38results about How to "Reduce on-site labor" patented technology

A refrigerating machine room assembly type construction method based on a BIM technology comprises four stages, namely a deepening design stage, a prefabrication machining stage, a transportation stage and a field assembly stage. According to the method, a designed construction drawing is combined with a construction site, electromechanical professions are comprehensively planned, civil engineering, curtain walls, decoration and other acceptance units are connected, and the problem of serious difficulty in construction and key areas are pre-judged. The method has the advantages that on-site construction is guided, engineering quality is improved, guarantee is provided for engineering progress, project cost is saved, completion data is input into the building information model finally, system maintenance and use during project operation are facilitated, and expected functions of buildings are achieved finally and added value is increased. Compared with a traditional refrigerator room construction method, the construction method adopting the prefabricated assembly refrigerator room has remarkable advancement and advantages in the aspects of construction period, quality, safety, manufacturing cost and other technical and economic effects.

The invention discloses a fabricated construction method of an air-conditioning plant room. The fabricated construction method includes a design deepening phase, a prefabrication processing phase, a transportation phase and an on-site assembly phase. The design deepening phase includes the steps that on-site surveying and mapping are performed, and a plant room drawing is checked; BIM is performedbased on the plant room drawing; and a model is decomposed, and simulation assembly is performed. The prefabrication processing phase includes the following processes that a pipeline segment design drawing is converted into pipeline processing drawings, and the pipeline processing drawings are divided according to technological processes of cutting, grouping and welding; the pipeline processing drawings are imported into processing equipment, cutting, grouping and welding treatment is performed on pipelines, and the pipelines are assembled in sequence; non-destructive inspection of pipeline weld seams is performed; and surface treatment is performed on the pipelines. The fabricated construction method of the air-conditioning plant room can solve the problems that one-time installation inplace of complex pipelines construction is difficult, the construction efficiency is low, and the construction accuracy is poor.

The invention discloses a 3D printing stack forming ballast bed elevation adjusting method. The 3D printing stack forming ballast bed elevation adjusting method comprises, according to a base poured according to a gradient and line adjusting drawing and a track construction drawing, which are designed according to line through measurement and tunnel section output, and a prefabricated part arrangement plan, sectionally performing base surface elevation measurement to establish a base surface elevation three-dimensional map mathematical model; measuring the flatness of the lower surface of every prefabricated part, and establishing a lower surface flatness three-dimensional mathematical model of every prefabricated part; based on design and practical mathematical models, producing 3D printing input files, and layer-by-layer printing materials onto the surface of the base or the prefabricated parts through numerical control 3D printing equipment. Between a base assembling layer and the prefabricated parts, elastic buffer layers different in thickness are arranged to adjust the elevation of a ballast bed to meet the requirements of tracks on directional, horizontal and height smoothness and meanwhile a prefabricated part adjusting surface can meet the requirement that the prefabricated parts can be directly assembled on the base. The 3D printing stack forming ballast bed elevationadjusting method is rapid in construction speed and high in precision and is a key technical breakthrough of green track manufacturing.

The invention discloses a structure, pipeline, heat preservation and decoration integrated assembly type toilet. The integrated assembly type toilet comprises a toilet body, wherein the toilet body isof an integrated structure formed by light-weight aggregate concrete and reinforcing steel bars in a pre-casting manner, a waterproof chassis is arranged in a cavity of the toilet body, and the waterproof chassis divides the toilet body into a wall body and a caisson located at the lower end of the wall body. The inner wall of the wall body is paved with shingles, a top cover is arranged at the top of the wall body, and water supply pipes and wire pipes are pre-embedded in the wall body; bathroom equipment which communicate with the water supply pipes is installed on the waterproof chassis and / or the shingles, and a sewer pipe which communicates with the bathroom equipment and a drainage pipe which communicates with the sewer pipe are arranged in a cavity between the bottom of the caissonand the waterproof chassis; and the lower end of the top cover is provided with a bathroom appliance which is connected with wires in the wire pipes. According to the structure, pipeline, heat preservation and decoration integrated assembly type toilet, the problems that for the structure, pipelines, heat preservation and decoration of a traditional toilet, the workload of field operation is large, the quality is difficult to guarantee, and the work efficiency is low can be solved, and the assembly rate of buildings is improved.

