32results about How to "Change the construction process" patented technology

The invention relates to a packaged-type composite performance building dismantling-free formwork and belongs to building materials and construction materials. The particularity of the formwork is that sandwich materials are sealed and packaged in a cement formwork shell made by a special mould. In a cast-in-place construction site, the formwork is subjected to assembling operation according to the configured sequence, the formwork is fixed on a formwork bracket, and after concrete pouring and tamping is completed, the formwork does not need to be dismantled. According to the packaged-type composite performance building dismantling-free formwork, the construction efficiency of a heat insulation outer wall and a heat insulation and sound insulation floor plate is improved, the safety and reliability of a heat insulation outer wall structure are strengthened, and important practical significance is achieved to meet the requirements of building energy saving and environmental protection, improve the building construction quality, change a traditional cast-in-place building formwork process, save timber resources and reduce the building and construction cost.

The invention discloses a non-welded flat plate fixed embedded piece. The non-welded flat plate fixed embedded piece comprises a flat plate embedded piece body, steel bars with the equal length are perpendicularly arranged on four end parts of the same side surface of the flat plate embedded piece body, a fixed through hole is further formed in the middle of the flat plate embedded piece body, a fixing bolt penetrates through the fixed through hole and forms a fixed structure with a nut in a wire closing mode, and the fixed bolt is used for fixing with a template during embedding and used forfixing with a bracket when the bracket is mounted. According to the non-welded flat plate fixed embedded piece, the matched bolt is adopted to fix and change a fixing technology of traditional body steel bar welding for embedded mounting and bracket mounting, the construction efficiency is greatly improved, manpower is reduced, the construction procedure is changed, the construction quality is improved, the input quantity of consumable items are greatly saved, so that the construction work environment pollution is more environmentally friendly.

The invention relates to low-carbon low-shrinkage ultra-high strength concrete and a preparation method and application thereof. The low-carbon low-shrinkage ultra-high strength concrete comprises 340-380 parts of cement, 50-90 parts of silicon powder, 140-170 parts of fly ash, 0-35 parts of waste rubber powder, 980-1100 parts of crushed stone, 580-680 parts of medium sand, 110-160 parts of tap water, 10-22 parts of a water reducing agent, 0-3.5 parts of fiber and 0-0.875 part of a coupling agent. According to the method, during preparation, first drying the medium sand in the sun; measuring various components in proportion, manually kneading the waste rubber powder, pouring the waste rubber powder into a stirring barrel, then uniformly stirring the water reducing agent, the coupling agentand water, pouring the water reducing agent, the coupling agent and the water into the stirring barrel, and stirring; pouring the cement, the silicon powder and the fly ash into the stirring barrel,and stirring; adding the crushed stone, and stirring; finally, adding the medium sand and the fiber, stirring and discharging. The low-carbon low-shrinkage ultra-high strength concrete is configured with lower single cement consumption, and effectively solves the problems of high-efficiency utilization of waste rubber powder resources, excessively high viscosity, excessively high self-constrictionand high brittleness of ultra-high strength concrete mixtures, thus achieving multiple benefits at one stroke.

The invention discloses a transferring cross beam of lower openings of unitized curtain walls. The transferring cross beam comprises a lower transferring cross beam frame. The lower surface of the lower transferring cross beam frame is a grounding U-steel joint face; an aluminium plate framework connecting part is arranged at the left side of the lower transferring cross beam frame; a guide positioning boss is arranged at the upper surface of the lower transferring cross beam frame; the connecting part of the guide positioning boss and the upper surface of the lower transferring cross beam frame is a left hollow stand bar and a right hollow stand bar; and an outer layer drainage channel and an inner layer drainage channel are arranged inside respectively. According to the transferring cross beam of lower openings of the unitized curtain walls, the common construction process of the curtain walls is changed, and the decorative face plate with the cornice is installed firstly. Working plane can be developed entirely to realize cross working and parallel construction can be carried out without the limitation of construction sequence, thus the construction progress is greatly accelerated. The transferring cross beam is combined with the cornice aluminium plate framework by virtue of the lower transferring cross beam frame to form a complete closed opening, so that the function requirement of the cornice aluminium plate framework is satisfied and the function of combination with lower cross beams of interlayered unitized curtain walls is satisfied.

