96 results about "Rammed earth" patented technology

The invention discloses a prediction method for quantifying the development degree of undermining diseases of rammed earth cultural relics, and relates to the field of cultural relic protection. The method comprises the steps of obtaining three-dimensional laser point cloud data and close photography three-dimensional model data of the rammed earth cultural relics; fusion of the three-dimensional laser point cloud model and the close photography three-dimensional model is realized, and a rammed earth cultural relic undermining disease three-dimensional model is constructed; based on the rammed earth cultural relic undermining disease stereoscopic model, quantitative indexes of undermining disease development are extracted, and an undermining disease development prediction model is constructed and optimized; and generating and outputting a quantitative report of the development degree of the undermining disease of the rammed earth cultural relics. According to the method, three-dimensional laser scanning and close photogrammetry are combined, differentiated routes are designed for areas with different heights, alignment of cross section contours of different models is realized based on Fourier description, a Poisson curved surface reconstruction technology is combined with a hole filling algorithm to complement missing parts of the models, spatial distribution and morphological characteristics of undercut diseases are intuitively presented, and the method is suitable for large-scale popularization and application. The change rule of undercut diseases along with time is quantified, and protection work is promoted to be changed from passive repair to active prevention.

The invention discloses a lossless detection mold and method for a rammed earth wall, and relates to the technical field of civil engineering and cultural relic protection. In order to solve the problem that in a traditional rammed earth wall nondestructive detection method, it is difficult to establish an effective corresponding relation between signal features and physical and mechanical parameters, the rammed earth wall nondestructive detection mold and method comprise the steps that rammed earth materials are prepared with reference to the soil texture of an ancient wall, and the rammed earth materials are filled into the rammed earth mold in a layered mode to prepare a wall-like test piece; carrying out nondestructive detection on the city-wall-like test piece by adopting a geological radar to obtain an oscillogram and a grey-scale map, and extracting a detection signal; sampling the city-wall-like test piece, carrying out a physical and mechanical test, and establishing a parameter database in which detection signal parameters are associated with physical and mechanical parameters; and finally, carrying out field detection on the ancient city wall, carrying out geological radar detection to obtain an actual detection signal, and matching the actual detection signal with the parameter database to obtain physical and mechanical parameter information of the ancient city wall. The method can effectively improve the accuracy of lossless detection of the rammed earth structure, and provides a scientific basis for ancient city wall protection.

The invention discloses a soft covering protection structure for an open earthen site in a humid environment and a construction method. The protection structure comprises a three-dimensional net-shaped geogrid overburden layer and a herbaceous plant layer. The three-dimensional net-shaped geogrid overburden layer is laid on the surface of the ruin body, and the herbaceous plant layer is located on the outer side of the three-dimensional net-shaped geogrid overburden layer. The three-dimensional net-shaped geogrid overburden layer comprises an inner-layer geogrid and an outer-layer geogrid, the space between the inner-layer geogrid and the outer-layer geogrid is filled with loose soil, and the loose soil, the inner-layer geogrid and the outer-layer geogrid are tamped together to form a rammed earth layer; the herbaceous plant layer comprises a planting soil layer laid on the outer geogrid, and herbaceous plants are planted on the planting soil layer. The slope protection device is used for protection of the abrupt slope under the heavy rainfall condition, and the purposes of controlling slope body shallow layer landslide and slowing down slope surface scouring erosion are achieved.

The invention discloses a method for manufacturing a simulated earthen ruins rammed earth test wall based on original diseases, and relates to the field of earthen ruins protection and restoration. The method comprises the following steps: step 1, determining earthen archaeological site diseases to be researched and preparing materials; 2, mold assembling and disease marking are carried out; 3, layered ramming is conducted; step 4, crack disease processing; step 5, performing undercutting disease processing; 6, weathering disease processing; step 7, processing rain erosion diseases; and step 8, northwest environment simulation. The earthen archaeological site rammed earth wall is manufactured by integrating multiple disease collaborative simulation technologies of fissure, undermining, weathering and rain erosion, meanwhile, adaptability design of a strong wind erosion area, a strong sunshine area and a strong salinization area is made for northwest arid areas, and the method has the core advantages of disease reproduction authenticity, standardized grading, environment adaptability and the like; a scientific and reasonable technical means is provided for earthen archaeological site protection engineering, and a reliable test piece is provided for research and development of a protection technology.

