29results about How to "Improve anti-settling effect" patented technology

The invention relates to the technical field of fine chemical engineering, in particular to superfine ground calcium carbonate for a high-specific-surface-area low-moisture sealant as well as a preparation method and application of the superfine ground calcium carbonate. The preparation method comprises the following steps: mixing calcite particles with a compound grinding aid, and carrying out wet grinding to obtain a ground product; performing multiple grading treatment on the ground product to obtain a graded product; mixing the graded product with a moisture scavenger and a modifier, and modifying to obtain superfine heavy calcium carbonate; in the superfine heavy calcium carbonate, the content of particles smaller than or equal to 2 microns in calcium carbonate is larger than or equal to 85 wt%, D97 is smaller than or equal to 2.7 microns, the specific surface area is larger than or equal to 9 m < 2 > / g, and the water content is smaller than or equal to 500 ppm, the problems that traditional heavy calcium carbonate is poor in reinforcing effect, relatively high in water content and prone to sedimentation are solved, the dehydration time can be saved, the production efficiency can be improved, and the requirements of downstream customers are met; meanwhile, the stability of batches is good, the anti-settling effect is good, and part of light nano-calcium can be replaced in sealant production.

The utility model relates to the technical field of civil engineering, and discloses an expressway reconstruction and expansion soft foundation section anti-settlement structure which comprises an expansion connection anchor rod part and a soft foundation bracket part, an anchor rod piece is fixedly connected to the hard foundation side in an expansion foundation pit, a longitudinal connection batten with a transverse supporting batten welded to the lower end is connected to the anchor rod piece, and the soft foundation bracket part is fixedly connected to the expansion connection anchor rod part. When the soft foundation road section is expanded, connection between the expansion road section and the original expressway section is more convenient, meanwhile, the supporting brackets are welded to the transverse supporting plate strips, then concrete is poured into the expansion foundation pit provided with the supporting brackets, and the bottom foundation nets are fixedly welded between the adjacent transverse supporting plate strips. The bottom foundation net can hold and support poured concrete, and meanwhile the transverse supporting battens connected with the longitudinal connecting battens can be pulled by the longitudinal connecting battens, so that the anti-sedimentation effect on the soft foundation road section is better.

The invention discloses an internal waterproof, dustproof and anti-settling device during elevator installation, and relates to the technical field of elevator installation. The internal waterproof, dustproof and anti-sedimentation device during elevator installation comprises an anti-sedimentation lower plate, a protection unit, a limiting unit and a connecting unit, and a damping middle seat is fixedly installed at the top of the anti-sedimentation lower plate. According to the internal waterproof, dustproof and anti-sedimentation device used during elevator installation, through cooperative use of a rotating stud, a connecting hollow column, an adjusting supporting column, a reinforcing hollow column and a water feeding stone rod, the adjusting supporting column can ascend and descend, in this way, during installation, the position of an anti-sedimentation lower plate can be adjusted according to the installation position, and the installation efficiency is improved. The situation that after the anti-sedimentation supporting columns are inserted into the ground, the anti-sedimentation lower plate inclines due to different foundation hardness is reduced, then the levelness of the anti-sedimentation lower plate during installation can be increased, and underground accumulated water can be subjected to water absorption treatment through the arrangement of water feeding stone rods and water feeding stone plates.

The utility model discloses a polishing solution material dispersing device with an anti-settling function, which comprises a support frame, the support frame is arranged on external equipment, and a connecting mechanism is arranged on the external equipment. The connecting mechanism comprises a stirring shell, a circulating mechanism, a fixing sleeve, an external pipe, an inserting ring, a clamping mechanism, an ejector rod, a fitting block, a rotating sleeve, a linkage rod and a rotating disc, the circulating mechanism is installed on the stirring shell, the stirring shell is installed on the supporting frame, and the fixing sleeve communicates with the lower end face of the stirring shell; the installation position of the stirring shell and the arrangement of the circulating mechanism ensure that polishing liquid is fully stirred, suspended particles are prevented from settling, the installation process is simplified through the connection design of the fixing sleeve and the external pipe, good sealing performance is provided through cooperation of the insertion ring and the sealing groove, and leakage of the polishing liquid is prevented. And through the design of the connecting mechanism, the use convenience and the connecting stability of the material dispersing device are improved.

