149 results about "Asphalt mastic" patented technology

The invention discloses a ground fissure tunnel asphalt concrete composite lining, wherein an initial lining, an asphalt concrete composite lining and an inside lining are sequentially arranged in an influence interval of a ground fissure from a surrounding rock soil body to a tunnel axial center, deformation joints A are arranged on the inside lining at intervals along a tunnel axis, injected holes are reserved at the bottom of the inside lining at both sides of the deformation joints A, and a displacement monitor is installed at the outer side of the asphalt concrete composite lining. The invention also discloses a supporting method of the ground fissure tunnel asphalt concrete composite lining, and an asphalt concrete pouring material is prepared by mixing modified asphalt after hot melting with sand and stones by adopting a stepped excavation and mining construction method; an asphalt mastic material is filled in the deformation joints A to flexibly connect the two adjacent segments of inside linings and carry out waterproof processing and the like for construction joints at the section of the inside lining. The composite lining has simple structure, convenient construction, safety and reliability and is suitable for being used in ground fissure active regions or meizoseismal regions.

The invention requests to protect non-cured asphalt mastic comprising the following components in percentage by weight: 35-55 asphalt, 15-30 naphthenic oil, 3-10 polymer modifying agent, 55-20 gelatin powder, 3-10 diisononyl phthalate and 10-20 tackifying resin. The non-cured asphalt mastic can be independently used or can be used with the matched coil to form a waterproof system and can effectively solve the problem of water leakage caused by the crack of a waterproof layer due to the deformation of a base layer.

Recycled tire rubber, either in the presence or the absence of carbonaceous waste solids such as those from petroleum refinery operations, is first subjected to a heat treatment to release volatile materials and then combined with a liquid asphalt composition to achieve an asphalt mastic that is storage stable and of uniform consistency.

An asphalt-mastic-broken stone mixture used for pavement of highway and street is prepared from steel slags, machined sand, powdered ore, lignofibres as stabilizer and asphalt as cementing agent through proportional mixing. Its advantages are high mechanical performance long service life and reducing environmental pollution.

An asphalt mastic is prepared by combining comminuted waste solids from a petroleum refinery with liquid asphalt that is either a hot asphalt or an asphalt emulsion. The resulting composition is similar in performance to Trinidad Lake Asphalt and is useful either on its own or as a binder for asphalt-aggregate compositions, in both cases optionally in combination with polymeric additives that are common in the asphalt industry.

The invention relates to a high-temperature resistant spray fast-setting rubber asphalt waterproof coating which is a high-temperature resistant water-based spray coating prepared proportionally by adding a vulcanizing agent and a composite reinforcing agent into liquid rubber asphalt mastic emulsion prepared from modified emulsified asphalt and high-molecular polymer rubber latex and then mixing with a coagulating agent. The high-temperature resistant spray fast-setting rubber asphalt waterproof coating provided by the invention is a novel spray fast-setting rubber asphalt environment-friendly waterproof material which is nontoxic, tasteless and pollution-free and can be subjected to cold construction at normal temperature; and meanwhile, the high-temperature resistant spray fast-setting rubber asphalt waterproof coating has good heat resistance (160 DEG C), high elongation at break (greater than 1,000%), high elasticity recovery rate (greater than 90%), high bonding strength (greater than 0.5MPa), excellent low temperature resistance (without breakage at -30 DEG C) and excellent ageing resistance, acid / alkali resistance, cohesiveness and shear resistance, and can prevent structural damage caused by water penetration so as to prolong the service life of highway bridges.

An asphalt mastic is prepared by combining spent activated carbon, that has not been regenerated, with liquid asphalt to achieve a composition that is useful for a variety of applications for which asphalt is used, including aggregate compositions and roofing materials. The activated carbon can also serve as a foaming initiator for the production of foamed asphalt. Still further, the activated carbon can be used as coking unit feedstock and as a quencher for a delayed coking unit.

The invention relates to flame-retardant spraying quick-settling rubber asphalt waterproof paint, which achieves a flame retardant effect by adding certain flame retardant components on the basis of the conventional quick-settling rubber asphalt waterproof paint, and has excellent performance. The waterproof paint is water-based spraying paint and is prepared in proportion by the steps of: compounding superfine, suspended and micro-emulsion modified emulsified asphalt and macromolecule polymer rubber latex to obtain components of liquid rubber asphalt mastic emulsion and mixing the emulsion with coagulating agent components. Compared with the conventional waterproof paint, the flame-retardant spraying rubber waterproof paint provided by the invention is higher in elongation at break and bonding strength and has the outstanding characteristic of flame retardance. The flame-retardant spraying quick-settling rubber asphalt waterproof paint effectively makes up the shortage of flame retardance of the conventional waterproof paint, has the advantages of convenience in construction, aging resistance, long service life, flame retardance and the like, and can be widely applied to water prevention of roofs of various buildings.