The invention discloses a chitin-silicon-calcium-based modified material for rammed earth wall repair and a weather resistance evaluation method thereof, and belongs to the technical field of rammed earth wall repair, the chitin-silicon-calcium-based modified material comprises metakaolin, calcium oxide, quartz and chitin; the ratio of chitin to metakaolin to calcium oxide to quartz is 1: 1: 2: 4; the method comprises the following steps: pre-treating at the earlier stage of a test, evaluating freeze-thaw cycle performance, evaluating dry-wet cycle performance, evaluating salt corrosion resistance, analyzing association between a microstructure and a strength performance, and finally, revealing a material degradation rule and mechanism by combining scanning electron microscope observation, unconfined compressive strength test and crack rate analysis. When the freezing and thawing cycle number N is less than or equal to 5, the dry and wet cycle number I is less than or equal to 9, and the salt solution concentration c is less than or equal to 0.3 mol / L, the characteristics of freezing and thawing resistance, dry and wet resistance, salt erosion resistance and the like of the modified material are obviously improved; after the modified material is added, internal pores of plain soil can be filled, unconfined compressive strength of a soil body is enhanced, and long-term durability of the soil body is improved.

The invention provides combined hydraulic tamping construction equipment for widening an expressway, the combined hydraulic tamping construction equipment for widening the expressway comprises an earth rammer body and a tamping assembly mounted at the output end of the earth rammer body, and a retractable earth collecting assembly is rotatably arranged at the bottom of the tamping assembly; the soil collecting assembly is used for scraping edge soil to be collected towards the center, a rope assembly is further arranged on one side of the tamping assembly, and one end of the soil collecting assembly is fixedly connected with the output end of the tamping assembly through the rope assembly. According to the combined type hydraulic tamping construction equipment for widening the expressway, edge soil is collected through the soil collecting assembly, the tedious process of repeated cleaning and tamping after the soil is sputtered is avoided, and through the linkage design of the soil collecting assembly and the tamping assembly, the construction efficiency is greatly improved. And the time for compacting the soil body and treating the edge soil can be shortened in the tamping process, unnecessary repeated operation is reduced, and the construction efficiency is further improved.

The invention relates to the technical field of building physics and artificial intelligence crossing, and discloses a traditional village dwelling thermal performance prediction system based on deep learning, comprising a data acquisition module for acquiring solar radiation, wind speed and direction, internal and external pressure difference and indoor and outdoor temperature; the radiation decoupling network module is used for predicting the net radiation heat flux of the outer surface according to the solar radiation, the sun position and the component posture; the microclimate permeation network module is used for predicting a convective heat transfer regulation factor according to the pressure difference, the wind and the opening state; the implicit state network module adopts a circulation structure and introduces an implicit thermal state vector to represent the thermal inertia of the enclosure structure; and an indoor thermal environment integration module that integrates the convective heat flux based on the heat balance and outputs an indoor air temperature predicted value. According to the system, through decoupling modeling of radiation, permeation and heat transfer of the enclosure structure, prediction interpretability of the indoor thermal environment of a traditional dwelling is improved, and the system is suitable for building scenes which are built with non-standard materials such as rammed earth and depend on natural ventilation.

The utility model provides a rammed earth wall corner reinforcing stone improvement structure which comprises a rammed earth wall body, an attachment gauze element, a bonding concrete layer, a protective base layer block, an attachment layer and decorative rubble stone, the attachment gauze element is fixedly installed on the surface of the rammed earth wall body in an attached mode, and the surface of the attachment gauze element is coated with the bonding concrete layer. The protective base layer block is adhered to the surface of the adhesive concrete layer and is fixedly connected with the rammed earth wall body; the adhesion layer is coated on the surface of the protective base layer block, and the decorative rubble is adhered to the surface of the adhesion layer; due to the arrangement of the protective base layer block and the decorative rubble stone, the structure is high in pulling strength, strong in anti-scouring capacity, attractive in appearance and high in construction efficiency, and the quality is convenient to control.

