100results about How to "Reduce construction links" patented technology

The invention discloses a connecting node of an assembled whole thick prefabricated slab. Connecting steel bars are reserved on the connecting surface of a prefabricated slab unit in the mode, the exposed parts of the connecting steel bars are ' '-shaped, and the exposed parts and the connecting surface form a closed polygon. In the connecting mode for the prefabricated slab unit and a beam or a wall, the connecting steel bars of the prefabricated slab unit are inserted with steel bars configured for the beam or the wall together at the connecting positions in a penetrating mode. Viewing from the cross section of the whole connecting node, the connecting steel bars and the steel bars configured for the beam or the wall form a single closed stirrup or a composite stirrup, and longitudinal bolt steel bars penetrate into the inner corner position of the single closed stirrup or the composite stirrup. The connecting node of the whole thick prefabricated slab unit can achieve the equivalent performance as a prefabricated slab connecting nodes and a cast-in-place concrete structure while achieving higher prefabrication rate and assembly rate. The invention further provides the whole thick prefabricated slab unit for achieving the connecting mode.

The present invention relates to an aqueous antirust paint with rust. The aqueous antirust paint is characterized by comprising the following raw materials, by weight: 100-120 parts of an acrylic acid emulsion, 8-11 parts of an alcoholic acid resin, 6-8 parts of 1H-benzotriazole, 7-10 parts of basic calcium molybdate zinc, 5-8 parts of propanediol butyl ether, 0.1-0.3 part of zinc phosphate, 0.5-1 part of citric acid, 0.1-0.3 part of iron oxide red, 0.5-5 parts of silicon micro-powder, 0.1-0.2 part of hydroxypropyl cellulose, 0.1-0.3 part of dibutyltin dilaurate, 0.1-1 part of a dispersing agent, 0.1-0.5 part of an antifoaming agent, and 4-10 parts of deionized water. The product has characteristics of the conversion type coating material with rust and the stability type coating material with rust, and can be directly sprayed or brushed without a surface treatment during use so as to reduce construction steps and save cost. In addition, the product adopts water as a solvent so as to overcome pollution of the solvent type coating material on the environment.

The invention relates to a high-mountain narrow-valley arch dam foundation segmented and staged grouting method, and belongs to a foundation treatment method of a rock surface of a high steep bank slope foundation of a high-mountain narrow-valley arch dam foundation. The high-mountain narrow-valley arch dam foundation segmented and staged grouting method comprises the following steps: carrying out consolidation grouting and drilling after acceptance of excavation of the arch dam foundation; carrying out first-stage consolidation on the inside of a consolidation grouting hole; drilling a residual contact segment by the distance of 1 m with a phi 75 mm drilling sleeve after first-stage consolidation grouting is finished; burying a grouting system; pouring dam body concrete after first-stage consolidation grouting is finished; after joint grouting of a dam body is finished or while joint grouting of the dam body is carried out, carrying out second-stage consolidation on a consolidation grouting contact segment of the dam foundation. Consolidation of a bed rock contact segment and contact grouting are combined together, meanwhile, effects of contact segment consolidation and contact grouting are achieved, the work amount of the contact grouting system is reduced, the construction period is shortened, a construction technology is simplified, foundation treatment purposes of a high steep bank slope of the dam foundation of simplicity and convenience in construction, reliable technology, economy and reasonableness of grouting treatment of the high steep bank slope are achieved, and the problems encountered in foundation treatment of a dam segment of a bank slope are solved.

The invention relates to a concrete panel void repairing method. The purpose is to improve the efficiency of concrete anti-leakage panel void repairing and enhance the safety and reliability of engineering operation. According to the technical scheme, the method includes the steps that a, void region detection is performed, LTD ground penetrating radar is adopted for detecting a panel void region and determining the panel void region, and void depth information is collected; b, grouting hole positions are arranged inside the panel void region, the distance d1 between grouting holes is equal to 2 m-3 m, the row distance d2 is equal to 2 m-4 m, and quincunx-type arrangement or rectangular arrangement can be performed; c, drilling is performed according to the arrangement of the grouting hole positions; d, grouting starts to be performed upwards step by step from the lower portion of a panel in the grouting process; e, after two hours from grouting, cement mortar is adopted for plugging the grouting holes, the plugging height is larger than the height of the panel by about 3 mm-5 mm, and the surface of the panel is polished to be flat after standing for about 8 hours; f, in hot weather, water should be sprayed to the void repairing region for maintenance.

