2086 results about "Base course" patented technology

The invention discloses a construction method of a wall putty of a plaster-free concrete structure. The construction method comprises the following steps: construction preparation, base course treatment, concave-convex line construction, a first full application of wall putty, flattening, a second full application of wall putty and flattening. The construction method has the advantages of less workload, short construction time, little resource consumption, no hollow drum and crack of the floated coat, no crack at the joint of the primary structure and the secondary structure.

Provided is a temperature-adjusted and modified recycled ASCON composition for reusing 100% of waste ASCON for road pavement, and a method for manufacturing same, wherein the composition is used in asphalt pavement as a material for the wearing course, surface course, binder course, and base course, and the method comprises: feeding 100 wt % of waste ASCON aggregate having up to a 53 mm particle size distribution into a mixer via a feeding inlet for new aggregate; adding 0.1 to 20 wt % of a recycling modifier and 0.1 to 20 wt % of a temperature-adjusting additive to the waste ASCON via the feeding via the inlet for new aggregate; and homogeneously mixing said materials at 5 to 180 DEG C for 0.5 to 3 minutes. The recycling modifier improves the physical properties of recycled ASCON, while the temperature-adjusting additive adjusts the temperatures for producing and constructing recycled ASCON. The present invention may provide economic, social and technological conveniences by improving the overall recycling technology of waste ASCON. The conveniences may be achieved by virtue of: cost-saving in production by using only waste ASCON without any new materials; saving waste disposal costs; preventing the destruction of nature to obtain aggregate; reducing the consumption of new asphalt; preventing environmental pollution through the reuse of waste products; preventing the early occurrence of plastic deformation and fatigue cracks due to improving the quality of the recycling modifier; economic benefits from the prolonged lifespan of road pavement; the possibility of being used as a material for the wearing course and surface course of major roadways; saving energy in the production and construction of recycled ASCON by adding the temperature-adjusting additive; and reducing greenhouse gas emissions.

A geocell is disclosed that has high strength and stiffness, such that the geocell has a storage modulus of 500 MPa or greater at 23° C.; a storage modulus of 150 MPa or greater at 63° C. when measured in the machine direction using Dynamic Mechanical Analysis (DMA) at a frequency of 1 Hz; a tensile stress at 12% strain of 14.5 MPa or greater at 23° C.; a coefficient of thermal expansion of 120×10⁻⁶/° C. or less at 25° C.; and/or a long term design stress of 2.6 MPa or greater. The geocell is suitable for load support applications, especially for reinforcing base courses and/or subbases of roads, pavement, storage areas, and railways.

The invention relates to a semi-flexible pavement base material and a preparation method thereof. The semi-flexible pavement base material comprises 20-75% of an aggregate, 22-75% of cement-emulsified bitumen mortar and 1-8% of water. Through adjustment and optimization of composition and compatibility of the cement, emulsified bitumen and aggregate, an adhesion state and a molded structure of the cement, emulsified bitumen and aggregate are improved so that the semi-flexible pavement base layer structure has ideal rigidity and flexibility, rutting resistance and cracking resistance of the semi-flexible pavement base layer structure are improved and water damage resistance and fatigue resistance of the semi-flexible pavement base layer structure are improved. The semi-flexible pavement base material and the preparation method thereof are mainly used for building and refurbishment of high-grade roads and urban roads and are especially suitable for easily-rutted road sections such as heavy-loaded traffic roads, road intersections, uphill and downhill of a road, a bus stop and a bus transit lane.

Numerous embodiments of one or more layers of void-maintaining synthetic drainable base courses (“VMSDBC's”) are provided as incorporated into landfills and other waste containment facilities. Key advantages of landfills and methods according to the invention include a substantial decrease in the necessity for conventional gravel and sand layers, and an increase in the effective volume of a landfill or similar facility. Moreover, the invention decreases the cost attendant to locating, transporting, and forming conventional rock, sand and gravel materials into discreet layers.

The invention discloses an external insulation system and a construction method of a straight compressing EPS inorganic composite plate. The external wall firstly pre-produces the straight compressing EPS inorganic composite plate or a straight compressing EPS inorganic composite decorative board in a factory and compresses an inorganic composite enhancement layer onto a single-side of an expanded EPS plate by using a mechanical method; the outer surfaces of a base course wall of a building all adopt the EPS inorganic composite plate which adheres to a leveling blanket through bonding sands; the slab joint is pointed by jointing material and the outside of the jointing material is sealed again by weather proofing sealant; and a finish is arranged at the lateral of the system. The invention is characterized by the anti-crack, the good durability, the reliability and safety, the low cost and the fast construction.

