91 results about "Earthworks" patented technology

A method, apparatus, system, article of manufacture, and computer readable storage medium provide the ability to optimize a design for a vertical road profile. A ground surface profile is obtained. From the ground surface profile, an initial set of points of vertical intersection (PVIs) are obtained. An optimized earthwork cost for the PVIs is determined. The PVIs and curve configurations are then modified to reduce the earth work cost.

The invention discloses a land piling system and method precisely guiding a driver to look for piling points. The method comprises the steps: importing coordinates: importing designed pile site coordinates and elevations; selecting points in a plane; selecting the piling point this time; looking for the point in the plane: moving a piling trolley according to direction prompt information and micro-turning a piling hammer; piling depth control: prompting to control pile stop according to a residual hamming distance; and exporting a report form: exporting time, coordinate, pile height data. The invention discloses the land piling system precisely guiding driver to look for piling points as well. A high-precision positioning GNSS positioner product designed for conditions of a severe construction environment and strong vibration of engineering machinery, the high-precision positioning GNSS positioner product supporting Beidou satisfies centimetre-level high-precision positioning requirements of machinery such as mining machinery, earthwork machinery, construction positioning machinery, piling machinery, transporting machinery, locomotives and the like. The product is the first mechanical positioner at home and is high in reliability.

The invention discloses an air-space-ground integrated road earthwork construction intelligent dispatching and commanding system and method, and belongs to the field of earthwork engineering construction. According to the method, unmanned aerial vehicle scanning three-dimensional modeling is carried out after a Beidou satellite and an unmanned aerial vehicle position punctuation, on the basis of earth volume automatic measurement, air, sky and ground base stations are matched, the field mechanical position is mastered in real time, a scheduling optimization principle and a construction schemeautomatic generation technology are utilized, a scheduling scheme of the road construction machinery is generated and optimized according to the established optimization rule base model, the scheduling scheme is summarized to an on-site mobile command vehicle center for real-time on-site management and scheduling, personalized information is generated, the personalized information is sent to eachmachinery terminal for command operation through an on-site communication command function, a complete integrated mobile intelligent command and dispatch center is established, and therefore the technical problems that in the road construction process, long-time manual calculation is needed for mechanical and other resource dispatch, the updating period is long, and the overall response speed fordynamic change is low are solved.

The invention discloses a construction method of using a down-top method for excavating earthworks in top-down construction. In construction of underground works, a temporary ramp enabling construction vehicles to enter an underground working plane is constructed first; excavation and outward transport of underground earthworks are carried out by the construction vehicles in order to improve excavation efficiency of the earthworks in top-down construction. Down-top excavation of the earthworks in top-down construction can be realized by the aid of a perpetual drive way, and accordingly excavation is accelerated, the defect of lifting massive soil in top-down construction is overcome, and costs on erection and demolition of foundation pit supporting piles are saved. By the construction method, construction period is effectively shortened, safety and stability in basement construction are achieved, construction cost is saved, and construction quality is high.

A construction machine, e.g., a backhoe, has a chassis and a digging tool mounted for movement, e.g., swinging movement, with respect to such chassis. A machine hydraulic circuit includes a pump, a hydraulic actuator coupled to the tool for tool movement, and a directional valve between the pump and the actuator. In several specific embodiments, the circuit includes first and second flow restrictors coupled between the pump and the actuator. There is also a valve device for selectively disabling the second flow restrictor, thereby configuring the circuit to provide either of two maximum rates of tool movement. In other embodiments, the circuit uses a variable delivery, fluid-pumping power source and a load-sensing line coupled between the pump and the actuator. The valve device is in series with the load-sensing line and includes a restriction-free path and a flow-restricted path therethrough, thereby configuring the circuit to provide either of two maximum rates of tool movement.

The invention provides an earthwork volume calculation method and system, and the method comprises the steps: obtaining the current situation data of a field construction site through employing an unmanned plane oblique photography technology, and generating a current situation site live-action three-dimensional model; employing a BIM model for extracting initial terrain data, generating an initial terrain curved surface model, then comparing the two models in software, and calculating the earthwork volume calculated. According to the method, the problems of difficult calculation, large workload, low efficiency, large calculation result error and the like of irregular complex earthwork volume in earthwork engineering are effectively solved, and the method has very high practical value.