The invention provides a fabricated compound wall. The fabricated compound wall has a light steel structure as the skeleton, and the inner side and the outer side of the fabricated compound wall are nailed with fabricated slabs and can be poured with light insulating cement-based materials. Therefore, the fabricated compound wall is light in construction and installation as the steel structure andmeanwhile solves the problems of poor fireproof and antiseptic performance and small structural rigidity of steel structures; besides, plant fabrication of the prefabricated slabs can save field manual labors, the prefabricated slabs serving as a mouldless and support-free system can accelerate field pouring of the light insulating cement-based materials, avoid transportation of large fabricatedconcrete components, save engineering costs and meet the economic conditions in rural areas.

The invention belongs to the technical field of construction engineering and particularly relates to a prefabricated assembly type strip foundation and a construction technology. The prefabricated assembly type strip foundation is characterized in that the prefabricated assembly type strip foundation comprises a longitudinal rebar; a plurality of hooping ribs are wound and fixed outside the longitudinal rebar; and the longitudinal rebar and the hooping ribs serve as a whole stress body through concrete pouring. The prefabricated assembly type strip foundation has the beneficial effects that factory prefabricated production can be achieved, quality control is convenient, construction difficulty caused by outdoor weather changes is avoided, field installation is safe, fast and convenient, energy conservation and environment protection are achieved, labor and time are saved, and the assembly efficiency is high.

The invention relates to a fabricated double-limb shear wall with an inner arch type coupling beam. The fabricated double-limb shear wall is characterized by comprising first shear wall units, secondshear wall units, the inner arch type coupling beam, laminated layers, vertical connecting components and horizontal connecting components, and the first shear wall units and the second shear wall units correspond up and down and are connected through the vertical connecting components; and the double-limb first shear wall units are connected to the inner arch type coupling beam through the horizontal connecting components, gaps are reserved between the first shear wall units and the second shear wall units, and concrete is poured into the gaps to form the laminated layers. According to the fabricated double-limb shear wall, the connecting components between the shear wall units can be prefabricated in a component processing factory, and compared with a traditional cast-in-place building structure construction method, on-site welding and mounting are convenient, operation time is saved, on-site labor force is reduced, and assembling efficiency is improved.

The invention discloses an assembled integral subway station structure which comprises a cast-in-place bottom plate, prefabricated side walls, a prefabricated top plate, a prefabricated middle plate, a prefabricated middle column, a middle longitudinal beam and a top longitudinal beam. The prefabricated side walls are arranged on the two sides of the cast-in-place bottom plate, and the prefabricated middle column is arranged on the middle side of the upper portion of the cast-in-place bottom plate; the top longitudinal beam and the middle longitudinal beam are arranged on the upper portion and the middle of the prefabricated middle column respectively, and the prefabricated middle column is a double-layer integrated segment column. According to the assembled integral type subway station structure, through organic combination of a prefabricated structure and cast-in-place and UHPC post-pouring at the joints, rigid connection of the joints is achieved, the structural integrity is good, safety and reliability are achieved, compared with full prefabrication, components are lighter, transportation and hoisting are convenient, the requirement for prefabrication and installation precision is low, the construction period can be shortened by 20%, and mold-free and support-free effects are basically achieved; and the on-site labor amount is reduced.

