189results about How to "High softening point" patented technology

A self-adhering modified bituminous roofing tile underlayment material for tile roof assemblies that comprises an APP modified bitumen compound on the front side, and a factory-applied self-adhesive compound on the back side of a reinforcement carrier sheet, and granules embedded on the APP modified bitumen compound to provide a non-skid surface. A method of manufacturing such composite comprising coating an APP compound on the top surface and affixing a self-adhesive compound to the bottom surface of a reinforcement carrier support sheet, and applying a release liner to the tacky self-adhesive layer during manufacture, stripping the release liner, salvage release film and end lap film from the membrane immediately prior to use, subsequently placing the surface of the membrane directly on to the upper surface of the roof deck, base sheet or underlayment, and applying force directly to the sheet to enhance the bond between the composite and the underlying surface that is created by the tacky self-adhesive compound. The present invention relates generally to roofing underlayments residential roofing assemblies using tiles made of clay or concrete as the exposed surface.

The invention relates to an emulsified SBS polymer modified asphalt and preparation method thereof. At present, emulsification and emulsified modified asphalt applied to surfacing is hard to produce and not stable in quality, high temperature performance improvement is not obvious. The raw materials of the invention are matrix asphalt, water, SBS asphalt modifier, compound asphalt emulsifier, emulsification stabilizer and hydrochloric acid; firstly the matrix asphalt is heated, added with SBS asphalt modifier and then stirred to be swelled, high speed grinding by colloid grinder and full dispersion are carried out, and heat preservation growth is carried out to obtain SBS modified asphalt; compound asphalt emulsifier is added into water, emulsification stabilizer smoothened by water in advance is added, and appropriate hydrochloric acid is added to adjust pH value, so as to obtain liquid soap; and finally the SBS modified asphalt is subject to temperature reduction and then mixed with the liquid soap and emulsification dispersion is carried out, thus obtaining emulsified SBS polymer modified asphalt. The invention is applicable to coat tacking, coat sealing, surface treatment, slurry sealing and asphalt pavement recycling, asphalt wet-mixing of road construction and cerement asphalt mortar layer of passenger special line plate type unballasted track.

The invention discloses a fusible high-performance elastomer modified asphalt waterproof roll. The fusible high-performance elastomer modified asphalt waterproof roll sequentially comprises a heat-sensitive fusible OPP (o-phenylphenol) isolating membrane, a fusible elastomer modified asphalt, a polyester reinforcement, fusible elastomer modified asphalt and a heat-sensitive fusible OPP isolating membrane from top to bottom. When the fusible high-performance elastomer modified asphalt waterproof roll is applied, the construction efficiency can be improved, the energy consumption is reduced, and the waterproof roll is energy-saving, environment-friendly and long in service life and has good economic benefits and social benefits. The experiment proves that the fusible high-performance elastomer modified asphalt waterproof roll disclosed by the invention has the advantage that the construction rate can be improved by 10-20 percent.

The invention discloses a low-calcium boron-chromium-zirconium-copper alloy with high strength and high electrical conductivity and a preparation method thereof. The chemical components of the alloy are: 0.2-1.5wt percent of chromium, 0.02-0.3wt percent of zirconium, 0.0003-0.05wt percent of calcium, 0.0003-0.04wt percent of boron and 0.01-0.5wt percent of other components, wherein, other components are at least one of the elements of: galvanized iron, zinc, silicon, tin, niobium, antimony, bismuth and lead; the rest is copper and inevitable impurities. The preparation method comprises: alloy smelting, thermal extrusion with severe deformation, multilevel thermal treatment and multistage aging under the temperature between 320 DEG C and 480 DEG C for 1-6 hours. The obtained alloy is characterized by high intensity, high conductivity, high softening point, good wear-resistance performance, good welding ability and formability, which is applicable to the manufacturing field such as automobile, high speed train, household appliances, aerospace, electronic telecommunication, metallurgical continuous casting, motor, injection precision mold, etc.

The invention discloses a method for separating bituminous substances from coal direct liquefaction residues and an application thereof. The method comprises the following steps of: S1) mixing the coal direct liquefaction residues with an extraction solvent, and performing hot solution extraction to obtain a hot solution extraction mixture; S2) performing solid-liquid separation on the hot solution extraction mixture to obtain an extraction solution; and S3) performing solvent recovery on the extraction solution to obtain the bituminous substances, wherein the extraction solvent is coal tar or coal tar distillate. The coal tar or the coal tar distillate is taken as the extraction solvent for separating the coal direct liquefaction residues to prepare the bituminous substances, so that the extraction rate is improved, the cost is reduced, the mixture of the bituminous substances with appropriate volatile components and higher softening point is obtained, and the bituminous substances in the mixture can be used as raw materials of different grades of carbon materials according to different natures.