The invention discloses an earthwork measurement and calculation system based on an unmanned aerial vehicle surveying and mapping technology. The system comprises an image data collection unit, three-dimensional model making unit and an earthwork measurement and calculation unit. The image data collection unit is connected with the three-dimensional model making unit in series through utilizationof a circuit. The three-dimensional model making unit is connected with the earthwork measurement and calculation unit in series through utilization of the circuit. The three-dimensional model makingunit comprises an equipment selection module, a route planning module and a data collection module. The equipment selection module is connected with the route planning module in series through utilization of the circuit. The route planning module is connected with the data collection module in series through utilization of the circuit. The earthwork measurement and calculation unit comprises a data input module, a model making module, a data correction module and a model display module. The data input module is connected with the model making module in series through utilization of the circuit. The model making module is connected with the data correction module in series through utilization of the circuit. Through utilization of an unmanned aerial vehicle oblique photography technology, image data collection of earthwork is carried out, precise measurement and calculation are realized, and construction efficiency is improved.

The invention relates to a construction method for oblique tunneling of a rectangular pipe jacking machine in a closed space. The construction method is characterized by being composed of the following steps of: sealing a receiving well; sealing a channel access by a rigid retaining wall and backfilling yellow sand by the receiving well; layering and backfilling; paving a steel plate as a platform for the pipe jacking machine to horizontally move; chiseling edge backfilled soil at a concrete edge of a tunnel portal for tunneling; adjusting each parameter and tunneling the pipe jacking machine; stopping and positioning the rectangular pipe jacking machine after tunneling the rectangular pipe jacking machine; grouting pipe sections of a tunnel portal section and closing the tunnel portal; cleaning earthworks and horizontally moving the rectangular pipe jacking machine; straightening the rectangular pipe jacking machine to horizontally move and hoisting in a hoisting hole. The construction method for the oblique tunneling of the rectangular pipe jacking machine in the closed space has the advantages that: the large-angle oblique tunneling problem is solved through the construction; the closed space is formed by backfilling the sand and the soil through the space of a structure of a station and a front cabin has soil pressure in the tunneling process, so as to reach the soil pressure balance; and in the tunneling process, phenomena of water leakage and sand leakage do not happen and conditions of damaging pipelines and grounds of a tunneling region do not occur.

The invention provides a method for managing remedied earthwork volume of a polluted site by combining aerial survey of an unmanned aerial vehicle and BIM technology comprising the following steps: using an unmanned aerial vehicle to carry out data information acquisition on a polluted site, exporting unmanned aerial vehicle data, and in three-dimensional modeling data processing software, outputting point and line data with elevation properties, based on the soil color, the vegetation coverage condition and the position of the waste residue and waste material pile, obtaining an approximate region boundary of the polluted site; collecting soil samples on points near the boundary line to acquire a boundary of an accurate polluted site area importing the data into revit software to generate a three-dimensional original terrain model, and establishing a BIM model; and based on the BIM model, obtaining information data such as excavation work amount, excavation boundary, depth and the like of earthwork, and realizing full-process management and control of a polluted site remediation project. The unmanned aerial vehicle is used for obtaining the panorama of the whole polluted site and generating the three-dimensional live-action model, and the three-dimensional live-action model is combined with the BIM model, so that the manual measurement modeling cost is greatly reduced, the timeliness and authenticity of the polluted site repair construction process are improved, and the requirement of three-dimensional visualization progress comparison is met.

The invention discloses a prediction method and device for roadbed compactness spatial distribution, and belongs to the field of earthwork detection. The method comprises the following steps: S1, determining a rolling compaction research region on roadbed earthwork, carrying out the mesh generation of the research region, and obtaining a compaction parameter corresponding to each mesh; S2, when the vibratory roller carries out compaction quality continuous detection along the rolling belt, keeping the vibratory roller to run forwards and keeping the vibration frequency stable, collecting a vertical acceleration signal of a vibrating wheel on the vibratory roller, and processing the vertical acceleration signal by utilizing a semi-variation function method so as to obtain constraint random field parameters; S3, establishing a complete random field model corresponding to each compaction parameter by using a covariance matrix decomposition method, and performing mathematical transformation on the complete random field model based on a Kriging interpolation method to form a constrained random field model; and S4, predicting the spatial distribution characteristics of the roadbed soil compactness by using the constrained random field model. The construction management level, efficiency and construction quality can be improved.

