), an ultrasonic sensor (16) and a wireless transmitter (14) are further arranged on the frame; a hyperspectrum sensor is also arranged at the top of the frame; the device for data acquisition of fertility characteristics of the tea tree living body based on online positioning has the characteristic of high automation degree, so as to provide infrastructure for fine plantation of tee trees.

The invention discloses a pre-reinforcement method and a pre-reinforcement structure for a full section of a tunnel. The method comprises the following steps: S1, arranging a plurality of conduits (1) in the surrounding rock of a to-be-excavated tunnel and along the contour line of a tunnel face (4), and grouting to the surrounding rock of the to-be-excavated tunnel through the conduits (1); S2, arranging a plurality of free-cutting anchor rods (2) in the to-be-excavated tunnel from the tunnel face (4); S3, excavating the tunnel face (4). The pre-reinforcement method and the pre-reinforcement structure disclosed by the invention are easy in field operation, reasonable in reinforcement cost, high in safety and good in reinforcement effect, and the problem that the working face of the tunnel collapses due to excessive extrusion deformation during a loess tunnel excavation and support process of full section excavation to influence the primary support stability is solved very well; as mechanized construction is not influenced by the free-cutting anchor rods during the construction process, so that the construction speed is quickened very well, the reasonable construction cost is kept, the construction safety, the construction quality, the construction period and the like are ensured, and the tunnel construction level is improved; the pre-reinforcement method and the pre-reinforcement structure have very good site construction value.

The invention relates to a tunnel composite lining design method comprising secondary lining under the action of multiple loads. The secondary lining not only bears the surrounding rock pressure, butalso bears the water pressure, structure additional constant loads and other loads; and through the safety coefficient distribution, the safety coefficients of the anchor rod-surrounding rock bearingarch, the sprayed concrete layer and the secondary lining are obtained, and the corresponding initial design parameters are obtained through respective calculation models and surrounding rock pressure. The parameters of the secondary lining are planned again, so that the safety coefficient of the secondary lining under load combination of surrounding rock pressure, water pressure, structure additional constant load and the like is not lower than that of the distributed secondary lining. By checking whether the secondary lining parameters can meet the requirements of the standard for the safety coefficient of the single structure or not according to the secondary lining construction opportunity, and obtaining the secondary lining parameters meeting the requirements, and comparing with theinitial design parameters of the secondary lining, and checking and adjusting the safety coefficient distribution values of the anchor rod surrounding rock bearing arch and the spraying layer, the parameters of the anchor rod and the spraying layer are determined, and the quantitative design of the composite lining is realized.

The invention discloses a split mounting type prefabricated reinforced concrete construction temporary road, which comprises a box type member, wherein a reinforced concrete box type member is arranged in the box type member; reinforcement of the reinforced concrete box type member is welded and fixed to the box type member; four angular points of the reinforced concrete box type member are provided with omega-shaped lifting rings respectively; and water discharge holes are also formed at the omega-shaped lifting rings. The split mounting type prefabricated reinforced concrete construction temporary road has the beneficial effects that: through development of the split mounting type prefabricated reinforced concrete construction temporary road, a reinforcement welding net, angle steel and concrete are formed into a whole, so that the performances of the steel and the concrete are fully utilized, particularly, the periphery of the construction temporary road is protected by using the angle steel, and the unavailability due to corner stripping caused by collision or other reasons during use of the construction temporary road is avoided; and a temporary road module is manufactured by using a shaped steel mould, and meanwhile, a special formwork and a strengthening system are matched, so that the construction quality of the corner part and the entire temporary road is effectively guaranteed.

