1883 results about "Prefabrication" patented technology

The invention relates to the technical field of bridge engineering, and discloses a concrete box girder prefabricated segmental girder formwork system and a construction method thereof.The concrete box girder prefabricated segmental girder formwork system comprises a connecting beam frame and fences, the fences are fixedly connected to the upper surface of the connecting beam frame, and an end formwork is detachably installed on the front surface of the connecting beam frame; a side formwork is fixedly connected to the lower portion of the front surface of the connecting beam frame, a side formwork is detachably installed on the upper surface of the side formwork, and an auxiliary formwork is detachably installed on the lower portion of the side formwork. Through the arrangement of the end formworks, the side formworks, the auxiliary formworks, the movable bottom formworks, the walking sliding shoes, the jacks, the reinforcement cages and the side formwork frames, a short line matching method is adopted for prefabrication, a formwork system is matched, reasonable hydraulic jack arrangement is adopted, precise formwork adjustment, supporting and demolding are achieved, the segmental beam prefabrication precision is improved, the bridge splicing quality is guaranteed, the construction process is optimized, and the construction efficiency is improved. All procedures are closely connected, construction time is shortened, and construction efficiency is improved.

The present invention relates to an adaptive manufacturing method for building components, particularly in prefabrication, modular construction, and panelized construction. The invention minimizes cumulative errors in building component production, enhances precision, and facilitates automated assembly using real-time digital updates. The method includes creating a digital information model of a building, containing data on the dimensions and positions of building components; manufacturing at least one building component based on initial model parameters; scanning the manufactured component using laser scanning, structured light scanning, or ultrasound-based scanning, selected based on the material properties, to generate a digital representation of its actual dimensions and shape; updating the digital model with the scanned data to dynamically adjust parameters for subsequent components; recalculating and adjusting the parameters of unmanufactured components based on detected deviations; transmitting adjusted parameters to an automated manufacturing system for real-time modifications in production. The system comprises a processor executing adaptive manufacturing instructions, a scanning module, a processing unit, and a recalculation module that updates component dimensions based on deviations, ensuring seamless integration of prefabricated elements.

A vehicle window with an integrated sensor module, includes a pane main body having a cutout, a sensor module designed as a prefabricated assembly with a module housing, which forms a hollow space, in which at least one sensor is accommodated, wherein the module housing forming the hollow space is inserted into the cutout and is fastened on the pane main body, wherein, together, an outer surface of the module housing and an outer surface of the pane main body form an outer surface of the vehicle window.

The invention discloses cutting equipment for pipeline prefabrication, belongs to the technical field of machining, and is mainly used for solving the problems of insufficient cutting precision and poor machining stability caused by clamping force fluctuation, pipeline ovality abnormity and dynamic path offset in the pipeline cutting process. According to the equipment, high-precision cutting is achieved through cooperative work of the rack, the clamping mechanism, the cutting executing mechanism, the driving motor and the control module, the clamping mechanism is provided with a pressure sensor to monitor fluctuation of clamping force, and the driving motor is a servo motor with an absolute value encoder to precisely control the rotating angle of a pipeline. The cutting executing mechanism feeds back the displacement track of the cutting machine in real time through a displacement sensor. Synchronous control logic is arranged in the control module, when the fluctuation of the clamping force exceeds the limit, the rotating speed of the servo motor is automatically reduced, the cutting machine is paused, meanwhile, a path correction algorithm is configured, and the proportional relation between the axial moving speed and the radial feeding amount of the cutting machine is calculated in real time based on encoder angle data. And the notch precision and the machining efficiency can be obviously improved.

The invention relates to the technical field of tunnel engineering prefabricated part production, in particular to a large-diameter duct piece independent kiln assembly line conveying prefabricating method and system. S2, a reinforcement cage and an embedded part are installed; s3, concrete is precisely poured and vibrated; s4, pre-curing and surface treatment; s5, carrying out roller way type flow conveying; s6, hydration heat-driven dynamic maintenance is carried out; and S7, demolding and finished product detection. And S8, mold circulation. According to the large-diameter duct piece prefabricating production line, through technical innovation in multiple aspects of mold, conveying, maintenance, control and the like, the core technical problem in existing large-diameter duct piece prefabricating production is solved, high-precision, high-efficiency, low-energy-consumption and green production of large-diameter duct pieces is achieved, and the large-diameter duct piece prefabricating production line has remarkable technical advantages and wide application prospects and is suitable for large-diameter duct piece prefabricating production. The method can be widely applied to infrastructure construction projects such as shield tunnels, open caisson projects and underground comprehensive pipe galleries.