The invention discloses a water and soil conservation method of an electric power transmission line engineering construction, belongs to the technical field of agriculture, and in particular, relates to the water and soil conservation method of the electric power transmission line engineering construction. The method comprises the following steps: (1) optimizing item design and reducing water and soil loss: a path is optimized; a tower position is optimized; the selection of the tower position in such places of easily causing the water and soil loss as cragged slopes or channel river sides is prevented through a line-position combining mode by fully using the advantages of aerial photo path selection in field positioning; an universal iron tower with different long legs, a high-low foundation and a deep-shallow foundation are used, so that the excavated volume of earthworks, the destruction of vegetation and the water and soil loss can be reduced to the greatest extent; the excavated volume is reduced by a slope folding method in the slope treatment; the optimal design is performed for slope toes of upper slopes; the distances from the slope toes of the upper slopes to a foundation pit in the inner side of the tower position are reduced by combining with actual conditions of the site construction; and the slope toes forward move to reduce a large quantity of the earthworks.

The present invention relates to a method for recycling of synthetic material containing waste. In the process initially in a first step the synthetic material containing waste is crushed to a particle diameter ≦100 mm and then admixed as aggregate in a soil material, in particular in a silt containing soil for the earthworks. The portion of the synthetic material containing waste admixed in the second step is preferably 15 percent by volume to 70 percent by volume. The resulting soil material is in many aspects excellently suited for the earthworks and in particular, for the recultivation or the protection of problematic landfill areas.

The invention provides an earthwork virtual construction method based on the BIM + GIS technology, and the method comprises the steps: collecting the topographic data of a project site through employing the forward and oblique photography technology of an unmanned plane, and forming a database; processing data information by using a Bentley Context Capture to generate a GIS model; and carrying outexcavation and backfill measurement and calculation of an on-site earthwork in the GIS model, and outputting a calculation result; the method does not stay on a traditional square grid method to drawan earthwork balance diagram for rough estimation of the engineering quantity any more, so engineering quantity calculation time is saved, the accuracy of a calculation result is improved, measurement of the distance, the high layer, the area and the size can be directly conducted on the model, excavation and fill can also be directly calculated, and errors are extremely small. The method can also be used for auditing BIM model measurement errors, and the BIM and GIS data are utilized, so the accuracy of earthwork data is doubly guaranteed, and guarantees are provided for reasonably making aconstruction plan, accurately mastering the construction progress and finally settling accounts.

The invention provides a construction method of temporary support for a tunnel face of a rear hole of a double-arched tunnel. Disturbance of rear hole construction to primary support and a secondary lining of a front hole which generally occurs to the front hole is effectively controlled by changing the construction method and sequence of the rear hole and reducing or avoiding the disturbance frequency, range and duration to the constructed front hole, so that the mechanical properties of surrounding rocks are closer to the design, and the quality of the primary support and the secondary lining of the front hole is guaranteed to meet the design and specification requirements. Meanwhile, mechanical crushing is adopted in an area adjacent to the primary support of the front hole, the mechanical crushing effectively ensures that the primary support of the front hole is not damaged, and can effectively control over-excavation and under-excavation of earthworks, thereby ensuring that a steel arch of primary support of the rear hole can be normatively connected with a steel arch of the primary support of the front hole strictly according to the designed and specification requirements. The construction quality of the completed front hole is not affected while ensuring the construction quality of the rear hole, so that the overall quality of the tunnel is guaranteed.

A system for generating earthmoving prescriptions may include an unmanned aerial vehicle (UAV) to be flown across a worksite, at least one sensor supported on the UAV that generates data indicative of a surface profile of a surface of the worksite and data indicative of a plurality of soil layers below the surface of the worksite, and a computing system communicatively coupled to the at least one sensor. The computing system may receive the data indicative of the surface profile of the worksite and the data indicative of the plurality of soil layers of the worksite. The computing system may further receive an input associated with a target profile of the worksite. Additionally, the computing system may generate an earthmoving prescription map that maps the plurality of soil layers between the surface and target profiles of the worksite.

