98 results about "Earth structure" patented technology

Methods and systems are disclosed for processing data used for hydrocarbon extraction from the earth. Symmetry transformation groups are identified from sampled earth structure data. A set of critical points is identified from the sampled data. Using the symmetry groups and the critical points, a plurality of subdivisions of shapes is generated, which together represent the original earth structures. The symmetry groups correspond to a plurality of shape families, each of which includes a set of predicted critical points. The subdivisions are preferably generated such that a shape family is selected according to a best fit between the critical points from the sampled data and the predicted critical points of the selected shape family.

The invention relates to an earth-structure interaction contact surface shearing test visualization device. The device mainly comprises an upper shear box (1), a lengthened lower shear box (2), a perspective window (3), a camera head (15), a connecting seat (16) and the like. The device shoots the shear band deformation and the earth grain change process in the whole shear test process by using the camera chain to acquire a series of shear band digital images at different time points and a whole-journey video, and provides references for quantitative analysis tests on the range, deformation and thickness of the earth-structure contact surface shear band. The invention has the characteristics of reasonable structure, convenient disassembly, high test load, large sample dimension, visualized shear test process, automatic data acquisition and the like, and ensures the rigidity of the shear box while realizing the overall visualized observation on the contact surface shear band. The invention can be widely used in contact surface mechanical parameter testing, and qualitative and quantitative analysis on the macroscopic and microscopic properties of the shear band under the earth-structure interaction in geotechnical engineering.

A method is described for reducing multiples in marine seismic data using at least two sets of signals representing seismic energy reflected and/or refracted from an earth structure using a plurality of seismic receivers located in a body of water with the two sets differing in the traveltime of signals through the body of water, separating said signals into up- and down-going wavefields and combining the two sets to remove multiples.

A method for determining structure in the Earth's subsurface includes generating an initial model of the structure. The initial model includes at least one layer boundary. A wellbore is drilled along a selected trajectory through the Earth's subsurface in a volume represented by the initial model. At least one formation parameter is measured azimuthally along the wellbore. A distance is determined from the wellbore at selected positions therealong to the at least one layer boundary using the azimuthal formation parameter measurements. The initial model is adjusted using the determined distances. In one example, the parameter is resistivity. In one example, the parameter is acoustic velocity.

The invention discloses a pullout and model dual-purpose test device for a reinforced earth structure of a tire as well as a test measurement method. According to the device, a reinforced earth model test can be performed through a top vertical loading system matched with a corresponding measurement system; and a large pullout test for reinforced materials such as the tire, a grill and the like can be performed through the vertical loading system combined with a side surface pullout load applying system and a displacement measurement system. The device comprises a loading system, a model system and the measurement system. According to the device and the method, corresponding loading and measurement systems of the pullout test and the model test are combined, and compared with the conventional model and pullout test device, the test cost is reduced; the device overcomes the defect that the conventional pullout device cannot perform a pullout test for a dimensional reinforced material such as the tire and the like; the measurement system has comprehensive monitoring content, can perform precise measurement on force, displacement and the like of a reinforcement material and filled earth, and a stress-strain status is reflected truly; and the device and the method can be applied to the model test and the pullout test for an unconventional reinforced earth structure such as the tire and the like.

A precision rod type convergence gauge comprises anchor heads which are respectively fixed at two ends of a measured distance, a universal hook and a tubular connecting rod; the precision rod type convergence gauge also comprises a micrometer caliper, wherein one end of the micrometer caliper is connected with an extracting-pulling type distance-measuring gauge and the other end is connected with a pull rod benchmark device which consists of a telescopic rod fixed with the micrometer caliper into a whole, a force-measuring spring guide sleeve matched with the telescopic rod and a limit spring. The connecting part of the force-measuring spring guide sleeve and the micrometer caliper is provided with a benchmark window marked with a benchmark line; the ends of the pull rod benchmark device and the extracting-pulling type distance-measuring gauge can be respectively connected with a plurality of sections of tubular connecting rods by threads; and an alignment line which can be aligned to the benchmark line of the benchmark window is arranged on the telescopic rod. The precision rod type convergence gauge is applicable to the stability monitoring of military caves, railway tunnels, bridges, underground hydraulic buildings and mine tunnel chambers, and the deformation observation of earth structures. The precision rod type convergence gauge has the advantages of the structure convenient for observation, high precision, combination of a plurality of sections of measurement rod and strong adaptability.

The invention discloses a numerically-controlled tension test system for a soil body, wherein a tension loading system is connected with a hydraulic loading digital servo control system and an automatic displacement tension force test and analysis system respectively; and the tension loading system comprises a tension working platform, the tension working platform is provided with two opposite fixed supports, a first alignment force-transferring bearing is arranged on one of the fixed supports at the opposite sides, a horizontally-placed tension jack is arranged on the other fixed support, the outer end part of the push-pull rod of the jack is fixedly connected with a second alignment force-transferring bearing, a dumbbell-shaped half-open steel mould for placing a tension test piece is arranged between the first alignment force-transferring bearing and the second alignment force-transferring bearing, and the both ends of the dumbbell-shaped half-open steel mould are connected with the first alignment force-transferring bearing and the second alignment force-transferring bearing respectively. Via the numerically-controlled tension test system for a soil body disclosed by the invention, the tension deformation modulus and the tensile strength of the soil body can be more accurately tested, the tension deformation characteristics and the strength characteristics of the soil body can be more effectively revealed, and important mechanical test parameters are provided for reasonable design and safety control of earth structures.

