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2126results about "Paving gutters/kerbs" patented technology
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Modular porous swale
A modular porous swale. The modular porous swale may comprise a porous concrete block and filtration joint. The porous concrete block may snugly fit within a trench having a lower portion filled with an absorption media. The absorption media may include gravel, activated alumina, bone char, biochar, bone char and activated alumina mixture, and biochar and activated alumina mixture. The porous concrete block may have a top surface inwardly-sloped to a nadir. The filtration joint may be disposed within the porous concrete block and along the nadir. The liner may cover one or more sides of the porous concrete block. The perforated pipe may be located within the absorption media. The filtration joint may substantially align above a portion of the perforated pipe when the modular porous swale is installed within the trench.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
Protective barrier
A protective barrier includes an angle bracket having a length extending from a first end to a second end of the protective barrier. The angle bracket includes a first elongate leg member having a first edge extending along the length of the angle bracket, the first elongate member having a first side configured to be mounted to a surface, a second elongate leg member extending along the length of the angle bracket and substantially perpendicular from the first elongate leg member, and an impact absorber extending from the first end to the second end of the protective barrier, the impact absorber being compressible and configured to be disposed on the angle bracket.
Owner:MCCUE CORP
High strength porous cement-based materials
The present disclosure is related to a method of forming a cement-based material pad comprising a plurality of drainage holes and forms for use in such a method.
Owner:IMPERIAL COLLEGE INNVOATIONS LTD
Temporary traffic shortcut for road construction
The utility model relates to the technical field of road construction, in particular to a temporary traffic road for road construction. The multiple supporting rods are connected with the passing panel, the multiple supporting rods are all located on the same side of the passing panel, and a receding cavity is formed between every two adjacent supporting rods; the supporting bottom plate is located on the side, away from the passing panel, of the supporting rod, and the supporting bottom plate is connected with the supporting rod; a temporary supporting surface can be provided for vehicle passing through the passing panel, and the passing panel can be separated from the ground through the supporting rods, so that the passing panel is kept horizontal with the original road surface, and the structural strength of the passing panel is improved; the supporting bottom plate can be matched with the passing panel and the multiple supporting rods to form a stable hollow structure, noise generated when a vehicle passes through is reduced, and the receding cavity can be formed so that a forklift arm of a forklift can stretch into the receding cavity to achieve the effect of carrying and transferring.
Owner:SHAANXI ROAD & BRIDGE GRP ROAD SURFACE CONSTR
Solid waste-based cementing material and preparation method thereof
The invention provides a solid waste-based cementing material and a preparation method thereof, and relates to the technical field of solid waste resource utilization and cementing material preparation. The cementing material is prepared by mixing and grinding 60-80 parts by weight of modified phosphogypsum and 20-40 parts by weight of an auxiliary material, and the auxiliary material comprises at least one of steel slag powder, fly ash, lithium slag and mineral slag; a preparation method of the modified ardealite comprises the following steps: carrying out microwave treatment on ardealite for 0.5-1 hour, mixing the treated ardealite with aluminum oxide, attapulgite and sodium lignosulphonate, adding a tetramethylammonium hydroxide solution, and drying to obtain the modified ardealite. According to the solid waste-based cementing material disclosed by the invention, the phosphogypsum is modified, so that the solid waste-based cementing material has the characteristics of high strength, stable cementing, strong erosion resistance and the like while the mixing amount of the phosphogypsum is increased.
Owner:HUBEI COMM PLANNING & DESIGN INST CO LTD
Shock insulation roadbed structure of road and shock insulation road
The invention provides a road shock insulation roadbed structure and a shock insulation road, the road shock insulation roadbed structure comprises an embankment, and is characterized by comprising a high-damping concrete layer, a shock insulation cushion layer, a concrete bearing layer and a flexible buffer layer which are sequentially arranged below the embankment from top to bottom, and shock insulation pile holes arranged in a soil body below the flexible buffer layer in an array, the rubber hole protection sleeves are attached to the inner walls of the shock insulation pile holes and inserted into the shock insulation pile holes, and the shock insulation grooves are excavated in the direction of the road close to the two sides of the embankment. According to the invention, the transmission of earthquake energy to the embankment and the road surface can be reduced, so that the road can be protected.
