41 results about "Soil zone" patented technology

A self-supporting earth facing module has a tubular sock to be filled with compost or fill material and a geogrid sheet which wraps around the circumference of the tubular sock with upper and lower extensions extending lengthwise to one side of the sock. The geogrid sheet is joined by a high-strength seam to the circumference of the sock. The module forms an integrated unit that can be used to form sequenced horizontal earth layers and serve as facing for a geosynthetically stabilized earth wall or slope. The sock may be vegetation-supportive and have built-in connectable irrigation tubing. The modules are installed in consecutive vertical lifts with a granular interlock zone to provide a connection medium for tying adjacent modules to each other and to the reinforced soil zone, and which may include connection to supplemental geogrids that extend the width of the reinforced zone for taller slopes and walls.

The invention provides a device for simulation of well drilling in a frozen soil zone and belongs to the field of well drilling. The device comprises a simulation experiment device, a hot water circulating injecting device and a data collecting and analyzing device, and the simulation experiment device is used for simulating well drilling in the frozen soil zone. The simulation experiment device comprises simulated frozen soil, a simulated well part, a simulated drilling column and a simulated drill bit, the simulated well part is formed in the simulated frozen soil, when the simulated drilling column and the simulated drill bit are arranged in the simulated well part, a gap is reserved between the simulated drilling column and the well wall of the simulated well part, and the simulated well part can downwards move. The hot water circulated injecting device is used for injecting a drilling fluid into the simulated drilling column, controlling the temperature of the drilling fluid and enabling the drilling fluid to be circulated in the simulated drilling column, the simulated drill bit, the gap and the hot water circulated injecting device. The data collecting and analyzing device is used for collecting parameters of the simulated well part in the downwards-moving process and determining the change rule of the parameters along with downward moving of the simulated well part. According to the device for simulation of well drilling in the frozen soil zone, the rule of well part sinking in the process of well drilling in the frozen soil zone can be simulated, and thus reliablereference is provided for actual well drilling.

A cross-pulling construction method for soft soil zone with high ground water level relates to the technical field of underground construction, and aims to solve the technical problem of non-excavating construction in the soft soil zone with high ground water level. The construction method comprises the following steps: 1) setting working wells on the underground on the two ends of a pipe culvert with a well drilling method and a drop shaft sinking method; 2) laying reinforcing steel bars or wire ropes between two work shafts with a horizontal directional drilling technology along the object axes; 3) inlaying precipitation well point pipes between two ground working wells along the project axes; 4) using the two noses on the two ends of the pipe culvert to make the noses and the standard pipe culvert pipe sections on the two sides continuously and oppositely advance in pair; 5) precipitating for the well point pipe which is positioned between the horizontal pipe culverts and adjacent to the pipe culvert; 6) cross-pulling the horizontal pipe culverts to advance to the position of the well point pipe, and pulling out the well point pipe; and 7) cross-pulling the horizontal pipe culverts: continuing the step 4) and the step 6) in cycle until the successful butt join of the pipe culverts. The invention has the characteristic of ensuring the safety of underground construction.

The invention discloses a soft soil foundation treatment and construction method of a mixing pile anti-floating anchor bar, which specifically includes the following construction process: construction preparation → pile driver in place → cement soil mixing pile → construction before initial setting of cement soil Insert the anchor rod into the ground and end at 100mm from the bottom of the mixing pile → grouting → cut off the excess steel pipe at the design level on the top surface of the foundation bottom plate → anchor the anchor rod into the bottom plate, and weld the steel plate at the end to form the mixing pile and the anchor rod The anti-pull reinforcement pile; the anchor rod is a barbed steel pipe structure. It is a new type of effective method to simultaneously solve the disturbance and anti-floating difficulties in the construction of the soft soil bearing layer. It solves many anti-floating problems in areas with thick soft soil. It can not only treat the foundation but also improve the uplift bearing capacity. It is convenient for construction and meets the requirements of anti-floating. It adopts shallow foundation instead of pile foundation, which greatly saves the cost and has good construction quality.

