598results about How to "Simple construction process" patented technology

The invention relates to the related technical field of fabricated building outer walls, and discloses a severe cold area fabricated building outer wall based on a thermoelectric power generation technology, which comprises a fabricated wall body module, a thermoelectric power generation module, a heat collection structure module, a circuit connection module, an energy management module and a data monitoring module, the fabricated wall body module is a solid prefabricated concrete shear wall composed of an inner leaf wall plate, a heat preservation layer and an outer leaf wall plate, the heat collection structure module is fixedly installed on the outer wall of the fabricated wall body module, and the heat collection structure module comprises a heat absorption plate, a glass cover plate and a shell; according to the core component, the nickel-chromium alloy and the constantan alloy which are high in stability are directly welded for power generation, other technologies do not need to be combined, the core component can be directly applied to the building field, and under the condition that the power generation efficiency is guaranteed, the construction requirement of the building field is met as much as possible; and a brand new thought is developed for the energy-saving design of the fabricated building wall.

The invention discloses a self-adaptive control method for underground coal mine hole sealing and grouting, and belongs to the technical field of well hole packing. The method comprises the steps that plugging bags are sequentially installed at the cross sections of two drill holes of an underground coal mine working face, compressed air is injected into the plugging bags, and a cylindrical space between the bags is filled with multi-stage coal powder distribution materials in a layered mode and compacted; mixing ordinary Portland cement, a composite expanding agent, a carboxyl water reducer, a hydroxypropyl methyl cellulose stabilizer and water according to a preset ratio, and screening; stepwise pressure injection is implemented, and the grouting pressure and rate are regulated and controlled in a variable-rate climbing mode, a constant-pressure variable-speed mode and a proportional attenuation mode; and constant-temperature and constant-humidity maintenance is conducted on the grouting completion area, so that the desorption value of the drilling cuttings is reduced to a target value. According to the scheme, the grouting process parameters can be optimized, and the grouting quality is improved.

The invention discloses a double-liquid water-soluble polyurethane ground grouting flowing water blocking method. The method comprises the steps that A, ground penetrating roadway drilling construction is conducted; b, a double-pipe grouting device is installed; c, pressing water before grouting; step D, preparing a double-liquid water-soluble polyurethane grouting liquid; e, the double-fluid water-soluble polyurethane grouting fluid is mixed through a double-pipe grouting device and then grouted to a target position; and F, water pressing is conducted after grouting. The method is a more efficient, environment-friendly and economical water gushing treatment scheme, the treatment effect of flowing water plugging in the complex underground environment can be effectively enhanced, and therefore construction and operation safety of the deep-buried tunnel is guaranteed.

The invention provides a flow-state solidified soil modifier and a preparation method thereof, and belongs to the technical field of modifiers. The adhesive is prepared from the following raw materials in parts by weight: 20-40 parts of a modified glue solution, 4-7 parts of an active material, 15-25 parts of a micro-expansion material, 1-2 parts of an exciting agent and 2-4 parts of an auxiliary agent. Soil solidified by the fluid solidified soil modifier has good mechanical strength, small mixing amount, low cost, convenience in construction, high early strength and later stable strength of the soil, good water retention and water resistance, small strength change after the soil encounters water, and the active material has good stability, low cost and high enzyme loading capacity, so that the fluid solidified soil modifier has good application prospects. The method improves the catalytic ability of the enzyme, is safe and non-toxic, is low in later maintenance cost, can be repeatedly used, has heavy metal pollution repair ability, can degrade heavy metals and reduce the use amount of chemical degradation elements, and has wide application prospects.

The invention discloses a V-shaped mud cabin drag suction dredger pumping channel structure which comprises a connecting pipe, a mud cabin pumping channel and a bow square rotating circle, one end of the mud cabin pumping channel is connected with one end of the connecting pipe, and the other end of the mud cabin pumping channel is connected with a mud pipe of a bow through the bow square rotating circle. The top face of the mud cabin pumping channel is of a double-top structure, the inner wall of the double-top structure, the inner side face of the mud cabin pumping channel and the inner bottom face of the mud cabin pumping channel are all smooth faces, the bottom structure of the mud cabin pumping channel is of a longitudinal continuous structure, and the bottom structure of the mud cabin pumping channel separates a mud door hinge point and rubber and provides support above the rubber. The double-top structure comprises a double-top structure lower top plate and a double-top structure upper top plate located above the double-top structure lower top plate. The upper portion of the double-top structure lower top plate is fixedly connected with the double-top structure upper top plate through rib plates or reinforcing ribs. The structure is few in hard points, uniform in channel shape, small in resistance, simple in construction process, high in pumping efficiency, safe and reliable. No protruding structure exists in the mud cabin, and mud unloading is smooth.