Owner:CCFEB CIVIL ENG
Cement concrete curb based on multi-stage activated waste asphalt milling material and preparation method of cement concrete curb
The preparation method of the cement concrete curb based on the multi-stage activated waste asphalt milling material comprises the following steps: gradient crushing and screening: coarsely crushing RAP by a jaw crusher until the particle size is less than or equal to 20mm, finely crushing the RAP by a vertical shaft impact crusher until the particle size is less than or equal to 10mm, and then carrying out vibration screening and airflow separation to obtain an RAP powder; and separating to obtain coarse aggregate of 5-10 mm, fine aggregate of 2-5 mm and active powder of less than 0.075 mm. Through the synergistic effect of the nano SiO # imgabs0 # and the silane coupling agent, a siloxane net structure is formed on the surface of RAP, and chemical bonding of a cement hydration product and old asphalt is promoted; low-carbon economy is achieved, the RAP mixing amount reaches 85%, the cement consumption is reduced by 50% compared with that of traditional concrete, and the emission of CO # imgabs 1 # is reduced by 58%.
Owner:安徽交控工程集团有限公司
Linear or trench drain systems
ActiveUS12546102B2Sewerage structuresPaving gutters/kerbsStructural engineeringMechanical engineering
Owner:ADVANCED DRAINAGE SYSTEMS INC
Road drainage system after municipal transformation of road
PendingCN119980802AFatty/oily/floating substances removal devicesSewerage structuresEnvironmental resource managementEnvironmental engineering
The invention relates to the technical field of road drainage engineering, in particular to a road drainage system after municipal transformation of a road. The rainwater distribution condition after municipal transformation of the expressway is considered as a whole, the drainage structure is reasonably arranged to be effectively connected with a municipal drainage system, graded drainage is achieved, drainage pressure is reduced, and the rapid drainage requirement of municipal transformation of the expressway is met; the road drainage system is beneficial to reducing the pressure of a downstream drainage pipeline, reducing the specification of the drainage pipeline and reducing the engineering investment.
Owner:CCCC FIRST HIGHWAY CONSULTANTS CO LTD
Fabricated paving stone capable of guiding flow and draining water and processing technology of fabricated paving stone
The invention discloses a processing technology of flow guide and drainage assembly type paving stone, and belongs to the technical field of paving stone, the flow guide and drainage assembly type paving stone comprises a paving stone body, a flow guide and drainage groove is formed in the paving stone body, and water collecting holes are formed in the corners of the flow guide and drainage groove; the water collecting hole communicates with a water storage cavity in the paving stone body through a water inlet channel, a drainage channel communicating with the outside is formed in the middle of the water storage cavity, two flow dividing grooves are formed in the side edge of the water collecting hole, and a butt joint inserting block is fixed to an opening of one flow dividing groove; the butt joint inserting blocks are inserted into the flow dividing grooves in the other paving stone body and used for connecting the drainage systems in the multiple paving stone bodies in parallel. According to the flow guide and drainage assembly type paving stone and the processing technology thereof, in the paving process of the paving stones, the adjacent paving stones can be conveniently assembled, the connection strength between the paving stones is improved, and meanwhile after the paving stones are connected, drainage systems of the multiple paving stones communicate with one another.