The invention relates to a method for repairing cracks on an asphalt road surface, relating to a treatment method for cracks on an asphalt road. The repair method includes the following steps: a. Clean the crack surface, remove dust and other dirt attached to the crack surface; b. Fill and fill the crack with asphalt glue or plug the crack with a sealing tape whose main component is asphalt Paste treatment on the surface; c. Use asphalt restoration agent whose main components are asphalt and coal tar to paint around the asphalt glue or sealing tape. The invention can form an effective sealing layer around the crack to prevent water damage.

The invention relates to an anticorrosion type spraying quick-setting rubber asphalt waterproof coating. The coating is an anticorrosion type water-based spraying coating prepared by adding a preservative into a liquid rubber asphalt mastic emulsion component which is prepared from modified-emulsified asphalt and high-molecular polymer rubber latex, and then mixing the liquid rubber asphalt mastic emulsion component with a coagulating agent component in proportion. Besides environmentally-friendly and non-pollution properties, the anticorrosion coating provided by the invention has the advantages of excellent acid-base resistance property, water resisting property, hot brine resisting property, heat and humidity resisting property and temperature change resisting property, accords with the requirement on heavy corrosion protection in the anticorrosion coating and can be widely used for heavy corrosion protection coating on the surface of concrete, metal and wood and the like in various buildings and structures, over-ground, underground or underwater steel structures, chemical engineering machines, pipelines, tanks, ships, bridges, docks and the like.

The invention relates to a nano spraying quick-setting rubber asphalt waterproof coating for metro tunnels. The coating is a water-based spraying coating prepared by adding a nano accessory ingredient into a liquid rubber asphalt mastic emulsion component which is prepared from modified-emulsified asphalt and high-molecular polymer rubber latex and then mixing the liquid rubber asphalt mastic emulsion component with a coagulating agent component in proportion. A spraying quick-setting modified asphalt waterproof material is obtained by adding the nano accessory ingredient into the product and has better mechanical property and anti-aging property. After the nano accessory ingredient is added, an elastic coating film has strong bonding strength which is 0.9MPa, tensile strength which is greater than 1 MPa, high elastic recovery rate which is greater than 1000%, and excellent anti-aging property, has saline-alkaline tolerance and has the advantages of convenience in construction, high efficiency and quick forming of films. The nano spraying quick-setting rubber asphalt waterproof coating is suitable for metro tunnels and underground waterproof engineering, and can be used for overcoming the defects of the traditional coiled material in the metro tunnel construction and satisfying the high requirement on the waterproof material in the metro tunnel engineering at the same time.

The invention discloses a road pavement structure, and particularly relates to a novel asphalt concrete pavement structure. The novel asphalt concrete pavement structure has high quick-drying and water drainage performance, is obvious in supporting effect and has certain collapsing preventive performance. A mortar bonding layer covers a base layer, cement concrete prefabricated blocks arranged in parallel and at intervals are arranged on the mortar bonding layer, the long edges of the cement concrete prefabricated blocks are perpendicular to the stretching direction of a road, a rubble layer is padded in clearances between adjacent cement concrete prefabricated blocks and covers the cement concrete prefabricated blocks, a slurry seal layer, a coarse grain type asphalt concrete layer, a medium grain type asphalt concrete layer and an asphalt mastic rubble mixed material layer cover the rubble layer from bottom to top in sequence, the base layer is a cement stabilizing aggregate base layer, and the rubble layer comprises rubbles and aggregate chips padded in the clearances among the rubbles.

The invention discloses a determination method for the bulk density and clearance rate of coarse aggregates. Firstly, sampling is carried out, a capacity barrel is selected, the mass of the capacity barrel is measured, the coarse aggregates are contained in the capacity barrel, operation is carried out according to different states of the coarse aggregates needing determining, the total mass of the capacity barrel and the coarse aggregates is obtained by weighing, then water is injected into the capacity barrel, the total mass of the capacity barrel, the coarse aggregates and the water is obtained by weighing, and finally the bulk density and clearance rate of the coarse aggregates are calculated according to measured data and a derived formula. The method can improve the accuracy and stability of measurement of the bulk density and clearance rate of the coarse aggregates, is of great importance in obtaining the accurate clearance rate of the coarse aggregates under the cement concrete compaction state and the clearance rate of a coarse aggregate skeleton under the bituminous mixture compaction state and then provides important help for judging whether an asphalt mastic macadam mixture skeleton stone-to-stone structure is formed or not.