The invention relates to a consolidation apparatus for measuring static earth pressure coefficient and small strain shear modulus, which comprises a consolidation apparatus container equipped with a soil sample and provided with a loading plate used for connecting with a loading device; Two pairs of film pressure transducers symmetrically arranged at left and right side surfaces as well as upper and down inner walls of the consolidation apparatus container; three pairs of bending element wave velocity test components symmetrically arranged at six side surface groove holes of the consolidation apparatus container; and an synthetic glass observation window embedded at front side surface of the consolidation apparatus container. Compared with prior art, the stress on horizontal and vertical directions of earth can be simultaneously measured, static earth pressure coefficient can be determined, small strain shear modulus of anisotropy earth can be obtained during a complete lateral confinement loading/unloading process, development condition of anisotropy of earth structure can be observed by using the synthetic glass observation window and a high definition digital camera as well as combining a PIV image processing technology, and the consolidation apparatus has the advantages of simple operation, various functions, high testing precision and little error.

Stabilizing strip (10) intended for use in reinforced earth structures comprising laterally-opening notches (16) and/or pre-notches (17) making it possible to impose a finite radius of curvature on said strip (10).

The invention discloses a curtain-wall stand-column articulating connecting structure, comprising a connecting element fixedly arranged on an earth structure of the building. A hanging rod is connected on the connecting element; a hook is hung on the hanging rod; and the hook is connected with the stand column. The structure completely changes the traditional construction form; all the key keels, i.e. the stand columns are transported to the scene to mount after being processed in the workshop, thereby shortening the mounting time at the scene and increasing the safety of the workers; the processing precision in the workshop is high; the construction time at the scene is largely shortened while mounting at the scene. The mounting is quick, simple, convenient and has high precision; and the structure is an important improvement of the mounting construction technique and structure of the half-cell type curtain wall.

The invention discloses a pneumatic seedling picking device of a pot seedling transplanter. The pneumatic seedling picking device comprises a first frame, a first oscillating support, a second oscillating support, a first rotation shaft, a first plummer block, a rotation cylinder of a rotating arm, a rotation cylinder of a rocker arm, the rocker arm, an eyelet rod-end joint bearing, a second plummer block, a rotating arm assembly and the like. The pneumatic seedling picking device has the advantages that as seedling picking is carried out by means of the cylinders, the pneumatic seedling picking device is of simple structure and capable of being controlled automatically fully; high reliability is achieved as seedling picking processes are simplified; with a grab type of seedling picking way, root systems of pot seedlings and pot earth structure are not easy to damage.

The invention discloses a bridge waterside foundation pit excavation and support method and a support wall structure. At least two rows of pile walls are horizontally gate-shaped, and earth is filled between one row of pile walls and the other row of pile walls. When the supporting of bridge waterside foundation pit is carried out by adopting the bridge waterside foundation pit excavation and support method, the original structural form of overlapping to form a grid-like structure or connecting to form an entity is changed into the structural form of overlapping the cement mixing piles along the straight line direction to form pile walls, wherein a certain space is left between two or multiple rows of pile walls, so that the earth surrounded by the pile walls can resist the outside water and earth pressure. Compared with the way of resisting the water and earth pressure by only depending on the thickened cement-earth wall, the use amount of cement and the shift of equipment are saved effectively. In addition, because a space is left among the pile walls, the disturbance of the post-constructed pile walls to the constructed pile wall earth structure, and the overall impermeability resisting capacity of the gravitational cement-earth wall can be improved. Therefore, when the supporting of the excavation of bridge waterside foundation pit is carried out by adopting the bridge waterside foundation pit excavation and support method, the construction cost of the gravitational wall can be reduced, and the supporting intensity of the excavation of foundation pit can be improved.

A pervious pipe for dewatering from soft foundation, soil, or earth structure is composed of the osmotic filer layer and the pipe with pervious holes or slits, and features that on said pipe there are convex strips for forming the drainage channels between adjacent convex strips. Its advantages are high water permeability and high dewatering efficiency.