Owner:FUJIAN JUNMA CERAMICS CO LTD
Expansive soil roadbed drainage anti-seepage structure and construction method
The invention discloses an expansive soil roadbed drainage anti-seepage structure and a construction method, and relates to the technical field of expansive soil roadbed construction.The expansive soil roadbed drainage anti-seepage structure comprises a roadbed body and geotechnical cloth and further comprises a laying mechanism arranged on a moving vehicle and used for laying the geotechnical cloth, and the laying mechanism comprises an L-shaped plate slidably connected to the moving vehicle; the end, away from the moving trolley, of the L-shaped plate is connected with a U-shaped frame, the U-shaped frame is rotationally connected with a rotating shaft, the geotechnical cloth is wound around the rotating shaft, and a first motor used for driving the rotating shaft to rotate is arranged on one side of the U-shaped frame. According to the expansive soil roadbed drainage anti-seepage structure and the construction method, through the arrangement of the laying mechanism, an operator does not need to conduct manual laying operation on the inclined side wall of the side ditch, then the safety of geotechnical cloth laying is improved, and meanwhile under the cooperation effect of the pressing assembly and the driving assembly, the anti-seepage performance of the side ditch is improved.
Owner:CHINA MCC17 GRP CO LTD
Municipal road drainage mechanism
InactiveCN120273425AFatty/oily/floating substances removal devicesSewerage structuresMechanical engineeringStormwater
Owner:NINGXIA WEIHUA XINXING CONSTR CO LTD
Preparation process of Yellow River deposited sand high-strength cement-based curb material
The invention discloses a preparation process of a Yellow River deposited sand high-strength cement-based curb material, which comprises the following steps: (1) adding mixed powder formed by pseudo-wollastonite powder and glass powder into wet chopped basalt fibers to obtain pretreated basalt fibers; and (2) carrying out heat treatment on the pretreated basalt fiber and coal gangue powder to obtain pretreated coal gangue powder and modified fiber for later use. And (3) wetting the modified fiber by using a tannic acid saturated solution, and carbonizing in a carbonization box containing carbon dioxide and water vapor to obtain the carbonized modified fiber. And (4) taking cement powder, gravel coarse aggregate, Yellow River deposited sand, fly ash, carbonized modified fiber, a water reducing agent and the like as raw materials. The preparation method comprises the following steps: uniformly mixing the raw materials, adding mixing water and uniformly mixing. According to the invention, the mechanical strength of the curb is effectively improved by adopting the fibers which have good bonding capacity with the curb matrix, and the application of the yellow river deposited sand is promoted.
Owner:SHANDONG XINGLI CONSTR ENG CO LTD +1
Asphalt pavement milling material cold recycling prefabricated part and preparation method
The invention relates to the technical field of recycling of renewable resources, in particular to an asphalt pavement milling material cold-recycled prefabricated part and a preparation method, and the asphalt pavement milling material cold-recycled prefabricated part is prepared from the following raw materials in parts by weight: 45 to 53 parts of waste pavement milling material with the particle size of less than 4.75 mm, 19 to 27 parts of waste pavement milling material with the particle size of 4.75 to 9.5 mm, 20 to 28 parts of stone chips, 1 to 1.4 parts of mineral powder, 1.6 to 2.0 parts of silica fume, 4.6 parts of water, 2.3 to 2.7 parts of cement and 2.3 to 2.7 parts of foamed asphalt. According to the invention, the waste asphalt pavement milling material is used as the raw material of the concrete prefabricated component, so that the resource is saved, the utilization rate of the asphalt milling material is increased, and the green development concept is met; the prefabricated parts are manufactured through a cold regeneration process, compared with a traditional hot mix plant regeneration process, energy is saved, environment friendliness is achieved, emission of greenhouse gas is reduced, and therefore the problems that the hot mix plant regeneration mode is high in cost and carbon emission are solved.
Owner:JILIN HIGHROAD RECONNAISSANCE DESIGN INST
Charging device integrated into a kerb, kerbstone or paving stone, for charging an energy store of an electrically driven vehicle
PendingUS20260138474A1Charging stationsOhmic-resistance waterproof/air-tight sealsStructural engineeringNatural stone
A curb stone or paving stone charging device for charging an energy store of an electrically driven vehicle. The curb stone or paving stone charging device includes a main body, an inner receiving space which is delimited on a plurality of sides by the main body, a cover which closes the receiving space, a charging unit having components which are arranged in the receiving space, a charging socket which is connected mechanically at least indirectly to the cover, and a heating element which heats the cover. The main body is produced from a metal, a concrete, a natural stone, a plastic or a composite material.