The invention provides a method for detecting the interaction capability between asphalt and aggregate and relates to a detection method. The objective of the invention is to solve the problems that the evaluation criterion of the prior interaction capability between asphalt and aggregate can not be quantified, the test conditions are difficult to be controlled precisely, the repeatability of test data is poor and the interaction capability between asphalt and aggregate can not be demonstrated directly. In the invention, asphalt and dusty kernel are mixed evenly at the proportion of weight from one to zero point eight to one to one point two to generate asphalt mastic; the evenly mixed asphalt mastic of zero point eight to one point two grams is arranged on a lower flat board of a flat board fixture with the diameter of twenty five millimeters and is preserved in the mixed liquor of water and glycol of twenty DEG C to thirty DEG C for fifteen minutes to twenty five minutes; the test time is one hundred to one hundred and forty seconds. The data obtained from the invention is more quantified and the impact by the artificial factors are greatly reduced; the repeatability of the test data is good; the test is performed in a scenario of an simulated road environment and with traffic loads, which is more close to the real road traffic conditions, and the physical meaning of the evaluation criterion is more specified and the interaction capability between asphalt and aggregate can be reflected.

The invention discloses an anchored concrete retaining wall rock-fill dam, which comprises a concrete retaining wall and a plurality of anchoring body groups, wherein a rock-fill is arranged behind the concrete retaining wall, and comprises a rock-fill region and a transition region; a horizontal drainage body and a reverse filtering layer are arranged below the rock-fill region; the downstream side of a dam body is provided with a downstream revetment; the anchoring body groups are arranged in the concrete retaining wall, the transition layer and the rock-fill region; the concrete retaining wall consists of a plurality of wall sections; a construction joint is reversed between every two adjacent wall sections; and each construction joint is filled with asphalt mastic. According to the anchored concrete retaining wall rock-fill dam disclosed by the invention, the problems of large filling amount of the rock-fill, large deformation of the dam body and uncoordinated deformation between the rock-fill and anti-permeation bodies existing in the existing dam type are improved effectively. A building method of the anchored concrete retaining wall rock-fill dam comprises the following specific steps of: pouring a concrete retaining wall; filling a rock-fill; and grouting an anchoring body. The building method has the advantages of short construction period, low construction method and simple steps.

The invention discloses epoxy asphalt mortar and application. Resin mortar is composed of resin, adsorptive powder and filler and comprises, by weight percentage, 10-40% of resin, 5-50% of adsorptive powder and 0-85% of filler, and the sum of the resin, the adsorptive powder and the filler is 100%. The epoxy asphalt mortar is composed of epoxy asphalt resin, adsorptive powder and filler and comprises, by weight percentage, 10-40% of resin, 5-50% of adsorptive powder and 0-85% of filler, and the sum of the resin, the adsorptive powder and the filler is 100%. Application of the epoxy asphalt mortar in preparing a cold mixng type epoxy asphalt concrete mixture is provided. Application of the epoxy asphalt mortar serving as a coating, a waterproof material or a binding material is provided. The resin mortar product or the epoxy asphalt mortar product is stable in property, is in a loose solid state, does not need to be barreled or sealed, and is low in transportation cost, convenient to use and good in performance.

The invention discloses a steel bridge deck paving structure and a construction method thereof. A combined type connecting layer and an ultrahigh-viscosity modified asphalt mastic rubble layer are laid on a bridge deck steel plate of a steel bridge deck in sequence, wherein the combined type connecting layer comprises a first modified epoxy resin and rubble layer and a second modified epoxy resin and rubble layer, a bonding material layer is further arranged between the combined type connecting layer and the ultrahigh-viscosity modified asphalt mastic rubble layer, and the bonding material layer is made of active epoxy resin materials. Compared with a traditional epoxy resin asphalt concrete bridge deck paving layer, the steel bridge deck paving structure and the construction method are low in construction cost, needless for dedicated equipment, beneficial to construction organization and high in construction speed, and have clear advantages on road sections with high traffic pressure.