The invention provides an inorganic thermal insulation material and a preparation method thereof. The material is obtained through the following steps of: mixing silica aerogel, soluble silicate, compound of structural formula (I), tin antimony oxide and hollow glass bead, adding a coupling agent into the above mixture for modification, mixing the resulting mixture with water, causing the resulting solution to infiltrate a glass fiber mat, and obtaining the material by processing the infiltrated glass fiber mat by means of hot-press forming. Compared with the prior art, the invention has the following advantages: firstly, hydrophobic treatment by modification is carried out, hydrophobic groups in a material nanometer microporous reticulated structure is exposed due to the action of the coupling agent so that the inorganic material has good water resistance, supercritical fluid drying is not needed and production cost is reduced; secondly, inorganic nanometer materials and inorganic fibers are adopted so that the compressive strength, tensile strength and rupture strength of the inorganic thermal insulation material are all pretty high, the bonding strength of the inorganic thermal insulation material with a base course is also pretty high, and the structure is stable; and finally, the silica aerogel causes the inorganic thermal insulation material to have a nanometer grade micro-closed-hole reticulated structure so that the heat conductivity coefficient of the inorganic thermal insulation material is reduced and thermal insulation performance is improved.

The invention discloses a water conservation temperature reduction half-flexible pavement. The pavement is formed by porous basic asphalt mixture; the pore of the porous basic asphalt mixture is filled by cement base water conservation mucilage. The porous basic asphalt mixture is formed by mixing high viscocity rubber modified asphalt with the brookfield viscosity of 1.5 to 4.0 Pa-S, aggregate and mineral powder when the detection temperature is 175 DEG C. The construction method is as follows: the porous basic asphalt mixture is paved on a compacted basic level; the cement base water conservation mucilage is used for grouting construction on the porous basic asphalt mixture; the pore of the porous basic asphalt mixture is filled; redundant sizing agent on the pavement is cleared. The water conservation temperature reduction half-flexible pavement overcomes the respective shortcoming of cement pavement and asphalt pavement, has the high strength, good toughness, long service life, gives the particular water conservation temperature reduction function on the pavement; the pavement temperature can be reduced by more than 10 to 20 DEG C; the water conservation temperature reduction half-flexible pavement has the remarkable ecological, technical, economic and social benefits.

The invention relates to a sprayed rigid foam polyurethane waterproof fireproof heat insulation wall and a construction method thereof. The structure of a composite layer of the wall from the inside to the outside in order is as follows: a base course wall (1), an interfacial agent plugging lower layer (2), a sprayed rigid foam polyurethane waterproof heat insulation layer (3), an interfacial agent seal course (4), an inorganic lightweight aggregate cement mortar screeding cracking resistant layer (5) which is buried with alkali-resistant glass fiber gridding cloth (6), a flexible waterproof layer (7) and a finishing coat (8), which are solidified into a whole, wherein, the dry powder of the inorganic lightweight aggregate cement mortar contains inorganic lightweight aggregate (one or the mixture of expanded vermiculite, obturator perlite or pumice) with 10-25 weight percent and the grain diameter less than or equal to 1 mm. The wall of the invention has light self-weight and good integrity, and solves the problem of bad waterproof heat insulation of the whole wall due to the rugged surface of the sprayed rigid foam polyurethane heat insulation layer. The construction method is easy to operate and low in cost.

The invention discloses a waterproof gum for stone. The waterproof gum is composed of liquid components and powdery components in a weight ratio of 1:(1-3), wherein the liquid components comprise 20-95% of acrylate emulsion, not more than 5% of antifoaming agent, not more than 4% of preservative and 4-75% of water; the powdery components comprise 0-70% of cement, 0-70% of quartz sand and 0-70% of calcium carbonate; and the powdery components comprise at least two of cement, quartz sand and calcium carbonate. By the adoption of the waterproof gum for the stone, disclosed by the invention, immersion of water and other harmful substances on the stone is reduced, so that the weathering of the stone is slowed down; and meanwhile, a good bonding performance is existent between the waterproof gum and base courses in the wet-sticking construction process, so that the phenomena, such as efflorescence, waterlogging, peeling, hollowing, dropping and cracking, on the stone are prevented.

A channeled synthetic drainable base course for use with natural or synthetic turf systems. The synthetic drainable base course provides for permeability and transmissivity of fluids, shock resistance when tested for fall impact safety and reduced installation effort and time. The synthetic drainage system may be installed as a separate component or as a composite layer of a turf system.

