2098 results about "Cement slurry" patented technology

The present invention provides a construction method suitable for vegetation restoration of a bare rock slope, characterized by comprising the following steps: S1, preparation of a treatment area: before actual construction, preparing an area to be treated using a combination of mechanical and manual means; S2: providing a plant vine climbing net; S3: anchor rod construction: implementing on a rock slope surface with an inclination greater than 75°, wherein the slope surface should be drilled from top to bottom, the depth of the drilling is determined according to properties of the rock, a self-spinning resin anchor rod is fixed in a drilled hole on the slope surface with cement slurry, leaving a small part for hanging a galvanized gabion multidimensional mesh cage; S4: building a plant growth chamber, a gabion retaining wall and a construction system apparatus; S5: filling a matrix; S6: vegetation arrangement: selected dominant plant species must be drought-tolerant, barren-tolerant and fast-growing, and have strong sprouting ability and coverage capacity. The present invention integrates slope protection, intelligent water collection, water storage and drip irrigation apparatuses, matrix improvement, and vegetation arrangement, thereby ensuring the effectiveness of the restoration.

The present invention relates to a basalt fiber reinforced concrete, which includes: a cement slurry with a water-to-cement ratio between 0.3 and 0.5, and a slurry volume percentage between 15-25%; an aggregate with an aggregate volume percentage between 65% and 75%; a basalt fiber reinforcement with a fiber volume percentage between 0.2% and 1.00%; and a concrete admixture used to adjust the properties of the basalt fiber reinforced concrete.

The invention discloses a slow-release self-adaptive expansion microcapsule, a preparation method and a cement-based material, the slow-release self-adaptive expansion microcapsule is of a core-shell structure, and the core-shell structure comprises a plurality of cores composed of 100 parts of an expanding agent, 5-15 parts of an adhesive and 10-25 parts of an active filler; the shell is formed by 5-20 parts of a coating agent; wherein the shell covers the plurality of cores and forms a core-shell structure; the shell can be dissolved in a liquid environment to release the plurality of cores to absorb the liquid and create expansion. The microcapsule has a core-shell double-layer structure, and comprises an outer polymer shell layer and an inner core, wherein the inner core contains a self-adaptive expansion material, and the outer polymer shell layer serves as an outer layer. The external polymer shell layer ensures the slow release effect of the microcapsule, and meanwhile protects the inner core from being influenced by water in cement paste, and the inner core can be pumped to a target layer along with the paste; the internal expansion material core ensures that the capsule can rapidly absorb water and expand after being released, so that the aims of preventing channeling and leaking stoppage are fulfilled.

The invention relates to a gob-side entry retaining grouting reinforcement technology in the field of mining engineering, provides a method for grouting reinforcement of a reuse roof of a gob-side entry retaining of a coal mine and accurate control of the grouting amount, and aims to realize real-time monitoring and control of the grouting amount in the grouting process. According to the method, pressure monitoring, flow velocity monitoring, low-frequency electromagnetic wave detection, ultrasonic detection and on-site drilling slurry discharge monitoring are combined, the grouting process is detected in real time through multiple monitoring means, and it is ensured that cement slurry fills cracks and does not flow into a goaf. And meanwhile, cement paste with different particle sizes is adopted for grouting step by step according to the size of the crack, and paste leakage is avoided while the filling effect is guaranteed. The method is suitable for grouting operation under complex geological conditions, has the characteristics of high efficiency and accuracy, and remarkably improves the stability and safety in the use process of a roadway.

A corrosion-resistant material for a cement slurry, a carbon dioxide corrosion resistant cement slurry, a preparation method, and a use. The corrosion-resistant material comprises a mixture A and a mixture B, wherein the mixture A comprises activated carbon, nanosilicon dioxide, and nano-alumina; the mixture B comprises a component C and a component D; the component C is selected from diatomite and / or fly ash; and the component D is selected from one or more of metakaolin, pumice, and coal gangue. The carbon dioxide corrosion resistant cement slurry made of the corrosion-resistant material has good corrosion resistance in a CO2 corrosion environment; the cement stone before corrosion has a high compressive strength and a compact structure; and the cement stone after corrosion has good comprehensive properties, for example, has no obvious decrease in compressive strength, small permeability, good mechanical properties, good settling stability, and good rheology, such that the cementing quality of a CCUS well is guaranteed, and efficient storage of CO2 is achieved.