The invention discloses a connecting joint for vertical steel bars of a prefabricated panel by adopting UHPFRC (Ultra High Performance Fiber Reinforced Concrete) lap joint, and belongs to the technical field of building structures. The connecting joint comprises a first prefabricated wall panel and a second prefabricated wall panel, wherein the first prefabricated wall panel comprises a connecting hole and a first connecting steel bar; the second prefabricated wallboard comprises second connecting steel bars, the first connecting steel bars and the second connecting steel bars are arranged in the connecting holes at intervals, and UHPFRC is poured into the connecting holes. The connecting holes are formed in the horizontal joints of the bottoms or the tops of the prefabricated wall panels, the connecting steel bars are arranged in the connecting holes, the connecting steel bars extending out of the prefabricated wall bodies adjacent to the horizontal joints are in single-row or double-row lap joint in the connecting holes by pouring the UHPFRC, and therefore formworks and sleeves / casing pipes are omitted, and the construction cost is reduced. The construction technology of vertical steel bar connection in the fabricated shear wall is obviously simplified, and the connection cost is reduced.

The invention relates to the technical field of HDPE pipeline shipping, in particular to an HDPE pipeline mooring and positioning system and method.The HDPE pipeline mooring and positioning system comprises a barge, a crane ship, a tugboat, a plurality of auxiliary ships and a plurality of positioning anchors, the tugboat is used for dragging an HDPE pipeline, the barge and the crane ship are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline, and the auxiliary ships are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline. The positioning anchors are symmetrically arranged on the two sides of the HDPE pipeline and used for positioning the HDPE pipeline, and the auxiliary ship is used for moving the HDPE pipeline. Compared with a traditional steel pipe pile construction technology, the mooring positioning system provides stable positioning points through the positioning anchors symmetrically arranged on the two sides of the HDPE pipeline, construction steps are simplified through cooperative operation of a tugboat, a barge, a crane ship and an auxiliary ship, particularly, complex steel pipe pile mounting and dismounting do not need to be conducted, the construction time is greatly shortened, and the construction efficiency is improved. And the construction efficiency is obviously improved.

The invention discloses a method for improving the fire extinguishing efficiency of an underground filling grouting material, and belongs to the technical field of mine fire prevention and control. The method comprises the following steps: mixing water and pulping raw materials according to a required water-cement ratio to prepare slurry; a chemical foaming agent component A is added into the slurry and fully mixed, then a chemical foaming agent component B is added, the chemical foaming agent component A contains carbonate, the chemical foaming agent component B contains acid, inert gas carbon dioxide is released after the component A and the component B are mixed, and slurry colloid foam is generated; injecting into a coal mine underground goaf through a grouting pipeline to extinguish fire and prevent fire; wherein the addition amount of the chemical foaming agent component A and the chemical foaming agent component B accounts for 5-18% of the weight of the slurry. A chemical foaming mode is adopted, a gas source is provided by means of carbon dioxide generated by chemical reaction of materials, the problem that traditional three-phase foam is insufficient in physical compressed air foaming capacity in long-distance high-position drilling is effectively solved, and the problem of continuous goaf oxygen supply under the condition of physical compressed air foaming is also effectively avoided.

The invention discloses polyurethane modified asphalt for a drainage asphalt pavement as well as a preparation method and application thereof, and belongs to the technical field of asphalt modification, the polyurethane modified asphalt for the drainage asphalt pavement comprises the following raw materials: matrix asphalt, a thermosetting polyurethane prepolymer, a catalyst and a compatilizer; based on 100 wt% of the addition amount of the matrix asphalt, the addition amount of the thermosetting polyurethane prepolymer is 33.3-66.7 wt%, the addition amount of the catalyst is 0.5-1 wt%, and the addition amount of the compatilizer is 0.5-1 wt%; the problems that in an existing drainage asphalt pavement technology, due to insufficient adhesion, aggregate falls off, water damage is caused by rainwater in the interior, the service life cannot be met due to insufficient structural strength, and due to the fact that in an existing polyurethane modified asphalt technology, polyurethane curing is fast, construction operability is insufficient are solved.