The invention relates to the technical field of pesticides, in particular to a pesticide composition containing refined glufosinate-ammonium and fluoroglycofen-ethyl and a preparation method of the pesticide composition. The pesticide composition containing refined glufosinate-ammonium and fluoroglycofen-ethyl is prepared from the following preparation raw materials in parts by mass: 25 to 30 parts of an active ingredient, 5 to 6 parts of a composite surfactant, 1 to 2 parts of glycerol, 2 to 3 parts of an organic thickening agent, 0.2 to 0.3 part of a de-foaming agent, 4 to 5 parts of a composite synergist, 1 to 1.3 parts of a dispersing agent, 0.3 to 0.5 part of a preservative and 160 to 170 parts of water. The pesticide composition containing refined glufosinate-ammonium and fluoroglycofen-ethyl has remarkable technical advantages in the aspects of synergistic interaction, high selectivity, environmental compatibility, improvement of the utilization rate and the pesticide effect, optimization of the anti-settling performance and the like.

The invention discloses a slurry composition and a preparation method and application thereof, and belongs to the technical field of slurry compositions.The slurry composition is prepared from, by mass, 100 parts of inorganic powder, 1-20 parts of polyvinyl acetal resin composition, 3-5 parts of plasticizer and 50-70 parts of organic solvent; wherein the polyvinyl acetal resin composition comprises polyvinyl acetal resin A and polyvinyl acetal resin B; the side chain of a molecular chain of the polyvinyl acetal resin B is grafted with epoxy cellulose, so that the polyvinyl acetal resin can be endowed with certain thixotropy, the flowing property and the dispersity of the slurry composition are improved, and a cross-linked network structure can be formed between the modified polyvinyl acetal resin, so that inorganic powder is better wrapped, and the slurry composition is more stable in performance. And the anti-settling purpose is achieved. The polymerization degree of the polyvinyl acetal resin A is relatively low, so that the viscosity of the slurry composition can be better regulated and controlled, and the processability and the mechanical property of the slurry composition are improved.

This utility model discloses an anti-settlement inspection well structure, including an asphalt pavement, a well cylinder fixed in the middle of the asphalt pavement, and a placement groove integrally set at the top of the well cylinder. Firstly, through a guide function design, the well cover can be easily combined with the well cylinder. Secondly, through a plug-in support design, the bracket supports the top rod, which in turn drives the support rod to support the central area of ​​the well cover. Therefore, by using the device in this application, the strength of the well cover under stress is improved, thereby enhancing the anti-settlement effect of the inspection well. Through a mechanical linkage design, a limiting rod can be inserted into a limiting hole, ensuring not only the stability of the connection between the well cover and the well cylinder but also increasing the strength of the support rod supporting the well cover. Furthermore, through a locking function design, the angle of the rotating support rod can be locked, ensuring the stability of the limiting rod inserted into the limiting hole.

The invention provides a railway bridge drilling construction method, and belongs to the technical field of bridge engineering. The railway bridge drilling construction method comprises the steps that construction preparation is conducted, specifically, site leveling, tamping and marking are conducted in the construction preparation; and the pile casing is buried to ensure that the pile casing is vertical and is prevented from inclining. Small-stroke trepanning is adopted, so that the hole wall of the primarily-formed hole is firm, vertical and smooth; the drill bit cleans holes for the first time, and sediments are removed; after the reinforcement cage and the guide pipe are installed, secondary hole cleaning is conducted; hole walls are prevented from being collided in the mounting and lowering process of the reinforcement cage; concrete is poured, and a guide pipe is used for pouring the concrete into the hole; and detecting and accepting. Through the steps of construction preparation, pile casing embedding, drilling, two-time hole cleaning, reinforcement cage mounting, concrete pouring, detection, acceptance inspection and the like, high-quality drilling operation is achieved, the forming quality of follow-up cast-in-place piles is improved, the overall supporting performance of a bridge is improved, and the good anti-sedimentation effect is achieved.

