17 results about "Standard penetration test" patented technology

The utility model belongs to the field of dynamic sounding, and particularly relates to an anti-rebound protection device of a standard penetration test hammer, which comprises a sounding support, a buffer port is arranged on one side of the sounding support, a buffer support is slidably mounted on the inner side of the buffer port, and a buffer mechanism is arranged on the buffer support. A guide hole is formed in one side of the buffer support, a penetration hammer is slidably mounted on the inner side of the guide hole, an annular protrusion is arranged on the outer side of the penetration hammer, a penetration device is arranged at the bottom of the penetration hammer, a locking shell is fixedly mounted at the top of the penetration device, and a locking mechanism is arranged on the inner side of the locking shell. According to the utility model, when the injection hammer hits the injection device, the injection hammer can be clamped, the danger caused by overhigh rebound height of the injection hammer can be prevented, and through the arranged buffer mechanism, the rebound force of the injection hammer can be effectively buffered, the rebound of the injection hammer is further prevented, and the safety of equipment is increased.

The present disclosure provides a monitoring system and method for standard penetration under a floating platform, a medium and an electronic device, and relates to the technical field of survey management. The monitoring system comprises an inertial measurement unit, a navigation positioning unit, at least one laser displacement sensor, a standard penetration adjustment system and a data processing unit. The data processing unit is configured to acquire detection data sent by the inertial measurement unit, the navigation positioning unit and the laser displacement sensor, determine a deviation type and a deviation degree of the standard penetrator according to the detection data, determine an adjustment instruction according to the deviation type and the deviation degree of the standard penetrator, and send the adjustment instruction to the standard penetration adjustment system to perform an adjustment operation, so as to control the standard penetrator to align with a standard penetration test point. The present disclosure can improve the accuracy of the standard penetration test result.

The utility model particularly relates to a standard penetration test device based on automation. In the application, the guide rod is arranged to guide'vertical falling 'and'vertical lifting' of the standard hammer, and on the basis, the chain is driven to move through the upper gear and the lower gear, so that the standard hammer which freely falls to the bottom is lifted to a preset initial falling height in a reciprocating manner based on the release arranged on the outer side of the chain, and continuous and constant-speed automatic hammer falling hammering is realized; through mechanical automatic assembly line transmission, manual operation can be liberated, and the test efficiency is improved while the test operation risk is reduced. The preset initial falling height and the preset grounding height of the standard hammer can be accurately controlled by adjusting the set heights of the upper gear and the lower gear in combination with actual working conditions; and in combination with the revolutions of the upper gear and the lower gear, the falling striking times of the standard hammer are counted, and the accurate striking times of the standard hammer are visually displayed on the basis of a counting display screen. Therefore, the test measurement error is greatly reduced.

This invention discloses a three-dimensional stratigraphic modeling method for borehole strategy optimization, comprising the following steps: integrating discrete standard penetration test data, continuous static cone penetration test data, predicted unsampled location data, and existing stratigraphic data into multi-confidence geological exploration data; generating virtual boreholes with stratigraphic rationality using the GA-Stacking machine learning algorithm based on the multi-confidence geological exploration data; performing stratigraphic attribute modeling and interface reconstruction using the radial basis function implicit modeling method based on the original exploration data and virtual borehole data; and conducting uncertainty assessment and borehole layout optimization based on the constructed stratigraphic model. This invention addresses the impact of the sparsity of the original exploration data and the randomness of the modeling process on the accuracy of stratigraphic modeling by proposing an ensemble learning implicit stratigraphic modeling method based on multi-source sparse geological exploration data, providing an effective approach for refined stratigraphic modeling and a scientific basis for geological exploration borehole layout.