The invention relates to a saline-alkaline resistant spray fast-setting rubber asphalt waterproof material which is a water-based spray coating prepared proportionally by preparing liquid rubber asphalt mastic latex from modified emulsified asphalt and high-molecular polymer rubber latex and mixing with a coagulating agent. Compared with the traditional coiled material, the saline-alkaline resistant spray fast-setting rubber asphalt waterproof material provided by the invention has the advantages of cold construction, fast film forming, strong saline-alkaline resistance and high recovery rate, wherein the operation is safe and reliable by mainly adopting a mechanical coating way; a film can be formed in 30 seconds after spraying; the formed elastic film has high elongation (greater than 1,000%), high bonding strength (greater than 0.5Mp) and good low-temperature flexibility (without breakage at -20 DEG C); experiments show that the elastic film after saline-alkaline treatment still has good elongation at break (greater than 800%) and low-temperature flexibility (without breakage at -20 DEG C); and the recovery rate is greater than 90%, thus the material provided by the invention has certain self-repairing ability and can realize self repairing of tiny cracks.

The invention discloses an environment friendly type tunnel flame-proof pitch water chestnut ether broken stone mixed material, which comprises the following steps: counting with the total weight proportion of the pitch mixed material as 0. 3%-0. 5% mineral fiber, 1. 0%-1. 2% organic fire retardant, 5. 5%-6. 0% pitch, 92. 3-93. 2% broken stone; choosing the mineral fiber with the density not less than 2. 5g / cm3 and strength for extension as 3500MPa; choosing the elastic modulus of the mineral fiber as 85GPa, percentage of breaking elongation as 2. 5%, the highest working temperature at 500 deg. c and the length more than 6mm; choosing the organic fire retardant with the density at 1. 2-2. 0g / cm3 and the effective content not less than 70%; setting the fusion temperature of the organic fire retardant not less than 120 deg. c, the moisture percentage less than 5% and the fire point not less than 260 deg. c. This mixed material can prevent burning of tunnel pitch water chestnut ether broken stone mixed material (SMA) pavement effectively, which possesses environmental protection function.

Road surface material mixed by an inorganic flame retardant and an asphaltum gum grease detritus is used for a tunnel asphaltum road surface, which solves the high-effective flame retardant problem. The components of the mixture, according to the total weight of the asphaltum mixing material, is that: 0.3-0.5 wt. % of mineral fiber; 1.2-1.5 wt.% of inorganic flame retardant; 5.5-6.0 wt.% of asphaltum; 92.0-93.0 wt.% of detritus. The effective asphaltum flame retardant and mineral fiber are applied in the tunnel SMA road surface. It will solve the safe problem of the tunnel asphaltum road surface by effectively improving the flame retardant of the asphaltum mixing material without changing the road performances of the former asphaltum mixing material. The formula also does not gain the construction difficulty. Therefore, the effective flame retardant asphaltum gum grease detritus for tunnel has a good expanding value.

The invention belongs to the field of bridge deck pavement, and particularly relates to hot melting rubber and plastic waterproof bonding modification asphalt mastic used for a large-scale steel box bridge waterproof bonding layer and a preparation method of the rubber and plastic waterproof bonding modification asphalt mastic. The rubber and plastic waterproof bonding modification asphalt mastic consists of the following raw materials in parts by weight: 10 to 20 parts of waste tire rubber powder, 5 to 10 parts of thermoplastic resin, 1 to 5 parts of thermoplastic elastic bodies, 2 to 10 parts of octylene-ethylene copolymers, 2 to 10 parts of terpene resin, 5 to 15 parts of tall oil polyamine carboxylate, 2 to 5 parts of styrene butadiene rubber and 20 to 70 parts of petroleum asphalt. The modification asphalt mastic provided by the invention has the waterproof performance, so the water resistance is realized, the asphalt mastic can still be firmly bonded with the steel bridge desk even when obvious water exists, the asphalt mastic is applicable to waterproof bonding layer and transition layer construction in the steel box bridge asphalt mixture pavement, the waterproof and anticorrosion effects are realized on the bridge deck, the protection effect is realized, a paving layer is carried, and the bonding effect is realized.