The invention relates to a material for a waste asphalt regeneration pavement and a preparation method of the material and belongs to the field of construction and maintenance of road engineering. For improving the property of waste asphalt and lowering the maintenance cost of the road, the invention provides a material for waste asphalt regeneration pavement and a preparation method of the material. The material for the waste asphalt regeneration pavement comprises lightweight oil, plasticized components, a modified main agent, tackifying components and a stabilizer, and the selection range and constitution of all components are specifically limited. Aging tests and low-temperature performance show that the viscoplastic performance of the regenerated asphalt and the anti-crack property and durability of the pavement can be greatly improved when the material for waste asphalt regeneration pavement is used for regeneration of the waste asphalt; therefore, the material for waste asphalt regeneration pavement has a bright application prospect.

The invention relates to a preparation method of a near-stoichiometric silicon carbide fiber, which comprises the following steps: (1) catalytically synthesizing HPCS: synthesizing high-molecular-weight polycarbosilane HPCS under the catalysis of metal by using liquid polycarbosilane or liquid polysilane as the material; (2) preparing a continuous HPCS fiber through melt spinning; (3) preparing an infusible fiber; (4) decarburizing: removing redundant carbon in the infusible fiber in a reducing atmosphere, thus forming a near-stoichiometric fiber; and (5) firing: carrying out high-temperature firing densification on the decarburized fiber under the protection of an inert atmosphere, thus obtaining a near-stoichiometric continuous SiC fiber. The preparation method can improve the performance of the composite material; the equipment and the process are simple; and the preparation method can be implemented by conventional fiber production equipment, can be easily industrialized and can promote the application of the SiC fiber.

The present invention relates to a wood pulp nonwoven fabric for manufacturing filter tip of cigarette. Said invention uses wood pulp fiber and high-melting point synthetic fiber or/and artificial fiber as raw material and adopts air laying mode to make them into fiber web, then utilizes adhesive to make crosslinking reaction so as to obtain the invented nonwoven fabric for manufacturing filter tip of cigarette.

The invention discloses a polyester resin for hydroxyalkyl acidamide solidified powdery paints whose constituents and proportion by weight are, terephthalic acid 75-100, m-phthalic acid 5-25, adipic acid 3-25, neopentyl glycol 50-80, 2-methyl-1, 3- propylene glycol 0-20, 1, 6-hexandiol 0-20, 1, 4-cyclohexane dimethanol 2-20, trimethylolpropane 1-3, dibutyl tin oxide 0.1-0.2, water 2-5. The invention also discloses the process for preparing the polyester resin.

The invention relates to a steel blank grinding abrasion wheel adopting microcrystal ceramic bonding agents, which is in a structure made of polycrystalline solid materials with the coexistence of glass and crystals and adopts the bonding agents of clay, feldspar, boron-containing microcrystal glass, pyrophyllite and soapstone to be made into high-intensity and low-shrinkage engineering ceramic bonding agents, good performance of the glass and the ceramics such as high mechnical intensity, wear resistance, corrosion resistance and the like are integrated, then, the glass and the ceramics are combined with mixed grinding materials, a molding pressing method is adopted for the high-pressure double-side pressing process forming, the low-temperature firing is adopted, the positive pressure reducing atmosphere heat simulation crystallization is adopted at the 800 DEG C heat insulation section, and the mixed grinding material and micro porous glass phase high-intensity microcrystal engineering ceramic composite structure is formed, so the intensity and the bonding degree of the steel blank grinding abrasion wheel are greatly improved, the use linear speed of the abrasion wheel is accelerated, and the safety factor is high. The steel blank grinding abrasion wheel belongs to the novel efficient special steel blank grinding abrasion wheel with the characteristics that the intensity andthe hardness are high, the tissue density is uniform, the grinding ratio is great under the condition of high-speed grinding, workpieces can not be damaged through firing, and the automation of iron and steel industries is easy to realize.