The invention provides a pipeline grouting compactness detection device and method based on an optical fiber sensor, and relates to the field of bridge concrete prefabricated component detection. The inflatable capsule is tightly attached to the inner wall of the pipeline, good contact and a stable measurement environment are ensured, the temperature sensing optical fibers are evenly arranged on the outer surface of the inflatable capsule and penetrate into the prestressed pipeline together with the inflatable capsule, and the temperature sensing optical fibers are firmly attached to the inner wall of the pipeline, so that the temperature change in the pipeline can be accurately sensed; performing data acquisition and analysis by using an optical fiber temperature monitoring system, acquiring a temperature signal fed back by the temperature sensing optical fiber in real time, and performing analysis; the temperature rise curve of each measuring point is concerned, the temperature change in the grouting process is reflected in real time, the compactness and uniformity of grouting are indirectly evaluated, the temperature change is monitored in real time, a scientific basis is provided for evaluating the grouting effect, and the quality and safety of the prestressed pipeline are ensured.

The utility model provides a building foundation bearing platform capable of being assembled. The foundation bearing platform comprises a bearing platform body with a pile foundation pouring opening, inserting grooves are formed in the two adjacent side edges of one set of the bearing platform body respectively, locking mechanisms are arranged on the two sides of the inserting grooves respectively, inserting pieces are arranged on the two adjacent side edges of the other set of the bearing platform body respectively, and the inserting grooves and the inserting pieces on the opposite side edges are matched with each other. The two bearing platform bodies are spliced through the inserting grooves of the inserting pieces and clamped through the locking mechanism. Length adjusting plates are arranged on the two opposite sides of the bearing platform body respectively, the two sets of length adjusting plates are connected with the bearing platform body through telescopic mechanisms, and the inserting pieces or the inserting grooves on the sides, provided with the length adjusting plates, of the bearing platform body are correspondingly arranged on the side faces of the length adjusting plates. The bearing platform can be spliced and assembled according to specific building requirements, the overall construction progress can be accelerated, the construction period can be shortened, and the spliced and assembled bearing platform can be suitable for multiple piles.

The invention discloses a submarine cable protection device and an installation method thereof. The submarine cable protection device comprises a plurality of pile casing assemblies which are connected in a nested mode. Each pile casing assembly comprises a sleeve, nested connection structures connected to the two ends of the sleeve and an annular flow guide structure arranged on the outer surface of the sleeve, and all the sleeves and the nested connection structures are of hollow structures and used for submarine cables to penetrate through in the axial direction. Each nested connection structure comprises a mother end and a son end, and the mother ends and the son ends connected with the same sleeve are respectively used for being in nested connection with the corresponding son ends and mother ends connected with different sleeves; each mother end is composed of two symmetrical semispherical mother end units, and each son end is composed of two symmetrical semispherical son end units; each annular flow guide structure comprises an annular base and a plurality of flow guide plates with spaced protrusions, the outer surfaces of the corresponding sleeves are sleeved with the annular bases, the flow guide plates are fixed to the corresponding areas of the annular bases, and the annular bases are of an openable structure. The invention aims to realize anti-bending protection of the submarine cable.

The invention discloses a low-haze anti-dazzle resin cover plate which comprises a plastic base body and a low-haze anti-dazzle coating, the plastic base body is coated with the low-haze anti-dazzle coating, the thickness of the plastic base body ranges from 0.05 mm to 6 mm, and the thickness of the low-haze anti-dazzle coating ranges from 5 micrometers to 20 micrometers. The plastic base layer is made of PET, PC, PMMA, a PC / PMMA composite material or PETG. The low-haze anti-dazzle coating mainly comprises the following components: two-functionality acrylic ester, three-functionality acrylic ester, six-functionality urethane acrylate, two-functionality urethane acrylate, a photoinitiator and a flatting agent. In order to solve the technical problems in the prior art, the low-haze anti-dazzle resin cover is prepared through phase separation of a crystalline component and an amorphous component of a coating. The low-haze anti-dazzle resin cover plate prepared by the invention has the characteristics of low haze, high definition and the like, and the scheme of the invention is simple in construction process, low in cost and good in coating uniformity.

