7 results about "Standard penetration test" patented technology

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 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 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 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.