The present invention relates to a sludge treatment technology, and discloses a sludge dewatering solidification treatment method, which comprises the following steps: (1) separating sand and stone; (2) carrying out primary solid-liquid separation; (3) adding a solidification agent; (4) carrying out press filtration; and (5) draining. The sludge dewatering solidification treatment method has advantages of high efficiency, low energy consumption and easy operation and management, wherein the obtained sludge consolidation body has a certain structure and bearing capacity, and can be used as a highway base course filler, greening base soil, a building material and the like so as to achieve a harmless resource treatment of the sludge. In addition, with the treatment technology, sewage produced at the middle stage is subjected to a harmless treatment so as to achieve water resource recycling.

The invention discloses a construction method for a water-permeable and water-retaining water-permeable pavement structure. The method comprises the steps of carrying out roadbed excavation, carrying out cushion laying, carrying out base course laying, carrying out leveling layer laying, carrying out surface layer laying and carrying out joint sand laying. According to the method, the process is simple, and the water-permeable pavement structure with high water permeability and high water retention is obtained through processing construction waste into recycled aggregate and constructing, so that the problem of construction waste disposal is solved, a great deal of building materials can be provided, meanwhile, energy problem, environmental problem and social problem resulting from the exploitation of natural stone resources are avoided, and thus the method is a multipurpose measure; particularly, the water-permeable pavement structure plays an important role in adjusting the humiture of urban ground surface due to high water permeability and high water retention.

The invention relates to a fabricated road construction method. The fabricated road construction method is characterized in that the fabricated road construction method comprises the following steps that road surface detection and road surface regional division are conducted on a to-be-paved road surface; pavement prefabricating is conducted in a pavement prefabricating site according to road surface regional division; the to-be-paved road surface is broken and removed through an excavator, and base course leveling is conducted; a pavement is divided according to the region and hoisted to theto-be-paved road surface by a hoisting machine through hoisting holes in the to-be-paved road surface; the prefabricated pavement is assembled through a joint structure; and grouting treatment is conducted at the bottom of the pavement through a grouting car pump. According to a road paved through the fabricated road construction method, the pavements for road paving are all prefabricated in a special prefabricating site, after being well fabricated, the pavements are transported to a construction site to be subjected to paving assembly, assembly is quick and easy, the construction period is greatly shortened, the traffic interference to cities is small, and convenience is brought to quick restoring and smoothness of city roads.

The invention provides a method for constructing a roadbed and a base course by construction waste. The method is characterized by comprising the following steps that: A, waste ricks, waste concrete and mixture of bricks and soil are crushed on the spot, and are screened into four grades, namely rough grade, medium grade, fine grade and soil, wherein grain diameter of the rough grade is between 19 and 37.5 mm, grain diameter of the medium grade is between 4.75 and 19 mm, grain diameter of the fine grade is between 2.36 and 4.7 mm, and grain diameter of the soil is smaller than 2.36 mm; and B, the materials are mixed according to a proportion of sum of the rough grade, the medium grade and the fine grade in mass to the soil in mass of 4:6-6:4, and 40 to 60 grams of HEC cementing agent is added in 1,000 grams of the mixture to be used as the roadbed and a subbase course of a road and a base course material below secondary roads (including the secondary road). The method has the advantages: 1) sufficiently utilizing field materials; 2) improving the strength of a soil body; 3) prolonging the service life of the road, and reducing the maintenance cost; and 4) improving environment, and promoting development of circular economy of 'in-situ reclamation' of the construction waste.

The invention discloses a construction method for a sponge city rainwater collection system. The system comprises the steps of a, excavation of foundation pit; b, base treatment; c, water purification pool building; d, water storage tank being in place; e, water seepage base course paving; f, watering and maintenance. According to the construction method for the sponge city rainwater collection system, the construction is easy, the difficulty is low, the construction quality is easy to control, the construction cost is low, the referred construction equipment is little, the permeation effect is good, the water-holding capacity is strong, collected rainwater is purified and put into secondary use, the resource utilization efficiency of the rainwater is greatly improved, waste is turned into wealth, and the problem of scanty water resources is relieved.