The invention relates to the technical field of railway tunnels, in particular to a surrounding rock steel arch support construction method, after a tunnel is excavated, a steel arch is annularly spliced and installed along the section of the tunnel, primary support is carried out, the steel arch is formed by splicing and connecting steel arch sections, and each steel arch section is composed of a profile steel arch section and a flexible expansion pipe; the section steel arch frame sections are circular-arc-shaped section steel arch frame sections with openings in the upper portions, the flexible expansion pipes are embedded in the circular-arc-shaped steel arch frame sections, the flexible expansion pipes are filled with filling materials, and the flexible expansion pipes are extruded through the filling materials till the flexible expansion pipes are tightly attached to the inner walls of the circular-arc-shaped section steel arch frame sections. A first buffer layer is further arranged between the flexible expansion pipe and the arc-shaped steel arch frame section, and the first buffer layer is an elastic rubber plate arranged on the inner side of the arc-shaped steel arch frame section. According to the method, the primary support is more stable and firmer, the supporting force is higher, certain toughness and buffering force are achieved, and on the basis that the supporting strength is guaranteed, the support is not prone to breakage.

The invention discloses a structure for consolidating and reinforcing a soft foundation through solar heat and an operation mode of the structure. The structure comprises a soft foundation drainage consolidation system, a solar heating system, a vacuum pressure system, a water filling pipe bag load increasing structure, a stacking structure and a foundation soil layer. The lower part of the soft foundation drainage consolidation system is inserted into the foundation soil layer, and the upper part of the soft foundation drainage consolidation system is arranged on the top surface of the foundation soil layer; the solar heating system and the vacuum pressure system are respectively connected with the soft foundation drainage consolidation system; the stacking structure and the water filling pipe bag load increasing structure are sequentially arranged on the upper portion of the soft foundation drainage consolidation system from bottom to top, the vacuum pressure system is arranged on the top face of the stacking structure, and the solar heating system is arranged on the top face of the foundation soil layer. The deep soft foundation is reinforced through combination of the drainage wall, a common drainage plate and solar thermal consolidation, the reinforcing effect is good, and the method is economical.

The invention relates to the technical field of coating equipment, in particular to a camouflage coating spraying device and intelligent construction equipment. The camouflage paint spraying device comprises a spraying gun which is installed on the base frame, communicated with paint raw material liquid and used for spraying the paint liquid and forming a spraying range. And the movable frame is mounted on the base frame in a sliding manner and forms a shielding surface capable of adjusting the angle of the shielding line. The movable driving part is mounted on the base frame, the output end is connected with the movable frame, and the movable driving part is used for driving the movable frame to quantitatively slide. According to the spraying mode, overlapping spraying is not needed, a coating with a special thickness is not needed to cover the color of the lower layer to prevent bleeding, meanwhile, construction is convenient, the construction period cannot be prolonged, use of paint can be greatly reduced, and therefore the cost is reduced. Manual operation is not needed, and construction damage is avoided. Three-dimensional simulation construction, overall construction, observation and modification can be carried out in advance, and overall adjustment of the camouflage pattern is facilitated.

The utility model provides a glass curtain wall and stone curtain wall inclined closing-up node which is characterized in that an aluminum alloy stand column is fixed with a cross beam through a stainless steel cylindrical pin, and hollow tempered laminated glass is fixed on the aluminum alloy stand column through an aluminum alloy pressing plate and is fixed with an aluminum alloy glass auxiliary frame through a silicone structural sealant; the aluminum alloy glass auxiliary frame is fixed on the aluminum alloy cross beam; galvanized angle steel is further fixed to the aluminum alloy stand column through galvanized angle steel adapters, the aluminum alloy stone hanging seat is fixed to the galvanized angle steel, the stone panel is connected to the aluminum alloy stone hanging seat in a hung mode through aluminum alloy back bolt hanging pieces, and the gap between the stone panel and the glass curtain wall system is filled with sealant. The section size and the thickness of part of materials are changed, the strength and the mechanical property of components are improved, hanging measures are adjusted, so that the vertical keel serves as a structural support of a glass curtain wall and a structural support of a stone curtain wall, the problem of curtain wall design is solved, and indoor space attractiveness and comfort are not affected.