The invention discloses an engineering earthwork metering method based on a point cloud measurement technology. Based on the calculus thought, the operation is fast and convenient; the calculation precision and the calculation efficiency are obviously improved; the robustness is relatively high; the method is suitable for various common earthwork scenes; the calculation precision depends on the quality of the input three-dimensional terrain data; according to the method, high automation can be achieved, only a digital three-dimensional curved surface, underwater measurement data and projectionlattice arrangement parameters need to be input and designed, manual operation is remarkably reduced, and particularly, the method relates to point cloud processing, can be compatibly coupled with alaser scanning technology, an unmanned aerial vehicle photography technology and other new technologies, and has good expansibility.

The invention discloses an entropy weight TOPSIS method based earth excavation machine combination analysis method. The method includes: counting and analyzing different combinations of earth excavation machine construction consumption sample indexes through a mathematic multi-objective decision method, performing sequencing by detecting an Euclidean distance between an analysis object and an optimal solution as well as an inferior solution, and finally determining an optimal earth excavation machine combination scheme. The method combines the entropy weight method and the TOPSIS method to assess an earth excavation machine combination effect, processes the common earth excavation machine consumption data through the entropy theory, determines the weight of all the indexes, applies the weight to the TOPSIS method, and calculates a distance between different kinds of combination scheme data and a positive ideal value as well as a negative ideal value; and the method can analyze the indexes directly from the view of cost consumption, can improve the precision and the practicability of analysis, is simple and easy, can be conveniently used by construction site workers, can remarkably decrease the earthwork construction cost, and can improve the engineering earnings.

The invention relates to a rainy season roadbed earthwork construction structure and a construction method thereof, and relates to the technical field of road construction. The construction structurecomprises a drainage assembly arranged in a settling well; and the drainage assembly comprises a drainage pipe and a hollow filter box, wherein the drainage pipe is communicated with the filter box, and a plurality of filter holes are formed in the side wall of the filter box. During use, the drainage assembly is installed in the excavated settling well, and the drainage pipe is communicated witha municipal pipeline; in the rainy period, rainwater is discharged into the settling well, a large amount of silt in the rainwater is settled to the bottom of the settling well, then, the rainwater enters the filter box through the filtering holes, and finally, the rainwater is discharged into the municipal pipeline through the drainage pipe, so that the rainwater is effectively prevented from being directly poured into the foundation pit to influence construction; and meanwhile, the filtering holes play a role in filtering rainwater, so that a large amount of silt or leaves and other garbageare prevented from entering the municipal pipeline, smooth drainage of the municipal pipeline is guaranteed, the possibility of water accumulation is reduced, and normal construction after raining canbe guaranteed as soon as possible.

The invention discloses a method for preventing upward floating of an existing tunnel during unloading of earthworks, and relates to a foundation pit construction method. The method includes the stepsthat the range and depth of the earthworks needing to be unloaded above the existing tunnel are determined, soil bodies on the two sides of the existing tunnel and located at the peripheries of the earthworks needing to be unloaded are excavated till the depth determined in the step 1, two construction areas distributed on the two sides of the existing tunnel are formed, pile bodies are constructed in the two construction areas correspondingly, pipe-jacking construction is conducted on the bottom of the earthworks, needing to be unloaded, between the two construction areas on one of the two construction areas, a pipe-jacking channel is formed, jacking beams are constructed in the pipe-jacking channel and connected with the pile bodies constructed in the step 3 to form bench piles crossingthe existing tunnel, and after the bench piles are formed, the earthworks needing to be unloaded are excavated. According to the method provided by the invention, the defect of upward floating of theexisting tunnel during unloading can be effectively prevented, and operation is easy.