The utility model discloses an anti-sedimentation reinforcing device for a bridge foundation. Comprising a base, a supporting column and a bridge body arranged at the top end of the supporting column, reinforcing structures are symmetrically arranged on the front side and the rear side of the supporting column, each reinforcing structure comprises a connecting rod, a damping base, a first supporting rod, a second supporting rod and a damping structure, square columns are fixed to the front side and the rear side of the supporting column, and the square columns are movably sleeved with the connecting rods; the bottoms of the two ends of the connecting rod are each fixedly connected with a first connector, the damping seat is located below the connecting rod, a second connector is fixed to the upper portion of the damping seat, one ends of the first supporting rod and the second supporting rod are hinged to the first connectors at the two ends of the connecting rod respectively, and the other ends of the first supporting rod and the second supporting rod are hinged to the second connector on the damping seat. The first supporting rod, the second supporting rod and the connecting rod are in an inverted triangle shape, the damping structure is arranged at the bottom end of the damping seat and comprises a mounting cavity, a spring and a damping telescopic rod, the spring and the damping telescopic rod are arranged in the mounting cavity, and the bottom end of the damping seat is fixedly connected with the spring and the damping telescopic rod.

The utility model belongs to the technical field of bridge maintenance, and particularly relates to a bridge anti-sedimentation structure which comprises a bridge column, supporting plates and telescopic rods, the bottom of the bridge column is fixed in a soil layer, and the first supporting plate is arranged in the soil layer and fixed to the periphery of the bridge column; the second supporting plate is arranged on the soil layer and fixed to the periphery of the bridge column, and the bottom of the second supporting plate is fixed to the surface of the soil layer; the first elastic telescopic rod is arranged in a soil layer, the bottom of the first elastic telescopic rod is fixed to the top of the first supporting plate, and the top of the first elastic telescopic rod is fixed to the bottom of the second supporting plate; the third supporting plate is arranged in the middle of the bridge columns, the third supporting plate is at least in friction connection with the two bridge columns, the multiple stages of supporting plates and the multiple elastic telescopic rods are used for connecting all parts of the bridge, and settlement can be counteracted while the overall anti-settlement capacity of the bridge is improved.

The utility model discloses a kind of fixed devices of anti-settling type engineering survey control point marker stone burying, it is related to landmark fixing device technical field, to solve the current marker stone fixing device vertical force, easy to cause the technical problem of settlement, including marker stone, side shell and bottom frame, the bottom frame middle part is inserted and is equipped with assembly box, and arc pressure piece of arch bridge shape is equipped in assembly box lower side opening, the bottom of the marker stone is equipped with the inserted end inserted into assembly box, the side shell is slidably inserted in the both sides opening portion of bottom frame, the side shell is made of vertical plate and inclined plate, and the included angle is formed into clamping opening, transverse side flow opening is set up on the inclined plate of side shell, and the inside of vertical plate of side shell is symmetrically distributed with pressure block. The utility model has the advantages of arch bridge shape bearing bottom surface, dispersing stress improves the advantage of anti-settling effect.

This utility model discloses a settlement-preventing permeable paving structure for gardens, including a drainage roadbed and permeable bricks. Multiple parallel supporting base plates are distributed on the drainage roadbed, and stress-dispersing bases are mounted on the supporting base plates. The stress-dispersing bases are arranged in an orderly manner along the length of the supporting base plates. Each stress-dispersing base has a stress-dispersing inclined surface at its bottom on both sides and a stress-dispersing vertical surface at its top on both sides. This settlement-preventing permeable paving structure for gardens, by setting vertical and inclined mounting surfaces on the surface of conventional permeable bricks, and in conjunction with the stress-dispersing bases, allows a single permeable brick subjected to vertical pressure to have some of the pressure dispersed horizontally through the contact between the inclined mounting surfaces and the stress-dispersing inclined surfaces. This pressure can then be simultaneously diffused onto other types of permeable bricks, thus reducing the pressure on individual permeable bricks in a localized area.