The invention discloses a high-viscosity modified asphalt material. The asphalt material is prepared from the following raw materials in parts by mass: 100 parts of matrix asphalt, 4-7 parts of a thermoplastic elastomer, 4-10 parts of waste rubber powder or an ethylene-vinyl acetate copolymer, 1-3 parts of a plasticizer, 2-4 parts of thermoplastic resin, 3-5 parts of a solubilizer, 0.2-2 parts ofa stabilizer, 0.5-1.5 parts of a chemical modifier and 0.2-0.7 part of polypropylene glycol. Through the high-viscosity modified asphalt material, the storage stability of high-viscosity modified asphalt is improved; meanwhile, high-temperature viscosity of the high-viscosity modified asphalt is reduced; when the high-viscosity modified asphalt material is applied to mixing of asphalt mixture, themixing temperature is low; the high-viscosity modified asphalt material is easy to construct, low in cost and simple in preparation method.

The invention discloses modified asphalt which comprises the following components in parts by weight: 75-95 parts of matrix asphalt, 1-10 parts of star-shaped SBS, 1-5 parts of waste rubber powder, 1-5 parts of waste plastic, 1-4 parts of a cross-linking agent, 0.8-1.5 parts of a compatilizer, 0.5-1.2 parts of kieselguhr, 0.5-0.8 part of nylon fiber, 0.3-0.7 part of carbon black, 0.3-0.5 part of talcum powder, 0.1-0.3 part of a stabilizer, 0.2-0.1 part of zinc oxide and 0.01-0.04 part of an ester solvent. The invention further provides a preparation method of the modified asphalt. The modified asphalt which is prepared by using the preparation method that different components are matched is good in high-temperature stability, low-temperature anti-cracking property and anti-fatigue property, relatively high in softening point and relatively good in adhesion property.

The invention discloses a spraying-free toughened nylon 6 material and a preparation method thereof and belongs to the technical field of modification of high molecular materials. The material is prepared from 59.4 to 76.9 percent of nylon 6 resin, 10 to 15 percent of a toughening agent, 7 to 12 percent of a plasticizer, 3 to 6 percent of maleic anhydride grafted polypropylene, 0.2 to 0.6 percentof oxidized polyethylene wax, 0.2 to 0.5 percent of a flowing modifier, 0.2 to 0.5 percent of an antioxidant, 0.5 to 1.0 percent of a lubricant and 2 to 5 percent of metal master batch. According to the spraying-free toughened nylon 6 material disclosed by the invention, the maleic anhydride grafted polypropylene, the oxidized polyethylene wax, the flowing modifier and the plasticizer are added, the dispersity of the metal master batch in nylon 6 matrix resin and the compatibility between the metal master batch and the nylon 6 matrix resin are improved and the flowability of the material is improved, so that the problem in the prior art that flowing marks and welding marks are formed on the surface by a spraying material in a product injection molding process is avoided; the prepared spraying-free material has a metal texture which is the same as that in a traditional paint spraying technology and the problem that appearance of the spraying-free material is not good in actual application is solved.

The invention provides hot-mix-cold-laid SBS (styrene butadiene styrene) modified asphalt mixture, which is characterized by comprising SBS modified asphalt and aggregates; the aggregates comprise coarse aggregates, fine aggregates and mineral powder; and the SBS modified asphalt comprises the following components by weight percentage: 1.5-3 percent of petroleum resin, 8-12 percent of thinner, 2-6 percent of SBS, 5-10 percent of anti-aging agent, 0.3-0.4 percent of stabilizer and the rest being petroleum asphalt. The hot-mix-cold-laid SBS modified asphalt mixture can be stored for a long time at normal temperature and also has a stable performance. In addition, the invention also has the advantages that the hot-mix-cold-laid SBS modified asphalt mixture has a high softening point and good anti-rutting performance.

The invention discloses a modifier of pitch for road and water-proofing material, which comprises the following steps: allocating with mass percent as 20-30% polypropylene, 3-10% epoxide resin, 8-10% polyethylene, 8-10% geoceric acid and 40-60% ethylene distearamide; mixing; stirring for 10-15 min; getting the product. This product possesses good stability and predominant water resistance, which can be fit for all of asphalt.