The utility model relates to the technical field of rock and soil tamping, one embodiment of the utility model provides a rock and soil tamping device for geotechnical engineering, the rock and soil tamping device comprises a base, a fixing frame, a tamping mechanism and a reinforcing assembly, a plurality of driving wheels are mounted on the base, a mounting groove is formed in the base, the bottom end of the fixing frame is fixedly connected with the inner wall of the mounting groove, and the bottom end of the fixing frame is fixedly connected with the inner wall of the mounting groove; the tamping mechanism is arranged in the fixing frame and used for continuously tamping rock soil, and the reinforcing assembly is arranged on the outer side wall of the fixing frame and used for reinforcing the stability of the base and the rock soil. By means of the technical scheme, the technical problems that in the automatic and continuous compaction process of rock and soil in the prior art, the earth ramming plate and the rock and soil collide, the earth ramming plate and the rock and soil can generate opposite impact force, and the whole device may shake and is insufficient in stability are solved.

Disclosed herein is a permanent rammed earth formwork-façade, including two parallel side panels, a plurality of galleys and / or rebars fastened transversally between the two side panels interconnecting the two side panels to each other, and a plurality of Ω-shaped fasteners fastening the plurality of galleys between the two side panels and receiving rebars connecting side by side adjacent side panels of two or more of the permanent rammed earth formwork-facades in large formwork-facades. Each side panel includes a double-layered rammed earth wall reinforced by a mesh network there inside, a barbed wire woven into the mesh network, a plurality of rebars fastened to the mesh network, and a plurality of L-shaped anchor bolts fastened to the mesh network, a respective Ω-shaped fastener, and a respective rebar. Each side panel further includes a water-proof thermal insulator layer coated on an interior surface of the double-layered rammed earth wall.

A predictive method for quantifying the degree of erosion damage in rammed earth cultural relics, relating to the field of cultural relic protection, involves acquiring 3D laser point cloud data and close-up photogrammetric 3D model data of the rammed earth relics; fusing the 3D laser point cloud model and the close-up photogrammetric 3D model to construct a three-dimensional model of erosion damage in the rammed earth relics; extracting quantitative indicators of erosion damage development based on the three-dimensional model of erosion damage in the rammed earth relics, constructing and optimizing a predictive model of erosion damage development; and generating and outputting a quantitative report on the degree of erosion damage development in the rammed earth relics. This invention combines 3D laser scanning and close-up photogrammetry, designs differentiated flight paths for different height areas, aligns the cross-sectional contours of different models based on Fourier description, and uses Poisson surface reconstruction technology combined with a hole-filling algorithm to complete the missing parts of the model, intuitively presenting the spatial distribution and morphological characteristics of erosion damage, quantifying the changing patterns of erosion damage over time, and promoting a shift in protection work from passive restoration to proactive prevention.

The application relates to the technical field of foundation ramming, and discloses a foundation ramming treatment device and method for building construction, which comprises a clamping and detaching assembly, a grinding device, a ramming device, a supporting device and a moving device. The grinding device drives the grinding shell to rotate through the clamping and detaching assembly, the grinding shell drives the grinding blade to rotate, the grinding blade is rolled and pressed against the backfill soil together with the screening cylinder, meanwhile, the grinding runner also rolls on the upper surface of the supporting ring and drives the conical runner and the spiral blade to rotate, so that the efficiency of stirring and pushing the backfill soil is improved. When the grinding shell rotates forward, the nut rotating disc drives the ramming screw rod to be lifted upward, when the ramming screw rod is lifted to the highest position, the ramming linkage plate drives the clamping block to be separated from the grinding groove, then the ramming disc drives the ramming screw rod to freely fall, the ramming screw rod drives the nut rotating disc and the grinding shell to rotate reversely, so that the secondary treatment function of the grinding device and the ramming function of the ramming device are realized simultaneously.