The utility model discloses an in-situ standard penetration test device, and relates to the field of standard penetration tests. The device comprises a penetrometer; the sleeve is connected with the penetrometer, and a guide groove is formed in the sleeve; the piercing hammer is positioned in the guide groove and can slide along the guide groove; the automatic unhooking mechanism is located in the guide groove and used for lifting the piercing hammer to a certain height and then releasing the piercing hammer; the hoisting mechanism is used for driving the automatic unhooking mechanism to move up and down; and the guide rod is vertically arranged in the guide groove and is used for ensuring that the piercing hammer is kept vertical in the falling process. The device has the beneficial effects that hammering energy is transmitted to a test soil layer through a rod piece system, and the connection time of rod pieces affects the test implementation efficiency; therefore, according to the scheme, the hammering device and the penetrometer are directly hoisted to the test position by adopting the flexible rope, so that the test installation time is saved.

The present disclosure relates to the technical field of water survey, and provides a water standard penetration test method and device. The method comprises: collecting current water environment data of a water test site of a standard penetration test at a current time, predicting an interval length and amplitude of a next wave of the water test site according to the current water environment data; determining a first influence intensity of the next wave of the water test site on the standard penetration test according to the interval length, the amplitude of the next wave and a drill rod length of a standard penetration test device; determining an adjustment coefficient of a control parameter of a controller in the standard penetration test device at the current time based on the interval length, the amplitude of the next wave and the first influence intensity, so as to adjust the control parameter; and driving a servo hydraulic system in the standard penetration test device to perform a standard penetration operation based on the controller adjusted according to the control parameter. The present disclosure can improve the accuracy of the water standard penetration test.

The application discloses a bridge site area concealed geological anomaly body exploration method based on a hole-in-fall weight seismic source, a receiving survey line is laid out in a bridge drilling construction survey area, a standard penetration test or a conical dynamic penetration probe ramming rock-soil layer vibration is used as a seismic exploration seismic source in in-situ drilling test, a plurality of three-component seismic detectors are laid out along a bridge longitudinal section or a transverse section axis where the drilling is located and receive the vibration signals, single-shot seismic records are formed by collating, a diffraction wave event horizon generated by a concealed geological anomaly body is identified, a diffraction wave is extracted by using time-frequency conversion and a polarization parameter is solved, a diffraction wave propagation space line is constructed based on a rectangular coordinate, a diffraction wave propagation path nearest point coordinate of a detector pair is determined by using a space straight line projection method, and an inversion result profile is formed by a discrete grid point number statistical heat map, a diffraction wave occurrence position is identified, and the concealed geological anomaly body is explained.

The invention provides a standard penetration test measuring method based on machine vision. The measuring method comprises the following steps of: vertically mounting a height reference rod beside a standard penetration test drill rod, and erecting a high-altitude target camera at a position which is 2.5-3.5 meters away from a test device to record a video of the whole test process; carrying out target detection frame by frame for all videos in the test process, forming an original height sequence of the hammer body at different moments in the standard penetration test process, carrying out Gaussian smoothing processing on the original height sequence, calculating a motion trend by adopting a sliding window difference method, and judging the state of the hammer body; and obtaining the initial position coordinate of each hammering and the end position coordinate of the hammering through the original height sequence of the hammer body, calculating the difference between the initial position coordinate and the end position coordinate as the pixel displacement corresponding to the hammering, and converting the pixel displacement into the actual penetration depth of each hammering. According to the invention, through the machine vision technology, the motion state identification and the strike number of the standard penetration hammer are realized, the operation efficiency is obviously improved, a reliable scale coefficient can be obtained, and the anti-interference capability is strong.

The utility model discloses a standard penetration test or detection device of dynamic sounding test, including setting in the tubular frame of test pole outside, and the three above -mentioned depth measuring roller of uniform distribution around test pole, the circumference of all depth measuring roller all presses against the lateral surface of test pole, drives all depth measuring roller synchronous rotation when test pole moves along the axial direction, every depth measuring roller all adopts independent roller revolution sensor collection rotation angle respectively, the tubular frame inserts the vibration monitor and internal computer system in, the rotation angle of every depth measuring roller that roller revolution sensor and vibration monitor will gather, and the vibration data of the tubular frame appearance sends internal computer system, internal computer system calculates the depth of test pole, the penetration and the number of hammering, and shows on the display screen outside the tubular frame. The utility model improves the data acquisition accuracy of standard penetration test or dynamic sounding test, eliminates human error, and reduces the labor intensity of data acquisition.