The utility model discloses a highway subgrade anti-settlement device which comprises a subgrade and a bottom plate, anti-settlement structures are arranged at four corners of the bottom of the subgrade, a buffer structure is arranged between the subgrade and the bottom plate, and drainage structures are arranged at the top and the bottom of the buffer structure. Compared with the prior art, the anti-settling supporting column has the advantages that the anti-settling supporting column can be conveniently smashed into the stratum, and water can be effectively drained in rainy days to avoid the problem of settling caused by damage to the device due to water seepage of a roadbed and water accumulation between the bearing plate and the placing plate.

The invention discloses an anti-settlement highway subgrade structure, and relates to the technical field of highway subgrades, the anti-settlement highway subgrade structure comprises a soil base layer and a laying layer, an anti-settlement pile comprises an outer pipe and an inner pipe inserted in the outer pipe from top to bottom, the outer part of the outer pipe is provided with a connecting assembly connected with the inner pipe, and the lower end of the outer pipe is provided with a hollow tip; supporting and stabilizing assemblies are arranged in the multiple folding grooves correspondingly, an inner pile body is connected to the interior of the storage cavity in a sealed and sliding mode, the lower end of the inner pile body is connected with a tip end, a communicating assembly is arranged in the inner pile body, a plurality of extrusion pieces are arranged outside the tip end, and the interior of the storage cavity is filled with grouting materials. The anti-sedimentation pile can be laid more simply, conveniently, directly and efficiently, no extra operation needs to be temporarily carried out in the process of driving underground, the driving operation is completed at a time, a first curing layer and a second curing layer can be formed, the stability of the anti-sedimentation pile and a surrounding soil layer can be improved, and the service life of the anti-sedimentation pile is prolonged. The anti-settling effect is improved.

The utility model discloses an expressway anti-settlement structure which comprises an expressway body and a plurality of anti-settlement mechanisms, the anti-settlement mechanisms are evenly arranged in a roadbed, each anti-settlement mechanism comprises a base, a supporting pipe, a plurality of expansion branch pipes, a movable threaded sleeve and a steel bar frame, the base is installed at the bottom end of the supporting pipe, and the movable threaded sleeve is installed at the bottom end of the supporting pipe. A plurality of expansion branch pipes are uniformly arranged on the outer side wall of the supporting pipe; according to the anti-settlement structure of the expressway, the multiple anti-settlement mechanisms are arranged on the ground, the anti-settlement mechanisms are embedded in the roadbed, meanwhile, when a concrete road body is built, concrete is poured into the anti-settlement mechanisms, and the concrete road body and the anti-settlement mechanisms are connected and combined into a whole; the expansion branch pipes of the anti-sedimentation mechanism can effectively enlarge the contact area between the supporting pipes and the roadbed, so that the roadbed can better bear the anti-sedimentation mechanism, the possibility of sedimentation of the concrete road body and the asphalt road surface is reduced, and the anti-sedimentation performance of the expressway is better.

The utility model discloses an anti-sedimentation inspection well structure, and relates to the technical field of traffic road facilities, the anti-sedimentation inspection well structure comprises an upper pipeline, the upper pipeline is rotatably connected with a well lid, the peripheral surface of the upper pipeline is fixedly connected with a mounting shell, the mounting shell is detachably connected with a plurality of reinforcing plates, each reinforcing plate is connected with a fixing block, and the fixing blocks are fixedly connected with the well lid. The mounting shell is provided with a plurality of fixing grooves for clamping the fixing blocks, each fixing block is connected with two positioning blocks in a relatively sliding manner, the mounting shell is provided with positioning grooves for clamping the corresponding positioning blocks, the positioning grooves are communicated with the fixing grooves, and the reinforcing plate is connected with a driving structure for driving the positioning blocks to be separated from the positioning grooves. Different numbers of reinforcing plates are mounted according to undisturbed soil with different hardness, so that the application range of the anti-sedimentation inspection well structure is widened; the reinforcing plate increases the contact area between the upper pipeline and undisturbed soil, friction is increased, and the anti-sedimentation effect of the upper pipeline is improved.

