53results about How to "Labor-saving construction" patented technology

The invention discloses a method for planting vegetation on the karst area slope, comprising: laying and fixing a wave shape plant-growing net with meshes on the slope surface, wherein the wave shape plant-growing net can be formed by connecting a surface layer net and a wave shape net and also can be formed by connecting the surface layer net, the wave shape net and the bottom layer net; spraying the artificial soil for the shrub slope protection in the karst area on the wave shape plant-growing net by a mechanical or an artificial operation method, and spraying the plant growth substrate mixed with the plant seeds on the top of the artificial soil by a sprayer. The invention lays the wave shape plant-growing net with the meshes on the shrub slope protection in the karst area, therefore, the sprayed artificial soil and seeds during laying the planting substrate can absorb in the wave shape plant-growing net with the meshes. The invention provides an adhesion platform for the artificial soil and seeds to ensure the root system expansion during plant growth, promotes the construction speed and saves the construction cost.

The invention belongs to the technical field of construction material, and particularly relates to a mortar additive, wherein the mortar additive comprises the following components in parts by weight: 1-12 parts of cellulose ether, 20-80 parts of polymer latex powder, 20-70 parts of thixotropic agent and 0.1-0.7 part of air entraining agent. The production process of the mortar additive solves the problems that the mixed mortar has low quality; the mixed mortar has poor workability, is dry and difficult to scrape; the bonding strength is low, the phenomena of hollowing and dropping are easy to appear; the shrinkage is big, the surface is easy to crack and the like. The mortar mixed with the mortar additive provided by the invention has the advantage of high combination property, such as construction property, water retention, compressive strength, bonding strength, cracking resistance and the like.

The invention discloses a water-based heavy-duty single-component on-rust primer, and a preparation method and application thereof. The water-based heavy-duty single-component on-rust primer is composed of deionized water, a main conversion agent, an auxiliary conversion agent, a penetrant, a film forming assistant, an antifreezing agent, a preservative, a thickener, a filler, a defoaming agent, a dispersing agent, a pH regulator, a film forming material and a substrate wetting agent. The temperature of the used substrate can not be too high, the humidity can not be greater than 85%, the one-time spray coating can not be too thick, and the position for electric welding is reserved. The product is stored at 5-40 DEG C in a ventilating cool dry place, and the construction temperature is preferably 10-40 DEG C. The primer can be applied by brush coating, roller coating, air spraying or airless spraying, the particular mode can be selected according to the on-site construction environment and climate conditions, and brush coating and airless spraying are suggested if conditions permit.

The invention discloses a sprayed quick-setting liquid rubber waterproof coating. The coating comprises a component A, a component B and a component C, the component A is a waterproof material host solution, the component B is a catalyst and de-emulsifier solution, and the component C is a reinforcing fiber solution. A preparation method of the waterproof coating comprises the following steps: respectively preparing the component A, the component B and the component C, jetting the above three components through independent feeding and discharging systems to realize contact, mixing and reaction of the atomized component A, component B and component C, quickly molding after falling to the ground, precipitating to obtain reaction water, and bonding the above obtained A and B mixture to the component C reinforcing fiber through a special roll in order to form an overall seamless fiber reinforced membrane. The coating has the advantages of quick film forming 4s after spraying, excellent adhesiveness, high elastic self-healing, high elongation of above 600%, strong abnormal adhesion, strength reaching above 0.7MPa, strong corrosion resistance and high and low temperature resistance.

The invention provides a preparation method of a viscosity-reducing polycarboxylate superplasticizer and an application thereof. The viscosity-reducing polycarboxylate superplasticizer can remarkably reduce the viscosity of concrete on the premise of guaranteeing high water reduction and high slump loss resistance; and the preparation method has the advantages of simple technology, low cost, little pollution and the like. In the preparation method, a specific unsaturated acid monomer, a specific unsaturated polyether macromonomer and N-(4-vinyl benzyl)-N, N-dialkylamine in a molar ratio of (2.5-6.5):1:(0.05-0.2) are subjected to free radical copolymerization reaction to obtain the viscosity-reducing polycarboxylate superplasticizer.