The utility model discloses a template embedded type dam face permanent heat preservation protection module. Comprising a heat preservation core layer, a facing anti-seepage protection layer is arranged on the side, close to a concrete pouring formwork, of the heat preservation core layer, an internal pressure-bearing protection layer is arranged on the side, close to dam surface layer crack limiting steel bars, of the heat preservation core layer, and a thermal broken bridge supporting keel is arranged in the heat preservation core layer; an anchoring device is arranged in the area between the internal pressure-bearing protection layer and the dam surface layer crack limiting steel bars. The modular prefabrication and construction method is adopted, the prefabrication and installation method of a single module is simple and efficient, details such as anchoring protection measures are fully considered, the engineering construction operability is high, convenience and high efficiency are achieved, and the construction time of the heat preservation layer is greatly saved.

The invention belongs to the technical field of component prefabrication, particularly relates to a digital twinning-based fabricated building prefabricated component production process, solves the problems of insufficient quality and low construction efficiency in the prior art, and constructs virtual mapping of a design-production-construction whole process through a digital twinning technology. The method realizes data-driven intelligent decision making and flexible production, and specifically comprises the following steps: an intelligent design cooperation stage: a complete quality guarantee system is constructed through arrangement of structures such as an AI visual detection system and a block chain traceability system, the AI visual detection system adopts a multispectral imaging and deep learning technology, and the AI visual detection system adopts a multi-spectral imaging and deep learning technology; various defects on the surface of the component can be accurately identified, a visual thermodynamic diagram is generated, and a quality closed loop is realized by matching with an automatic repairing function of a mechanical arm; the block chain traceability system links the whole process quality data in real time through an encryption technology, and when a detection value does not reach the standard, the intelligent contract automatically triggers a rectification process and locks a problem component to form a complete quality prevention and control chain.

The invention relates to a method for monitoring prefabrication and assembly errors of a steel box laminated continuous box girder bridge, and belongs to the technical field of data processing. The method comprises the following steps: collecting prefabrication and assembly error monitoring data of the steel box superposed continuous box girder bridge, and marking the data; an error prediction model is constructed, wherein the error prediction model comprises a physical constraint feature fusion layer, a causal convolution layer, a Bayesian uncertainty propagation layer, a residual attention mechanism module and a dual-channel gating fusion module; training the model by adopting the marked data; in the training process, optimizing the model by constructing mixed loss to obtain a trained model; and aligning timestamps of the collected structure parameters, construction processes, environment parameters and measurement and state parameters of the new prefabricated segment, integrating the parameters into an input sample isomorphic with the training set, and inputting the input sample into the trained model to obtain a prediction result. According to the invention, systematic deviation can be effectively eliminated, and high-robustness and high-precision error prediction is realized.

The invention discloses a construction method for integrally prefabricating and hoisting an arc-shaped bracket of a ceramic brick curtain wall. The construction method comprises the following steps: paying off on the ground; welding and splicing the keels; mounting an elastic clamping sheet; the earthenware brick is installed, the earthenware brick is inclined by 30 degrees, a notch in the lower end of the earthenware brick is matched with a lower clamping piece of an elastic clamping piece in an inserted mode, the earthenware brick is vertically erected, an upper clamping piece of the elastic clamping piece strides over the side wall of the earthenware brick in the erecting process and is lapped at the notch, and the upper clamping piece of the elastic clamping piece is clamped into the notch in the upper end of the earthenware brick; earthenware bricks at the arch modeling position are sequentially installed layer by layer from the middle position of the arc top to the two sides, and plane earthenware bricks are sequentially installed layer by layer from bottom to top; caulking and beautifying; embedding a glue stick between gaps on the back surfaces of the earthenware bricks, protecting all the earthenware bricks by adopting an adhesive tape, and then filling the gaps by adopting a caulking agent; and checking an outer vertical surface and integrally hoisting. According to the method, earthenware bricks can be rapidly installed, the installation difficulty is reduced, meanwhile, hoisting is conducted after preassembling, and the positioning precision is guaranteed.

