1324 results about "Prefabrication" patented technology

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 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 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 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 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 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.

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.

The invention discloses a construction method for prefabricating a concrete steel shell combined section in a factory, and relates to the technical field of bridge construction, and the construction method comprises the following steps: S1, manufacturing a wallboard unit; s2, the inner wall plate units are positioned, then the outer wall plate units are positioned, and then welding is conducted to manufacture steel shell segments; s3, annular structure concrete between the inner wall plate unit and the outer wall plate unit is poured, and steel shell concrete segments are formed; s4, secondary machining is conducted on the steel shell concrete segments; s5, vertical position continuous matching pre-assembly is carried out, after pre-assembly is completed, matching parts are installed, and marker lines are marked; s6, bridge site hoisting and positioning are conducted on the steel shell concrete sections; s7, outer wall plates of the steel shell concrete sections are subjected to butt-joint penetration welding, and then inner wall plates are welded; and S8, concrete pouring is conducted on bridge site ring openings of the steel shell concrete sections, and machining is completed. The technical problem that the construction period is prolonged due to prefabrication of the steel shell sections of the steel shell concrete tower in the prior art is solved.

The invention provides a building electromechanical pipeline modular construction method based on the BIM technology, and relates to the technical field of BIM. The method comprises the steps that comprehensive arrangement of project pipelines is conducted through the BIM technology, adjustment is conducted according to cross collision occurring in the installation process, a support is designed, and support stress is rechecked; the method comprises the following steps of: designing a comprehensive pipeline of a region in BIM software in detail according to nodes, dividing the comprehensive pipeline into electromechanical pipeline installation modules of one unit, and providing a pipeline module three-view; module prefabrication is conducted according to the requirements of a BIM module drawing, after prefabrication is completed, segmented comprehensive electromechanical pipelines are assembled on a manufactured assembly frame, and transportation is conducted after assembly; and an overall installation scheme is planned according to the overall pipeline installation area, the bearing capacity of a floor or a beam is rechecked, and segmented hoisting or lifting and overall module splicing of the pipeline unit modules are carried out. The comprehensive quality and construction safety of the electromechanical pipeline system are improved.

The invention discloses a self-resetting multi-section prefabricated assembled pier and a construction method, the self-resetting multi-section prefabricated assembled pier comprises a prefabricated cover beam, a pier column and a pier bearing platform, the pier column is formed by splicing a plurality of prefabricated sections, and is connected with the prefabricated cover beam through the prefabricated section located at the top; the prefabricated bent cap is connected with the pier bearing platform through a prefabricated section located at the bottom in a bell and spigot joint mode, and the non-adhesive prestressed tendons are connected with the prefabricated bent cap and the pier bearing platform and provide self-resetting capacity for the pier. According to the multi-section prefabricated assembled pier with the self-resetting capacity and the construction method, the formworks are prefabricated in a unified mode in a factory, the efficiency is improved while the prefabrication and construction cost is reduced, the mode of prefabricated section splicing and shallow socket connection is adopted, construction in narrow and complex terrains is facilitated, prestressed tendons used for self-resetting are arranged, and the construction efficiency is improved. The overall anti-seismic performance is improved, the integrity, rigidity and bearing capacity of the assembled pier are improved, the service life is prolonged, and meanwhile the maintenance cost is reduced.

The invention relates to a breakwater structure for wave power generation and a construction method of the breakwater structure. The breakwater structure comprises a lower barrel body, an upper caisson and a power generation device. A compartment is arranged in the upper caisson, and the power generation device is installed in the compartment. A wave inlet hole is formed in the wave facing side of the upper caisson, a cast-in-place adjusting node is arranged on the top of the upper caisson, and a wave wall, a cable pipe trench, a detachable road plate and an overhauling device are sequentially arranged above the node. The breakwater structure and the wave power generation system are integrated by adopting standard barrel type foundation factory prefabrication and floating transportation installation and combining cast-in-place joint leveling and the detachable road plates. The structure has the advantages of being convenient to construct, controllable in cost, stable in structure, convenient to maintain and the like, is suitable for wave power generation under medium and small wave conditions, and is particularly suitable for green power supply and coast protection in areas such as ports and islands.