This invention relates to the field of building repair, and its purpose is to provide a rammed earth wall reinforcement structure, comprising a strip foundation, a rammed earth wall, and several semi-prefabricated reinforcement units. Several interlocking cavities are provided at both the front and back connections of the strip foundation and the rammed earth wall. The interlocking cavities at the front and back connections are alternately distributed along the length of the strip foundation. Each semi-prefabricated reinforcement unit corresponds to one of the interlocking cavities and includes a concrete block and a steel reinforcement cage. The concrete block seals the opening of the interlocking cavity and forms a cast-in-place bonding zone with the interior of the cavity. One end of the steel reinforcement cage is embedded in the concrete block, and the other end extends into the cast-in-place bonding zone. A grouting port communicating with the cast-in-place bonding zone is provided at the bottom of the concrete block, and grout is injected into the cast-in-place bonding zone. This invention can effectively reinforce the rammed earth wall and its foundation while maintaining the original structural appearance of the rammed earth wall and its foundation.

The utility model discloses a tamping device for earth-rock engineering, and relates to the field of earth-rock tamping. The device comprises a moving table, a fixing frame and a double-drive motor, connecting discs are arranged at the output ends of the two sides of the double-drive motor, first transmission rods are rotationally arranged at the ends, away from the double-drive motor, of the two connecting discs, and second transmission rods are rotationally connected to the bottoms of the first transmission rods. Third transmission rods are rotatably mounted at the bottoms of the second transmission rods, earth ramming blocks are fixed to the bottoms of the third transmission rods, sliding blocks are fixed to the ends, away from the vertical central axis of the fixing frame, of the earth ramming blocks, the earth ramming blocks and the fixing frame are arranged in a sliding mode, and two stable clamping plates are fixed to the tops of the two earth ramming blocks correspondingly; according to the earth ramming device, on the premise that safety is provided for constructors, the earth ramming area of a traditional earth ramming device is increased, the probability that limbs of operators are injured is effectively reduced, and meanwhile the earth ramming operation time is shortened.

The application provides a label-based multi-modal cultural relic knowledge graph construction method, system and device, relates to the technical field of cultural relic knowledge graph construction, and obtains multi-spectral image and texture image multi-modal data of a target rammed earth cultural relic, analyzes the multi-spectral image by relying on a pre-constructed standard reflection spectrum database of rammed earth materials, obtains material composition characteristics of each spatial region, and then generates material and topographic feature vectors by correlating corresponding texture images. Then, the vectors are mapped to initial features of graph network nodes, and updated aggregated features are obtained through iterative propagation and aggregation, and a composite label containing material attributes, disease types and spatial positions is generated accordingly, and finally, a target rammed earth cultural relic knowledge graph is constructed based on all composite labels, multi-modal data fusion of the rammed earth cultural relic can be realized, the composite label can be accurately generated and the knowledge graph can be constructed, and the application helps the systematic management and application of cultural relic information.

The present application belongs to the technical field of combined plate cable anchor cable backfill soil rammer, and discloses a combined plate cable foundation hole body backfill soil ramming device and method, the combined plate cable foundation hole body backfill soil ramming method comprising: combined plate cable foundation pile pit backfill soil, adopting layered paving; according to the compaction degree change law after the hole body backfill soil ramming, controlling the thickness of each layer, the ramming times of each layer and the height of the rammer falling distance each time; the hammer should be kept stable, and the ramming position is accurate. The present application can realize the ramming compaction of the backfill in the hole body, can overcome the shortcomings that the existing flat bottom rammer is easy to tilt and ramming deviation, and the ramming quality is not easy to guarantee, and improves the ramming efficiency. In addition, the through hole arranged in the middle not only can ensure the smooth passing of the combined plate cable main anchor, but also is more conducive to emptying the air wave through the air hole and reducing the air wave generated in the falling process of the rammer. Layered ramming can ensure that each layer of rammed soil reaches the designed compaction degree.

The invention discloses a high-solid-waste-content soft porcelain material suitable for pavements as well as raw materials and a preparation method thereof, and relates to the technical field of soft porcelain materials. The high-solid-waste-content soft porcelain material suitable for the pavement comprises a bottom-layer raw material and a surface-layer raw material, wherein the bottom-layer raw material comprises coupling-agent-modified rammed earth, a graphene-oxide-modified first emulsion, a second emulsion, water, a dispersing agent, a curing agent, a coalescing agent and a water reducing agent; the surface layer is prepared from the following raw materials: inorganic powder, modified rubber particles, graphene oxide modified first emulsion, second emulsion, water, a dispersing agent, a coupling agent, a curing agent, a coalescing agent and a water reducing agent. By adopting the raw material of the soft porcelain material provided by the invention, the accumulation of solid waste materials such as rammed earth, granite and waste rubber can be reduced, the multifunctionality of the soft porcelain material is increased, and the prepared soft porcelain material has the characteristics of hard bottom and soft and moist surface, can be applied to a road surface, and can be directly paved on the road surface after being prepared, so that the construction period is greatly shortened.