A device for stabilizing a metal pier installed in the ground. The device includes a device to provide lateral support to the pier and a shaft configured so that a force imposed, parallel to an axis of the pier, on the device is not imposed on the pier. A method of stabilizing a pier installed in ground to support a structure. The method includes determining the location of an unstable soil zone of the ground and a stable soil zone of the ground. The method also includes placing a stabilizing plate in the unstable soil zone to provide lateral support to the pier. A device configured to lift a foundation slab above the ground. The device includes a lifting bolt and apparatus that restricts lateral deflection of the pier when a torque is applied to the lifting bolt to raise the slab. A method of stabilizing soil around a pier.

The invention discloses a method for reducing loss of chemical fertilizer in soil. The method is to divide soil into a plastic film covered zone and planting zones which are at two sides of the plastic film covered zone, cover the soil in the plastic film covered area with a plastic film, apply chemical fertilizer in soil in the plastic film covered area to protect the chemical fertilizer from rain and plant seeds or seedlings of plants in soil of the planting area. The method uses soil zone division, plastic film covering and other technologies to realize water and fertilizer separation to reduce loss of nutrition with water and environment pollution caused by lost fertilizer flowing into the environment and improve use rate of the chemical fertilizer, thereby improving the input-output ratio of the chemical fertilizer for farmers.

The invention discloses a vegetation revetment water and soil conservation device. The device comprises a filter layer I, a filter baffle I, a water collecting tank I, a protective barrel I, a connecting sleeve I, a filter layer II, a connecting pipe II, a protective barrel II, a connecting sleeve II, a storage device II, an overflow pipe II, a filter layer III, a water collecting tank III, a protective barrel III, a connecting sleeve III, a storage device III, an overflow pipe III, a sewer, a connecting pipe III and a filter baffle III. The device has the advantages that the structure is reasonable and simple, the production cost is low, installation is convenient, and functions are comprehensive, and that the water collecting tank I, a water collecting tank II and the third water collecting tank III are arranged on the ground of a slope, water on the ground of the slope can be collected in a layered mode, and therefore losses caused by rainwater impacting soil are avoided, so the protection effect is improved; and through the arrangement of a storage device I, the storage device II and the storage device III, water on the ground of the slope can be collected and stored in a layered mode, so therefore rainwater losses are reduced and growth of plants is facilitated.

The invention discloses a continuous detection device for soil nutrients. The device comprises an middle box body; a bottom cavity penetrating up and down is formed in the middle box body; a bifurcated opening is formed in the end wall of the bottom cavity; a screwing handle is arranged in the upper end wall of the bottom cavity in a screw-thread fit connection manner; symmetrical lifting handlesare fixedly arranged on the upper end surface of the middle box body; the lower side of the middle box body is provided with a drilling-in device capable of enabling the equipment to drill into the ground in a rotating mode; an extraction device which is positioned in the middle box body and is used for extracting a soil layer is arranged on the inner side of the drilling-in device. The detectiondevice is simple in structure, the device drills into the ground more conveniently in the mode that a straight drill bit is matched with a threaded drill, a structure facilitating soil sampling is arranged, soil can be taken away from soil more conveniently and efficiently in the soil sampling process, and personnel can conveniently and directly conduct related sample extraction and detection on different layers.

The invention relates to a soil sampling device for exploration, and belongs to the technical field of exploration equipment. The soil sampling device comprises a bottom plate, a fixed plate is fixedly mounted on the upper surface of the bottom plate, a baffle plate sleeves the outer side of the fixed plate, the baffle plate is mounted on the bottom plate and is fixedly connected with the bottom plate, and a first through hole is formed in the fixed plate; and a side surface soil sampling mechanism is mounted in the first through hole, and a driving mechanism for driving the side surface soilsampling mechanism is fixedly mounted at the upper end of the fixed plate. The driving mechanism is arranged to be matched with the side surface soil sampling mechanism, the side surface soil samplingmechanism is pushed outwards under the driving of the driving mechanism to obtain a complete soil layer, then the obtained soil is brought back to the interior and taken out integrally, the completeness of an exploration sample is guaranteed, and the exploration accuracy is improved; meanwhile, a supporting mechanism is arranged for matching, so sampling at a suitable depth is facilitated, the soil sampling device is convenient to operate, the sampling efficiency is improved, and the soil sampling device is more convenient and practical.