The invention provides a low-position electric box body, and relates to the technical field of low-position electric boxes. The low-position electric box body comprises an electric box main body, the electric box main body is fixedly installed in a concrete block through pouring, a plurality of positioning pins are fixedly installed on the upper surface and the lower surface of the electric box main body, and an electric box inner wall is arranged on the surface of one side of the electric box main body. A plurality of through holes are formed in the lower surface of the electric box main body in a penetrating mode, a flat cable pipe fixing mechanism is connected in each through hole, a plurality of fixing plates are fixedly installed on the outer sides of the upper side surface and the lower side surface of the inner wall of the electric box main body, first fixing threaded holes are formed in the fixing plates, and a positioning mechanism is installed in the electric box main body; and when the electric box main body and the concrete block are poured and fixed, resources on a construction site can be fully utilized, and the processes of pipe groove cutting, groove removing, line pipe installation, groove repairing, net hanging, plastering and the like which are added due to installation of an electromechanical professional electric box after masonry construction are saved, so that waste of on-site labor and materials is reduced, and working efficiency is improved.

The invention discloses a combined long-span ribbed slab structure. The ribbed slab is formed by splitting steel form shells of different shapes; the frontages of the steel form shells of the different shapes are uniformly distributed with rivets (1), the sides of the steel form shells of the different shapes are connected through bolts, and the backs of the steel form shells of the different shapes are connected to form a slab plane through connecting plates (2) and bolts (3); a reinforced bar casting concrete layer (4) is paved on the plane of the slab and is closely connected with the plane of the slab to form the combined long-span ribbed slab through the uniformly distributed rivets (1). Compared with the prior art, the combined long-span ribbed slab structure provided by the invention has a few of combined components; furthermore, the combined long-span ribbed slab is processed in batches by a professional factory, good interchangeability and convenience in field splitting can be realized, the field labor capacity can be reduced, the construction period can be reduced significantly and the economic benefit can be improved; an existing wooden form can be substituted by the plane of the slab formed by splitting the steel form shells, therefore, the compressive property can be improved and the cost saving can be realized; in addition, lightening holes are formed in side plates, therefore materials can be saved and dead weight can be reduced.

The invention discloses a masonry building concrete filled steel tubular column pedestal shock isolation foundation structure and a construction method thereof. The masonry building concrete filled steel tubular column pedestal shock isolation foundation structure comprises a building peripheral outer wall shock isolation foundation and a building peripheral inner wall shock isolation foundation; the building peripheral outer wall shock isolation foundation is composed of a lower part structure, a peripheral upper supporting beam and an upperpart structure; the peripheral upper supporting beam and the upperpart structure are arranged above the lower part structure; and shock isolation devices are arranged between the peripheral upper supporting beam and the lower part structure as well as between a middle upper supporting beamand the lower part structure respectively. The construction method comprises the following steps: arranging the shock isolation devices; arranging the upper supporting beams; prefabricating a shock isolation device component; excavating earthwork; detecting the lower part structure; carrying out location and line laying of the shock isolation devices; installing the shock isolation devices; carrying out reinforcement operation on the shock isolation devices; constructing the upper supporting beams; filling sealing materials; constructing concrete composite slabs; and constructing earth-retaining walls and scattered-water concrete. The masonry building concrete filled steel tubular column pedestal shock isolation foundation structure is low in construction cost and ensures the service life when reducing the backfilling engineering quantity of an indoor foundation.

The invention discloses a modular assembly house system, which is characterized in that it includes one or more modular houses (1), and the houses (1) within two floors extend infinitely in the horizontal direction, Each house (1) is composed of a steel structure frame (2), a cold-formed thin-walled steel system wall panel (3), a cold-formed thin-walled steel system floor plate (4) and a cold-formed thin-walled steel system roof (5) Composition; described steel structure frame (2) comprises crossbeam (2.1) and vertically connected column (2.2) that are parallel to each other up and down, and the eight corners that described beam (2.1) and column (2.2) surround are all used The connecting piece (7) is connected; it overcomes the disadvantages of inconvenient folding and assembly in the prior art, poor combination, and unsuitability for complicated environments, and has the advantages of detachable, interchangeable, and increase-reducible.