The utility model provides a concrete shear wall with prefabricated steel reinforcement frameworks and UHPC (Ultra High Performance Concrete) templates, which comprises at least two steel reinforcement frameworks, a steel reinforcement connecting cage for connecting the upper and lower steel reinforcement frameworks, and UHPC plates connected to the peripheries of the steel reinforcement frameworks, concrete is poured between the UHPC plates; the connecting points of the steel reinforcement framework are welded, so that the whole steel reinforcement framework can be independently stressed, and the overall supporting strength is enhanced; the welding of the two edge member reinforcement cages can provide support during the welding of the middle part main body reinforcement cage; uHPC has the advantages of being high in strength, good in durability, good in impermeability and the like, and the problems of cracking, corrosion and the like of the shear wall can be effectively prevented when the UHPC is used as a permanent formwork of the shear wall; meanwhile, the steel reinforcement framework of the concrete shear wall and the UHPC board are manufactured into a whole in a factory prefabrication mode, direct pouring can be achieved only by erecting a side face formwork after site hoisting is conducted in place, and the site construction process is greatly reduced.

The invention discloses a cement wall prefabricating drilling device for building construction, and relates to the technical field of building construction equipment, the cement wall prefabricating drilling device for building construction comprises a supporting bottom plate and further comprises a first drilling mechanism, and the first drilling mechanism is located above the supporting bottom plate. Therefore, the first drilling operation table is driven to be adjusted in the overall direction, the drilling requirements of different directions are met, the equipment use flexibility of overall drilling operation is improved, and the device is suitable for various scenes. According to the drilling equipment, the driving adjusting mechanism is arranged, large particles cannot enter a fixing box, recycling treatment is conducted through a recycling box at the bottom, classified storage is conducted on equipment needed on site through a classified storage box, drilling modes of different states are switched according to drilling scene needs, and the drilling efficiency is improved. And meanwhile, the functions of storage of equipment required during drilling, field environment purification during drilling, field equipment movement and the like are integrated.

The invention relates to the technical field of aluminum formwork construction, aims to solve the problems that in traditional aluminum formwork construction, grout leaks at formwork abutted seams, bubbles are formed on the surface of concrete, and the concrete forming quality is influenced, and provides a construction method for improving the aluminum formwork concrete forming quality, and the construction method comprises the following steps that S1, an aluminum formwork is deeply designed; s2, factory prefabrication; S3, on-site assembly; S4, concrete pouring; S5, aluminum mold dismantling; the aluminum formwork is optimally designed, the exhaust holes are formed in the formwork, the waterproof breathable film is installed, water vapor on the surface of concrete can be effectively removed, bubbles are prevented from being formed on the surface of the concrete, and the forming quality of the surface of the concrete is improved; the structure of the aluminum mold joint is optimized, a positioning groove is designed at the splicing part of the template, and an elastic sealing embedded strip is designed in the positioning groove, so that the problem of slurry leakage of the aluminum mold joint is effectively avoided; and the attached vibrator is combined with a water-vapor separation structure, so that the overall vibrating effect of concrete in the aluminum mold is improved, and the concrete forming quality is improved.

