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61 results about "Bench marking" patented technology
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Meaning of Bench Marking: According to APQC, “Bench marking is the process of identifying learning, and adopting outstanding practices and processes from any organization, anywhere in the world, to help an organization improve its performance.
Electronic nutrition journal
InactiveUS20080083825A1Accurate informationThe process is simple and convenientData processing applicationsDigital computer detailsWeb siteBench marking
An electronic nutrition journal that can include one or more portable units capable of reading barcodes and serving sizes on consumed food items either on menus or on items purchased. Portable units can communicate with either an intermediate computer or directly with a server computer that contains a master nutritional database relating nutritional data with bar codes. This master nutritional database can be updated by either user input such as user preferred menus or by visiting websites that contain this data. An external barcode generator can be operated to produce barcodes for commercial operations that sell food such as restaurants, food trucks, vending machines or others so that barcodes can be established for their menus or selections. The intermediate computer or the server can track food intake and provide computations of nutritional values, bench marks, etc. a particular user or for many users. The server and master nutritional database, as well as coding of restaurant menus, etc., can be run as a service that a user could subscribe to.
Owner:YANG HENRY +1
Soft stop-proof hook head of a measure tape
InactiveUS6874245B2Enhancing slide-stop effectGood effectRulers for direct readingMeasuring tapesElastomerBench marking
A soft stop-proof hook head of a measure tape is located at one end of the measure tape and comprises a ruler hook. A surface of a ruler hook is enclosed by a soft elastomer. The soft elastomer is made of a flexible material. When the soft elastomer is pressed, it generates an elastic resistance; in measuring, the ruler hook is coupled to a measured bench mark of an object to be measured with a slide-stop effect. Moreover, the soft elastomer is extended with a slide piece for enhancing the slide-stop effect.
Owner:FIRST MEASURE IND
Identity validation and verification system and associated methods
A computer implemented system and method verify and validate a user identity for enrollment in a secure personal dataset accessing system. A personal dataset includes identifiable attributes of the user. Using a computer, authenticity of an asserted user identity includes electronically verified identifiable attributes to form the personal dataset. A biometric identifier of the user is automatically captured for validating the identifiable attributes by confirming that the asserted identity matches the identifiable attributes. A traceable e-audit trail is provided in an enterprise infrastructure and bench mark performance indicator. A digital security element is generated and results in the user electronically receiving a password and a unique electronic address is assigned to the user. The digital security element is then transmitted to the user from the computer and enables electronic access to the personal dataset relating to the user, the personal dataset having been authenticated through the verification and validation.
Owner:KRAGH JAMES F
Device and method for calibrating plumb aligner
The invention discloses a device for calibrating a plumb aligner. An upright column is provided with a plumb aligner holding cabin and an operating platform which are connected with a laser mirror cabin through a supporting column; the laser mirror cabin is connected with a fine adjusting cabin through a supporting column; the fine adjusting cabin is provided with a rough adjusting head; and the rough adjusting head is provided with a plurality of rough adjusting bolts. The invention provides the device and a method for calibrating the plumb aligner, which are used for calibrating a sight axis and a laser optical axis by taking a vertical axis and a zenith / nadir sighting mark (or remote fixed sighting mark) of the plumb aligner calibrated by a water level as dynamic bench marks. In the calibration process, the calibrated plumb aligner always keeps the leveling state during use, the target seeking task is completely finished by the zenith / nadir sighting mark, and therefore, the influence of included target seeking of the plumb aligner in the traditional method on the indeterminacy of a calibration result is greatly reduced. In addition, fewer adjustment times, shorter adjustment time, higher correction precision and more convenience for operation are realized.