The invention provides a cement paste system with high strength, elasticity and toughness and application of the cement paste system in deep coal bed gas horizontal well cementation, and the cement paste system is prepared from the following raw materials in parts by mass: 40-70 parts of oil well cement, 13-40 parts of fly ash, 15-45 parts of slag, 5.0-20.0 parts of water-based organic silicon resin, 0.1-0.5 part of ultra-high performance polyethylene fiber, 3.0-8.0 parts of calcium oxide and 2.0-5.0 parts of calcium sulfate whisker. 1.0-8.0 parts of nano silicon dioxide, 1.0-6.0 parts of a fluid loss agent, 0.5-2.0 parts of a drag reducer, 0.2-1 part of a defoaming agent and 50-80 parts of water. The cement paste system disclosed by the invention has the characteristics of remarkable low-temperature quick setting and high early strength, also has the advantages of low water loss, controllable thickening, simple preparation operation and the like, and set cement is high in compressive strength, high in breaking strength and very excellent in elastic and tough mechanical properties.

The invention relates to the field of oil and gas well cementation, and discloses an oil well cementation cement slurry system and application thereof. The cement paste system comprises the following components in parts by weight: 100 parts of oil well cement, 20-80 parts of a high-temperature stabilizer, 15-80 parts of a high-temperature reinforcing agent, 0.5-6 parts of a retarder, 2-10 parts of a fluid loss agent, 0.1-2 parts of a defoaming agent and 35-90 parts of water, wherein the high-temperature stabilizer is a mixture containing quartz sand, silica fume and nano-silica which are different in average particle size; the high-temperature reinforcing agent is selected from at least one of pyrophyllite, epidote, actinolite, aluminum stone, sillimanite and boehmite. The cement paste system is mixed by adopting a conventional method, the density and the thickening time are adjustable, the flowing property is good, the water loss is small, the strength of formed cement stone is high, the cement stone does not decline for a long time at the high temperature of 150-240 DEG C, and the technical requirements of deep and ultra-deep high-temperature and high-pressure well cementation construction are completely met.

A method of cementing a wellbore includes injecting into the wellbore a cement slurry containing: an accelerator composite having a shell encapsulating a core including an accelerator and a disintegrating agent, the disintegrating agent including at least one of a phase change material or a gas-producing material; a cementitious material; and an aqueous carrier; and releasing the accelerator from the accelerator composite.

A method of cementing a wellbore includes injecting into the wellbore a cement slurry containing: an accelerator composite having a shell encapsulating a core including an accelerator and a disintegrating agent, the disintegrating agent including at least one of a phase change material or a gas-producing material; a cementitious material; and an aqueous carrier; and releasing the accelerator from the accelerator composite.

According to the intelligent control method and system for the double-wheel milling and deep stirring equipment, geological data of a construction area are obtained through preset stratum detection equipment, geological data corresponding to a construction groove section are determined, and the tunneling speed is intelligently adjusted in combination with the milling wheel torque monitored in real time and the current tunneling depth. According to the method, speed adjustment is carried out according to milling wheel torque data, tunneling depth and stratum geological data, meanwhile, associated data of the tunneling depth and the speed are generated, and finally cement paste is injected into a groove section when equipment is lifted. According to the intelligent control method, construction parameters can be adaptively adjusted according to different geological conditions, the milling efficiency and precision are effectively improved, equipment abrasion is reduced, and the service life of equipment is prolonged. Through the combination of real-time data monitoring and intelligent parameter adjustment, the method realizes the accurate control and optimization of the construction process of the milling and deep stirring equipment, and provides more efficient and reliable technical support for the construction of the cement-soil continuous wall.

The invention relates to a design method for the mix proportion of carbonized 3D printing concrete and the carbonized 3D printing concrete. Carbon dioxide is introduced into cement-based printing slurry, the introduction amount of the carbon dioxide is controlled, and when the carbon dioxide is introduced into the cement-based printing slurry, the use amount of magnesium chloride is calculated according to the content of a carbonization reaction product CaCO3 and the proportion of calcite to aragonite in a required concrete mixture. Magnesium chloride and carbon dioxide are added into the cement-based printing slurry at the same time for full reaction, and finally the 3D printing concrete material is prepared. By adding magnesium chloride and generating aragonite type calcium carbonate, the thixotropic behavior of the material is improved, the constructability of the cement slurry is higher, the orientation of the nano-scale aragonite fibers is arranged according to the printing direction, the reinforcing and toughening effects are excellent, and the bending resistance, bending resistance and compressive strength are all improved.