The invention discloses a construction method for prefabricating and assembling a seabed energy storage tank through prestress, and belongs to the technical field of structural engineering. The energy storage tank comprises a plurality of sub-spherical shell units and prestressed reinforcements. The construction method comprises factory prefabrication and field assembly processes of the plurality of sub-spherical shell units. The sub spherical shell units are made of common concrete or ultra-high performance concrete or ultra-high toughness concrete, PVC or metal corrugated pipes used for allowing prestressed steel bars to penetrate through are pre-buried in the shell framework, and anchorage device positioning grooves are reserved in the edges of the shell framework. A plurality of sub spherical shell units are sequentially spliced on site, high-strength prestressed steel bars are arranged in a pipeline in a penetrating mode and are tensioned in a segmented mode, anchorage devices are installed at the ends of the steel bars for fixing, and an overall spherical structure is formed. And sprayed concrete materials are applied to the joints and the positioning grooves for sealing, so that a closed energy storage spherical tank structure is formed. The method is suitable for an energy storage system in a deep sea high-pressure environment, and has the characteristics of simple and convenient construction process and good structural integrity and water tightness.

The invention relates to the technical field of diamond saw blades, in particular to a laser welding diamond saw blade for ultra-narrow slit cutting and a preparation method of the laser welding diamond saw blade. The copper-cobalt-tin alloy material comprises the following raw materials: copper-cobalt-tin alloy powder, tungsten carbide powder, titanium-aluminum nitride, spherical cobalt powder, rare earth yttrium powder, ferrophosphorus powder and diamond abrasive particles. According to the preparation method, the core of the preparation method lies in the combination of powder metallurgy prefabrication of the tool bit and the precise laser welding process, especially the innovative laser welding process, and the prepared diamond saw blade is high in welding seam strength, narrow in heat affected zone and extremely small in matrix deformation; the problems of base body deformation, insufficient welding seam strength, short service life and the like of a traditional saw blade in the ultra-narrow seam cutting process are solved, and the saw blade is perfectly suitable for ultra-narrow seam cutting scenes with extremely high requirements for precision and stability.

The invention relates to the technical field of hovercraft assembly, and discloses a method for assembling a propeller tower and a short engine room of a hovercraft, which is characterized in that a detection line reference system of a chassis frame and a height marker post is arranged at a ground prefabrication stage, so that the positioning adjustment of the propeller tower and the short engine room is completely completed at a low-altitude site; the operation risk that a scaffold is repeatedly erected and disassembled during high-altitude hoisting of a slipway in a traditional technology is avoided, a three-dimensional space positioning network is constructed by combining the plane datum of the chassis frame and the vertical datum of the height marker post, the precision error in the combining process is reduced, high-altitude closing operation of a traditional slipway stage is moved forwards to the ground site to be completed, and the working efficiency is improved. And the short engine room-paddle tower module only needs to be hoisted and positioned once when the ship body is finally carried, so that the processing period of a slipway is shortened, and the production cost of the hovercraft is further reduced.

The invention provides a quality control method and system for a small box girder, and the method comprises the following steps: constructing a small box girder design BIM model according to a bridge design drawing; converting the BIM design model of the small box girder into discrete point cloud; obtaining a prefabricated field template point cloud, and preprocessing the prefabricated field template point cloud; performing registration on the point cloud model and the BIM model; and selecting a control point on the registered point cloud model as a reference for external mold control lofting, and calculating and evaluating field lofting data. According to the quality control method and system for the small box girder provided by the invention, the point cloud is generated by adopting BIM model interpolation, high-precision registration is completed in combination with a point cloud-point cloud registration algorithm, and the registration effect is evaluated based on the root-mean-square error. And closed-loop quality control from design to construction reduces manual intervention and can realize full-process digitization. And through algorithm fusion and error registration, engineering requirements are met, and the precision is effectively improved. The problems that a traditional method is low in precision and poor in efficiency are solved.

The beam and slab prefabrication integrated production line comprises a steel bar machining unit, a movable mold table, a mold closing mechanism, a concrete pouring unit, a steam curing unit and a finished product transferring unit which are sequentially arranged along a ground rail. A T-shaped steel reinforcement framework is formed by the steel reinforcement machining units, a pouring area is defined by the strip-shaped mold table, the T-shaped mold plate and the side mold plate through the unique structural design of the movable mold table, and the side mold plate can move along the oblique sliding base. The mold closing mechanism realizes mold closing through a hydraulic rod; the finished product transfer unit transfers finished products through cooperation of a hydraulic supporting rod and a transfer trolley. The production line effectively solves the problems of large demolding friction, high energy consumption, low efficiency and the like of a traditional T-shaped beam plate prefabrication production line, can improve the prefabrication quality and production efficiency of the T-shaped beam plate, and is suitable for large-scale bridge engineering construction.