The utility model provides a rammed earth wall connecting structure of a pseudo-classic building, which is characterized in that a plurality of upright posts extend along the longitudinal direction and are distributed on the outer side of the building at intervals in the horizontal direction; the base plates are distributed at intervals in the length direction of the stand column, the base plates are anchored to a building through anchoring bolts, two steel angles distributed at intervals extend out of the base plates, the distance between the two steel angles is matched with the stand column, and the stand column is fixed between the two steel angles through first bolts; the multiple cross beams are distributed between every two adjacent stand columns at intervals and distributed in the length direction of the stand columns at intervals corresponding to the width of the rammed earth imitating wall plate. One end of the supporting corner is fixed on the cross beam through a second bolt, and the other end of the supporting corner extends along the longitudinal direction; the mounting structure of the rammed-earth-imitating wallboard is optimized, the supporting angle and the connecting angle are achieved through the limiting notches, so that the mounting difficulty is reduced, the mounting efficiency is improved, the rammed-earth-imitating wallboard can be adjusted through the supporting angle and the connecting angle, and the mounting quality is guaranteed.

The utility model belongs to the technical field of highway subgrades, and particularly relates to a highway subgrade anti-settlement structure which comprises a circular truncated cone. An adjusting mechanism is arranged between the circular truncated cones, a filling mechanism is arranged on the bottom sides of the circular truncated cones, a fixing mechanism is arranged on the bottom side of the filling mechanism, the adjusting mechanism comprises supporting plates, a reinforcing net is fixed between the supporting plates, and threaded rods are rotatably inserted into the bottom sides of the supporting plates in a penetrating mode. The top end of the threaded rod penetrates through the supporting plate to be fixedly provided with a hexagonal stud, the bottom side of the circular truncated cone is provided with a base plate, the center of the metal net is provided with a through hole, and the bottom end of the threaded cylinder is fixedly provided with a supporting disc. The threaded barrel is pushed to slide on the inner side of the limiting hole, at the moment, the supporting disc extends downwards from the bottom side of the limiting hole and abuts against the rammed earth layer, at the moment, the threaded rod extends, and therefore the supporting plate at the sunken position is supported, and the problem that an existing roadbed cannot continue to repair the collapse position is solved.

The application discloses a kind of earth ruins rammed reinforcement engineering intelligent detection device and detection method, infrared ranging unit is used to gather rammed surface soil thickness and ramming thickness data, data acquisition unit receives ranging data and is transmitted to operation processing unit, and operation processing unit calculates soil thickness and ramming degree by preset algorithm, and determination trigger unit compares test calculation result with preset qualified threshold, and triggers sound light feedback unit to realize green light qualified display or red light alarm.The application realizes the operation of non-contact detection, automatic calculation, instant determination and on-site feedback of soil thickness and ramming degree, adapts to the construction requirements of low disturbance of earth ruins ramming, has high detection accuracy and is easy to operate, can construct construction management of detection, determination, construction correction and process connection, effectively guarantees the construction quality of earth ruins ramming reinforcement engineering, and improves construction progress.

The invention relates to the technical field of buildings, and discloses a rammed earth wall construction formwork and a construction method, and the rammed earth wall construction formwork comprises a clamping assembly and a pressurizing assembly; the clamping assembly comprises two face plates oppositely arranged in the second direction, and the two face plates are arranged on the two sides of the rammed earth wall correspondingly and attached to the rammed earth wall. The pressurizing assembly comprises a main beam, a secondary beam and an opposite-pulling structure, the main beam and the secondary beam are arranged corresponding to the panel, the main beam extends in the third direction, the secondary beam extends in the first direction, and the opposite-pulling structure extends in the second direction; the secondary beams are arranged between the panels and the main beams, and the two ends of the opposite-pulling structure are connected with the two main beams correspondingly; through the multiple main beams and the multiple secondary beams which are arranged in a staggered mode, stress on the face plate is more balanced, the whole formwork structure stability is higher, meanwhile, the hoisting steel bars are matched with the secondary beams, the formwork transferring efficiency is improved, and then the construction efficiency of the rammed earth wall is improved.