The invention discloses a grouting-to-stop-water construction method of an underwater rubble bed. The method includes the steps of (1) construction preparation, (2) base slot excavation, (3) points warehouse seam arrangement, (4) geotextile arrangement, (5) construction platform installation and trestle setting up, (6) bed dump-filling, (7) grouting pipe embedding, (8) pore-forming, (9) grout preparation, (10) grouting and (11) layer-by-layer inspection and acceptance. The method has the advantages that a vibratory grouting formation method is adopted for construction, rubble is not required for concrete mixing, water in coarse aggregate gaps can be completely replaced with mortar during underwater construction, a mixer is not needed for mixing aggregate, construction is facilitated, construction progress is quickened beneficially, the pumping technology is improved as compared with that of normal concrete, construction links are decreased, and economic benefit and social benefit are obvious.

The invention discloses a waterproof anti-permeable agent which comprises the following materials by weight ratio: cement:coagulating agent:expanding agent:coal ash:polypropylene fiber=(1:0.004-0.006):(0.07-0.097):(0.01-0.025):(0.0035-0.0055). The invention also discloses waterproof anti-permeable concrete which adopts the waterproof anti-permeable agent. The waterproof anti-permeable concrete comprises the following materials by weight ratio: the waterproof anti-permeable agent:gravels: water=(1:0.8-1.5):(0.2-0.3). The anti-permeable anti-cracking concrete prepared from the waterproof anti-permeable agent can be used as a cushion layer by being directly mixed with fine stones, thereby decreasing the construction link; the anti-permeable anti-cracking concrete disclosed by the invention has large adhesive force with a substrate without being shrunk and desquamated, thereby being very suitable for the plugging of the holes of pipelines, the water proofing of floors and the like in the toilets, kitchens and wash rooms of an office building and a residential building; and the anti-permeable anti-cracking concrete disclosed by the invention has the advantages of low cost, simple construction process and high operability and is nontoxic, non-combustible and nonexplosive.

The invention provides a connecting piece for mounting a building decorative stone panel. The connecting piece comprises a threaded joint in match with a bolt which is pre-buried inside a building wall, and a hanging joint in match with a preset stone panel mounting hole, wherein the hanging joint is arranged at an end part of the threaded joint and is integrally arranged with the threaded joint. The invention further provides a construction method for mounting the stone panel. The construction method comprises the following steps of: firstly, screwing the connecting piece into a bolt or a screw nut which is pre-buried into a wall body in advance, secondly, adjusting to an appropriate position, further hanging the stone panel in which a groove in match with the hanging joint of the connecting piece is formed on the hanging joint, and finally finely turning the depth that the groove enters the hanging joint so as to meet the provided requirement on the flatness among the stone panels. By using the connecting piece provided by the invention, the process of fastening by using superabundant bolts and screw nuts in the stone panel mounting process is eliminated, and moreover the stone panels can be adjusted up and down with convenience in operation.

The invention discloses a double-deck concrete faced rock-fill dam. The double-deck concrete faced rock-fill dam comprises a rock-fill accumulation body, a concrete face, geo-membrane and a super-polymer compound concrete face, the upper side of the rock-fill accumulation body is laterally covered with the super-polymer compound concrete face, the super-polymer compound concrete face is covered with the geo-membrane, and the geo-membrane is covered with the concrete face. The invention also discloses the double-deck concrete faced rock-fill dam construction method. According to the double-deck concrete faced rock-fill dam and the construction method thereof, the filling requirement to the accumulation body of a dam body is relatively lower, and it is avoided that a normal concrete faced rock-fill dam requires a higher degree of filling density and a loaded filter with impermeability in the process of filling; concrete hydration heat is effectively reduced, and construction links are few; the impermeability ability of the dam body is enhanced, and the loaded filter and a transition layer are not needed to be constructed on the back of concrete faces; the geo-membrane is arranged between double-deck concrete faces, and self compact concrete can be effectively protected from flowing into the accumulation body; the double-deck concrete faced rock-fill dam construction method has the advantages of being fast in construction speed, simple in process, suitable to popularize and apply and good in practicability.