Owner:PIERBURG GMBH
Novel self-locking straight-through hole water permeable brick
The utility model discloses a novel self-locking straight-through hole water permeable brick which comprises a water permeable brick body, and the cross section of the water permeable brick body is of a rectangular structure. The number of the first splicing grooves is two, and the two first splicing grooves are symmetrically formed in the two opposite side faces of the top face of the water permeable brick body; two groups of second splicing grooves are symmetrically formed in the bottom surfaces of the water permeable brick main bodies, and the first splicing grooves and the second splicing grooves of the adjacent water permeable brick main bodies are correspondingly arranged; a plurality of groups of water permeable holes are arrayed on the water permeable brick main body, and the axes of the water permeable holes are parallel to the height direction of the water permeable brick main body; the flow guide grooves are respectively formed in the top surface and the bottom surface of the water permeable brick main body, and the adjacent water permeable holes are communicated through the flow guide grooves; the lengths of the first diversion trench and the second diversion trench are equal and are half of the length of the water permeable brick main body. According to the utility model, the plurality of water permeable brick main bodies form an occlusion effect, so that the splicing stability is ensured, meanwhile, the splicing is simple, and the construction difficulty is low.
Owner:武夷学院
Frozen soil roadbed side ditch structure
A permafrost roadbed side ditch structure comprises a permafrost base layer, a roadbed base layer and a roadbed surface layer are sequentially arranged on the permafrost base layer, the permafrost roadbed side ditch structure further comprises a foundation trench, a rigid partition plate set and a side ditch body, the foundation trench is supported on the permafrost base layer, the foundation trench is filled with an inverted filter layer, a drainage pipe is arranged in the inverted filter layer, and the rigid partition plate set comprises an outer side partition plate and an inner side partition plate. The outer side partition plate is arranged on the inverted filter layer, the inner side partition plate is fixedly arranged on the frozen soil base layer and attached to the side walls of the roadbed base layer and the roadbed surface layer, a plurality of water seepage holes are formed in the inner side partition plate, a plurality of capillary tubes extending in the height direction are arranged between the inner side partition plate and the outer side partition plate, and the lower ends of the capillary tubes extend to the inverted filter layer. A sand and gravel piling layer is arranged on the inverted filter layer, and the side ditch body is supported on the sand and gravel piling layer and connected with the top of the outer side partition plate. The structure is simple, the construction is convenient, and the long-time normal use of the frozen soil roadbed can be ensured.
Owner:SOUTHWEST JIAOTONG UNIV +1
Water permeable brick as well as brick surface treatment process and polishing equipment thereof
The invention belongs to the technical field of grinding, particularly relates to a water permeable brick and a brick surface treatment process and grinding equipment thereof, and provides the following scheme aiming at the problems that in the prior art, only one surface can be ground at a time, the efficiency is low, and a positioning clamping groove cannot be ground in the grinding process: the water permeable brick comprises a worktable, and a water tank is arranged at the bottom of the worktable; a grinding disc is rotatably arranged at the top of the workbench in a penetrating mode, a motor is arranged at the bottom of the workbench, and one output end of the motor is in transmission connection with the grinding disc through a gear and used for driving the grinding disc to rotate; a motor drives a grinding disc to rotate to grind the bottom of a water permeable brick, meanwhile, a first electric push rod drives a clamping plate to move to clamp a brick body, a second electric push rod drives a chassis to move in a lifting mode, and a transmission assembly is matched to achieve movement of a grinding frame, a first grinding block and a second grinding block; and the outer wall and the bottom rectangular opening of the water permeable brick are polished, manual overturning for sequential polishing is not needed, and the polishing efficiency is improved.