Owner:宜昌市计量检定测试所 +1
Special dual-component road bench mark coating material for cement pavement and producing method thereof
The invention relates to a cement road special dual-group road mark dope, and relative production, for making the cement road with high adhesive force. The invention comprises A and B components, wherein the A component comprises 70-90 deals of epoxy resin, 10-20 deals of solvent, 20-30 deals of titanium dioxide, 1-5 deals of elasticizer, 0.1-0.3 deals of ultramarine, 0.1-0.3 deals of ultraviolet absorber, and the total deals are 140, and the B component comprises 35-45 deals of modified aliphatic amine, 5-8 deals of phosphate ester, 15-20 deals of fly powder, 5-10 deals of titanium dioxide, 1-4 deals of elasticizer, 1-3 deals of 2, 4, 6-3 (dimethylin methyl) fenol (DMP-30), 0.1-0.3 deals of anti-oxidant, and the total deals are 70, while the A and B components are mixed at 1-5:1 ratio. And the invention prepares A and B components respectively to be mixed when in use.
Owner:山西长达交通设施有限公司
Method for correcting wind directions of wind data based on azimuth deflection method
The invention discloses a method for correcting wind directions of wind data based on an azimuth deflection method. The method is characterized in that the original point of a rectangular coordinate system is taken as the center, the monthly wind roses of X year of a long-term weather bench-mark station C of a wind power plant or an air-cooled power plant are entirely deflected by j angle units clockwise one by one, wherein j is equal to 0, 1,..., 15; the deflected wind roses are compared with the monthly wind roses of each year of D year and Yi year, wherein I is equal to 1, 2,..., 10; a difference index corresponding to each deflection angle is calculated, and then the most similar corresponding optimal deflection angle delta of each corresponding wind rose is obtained. The method provides a basis for correcting hourly wind directions of a measured year in an engineering site into the hourly wind directions of a year to be figured out, and can be applied to wind direction correction under the circumstance of long distance between the long-term weather bench-mark stations and engineering sites such as offshore or in-the-sea wind power plants and air-cooled power plants.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST
On-site monitoring and evaluation method for settlement of pile foundations
InactiveCN101691764ATimely reinforcementGuarantee the safety of useFoundation testingSite monitoringBench marking
The invention relates to on-site monitoring and evaluation control for adjacent viaduct pile foundations of a subway, and particularly discloses an on-site monitoring and evaluation method for the settlement of pile foundations, which comprises the steps of: setting a bench mark in an on-site monitoring area by using a precise levelling instrument and an indium steel ruler and forming a bench mark network; taking a bench mark control network as a benchmark to, acquire height data of the pile foundations, and collating the height data to obtain settlement displacement values according to a time sequence; and sorting the pile foundations into four types according to the settlement displacement values, and processing different types of pile foundations respectively, in particular reinforcing A type of pile foundations in time. The method realizes the on-site effective and timely monitoring and timely reinforcement on adjacent construction of underground engineering, overcomes the potential hazard caused to engineering construction by the lack of timely on-site monitoring, and has an important significance in controlling the settlement of the pile foundations caused by the adjacent construction and ensuring the use security of an adjacent building.
Owner:SOUTHWEST JIAOTONG UNIV
Test system for vehicle acoustical power and test method thereof
The invention provides a test system for a vehicle acoustical power. The test system includes a noise sensor, a pulse signal sensor and a signal acquisition device. The noise sensor is installed on an acoustical-power to-be-tested part of a vehicle. The pulse signal sensor is installed at the position of a vehicle crankshaft belt pulley. Both of the noise sensor and the pulse signal sensor are connected with the signal acquisition device through wire harnesses. The test system is capable of carrying out acoustical power test on main noise sources at different parts under a real-vehicle state, such as engine acoustical power, gas vent nozzle acoustical power and tyre acoustical power and the like. The test system reflects fully the acoustical power levels of the main noise sources under a real-vehicle operating work condition so that defects of current acoustical-power bench testing are compensated for. The test system is capable of obtaining effective comparison data and has a significance effect on a vehicle model development period and comparison work of noise levels of a competitive-product vehicle and a bench marking vehicle; and the whole set of system is convenient to arrange and a test method and a data processing method are simple and easy to use.