The invention relates to polymer modified asphalt and a preparation method thereof. The modified asphalt consists of base asphalt, maleic anhydride grafted ethylene-vinyl acetate copolymer (M-EVA), styrene-butadiene rubber (SBR) and a tackifier. The preparation method comprises the following steps: heating the base asphalt to completely smelt; and then, slowly adding the maleic anhydride grafted ethylene-vinyl acetate copolymer (M-EVA) modifying agent into the base asphalt by stirring; and cutting and blending the mixture at high speed to prepared the polymer modified asphalt. When the maleic anhydride grafted ethylene-vinyl acetate copolymer (M-EVA) is used for the modified asphalt, a maleic anhydride group reacts with functional groups in the asphalt, so that the polymer and the asphalt perform crosslink to a certain extent, compatibility of the ethylene-vinyl acetate copolymer (EVA) and the asphalt can be improved, the high and low temperature performance of the asphalt is improved, and the polymer modified asphalt is a perfect material for road.

The invention discloses an emulsified asphalt anti-collapse agent and a preparation method thereof. The emulsified asphalt anti-collapse agent comprises epoxy resin, a curing agent and emulsified asphalt. The emulsified asphalt anti-collapse agent provided in the embodiment is characterized in that a reaction product with a three-dimensional network structure is generated through reaction of epoxyresin and the curing agent, and then emulsified asphalt is melted in the three-dimensional network structure. Owing to high stability of the three-dimensional network structure, thermal resistance ofthe prepared emulsified asphalt anti-collapse agent can be improved, and accordingly a softening point of asphalt after demulsification of emulsified asphalt can be raised to enable application in high-temperature deep wells. According to tests carried out through an automatic asphalt softening point tester, the asphalt softening point is raised from 60 DEG C to 150 DEG C or above after demulsification of emulsified asphalt, and accordingly the requirement of borehole collapse prevention in an oil drilling process can be met.

The invention provides a preparation method of petroleum base mesophase pitch with even high mesophase content. The FCC oil slurry of naphthenic crude oil or intermediate base crude oil serves as the raw material, under the action of a catalyst, haloalkane is mixed with the raw material, the temperature is increased to range from 280 DEG C to 350 DEG C, the pressure ranges from 0 MPa to 2 MPa, reaction is conducted for 5-20 h, and modified oil is obtained. Distillate oil, obtained at the temperature higher than 400 DEG C, of the modified oil is taken, the distillate oil is mixed with a co-carbonization agent, the temperature ranges from 360 DEG C to 480 DEG C, the reaction pressure ranges from 4 MPa to 10 MPa, reaction is conducted for 2-10 h, and the high-quality mesophase pitch is obtained. According to the preparation method of the petroleum base mesophase pitch with the even high mesophase content, preparation technology is simple and easy to operate, the anisotropic structure of the prepared mesophase pitch is uniform, the mesophase content is high and larger than 96 percent, the softening point is low, the temperature ranges from 240 DEG C to 260 DGE C, and the spinnability is good.

The invention discloses a diatomite compound SBS (Styrene Butadiene Styrene) modified asphalt and a preparation method thereof. The diatomite compound SBS modified asphalt is prepared from the following materials in percentage by weight: 85%-90% of matrix asphalt, 3%-6% of thermoplastic styrene-butadiene rubber (SBS), 1%-6% of diatomite, 1%-5% of rubber oil, 2% of sulphur, the sum of the materials in percentage by weight being 100%. The preparation method comprises the following steps of: heating up the matrix asphalt to 180 DEG C, and then adding SBS modifying agent, diatomite and rubber oil in percentage by weight to obtain mixture; uniformly mixing the mixture; stirring for six hours at the temperature of 170 DEG C to 175 DEG C; and adding 2% of sulphur and stirring the mixture for one hour to obtain the product. Compared with the prior art, the preparation method has the advantages that the softening point of the modified asphalt obtained by the method disclosed by the invention is improved by 10%, and the production cost of the modified asphalt with high softening point is saved. Therefore, the modified asphalt product can be used as an ideal pavement material for road engineering in a high-temperature region.

The invention relates to a surface oxidation modification process for waste tire rubber powder for modification of asphalt. The process comprises the following steps: dispersing waste tire rubber powder in water, adding a certain amount of oxidant, stirring at the temperature of 25-80 DEG C for 1.5 hours at constant temperature, wherein the oxidant is one of sodium dichloro isocyanurate, trichloroisocyanuric acid, sodium hypochlorite or hydrogen peroxide; the oxidant amount accounts for 3-30 percent of the mass of the waste tire rubber powder, filtering and drying to obtain the oxidized modified rubber powder after the reaction is ended, wherein the oxidized modified rubber powder serves as an asphalt modifier to prepare the rubber powder modified asphalt, so that the performance of the modified asphalt is regulated. The method is low in energy consumption, the oxidant is low in price and readily available, industrial application is easily realized, and the main performances such as the softening point, needle penetration and ductility of the modified asphalt can be effectively regulated.