The invention discloses an environmentally friendly efficient silt remover and a construction method thereof. The environmentally friendly efficient silt remover comprises a silt transportation device, wherein the silt transportation device comprises a traveling trolley body; the traveling trolley body is provided with a box; a silt shoveling mechanism is arranged at the front end of the box; two spiral conveyors are arranged between the silt shoveling mechanism and the traveling trolley body; silt is fed into a sorting mechanism in the box so as to sort the silt and sundries, qualified silt which is sorted by the sorting mechanism is discharged via a collecting tube and a discharging tube, and the large sundries are discharged by an outlet of a sorting barrel. In a silt removing process, the environmentally friendly efficient silt remover has the characteristics of convenience in operation, convenient in cleaning, efficient construction and labor saving. Meanwhile, silt is sorted directly by the sorting mechanism, secondary environment pollution is avoided, and the environmentally friendly efficient silt remover is environmentally friendly.

The invention relates to a wall-like brick high-molecular hard wall decorative material, comprising a base material, a printing mask and a polyester coating layer, wherein the base material and the printing mask are laminated together by hot pressing, and the polyester coating layer is coated as a net on the surface of the printing mask. A preparation method of the wall-like brick high-molecular hard wall decorative material comprises the following steps: 1, preparing the base material; 2, preparing the printing mask; 3, printing a mask; 4, performing hot-pressing lamination; 5, performing net coating of polyester; 6, curing; and 7, performing mould pressing cutting. The wall-like brick high-molecular hard wall decorative material provided by the invention has the advantages of avoiding mildew, having fire resistance, and being high in strength, hardness, degree of finish, brightness, and simulation view; and the preparation method has the advantages of being low in production cost, high in quality of products, and high in assembly line output.

The invention belongs to a rib-line-shaped prestressed concrete pipe pile. The rib-line-shaped prestressed concrete pipe pile is composed of a pile body, wherein protruding rib lines or protruding movable outer expanding wings are arranged on the peripheral wall of the pile body. The rib lines are rectangular strip-shaped bodies which are spirally distributed at intervals. The rib lines are equal-height rib bodies which are arranged at intervals. The rib lines are crescent rib bodies which are arranged at intervals, and the crescent rib bodies are obliquely arranged and are arranged independent of one another. Prestressed reinforcement formworks are arranged in the pile body at intervals, and the pile body is round or square. The friction coefficient of the concrete pipe pile and a foundation soil layer can be substantially increased, and the pipe pile has the advantages that the pipe pile is high in bearing and supporting force and free of sedimentation, labor and effort are saved in the construction process, and the service life of a building is long.

The invention relates to a water-based heavy-duty single-component primer, which is prepared from the following components in parts by mass: 18 to 33, preferably 20 to 30, parts of de-ionized water, 1.5 to 10, preferably 2 to 8, parts of a coalescing agent, 6 to 12, preferably 8 to 10, parts of an anti-rust pigment, 3.5 to 17, preferably 5 to 15, parts of filler, 0.3 to 1.2, preferably 0.5 to 1.0, part of a dispersant, 0.08 to 0.4, preferably 0.1 to 0.3, part of a pH regulator, 38 to 75, preferably 40 to 70, parts of a film former, 7 to 11, preferably 8 to 10, parts of a complexing agent and 0.1 to 0.3, preferably 0.2, part of a penetrant. The invention also provides a preparation method and application of the water-based heavy-duty single-component primer.

The invention discloses a derusting antirust colored heavy-duty single-component primer and a production technique thereof. The primer comprises the following components in parts by weight: 5-20 parts of deionized water, 20-25 parts of derusting rust inhibitor, 2-8 parts of film formation assistant, 2-4 parts of antifreezing agent, 0.1-0.2 part of thickener, 3-10 parts of color paste, 0.3-1 part of defoaming agent, 40-70 parts of film forming matter, 3-5 parts of adhesion modifier and 0.3-0.6 part of substrate wetting agent. The production technique comprises the following steps: mixing the components, and stirring and dispersing in a stainless steel reaction kettle; and after all the indexes are qualified through detection and the stirring is finished, filtering through a 100-mesh filter screen, and packaging. The 1318 or KX-123 product is used as the derusting rust inhibitor, the H602 emulsion is used as the film former, and the film formation assistant, substrate wetting agent, imported color paste and other pollution-free assistants are added to prepare the water-based environment-friendly derusting antirust colored single-component primer. The primer has the advantages of accessible raw materials, derusting labor saving, high antirust property, high safety, environment friendliness and high corrosion resistance.

