34 results about "Sealcoat" patented technology

A towable, residential sealcoating apparatus and related methods for applying sealcoat to a residential, asphalt driveway. The towable, residential sealcoating apparatus can include a towable implement having a mounting frame, a sealcoat reservoir, a distribution manifold and an applicator member. The sealcoat reservoir can supply sealcoat to the distribution manifold and applicator member at the direction of a supply valve accessible to an operator on a tow vehicle. The applicator member can be vertically adjustable from an upward transport disposition to a downward application disposition. The distribution manifold is operably removable so as to allow for cleaning of the distribution manifold following completion of the sealcoating process.

Controlled release tolterodine beads are formed of a sugar core, an innermost sealcoat layer comprising HPMC, a tolterodine drug layer, and an outer control release layer. The thickness of the hydrophilic HPMC sealcoat layer can be used help modulate the release of the tolterodine drug.

A sealcoat system for providing a sealcoat that is free of silica. The sealcoat system generally includes providing a sealer, crushed glass, water and an additive, mixing the sealer together with the crushed glass, water and additive to form a sealcoat composition, and applying the sealcoat composition to a road. The crushed glass is preferably comprised of soda-lime glass and is further preferably comprised of container glass used in the production of bottles and jars.

The invention discloses a repairing and fixing structure for cracks of roads and bridges and particularly relates to the field of road and bridge construction. The structure comprises a bridge body and a grouting part, a crack body is arranged in the bridge body, a first caulking groove is formed in the position, close to the crack body, of the bridge body, a second caulking groove is formed in the top of the first caulking groove, and a grouting sealing layer is arranged between the first caulking groove and the crack body. According to the invention, the grouting sealing layer is manufactured through the grouting part; grouting liquid of an epoxy resin material is injected into the material storage cavity of the grouting part; then the slurry is guided to the crack body and the groutingsealing layer formed on the inner wall of the first caulking groove through the slurry separation holes; according to low heat release, small contractibility and excellent adhesion to concrete after hardening of the epoxy resin material, the formed grouting sealing layer has good bonding performance with old concrete, re-crack expansion of the crack body due to hardening is avoided, and the problem of water seepage or reverse osmosis at the crack can be effectively solved.

The invention discloses a rail side semi-flexible transition structure of an urban tramcar and a construction method of the rail side semi-flexible transition structure. Asphalt concrete pavement and rail top sealant are provided with semi-flexible transition layers. The semi-flexible transition layer is made of a polymer composite material, and the rigidity of the semi-flexible transition layer is between the asphalt concrete pavement and the rail top sealant after the semi-flexible transition layer is hardened; the method comprises the following steps: 1, erecting a steel rail, and mounting a steel rail flexible package through an adhesive; 2, pouring a reinforced concrete roadbed slab, and embedding an asphalt laying protection plate; 3, laying asphalt concrete pavement according to road construction requirements; 4, after asphalt concrete pavement construction is completed and the strength is achieved, performing rail top sealant construction; and 5, cutting to remove the horizontal asphalt laying protective plate, heating the semi-flexible transition layer material by adopting a movable mixing machine, discharging and pouring after the semi-flexible transition layer material reaches a preset temperature, and forming the semi-flexible transition layer after the semi-flexible transition layer material is cooled and stabilized. By improving the cohesiveness and rigidity transition of the asphalt concrete and the rail top sealing layer, the problems of cracking and damage of the asphalt concrete on the steel rail side of the embedded monolithic track bed are solved.

The invention provides a preparation method of a multi-wall layer weather-resistant plant fiber reinforced air pipe. The preparation method comprises the following steps of mixing and emulsifying modified plant fibers and phenolic foam materials in different proportions to obtain surface layer and core layer fiber foam materials, and performing paving in a laminated manner to obtain a plant fiberreinforced foam heat-insulation layer; sequentially paving an outer isolation layer, the plant fiber reinforced foam heat-insulation layer, a damp-proof layer and a sealing layer, spraying a couplingagent among the layers during paving, brushing vinyl resin, then paving the next layer by using a fiber-based plasticizing adhesive, and finally obtaining the multi-wall layer weather-resistant plantfiber reinforced air pipe; additionally arranging a mute buffer layer between the outer isolation layer and the plant fiber reinforced foam heat-insulation layer to increase the mute performance; or additionally arranging a phase change layer between the plant fiber reinforced foam heat-insulation layer and the moisture-proof layer to improve the energy-saving performance. The multi-wall layer weather-resistant plant fiber reinforced air pipe prepared by the invention has the advantages of good heat insulation performance, light weight, good flame-retardant performance and good anti-breaking performance.