The application provides a kind of standard penetration test measurement method based on machine vision.The measurement method is to install a height reference rod vertically beside the drill rod of standard penetration test, and to set up a high-definition monocular camera at a distance of 2.5-3.5 meters from the test device to record the whole process video of the test;target detection is carried out frame by frame for all videos in the test process to form the original height sequence of the hammer body at different times in the standard penetration test process, and Gaussian smoothing processing is carried out on it;the sliding window difference method is used to calculate the motion trend to judge the state of the hammer body;the starting position coordinates and the ending position coordinates of each hammering are obtained from the original height sequence of the hammer body, the difference between the two is calculated as the pixel displacement corresponding to the current hammering, and the actual penetration depth of each hammering is converted.The application realizes the motion state recognition and the number of blows of standard penetration hammer through machine vision technology, significantly improves the operation efficiency, and can obtain reliable scale factor and strong anti-interference ability.

The utility model belongs to the engineering reconnaissance technical field, specifically disclose a kind of hydraulic engineering reconnaissance drilling machine, including power module, derrick module, intelligent control module, standard penetration test subassembly, pulley assembly and load cell;Power module is connected with derrick module, load cell is installed in standard penetration test subassembly, pulley assembly is installed in the top of derrick module, standard penetration test subassembly is hung in derrick module by pulley assembly, power module and load cell are electrically connected with intelligent control module respectively, power module, intelligent control module, standard penetration test subassembly are all detachably arranged with derrick module, power module drives derrick module to go up and down.Lift.The utility model is convenient for the transportation transfer of each module of reconnaissance drilling machine, the state of standard penetration test subassembly is monitored in real time in in-situ experiment process, and the accuracy of in-situ experiment data is improved.

The utility model relates to the field of standard penetration testing devices, in particular to a standard penetration testing rod safety stabilizing device which comprises a supporting table, a sleeve, a mounting table and a detecting rod. The sleeve used for providing a straight and stable operation channel for the detection rod is installed at the center of the supporting table, the detection rod used for completing standard penetration testing is embedded in the sleeve, the installation table used for assisting in supporting the detection rod and collecting testing data is installed at the top end of the supporting table, and the sliding threads are formed in the bottom end of the detection rod. A sliding block is installed on the sliding threads, a sensing table is installed outside the sliding block, an experiment rod is fixedly installed at the center of the bottom end of the sensing table, and the experiment rod can be adjusted through the combination of a fixing clamping plate, a rotating rod and a supporting rod outside the supporting table and the synergistic effect of an angle adjusting plate, a supporting column sheath, a rope fixing column and other components. The device can be stably mounted and fixed without depending on large machinery, and meanwhile, the sensing table can accurately monitor the motion state and stress condition of the detection rod in real time.

The utility model provides an automatic recorder for the number of hammers in a standard penetration test, which belongs to the technical field of engineering survey equipment and comprises a shell, a semicircular magnet, a concave rotating wheel, a line wheel, a slide rod, a slide block, a first traction rope, a limiting piece, a first elastic piece, a second traction rope, an elastic trigger and a triple counter. According to the utility model, the vertical displacement of the drill rod is converted into the transverse displacement of the sliding block by adopting the concave rotating wheel in close contact with the drill rod and the first traction rope, and the triple counter at the lower part is triggered by the elastic trigger on the sliding block, so that the automatic segmented counting of a standard penetration test is realized. When the penetration depth of the standard penetration test is completed, the elastic trigger triggers the buzzer to remind an operator to end the test. According to the utility model, errors caused by manual line drawing and counting can be reduced, the test precision is improved, counting errors are avoided, manual counting procedures are reduced, the efficiency is improved, and the influence of human factors on the test accuracy is reduced.