Owner:JIAXING GUOXIU ENVIRONMENTAL PROTECTION BUILDING MATERIALS CO LTD
Multi-layer concrete block for a paving, as well as paving and method for producing a concrete block
The invention relates to a concrete block in the form of a planar element that can be laid in combination in order to create a paving. The concrete block has at least one multi-layer concrete block body having at least one concrete-block lower face suitable for being laid on a foundation layer of an underlying surface, and a concrete-block upper face opposite thereto. The multi-layer concrete block body has at least one first concrete-block layer disposed on the concrete-block upper face and in the form of a face concrete layer, at least one second concrete-block layer in the form of a core concrete layer, as well as a third concrete-block layer. The second concrete-block layers is disposed between the first and the third concrete-block layer. The third concrete-block layer has an increased tensile strength.
Owner:GODELMANN GMBH & CO KG
Road slope earth shoulder drainage system
The utility model discloses a road slope earth shoulder drainage system which comprises a water outlet piece, an earth shoulder vertical curb water blocking belt, a transverse drainage pipe assembly, a longitudinal drainage pipe and a base. The water outlet piece and the earth shoulder vertical curb water blocking belt are arranged on the edge of a highway pavement and used for collecting water in a centralized mode. The base is embedded in a side slope; the longitudinal drainage pipe is arranged on the base, and the longitudinal drainage pipe is longitudinally arranged in the advancing direction of a road; one end of the transverse drainage pipe assembly is connected with the water outlet piece and the earth shoulder vertical curb water blocking belt, and the other end of the transverse drainage pipe assembly is connected with the longitudinal drainage pipe. The longitudinal drainage pipe is provided with a plurality of sections, and the plurality of sections of the longitudinal drainage pipe are communicated with one another and finally communicated to a rain sewage outlet point. The drainage ditch is suitable for the conditions that drainage of a highway embankment drainage ditch arranged by utilizing gravity flow is unsmooth, natural water systems on the ground surface are deficient or land use is limited and the like; according to the utility model, fewer water outlet points of a natural water system can be reasonably utilized to form a complete drainage system.
Owner:HARBOUR ENG DESIGNING INST CO LTD CCCC FOURTH HARBOR ENG G
Shallow permeable regulation and storage device and method thereof
The invention discloses a shallow layer water-permeable regulation and storage device which comprises a water-permeable paving unit which comprises a plurality of uniformly arranged water-permeable paving bricks and a water-permeable supporting grating fixedly paved on the lower sides of the water-permeable paving bricks; the shallow-layer regulation and storage unit comprises a shallow-layer regulation and storage pond arranged under the water-permeable supporting grid and a water-permeable supporting plate laid in the shallow-layer regulation and storage pond, and a plurality of sets of evenly-distributed supporting pieces are erected on the lower side of the water-permeable supporting plate and the inner wall of the lower side of the shallow-layer regulation and storage pond; the upper side wall of the water-permeable supporting plate is clamped with the water-permeable supporting grating through a plurality of groups of uniformly distributed supporting pieces; a shallow layer water-permeable regulation and storage method comprises the following steps that S1, during rainfall, rainwater penetrates through water-permeable paving bricks and enters a shallow layer regulation and storage pond, water in the shallow layer regulation and storage pond flows into a water purification tank, and the rainwater is collected. The water-permeable paving bricks do not need to be disassembled, the regulation and storage space module is automatically cleaned, and the cleaning step of the regulation and storage device is simplified.
Owner:JIANGSU JIANDA HUANQUAN WATER CO LTD
Road curb capable of draining water and irrigating
ActiveCN222935793UFatty/oily/floating substances removal devicesPaving gutters/kerbsEnvironmental engineeringRoad construction
The road curb capable of draining and irrigating comprises a curb body, and a water guide channel penetrating through the two side faces of the curb body in the length direction of the curb body is formed in the curb body. A plurality of road side drainage holes communicated with the water guide channels are formed in the road side face of the curb body at intervals in the length direction, and a plurality of greening side drainage holes communicated with the water guide channels are formed in the greening side face of the curb body at intervals in the length direction. A filtering structure is arranged in each road side drainage hole and / or each greening side drainage hole. The device has the advantages of improving the road drainage capacity, prolonging the service life of the road, saving energy, protecting environment, being easy to install and maintain, wide in application range and the like. Therefore, the utility model has wide application prospect and popularization value in the field of road construction.