The invention discloses a preparation method of phosphorus building gypsum-based water-resisting and self-leveling mortar. The anti-cracking mortar is prepared from the following components in percentage by mass: 50 to 90 percent of phosphorus building gypsum, 10 to 50 percent of baked sand, 0 to 20 percent of cement, 0 to 5 percent of fly ash, 0 to 15 percent of an active activator, 0 to 3 percent of a water repellent, 0.1 to 1 percent of a high-performance plasticizer, 0 to 0.2 percent of an anti-settling agent, 0 to 0.2 percent of a flocculating agent, 0.01 to 0.4 percent of a calcium sulfate retarder, 0 to 3 percent of a high-molecular polymer and 0.05 to 0.3 percent of a high-performance defoaming agent. According to the preparation method disclosed by the invention, phosphogypsum which is an industrial waste is used as a main raw material, so that the prepared self-leveling mortar is high in quality performance and high in water resistance, can be applied to a leveling project for indoor and outdoor grounds, is particularly applicable to a floor heating project and a wood floor base course leveling project, is high in coagulation and hardening speed, high in volume stability,high in temperature change resistance, and low in cost, and does not crack, and product properties meet relevant standard requirements; a production process is simple and low in energy consumption; compared with other self-leveling mortar products, the phosphorus building gypsum-based water-resisting and self-leveling mortar is higher in market competitiveness and high in practicability.

The invention discloses an urban road water permeability cement concrete pavement structure and a construction process thereof. The pavement structure comprises an asphalt stable water draining base layer paved on a roadbed and a road surface layer paved on the asphalt stable water draining base layer, wherein the road surface layer is a first road surface layer or a second road surface layer composed of a lower surface layer and an upper surface layer paved on the lower surface layer, a plurality of water permeability pile bodies are arranged in the roadbed, the water permeability pile bodies are polyvinyl chloride (PVC) tubular pile bodies, lower portion pile bodies of the PVC tubular pile bodies are sleeved in first PVC tubes provided with water permeable holes, and upper portion pile bodies are sleeved in second PVC tubes. The construction process comprises the steps of pressing the roadbed; drilling pile holes; constructing water permeable pile bodies; constructing the asphalt stable water draining base layer; and constructing the road surface layer. The structure is reasonable in design, convenient to construct, good in using effect and capable of having capacity of absorbing heat and enabling rain to seep and effectively resolving the actual problems in ordinary cement concrete road surfaces.

The invention discloses a cement concrete pavement structure provided with continuous steel bars. The pavement structure comprises a base layer. Roller compacted concrete is adopted in the base layer. A broken stone hardcore is laid below the base layer. Cement concrete surface layers are laid on the base layer. The cement concrete surface layers include the upper surface layer and the lower surface layer. Rubber cement concrete is adopted in the upper surface layer. A transverse induction kerf is arranged on the edge of the upper surface layer on the left side of the driving direction. The continuous transverse steel bars, the continuous longitudinal steel bars and a slidable support are arranged at the portion, within the range of a carriageway and one half of the width (L) of a hardened verge, of the lower surface layer. Plain concrete is formed at the portion, within the other half of the width (L) of the hardened verge, of the lower surface layer. A longitudinal joint is arranged at the portion one half of the width of the hardened verge. A bituminous concrete anti-scouring layer is arranged between the base layer and the surface layers. The pavement structure can solve the problems of existing cement concrete pavements and continuous reinforced concrete pavement structures and can be widely applied to high-grade highways, tunnel pavements and the like on the heavy-duty traffic condition.

The invention relates to pavement maintained by adopting cold regeneration technology, which comprises the following innovation that: the pavement from a milled basement to the surface is provided with a foamed asphalt cold regeneration layer, a modified asphalt hot mixed macadam stress absorbing layer and a single-layer modified asphalt concrete overlay in turn. Diseases caused by a semi-rigid base are prevented by changing a pavement structure, and the service life of a road is prolonged. The invention also relates to a construction process for the pavement maintained by adopting the cold regeneration technology, which mainly comprises the following steps: milling on-site pavement, adjusting gradation, preparing a foamed asphalt cold regeneration mixture, paving on-site, rolling, distributing the stress absorbing layer, and paving the single-layer modified asphalt concrete overlay. The pavement and the method adopt the foamed asphalt cold regeneration technology, thereby realizing recycling an asphalt surface course recycling material and a cement stabilized base recycling material, solving the pollution problem caused by a great amount of discarded pavement materials, saving resources, reducing economic investment, and having good economic benefit, social benefit, environmental benefit and promotion and application value.