The invention belongs to the technical field of buildings, and particularly relates to an external enclosure system of a fabricated steel structure house suitable for severe cold areas. The system comprises a standard unit wallboard, a convex column unit wall plate and accessories, wherein the standard unit wallboard is composed of a truss type wall frame structure, an ALC strip plate core wall, an inner side filling wall body, a heat insulation layer and an outer wall decorative plate, and the convex column unit wall plate is composed of a cold-formed square tube framework, a heat insulationboard and an outer decoration panel. According to the system, the standardized wallboard and the convex column unit wall plate are adopted, so that standardized product design and industrial continuous production can be realized, technical requirements of site construction are reduced, production efficiency and assembly efficiency are greatly improved, assembly operation and construction difficulty are greatly simplified, the common problem that an existing external enclosure system of the fabricated steel structure building restricts the development of fabricated buildings is solved, a help force is provided for popularization and development of the fabricated buildings, and site construction become fabricated construction worthy of the name.

The invention discloses a prefabricated skeleton structure for protection of slope vegetation in a hydropower station and a construction method thereof, which belongs to the technical field of slope protection and includes a main body, the main body includes two symmetrically intersecting cross sides, and one end of the cross side is provided with an outer groove and the outer boss, the other end is provided with an inner groove and an inner boss, and the outer groove is matched with the inner boss, and the inner groove is matched with the outer boss, so as to facilitate the connection and fixation between the two skeleton structures . By modularizing and standardizing the slope protection framework, this technical solution can realize batch prefabrication and standard installation. It can be produced on site or in factory batch production. The skeleton structure can be assembled directly, changing the traditional slope protection. The construction process of the project reduces the construction process and simplifies the construction process, which can reduce the cost and speed up the construction progress, so that the project can be put into use faster and achieve the protection effect.

The invention discloses a method for producing a cast-in-situ insulation roof, which comprises the technological process that a steel screen is welded on a purline, the purline is bound with the steel screen, then DFB lightweight aggregates are poured, blocks of polyphenyl plates are embedded in the DFB lightweight aggregates side by side, fiberglass meshes are respectively laid between the DFB lightweight aggregates on the upper and lower surfaces of the polyphenyl plates, after the DFB lightweight aggregates are completely poured, a trowel for levelling up is used for beating the DFB lightweight aggregates to solidify, and finally, mortar is used for plastering an anti-cracking layer top facing. According to the method, an outer building envelop and energy-saving insulation engineering are integrated to be completed at one step, the technology is simple, the application scope is wide, and the construction progress is accelerated. The method can be used for manufacturing an insulation roof which is light, has high-strength and good integral fire proofing, and is low in comprehensive cost.

The invention provides a riding-hanging support structure and a construction method for a simply-supported and then continuous bridge, belonging to the technical field of bridge construction. The ride-on support structure includes a ride-on bracket, a first assembled beam arranged on the top of the ride-on bracket, a sliding support, a lateral pushing device arranged on the first assembled beam, a clamp positioned above the slide bearing, and The deviation correcting device arranged on the first assembled beam and connected with the fixture; the riding bracket is used to be placed on the end of the cover beam; the horizontal pushing device is used to drive the sliding support to reciprocate and slide along the length direction of the first assembled beam; The clamp is used to clamp the middle and / or upper part of the simply supported beam; the deviation correction device is used to adjust and fix the perpendicularity between the simply supported beam and the cover beam. The invention also provides a construction method of a simple-supported bridge and then a continuous bridge. The riding-hanging support structure and the construction method of the simply-supported and then continuous bridge provided by the invention reduce the bridge construction cost, equipment purchase cost and turnover cost.