The present invention discloses a thermal insulation topcoat with water-based ceramic particles for storage tanks and a preparation method thereof, and belongs to the technical field of coating preparation. The topcoat is mainly composed of water-based ceramic particles, modified acrylic emulsion and a variety of additives, and is prepared by a specific stirring, grinding and dispersing process. Compared with the prior art, the coating of the present invention adopts a water-based formula and meets modern environmental protection requirements. In addition, the present invention also optimizes the construction performance and storage stability of the coating, making it easier to construct and store. Through actual application tests, the coating of the present invention forms a uniform and dense coating on the surface of the storage tank, which has excellent heavy-duty anti-corrosion properties while being thermally insulating and energy-saving.

The invention relates to the technical field of pesticides, in particular to a suspending agent containing flubenquindox and bifenazate as well as a preparation method and application of the suspending agent. The suspending agent is prepared from the following components in percentage by mass: 10% of flubenquel, 10-20% of bifenazate, 1.2-1.5% of an organic thickening agent, 0.6-0.9% of a dispersing agent, 0.5-0.7% of a preservative, 2-4% of a stabilizer, 1-1.5% of an anti-freezing agent, 0.5-0.7% of a defoaming agent, 3-3.5% of a composite synergist and the balance of deionized water. The suspending agent containing flubenquindox and bifenazate prepared in the invention has excellent prevention and treatment effects, good dispersibility and high suspension rate. The suspending agent shows excellent spreading and penetrating performance and adhesive capacity on the surface of a plant body, and is resistant to rain wash; secondary distribution can be slowly and effectively carried out under a humid condition, so that the pesticide effect is remarkable and lasting.

The well lid comprises a well ring, a well lid body, an insertion groove, a limiting rod and a fixing block, an inner supporting ring is fixedly connected to the lower portion of the inner side of the well ring, steering grooves are formed in the two sides of the inner ring of the inner supporting ring, the insertion groove is formed in the upper portion of the left side of each steering groove, and the limiting groove is formed in the bottom of the right side of each steering groove; fixing blocks are fixedly installed on the left side wall and the right side wall of the well lid body correspondingly, fixing rings are fixedly connected to the outer side walls of the fixing blocks, limiting rods are vertically and slidably connected to the inner sides of the fixing rings, a top groove is formed in the center of the top end of the well lid body, and a bottom groove is formed in and communicates with the lower portion of the top groove. The limiting rods are inserted into the limiting grooves, so that the well lid is prevented from being pulled up due to external force rotation, and the safety of the well lid is improved.

The utility model provides a combined type net-shaped foundation structure for soft soil, which belongs to the technical field of constructional engineering, aims to solve the problem that the upper part of a foundation pile of a soft soil foundation in the prior art is provided with lateral force by the soft soil, so that the foundation pile is easy to incline, and comprises a plurality of foundation piles which are arranged in a soft soil layer in an array manner, a stone paving layer is laid on the periphery of the upper portion of the foundation pile, a reinforced concrete frame is arranged on the upper portion of the foundation pile, and the periphery of the foundation pile is wrapped with a fence.

The present application relates to the field of pesticide technology, and more particularly to a suspension containing flubenzquinoxaline and bifenazate and its preparation method and application. The suspension is made up of the following components by mass percentage: flubenzquinoxaline 10%, bifenazate 10-20%, organic thickener 1.2-1.5%, dispersant 0.6-0.9%, preservative 0.5-0.7%, stabilizer 2-4%, antifreeze 1-1.5%, defoamer 0.5-0.7%, composite synergist 3-3.5%, deionized water is supplemented to 100%. The suspension containing flubenzquinoxaline and bifenazate prepared by the present application has excellent prevention and control effect, good dispersibility and high suspension rate. The suspension shows excellent spreading, permeability and adhesion ability on the surface of the plant body, and is resistant to rain scouring; It can be slowly and effectively distributed twice under humid conditions, so that the drug effect is significant and lasting.