The invention relates to indoor decoration and an indoor decoration construction technology, in particular to a construction method of an indoor sound insulation construction structure. The construction method is characterized by including the following steps of (S1) ceiling sound insulation construction, (S2) wall sound insulation construction, (S3) ground sound insulation construction, (S4) door pocket and sash sound insulation construction and (S5) wall switch and socket sound insulation construction, wherein the (S1) ceiling sound insulation construction further includes the following steps of snapping lines, fixing hangers, installing a main keel, installing sub keels, installing wall sound insulation rubber strips, installing sound insulation cotton, installing a cover panel and filling sealant into seams; the (S3) ground sound insulation construction further includes the steps of processing a base course, finding an elevation, laying a vibration isolator, laying reinforcing meshes, laying a concrete layer, leveling and conducting maintenance. By the adoption of the indoor sound insulation construction structure and the construction method of the indoor sound insulation construction structure, the sound insulation effect is good, and the decoration is attractive.

The invention relates to high modulus cold-mixed asphalt as well as a preparation method and a mixture thereof. The asphalt composition comprises the following components in parts by weight: 58-60 parts of petroleum asphalt, 1.5-3.0 parts of a polymer, 1.5-2.5 parts of a compatilizer, 1.0-2.5 parts of an emulgator and 0.3-1.2 parts of an interface repairing agent. The emulgator is in a twin structure with a polar group and a nonpolar group. According to the technology provided by the invention, the modulus of the emulsified asphalt cold-mixed mixture and the cold-recycling mixture is improved, and the mixture can be used as a material of a base layer, a lower surface layer and a middle surface layer of a newly constructed road and a reorganized and expanded road or used for structural repair of high-grade highways, thereby finding a convenient, energy-saving and environment-friendly solution capable adopting 100% reclaimed materials for structural repair of high-grade highways. With the adoption of the scheme of quick setting, the construction time is shortened and the cost is saved.

This invention is built-up plate heat preservation and insulation concrete building and its construction method. The heat preservation and insulation layer is also used as wall framework, concrete wall body base course is placed in wall framework, wall framework is consisted by two pieces of parallel set polystyrene foam plastic side plate, inner fixed billet is set in the plate, steel bar junction piece and welded mesh is set between the billet. PVC baffles are pasted on four walls of door and window mouth depth part, glass fiber grid layer is pasted on PVC baffles, inner and outer surface of wall heat protection plate is enclosed by glass fiber grid layer. Expanded metal is fixed on the layer, and it enclosures the outer surface of the heat protection plate, cement mortar is filled in mesh of the expanded metal, the thickness of the mortar is same to the expanded metal, concrete drowned orifice is opened on down table that at door and window mouth. The bottom layer of polystyrene heat protecting floor slab is floor slab plate that made of flute type polystyrene foam plastic pre-buried steel, rib joist steel is set in the flute, and it is placed with top layer as one body.

The invention relates to a construction method for pre-paving and inverted bonding of a composite macromolecule waterproof roll on a piled raft foundation. The construction method comprises the first step of cushion layer construction, the second step of base layer cleaning and paying-off positioning, the third step of deformation joint and female and male corner fine part treatment, the fourth step of large-area waterproof roll paving and attaching, the fifth step of protection film removing, the sixth step of waterproof protection layer construction and the seventh step of reinforced concrete construction. The construction method for pre-paving and inverted bonding of the composite macromolecule waterproof roll on the piled raft foundation has the beneficial effects that according to the composite macromolecule waterproof roll pre-paving and inverted bonding construction technology, a non-bonding face is emptily laid on a foundation cushion layer, a bonding face is upwards combined with a cast-in-place concrete face into a whole, and water moving hidden danger is avoided in the middle; even part of the roll is damaged, water is limited in a very small range due to the reliable bonding performance between the waterproof roll and a bottom plate, and the reliability of a waterproof layer is greatly improved.

The invention relates to a rubber composite waterproofing membrane and a producing method, which is compositely composed of a base course and a surface course in staggered superposition, the base course is a rubber waterproof layer, the surface course is chemical fiber non-woven fabric or chemical fiber woven fabric, the main materials of the rubber of the base course are ethylene propylene diene monomer rubber, calculated according to parts by weight, 100 parts of ethylene propylene diene monomer rubber are regarded as the reference, the content of other components is as follows: 5 to 10 parts of zinc oxide, 1 to 3 parts of stearic acid, 0.5 to 3 parts of polyethylene glycol, 1 to 4 parts of paraffin, 40 to 80 parts of fast extruding carbon black, 10 to 50 parts of calcium carbonate, 40 to 80 parts of plasticizer, 0.5 to 1.5 parts of accelerator BZ, 0.5 to 3 parts of accelerator CZ, 0.5 to 1.5 parts of accelerator TMTD and 1 to 3 parts of sulfur. The membrane provided by the invention has the advantages of the good performance, the good aging resistance, the long life span, protecting environment, no pollution, the simple processes and the high producing efficiency.