The invention discloses a pavement water seepage instrument for road construction monitoring and a detection method.The pavement water seepage instrument comprises a base, a cavity is formed in the bottom in the base, the cavity communicates with a measuring cylinder through a first shut-off valve arranged on the upper surface of the base, an air pump is further installed on the base, and an air outlet of the air pump is connected with a second shut-off valve communicating with the cavity through a hose; the cavity is further connected with a pressure gauge which is arranged on the base and used for displaying the internal pressure of the cavity, and the lower portion of the base is further detachably connected with a clamping ring in a clamped mode and a three-dimensional silica gel gasket which is installed in the base and located on the outer side of the edge of the cavity. According to the invention, the stress extrusion state of the three-dimensional silica gel gasket can be adjusted in a self-adaptive manner by adopting a detachable clamping mode of the clamping ring and the base, so that the sealing anti-pressure capability of the three-dimensional silica gel gasket can be adjusted to adapt to detected road bodies with different roughness; a plurality of sealing layers can be formed by adopting the three-dimensional silica gel gasket, so that the sealing between the water seepage instrument and the road surface is further improved, and the problem of abnormal leakage in the testing process is avoided.

The invention discloses a roadbed construction method of a highway reinforced concrete pavement. The roadbed construction method comprises the following steps: 1, prefabricating reinforced concrete pavement components; 2, excavating and laying a base; 3, assembling the reinforced concrete pavement component and the base; 4, laying a sealing layer and a maintenance layer, wherein the reinforced concrete pavement component in the step 1 comprises a concrete block, a longitudinal steel bar, a transverse steel bar, a fixing piece, a limiting piece and a lifting hook, the longitudinal steel bar andthe transverse steel bar are embedded in the concrete block, and the longitudinal steel bar and the transverse steel bar are connected in a bundling mode; fixed pieces are embedded in the left end and the right end in the concrete block correspondingly, the fixed pieces and the limiting pieces are arranged in a one-to-one correspondence mode, and the limiting pieces are welded to the lifting hooks. According to the roadbed construction method of the highway reinforced concrete pavement, the roadbed formed after construction is long in service life, large-area breakage is prevented, and partial repair of the pavement is facilitated.

The invention discloses fire-fighting sand storage equipment with high sealing performance. The equipment comprises a box body, a top sealing device, an opening, an identification position, a controller, a power line, a stable sand discharge device, a discharge hopper and a bottom sealing mechanism, the top sealing device is mounted at the top of the box body, and a clamping groove fixing mode is adopted in the top sealing device. The feeding position of the opening in the top of the box body can be rapidly and stably fixed, and the sealing effect of the box body is achieved. The stable sand discharge device is installed in the middle of the interior of the box body, the interior of the stable sand discharge device is controlled by an independent motor, the motor effectively drives a belt wheel to move, then a bevel gear in a transmission box moves to enable an auger to conduct discharging, manual sand shoveling is not needed, and the sand discharging efficiency in the face of a fire disaster is improved. The bottom sealing mechanism is installed at the bottom of the box body, an electric push rod in the mechanism controls a bottom inserting plate to seal a through hole, a sealing layer is tightly adhered to the top of the inserting plate, the structure is simple, and the sealing effect on an outlet is good.

The invention discloses a vacuum grouting device for road surface after pre-burying aggregate concrete, which comprises a pavement structure layer, a slurry feeding system, a slurry stirring system and a vacuum assembly, the upper end of the pavement structure layer is covered with a sealing layer to realize full sealing, the slurry feeding system comprises a mud jacking pump pressure gauge, and the slurry stirring system comprises a slurry storage barrel and a slurry stirring machine which are connected with each other; the vacuum assembly comprises a vacuum pump, a negative pressure box, a vacuum meter and a waste slurry barrel. The invention further discloses a construction method for vacuum grouting of the pre-buried aggregate concrete. According to the method, a traditional pre-buriedconcrete grouting method is broken through, the grouting efficiency is improved by manufacturing the vacuum condition, grout is filled and diffused to meet the design requirement, and the purpose ofstrengthening the concrete structure is achieved after grout diffusion and gelatinization solidification. In actual engineering, the construction requirements can be better met, the specified strengthcan be achieved, the construction quality can be improved, the construction period can be shortened, the construction cost can be reduced, and the construction efficiency can be improved.