The invention relates to an anti-collision guardrail construction trolley, a construction method and an engineering supervision platform. The trolley comprises a supporting part, a balance weight partand a standing table. An automatic walking system is arranged on the lower side of the supporting part, a hydraulic adjusting and formwork folding and unfolding system is further connected with the supporting part, the hydraulic adjusting and formwork folding and unfolding system comprises at least one hydraulic adjusting subsystem, each hydraulic adjusting subsystem comprises a hydraulic oil cylinder part and a formwork part, and the hydraulic oil cylinder parts are connected with the formwork parts. The construction method comprises the steps of first-stage trial operation model building and second-stage conventional operation. The engineering supervision platform comprises a plurality of crash barrier construction trolleys, a plurality of construction site control centers, an engineering research and development center and a safety supervision center. According to the anti-collision guardrail construction trolley, the cost is reduced, and the material distribution efficiency is greatly improved; the control system is arranged to control the whole construction of the trolley, the intelligent degree is greatly improved, and the construction efficiency is remarkably improved.

The invention discloses a construction method for an under-post single pile reinforcing steel inserting positioning device based on the building information modeling (BIM) technology. The construction method comprises the following steps that firstly, related information of a pile foundation is collected and collated; secondly, pile foundation three-dimensional modeling is carried out; thirdly, positioning device BIM modeling is carried out; fourthly, a detailed statement is generated; fifthly, information statistics is carried out; sixthly, positioning device pre-machining is carried out; and seventhly, site construction is carried out. The construction method can solve the problems that on the construction site, the positioning difficulty of under-post single pile reinforcing steel inserting is high, and the precision is low. By means of site construction, the reinforcing steel inserting longitudinal and transverse positioning and elevation positioning dimension can be controlled, the reinforcing steel inserting precision and efficiency are improved, the engineering construction level is improved, and the precision of engineering construction is guaranteed.

The invention relates to an intelligent course website generating system on the basis of access of multiple terminals, and belongs to the technical field of course website construction. Development of the intelligent course website generating system is adopted as a principal line, and difficult problems in course website construction procedures are solved for teachers in a focused manner; functions are packaged in a 'black box' manner in a system development procedure, so that operation can be simplified for the teachers during course website construction, and the teachers are assisted to easily construct course websites by a 'zero-training' design. The intelligent course website generating system has the advantages that a course website concentrated display platform for the multiple terminals is constructed in a school, so that students can browse and study courses via various types of equipment (such as computers, mobile phones and PADs) at any time and in any places, the user experience can be improved, and independent study interest of the students can be enhanced; the intelligent 'zero-training' course website generating system is constructed, so that the teachers without computer technical bases also can easily construct and publish the course websites for the multiple terminals within 15 minutes under the condition that data are prepared sufficiently; the integral course website construction level of the school can be upgraded.

The invention relates to a modifier for a high-liquid-limit clay pavement. According to the modifier, the basic principle is that a series of physical and chemical reactions of inorganic binders and high-liquid-limit clay are utilized, the liquid limit and the plastic index of the high-liquid-limit clay are reduced to the maximum degree, the unconfined compressive strength and the CBR strength areimproved, and the requirement for the performance of the high-liquid-limit clay pavement in the specification is met. The modifier for the high-liquid-limit clay pavement is prepared from the following raw materials in parts by weight: 107-143 parts of flue gas desulfurization gypsum, 95-122 parts of phosphogypsum, 88-117 parts of red mud, 66-158 parts of lime and 380-460 parts of pulping white mud. According to the modifier, the doping amount of the modifier in the using process is 10-15% of the mass of dry clay, the liquid limit of modified clay is 45-53%, the plastic limit is 33-40%, the plastic index is 13-19, the 7d unconfined compressive strength of the modified clay is 0.4-1.0 MPa, and the soaking 4d CBR strength is 10-20%. The modifier has the advantages that multiple industrial solid waste compound modification is adopted, so that the high-liquid-limit clay is modified from standard waste clay which is not allowed to be used into a roadbed filler capable of being utilized, meanwhile, the construction performance and strength of the high-liquid-limit clay are improved, and the construction cost is lowered.