The invention provides an environmental geology sampling device, and belongs to the technical field of environmental monitoring. The environmental geology sampling device comprises a column casing, the column casing is internally provided with a sampling assembly and a first driving assembly used for driving the sampling assembly to move up and down; the sampling assembly comprises a first arc-shaped plate and a second arc-shaped plate which are oppositely arranged, a cylindrical structure can be defined by the first arc-shaped plate and the second arc-shaped plate, and sampling notches are formed in the opposite sides of the first arc-shaped plate and the second arc-shaped plate. In the embodiment of the invention, the first driving assembly drives the sampling assembly to move up and down, so that the sampling assembly is inserted into a soil layer to take out soil, and after sampling analysis, the second driving assembly drives the first arc-shaped plate and the second arc-shaped plate to be away from each other, so that the soil in the first arc-shaped plate and the second arc-shaped plate is automatically discharged; compared with the prior art, the device has the advantages of simple structure, convenience in use and good sampling effect.

The invention provides a simulation device and simulation method for wellhead subsidence in a frozen soil layer drilling process. The simulation device comprises a low-temperature constant-temperatureexperiment box, a double-layer pipe, a drilling fluid circulation assembly, a drilling driving assembly and a displacement sensor, wherein sandy soil/clay with a preset moisture content is laid inside the low-temperature constant-temperature experiment box, and is used for forming a frozen soil simulation layer; the double-layer pipe comprises an outer pipe and an inner pipe positioned in the outer pipe; the outer pipe is inserted into the low-temperature constant-temperature experiment box; the drilling fluid circulation assembly is connected with the double-layer pipe, and is used for enabling drilling fluid with the preset temperature to circulate in the double-layer pipe; the drilling driving assembly is connected with the inner pipe, and is used for driving the inner pipe to move upand down and/or rotate; and the displacement sensor is used for monitoring the displacement of the outer pipe. The wellhead subsidence process caused by frozen soil layer melting in the polar region frozen soil zone drilling process can be simulated, and the influence caused by different wellhead loads, drilling fluid temperatures and frozen soil property parameters on the wellhead subsidence displacement is measured.

The invention relates to the field of intelligent flowerpots and in particular to an intelligent constant-temperature flowerpot based on Internet of Things. The flowerpot comprises a flowerpot, a soilzone, a control zone and a fertilizer water zone, wherein the soil zone is arranged inside the flowerpot; the control zone and the fertilizer water zone are arranged below the soil zone and are distributed in parallel; an adjusting device is arranged on the flowerpot; a conversion temperature adjusting device is arranged on the adjusting device; a sensing device is arranged inside the soil zone;a control device is arranged inside the control zone. Due to addition of partition plates and vertical columns, fertilizer water in the fertilizer water zone can be cleared off when the flowerpot is not used for a long time, and then impurities such as bacteria are not generated in the fertilizer water zone; a fine sand layer is arranged in the interlayer of the flowerpot, so that humidity loss caused by temperature variation is reduced; instruments for lighting, water ejection and cooling can be automatically switched according to cooperation of an Internet of Things receiver and a controller, and thus high automation is achieved; due to adoption of a transverse plate made of woven bamboo strips, intense sunshine exposure of plants can be alleviated to a certain extent.

The invention provides ecological environment quality evaluation equipment, which comprises: a main body and a sampling shaft, wherein the top end of the main body is connected with a handle to conveniently control and operate the main body, and the bottom end of the main body is connected with the sampling shaft to be inserted into soil to sample deep soil; and an extrusion block, wherein the extrusion block is a semi-arc-shaped plate connected to one side of the sampling shaft in a penetrating and embedding manner and extending in an inclined manner. Through an extrusion block arranged on the device, when soil with a large amount of moisture in the soil is sampled, the soil can be movably clamped by applying force, so that the soil can be taken out more easily; and moisture in the soil can be extruded and discharged to a certain degree, so that the moisture can be kept in a certain shape to be better collected when being taken out.