The invention belongs to the technical field of oil field well cementation cement paste, and particularly relates to thixotropic cement paste and a preparation method thereof. The thixotropic cement paste provided by the invention comprises water, a dry powder material, modified silica sol, a polymer fluid loss agent and other additives. The cement paste disclosed by the invention has the characteristics of viscoelasticity, no dispersion under water, thixotropy and leaking stoppage.

The invention discloses 3D printing low-carbon concrete containing modified recycled aggregate and a micro-powder reinforcer. The 3D printing low-carbon concrete is prepared by the following steps: (1) putting recycled concrete coarse aggregate into sodium or potash water glass, and performing ultrasonic treatment; then separating the coarse aggregate, performing carbonization treatment, and heating the obtained coarse aggregate to obtain the pretreated recycled aggregate. And (2) placing the pretreated recycled aggregate in saturated lime water, and carrying out heating and heat preservation treatment to obtain the modified recycled aggregate. And (3) forming a wet material from the waste cement slurry powder, gamma-C2S powder and water, performing carbonization treatment on the wet material, performing heating treatment, and grinding the obtained solid to obtain the modified regenerated micro-powder enhancer. And (4) uniformly mixing the cement, the modified recycled aggregate, the fine aggregate, the micro-powder enhancer, the water reducing agent and the water to obtain the concrete. The process provided by the invention not only improves the mechanical strength and fluidity of the 3D printing concrete prepared from the recycled concrete aggregate, but also consumes carbon dioxide and reduces carbon emission.

The invention belongs to the technical field of foundation pit supporting, and discloses a foundation pit supporting structure for foundation pit excavation, which comprises an excavator body, a movable soil collecting mechanism is arranged between an excavator bucket of the excavator body and a crawler belt, and the soil collecting mechanism comprises a soil collecting frame, a soil breaking roller and a driving motor. Through the synergistic effect of the soil collecting mechanism, the soil moving mechanism, the mixing mechanism and the supporting mechanism, synchronous excavation and supporting of the foundation pit are achieved, the side wall of the foundation pit is refilled with excavated soil to form a supporting wall, cement slurry is injected through the mixing mechanism to reinforce a soil body, and therefore the problems existing in a traditional method are solved; therefore, the method has the advantages of improving the engineering quality, reducing the risk, saving the cost and conforming to environment-friendly sustainable development.

The invention discloses a coal gangue-based lightweight concrete material as well as a preparation method and application thereof, and belongs to the technical field of building materials. The coal gangue-based lightweight concrete material is prepared by the following method: mixing cement, coal gangue, fly ash, silica fume, an anti-crack water reducer, a reinforcing component and water to prepare cement slurry; adding water to dilute the composite foaming agent, and preparing foam with a uniform structure through a compressed air foaming machine; and adding foam into the cement slurry, uniformly stirring and mixing, pouring into a mold, and curing to obtain the coal gangue-based lightweight concrete material. The stability of foam concrete bubbles in slurry is improved, the cement-coal gangue-bubble interface bonding force is improved, and the pressure intensity, pore distribution, contractibility, water absorption and other performance of the coal gangue foam concrete are improved.

The invention provides high-toughness micro-expansive cement paste suitable for high-temperature well cementation. The cement paste comprises the following raw materials in parts by weight: 60-90 parts of G-grade oil well cement, 20-40 parts of an active material, 3-12 parts of a high-performance toughening agent, 3-10 parts of nano oxide, 0.5-5 parts of an expanding agent, 3-5 parts of a chemical exciting agent, 1-3 parts of a high-temperature fluid loss agent, 0.5-3 parts of a high-temperature retarder and 0.1-1 part of a dispersing agent, and 0.2-1 part by weight of a defoaming agent. By adding the active material, the high-performance toughening agent, the nano oxide and the expanding agent, the high-temperature resistance and toughness of the cement paste, the cementation quality of a cement sheath and the like are improved; through the combined action of the four components, the high-temperature resistance, toughness and surrounding rock interface cementation performance of the cement are comprehensively improved; and the cement paste is matched with other components for use, so that the cement paste has the advantages of good stability, low water loss, good rheological property and the like, is suitable for underground gas storage well cementation, can improve the well cementation quality of a stratum sealing section, and ensures the sealing integrity of a cement sheath under frequent injection and production.