The invention discloses a municipal engineering construction safety control system and a method based on 3D GIS + BIM technology, includes 3D GIS + BIM technology construction safety control module, server module, VR interaction module, construction safety accident emergency treatment module, construction hazard source identification module, construction period structural stress safety monitoringmodule, construction personnel mechanical safety control module connection, 3DGIS technology construction personnel safety monitoring module and construction machinery operation safety monitoring module; A 3D GIS + BIM model dure that municipal engineering construction period is establish by a 3D GIS + BIM technology construction safety control module, It can realize the dynamic monitoring and safety control of the whole process of municipal engineering construction, let the construction manager master the whole situation, and realize the electronic and information management of municipal engineering construction based on 3DGIS + BIM technology.

An oil for building rod is prepared from medium-temp asphalt and anthracene oil. Its advantages are high stability, quality and content of asphalt, and proper softening point of distilled residue.

The invention discloses a roadbed splicing construction method in expressway reconstruction and extension. The method comprises the following steps: 1, removing surface soil of a roadbed substrate tobe widened, and rolling the substrate after the surface soil is removed before filling; 2, laying geocells on the base, and manually scattering gravels in the geocells; 3, performing slope cutting onthe to-be-widened side of the old roadbed, excavating steps at the slope part from top to bottom, and after the steps are excavated, and laying steel-plastic grids at the roadbed along the step surfaces; and 4, performing layered filling on the roadbed to be widened, and arranging settlement observation points and horizontal displacement observation points in the roadbed filling process. With application of the roadbed splicing method, the new roadbed and the old roadbed are well connected, longitudinal cracks caused by differential settlement of the new roadbed and the old roadbed are avoided, and thus the construction quality of highway reconstruction and extension engineering projects is guaranteed, and the highway construction level of China can be improved.

The invention discloses an intelligent transportation monitoring system based on a cloud platform. The system comprises a cloud platform server, a traffic flow monitoring module, a driving behavior monitoring module, a guidance personnel position acquisition module, a traffic state output module and an alarm module, the traffic flow monitoring module, the driving behavior monitoring module, the guidance personnel position acquisition module, the traffic state output module and the alarm module are all connected with the cloud platform server, the cloud platform server comprises a data storagemodule, a flow analysis module, a flow prediction module and an alarm generation module, the traffic flow monitoring module is used for monitoring vehicle flow information of a monitoring point, the driving behavior monitoring module is used for monitoring abnormal vehicle driving and violation of traffic rules, the guidance personnel position acquisition module is used for acquiring the quantityand distribution of current traffic guidance personnel, the traffic state output module is used for displaying the traffic smooth condition of a current region, and the alarm module is used for givingan alarm prompt to a driver. According to the system, the construction of a smart city is facilitated.

The invention discloses a long-life variable residence, which includes a large space structure, wherein, the large space structure fully adopts variable space inside thereof; and the variable space is designed and constructed by a user. The invention also discloses a construction method for the long-life variable residence, which comprises the following steps: 1) the construction of the large space structure is conducted by a construction unit; and 2) design and construction for the variable space by the user include the design of house types and concrete layout; each pipeline is arranged comprehensively and connected with standpipes among public equipments; a movable overhead floor is installed; the functional separation is achieved through inner movable partition boards according to the design house types; an integral kitchen and an integral washroom are installed, so as to achieve the connection among the integral kitchen, the integral washroom and each pipeline indoors. The large space structure in the invention fully adopts variable space inside thereof, the movable overhead floor layer has the detachable performance, and the pipeline capable of being freely mounted is arranged between the movable overhead floor layer and a lower floorboard, thereby breaking through limitation of difficult reconstruction for the house types of traditional residence.