The invention provides a sealing device before a bituminous pavement water seepage test. The problems that efficiency is low, the sealing effect is poor, the track of a sealing layer is not a perfect circle, the water seepage area cannot be guaranteed, and time and labor are wasted in the laying process of the sealing layer before the water seepage test are effectively solved. According to the technical scheme, the sealing device before the bituminous pavement water seepage test comprises a base, wherein an inner shell is arranged at the upper end of the base, a cylinder is fixed to the upper side of the inner shell, a vertical rod is arranged in the cylinder, a spiral groove is formed in the vertical rod, and a rotating cylinder sleeves the outer side of the vertical rod; an annular plate is fixed to the outer edge of the inner shell, a plurality of containers penetrate through the annular plate, a plurality of discharging ports are formed in the lower side walls of the containers, square plates are arranged in the containers, the cylinder sleeves with a circular plate, a plurality of threaded pipes penetrate through the circular plate, screws are connected into the threaded pipes through threads, an outer cylinder is arranged on the outer side of the annular plate, and a gear ring is fixed to the inner side wall of the outer cylinder; a gear is fixed on the outer side of each container, a plurality of arc-shaped plates are hinged to the lower end of the annular plate, connecting rods are hinged to the edges of the lower end faces of the containers, and the other ends of the connecting rods are spherically hinged to the arc-shaped plates.

The invention discloses a solar power generation pavement component which comprises a pavement module. The pavement module includes a sealing layer, a solar cell panel, a protective layer, and a lighttransmitting abrasion layer in order from bottom to top. The sealing layer and the solar cell panel are connected through an adhesive layer. The solar cell panel and the protective layer are connected through an adhesive layer. The light transmitting abrasion layer includes a light transmitting polymer film body and light transmitting aggregate particles. The light transmitting aggregate particles are uniformly arranged inside and on the surface of the light transmitting polymer film body. The light transmitting aggregate particles on the surface of the light transmitting polymer film body protrude from the surface of the light transmitting polymer film body. The abrasion layer on the surface of the solar power generation pavement provided by the invention has high toughness and shock absorption performance and excellent abrasion resistance and durability. At the same time, the abrasion layer provided by the invention can effectively reduce light reflection and improve light transmittance.

The present invention provides a packaged binder unit comprising a binder core retained within a sealable laminated bilayer, wherein the sealable laminated bilayer comprises a bi-axially oriented polymer layer and a non-bi-axially oriented polymer layer, and wherein the binder core comprises a bituminous binder or a synthetic binder.

The present invention further provides a process for manufacturing an asphalt composition comprising the step of mixing the binder unit according to the present invention in a mixing unit with aggregates heated to a temperature in the range of from 140° C. to 220° C.

Additionally, the present invention also provides for a process for manufacturing an asphalt pavement, further comprising spreading the asphalt composition into a layer and compacting the layer, wherein the compaction in step suitably takes place at a temperature of from 120° C. to 180° C.

The invention provides a device for expanding a compaction contact surface of a road roller. The device comprises a sealing bag and a rubber cushion layer which are sequentially nested from inside to outside, the sealing bag further comprises a sealing layer tightly attached to the outer circumferential surface of the vibrating wheel of the road roller and zircon sand filled in the bag. The cushion layer structure sleeves the vibrating wheel of the road roller, so that in the rolling process, the wheel load is firstly transmitted to the zircon sand cushion layer, zircon sand in a non-full state flows under the action of the wheel load, the thickness under the wheel is adaptively adjusted, and meanwhile, a rectangular area with a certain width and the same length as the vibrating wheel is formed under the combined action of the elasticity of the rubber cushion layer; the contact area between the vibrating wheel and the subgrade surface is effectively enlarged, and the red sandstone fully-weathered material or silty-fine sand which is poor in cohesive force and uniform in particle size can easily reach a high-degree compaction state under the action of pressure due to the constraint effect of the contact surface.