The invention provides a composite structure bridge system based on steel and concrete and a construction method. A composite beam comprises a bridge deck slab and a composite rib plate located on the bottom face of the bridge deck slab, the composite rib plate comprises a concrete rib plate and a steel beam, and the concrete rib plate is located between the bridge deck slab and the steel beam; the standard simply supported beam comprises a plurality of composite beams arranged in the longitudinal bridge direction, and the adjacent composite beams are connected through inter-beam connecting structures. The standard simply-supported unit comprises a plurality of standard simply-supported beams arranged in the transverse bridge direction, and every two adjacent standard simply-supported beams are connected through a longitudinal wet joint; every two adjacent standard simply-supported units are connected through a pier top connecting structure to form a continuous structure system. The problem of how to quickly splice the composite beams on site to form a bridge structure system is solved, the composite beams can be prefabricated in sections and transported by a conventional expressway, centralized prefabrication and large-radius logistics distribution of the composite beams in a factory can be realized, and the commercialization circulation process of the small and medium span composite beams is promoted.

The invention discloses an under-pressure well process pipe column with a blowout prevention function and a construction method of the under-pressure well process pipe column. The under-pressure well process pipe column sequentially comprises a screwed plug, a screen pipe, a multifunctional under-pressure ball seat, a blowout prevention tail pipe valve, a first water distributor, a first packer, a second water distributor, a second packer and a third water distributor from bottom to top; normal water injection of the first to third water distributors is ensured; during plugging, the multifunctional under-pressure ball seat is automatically opened, so that no dead cavity is generated at the lower end of the tubular column. During normal well washing, the ball seat is closed, and water is injected into the water distributors normally. During inverse well flushing, the center channel of the ball seat is opened, and it can be guaranteed that setting can be conducted again during normal water injection. When the underground pipe column needs to be lifted, the strong magnetic ball suction pipe is put, and the lower end of the pipe column does not form a dead cavity, so that the strong magnetic ball suction pipe can smoothly move downwards; the bottom reversely seals the lower end opening of the inner sliding sleeve of the blowout prevention tail pipe valve, reliable blocking is achieved, and then underground pipe columns can be pulled out of a well mouth one by one under pressure for maintenance.

The invention discloses a construction method of a vibration reduction and isolation system for relieving the influence of industrial vibration on surrounding buildings. The construction method comprises the following steps that firstly, an industrial vibration source and the surrounding buildings are determined; 2, designing a vibration isolation trench; 3, excavating a vibration isolation trench; 4, loose soil bodies are removed, and soil residues are cleaned; 5, heating the modified asphalt, and heating and stirring the modified asphalt and the added hemp knife; sixthly, the improved asphalt hemp mixture is poured into the vibration isolation trench to be filled layer by layer; 7, naturally cooling and curing the mixture; and 8, sealing the vibration isolation trench by adopting a rubber cover plate. The vibration isolation ditch for pouring the improved asphalt hemp mixture is arranged between the industrial vibration source and the building, the propagation path of vibration waves generated by the industrial vibration source is changed, the energy of the vibration waves is consumed, the vibration reduction and isolation energy consumption efficiency of the vibration reduction and isolation system is greatly improved, vibration disasters of industrial vibration to surrounding houses are effectively relieved, and the service life of the vibration reduction and isolation system is prolonged. And meanwhile, industrial production is not affected, and the method has creative engineering significance and has the practical value of simple construction process and low cost.

The utility model relates to the technical field of tunnel construction, in particular to a tunnel top arch anchor rod grout stopping device which comprises a three-way pipe, a conical rubber pipe is inserted into an upper connector of the three-way pipe, and an annular inner sealing air bag and a steel pipe elbow are installed on a lower connector and a branch pipe connector of the three-way pipe respectively. According to the grouting stopping device for the top arch anchor rod of the tunnel, the construction mode that the top arch anchor rod is firstly inserted and then grouted is changed into the mode that the top arch anchor rod is firstly grouted and then inserted, the construction technology is simplified, and material consumption is reduced; therefore, the hidden danger that the three-way pipe or the anchor rod vibrates or the connection sealing between the anchor rod inserting end and the three-way pipe connecting end fails is eliminated.