The invention discloses a frame spinning plug-in type integrated inner partition wall plate. The plate is composed of a steel frame, an inner insulation layer, a base layer plate, a surface layer plate, a decorative plate and a frame decoration strip. The steel frame comprises an upper crosspiece, a lower crosspiece, a vertical brace, a horizontal brace tube, a spinning screw pin, a fixing pin, a guide sleeve and a movable pin. The upper crosspiece and the lower crosspiece are vertically connected with the vertical brace. The upper crosspiece is provided with a flanged hole. The vertical brace is provided with a through hole. The horizontal brace tube is fixedly connected with the vertical brace after penetrating through the through hole of the vertical brace. The guide sleeve is vertically connected with the lower crosspiece after penetrating through a through hole of the lower crosspiece. The fixing pin and the through hole of the vertical brace are fixed vertically. The spinning screw pin comprises a screw rod. The screw rod is sleeved with a fixed nut and a movable nut. The fixed nut and the middle of the screw rod are fixedly connected. The frame spinning plug-in type integrated inner partition wall plate has the advantages of being light, thin, high in expressive force, stain-resistant and self-cleaning, A-level fireproofing, anti-knock and anti-cracking, anti-freeze-thaw, acid and alkali resistant, recyclable in using, and low in construction cost.

The invention discloses a drill bit for constructing a cast-in-situ bored pile and a hole forming method. The drill bit is provided with a detachable mud scrapping assembly, the mud scrapping assembly comprises mud scrapping plates (8) and installing plates (9), the installing plates (9) are welded to the inner circumferential face of a check ring (3), a steel brush (14) is arranged at the outer side of each mud scrapping part (8.2), the mud scrapping plates (8) are hooked and hung on the check ring (3) through clamping grooves (10), and an installing part (8.1) of each mud scrapping plate (8) is located between two corresponding installing plates (9) in the same set and fixed to the corresponding installing plates (9) at the two sides through threaded connection. The hole forming method is characterized in that in the drilling process, the mud scrapping plates (8) are installed on the check ring (3) to drill a big hole matched with a pile casing in size, and then the mud scrapping plates (8) are dismantled to drill a small hole, wherein the size of the small hole is matched with the design size of the cast-in-situ bored pile. By means of the drill bit and the hole forming method, sandy soil between the pile casing and the pile hole can be effectively drilled away without substantially increasing time and economic cost.

The invention discloses a drill bit for constructing bored piles and a construction method using the drill bit. The drill bit is provided with a mud scraping assembly and a detachable rib protecting block. The mud scraping assembly comprises a mud scraping plate (8) and installing plates (9), and the installing plates (9) are welded to the circumferential face of the inner circle of a block ring (3). A steel brush (17) is arranged on the outer side of the mud scraping plate (8). The mud scraping plate (8) is hung on the block ring (3) through a first clamping groove (10). An installing part (8.1) of the mud scraping plate (8) is located between the two installing plates (9) of the same set, and the installing part (8.1) of the mud scraping plate (8) and the installing plates (9) on the two sides are fixed in a threaded connection mode. The method is characterized in that in the drilling process, the mud scraping plate (8) is firstly installed on the block ring (3) so that a large hole with the size matched with that of a pile casing can be drilled, then the mud scraping plate (8) is taken down, and the rib protective block is installed so that a small hole with the size matched with the designed size of the bored piles can be drilled. By means of the drill bit and the construction method, sand soil between the pile casing and the pile holes can be effectively removed in a drilling mode.