The invention discloses an assembly type machine room sub-module design system based on a BIM model and a three-constant system, and high-precision modular design of a machine room is realized through BIM parametric modeling, three-constant system performance analysis, graph theory module division, prefabricated member design, assembly process planning and CFD simulation verification. The system integrates the block chain and the knowledge graph technology, supports the prefabrication rate being greater than or equal to 85%, reduces the energy consumption by 25%, solves the problems of low construction efficiency and poor precision of a traditional machine room, and provides technical support for a smart building.

A permanent-temporary combined square block and caisson combined gravity type wharf comprises a land area rear storage yard, a temporary prefabricating yard used for prefabricating square blocks and caissons is arranged on the land area rear storage yard, the temporary prefabricating yard is communicated with square block structural sections through caisson shipping channels, and the square block structural sections are arranged along the coast and serve as caisson temporary shipping wharfs. The caisson shipping channel is used for transporting prefabricated square blocks and caissons; and after the caisson is transported out through the caisson shipping channel and the square structure section, the caisson is arranged to be connected with the square structure section into a whole, and the caisson structure section wharf is formed. According to the wharf, a site does not need to be additionally found to serve as a prefabrication yard and a temporary wharf as a construction site, and the temporary shipping wharf and part of the prefabrication yard are combined permanently and temporarily, so that wharf construction and dismantling cost can be saved.

The invention discloses a manufacturing method of an all-electric float glass melting furnace. The manufacturing method comprises the following steps: S1, carrying out modular prefabrication on a melting furnace structure; s2, assembling a multi-stage electrode system; s3, integrating an intelligent temperature control system; and S4, debugging and optimizing the melting furnace. The invention has the following beneficial effects: emission of combustion waste gas is eliminated, and zero-carbon production is realized; compared with a traditional melting furnace, the energy consumption is reduced by more than 40%, and the power consumption per ton of glass is less than or equal to 1200 kWh; the temperature control precision reaches + / -2 DEG C, and the bubble defect rate is reduced by 50%. The electrode replacement time is shortened by 70% through the modular design; a digital twin system can predict performance degradation within a kiln age cycle.

The invention discloses a BIM-based electromechanical pipeline installation method and device, a medium and a product, and the method comprises the steps that a BIM model is created, and the BIM model comprises a target building structure and electromechanical pipelines arranged in the target building structure; performing collision detection on the BIM model, and if a collision detection result represents that collision exists, performing layout adjustment on electromechanical pipelines in the BIM model until the collision detection result represents that no collision exists; after the collision detection result shows that no collision exists, electromechanical pipelines in a target building area in the BIM model are split; and each section of pipe fitting obtained through splitting is coded, and the code of each section of pipe fitting comprises the specification, the length, the connection mode, the installation position and the unique identity label, so that a prefabrication processing factory produces real pipe fittings according to the specification, the length and the connection mode in the code of each section of pipe fitting and marks the code on the produced pipe fittings. According to the invention, more efficient, high-precision and low-cost electromechanical pipeline installation is realized.

The invention discloses an anti-pulling prefabricated anchor rod and a construction method thereof, and relates to the technical field of anchor rods, the anti-pulling prefabricated anchor rod comprises a plurality of anchor rod sections, connecting pieces used for connecting the adjacent anchor rod sections, and a bearing plate arranged at an orifice; the ends are detachably connected to the ends of the anchor rod sections located at the two ends; the anchor rod sections are detachably connected with the connecting pieces in a threaded fit mode, the connecting parts are sealed through sealing rings, and the peripheries of the connecting pieces are sleeved with sealing bag bodies capable of expanding in the radial direction; and a compression triggering assembly is arranged on the connecting piece. Through the combination of the multiple anchor rod sections, the length of the anchor rod is flexibly adjusted according to the actual drilling depth, unified prefabrication in a factory and on-site rapid installation are facilitated, and the use flexibility is remarkably improved; the sections are reliably connected through the threaded connecting pieces, the pipeline joints are plug-in type pipeline joints, the sealing performance of the connecting parts is guaranteed by matching with the sealing rings, and the flexibility and adaptability of construction are improved.