The utility model discloses an immature soil building reinforcing structure, which belongs to the technical field of ancient building reinforcement and comprises a wood frame component and a reinforcing and leveling component, the wood frame component is positioned in an immature soil building and is tightly attached to the inner surface of a wall, and the reinforcing and leveling component is positioned in the immature soil building. The wood frame assembly comprises a plurality of wood constructional columns, column foundations fixedly connected with the lower portions of the wood constructional columns and wood beams connected with the upper portions of the wood constructional columns in a mortise and tenon joint mode, the reinforcing and leveling assembly is located between the wood frame assembly and the inner surface of the wall body, the wood plates are tightly attached to the inner surface of the wall body, and the wood tips penetrate through the wood constructional columns to be fixed to the wood plates. And grass mud is filled between the wood boards and the wood constructional columns. By arranging the wood frame assembly, the effect that the wall falls down and the house does not collapse is achieved, meanwhile, in order to guarantee effective supporting between the inner surface of an original wall and the wood frame assembly, the reinforcing and leveling assembly is arranged, the wood plates and the wood constructional columns are fixed through wood tips, the space between the wood plates and the wood constructional columns is filled with grass mud, and the integrity between the wood plates and the wood constructional columns is enhanced.

The application discloses a coiled tubing drilling downhole system convenient to move and position, which comprises a bottom plate, four through grooves are formed through the bottom of the bottom plate, four universal wheels are arranged on the bottom of the bottom plate, a handle is fixed to one side of the top of the bottom plate, a supporting frame is arranged above the bottom plate, four square tubes are fixed to the supporting frame, a positioning and stabilizing assembly is arranged in each of the square tubes, a traction roller is rotatably connected to the inside of the supporting frame, and a first motor is fixed to one side of the supporting frame. The application relates to the technical field of oil exploration. The coiled tubing drilling downhole system convenient to move and position is provided with an automatic tamping mechanism, which can automatically tamp the soil and gravel divided to the two sides of a drilling hole, cooperates with an automatic soil dividing assembly to avoid the loose soil and gravel around the drilling hole from sliding into the drilling hole, and thus improves the drilling efficiency.

The application relates to the technical field of building construction, and discloses a forming method of a rammed earth city wall and an auxiliary mold frame thereof. The forming method of the rammed earth city wall and the auxiliary mold frame thereof comprise the following steps: selecting a soil sample; building a mold frame; and filling and ramming in layers. The mold frame unit comprises an end plate, an aluminum mold frame I, an aluminum mold frame II, a steel plate frame fixedly installed on the aluminum mold frame II, and a positioning unit arranged at the bottom of the aluminum mold frame I and the aluminum mold frame II. The forming method of the rammed earth city wall and the auxiliary mold frame thereof are characterized in that the bolts connected between the aluminum mold frame I and the aluminum mold frame II are removed, and the aluminum mold frame I and the aluminum mold frame II are adjusted in position under the action of the steel plate frame, so that the mold frame unit can be smoothly transferred. The positioning unit is used to keep the mold frame unit in a stable state during ramming, so that the mold frame unit cannot move during ramming, and the straightness of the rammed city wall can be effectively known by observing the contact position of the steel rod frame and the shaft-shaped supporting part.

This utility model discloses a rammed earth machine for building construction, relating to the field of building construction technology. The rammed earth machine includes a frame, a traction motor, and a U-shaped transmission plate. A support plate is fixedly installed on the top of the frame; a ramming plate is mounted on the support plate, and the traction motor drives the ramming plate to rise. Through the setting of a guide stabilizing rod, the ramming plate can be guided during its descent, thus determining the landing point of the ramming plate. This not only ensures the ramming plate lands accurately on the ramming location but also prevents the ramming plate from shifting and causing injury to workers, thereby improving the practicality of the device. Furthermore, the drive motor can move an L-shaped lifting plate, which, after movement, allows the ramming plate to be lifted via a U-shaped connecting plate. This design reduces worker involvement, lowers labor intensity, and further improves the safety of the device.