The present invention relates to a sealing method for high-flow water inrush at a side wall of a foundation pit, the method comprising: calculating the minimum radius of a counter-pressure soil berm on the basis of the flow time of a liquid slurry in the counter-pressure soil berm being not less than the chemical setting time of the liquid slurry; piling up filtering sand bags on a foundation pit excavation face at a water inrush point, and constructing the counter-pressure soil berm; constructing annular grouting holes at the foundation pit on the outside of support piles and a cut-off curtain; according to the planar arrangement of the annular grouting holes, successively injecting a double-liquid slurry formed by mixing a cement slurry and sodium silicate into the annular grouting holes; inspecting the water seepage condition on the periphery of the counter-pressure soil berm until no water seepage occurs on the periphery of the counter-pressure soil berm; and excavating the counter-pressure soil berm layer by layer until the excavation reaches the pit bottom without water seepage observed at a side wall of the foundation pit. The present invention has the beneficial effects that: the size of the counter-pressure soil berm is optimally designed on the basis of the condition that the flow time of the double-liquid slurry in the soil berm is longer than the setting time, so as to solve the problems of slurry setting failure and poor grouting and sealing effects, thus saving a large amount of grouting materials, and reducing economic loss caused by secondary sealing.

The device comprises a permeable steel casing, a drilling machine and a counter-force frame, the permeable steel casing is provided with a permeable steel casing window and a permeable hole, a base is arranged at the bottom of the drilling machine, the drilling machine can be installed in the permeable steel casing through the base, and the counter-force frame is connected with the permeable steel casing window. And a turntable is arranged on the base. The high-pressure jet flow soil sampling rod on the drilling machine can rotate by 360 degrees, spouted high-pressure water makes raised soil below a bottom plate into slurry, the slurry is discharged into the permeable steel casing and pumped out of the ground through a slurry pump, a raised area of the bottom plate is emptied and then pressurized through a jack to restore to the original position, the slurry is replaced with the cement slurry, and a new bottom plate bearing layer is formed after reinforcement. The permeable steel casing for soil sampling is transformed into the dewatering well, the underground water level is controlled below the bottom surface of the basement bottom plate all the time through linkage of the automatic water level gauge and the water pump, and the problem that the underground water level of the basement bottom plate swells in extreme weather to cause damage and failure of an anti-floating structure again is solved.

The utility model provides a leaking stoppage drainage device for water conservancy project management, which comprises a drainage dredging pipe seat, a plugging expansion seat and a controllable valve, the plugging expansion seat and the controllable valve are fixedly arranged on the drainage dredging pipe seat, the controllable valve is communicated with the drainage dredging pipe seat, and the plugging expansion seat is fixedly arranged on the drainage dredging pipe seat. The drainage dredging pipe seat is used for controlling drainage of liquid in the drainage dredging pipe seat; an expansion type plugging and sealing mechanism is adopted, the air bag is rapidly expanded by injecting cement paste, the air bag is tightly attached to a leak, and efficient plugging is achieved. By means of the design, direct contact between internal cement and external water flow is avoided, the scouring influence is reduced, and the durability and reliability of the plugging effect are improved. In addition, the device is high in flexibility and suitable for loopholes of various shapes and sizes, and a powerful guarantee is provided for safe and stable operation of water conservancy projects.

The invention relates to the technical field of self-healing agents, in particular to a well cementation cement slurry self-healing agent and a preparation method thereof. The modified polyethylene glycol terephthalate polymer comprises the following components in parts by weight: 30-50 parts of modified polyethylene glycol terephthalate polymer, 2-10 parts of metal oxide, 5-15 parts of lithium silicate, 0.5-2 parts of persulfate, 0.1-1 part of bacillus subtilis and 1-5 parts of calcium lactate. The isosorbide can react with ester bonds in polyethylene glycol terephthalate, so that more hydroxyl groups are introduced, and the hydroxyl groups can interact with cement hydration products or metal oxides and lithium silicate to promote formation of new mineral phases at cracks. The generation of the new mineral phase is beneficial to filling and repairing cracks, and the self-healing of the cement paste is realized, so that the long-term stability of a well cementation structure is improved. Tetraethyl orthosilicate can cooperate with other components such as the modified polyethylene glycol terephthalate polymer to jointly promote the self-healing process of set cement.