The invention relates to a method for early warning workers and dynamic hazard sources based on a machine vision technology in the technical field of safety monitoring. The method comprises the following steps: obtaining a monitoring image of a construction site through video data collection equipment, and carrying out target dynamic recognition and tracking on workers and mechanical objects in the image; secondly, automatically extracting key information of a target object in the image according to an image information extraction device, and outputting (di, vi, ci); thirdly, inputting the data into a safety evaluation device, integrating safety risk precursor semantics into a safety state coefficient by utilizing a fuzzy neural network, intelligently judging the safety state of the construction site according to a set safety warning value, and giving an alarm according to the safety state; and finally, returning the safety coefficient and the image to a display screen. According to the method, the machine vision technology and the fuzzy neural network are combined, the early warning system for the situation that the dynamic danger approaches the worker safety state in earthwork construction is constructed through automatic extraction of information in the shot images, operation is easy, the efficiency and timeliness of safety monitoring are improved, and the probability of safety accidents is greatly reduced.

An access system (10) for earthmoving equipment to allow a person to move from ground level to an elevated position, said access system having an access means (20) mounted to the earthmoving equipment via a pivot, and a retraction mechanism (50) therefor, said pivot allowing the access means to be retracted through a compound angle from a downwardly and outwardly deployed position to a retracted position generally adjacent and aligned beside the vehicle, the access means may be collapsible, such as with steps (30) pivotably mounted to the sides of the access means via secondary pivots (62).

The invention relates to the technical field of intelligent construction sites, in particular to an earthwork volume calculation method and device and electronic equipment.The method comprises the steps that image data of a construction area is acquired to determine a real scene model of an area of interest in the construction area; performing terrain filtering processing on the real scene model to obtain a terrain data elevation model of the region of interest; performing gridding processing on the topographic data elevation model to obtain a topographic mesh model; and performing filling and excavation data calculation on the region of interest based on the terrain grid model, and determining a calculation result of the earthwork volume of the region of interest. The real scene model of the region of interest is obtained by using the influence data of the construction region, terrain filtering processing is performed on the real scene model, ground feature data separation is automatically completed, and the terrain data elevation model is obtained, so that manual participation is avoided, and the calculation efficiency is improved; and the topographic data elevation model is subjected to gridding processing so as to carry out filling and excavation data calculation, so that the calculation accuracy is improved.

The invention provides an unmanned aerial vehicle lofting method and system suitable for earthwork, an unmanned aerial vehicle carries a camera and a laser emitting device, and the method comprises the steps that two or more ground control points are arranged on the edge or the outer side earth surface of an earthwork range to be lofted; importing an engineering lofting drawing into flight control equipment of the unmanned aerial vehicle, wherein the flight control equipment is in communication connection with the camera and the laser emitting device; the unmanned aerial vehicle is controlled to fly over the ground control points in sequence, and calibration is carried out; according to the engineering lofting drawing, inputting coordinates of a ground lofting point on the flight control equipment; lofting is started on the flight control equipment, and the unmanned aerial vehicle automatically flies over the ground lofting point; and the laser emitting device is started to emit laser to the ground surface to complete lofting guide. The method is used for process control of earthwork construction and rapid and repeated lofting of the same point location, the requirement for earthwork lofting precision is met, and auxiliary measuring instruments such as a total station and an RTK needed by unmanned aerial vehicle positioning are omitted.

The invention relates to the field of earthwork machinery, in particular to a land leveler. The invention provides a land leveler. The land leveler comprises a rack, a scraper knife and a spiral distributing mechanism; the scraper knife is arranged on the rack; and the spiral distributing mechanism comprises a spiral blade, and the spiral blade is rotatably arranged in front of the scraper knife.On the basis, before the scraper knife is used for paving, the spiral material distributing mechanism is used for distributing materials, the operation resistance of the scraper knife is reduced, theback-and-forth leveling frequency of the land leveler is reduced, material segregation is reduced, and the construction efficiency and the construction quality of the land leveler are effectively improved.