The invention discloses a steel fiber quick-hardening template frame and a preparation method thereof. The steel fiber quick-hardening template frame comprises a template, reinforcing steel bars and opposite-pull connecting pieces, and template materials comprise cement, natural sand, steel fibers, silica fume, a retarder, polycarboxylate superplasticizer powder, a defoaming agent, rubber powder and an accelerator. The frame has the beneficial effects that the thickness of the formwork is 20 mm, the formwork has higher strength, the distance between the opposite-pull connecting pieces can be set to be 40 cm, the number of the connecting pieces can be reduced to a large extent, the cost of the opposite-pull connecting pieces is reduced, the compressive strength and breaking strength of formwork materials can be improved to a large extent by arranging the steel fibers, and meanwhile brittle failure of the formwork materials can be avoided. The produced template material is high in fluidity and can be self-leveled, vibration is not needed during template forming, the requirements of building industrialization are met in the aspects of saving on-site labor, saving turnover materials and the like, and the production efficiency of components can be greatly improved.

The invention discloses an implementing method of a fabricated under-rail foundation of a tramcar in a soft soil area. The implementing method comprises the steps that three parts of components of PHCpile foundations, reinforced concrete cross beams and reinforced concrete slab structures are prefabricated in a factory; steel bars are reserved in the position, corresponding to the pile foundations, of prefabricated roadbed beams, after under-beam steel bars and steel plates at the tails of the under-beam steel bars are placed in prefabricated pile hollow parts, shearing pin son-openings are reserved in the prefabricated reinforced concrete cross beams, during fabricating, shearing pin mother-openings in the prefabricated reinforced concrete slab structures and the shearing pin son-openings in the prefabricated reinforced concrete cross beams are subjected to socket welding to form a common beam-slab force-transferring structure; and different slab blocks of prefabricated reinforced concrete slabs are lapped on the cross beams. The implementing method has the beneficial effects that prefabricated components are adopted, the manufacturing precision is high, the quality is ensured, meanwhile, the on-site installation efficiency and installation precision are improved, on-site labor force can be saved, the construction period is shortened, and the integrity of the roadbed structure is improved; and an under-rail foundation structure of the tramcar can be completed quickly, safely, and efficiently in an environmentally friendly mode.

The invention belongs to the technical field of construction engineering and particularly relates to a prefabricated member building and a construction process thereof. The building comprises a mold body, a lifting device, a hydraulic device, a building body and a numerical control device, wherein the mold body is mounted through the lifting device; the numerical control device is connected with the hydraulic device for constructing the building body. Numerical control is combined with the information technology, and construction waste and cinder are fully used; the building is safe, quick and convenient to mount and has the advantages that the recycling rate of formworks is high, utilization and consumption of the formworks and frame tubes are reduced, the site labor is saved, the construction period is shortened, the site dust is greatly reduced, influence on the environment is small, environmental pollution is reduced, resources are saved and the like.

The invention provides a prefabricated steel concrete shear wall prefabricated structure assembly building, the building has a prefabricated structure in the factory, including prefabricated steel concrete shear walls, prefabricated steel concrete beams, reinforced truss concrete floors, prefabricated reinforced concrete stairs, A lightweight masonry partition wall and a prefabricated foam concrete exterior wall; and an installation method for the prefabricated steel concrete shear wall prefabricated structure prefabricated building is also provided. The present invention is characterized in that all components are prefabricated in factories, which is convenient for quality control and can reduce construction difficulties caused by changes in outdoor weather. And assembled on site, the installation is safe, fast and convenient; the reuse rate of the formwork is high, there is no formwork and erection work on site, saving the use and consumption of formwork and erection pipes, saving on-site labor, greatly improving the dust phenomenon on site, and having little impact on the environment ,reduce environmental pollution. The present invention is applicable to various residences and buildings such as high-rise buildings, small high-rise buildings, garden houses, and villas.