The invention belongs to the technical field of building devices and particularly relates to a self-walking balance-weight-free static pile pressing device. The self-walking balance-weight-free static pile pressing device is composed of a chassis, a clamping balance system, a pile pressing system and a moving system. The self-walking balance-weight-free static pile pressing device is characterized in that the clamping balance system is composed of locating oil cylinders and clamping plates which are arranged on the two sides of the bottom of the chassis, clamping of the clamping plates is controlled through the locating oil cylinders, the moving system is composed of a jacking oil cylinder arranged at the back end of the chassis, a moving oil cylinder and a moving guide rail, wherein the moving oil cylinder and the moving guide rail are arranged on the chassis, the pile pressing system is composed of a pile pressing frame, a guide rail frame, pile pressing clamps, a vibrating device and pile pressing oil cylinders, and the guide rail frame, the pile pressing clamps, the vibrating device and the pile pressing coil cylinders are fixed to the pile pressing frame. The self-walking balance-weight-free static pile pressing device has the advantages of being reasonable in design, convenient to use, convenient and flexible to operate, capable of accurately controlling the pile planting accuracy and improving work efficiency, safe, reliable, good in project quality, capable of having little influence on surrounds and surrounding buildings and free of damaging the earth structure.

The invention relates to the technical field of pesticides, which relates to a cotton blight and verticillium wilt resistance earth restoration agent, and a preparation method and a use method thereof; the raw material weight portions of the cotton verticillium wilt resistance earth restoration agent are as follows: 50 to 200 portions of yellow humic acid, 50 to 150 portions of humic acid ammonium, 50 to 200 portions of humic acid kalium, 2 to 10 portions of fenaminosulf, 10 to 20 portions of carbendazim, 20 to 50 portions of trace element, 100 to 200 portions of concentrated superphosphate, 50 to 200 portions of urea and 100 to 200 portions of betonite. The invention can improve the resistibility and immunity of the cotton, degrade, complex and eliminate hazardous materials, provide sufficient nutritious ingredients, adjust the physiological function of the cotton and also restrain the pathogen spore growth of the blight and verticillium wilt of the cotton to enhance the resistibility of the cotton so as to effectively restrain the blight and verticillium wilt of the cotton, in addition to the functions of effectively improving the earth structure, increasing the earth organic matter content, accelerating the activation of the nutrient element in the earth and restraining the earth degeneration.

A motor includes a substantially cylinder-shaped motor yoke with an opening at one end, an end plate, and DC power input terminals. The end plate is positioned adjacent to the opening of the motor yoke, and the DC power input terminals are fixed to the end plate. The motor yoke has a grounding flange that protrudes from an outer periphery of the motor yoke adjacent to the opening. A negative terminal of the DC power input terminals has an elastic contact segment. The contact segment is pressed against the grounding flange to ground the motor yoke.

The invention discloses an earth exploration method and device, and belongs to the field of electromagnetic exploration. The earth exploration method comprises the steps of collecting data signals reflecting the earth electromagnetic field; performing denoising processing on the data signals by adopting a mode of wavelet analysis so as to acquire target signals; and determining the earth structure according to the target signals. According to the earth exploration method, a problem of poor accuracy of earth exploration is solved, and the accuracy of earth exploration is improved. The earth exploration method and device are applied to earth exploration.

This invention relates to an antenna earth structure used in electronic devices including an antenna and conducting plastics, in which, the antenna is connected to the metal frame of an electronic device by the conducting plastics to provide fine electric property and improve the flow of manufacturing.

The present invention is the earthing structure of control panel in microwave oven. The control panel of microwave oven is installed on the control flange in the upper end of the front panel of microwave oven, and has outer hood and earthing bracket in the inner side. The head part of the earthing bracket is fixed to the installation trough and contacts the inner side of the hood, and the flange of the earthing bracket and the control flange are connected via screws to the connecting casing of the control dial plate for contacting the front side of the control flange. The hidden earthing structure has no influence on the outer appearance of the microwave oven and the earthing bracket is made of relatively cheap material, rather than stainless steel for lowering the cost of microwave oven.

The invention discloses an earthing terminal, an earthing structure and electronic equipment. The earthing terminal is characterized in that the shell of metal equipment is earthed, the earthing terminal is detachably installed on the outer side of the shell of the metal equipment, at least one part of the earthing terminal is electrically connected with the shell of metal equipment, and the earthing terminal is made of a metal material with strong anti-corrosion property. Through the above mode, the electronic equipment disclosed by the invention has the advantages of convenience and simpleness in the earthing operation and strong anti-corrosion property.

The inventio discloses a geogrid with a negative poisson ratio effect, and a preparation method thereof, and solves the problems of failure in a reinforced earth project and poorer stability of a rib-earth structure since rib materials are easy to pull out in the prior art. According to the geogrid with the negative poisson ratio effect, and the preparation method thereof provided by the invention, the negative poisson ratio effect can be produced, the interaction of the rib materials and fillers is improved, the interlocking of ribs and earth is increased through node expansion, and a pseudo-friction coefficient of a rib-earth interface is increased; and a passive resistance force of grid ribs is increased, so that the stability of a high and large reinforced earth structure is improved.The technical scheme is that the geogrid with the negative poisson ratio effect comprises the grid ribs and node sleeves, wherein each two adjacent grid ribs are spliced to form a net structure through the node sleeve; small nodes are arranged at two ends of each grid rib; the small nodes of each four grid ribs are spliced to form a big node and are fixed through the node sleeve; and under an external load effect, the small nodes slide in the node sleeves , so that the node sleeves are expanded and deformed in a thickness direction, and the negative poisson ratio effect is produced.