The invention discloses a BIM-based pipeline autonomous optimization identification visual construction method and system, relates to the technical field of building information models, and is used for solving the problem of delivery mismatch caused by electromechanical pipeline layout limitation, dynamic deformation and information splitting. The method comprises the following steps: firstly, centrally filing multiple professional drawings and establishing a building, structure and electromechanical unified three-dimensional model; then space conflict detection, linear coupling section identification driven by thermal-stress data and maintenance pane construction are executed, and a compensation coefficient is generated based on scene mapping to realize two-stage path optimization; then hole checking, support and hanger arrangement judgment, pipe section prefabricating and splitting and 4D construction simulation are completed; and finally, through point cloud calibration, quality two-dimensional code binding and debugging data injection, outputting a completion BIM model containing actual measurement data, and realizing a full-link digital closed loop of design, construction, operation and maintenance.

The invention provides a pool with an assembly type stress pool wall and a construction method, relates to the field of pool construction, and aims to solve the problems that in the prior art, the original pool wall is damaged due to the fact that the amount of embedded steel bars is large, and the requirement for pool transformation is difficult to meet. The embedded ribs are connected to the bottom of the middle newly-added pool wall component, the embedded ribs are embedded into the bottom plate of the pool body, compared with the prior art, the number of the embedded ribs is reduced, the anchoring assembly is arranged, the anchor cable penetrates through the two side walls and the middle newly-added pool wall and is tensioned through the anchorage device, lateral deformation of the middle newly-added pool wall due to the water level difference can be limited, and the water level difference is reduced. Lateral deformation accumulation is reduced, so that the overall stability of the structure is improved, and the problem of poor overall stability in the prior art is solved; through construction prefabrication and mechanical connection, on-site pouring operation is reduced, and the project implementation period is greatly shortened by shortening the concrete curing time.

The invention provides box girder bottom and web reinforcement cage framework streamlined production equipment, and belongs to the technical field of box girder prefabrication processing. The box girder bottom and web reinforcement cage framework streamlined production equipment comprises a moving seat which is linearly and slidably mounted on the ground, and a longitudinal bar fixing assembly is arranged at one end of a first rail; an automatic welding machine, a tidying mechanism and a stock bin are sequentially arranged on the moving seat in the direction that the moving seat slides away from the longitudinal bar fixing assembly, the stock bin is used for horizontally arranging and placing the combined stirrups, shifting assemblies are further arranged on the moving seat and located on the two sides of the stock bin, and the tidying mechanism is used for fixing the combined stirrups and positioning longitudinal bars; the automatic welding machine is used for welding the joints of the combined stirrups and the longitudinal bars on the arranging mechanism, and a supporting assembly is arranged below the moving seat. The combined stirrups can be taken out of the stock bin through actions of the arranging mechanism and the material stirring machine, then the automatic welding machine is used for welding, the moving seat moves backwards by a certain distance after one round of welding, the next round of welding of the combined stirrups is carried out, and the welding and manufacturing efficiency of a reinforcement cage framework is improved.

The invention provides a truss type steel structure magnetic levitation track panel, a track and a manufacturing method. The track panel is of a steel bolting modular truss track structure and is provided with at least three sleepers which are transversely distributed at intervals in parallel at equal intervals; the bottoms of the two ends of the sleeper are longitudinally bolted with n-shaped rails respectively; induction plate iron cores and skid rails are longitudinally mounted at the tops of the two ends of the sleepers respectively; a plurality of supporting pieces are longitudinally and uniformly distributed between adjacent sleepers, and the top ends of the supporting pieces are bolted with induction plate iron cores and skid rails; the induction plate iron core is modularly and detachably provided with a driving surface induction plate, and the skid rail is modularly and detachably provided with a skid plate; two magnetic pole faces are integrated at the bottom of the n-shaped rail, and a detection face is arranged between the magnetic pole faces. The device is stable and reliable in structure, convenient to maintain, excellent in adaptability, 100% in-plant prefabrication rate, reduced in installation linear control difficulty, improved in construction efficiency, reduced in maintenance cost and replacement cost, and suitable for popularization.