The present invention discloses a butyl rubber hot melt adhesive with good high temperature resistance, a preparation method and an automotive plugging patch using the same, wherein the butyl rubber hot melt adhesive comprises the following weight components: 10-18 parts of butyl rubber, 1-3 parts of EPDM rubber, 2-4 parts of natural rubber, 11-17 parts of polyisobutylene, 10-15 parts of plasticizer, 32-50 parts of filler, 6-9 parts of terpene resin, 10-15 parts of bromotriazine, 4-7 parts of antimony trioxide, 1-3 parts of polyamide wax, and 0.5-1.5 parts of antioxidant. The butyl rubber hot melt adhesive of the present invention greatly improves the thermodynamic stability, high temperature resistance, flame retardancy, and anti-sagging performance of the butyl rubber hot melt adhesive at high temperature; the preparation method of the present invention has simple operating steps, high feasibility of implementation, and the production process does not need to add other equipment, which is convenient for directly implementing production in the existing high temperature resistant flame retardant plugging patch production line.

The present invention discloses a design method and system for a combined anti-sinking device for a ground beam tie rod of a shallow tunnel. The mechanical model of the combined anti-sinking device is constructed and the initial state parameters of the mechanical model are determined. The deformation of each ground beam anchor point, each ground tie rod and each arch anchor point in the mechanical model are calculated and judged whether the deformation of each ground tie rod, the ground beam anchor point connected thereto and the arch anchor point connected thereto are coordinated. If the deformation is judged to be uncoordinated, the state parameters of the mechanical model are adjusted until the deformation of each ground tie rod, the ground beam anchor point connected thereto and the arch anchor point connected thereto are coordinated in the mechanical model after the state parameters are adjusted. The combined anti-sinking device designed by the present invention can not only improve the load-bearing and anti-sinking capacity of the lining arch through the support structure composed of the ground beam and the ground tie rod, but also has higher stability and safety when applied due to the coordinated deformation.

The present application relates to the field of pesticide technology, and more particularly to a pesticide composition containing refined glufosinate-ammonium and fluazifop-butyl and a preparation method thereof. A pesticide composition containing refined glufosinate-ammonium and fluazifop-butyl, by mass fraction, includes the following preparation raw materials: 25-30 parts of active ingredients, 5-6 parts of composite surfactants, 1-2 parts of glycerol, 2-3 parts of organic thickeners, 0.2-0.3 parts of defoamers, 4-5 parts of composite synergists, 1-1.3 parts of dispersants, 0.3-0.5 parts of preservatives, and 160-170 parts of water. The pesticide composition containing refined glufosinate-ammonium and fluazifop-butyl of the present application shows significant technical advantages in terms of synergistic enhancement, high selectivity, environmental compatibility, improving utilization and efficacy, and optimizing anti-settling performance.

The invention discloses an automatic building heritage protection device which comprises a fixed platform arranged between the ground and a building stand column, a protection mechanism is arranged outside the fixed platform and comprises an anti-inclination protection plate, an anti-sedimentation block and an anti-sedimentation plate which are axially symmetric, and connecting inner rods are fixedly connected to the outer side of the anti-inclination protection plate in an axially symmetric mode. Connecting outer rods are slidably connected to the outer portions of the symmetrical connecting inner rods, a connecting rod is fixedly connected between the symmetrical connecting outer rods, and a linkage piece is arranged between the anti-inclination protection plate and the anti-sedimentation block. Inclination of the building stand column can be prevented through the anti-inclination protection plates which are clamped and fixed outside the building stand column in an axial symmetry mode, and settlement of the building stand column can be prevented through the anti-settlement blocks which are in axial symmetry and stable contact with the bottoms of the anti-settlement plates. And the anti-inclination effect of the axisymmetric anti-inclination protection plate and the anti-sedimentation effect of the axisymmetric anti-sedimentation block can be mutually restricted, so that the phenomena of inclination and sedimentation of the building upright post can be effectively avoided.