The utility model discloses an ecological embankment. The ecological embankment comprises a foundation, an embankment and a protective slope, wherein the foundation and the embankment are made of rock-fill concrete, the protective slope is soil body, and two slopes of the embankment are in the shape of stages. The rock-fill concrete used in the ecological embankment takes the large-particle-size rock-fill as aggregates, thereby reducing cement usages, saving costs, speeding up construction speed, and effectively reducing the hydration heat of concrete. Therefore, the ecological embankment has the advantages of simple manufacturing processes, less construction links, small floor spaces, and enabling to be used under multi-foundation conditions. Because the protective slope is soil body, plants such as grass and low shrubs can be planted on the soil body and the plants are adaptable to the soil body, thereby strengthening the effect of beautification.

The present invention discloses a green paint for wardrobe surface. The paint is compose of the following materials by weight: 41-45 parts of E-44 epoxy resin, 5-8 parts of 200 polyamide resin, 5-7 parts of methyl methacrylate, 50-60 parts of weak acidic water, 4.8-5.2 parts of butanol, 1.2-1.8 parts of a natural pigment, 6-8 parts of calcined clay, 4.5-5.5 parts of a non-leafing aluminum slurry, 2-4 parts of organic soil, 0.3-0.7 part of a thickener, 3.5-5 parts of a complex defoamer, and 0.6-1.5 parts of a curing agent. The present invention not only reduces environmental pollution, improves the coating efficiency, reduces the construction link, and saves construction costs.

The invention discloses a wall material capable of adjusting indoor environmental temperature and humidity and a preparation method of the wall material. The wall material is prepared from components in percentage by weight as follows: 42%-52% of building plaster, 5%-15% of temperature adjustment components, 2%-8% of humidity control components, 32%-42% of water, 0.1%-0.4% of water reducing agents, 0.005%-0.01% of pigments and 0.2%-1.0% of fiber. According to the wall material, the preparation process of a functional wall material is optimized, fluctuation of indoor environmental temperature and humidity is reduced, the durability, the anti-permeability, the anti-cracking performance and the fireproof performance of a wall body are improved, and energy consumption is reduced during construction; with the adoption of the temperature adjustment components and the humidity control components, the wall material has the function of indoor environmental temperature and humidity adjustment, the homogeneity of the wall material is guaranteed, and a product has high strength and seldom contracts; the thermal physical performance of the wall material is excellent, the wall body does not require a thermal-insulation layer, and construction procedures are reduced.

The invention discloses a system for material control and management in the construction process of ultra-high voltage direct current transmission, and belongs to the field of ultra-high voltage transmission line information management. The invention aims to solve a technical problem that confused management, long dispatching time and nonuniform quality control occur easily because a lot of materials, constructors and construction links are required in the construction process of ultra-high voltage direct current transmission lines. The adopted technical scheme is that the system structurally comprises a remote server, a group server, a switch, a client and a construction process management module, the construction process management module is connected with the client through the Internet, the client and the construction process management module are connected with the group server through the switch, and the group server is connected with the remote server through the Internet, wherein the remote server is used for storing various types of data and completing calling of various types of information, and the goup server is used for collecting data of different work division departments and updating the collected data to the remote server.