This disclosure relates to the field of marine surveying technology, and provides a method and apparatus for a marine standard penetration test (SPT). The method includes: determining the predicted wave displacement at the test site for the marine SPT; calculating the first acceleration of the wave based on the predicted wave displacement; estimating the motion state of the marine platform based on the first wave acceleration and motion state parameters of the marine platform to determine the predicted displacement of the marine platform; calculating the target extension / retraction amount of the extension / retraction compensation mechanism in the marine SPT apparatus based on the predicted displacement of the marine platform and the current displacement measurement value; optimizing the control parameters of the PID controller using a particle swarm optimization algorithm to minimize the difference between the current extension / retraction amount of the extension / retraction compensation mechanism and the target extension / retraction amount; and conducting the marine SPT based on the extension / retraction motion of the extension / retraction compensation mechanism. This solution can improve the accuracy of marine SPTs.

The application provides a stone column construction real-time quality evaluation method, device, equipment and storage medium. The method comprises the following steps: collecting the horizontal vibration acceleration data of the vibrator and the current data of the driving motor in real time when the vibrator is working; inputting the vibration acceleration data and the current data into the pre-established dynamic model to obtain the equivalent standard penetration blow count value of the current construction soil body through inversion calculation; comparing the equivalent standard penetration blow count value with the preset compactness threshold value to generate the quality evaluation result of the current construction section. The dynamic model is used to represent the quantitative correlation between the vibration acceleration data, the current data and the soil body compactness, and the soil body compactness is quantified by the standard penetration blow count value. The application realizes the real-time quantitative evaluation of the soil body compactness in the construction process, overcomes the defect of the lag of the traditional standard penetration test, the evaluation result is intuitive and reliable, the construction parameters can be adjusted in time, and the construction quality and efficiency are effectively improved.

The invention provides a standard penetration test device, method and system based on energy measurement. The standard penetration test device is provided with a drill rod, a hammering unit and a penetration device. An energy measuring module is arranged between the drill rod and the penetrometer, and a force sensor and an acceleration sensor are arranged in the energy measuring module; threads are arranged at the two ends of the energy measuring module, one end of the energy measuring module is fixedly connected with the bottom end of the drill rod through the threads, the other end of the energy measuring module is rotatably and fixedly connected with the penetrometer through the threads, and the hammering unit is arranged at the top end of the drill rod. By means of the standard penetration test device, the energy measuring point is moved to the energy transmission tail end, energy actually received by the penetrometer is directly captured, energy loss and rod length influence are separated in a force and acceleration parameter fusion mode, and the precision and efficiency of a standard penetration test are improved.

The utility model discloses a kind of hook type standard penetration test automatic drop hammer device, including guide rod, guide rod is divided into two sections, lower section is thin equal-diameter rod, upper section includes thick equal-diameter rod and the smooth transition portion gradually changed from thin equal-diameter rod to thick equal-diameter rod;Guide rod is installed with lifting and drawing snap ring, lifting and drawing snap ring upper end port inner diameter is not less than thick equal-diameter rod diameter, lower end port inner diameter is equal to thin equal-diameter rod diameter, lifting and drawing snap ring inside is equipped with multiple deslagging grooves;Two through grooves are symmetrically equipped in lifting and drawing snap ring side wall, respectively hinged with hook in groove, the hinged shaft of hook is located in hook middle part, hook upper part extends to thin equal-diameter rod inwards, hook lower part has hook head and extends outwards, hinged place is also equipped with torsion spring.This application has adopted hook type automatic unhooking technology, not only can realize the function of automatic drop hammer, and simple and reliable structure, not easy to jam.