Owner:CHINA AUTOMOTIVE TECH & RES CENT
Electronic nutrition journal
InactiveUS7837111B2Accurate informationThe process is simple and convenientData processing applicationsNutrition controlServing sizeBench marking
An electronic nutrition journal that can include one or more portable units capable of reading barcodes and serving sizes on consumed food items either on menus or on items purchased. Portable units can communicate with either an intermediate computer or directly with a server computer that contains a master nutritional database relating nutritional data with bar codes. This master nutritional database can be updated by either user input such as user preferred menus or by visiting websites that contain this data. An external barcode generator can be operated to produce barcodes for commercial operations that sell food such as restaurants, food trucks, vending machines or others so that barcodes can be established for their menus or selections. The intermediate computer or the server can track food intake and provide computations of nutritional values, bench marks, etc. a particular user or for many users. The server and master nutritional database, as well as coding of restaurant menus, etc., can be run as a service that a user could subscribe to.
Owner:YANG HENRY +1
Wind measurement data wind speed correction method based on probability distribution transfer
ActiveCN104036121ASimple and fast operationEasy to implementSpecial data processing applicationsCorrelation coefficientBench marking
The invention discloses a wind measurement data wind speed correction method based on probability distribution transfer. The method comprises the steps that firstly, statistical description is carried out on wind speed through a Weibull distribution function; then, the wind speed probability distribution estimated values of an actual measurement year long-time meteorological station, an actual measurement year wind field observation station, a representative year long-time meteorological station and a representative year wind field observation station corresponding to the ith sequence number are respectively calculated; finally, the wind speed is actually measured by the actual measurement year wind field observation station corresponding to the ith sequence number according to hourly wind speed data and the probability distribution estimated values, and the correction wind speed of the representative year wind field observation station corresponding to the ith sequence number is calculated through a probability distribution identical difference value transfer method or a probability distribution identical multiple proportion transfer method. According to the probability distribution transfer method for wind speed correction, the defect that common correlation coefficients in an existing correlation analysis class method are too low and have to be used for correction is overcome, and the method can be suitable for wind speed correction under the conditions that the distance of project sites of an inshore or offshore wind plant and the like and a long-time meteorological bench-mark station is too far or the correlation of the existing method is poor.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST
Generation method and device for training samples
ActiveCN107622056AReduce workloadImprove labeling efficiencySpecial data processing applicationsBench markingWorkload
The embodiment of the invention discloses a generation method and device for training samples. The method comprises the steps of training a standard scoring model through utilization of a marked sample and generating an adjustment training model; inputting a to-be-marked sample into the adjustment training model and generating a model score corresponding to the to-be-marked sample; determining a marking sample score corresponding to the to-be-marked sample according to an association relationship between a sample score of the marked sample and the model score of the marked sample, and the model score corresponding to the to-be-marked sample; and marking the to-be-marked sample through utilization of the marking sample score and generating a newly marked sample. According to the technical scheme provided by the invention, the technical problem that a manual training sample marking mode is high in obtaining difficulty and long in marking time period and the accuracy cannot be ensured issolved, the manual training sample marking workload is reduced, and the training sample marking efficiency is improved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Method for determining crowd test feedback effectiveness, test device and system
The invention discloses a method for determining crowd test feedback effectiveness. The method is applied to a crowd test system which comprises a test device and multiple user devices, and a crowd test application is installed on each user device; the method comprises the steps that a test task is pushed to each user device through the corresponding crowd test application, and test feedbacks, sent by the user devices taking part in tests, of the test tasks are received, wherein the test feedbacks comprise test cases with performed marks; the number of performed benchmark test cases is determined from the test cases with the preformed marks, and the coverage rate of the benchmark test cases performed by the test feedbacks is determined according to the number and the amount of the benchmark test cases known in advance; when the coverage rate of the performed bench mark test cases is larger than a first threshold value, the test feedbacks are determined to be effective test feedbacks. According to the method for determining the crowd test feedback effectiveness, the test feedbacks can be analyzed first, the feedbacks are adopted after it is determined that the feedbacks are effective feedbacks, and therefore the test efficiency is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Hot melt type vibration gage mark coating
The invention discloses a melt vibrating bench mark paint, which is characterized by the following: the paint is composed by following mass percent raw material: 15-12% C5 resin, 5-2% titanium white, 1.3-1.0% EVA, 35-32% quartz sand, 35-32% heavy calcium carbonate, 12-10% glass bead, 1.0-0.8% vegetable oil, 1.3-1.0% polyethylene wax and 0.04-0.02% ultramarine; the product is a new type road safety gage mark material; the method chooses single-purpose glass micro bead with refractive index table bigger than 1.5. This material possesses bloomy look and reflecting characteristics, which can be used to urban road, suburb road, airport and highway widely.