Owner:SHANGHAI WATER ENG DESIGN & RES INST
Retroreflective weed-proof sheet and method for manufacturing the same
To provide a retroreflective weed-proof sheet in which the position of a curb is easily visually recognized at night.SOLUTION: A retroreflective weed-proof sheet is laid at a boundary between a roadway or a sidewalk and a curb. The retroreflective weed-proof sheet is formed by laminating and integrating a glass bead 2 embedded in a transparent resin layer 1, an aluminum layer 3, a nonwoven fabric layer 4, and an asphalt layer 5 in this order from the surface. Due to the glass beads 2 and the aluminum layer 3 embedded in the transparent resin layer 1, when the headlight of a vehicle is applied at night, the color of the surface is visually recognized as silver gray, so that the position of the curb can be confirmed. The aluminum layer 3 and the nonwoven fabric layer 4 are formed of an aluminum-deposited nonwoven fabric.SELECTED DRAWING: Figure 1
Owner:UNITIKA LTD +1
Ecological rainwater garden
The invention discloses an ecological rainwater garden, and relates to the technical field of rainwater gardens, and the ecological rainwater garden comprises a kerb, a water storage system, a drainage system and a planting system; the curb is arranged on a road, and a drainage ditch and a foundation pit are formed in the road; the water storage system comprises a water storage tank; a water storage space is formed in the water storage tank; the drainage system comprises a drainage part and a floating part; the planting system comprises a planting layer, a sandy soil layer, a gravel layer and a water storage layer; the planting layer, the sand soil layer and the gravel layer are distributed from top to bottom in the space, located above the water storage tank, of the foundation pit in the vertical direction, and the particle sizes of the planting layer, the sand soil layer and the gravel layer are gradually increased; the water storage layer fills the space, located below the water storage tank, of the foundation pit and is used for storing water. The device can effectively help to eliminate accumulated water on the road surface, rainwater is purified and filtered to be effectively utilized, and meanwhile the survival rate of plants can be effectively guaranteed.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD
System for controlling animal pests
A system for controlling animal pests that is to be used on roads through a module forming part of a sidewalk that has at least one entry for animals to access an inner chamber of the module, this chamber being configured to contain poison, a placebo and / or traps for the animal pests to be treated.
Owner:RUBIO CARRERA IGNACIO +2
A green landscape road
The utility model discloses a green landscape road including a carriageway and a sidewalk, and sidewalks are arranged on both sides of the carriageway. A green belt is arranged in the middle of the carriageway and on the side of the sidewalk away from the carriageway, and the height of the green belt is lower than the carriageway and the sidewalk and an overflow pipe is arranged. A drainage mechanism is arranged at the bottom of the carriageway, and a water delivery mechanism is arranged at the bottom of the sidewalk. The overflow pipe is connected with the drainage mechanism, and the drainage mechanism is connected with the water delivery mechanism. By making full use of the structural characteristics of the road itself and combining with drainage facilities, the occurrence of waterlogging and flooding on the road can be effectively reduced.
Owner:GUANGZHOU JINGHUI LANDSCAPE ENG CO LTD
A hexagonal honeycomb arch type drainage board
The present invention relates to a hexagonal honeycomb arch-type drainage board, which belongs to the technical field of drainage penetration protection. It includes a honeycomb drainage layer and a support body. The honeycomb drainage layer is composed of a number of adjacent hexagonal hollow mesh structures. The inner side of the hexagon is a cavity. The support body is perpendicular to the honeycomb drainage layer and the top of the support body is connected to the common angle of adjacent hexagons. Through the cooperation between the honeycomb drainage layer and the support body, gravity can be evenly dispersed to each connection point, and the pressure can be effectively transferred to the surrounding area by forming an arch shape through adjacent support bodies and their edges, thereby realizing a stable mechanical system. At the same time, there is a cavity in the middle of the hexagon as a drainage channel. The support body supports the honeycomb drainage layer, which can ensure that the liquid can be discharged smoothly.