The invention relates to the technical field of goaf backfilling, in particular to a goaf bottom edge construction drilling device which comprises a water storage bin, the output end of the water storage bin is connected with the input end of a pump through a water pipe, the pump is connected with a punching mechanism for punching through a water pipe, and the punching mechanism comprises a pipe body. A feeding mechanism is detachably and fixedly installed in the pipe body, a water cutting mechanism is movably connected to the bottom of the pipe body, a power surface at the upper end of the water cutting mechanism is designed to be an inclined surface, so that flowing water flow generates thrust on the power surface, the power surface rotates rapidly, meanwhile, the water flow is sprayed out from a high-pressure spray head to wash soil, and water cutting is achieved. Softening of the soil enables the water cutting mechanism to achieve the operation of going deep into the soil through vibration of the vibrator, and the mode of going deep into the soil in a micro-vibration mode can effectively reduce vibration damage to the soil and reduce the problem of mine collapse.

The invention provides a partitioning flowerpot which is divided into two parts through a partitioning plate (1), namely a planting zone (2) and a fertile soil zone (3). A plurality of holes (4) are formed in the partitioning plate (1). The diameter of each hole is 3 cm. The roots of flowering wood extend into the fertile soil zone through the holes (4) to absorb nourishment. Through the arranged fertile soil zone, small living garbage and fertilizer are placed on the fertile soil zone, meanwhile, nourishment is provided for plants in the planting zone, and the structure is simple and practical.

The invention relates to a method for fertility improvement of low-yielding purple-sandy-soil sloping cultivated land through soil layer reconstruction. The method mainly comprises the following steps: laying out excavation lines in selected low-yielding purple-sandy-soil sloping cultivated land in a purple-sandstone hilly region along contour lines from the top of a slope to the bottom of the slope; taking every three excavation lines as one group, firstly, moving surface soil above first and third excavation lines to be between the first excavation lines and second excavation lines so as to form surface soil zones through forting, then, deeply excavating a pit with the depth of 15-25cm between every corresponding second excavation line and every corresponding third excavation line, moving subsoil above the first excavation lines to be above dug-up subsoil so as to construct subsoil zones, forming subsoil ditches above the first excavation lines, and so on; after the beginning of spring, applying a base fertilizer to the subsoil ditches and the subsoil zones, carrying out land preparation, and sowing forage grass; and carrying out watering before and after forage grass seedling emergence, carrying out seedling inspection and replanting, carrying out weeding, carrying out topdressing and carrying out cutting. By using the method, runoff and sand can be reduced, temperature adjustment and moisture preserving can be achieved, and the physicochemical properties of soil can be improved; and grain and oil crops and good-economic-benefit vegetables can be planted instead of the forage grass, and the rate of contribution of the land is increased greatly.

The invention discloses a soil sampling device for a soil impact test in constructional engineering, and relates to the technical field of constructional engineering, the soil sampling device comprises a frame base and a cleaning assembly, the top of the frame base is connected with an external box, a sliding rail is mounted on the inner wall of the external box, a limiting wheel is mounted in the sliding rail, and an auxiliary assembly is mounted on the inner wall of the sliding rail; the driving assembly is mounted in the auxiliary assembly, the sampling assembly is mounted in the driving assembly, and the auxiliary assembly comprises a servo motor, a traveling gear, a rack frame, a traveling frame and a limiting bearing. According to the soil sampling device, the multiple assemblies are arranged in a matched mode, soil can be rapidly drilled out and go deep into the soil, meanwhile, the soil in holes can be taken out through the sampling assembly when the soil is taken out, the soil sampling integrity is guaranteed, the soil can be automatically pushed into the sampling box, the soil sampling process is convenient, and the working efficiency is improved. The cleaning assembly is used for cleaning the sampling assembly, so that the internal cleanliness of the sampling assembly is improved.