The invention relates to the technical field of coatings, in particular to a water-based thermal insulation material containing rare earth elements. The invention relates to a rare earth element-containing water-based thermal insulation material, which is prepared from the following raw materials: 50 to 55 parts of water-based hollow elastic rubber microsphere modified silicone acrylic emulsion, 12 to 15 parts of modified hollow glass microsphere, 7 to 9 parts of rare earth nano thermal insulation agent, 12 to 14 parts of nano TiO2 modified aerogel dispersion liquid, 6 to 8 parts of kaolin, 0.5 to 0.8 part of thickening agent, 0.5 to 0.7 part of dispersing agent, 1.5 to 2 parts of film-forming agent and 1.4 to 1.6 parts of defoaming agent. The rare earth nano heat insulation agent is water-based dispersion slurry of cerium series rare earth oxide, and the rare earth nano heat insulation agent is water-based dispersion slurry of cerium series rare earth oxide. The rare earth element-containing water-based thermal insulation material provided by the invention has the advantages of excellent thermal insulation performance, good adhesive force, environmental protection performance, aging resistance, simple construction process, lower production cost and the like, and has very high practical value and application prospect.

The invention belongs to the field of industrial waste resource comprehensive utilization, and particularly relates to a green environment-friendly fly ash multi-effect exciting agent and a preparation and use method thereof. The fly ash multi-effect exciting agent prepared by the invention is prepared by fully and uniformly mixing a composite active exciting agent, a quick-setting early strength agent, a modifier and a composite efficient ammonia fixing agent, and the fly ash multi-effect exciting agent is prepared from the following raw materials in parts by weight: 60-90% of the composite active exciting agent, 1-12% of the quick-setting early strength agent, 1-5% of the modifier and 5-30% of the composite efficient ammonia fixing agent, the fly ash multi-effect exciting agent can be specifically used in mine filling mining and concrete admixtures, can effectively excite the potential activity of fly ash and remarkably improve the utilization rate of fly ash, can solidify ammonia in fly ash, effectively solves the problem of pungent smell generated during fly ash filling, and has a wide application prospect.

The utility model discloses a composite floor near-edge cantilever end reinforcing node which is arranged on a frame edge beam and comprises an edge mold, the edge mold comprises a horizontal section, a vertical section and a bending section which are formed by bending in sequence, the horizontal section and the bending section are arranged at the two ends of the vertical section respectively, the horizontal section is perpendicular to the vertical section, and the bending section is perpendicular to the vertical section. The bent section is bent towards the direction of the horizontal section; the horizontal section is fixedly lapped on the top surface of the frame edge beam; the stiffener is fixedly arranged on the horizontal section in the direction perpendicular to the axis of the frame edge beam, and one end of the stiffener extends out of the horizontal section and is fixedly connected with the top surface of the frame edge beam; and the pull rod is obliquely arranged, one end of the pull rod is fixedly connected with the bent section, and the other end of the pull rod is fixedly connected with the stiffener. The floor support plate is simple in construction process, and the construction period can be effectively shortened while the strength of the floor support plate is enhanced.

The utility model provides an energy dissipation and shock absorption node for a beam column of a recombined bamboo frame, belongs to the technical field of civil construction structures, and solves the problems that the research on the connection form of a recombined bamboo component is insufficient, tenons are easy to pull out in the traditional tenon-and-mortise connection mode, and splitting damage is easy to occur in the steel filling plate-bolt connection mode. The joint comprises a recombined bamboo column, a recombined bamboo beam and a special-shaped steel filling plate connecting piece, the joint adopts combined connection of mortise and tenon connection and steel filling plate-bolt connection, the relative displacement of the recombined bamboo column and the recombined bamboo beam is effectively limited to be too large, and joint failure caused by tenon pulling is avoided. The middle layer of the special-shaped steel filler plate connecting piece is a recombined bamboo plate, and splitting damage caused by local extrusion is effectively prevented. The outermost layer is the friction energy dissipation composite rubber sheet, under the earthquake action, the bolts slide relatively through the long circular bolt holes to dissipate energy, and meanwhile the friction energy dissipation composite rubber sheet on the outer surface layer of the connecting piece dissipates energy through friction. The steel filling plate connecting piece is arranged to be in a special shape, so that stress distribution is more reasonable.