Owner:周鹏
Measuring method on the bridge at the second-class benchmarking point
ActiveCN102288156AHigh measurement accuracyThe measurement mode is reasonableHeight/levelling measurementBench markingEngineering
The invention discloses a second-class bench mark on-bridge measurement method, which is characterized in that under-line bench marks and on-bridge bench marks are respectively arranged at a first bridge pier to be measured and a second bridge pier to be measured; by utilizing two known elevation control points which are positioned at different positions, the elevation difference between each elevation control point and each under-line bench mark can be respectively obtained through a back-and-forth measurement mode complying with the line of a level; the elevation difference between each under-line bench mark and each on-bridge bench mark can be measured by utilizing a full-station measurement instrument; the elevation difference between the two on-bridge bench marks can be measured by an electronic level; and finally, the elevation of the first on-bridge bench mark and the second on-bridge bench mark can be obtained according to a compensating computation method. The invention is used for determining the elevation of a high pier, and has the advantages that the measurement process is more convenient and fast, the measurement precision is higher, and the construction requirement can be met.
Owner:THE FIRST ENG CO LTD OF CTCE GRP
Method to determine performance of a chiller and chiller plant
A chiller and chiller plant monitoring method that provides real time performance and benchmark parameters using condenser water temperatures and flow rates to determine crucial performance metrics. A customized chiller model developed with algorithms to make comparative analysis for different operating scenarios. By applying a customized model for the supporting equipment, the entire plant can be monitored for performance. Actual operational metrics are compared with bench mark models to provide real time analysis of energy demand. The model also produces a control formula for condenser water reset. And defining the plant as a chilled water production system separate from the distribution system allows comparison with many with dissimilar operations.
Owner:CHILLER PLANT OPTIMIZATION LLC
Rail traffic catenary system and conductor rail measuring method based on rail foundation pile control network
InactiveCN103276644AHigh precisionRealize "trackless" measurementMeasuring apparatusBench markingLevel measurement
The invention discloses a rail traffic catenary system and conductor rail measuring method based on a rail foundation pile control network. The method includes on-site pile delivery, calculation of interior work, center line measurement and level measurement, setting out and piling and settlement of interior work. The center line measurement includes 1, delivering the piles according to a route design drawing; 2, measuring the center line by a coordinate setting-out method; and 3, measuring level. Pile delivery documents include rectilinear and curvilinear permanent and added temporary bench marks, a king-pile mileage chart, a uniform mileage chart, a uniform mileage and construction mileage comparison chart, a slope chart and a leveling point chart, and guide line pile coordinates provided by design and a position distribution chart thereof. The rail traffic catenary system and conductor rail measuring method has the advantages that rail-less measurement is realized, technical support for accurate measurement is provided, and accuracy of hanger mounting and adjusting is improved greatly.