The invention discloses a production process for a prefabricated steel bar component, and raw materials comprise cement, lime, sand and steel bars. The advantages of the production process are: the whole construction step is simple, and the production process has the advantages of environmental protection, no pollution, and quick and labor-saving construction; after artificially controlling the curing time, the performance of the prefabricated steel bar component plates is more easily controlled; the prefabricated steel bar component plates have the advantages of high surface smoothness, highhardness, high impact strength, etc.; the prefabricated steel bar component plates are closely combined with each other to reduce the gap between each other, and the heat insulation effect is improved; and honeycomb, exposed ribs, pitted surfaces and holes in the prefabricated steel bar component plates are avoided in the whole construction process.

The invention relates to a type of water-based antirust and antifouling paint used on a wall surface. The paint contains the following components in parts by weight: 20-60 parts of film forming substance, 1-10 parts of film-forming additive, 0.5-2 parts of copolymer of unsaturated monomer which contains fluoro aliphatic groups and unsaturated silane monomer, 0-5 parts of cosolvent, 0.1-1 part of corrosion inhibitor and appropriate amount of water. The invention further designs a preparation method of the paint. The water-based paint used for preventing rust and dirt on the wall surface is environment-friendly and economic; the water-based paint and common wall surface emulsion paints have the same the construction ways. The paint disclosed by the invention can prevent rust on the wall surface, has the capability of resisting stains and can reach better beautifying and decoration effects. The paint is an excellent paint which is used on the wall surface and is antirust, antifouling, environment-friendly and economic.

A vertical-type well cover cyclone milling machine is composed of a cyclone milling outer frame, a cyclone milling inner frame, a rotating motor, a milling cutter head part, a lifting system, travelling systems, a control system, a handrail and a generator set. The cyclone milling outer frame and the cyclone milling inner frame are each of a rectangular frame structure, and the travelling systemsare mounted at the bottom of the cyclone milling outer frame. A platform of the generator set and the handrail are mounted on the right side of the cyclone milling outer frame. The lifting system is composed of a lifting motor, a left sliding way and a right sliding way. The milling cutter head part is connected with the rotating motor and comprises a cutting support, a connecting part and millingcutters. The control system adopts a PLC. Milling and drilling of a circular well cover hole are achieved, the trouble of multiple-time crossed destructive cutting of a common joint cutter is eliminated, the efficiency of the vertical-type well cover cyclone milling machine is higher than that of the common joint cutter, the time, labor and materials are saved during construction, and the constructed road surface is attractive, firm, durable and high in bearing capacity, and leakage and collapse are avoided.

The invention relates to a large motor and particularly relates to an adjustment tool for the large motor. The adjustment tool for a large-motor rotor and stator includes a main ruler and an auxiliary rule. The main rule is hollow inside and the upper edge of the outer surface of the main ruler is provided with a scale and the side face of the main ruler is provided with an opening groove. Two walls at the inner side of the main ruler are both provided with oblique planes which oblique from inside to outside and from top to bottom. The auxiliary ruler is inserted into the main ruler and the side of the head end of the auxiliary ruler is provided with oblique planes corresponding to the oblique planes in the main ruler. A slide shaft is arranged at the starting point positions of the oblique planes of the auxiliary ruler. The tail end of the auxiliary ruler is provided with a slide block which is inserted into the opening groove in the surface of the main ruler. The adjustment tool is capable of reducing effectively construction personnel, improving device installation efficiency and improving effectively installation precision.

The utility model discloses a lifting mechanism capable of automatically adjusting a counter weight, and belongs to the field of construction equipment. According to the lifting mechanism, a suspension arm is hinged to a rotary supporting platform, and vertical swing of the suspension arm is achieved through an amplitude modulation oil cylinder; the balance arm is formed by hinging one end of a first arm section and one end of a second arm section, the other end of the first arm section is hinged to the rotary supporting platform, and a weight used as a balance weight is fixed to the other end of the second arm section. The two ends of the push-pull oil cylinder are hinged to the first arm section and the rotary supporting platform respectively, and the pitch angle of the first arm section is changed through stretching and retracting of the push-pull oil cylinder. The two ends of the balance arm jacking oil cylinder are hinged to the first arm section and the second arm section respectively, and the opening angle between the first arm section and the second arm section is changed through stretching and retracting of the balance arm jacking oil cylinder. According to the lifting mechanism, the balance moment can be dynamically adjusted through matching of different oil cylinders, so that the balance bending moment of the lifting mechanism is dynamically adjusted, and the lifting weight of the lifting mechanism is increased.