The invention discloses a manufacturing and building method of a heat preservation block (building plate) for an inorganic self heat preservation wall body. The heat preservation block (building plate) is prepared from materials of heat preservation blocks, heat preservation building plates, heat preservation mortar, adhesive mortar, alkali-resistant mesh cloth and surface mortar, wherein each heat preservation block is a cuboid foamed concrete product, each heat preservation plate is a cuboid platy foamed concrete product with the certain thickness, and each foamed concrete product is prepared from a cement material by virtue of a chemical or physical foaming technology as a scientific formula; the self heat preservation wall body is filled and built by adopting the heat preservation blocks among beams and upright columns with a framed building structure and selecting the heat preservation mortar to carry out staggering seam mashing; the outer wall surface built by the heat preservation blocks is protruded out of the outer side surfaces of the beams and the upright columns by a certain size and has the same thickness with each high heat preservation plate adhered to the outer side surfaces of the beams and the upright columns. The novel energy-saving self heat preservation building structure has the advantages of high-intensity, heat preservation, fire proof, sound insulation, convenience in construction due to integration of anti-seismic external wall heat preservation and main body construction, low cost and high efficiency.

The invention discloses a dust prevention curing process for a temporary construction load. The dust prevention curing process comprises the following steps: step 1, curing construction of the road: A, laying and curing a lower layer road foundation; B, laying and curing an upper layer road foundation; C, sealing the upper layer road foundation and the lower layer road foundation after curing for more than 10 hours to obtain the cured road; and step 2, performing dust prevention curing construction on the cured road: spraying a dust depressor solution onto the surface of the cured road according to the proportion of 1.0-1.5 L/m[2]. According to the dust prevention curing process for the temporary construction load, the road construction period is shortened, the road damage rate is reduced, the road maintenance is facilitated, the maintenance cost is reduced, and regreening and recultivation after the road is abandoned in the later period are facilitated.

The invention relates to a construction process of a bridge swivel bearing system, in particular to a construction process of bridge downward turning method swivel bearing system and mainly solves theproblem that the existing swivel construction quality is not easy to guarantee and the like. The construction process comprises the following steps: cleaning a bearing platform base; binding lower bearing platform reinforcing steel bars, and dragging counter-force seat reinforcing steel bars; mounting a lower bearing platform template and a traction counterforce seat template; pouring lower bearing platform concrete for the first time; identifying a spherical hinge mounting reference; fixing a slideway support, a lower spherical hinge support, a slideway plate and a lower spherical hinge; mounting a lower bearing platform upper half part reinforcing steel bar and a boosting counterforce seat reinforcing steel bar; pouring lower bearing platform concrete; installing a jack boosting counterforce seat template and pouring concrete; mounting a positioning shaft; lubricating grease is filled between the upper and lower spherical hinges; installing an upper spherical hinge and performing trial rotation; sealing a gap between the upper and lower spherical hinges; mounting supporting legs, temporary supports, an upper bearing platform, a rotary table bottom die, side dies, upper bearing platform reinforcing steel bars and anchoring rotary body traction bundles; pouring concrete on the upper bearing platform; swivel spherical hinge installation completion. By means of the constructionprocess, construction quality is easy to guarantee.

The invention provides sprayable solvent-free two-component polyurethane putty which comprises low-viscosity solvent-free bio-based resin and a low-viscosity polyisocyanate curing agent so that the viscosity of a whole coating mixing system is relatively low; in addition, hydroxyl-terminated polybutadiene-acrylonitrile resin is introduced into a formula system so that the wet adhesion and the flexibility of the system to a metal substrate are improved, and the corrosion resistance of the system is greatly improved. Resin used in the invention is solvent-free soybean oil-based and castor oil-based resin, no volatile component exists, other components are inorganic powder, and no low-boiling-point organic volatile matter exists in the whole formula system so that the product is more environment-friendly, and no flammable and combustible hidden danger exists; compared with an existing solution, three effects of priming paint, putty and floating coat are integrated, the construction linksare greatly reduced, the construction efficiency is improved, and the unit labor cost is reduced; the polyurethane material has better cold temperature performance, and the repair quality is greatly improved.