The invention discloses a construction method of weather-resistant artistic rammed earth paint. The construction method comprises the following steps: leveling a wall surface base layer and applying putty; constructing a first layer of primer on the surface of the putty to seal a base layer and prevent alkaline substances from overflowing; constructing a second layer of primer on the surface of the first layer of primer for enhancing the adhesive force of the middle layer of paint; snapping line division is conducted on the wall surface, and a plurality of construction cells are formed on the wall surface; middle-layer paint is scraped in each cell in batches so as to meet the design art requirement; and finish-coat paint is constructed on the surface of the middle-layer paint and used for protecting the middle-layer paint, through the construction method, the overall weather resistance and durability of the rammed earth paint are improved, and the service life is prolonged.

The utility model discloses a device for safely storing CNG (compressed natural gas), which belongs to the technical field of natural gas storage and comprises a vertical tank and a horizontal tank, the bottom of the vertical tank is welded with the top of the horizontal tank, and the vertical tank and the horizontal tank are internally communicated. A vertical well is formed on the periphery of the vertical tank, and a horizontal well is formed on the periphery of the horizontal tank; a safety operation mechanism is arranged at the top of the vertical tank; according to the utility model, the vertical tank and the horizontal tank which are made of 16Mnr special steel are combined and welded, the outer wall of the tank body adopts three-PE (Poly Ethylene) for corrosion prevention, and the foundation at the periphery of the tank body is mounted by tamping and wrapping concrete, so that the mounting cost and the manufacturing cost are effectively reduced and are only 20% of the manufacturing cost of similar products; according to the utility model, the vertical shaft device is reasonably added, the reserve is greatly increased, the purpose of quantity storage peak regulation is completely realized, and the economic benefits of operators are increased.

The utility model discloses a novel basement waterproof protection heat preservation structure, which belongs to the technical field of building construction and comprises a reinforced concrete wall body, and a plastering mortar leveling layer, a waterproof layer, a heat preservation layer and a backfill material layer are sequentially arranged on the outer side of the reinforced concrete wall body. According to the plastering mortar leveling wall, the flatness and the strength of the whole wall can be improved, the firmness of the waterproof roll and the wall is improved, and the waterproof performance is improved; the waterproof layer and the heat preservation integrated plate are bonded through a frame point method, the overall bonding strength is improved, the heat preservation integrated plate is prevented from falling off in the tamping process, and the firmness of the integrated plate is enhanced; the heat preservation integrated plate has a good heat transfer coefficient and impact resistance, damage of stones in rammed earth to the EPS heat preservation plate can be effectively relieved in the tamping process, and the EPS better plays a heat preservation and insulation role; the board joints are filled with polystyrene foam, so that the board joints have heat preservation and heat insulation effects, the heat preservation boards are bonded into a whole, cracking is prevented, and the integrity and strength of the whole wall are enhanced.

The application provides a rammed earth wall construction deformation intelligent monitoring system, and is based on the problems of low accuracy, strong subjectivity, low frequency and large labor cost of an existing deformation observation method in a rammed earth wall construction process; through a monitoring image acquisition module, a monitoring image calculation module, a deformation data processing module and a deformation safety early warning module, the rammed earth wall construction deformation process stability, measurement high accuracy and labor cost saving construction monitoring can be achieved in the rammed earth wall construction process of a traditional village.

The application relates to the field of wall painting technology, in particular to a weathered rammed earth painting device, which comprises a handle, the end of the handle is fixedly connected with a connecting block, the connecting block is fixedly connected with a fixing frame, the fixing frame is fixedly connected with two groups of fixing pipes, the fixing pipes are rotationally connected with rotating pipes, the outer side of the rotating pipes is sleeved with painting rollers, the end of the fixing pipes is connected with a communicating piece installed in the fixing frame and the handle, paint is delivered to the painting rollers through the delivery pipe, and the communicating piece and the rotating piece are used to deliver the paint when working and stop delivering the paint when not working, so that the problem that the paint on the painting roller is too much to drop and be wasted due to repeated dipping of the painting roller in the prior art is solved.