Owner:中铁七局集团电务工程有限公司
Forced centering plate and embedding method
The invention provides a forcing centering plate, comprising a centering plate (1). A central hole of the centering plate (1) is provided with a connecting bolt (2); the centering plate (1) is also provided with a bench mark (3); the bottom of the central hole of the centering plate (1) is provided with a connecting pipe (6) and a PVC pipe (4) which is connected with the connecting pipe (6); and the bottom surface of the centering plate (1) is also provided with at least two fixed reinforcing steel bars (5). The forcing centering plate has the advantages that a key part is made of a stainless steel material which is not easy to rust, can ensure the centering precision and has long service life; the top adopts an opening structure, thus eliminating the hidden trouble of damaging, rusting and the like; a rainwater guide hole ensures the centering hole not to be blocked; the embedding depth of the underground part of a centering observation pier is more than 1.5 times of the ground height, thus effectively preventing the inclination of the observation pier and reinforcing the stability of the observation pier.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC
A method for image de-marking base on generating antagonistic neural network
ActiveCN109472757AGood image restorationWell repairedImage enhancementImage analysisDiscriminatorPattern recognition
The invention discloses a method for generating an image de-marking of an antagonistic neural network, which comprises the following steps: S10 constructing a training data set and a test data set; S20 constructs a generator network for generating an image without a stage mark according to the input stage mark image and the stage mark mask image; S30, a discriminator network is constructed and connected with the output end of the generator network, and the discriminator network is used for judging the true image without bench mark and the image without bench mark output by the generator network; S40 trains the generator network and the discriminator network according to the training data set; S50 uses the trained generator network to de-label the test data set. The effect of the generatornetwork is obviously better than the traditional algorithm. In most scenes, the residual traces of the marker can not be seen. The image restoration degree is good, and the image distortion is not easy to occur in the restoration area.
Owner:央视国际网络无锡有限公司
Method and device for decoding broadcast channel (BCH) code
The embodiment of the invention provides a method and device for decoding a broadcast channel (BCH) code. The method comprises the steps: computing a syndrome according to a receiving code; solving the polynomial of an error position according to the syndrome by an iterative algorithm; confirming the error position according to the polynomial of the error position by a money type search algorithm; and correcting an error value on the confirmed error position to obtain a recovering code. The method and device for decoding the BCH code of the embodiment can optimize a parallel bench mark (BM) iterative algorithm on the resource and the speed by improving the riBM algorithm.
Owner:HUAWEI DIGITAL TECH (CHENGDU) CO LTD
Calibration benchmark construction ruler and method for wall plastering construction benchmark calibration by applying calibration bench mark construction ruler
ActiveCN102312549ASimple structureReasonable designBuilding constructionsBench markingArchitectural engineering
Owner:DONGGUAN CAILI BUILDING MAINTAIN TECH
Double layer alignment device and double layer aligning method
ActiveCN107329379AInfluence of Calibration AccuracyImprove alignment accuracySemiconductor/solid-state device detailsPhotomechanical apparatusBench markingFixed frame
The invention provides a double layer alignment device, which includes a fixing frame, and a first measurement apparatus and a marking plate arranged on the fixing frame, wherein the marking plate is provided with a frame fixing mark, and a moving bench, and a reference mark, a moving bench mark, and a second measurement apparatus that are arranged on the moving bench. The relative positional relation between the reference mark and the moving bench mark is measured through the first measurement apparatus, and the relative positional relation between the reference mark and the frame fixing mark is measured through the second measurement apparatus, so that the final relative positional relation between the moving bench mark and the frame fixing mark is obtained. The moving bench is moved to a set position according to the final relative positional relation. The invention correspondingly provides a double layer aligning method. Only moving bench in the system is a moving part. A static calibration method is used to calibrate a coordinate relation, and the calibration accuracy is not affected by position accuracy of the moving bench, so that the alignment accuracy is improved. Through the design of dual lenses or multiple lenses, the apparatus is flexible in arrangement and improved in alignment efficiency.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
Method for directly performing three-dimensional model transformation with three-dimensional bench marks
InactiveCN1804904AShorten operation timeImprove operation accuracy3D-image rendering3D modellingInternal memoryComputational science
The invention relates to a method for using three-dimensional mark point directly to do three-dimensional model deformation in the field of image processing technology. It comprises the following steps: 1)normalizing the top point data at the range of [-1ú¼1], using a cube with the edge length 2 to limit it; 2) transferring the screen obtained points into boundary beacon, complementary operating the screen obtained Y coordinate, reading the current frame buffer in the internal memory, at last computing the three-dimensional coordinate point; 3) preserving the three-dimensional mark points, obtaining another model corresponding position mark point; 4) using thin plate stripe bracketing method to do elastic deformation, using the three-dimensional points to displace the two-dimensional points to directly obtain the new coordinate.