The invention discloses an organic montmorillonite modified epoxy asphalt material and a preparation method thereof. The epoxy asphalt material comprises components A and B in a mass ratio of (3.6-6.0) to 1, wherein the component A comprises the following substances in parts by mass: 100 parts of matrix asphalt, 10-20 parts of an anhydride curing agent, 25-42 parts of aliphatic dicarboxylic acid, 10-30 parts of an epoxy asphalt compatilizer, 0.3-1.0 part of a curing accelerator and 0-6 parts of organic montmorillonite; the component B is epoxy resin. The material disclosed by the invention has a good high-low temperature mechanical performance, and organic montmorillonite can be used for enhancing the strength of the epoxy asphalt material and improving the high-temperature stability and anti-aging performance of the epoxy asphalt material. The material disclosed by the invention can be used for paving materials of roads and bridges and used for steel bridge panels, expressways and airfield runways and the like.

The invention discloses SBS (styrene butadiene styrene) modified asphalt which comprises the following components in percentage by weight: 2.0 to 6.0 percent of star SBS, 0.08 to 0.2 percent of sulphur, and 2 to 10 percent of nano calcium carbonate. The invention also discloses a method for preparing the SBS modified asphalt. The SBS modified asphalt and the preparation method thereof are characterized in that the star SBS is taken as a modifier of the asphalt so as to improve the performance of the asphalt; meanwhile, the nano calcium carbonate and powdered sulfur are taken as stabilizers of the star SBS modifier so as to ensure the uniform dispersion of the modifier after being added in the asphalt, reduce the occurrence of segregation phenomenon, and improve the performance of the modified asphalt; and the nano calcium carbonate is used for diluting the powdered sulfur, and has the functions of improving the softening point of the modified asphalt and reducing the penetration degree of the modified asphalt.

The invention discloses toluene-diisocyanate-modified alkyd resin and a preparation method thereof; the toluene-diisocyanate-modified alkyd resin is prepared from 15-17% of dry or semidry vegetable oleic acid, 9-11% of pentaerythritol, 3-5% of a tribasic alcohol, 12-14% of phthalic anhydride, 8-10% of benzoic acid, 0.05-0.15% of a color reducer, 2-5% of toluene diisocyanate, 0.03-0.05% of an organic tin catalyst, 1-3% of xylene, and 40-49% of an organic solvent. The toluene-diisocyanate-modified alkyd resin prepared with the above raw materials has light color, good adhesion, high drying speed, high hardness, high paint film gloss, good watertightness and good viscosity stability, the defects of the prior art can be overcome, and good technical advantages are achieved.

The present invention is polyethylene modified asphalt agglomerate and its making process. The material includes the components of polymer 50-85 wt%, asphalt 10-35 wt%, grafting modifier 0.5-3.0 wt%, chemical initiator 0.1-1.0 wt%, crosslinking agent 1.0-3.0 wt%, compatibilizer 1.0-4.0 wt% and assistant 0.1-8.0 wt%. The preparation process includes mixing the polymer and the assistant inside a mixer, heating to melt asphalt, and adding all the components into a double-screw extruder to prepare modified asphalt agglomerate. The modified asphalt agglomerate has high elasticity restoring rate, high strength, high weather resistance, simple preparation process, and low production cost.

The invention provides a modified asphalt composition and a preparation method thereof. The modified asphalt composition comprises, by weight, 87.5% to 98.9% of base asphalt, 1% to 10% of a modifier and 0.1% to 2.5% of a gelatinizing agent (a structure improver). The preparation method comprises the following steps: uniformly dispersing the modifier into the base asphalt at a temperature of 150 to 260 DEG C by using equipment like an ordinary agitator, a high speed shearing machine or a colloid mill to prepare the modified asphalt composition; and adding the gelatinizing agent to allow a sol-gel type colloid structure of asphalt to be converted into a gel type colloid structure and to allow a stable colloid structure of asphalt to be formed. According to the invention, the preparation method for the modified asphalt composition is simple; and the prepared modified asphalt composition has a high softening point, high viscosity, a high penetration index, excellent high and low temperature performance, excellent ageing resistance, small temperature sensitivity and the like, can reduce occurrence of damages like tracks and upheaval on a pavement and prolong a maintenance period of the pavement and is applicable to construction of high-grade highways.