The invention discloses a low-energy-consumption building wall insulation structure and a construction method thereof. The low-energy-consumption building wall insulation structure comprises a wall layer, a fast-ribbed formwork mesh, an A-level fireproof insulation layer, a polyurethane foam insulation material layer and a plurality of connectors. The wall layer and the A-level fireproof insulation layer are arranged at an interval, two ends of the connectors are connected with the wall layer and the A-level fireproof insulation layer respectively, the fast-ribbed formwork mesh is located between the wall layer and the A-level fireproof insulation layer and connected with the wall layer, the polyurethane foam insulation material layer is poured between the wall layer and the A-level fireproof insulation layer and connected with the wall layer, the fast-ribbed formwork mesh and the A-level fireproof insulation layer. The method comprises few construction links, greatly improves the construction efficiency and has low comprehensive cost; structural strength is high, detachment is effectively prevented, and firmness and safety of the low-energy-consumption building wall insulation structure are greatly improved.

The invention relates to a thermal insulation aseismic wall which comprises aseismic brick bodies, longitudinal steel bars, transverse bars, corner bars, a thermal insulation clamping board and a thermal insulation board. Grooves are formed on four sides of the aseismic brick bodies, slotted holes are formed on the brick bodies, and trenches are formed on the brick surfaces. The transverse bars and the corner bars are provided with annular elbows. The thermal insulation clamping board is provided with a sleeve, a vertical board and a cross board. The transverse bars and the corner bars are placed when the aseismic wall is built up to a certain storey height. The annular elbows of the bars are aligned with the grooves on two sides of the brick bodies. The longitudinal steel bars are sheathed in the sleeve of the thermal insulation clamping board, and inserted in the annular elbows of the transverse bars and the corner bars along the grooves of the brick bodies of an inner wall and an outer wall after completing the building up of each storey. Then the thermal insulation clamping board is used for positioning, an outer wall binding agent is coated, and an outer wall thermal insulation board is embedded. The thermal insulation aseismic wall is a building structure which integrates the masonry of a wall body, the thermal insulation of the outer wall and the aseismic property. The invention aims at providing the novel energy-saving environment-friendly aseismic wall which can improve the thermal insulation strength of the outer wall, the structural strength of a main body and the aseismic intensity, facilitate the construction and realize low cost and high efficiency.

The invention provides a precast perforated pipe pile. A perforated pipe and concrete arranged in and out the perforated pipe form a pipe body, and the outer wall of the pipe body is provided with a self-tapping screw which is a spiral bump arranged on the outer wall of the pipe body. The bottom end of the pipe body is a flat head or a tip head, and the top end of the pipe body is a multi-face column and is externally sheathed with a side limited ring. The side limited ring is in a horn shape, and foundation soil is arranged between the pipe body and the side limited ring. The preparation method of the precast perforated pipe pile comprises the following steps: the perforated pipe is manufactured by steel pipes with different specifications, and the thickness is larger than 2 mm; the aperture of perforated holes in the perforated pipe is manufactured by a cutting mode and is determined according to the grain diameter of stone in the concrete, and the distribution of the perforated holes from the pile top to the pile end is determined according to the distribution characteristics of additional stress of the pile; the spiral bump of the outer pipe of the perforated pipe is determined according to the bearing capacity of single pile and the rotational torque; and a variety of parameters of the perforated pipe precast pile are determined according to shared building load, final foundation deformation, foundation soil conditions and conditions for affecting pile sinking.

The invention discloses a quick support formwork for a pipe gallery and a construction method thereof. The quick support formwork includes a traveling structure, a supporting structure located on theupper part of the traveling structure, an auxiliary structure used for assisting construction, a side wall formwork, a top corner formwork, a top side formwork, and a top middle formwork; the supporting structure includes a support base, a special-shaped vertical column, a positioning connector, a support screw, a demolding oil cylinder, a side wall formwork bracket, a top mold bracket, the special-shaped vertical column is mounted on the support base as the main body of the supporting structure, the positioning connector, the support screw, and the demolding oil cylinder are mounted on the outer side of the special-shaped vertical column and connected with the side wall formwork bracket; the auxiliary structure includes an integral jacking cylinder, an in-place fixing screw, a rotating platform, and a middle support rod used for supporting the top middle formwork. When side wall position concrete meets the demolding requirements specified in the construction specifications, the side wall formwork and the top side formwork can be demolded separately, and the top middle formwork is retained until the concrete strength of pipe gallery roof slabs fully meet the design requirements.