Owner:SHANGHAI JIAO TONG UNIV
Method for detecting depth of underground pipelines
The invention relates to a method of for detecting the depth of underground pipelines, which comprises the following steps: (1) connecting a probe with a hydraulic tank as well as a signal acquisition instrument by cables, connecting a rope to the probe; (2) threading a detecting rope in an empty sleeve of a to-be-detected well embedded with pipelines by a threading device; setting a bench mark near an end well on the ground; measuring the elevation of the bench mark by a geometric leveling method; (3) measuring the relative height of the bench mark bya hydraulic sensor and driving the probe to move in the empty sleeve, meanwhile, measuring the heights of the hydraulic sensor in different positions; (4) calculating horizontal shift distance L of a detected point according to the Pythagorean proposition; and (5) summarizing to obtain embedding depths of the pipelines embedded in different distances. The method effectively avoids the interference between to-be-built underground projects and the embedded pipelines, meets building requirement of modernized urban underground projects, and facilitates construction of the urban underground projects.
Owner:李红梅
Slope, angle measuring instrument
InactiveCN1869588AAccurate measurementSimple structureIncline measurementObservational errorBench marking
The invention relates to grade angle measuring apparatus which belongs to measuring apparatus. It is made up of worm, worm wheel, manual knob, once dial, level bar, level bench-mark bubble, guiding rule, secondary dial, and vernier dial. The worm is fixedly connected to the manual knob. The worm wheel is fixedly connected to the level bar. The guiding rule is hinged on worm and worm wheel. The once and secondary dials are fixed on the guiding rule. The manual knob is set vernier dial. It can be used to exactly measure grade and angel in building engineering. And it has the advantage of simple structure, small size, high precision, and little measuring error which is not bigger than one in a thousand degrees.
Owner:辽宁建筑职业技术学院
Bearing gasket machining technology
The present invention provides a kind of bearing washer processing technology, comprises the following steps: a, stock preparation, selects the bar stock of corresponding material; . The fitter scribed and pierced the wire hole; d. Wire cutting, wire cutting the inner hole of the bearing washer and cutting the bar material into shape, leaving a margin of 0.4-0.6mm for the thickness of the washer; e. Heat treatment, heat treatment to ensure the gasket The hardness is 58‑62HRC; f, grinding machine finish machining, the grinding machine finish machining the bearing gasket to the size requirements; g, flaw detection test, conduct flaw detection test on the processed bearing gasket. The bearing washer processing technology of the present invention has the advantages of simple procedure, convenience and quickness, low processing cost and convenient batch processing.
Owner:方芳
Water landscape design method enabling flow characteristics of tidal floods rarely happening to reappear scientifically
The invention provides a water landscape design method enabling flow characteristics of tidal floods rarely happening to reappear scientifically. Actual measurement terrain, geological data and hydrologic data of a natural river course are collected; the range of model, the number of section boards and adopted materials are determined according to a similarity criterion; a lofting section is selected from an actual measurement topographic map, and a model section board the same as a natural riverbed in form is manufactured; a control wire of the model is determined, a model side wall line is designated, a horizontal control network and a vertical control network are made, a bench mark is set, and the model is installed according to a river course topographic map; actual measurement runoff flow hydrographs and river mouth actual measurement tide tide-level hydrographs of dry season typical days and flood typical days of a natural river hydrometric station are verified; flow rates of corresponding sections of a natural riverbed are verified; erosion and deposition verification is carried out on the actual measurement topographic map of the natural river course and the model before and after channel forming discharge occurs; a water circulation system is established, so that water landscapes designed according to the method have extremely high academic value and added economic value.