The invention discloses a constructional engineering construction formwork device, and relates to the field of building structures. The constructional engineering construction formwork device comprises a heavy formwork and a light formwork which are provided with lock catches; the heavy formwork is provided with a threaded pipe; the threaded pipe is internally provided with a threaded rod; the threaded rod is provided with a support plate; the heavy formwork is provided with two support frames; and the support frames are provided with rollers. The constructional engineering construction formwork device is very convenient to assemble and disassemble, labor is saved during construction, the use stability is good, and the building construction efficiency is improved.

The invention discloses a spraying quick-setting liquid rubber waterproof coating, which includes three components, A, B and C. The A component is a main agent solution of a waterproof material, and the B component is a catalyst and a demulsifier solution. The C component mentioned is a reinforcing fiber solution. The manufacturing method of the waterproof coating includes: the preparation of the A component, the B component and the C component respectively, and then the three components are sprayed out through independent feeding and discharging systems, and the atomized two components A and B are sprayed out. The C components meet, mix and react in the air. After landing, they are rapidly formed, and the reaction water is precipitated. After special rolling, the AB mixture and the C component reinforcing fibers are bonded together to form an integral seamless fiber-reinforced membrane. The obvious advantages of the invention are: fast film formation, spraying for 4 seconds; excellent adhesion; high elastic self-healing; high elongation, elongation above 600%; ; And strong corrosion resistance and high and low temperature resistance.

The invention relates to a combined steel bar truss floor support plate which comprises a steel bar truss and a floor support plate, the steel bar truss comprises an upper chord rib, a lower chord rib and a web member rib, a limiting assembly is arranged on the floor support plate, the limiting assembly comprises a plurality of limiting blocks, a driving rod and a pushing block, the limiting blocks are arranged on the floor support plate, and the lower chord rib is located below the limiting blocks. A connecting block is connected to the limiting block and penetrates through the floor bearing plate, the driving rod is rotationally connected to the bottom wall of the floor bearing plate, a threaded part is arranged at the position, corresponding to the connecting block, of the driving rod, a limiting rail is connected to the position, corresponding to the threaded part, of the floor bearing plate, and the pushing block is slidably matched with the limiting rail and is in threaded fit with the threaded part. The thickness of the push block is gradually increased from the end of the push block to the limiting block as a reference direction, a receding groove is formed in the connecting block, and the pressure applying slope abuts against the side edge of the receding groove. The construction method has the effect of improving the construction efficiency of the steel bar truss floor support plate.

The invention discloses a construction method of a protection layer of a foundation pit oblique plane waterproof layer. The method is adopted on the foundation pit waterproof oblique plane with the angle being larger than or equal to 45 degrees, and conventional fine aggregate concrete is replaced by galvanized iron sheets to serve as the protection layer of the waterproof layer. The method specifically comprises the first step of preparing materials for the protection layer, wherein a metal skin with good extensibility is customized according to the area of the constructed foundation pit waterproof oblique plane to serve as the protection layer; the second step of pasting the protection layer on the waterproof layer oblique plane, wherein one face of the protection layer is coated with a binding agent and the oblique plane waterproof layer is externally paved with the protection layer; the third step of clipping and edge repairing, wherein clipping is carried out according to the actual situation on the spot, and a little galvanized sheet iron is used for repairing the edges at the junction of a thin part. The metal skin with good extensibility serves as the protection layer and is galvanized sheets with the thickness ranging from 0.35 mm to 0.5 mm, the binding agent coated on the back face of the protection layer is 502 glue, and the metal skin serving as the protection layer can be formed by splicing the galvanized sheets and binding the galvanized sheets through a seal adhesive belt with the width ranging from 50 mm to 70 mm. The construction method is convenient to apply, time and labor are saved, and the protection effect for the waterproof layer is good.