The invention relates to gas / oil well mouth sealing equipment, in particular to an inner inserting pipe type well cementation well mouth sealing device structure which comprises a drill rod radish head, a first annular protrusion I, a second annular protrusion II, a sealing ring, a sealing ring, a sealing ring and an inner inserting pipe sealing ring, the outer cylindrical face of the drill rod radish head is provided with a first annular protrusion I, and the lower end face of the first annular protrusion I is a conical slope b; a second annular bulge II is arranged on the inner wall of the upper section part of the sleeve joint, and the upper end surface of the second annular bulge II is a conical inclined surface c; a central hole is formed in the pressing cap; the drill rod radish head seat is placed in the sleeve joint, the conical inclined surface b is adaptively propped against the conical inclined surface c, and a sealing ring is arranged between the conical inclined surface b and the conical inclined surface c; a pressing cap is arranged on the radish head of the drill rod from top to bottom in a sleeving mode, abuts against the conical slope a and is connected with the sleeve joint in a threaded fit mode; cement paste is injected into a well through the drill rod, and the cement paste directly enters a gap between the stratum well wall and the casing pipe from the lower end of the drill rod, so that well cementation is achieved. The sealing device has the beneficial effects that the sealing effect is excellent, and the situation of sealing failure is not prone to occurring; the structure is simple and cost is low.

The invention discloses a high-temperature and high-pressure well cementation interface shear cementing strength measuring device and method, and belongs to the field of oil and gas well cementation. The device comprises a kettle body, an oil storage tank, a hydraulic pump, an electric control system, a display, a supporting frame and a base, wherein the kettle body comprises a top cover, an upper kettle, a lower kettle, a bottom cover, a simulation sleeve, a simulation stratum, a positioning steel cylinder, a piston cylinder body, an inner piston, an outer piston and a floating bearing plate. The method comprises the following steps: pouring cement paste into an annular space between a simulation casing and a simulation stratum; curing the cement paste at constant temperature and constant pressure; slowly increasing the pressure of the inner cavity of the piston, and enabling the inner piston to move downwards until the simulation sleeve is separated from the cement sheath; the pressure of the inner cavity of the piston is continuously increased, and the outer piston moves downwards under the pushing action of the inner piston until the cement sheath is separated from the simulated stratum. The test process is controllable, the test result conforms to the underground environment, and an important technical means is provided for optimizing the cement slurry performance and well cementation process parameters and further improving the well cementation quality of an oil and gas well.

Rotating a casing during a cementing operation to ensure efficient displacement of cement slurry. More specifically, embodiments are directed towards a sub and rotating tool that are positioned above a first cement operation, wherein the rotating tool is positioned in a kickoff point or build section of a horizontal well.

The invention discloses a low-temperature early-strength cement slurry system based on a cellulose-based composite phase change material, and belongs to the field of oil and gas field well cementation. The preparation method of the composite phase change material comprises the following steps: adding pretreated waste paper fibers, a cross-linking agent and a heat conduction material into an alkali / urea solution, and putting the mixture into an ultrasonic cleaning instrument to obtain a mixture A; transferring to a dialysis bag, and soaking in deionized water to obtain a mixture B; and performing in-situ mixing on the mixture C and organic phase change material molecules to obtain a mixture C, and performing vacuum freeze drying. The low-temperature early-strength cement slurry system is prepared from the following components in parts by weight: 100 parts of cement, 0.3-1 part of a composite phase change material, 5-25 parts of a density reducing material, 0.1-0.8 part of an early strength agent, 0.2-1 part of a dispersing agent, 0.2-2 parts of a fluid loss agent, 0.01-0.5 part of a defoaming agent and 44-58 parts of water. While cement hydration heat release is regulated and controlled, the early compressive strength of the cement can be improved, and the operation time efficiency and the construction safety are improved.

The invention discloses a carbon dioxide injection and production well cementation cement paste and a preparation method and application thereof, the well cementation cement paste comprises the following components by weight: 95-105 parts of oil well cement, 44-48 parts of water, 4-6 parts of a polymer emulsion, 4-6 parts of a self-repairing material, 1.5-2.5 parts of a drag reducer, 0.5-1.5 parts of a fluid loss agent and 0.2-0.8 part of an antifoaming agent; wherein the polymer emulsion is an emulsion which is formed by taking methyl methacrylate, vinyl trimethoxy silane and propylene carbonate as monomers through polymerization; the self-repairing material is a microcapsule in which thiobacillus ferrooxidans thalli and bacillus amyloliquefaciens thalli are embedded. The well cementation cement paste keeps good strength and relatively low permeability in a carbon dioxide environment, is good in corrosion resistance and has self-repairing capability.