Owner:FUJIAN PROVINCIAL INVESTIGATION DESIGN & RES INST OF WATER CONSERVANCY & HYDROPOWER
Detection method for assembled floor-board water absorption expansivity
ActiveCN101482485AImprove work efficiencyUsing mechanical meansMaterial analysisCRITERION STANDARDBench marking
The invention discloses a detection method of water absorption expansion rate of assembled floors, comprising the following steps: 1) assembling four floors wherein the middle two floors are arranged in vertical line shape and another two floors are arranged at the two horizontal sides of the two middle floors, the four floors are in the shape of a Chinese character 'zhong'; 2)respectively making five bench marks respectively in the middle point of the assembling point of the middle two floors, respectively arranged at the upper and lower 1 / 4 floor-length position at the horizontal sides of the two middle floors and measuring the floor thickness h1 of the five mark points; 3) covering the five bench marks by a water absorption sponge for two hours and measuring the floor thickness h1 of the five mark points h2, and then calculating the floor thickness water absorption relative expansion degree, if one bench point is larger or equal to 3%, the floor of the batch is not qualified. The detection method simulates the water absorption expansion process of the composite floor to constitute the calculation method capable of more practically characterizing the relative water absorption expansion degree of the finished composite floor and the qualification criterion standard.
Owner:圣象实业(江苏)有限公司
Skill evaluation
Owner:拉姆·斯里坎茨·米拉伊
Concrete bench mark monument for mounting displacement sensor and elevation observing and calculating method thereof
ActiveCN107063178AReduce the frequency of joint testingSolving elevation observation problemsHeight/levelling measurementPermanant marksBench markingStructural engineering
The invention discloses a concrete bench mark monument for mounting a displacement sensor and an elevation observing and calculating method thereof. The displacement sensor is arranged in the conventional concrete bench mark monument, and is connected with a drill hole anchoring end with a certain design depth through a connecting rod. When the concrete bench mark monument on the earth surface sinks, the sensor is driven to be deformed synchronously, readings of the sensor at each observing time interval are recorded through a portable reading instrument, sinking deformation of the bench mark monument relative to the anchoring end is calculated, and working starting point elevations of the bench mark monument at each observing time interval are calculated according to a connection surveying result obtained after connection surveying with a datum mark. By adopting the concrete bench mark monument, the problem of working starting point elevation observation of the bench mark monument at each observing time interval in a connection surveying period is solved, the working base point accuracy of the conventional concrete bench mark monument is increased, and working reference point and reference point connection surveying times of the bench mark monument are reduced; the concrete bench mark monument can be widely applied to settlement measurement work of engineering foundations, bases, upper structure and sites in industrial and civil buildings, municipal traffic, hydraulic engineering and the like.
Owner:CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES
Method for monitoring construction effect of foundation pit support piles below elevated high-speed railway line
ActiveCN108316364AFully play the role of monitoringPlay a monitoring roleFoundation testingBench markingGround settlement
The invention discloses a method for monitoring construction effect of foundation pit support piles below an elevated high-speed railway line. Through the method, the problem that the foundation pit monitoring criterion is not suitable for high-speed railway elevated foundation pit excavation monitoring in the prior art is solved. The method has the beneficial effect of being capable of guaranteeing safety operation of a high-speed railway elevated bridge. According to the scheme, the method for monitoring the construction effect of the foundation pit support piles below the elevated high-speed railway line comprises the following steps of (1) making monitoring plans, including layout schemes of bench marks, ground settlement monitoring points and deep soil displacement monitoring points,according to the support pile construction scheme and the situation that the support piles approach to an elevated high-speed railway foundation and conducting construction; (2) conducting monitoring;(3) analyzing monitoring data to judge the range and degree of the effect of the support pile construction process on displacement fields of soil bodies approaching to the support piles, determiningthe effect of the support pile construction process on the elevated high-speed railway foundation and then judging the effect of the support pile construction effect; and (4) giving an early warning on a construction party according to the effect, obtained by analyzing the monitoring data, of the support pile construction effect.
Owner:SHANDONG UNIV
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