The invention relates to a cavern-shaped molding board for a salt treatment house roof, which comprises a wire-mesh framework, a projection, polyurethane expanded polystyrene or mortar, bond and salt powder, wherein the wire-mesh framework is provided with the projection, the projection is provided with a layer of polyurethane expanded polystyrene or mortar, and a layer of bond and salt powder is sequentially arranged above the polyurethane expanded polystyrene or mortar. The wire-mesh framework is of a square shape, a rectangular shape, a circular shape, an ellipsoid shape or a triangular shape. The projection adopts the wire-mesh material or the molded glass fiber reinforced fabric. The projection is formed by a plurality of centrum with different sizes or raised bodies with different sizes. The materials adopted by the molding board are toxic free and harmless. The wire-mesh framework, the polyurethane expanded polystyrene and the sand are of light materials. The molding board is very safe to install on the roof, is convenient to construct, and saves time and labor. A plurality of molding boards can be joined to form the roof so as to authentically reflect the cavern effect, so people can have a rest in silence just like entering the natural cavern, and can breath freely so as to realize the best treatment effect.

The invention discloses a thin type floor heating system mounting structure, and relates to the technical field of floor heating system mounting structures. The thin type floor heating system mounting structure comprises a floor decoration layer which is manufactured through a thin ceramic board, a heat dissipating plate which is connected through a special adhering agent for heating, and a heat preserving layer. With the adoption of the thin type floor heating system mounting structure, more than 50% of thickness of the constructed surface can be saved, and the good effect of 'decreasing three and adding one' is achieved; decreasing three is namely decreasing the energy consumption of a floor heating system, reducing the loss of housing story, and reducing the overall construction period; and adding one is adding the temperature increasing temperature of the floor heating system.

The invention discloses a rubber hammer for power construction. The rubber hammer comprises a fixed ring, a rubber hammer body and a rod. A lifting structure is movably connected in the rod, and the bottom end of the lifting structure is movably connected with a mounting groove. The fixed ring is arranged at the top end of the mounting groove, and the rubber hammer body is connected in the fixed ring in a clamped manner. Shock absorption structures are arranged in the rubber hammer body and each comprise a cavity, connecting blocks, a first buffer spring and a second buffer spring. The shock absorption structures are arranged in the rubber hammer body, and during use, when the rubber hammer body is in contact with a contact object to apply force, the inner shock absorption structures can bear force to achieve buffering; and the cavities are arranged in the rubber hammer body, the first buffer springs and the second buffer springs are arranged in the cavities, the interiors of the cavities are supported and filled, when the rubber hammer body bears force, the inner buffer springs bear force to achieve internal digestion, the vibration feeling of the hands is reduced, and the rubberhammer is more comfortable to use and better in shock absorption and buffer effect.

The utility model relates to the technical field of building construction, in particular to a slurry balance pipe jacking construction structure, which effectively solves the problems that the stroke of a hydraulic jack is not enough and the jacking construction of a concrete pipe cannot be smoothly carried out in the slurry balance pipe jacking construction by arranging an arc-shaped jacking iron between the jack and a grading ring. The arc-shaped jacking iron comprises two major arc-shaped plates which are coaxially arranged at intervals in the length direction of the guide rail, openings of the two major arc-shaped plates face downwards, and the two major arc-shaped plates are connected through a supporting framework; due to the fact that the opening of the arc-shaped jacking iron is downward, when the arc-shaped jacking iron is hoisted between the jack and the grading ring, the positions of the cable and the slurry pipe do not need to be adjusted, the situation that the cable of the slurry pipe is repeatedly dismantled is avoided, and construction operation time is saved. And rolling wheels are connected to the lower portions of the two sides of the openings of the two major arc-shaped plates in a rolling mode, so that friction between the arc-shaped jacking iron and the guide rail can be reduced, and pipe jacking construction is more labor-saving.