The utility model discloses a fully-prefabricated floor slab structure applied to a modular building. The fully-prefabricated floor slab structure comprises a floor slab body and a connecting part. Wherein the floor slab body is fixedly arranged at the upper end of a beam mold after being subjected to full-prefabrication or semi-prefabrication pouring molding by regions and is located at the top of the modular box body; the connecting parts are fixedly arranged between the floor slab bodies and on the outer sides of the floor slab bodies; according to the utility model, the floor body is subjected to regional construction in a full-prefabricating or semi-prefabricating manner, so that the construction efficiency and the quality control are improved; the floor slab body can be fixed to the top of the beam formwork through hoisting and located on the top of the modular box body, and rapid mounting and dismounting of the modular building are achieved. And secondly, due to the arrangement of the connecting parts, firm connection is formed between the floor bodies and the outer side connecting beams, the stability and the bearing capacity of the whole structure are improved, the influence of construction on the environment is reduced, the high-altitude operation time is shortened, the construction safety and efficiency are improved, and the construction cost is reduced.

The invention provides a titanium gypsum curing agent, a preparation method and application, and belongs to the technical field of road engineering materials. The raw materials comprise, by weight, 30-50 parts of an exciting agent, 10-15 parts of a filling material, 30-50 parts of an active solid waste material, 1-10 parts of calcium oxide, and 2-5 parts of a dispersant; the exciting agent comprises an agent A and an agent B in a mass ratio of 0.025-0.08; the agent A comprises sodium hydroxide and potassium hydroxide; and the agent B comprises composite Portland cement and ordinary Portland cement. The synergistic hydration hardening effect among the solid waste raw materials is fully utilized, the solid waste raw materials and the titanium gypsum can generate the synergistic activation effect through the double salt effect and the tetra-coordination isomorphism effect of silicon, a compound or solid solution with certain strength and stability is formed, harmful substances in the titanium gypsum are physically wrapped, and the titanium gypsum is prepared. The effective curing of harmful substances of the titanium gypsum is realized, and certain road strength is generated.

The invention relates to a mold for manufacturing an inorganic glue composite bamboo board and a pressure forming method, and belongs to the technical field of building materials. The mold for manufacturing the inorganic glue composite bamboo board comprises a pressure applying platform, a board mold and a top cover, the pressure applying platform comprises a steel frame and a hydraulic device installed on the steel frame, and the board mold comprises a mold bottom plate and four side plates; bamboo ribs soaked with inorganic glue in advance are placed in the space defined by the four side plates, and a hydraulic device is used for conducting one-way press fit on the bamboo ribs. According to the inorganic glue composite bamboo board, a board mold is adopted, different bamboo rib arrangement schemes are matched, the processed and prepared inorganic glue composite bamboo board can be subjected to one-way pressurization and one-time forming according to the characteristics that the length and the width of a wallboard are large and the thickness is small, saw cutting machining is not needed, and splicing seams generated by splicing of multiple boards do not exist.

The invention provides a construction method of a multi-element solid waste-based cementing material roadbed filler, and relates to the technical field of road engineering, and the construction method comprises the following steps: S1, selecting raw materials: fly ash, slag powder, carbide slag powder, desulfurized gypsum powder, gasified slag powder, coal gangue powder, steel slag powder, tailing powder, coal cinder powder, building solid waste powder and municipal waste powder; s2, raw material pretreatment; s3, preparing a composite exciting agent: preparing sodium sulfate, calcium hydroxide, calcium chloride, calcium sulfate, sodium silicate and sodium hydroxide; s4, preparing a composite exciting agent solution; s5, preparing a multi-element solid waste-based cementing material: uniformly mixing the raw materials pretreated in the step S2 with the composite activator prepared in the step S4 according to a ratio; s6, roadbed laying, wherein a sodium bentonite waterproof blanket is laid on the bottom layer of the roadbed and then laid; s7, geogrids are laid; s8, maintenance is conducted; through fine selection and proportioning of the raw materials, efficient resource utilization of various industrial solid wastes is realized.