The invention relates to a production method for composite polypropylene wax used for plastic. The composite polypropylene wax comprises polypropylene low polymers, Fischer-tropsch wax or microcrystalline wax and industrial hydrogenated oil, and has the properties that the softening point is 100 DEG C or above, and the average molecular weight ranges from 1500 to 3000. As an excellent dispersing agent, on the aspects of color master production and pigment dispersion, the composite polypropylene wax produced through the method has the advantages that effective molecular weights are concentrated, wherein the molecular weights are narrowly distributed and concentrated, and therefore the dispersion effect and the coloring force are easily improved, and relatively speaking, the addition amount can be decreased under the certain dispersion requirement; the excellent heat resistance and the excellent thermal stability are achieved; the melting point and the viscosity matching are moderate, and the shearing force is facilitated, wherein the softening point is 110 DEG C, the high viscosity is 150 CP/140 DEG C, produced color master particles have high intermiscibility and mobility and moderate in viscosity, the shearing force is increased, and dispersity is improved.

The invention relates to the field of brake pad, and particularly relates to an automobile ceramic brake pad and a manufacturing technology thereof. The automobile ceramic brake pad is made from the following raw materials in parts by weight: 6-10 parts of phenolic resin, 12-18 parts of ceramic fiber, 8-12 parts of mineral fiber, 4-8 parts of zinc sulfide, 6-10 parts of nitrile-butadiene rubber phenol, 7-12 parts of artificial graphite, 4-6 parts of potassium titanate fiber, 6-12 parts of steel cotton fiber, 5-8 parts of red copper powder and 6-9 parts of barite. The invention provides an automobile ceramic brake pad and a manufacturing technology thereof, wherein the automobile ceramic brake pad is reasonable in component proportioning, simple in preparation technology and good in high-temperature stability, and has stable friction coefficient, long service life and high safety.

Rosin modified resin of high-boiling point alcohol lignin and its derivative and its production are disclosed. The procedure is carried out by mixing high-boiling point alcohol lignin or its derivative with rosin, adding into polylol, phenols and aldehyde, heating, smelting, agitating while mixing homogeneously, adding into catalyst, heating, reacting to generate high-boiling point alcohol lignin modified rosin resin, vacuum supplying and dewatering. It has less consumption and improves softening point and viscosity. It can be used for modified additive or paint of rubber, polyurethane or unsaturated polyester.

The invention belongs to the technical field of asphalt, and discloses a modified biological asphalt material, a preparation method thereof and an application of the material. The modified biologicalasphalt material comprises, by weight, 30-78 parts of biological asphalt, 10-15 parts of modified agents, 0.2-0.6 part of mineral fibers, 1-3 parts of stabilizing agents and 10-25 parts of solvents. According to the modified biological asphalt material, special modified agents are selected, softening points and viscosity of the biological asphalt are improved, high-temperature stability of the biological asphalt is improved, mineral fibers have excellent performances of high strength, corrosion resistance and high-temperature resistance and the like, and deformation resistance of the biological asphalt is improved by the mineral fibers. According to the modified biological asphalt material, the biological asphalt is modified by adding the modified agents, the mineral fibers and the stabilizing agents, and high-temperature stability, low-temperature stability and deformation resistance of the biological asphalt are improved, so that the prepared modified biological asphalt material hasgood bearing capacity, deformation recovery capacity and high-temperature rut resistance.

The invention relates to a bridge settlement support, which comprises a product support, further comprises an upper settlement compression device which is located on the bottom portion of the product support, the device comprises an upper settlement body and a lower bottom basin, the upper settlement body comprises a top plate, an inner support plate and a middle carrier plate, the top plate is located at the lever direction, the middle carrier plate is fixed on the lower portion of the top plate and is parallel to the top plate through the inner support plate, the middle carrier plate is equipped with a plurality of rheological channels, the inner support plate comprises a ring plate and a baffle which is fixed in the ring plate to form a plurality of cavities, and the upper portion of the ring plate is equipped with a plurality of vent holes. The lower bottom basin comprises a bottom plate and an outer support plate which is fixed on the upper portion of the bottom plate, an overflow orifice is arranged between the bottom plate and the outer support plate, the outer support plate is a ring cylinder which is tightly sleeved on the outer side of the inner support plate, an electric heating disk is laid on the bottom plate, and a compression body is filled between the electric heating disk and the middle carrier plate. The bridge settlement support has the beneficial effects that the disease of bumping at bridge-head is effectively eliminated through that the self settlement drives the floor elevation reduce.