The invention provides a convenient foundation pit supporting frame and a supporting method thereof. The convenient foundation pit supporting frame comprises a supporting frame body and an embedded part, wherein the supporting frame body is of an integral structure with the I-shaped cross section and comprises a left side plate, a web and a right side plate; the left side plate and the right sideplate are respectively and fixedly arranged at the two sides of the web; a plurality of side plate connecting parts are uniformly distributed on the inner walls of the left side plate and the right side plate; a plurality of web connecting parts are uniformly distributed on the web; the web connecting parts and the side plate connecting parts are identical in height; the embedded part is of a triangular prism structure with a right angled triangle cross section; and fixed parts connected to the web connecting parts and the side plate connecting parts are arranged on the three right angle surfaces of the embedded part. The convenient foundation pit supporting frame and the supporting method thereof have the beneficial effects that the convenient foundation pit supporting frame is simple instructure, can be prefabricated in advance, is convenient to produce and transport, causes the site construction to be time-saving and labor-saving, facilitates the construction of workers, meanwhilefacilitates the fallow-up disassembly work and greatly improves construction efficiency.

The invention provides a ground structure applied to a soft soil foundation and a construction method of the ground structure. The ground structure comprises a lower supporting rib, an intersection rib and a ground layer, wherein the lower supporting rib and the intersection rib are casted in the soft soil foundation, the ground layer is casted on the surface of the soft soil foundation, and the lower supporting rib, the intersection rib and the ground layer are of a plain concrete structure or reinforced concrete structure integrally casted and molded; and the construction method comprises the steps that the ground of the soft soil foundation is leveled, and a net-shaped groove is formed in the leveled ground; concrete is casted in the net-shaped groove and the ground; or reinforcing steel bars are arranged in the net-shaped groove and on the ground, and then, concrete is casted, so that the ground structure with the lower supporting rib, the intersection rib and the ground layer is formed; and the ground structure has the large bearing force, time and labor are saved in the construction process, the construction cost is low, and the civilized and environment-friendly construction requirement is met.

The application discloses a kind of metalized carbon fiber heating wiring device, and application and wiring method, wiring device includes mounting disc and wire structure;Wire structure includes sleeve, support ring, two movable rings and two fixed rings;Support ring is sleeved in the middle of sleeve, two movable rings are symmetrically provided on the sleeve on the two sides of support ring, wire harness groove is respectively formed in the opposite side of the outer circumferential surface of two movable rings, two fixed rings are respectively sleeved in the two ends of sleeve, and elastic member is respectively arranged between two fixed rings and two movable rings, and the wire harness groove of two movable rings is adaptively clamped and guides the metalized carbon fiber wire harness passing through.The application has the advantages that the metalized carbon fiber wire harness can be adaptively clamped and guided, sliding friction is converted into rolling friction, wiring resistance is reduced, the insulation layer of metalized carbon fiber wire harness is protected, and the metalized carbon fiber wire harness after wiring is stable.

The invention discloses a drill bit for constructing a cast-in-situ bored pile and a hole forming method. The drill bit is provided with a detachable mud scrapping assembly, the mud scrapping assembly comprises mud scrapping plates (8) and installing plates (9), the installing plates (9) are welded to the inner circumferential face of a check ring (3), a steel brush (14) is arranged at the outer side of each mud scrapping part (8.2), the mud scrapping plates (8) are hooked and hung on the check ring (3) through clamping grooves (10), and an installing part (8.1) of each mud scrapping plate (8) is located between two corresponding installing plates (9) in the same set and fixed to the corresponding installing plates (9) at the two sides through threaded connection. The hole forming method is characterized in that in the drilling process, the mud scrapping plates (8) are installed on the check ring (3) to drill a big hole matched with a pile casing in size, and then the mud scrapping plates (8) are dismantled to drill a small hole, wherein the size of the small hole is matched with the design size of the cast-in-situ bored pile. By means of the drill bit and the hole forming method, sandy soil between the pile casing and the pile hole can be effectively drilled away without substantially increasing time and economic cost.