The invention discloses a sealed wet spraying machine. The sealed wet spraying machine comprises a cylinder body, a material bin hopper, spraying material bins and a driving mechanism, wherein each spraying material bin is provided with a gas inlet and a spraying material outlet; a piston rod extending into the cylinder body is connected to the driving mechanism; material pushing assemblies and anintermediate sleeve are installed on the piston rod; aggregates entering the cylinder body through the material bin hopper can enter one side of the cylinder body at intervals through the intermediate sleeve; and the piston rod can move linearly in the cylinder body under the drive of the driving mechanism, so that the aggregates enter one of the spraying material bins through the material pushing assemblies. The sealed wet spraying machine has the advantages that compressed air in the spraying material bins is kept sealed with a concrete hopper, simultaneous feeding and spraying operations are realized, the working efficiency and the uniformity of concrete mixing are greatly improved, the structure design is skillful the occupied space is small, the maintenance and operation are convenient, the construction level and quality of support are greatly improved, the safety production level is greatly improved, and the construction site environment is greatly improved.

The invention provides a mobile railway station, a matching track network and a combined system of the two, belonging to the field of rail transit and urban rail transit. The combined system deeply integrates railway rail transit and urban rail transit, and changes the fixed train station into a mobile train station, which not only enables the train to get on and off passengers, greatly improves the operating efficiency of the train, and saves about 400 billion trains Occupying fixed assets has also greatly increased the coverage and frequency of train stops, and shortened the waiting time for passengers. At the same time, through the deep integration of mobile railway stations and urban rail transit, it has effectively evacuated the passenger flow of railway passengers and resolved the impact of railway passenger flow on urban traffic. The congestion caused by it greatly satisfies the passenger's demand for nearby rides, improves the quality of railway services, increases the market share of railway transportation, and reduces the harm caused by road transportation to the environment, which has significant social and economic benefits .

The invention provides an intelligent classroom reservation control system and relates to the technical field of electronics. The intelligent classroom reservation control system comprises a mobile terminal, a reservation server and a door control system, wherein a user transmits a reservation request through an application program in the mobile terminal; the reservation server is used for acquiring seat quantity information of classrooms and use information of the classrooms, receiving the reservation request transmitted by the user as well as distributing the classrooms for the user according to the reservation request, the seat quantity information and the use information; the reservation request comprises personal information of the user and the required seat quantity information; and the door control system is used for receiving the distribution information transmitted by the reservation server and is unlocked for the user who accords with the personal information. The intelligent classroom reservation control system can realize online reservation and replace the existing artificial reservation so as to be convenient and efficient and save the learning time of students.

The invention discloses a BIM method applicable to positioning a specially-shaped steel-concrete structural component. The BIM method comprises the following steps of: (1), drawing a three-dimensional stereogram of the component according to a design drawing of a complex specially-shaped structural steel-concrete component; (2), according to the structural performance of the component and a height axis as the direction, performing equidistant or non-equidistant virtual segmentation so as to obtain continuous virtual sections, which are vertical to the component, and numbering the virtual sections in sequence; (3), deriving various section graphs in a CAD format from a revit three-dimensional stereogram, obtaining a common point (0,0,0), labelling three-dimensional coordinates (X,Y,Z) of various ports of the sections, and taking a key section in the design drawing as a re-check section; and (4), guiding field construction, and re-checking the key section in time, wherein the next process only can be constructed after checking is qualified till construction of the specially-shaped component is completed. According to the BIM method disclosed by the invention, the problems of relatively high positioning difficulty and relatively low precision in the existing complex specially-shaped component can be solved; the field construction is guided; therefore, the engineering construction level is improved; and the precision is ensured.

A drill bit cooling dust-proof device comprises an outer cylinder body and an inner cylinder body both in a vertical arrangement, wherein the inner cylinder body is coaxially arranged inside the outercylinder body, an annular cavity is formed between the outer cylinder body and the inner cylinder body, and the upper ends of the inner cylinder body and the outer cylinder body are fixedly connectedthrough an upper annular plate; the lower end of the inner cylinder body is lower than the lower end of the outer cylinder body, and a conical barrel is fixedly connected to the lower end of the outer cylinder body; the structure of the conical barrel is thin in the upper and thick in the lower, the lower end of the conical barrel and the lower end of the inner cylinder body are fixedly connectedthrough a lower annular plate, and a pipe joint is arranged on the upper part of the outer cylinder body; a plurality of nozzles are evenly arranged on the lower annular plate in the circumferentialdirection, and an upper bearing assembly and a lower bearing assembly are arranged on the upper and lower parts of the inner wall of the inner cylinder body correspondingly. According to the device, the spread of dust during the construction of the drill bit is effectively prevented, and an auxiliary effect of cooling the working drill bit is achieved, so that the physical health of constructors is greatly guaranteed, and at the same time, the service life of the drill bit is prolonged, and the construction level is improved.