The invention discloses a transferring cross beam of lower openings of unitized curtain walls. The transferring cross beam comprises a lower transferring cross beam frame. The lower surface of the lower transferring cross beam frame is a grounding U-steel joint face; an aluminium plate framework connecting part is arranged at the left side of the lower transferring cross beam frame; a guide positioning boss is arranged at the upper surface of the lower transferring cross beam frame; the connecting part of the guide positioning boss and the upper surface of the lower transferring cross beam frame is a left hollow stand bar and a right hollow stand bar; and an outer layer drainage channel and an inner layer drainage channel are arranged inside respectively. According to the transferring cross beam of lower openings of the unitized curtain walls, the common construction process of the curtain walls is changed, and the decorative face plate with the cornice is installed firstly. Working plane can be developed entirely to realize cross working and parallel construction can be carried out without the limitation of construction sequence, thus the construction progress is greatly accelerated. The transferring cross beam is combined with the cornice aluminium plate framework by virtue of the lower transferring cross beam frame to form a complete closed opening, so that the function requirement of the cornice aluminium plate framework is satisfied and the function of combination with lower cross beams of interlayered unitized curtain walls is satisfied.

The invention is an underwater construction method of a steel tube, belonging to the technical field of underwater engineering and comprising the following steps: plugging steel tube openings at a front end and an on-shore segment of the first section of the steel tube by an air bag or a blind plate; enabling the steel tube to float on the water surface by inflating the steel tube, thus facilitating the steel tube to be fed into water; filling water in the steel tube to lead the steel tube to sink underwater, thus realizing continuous welding construction of the steel tube; changing underwater work to on-shore work, thus omitting water transportation of the steel tube; and welding and launching the steel tube section by section, thus needing no underwater work of divers and cooperation ofa lot of large-scale ship engine equipment such as floating cranes, barges, tugboats and the like. The method in the invention is suitable for various water area constructions; the entire steel tube is integrated into a whole, and the construction quality is far higher than that in the prior art; and the construction risk and the construction cost are lower.

The invention discloses a material on a tunnel drainage layer, which is characterized by comprising the raw materials with the following parts by weight: 100 parts of rubber particles, 20-50 parts of mineral wool fibres and 50-80 parts of VAE emulsion. The material adopts water conductivity of inorganic fibers, elasticity of waste vulcanized rubbers and cohesiveness of the VAE emulsion, and on the basis of better drainage property, has the leveling function to fill and level up upper concave pits and has the elastic function to be adaptive to deformation of the upper structure, changes the construction technology, can carry out direct injection, improves the construction efficiency and reduces the labor intensity of workers.

The invention discloses an automatic control system for metamorphic concrete grouting and vibrating equipment. The metamorphic concrete grouting and vibrating equipment is mainly equipped with a grout bucket, a water tank, a grouting device, a vibrating device and a stirring device. It is characterized in that it includes a grouting control module, a vibrating control module, a cleaning control module, a stirring control module, a device adjustment control module, a password modification control module, an input control module and an output display module; the invention is easy to operate and reduces the workload of the operator strength, improve work efficiency, and save energy; during the grouting period of the present invention, the required grouting amount of a single point and the completed grouting amount can be dynamically displayed, which is convenient for operators to grasp grouting related information in real time; the present invention can add grouting to metamorphic concrete The error is controlled within the allowable range, which meets the requirements of measurement and monitoring of metamorphic concrete construction; the invention can reduce the waste of grout caused by manual construction, save construction cost, and has important practical significance for changing the concrete construction technology and the like.

The invention discloses a backcut changeover cross beam of a unitized curtain wall. The backcut changeover cross beam of the unitized curtain wall comprises a cross beam framework. The upper surface of the cross beam framework is a channel steel junction surface; the left side of the cross beam framework is provided with an aluminum plate skeleton connecting part; the lower surface of the cross beam framework is provided with a changeover cross beam hook; the hooking part of the changeover cross beam hook forms an inclination towards the inner side and along the horizontal direction; and the right side of the cross beam framework is provided with a pressing plate assembly slot. According to the backcut changeover cross beam of the unitized curtain wall, the construction flow of a general curtain wall is changed, i.e. a decoration panel of a cornice is firstly installed, and a working face can be totally spread to engineering to realize cross operation; the cross operation is not limited by the construction sequence, and parallel construction can be performed, therefore, the construction progress is greatly increased. An interlayer backcut changeover cross beam of the unitized curtain wall and a cornice aluminum plate skeleton are combined to form an integral seal, therefore, not only can the functional requirement of the cornice aluminum plate skeleton be met but also the functional requirement that the cornice aluminum plate skeleton is combined with the interlayer backcut changeover cross beam of the unitized curtain wall can be met.