The technical scheme belongs to the technical field of sprayers and particularly relates to a sprayer which comprises a box body, a liquid storage cavity is arranged in the box body, a rocker is hingedly connected to the box body, a water suction device is arranged in the box body, the water suction device comprises a mounting sleeve mounted on the liquid storage cavity, a piston core that moves in the mounting sleeve and a driving rod arranged on the piston core, a valve core mechanism is arranged between the mounting sleeve and the piston core, the piston core is driven to move in the mounting sleeve to realize the suction and delivery of the solution in the liquid storage cavity through the valve core mechanism, a stirrer is fixed on the piston core, a side wall of the mounting sleeve is provided with a clearance slot for the stirrer to pass through, the length direction of the clearance slot corresponds to the piston movement direction of the piston core, the rocker is in abutting contact with the driving rod, the driving rod drives the piston core to move, and the piston core drives the stirrer to move in the liquid storage cavity, the piston core is automatically reset through the valve core mechanism, continuous reciprocating stirring is formed, the settlement of the liquid medicine is reduced, and the working efficiency is improved.

This invention provides a bio-based epoxy resin, its preparation method, and a highly sealing, environmentally friendly anti-corrosion coating. The bio-based epoxy resin has the following general structural formula: R1 is selected from one or a combination of hydrogen atoms, alkyl groups, and alkyl carbonyl esters; R2 and R3 are each independently selected from one or a combination of hydrogen atoms and alkyl groups; a, b, and c are each independently selected from any integer from 1 to 20; and h, f, and g are each independently selected from any integer from 1 to 3. The highly sealing, environmentally friendly anti-corrosion coating of this invention exhibits good sealing properties, anti-sagging, anti-settling, and long-lasting anti-corrosion performance.

The utility model discloses an expressway reconstruction and expansion soft foundation road section anti-settlement structure which comprises a longitudinal connecting batten, a transverse supporting batten, a longitudinal connecting batten, a transverse supporting batten, a longitudinal connecting batten and a transverse supporting batten, wherein the transverse supporting batten is welded below the longitudinal connecting batten; a splicing mechanism for connecting firmness is arranged above the longitudinal connecting battens; and an anti-sedimentation improving mechanism for enhancing the supporting strength is arranged above the transverse supporting plate strip. According to the anti-sedimentation structure for the reconstruction and expansion soft foundation road section of the expressway, the longitudinal connecting battens can be effectively spliced and lengthened by arranging the splicing mechanism, so that the connecting area of the longitudinal connecting battens and the hard subbase side can be enlarged, the connecting firmness can be greatly enhanced, meanwhile, the anti-sedimentation mechanism is arranged, and the anti-sedimentation effect is improved. By arranging the supporting bracket, the firmness of concrete pouring in the supporting bracket can be greatly enhanced, so that the supporting area and strength of a soft soil foundation can be increased, in addition, a stabilizing mechanism is arranged, the connecting stability of the longitudinal connecting battens and the hard subbase side can be enhanced, and the connecting firmness of the longitudinal connecting battens and the hard subbase side can be further enhanced.

The present invention relates to a mortar cutting fluid for semiconductor silicon wafers and a preparation method and application thereof. The mortar cutting fluid comprises the following components calculated by weight: 10-40 parts of polyethylene glycol; 1-10 parts of an anti-settling agent; 1-5 parts of a chelating agent; 1-5 parts of a pH buffer pair; and 30-50 parts of ultrapure water. The cutting fluid of the present invention has excellent dispersion and anti-settling properties, and the cutting fluid of the present invention has a good pH buffering effect, and can maintain the pH between 6.5-7.5 during the cutting process. At the same time, it has an excellent anti-corrosion effect, and can avoid the problem of silicon powder agglomeration and corrosion disconnection during the mortar cutting process, and can also avoid the performance difference caused by pH mutation.