The invention discloses a well cementation cement slurry performance prediction method and device and computing equipment. The method comprises the steps that to-be-predicted cement slurry admixture formula data are acquired; and inputting to-be-predicted cement paste additive formula data into a pre-trained performance prediction model for processing to obtain cement paste performance prediction data. Through the above mode, the neural network model is trained by using the known data, and the cement paste performance corresponding to the cement paste admixture formula is obtained through prediction of the neural network model, so that the experiment workload can be reduced, and the efficiency of cement paste performance determination can be improved.

The invention relates to the technical field of well cementation materials and provides well cementation cement stone based on water-based benzoxazine resin as well as a preparation method and application of the well cementation cement stone. The well cementation cement stone is prepared from the following components in parts by mass: 400-600 parts of quartz sand, 4-6 parts of a retarder, 4-6 parts of a fluid loss agent, 1-2 parts of a suspension stabilizer, 1-2 parts of a dispersant, 4-6 parts of a high-temperature-resistant water-based benzoxazine monomer and 40-50 parts of water, and the high-temperature-resistant water-based benzoxazine monomer is prepared from a phenolic compound, primary amine and formaldehyde through Mannich reaction. Resin formed by the prepared benzoxazine monomer has improved mechanical properties at a high temperature of 150-200 DEG C, the mechanical properties and high temperature resistance of well cementation cement at a high temperature are significantly improved by filling pores of set cement and optimizing cement components, the benzoxazine monomer in a cement slurry system does not affect the fluidity of cement slurry, and the well cementation cement has a good application prospect. Meanwhile, the high-temperature strength of set cement can be remarkably enhanced, and the cement is suitable for well cementation of high-temperature deep wells.

The invention relates to the technical field of oil wells, in particular to a slow-release type gas expanding agent and a preparation method and application thereof.The slow-release type gas expanding agent is prepared from, by weight, 1000-2000 parts of water, 800-1000 parts of alkali-soluble resin monomers, 125-250 parts of a nitrogen type gas forming agent, 1-5 parts of a surfactant, 1-5 parts of a dispersing agent and 5-20 parts of an initiator. Alkali-soluble resin monomers are polymerized to form alkali-soluble resin serving as a wall material, a nitrogen type gas forming agent serves as a core material, and in the alkaline environment of cement paste, the wall material is gradually dissolved, the core material nitrogen type gas forming agent is released and reacts in the cement paste to generate nitrogen, so that the gas forming rate is greatly reduced, and a gas expansion source is continuously provided for the plastic stage of the cement paste.

The present invention discloses a low-temperature resistant and early-strength type alkali-free liquid accelerating agent and its preparation method, belonging to the technical field of alkali-free liquid accelerating agents. The composition includes 12-15 parts of aluminum sulfate, 2-5 parts of sodium thiocyanate embedded by β-cyclodextrin, 5-8 parts of calcium hydroxide deactivator, 3-5 parts of fiber, 5-10 parts of hydrophilic polymer substance, 3-5 parts of cationic surfactant, 6-10 parts of polyaluminum chloride, and 2-3 parts of air-entraining agent. The low-temperature resistant and early-strength type alkali-free liquid accelerating agent of the present invention can improve the frost resistance of sulfate alkali-free accelerating agents, reduce the viscosity of cement slurry, promote the hydration reaction of C3S, shorten the setting time of concrete, and improve the later strength of concrete.

The invention discloses a building cement floor construction leveling device, and relates to the technical field of cement floor construction, the building cement floor construction leveling device comprises a scraping plate, a vibration support is installed in the middle of the scraping plate, a vibration motor is installed on the vibration support, and an operation frame used for moving the leveling device is further installed on the vibration support; the lifting mechanism is installed on the rear side of the scraping plate, the lifting mechanism comprises a fixed plate and a lifting plate, and the lifting plate can do lifting motion relative to the fixed plate; the plurality of movable mounting mechanisms are mounted on the lifting plate and are used for movably mounting the vertical vibration mechanism; through cooperative arrangement of the lifting mechanism, the movable mounting mechanism and the vertical vibration mechanism, internal vibration treatment of thick cement pavement slurry can be achieved, exhaust of gas in the cement slurry is promoted, and the construction quality of leveling of the thick cement pavement can be improved in combination with scraper vibration leveling.