Owner:DALIAN PLASTICS RES INST CO LTD
Anti-waterlogging drainage structure for urban village low-lying area
The invention provides an anti-waterlogging drainage structure for a village in city low-lying area. The anti-waterlogging drainage structure comprises a porous permeable drainage layer and a water storage permeation unit. The surface of the porous water-permeable drainage layer is in a micro-slope design, and a porous pipeline is embedded in the porous water-permeable drainage layer, can be arranged in the slope direction or in the direction perpendicular to the slope direction and is connected to an external drainage system. The water storage permeation unit comprises an upper permeation area and a lower water storage area, and the upper permeation area is filled with sandy soil and permeable vegetation and used for slowing down the flow velocity of rainwater and filtering impurities. The lower layer water storage area is provided with a hollow structure, and the hollow structure is connected with an external irrigation system and used for storing and recycling rainwater. According to the anti-waterlogging drainage structure for the village in city low-lying area, the pressure of a drainage system can be remarkably reduced under the rainstorm condition, meanwhile, a water source is provided for follow-up irrigation, and compared with a traditional single drainage or water storage structure, the higher comprehensive management efficiency is achieved, and the higher rainwater storage and staged treatment capacity is achieved.
Owner:POWERCHINA WATER ENVIRONMENT GOVERANCE
Tailing-based soil improvement water permeable brick and preparation method thereof
The invention provides a tailing-based soil improvement water permeable brick and a preparation method thereof, and relates to the field of solid waste recycling. The tailing-based soil improvement water permeable brick comprises a surface layer and a base layer, the base layer comprises a core layer and a shell layer arranged on the surface of the core layer; the surface layer comprises the following raw materials: tailings, cement, a binder solution, pigment and water in a mass ratio of (60-80): (33-72): (4-26): (2-12): (7-16); the shell layer comprises the following raw materials: tailings, cement, a binder solution, an adsorbent and water in a mass ratio of (60-80): (36-76): (5-30): (20-30): (8-18); the core layer comprises the following raw materials: tailings, potassium feldspar, a transforming agent, a binder solution, cement and water in a mass ratio of (60-80): (20-40): (50-80): (7-40): (19-48): (10-24). The tailing-based soil improvement water permeable brick has the characteristic of lasting improvement effect, and can be widely applied to the fields of soil remediation, garden construction, urban landscaping and the like.
Owner:BEIJING MINING & METALLURGICAL TECH GRP CO LTD
Permeable mortar based on building waste composite phosphogypsum and preparation method thereof
The invention discloses permeable mortar based on building waste composite ardealite and a preparation method of the permeable mortar. The mortar is prepared from the following components in parts by weight: 4 to 8 parts of 1.18 to 2.36 mm modified recycled aggregate, 16 to 22 parts of 2.36 to 4.75 mm modified recycled aggregate, 2 to 4 parts of cement, 2 to 4 parts of ardealite, 2 to 3 parts of water, 3 to 5 parts of microcapsules and 1 part of water reducing agent. According to the water-permeable mortar prepared by the invention, uniform distribution of C-S-H gel and ettringite is promoted through a multi-layer process synergistic effect, so that the microstructure is optimized, the later mechanical strength, durability and water permeability are improved, the setting time can be prolonged, the construction performance is ensured, the industrial requirements can be met, and the paving quality of ground materials such as water-permeable bricks is improved. According to the method, the resource utilization value of the building solid waste and the industrial byproduct gypsum is effectively improved, the production cost and the energy consumption can be remarkably reduced, a new technical path is provided for development of green building materials, reduction and resource application of the phosphogypsum and the building waste are achieved, and the method has a good application prospect.
Owner:CHONGQING JIAOTONG UNIV +1