The invention discloses an asphalt mastic macadam mixture and a preparation method thereof and belongs to the field of road engineering materials. The asphalt mastic macadam mixture contains the following raw materials in parts by weight: 100 parts of aggregate, 5-7 parts of SBS (Styrene-Butadiene-Styrene) modified asphalt, 8-12 parts of mineral powder, 0.2-0.6 part of a fiber stabilizer, 2-7 parts of carbon black, 5-8 parts of phenolic resins and 2-3 parts of a curing agent. The asphalt mastic macadam mixture is capable of improving the strength and durability of the pavement, and can achievethe effects of enabling the pavement to achieve excellent cracking resistance and wear resistance and reducing risk of rut diseases on the asphalt pavement.

The invention discloses a preparation method of a rubber asphalt mastic crushed stone mixture. The method comprises the following steps that radial tires or diagonal tires are selected, waste tire mouth ring parts are removed, and the treated tires are smashed into 30-mesh rubber powder at room temperature; applied aggregates are sieved grade by grade according to full meshes from 0.075 mm to 16 mm; asphalt is heated, the rubber powder is added simultaneously, and the mixture is conveyed to a storage tank for stirring and development; graded aggregates, lignocellulose and a high modulus agent are stirred to be uniform, the rubber asphalt is added, mixing is conducted to be uniform, and the rubber asphalt mastic crushed stone mixture is obtained. The binding force of the asphalt and crushed stone can be well improved, and the water sealing performance is good; after the lignocellulose is added, fibers form a net structure in an asphalt mixture, the reinforced effect can be formed, and meanwhile heating expansion of rubber is stable; rubber asphalt mastic and the aggregates have high binding force, and moisture damage resistance of the mixture is very high.

The invention discloses a construction method for light glass fiber asphalt shingles of reinforced concrete steep-slope roofs, comprising the following steps: checking up slope roof foundation, painting asphalt mastics, playing a vertical / horizontal mark line, laying glass fiber asphalt shingles and finishing. The method provided by the invention has the advantages of simple construction, good work effect, good longitudinal and transverse tension resistance, good non-deformability, water resistance and aging resistance after glass fiber asphalt shingles are laid, and ensures long-term weather resistance and dustproof self-cleaning performances of surface colors. The method is suitable for waterproof roof engineering of reinforced concrete roof and wood roof with slope of 45-60 degrees in multi-layer and high-layer civil buildings, public buildings, and villa engineering.

The invention discloses an epoxy asphalt mastic macadam mixture suitable for an airfield pavement and a preparation method thereof. The mixture is prepared from the following raw materials in parts bymass: 0.7 to 2.1 parts of epoxy resin, 0.5 to 1.9 parts of curing component, 2.9 to 7.9 parts of SBS modified asphalt, 100 to 150 parts of mineral aggregate and 0.3 to 0.6 part of fiber. The preparation method comprises the following steps: preheating SBS modified asphalt, adding the preheated SBS modified asphalt into preheated coarse aggregate and fine aggregate determined according to design gradation, adding uniformly mixed epoxy resin and curing component, stirring, finally adding fibers and mineral powder, and stirring. By utilizing the characteristics of high strength, excellent waterdamage resistance, excellent aging resistance and the like of the epoxy asphalt, the prepared epoxy asphalt mastic macadam mixture suitable for the airfield pavement has good strength and durability so that the airfield pavement has good wear resistance, and the risk of wheel track diseases of the asphalt pavement is reduced. The preparation method is simple, energy-saving and environment-friendly, and has relatively high social value and economic value.

The invention relates to an intelligent ring throwing machine tool. The intelligent ring throwing machine tool comprises a base, wherein the top of the base is supported at the bottom of a rotary table; a layer of asphalt mastic is poured on the top surface of the rotary table so as to form a polishing disk; a multi-station bridge mechanism is erected on the top of the rotary table; an element machining station, a polishing disk detection station and a disk correcting station are correspondingly arranged in positions of multiple cross beams of the multi-station bridge mechanism; a first linearsliding guide rail is arranged on the first cross beam which corresponds to the element machining station, and an element machining device can be connected with the first linear sliding guide rail ina sliding mode; an air flotation linear guide rail is arranged on the second cross beam which corresponds to the polishing disk detection station, and a polishing disk detection device can be connected with the air flotation linear guide rail in the sliding mode; a second linear sliding guide rail is arranged on the third cross beam which corresponds to the disk correcting station, and a polishing disk correcting device can be connected with the second linear sliding guide rail in the sliding mode; and the element machining device, the polishing disk detection device and the polishing disk correcting device are all electrically connected with a control terminal, and element machining, polishing disk detection and polishing disk correcting procedures are preset in the control terminal.