The invention provides a construction method for installing a large-span special-shaped beam curved template system, and belongs to the technical field of building construction. According to the construction method, accurate three-dimensional modeling is conducted on the shape of a special-shaped beam through a special-shaped curved surface parametric modeling algorithm, and material prefabrication is guided; eight oscillation excitation devices and twelve vibration monitoring devices are optimally arranged by using experimental design and a graph theory analysis method to form a dynamic monitoring network, vibration response data are analyzed in real time by using a wavelet transform monitoring algorithm, and the energy ratio of each frequency band is calculated as a quality evaluation index. A game optimization model is established, and according to different ranges of energy ratios, the support spacing is automatically adjusted, a back ridge fixing mode is combined or a supporting system is reinstalled, so that a comprehensive quality assurance system of accurate geometric modeling-dynamic state monitoring-intelligent parameter adjustment is constructed. The technical problem that the installation quality of a large-span special-shaped beam curved template system is difficult to guarantee is solved.

According to the prefabricated in-wall junction box assembly deepening design and installation method provided by the invention, through deepening design of junction box positioning, junction box cover plate deepening design and installation and prefabrication forms, collision between an electric appliance junction box and reinforcing steel bars is avoided, electromechanical professional one-time forming after a concrete structure is completed is realized, and the construction efficiency is improved. Deepened design and installation quality of an electrical major on a concrete structure are guaranteed, the processing period and the construction period can be shortened through prefabrication, and the purpose of controlling construction quality and progress is achieved. Through a prefabricated, parameterized and modularized deepening design method, the problems of positioning, collision and efficiency of traditional wire box embedding are solved, and comprehensive optimization of construction quality, progress and cost is achieved.

The invention discloses a combined structure of an assembled ditch and a retaining wall and a construction method thereof, and belongs to the technical field of agriculture and forestry land reclamation. The structure comprises a ditch and a retaining wall, the ditch is formed by interlocking and clamping a bottom plate and a wall plate through a broken-line-shaped groove and a tenon, and the outer side of the ditch is wrapped with hydraulic cloth and a hydraulic film in a layered mode to enhance the impermeability; the retaining wall adopts the right triangle buttress and the hollow reinforced concrete baffle, is fixed through the plug pin and is connected with the ditch through the inhaul cable in the threading pipe, so that the anti-overturning and anti-sliding stability is improved. The construction method comprises the steps of prefabricating the components, laying impermeable materials in a layered mode, conducting modular assembling, conducting backfilling and greening and the like. Through structure optimization and standardized prefabrication, the problems that a traditional cast-in-place structure is long in construction period, high in manufacturing cost and the like are solved, and the advantages of being rapid in assembly, multiple in seepage prevention, capable of saving cost and environmentally friendly are achieved. Compared with a cast-in-place scheme, the comprehensive manufacturing cost is reduced, the construction efficiency is remarkably improved, and the water and soil loss prevention and control effect is better.

The invention discloses a prefabricated welded water-stop steel plate column stirrup column penetrating structure, tool and construction method, and the construction method comprises the following operation steps: step 1, taking a section of water-stop belt steel plate as a column inner plate water-stop belt, and preparing a prefabricated welded water-stop steel plate column stirrup column penetrating tool, the prefabricated welded water stop steel plate column stirrup column penetrating tool comprises a fixing tool and a clamping tool, and a column inner plate water stop belt is fixed to the fixing tool; the invention relates to the technical field of water stop steel plate column penetrating construction, and has the beneficial effects that a column inner plate water stop belt and a multi-bend column stirrup are pre-welded and spliced in a factory through the prefabricated welding water stop steel plate column stirrup column penetrating tool to form a prefabricated assembly; during construction, only the prefabricated assembly needs to be directly sleeved with the longitudinal rib and bound, operation is easy, the construction efficiency is improved, the construction period is shortened, a large amount of welding work does not need to be conducted on a building site, and the safety coefficient is increased.