The invention discloses a large-area dredged dredger fill foundation structure and a treatment method thereof. The large-area dredged dredger fill foundation structure comprises a plurality of supporting columns and cross beam cement boards; the cross beam cement boards are connected through the supporting columns; V-shaped connecting frames are connected between the supporting columns; dredged soil is arranged at the top and the bottom of each V-shaped connecting frame; steel frames and first concrete are arranged in the supporting columns; and the V-shaped connecting frames are provided with multiple steel bar frames and second concrete. According to the structure, dredged soil and concrete are fully combined, so that the stability and firmness of a foundation are improved, the overall service life is long, the dredged soil does not need to be conveyed out, filling of other soil is not needed, the building cost is saved, and the building period is shortened; dredged soil is divided into a plurality of regular triangles and inverted triangles, and the regular triangles and the inverted triangles are separated through the V-shaped connecting frames; and water drainage holes and water guide grooves are connected, so that all dredged soil earthworks can be connected, water drainage is conducted, and the problem that a foundation sinks does not need to be worried about.

The invention belongs to the field of earthwork, and particularly relates to an earthwork volume calculation method and system based on point cloud, which comprises the following steps of: obtaining terrain point cloud data and a design plane, and dividing the point cloud data into a plurality of elevation areas; calculating the average value of the point cloud height coordinates in the plurality of elevation areas to obtain the average elevation of the elevation areas; dividing the design plane into a plurality of polygons; judging an elevation area where the vertexes of the plurality of polygons are located, and obtaining the average elevation of the vertexes of the plurality of polygons in the elevation area as the average elevation of the vertexes of the polygons; acquiring the calculated elevation of the polygon by the average elevation of the vertexes of the polygon; acquiring the earthwork volume by the areas of the polygons and the calculation elevation, and judging whether the earthwork volume is the excavation volume or the filling volume according to the positive or negative earthwork volume. On the premise that the calculation precision is guaranteed, the earthwork calculation amount is simplified; and the calculation boundary is consistent with the design boundary, so that the boundary error is avoided.

The invention belongs to the technical field of earthwork engineering, and particularly relates to excavating equipment for muck transportation. The equipment comprises two fixed cylinders. Limit posts are arranged inside the fixed cylinders. The outer surface of each limit post is fixedly connected with the inner wall of each fixed cylinder. A sliding rod is arranged inside each fixed cylinder. The ends, away from each other, of the sliding rods extend to the outside of the two fixed cylinders. A sliding plate is arranged in each of the fixed cylinder. The sides, away from each other, of thesliding plates is respectively and fixedly connected with the ends, close to each other, of the two sliding rods. The equipment achieves the effect of driving a muck collecting frame to collect muck through a second electro-hydraulic rod connected to the right side of a first support plate, and solves the problem of not having the ability to clean the muck at the bottom of a foundation pit. The second electro-hydraulic rod connected to the right side of the first support plate achieves the effect of trimming the inner wall of the foundation pit, improving the problem of not having the abilityto trim a foundation pit wall.

Bucket for an earth-working or materials-handling machine, which comprises a floor and a side wall, and at least one wear component that is removably attached to the floor and the side wall by means of at least one mechanical fastener. The floor and the side wall are disconnectably connected to each other via the at least one wear component so as to form a replaceable bucket corner edge along at least a part of the floor and the side wall.

The invention relates to the technical field of foundation pit supporting equipment. A moisture-trapping loess foundation pit anti-slip electric sintering supporting pile comprises a main pile pipe, an upper pile extension pipe, a core pipe, a steel wire electrode, an expansion anchor top and an expansion anchor top brush ball; the main pile pipe is a plastic steel circular pipe, a plurality of electrode holes are formed in the side face of the main pile pipe, the upper end of the main pile pipe is detachably connected with the upper pile extension pipe, the lower end of the main pile pipe isprovided with the expansion anchor top, the expansion anchor top is composed of an anchor point, at least two anchor rods and an anchor rod hinge shaft, the anchor point is installed at the end of thelower end of the main pile pipe, the anchor rods are symmetrically and obliquely arranged along the central axis of the main pile pipe, and anchor grooves are formed in the side wall of the main pilepipe at the anchor rods; and the core pipe is a cylindrical plastic part and sleeves the upper strut pipe, and the core pipe is provided with an electrode socket, a socket connecting lead and a brushpush rod. According to the moisture-trapping loess foundation pit anti-slip electric sintering supporting pile, under the condition that the earthwork engineering quantity is not increased, the supporting and reinforcing effect close to reinforced soil is achieved in a sintering mode of an electric arc breakdown soil layer, and the safety of the foundation pit operation in the wet-trapping loessenvironment is effectively improved.