The embodiment of the invention provides an application method of BIM- and VR-based technology in construction sample board experience. The method mainly comprises the following procedures that a building sample board area is selected, a three-dimensional model is built, a VR experience area is built, and virtual reality is conducted. Compared with a traditional technology, the application methodof BIM- and VR-based technology in construction sample board experience can enable front-line workers to quickly understand building information, grasp the process of construction conveniently, greatly improve the construction level of a project, reduce the construction cost caused by reworking of the project, also ensure the construction quality, and improve the communication effect.

The invention discloses a voltage level uncertainty influence elastic network regression analysis method of a power distribution network. The method comprises the following steps of estimating a voltage expectation value of a node by a point estimation method; building a training sample required by an elastic network algorithm according to the expectation value; determining a leading influence source with the most influence on each node voltage and influence quantity of the leading influence source in each uncertainty source by elastic network regression analysis on the node voltage; building a node-uncertainty influence source correlation matrix according to uncertainty source probability distribution characteristic and a node voltage regression equation; introducing singular value decomposition to obtain an action mode of the uncertainty source on each node voltage and a corresponding node classification result. With the elastic network regression analysis method proposed by the invention, the uncertainty influence and the action mode of the uncertainty source such as a distributed power supply and a fluctuation load in the power distribution network on each node voltage can be quantitatively analyzed.

The invention discloses a water-power engineering earthwork filling-digging feature monitoring method based on a laser scanner. The water-power engineering earthwork filling-digging feature monitoring method is used for monitoring working face three-dimensional features and providing construction information feedback in the filling-digging construction operation process; and the water-power engineering earthwork filling-digging feature monitoring method comprises the following steps that (1) the three-dimensional laser scanner is used in the construction process for conducting three-dimensional laser scanning on filling-digging working faces, and three-dimensional point cloud data of the filling-digging working faces are obtained; (2) the point cloud data are used for achieving three-dimensional modeling and actual scenery copying on the filling-digging working faces based on a reverse modeling technology; (3) three-dimensional analysis is carried out on three-dimensional model information of the filling-digging working faces to obtain filling-digging feature information; (4) filling-digging feedback information obtained through analysis is further fed back on the basis of the filling-digging feature information; and (5) the filling-digging feedback information is sent to a construction site, and feedback control over the filling-digging construction operation is carried out. By means of the method, the technical problems in site construction operation like accurate three-dimensional modeling, filling feature information three-dimensional analysis of water-power engineering filling-digging operation are solved.

The invention belongs to the technical field of electric power, and particularly relates to a bolt connection point stress optimization analysis method. The method comprises node stress optimization analysis in consideration of bolt pre-tightening force and node stress optimization analysis in consideration of ultimate bearing capacity. According to the method, the mechanical properties of 500kV power transmission line iron tower steel and weld joints under the low-temperature condition are studied, the change rule of the mechanical properties of bolt connection nodes with the temperature under the low-temperature condition is analyzed, and the influence rule of the machining process on the mechanical properties of the power transmission tower materials is analyzed; establishing a fine finite element model of the tower material component containing the bolt, researching the stress distribution condition on the tower material component, analyzing factors influencing the stress concentration, researching a method for improving the stress distribution of the component, and optimizing the stress at the joint of the tower material and the bolt. The design and construction level of powertransmission line engineering can be greatly improved, and safe operation of power transmission lines in high and cold areas is ensured.