The invention discloses a UHPC (Ultra High Performance Concrete) formwork-removal-free combined node linear coupling beam shear wall and a construction process thereof. The UHPC formwork-removal-free combined node linear coupling beam shear wall comprises a post-cast reinforced concrete shear wall, a UHPC formwork-removal-free, a laminated slab, a concrete-filled steel tube positioning bolt and a shear wall embedded column, the UHPC non-dismantling formwork comprises a non-perforated formwork body and a perforated formwork body, perforated steel plates are evenly pre-buried in the inner side of the non-perforated formwork body and evenly pre-buried in the inner side of the perforated formwork body, round holes are reserved in the corresponding positions of the perforated steel plates, one side of a screw sequentially penetrates through the round holes of the perforated formwork body and the perforated steel plates, and the screw is arranged between the perforated formwork body and the non-perforated formwork body. The other side of the screw rod is preliminarily fixed through a first nut on the inner side of the non-perforated formwork, and U-shaped shear nails are arranged on the inner side of the non-perforated formwork and the inner side of the perforated formwork. According to the UHPC formwork-removal-free combined type node linear coupling beam shear wall and the construction process thereof, on-site quick assembly sealing and precise assembly are achieved, the formwork removal procedure is omitted, the assembly rate is increased, and the later maintenance cost is reduced.

The invention discloses a steel box girder precise alignment aerial hoisting method, and relates to the technical field of steel structure building construction. S2, alloying treatment is carried out; s3, cold rolling and intermediate annealing; s4, coating treatment is carried out; and S5, quality detection. According to the invention, the hoisting process is monitored in real time, real-time monitoring and feedback are carried out in the hoisting process, the position and posture of the steel box girder are obtained through measurement data, the deviation value can be calculated through analysis of the central control system, and the action of the hoisting equipment is adjusted according to the deviation information, so that the dynamic adjustment of the steel box girder is realized; precise alignment of the steel box girder is realized in dynamic adjustment, so that errors during mounting are reduced, precision during hoisting is guaranteed, prefabrication precision of the steel box girder is controlled, and structural performance can be guaranteed and structural durability can be enhanced by re-checking flatness and size and accurately controlling pre-camber after welding.

A tall building with an irregular rectangular facade contour comprises a structure body with a rectangular section, a concave-convex type curtain wall system located on one opposite side of the structure body and a broken line type curtain wall system located on the other opposite side of the structure body, and the broken line type curtain wall system comprises newly-added steel structures and floor slabs which are arranged on the side edges of the structure body at intervals. The newly-added steel structure and building comprises a post-pouring concrete block and a steel support supported between the bottom of the post-pouring concrete block and a structure body, steel bars are arranged in the post-pouring concrete block, the cross section of the post-pouring concrete block is in a right-angle triangle shape, and the steel bars are implanted into the structure body. The dynamic sense and attractiveness of the building appearance are enhanced, the construction process is simplified, factory prefabrication and standardized production are allowed through the design of the single hoisting unit body, the on-site machining and adjusting time is shortened, and therefore the installation efficiency is greatly improved, and the labor cost is reduced.

The present application relates to the technical field of nuclear power plant construction, and specifically relates to a method for hoisting a rebar cage for a reactor core of a nuclear power plant. The method comprises the following content: on the basis of a reactor core structure, dividing a rebar cage into a plurality of modules; adapting rebar connection joints to the rebar cage modules; performing rebar cage tool prefabrication in each rebar cage module; on the basis of the prefabricated tool, fabricating a module hoisting tool, and performing a static load test on the module hoisting tool; assembling the rebar cage modules on the ground to form a complete rebar cage; on the basis of the weight and hoisting radius of the complete rebar cage, adapting a lifting sling; and hoisting the complete rebar cage by means of hoisting equipment and the lifting sling. According to the present application, construction costs can be reduced and construction efficiency can be improved.

The invention discloses a deck-type arch bridge deck linear control method and system, and the method comprises the following steps: S100, carrying out the precise measurement of the center coordinates of a column foot of a vertical column through a measuring instrument after the closure of arch ribs, and calculating the blanking length of the vertical column according to the measured data and a displacement influence matrix; and S200, according to the determined stand column blanking length, stand column prefabrication work is carried out, and after stand column construction is completed, bent cap hoisting work is carried out. After hoisting is completed, the coordinates of the top face of the bent cap are measured, and the correction value of the height of the support padstone is calculated; and S300, after construction of the support cushion stone is completed, main beam hoisting is conducted, after hoisting of the main beam is completed, coordinates of the top face of the main beam are measured, and the bridge deck line shape is finely adjusted through a bridge deck pavement layer so that the bridge deck line shape can reach the designed line shape. According to the method, a staged three-time correction strategy is adopted, the influence matrix and the pre-camber distribution model are combined, the arch building structure parameters are adjusted at a time, the bridge deck linear precision is remarkably improved, the construction efficiency is improved, and the period and cost are saved.

The invention discloses a three-dimensional layered modular distribution box with a quick assembly structure, and belongs to the technical field of distribution boxes, and the three-dimensional layered modular distribution box with the quick assembly structure comprises an inner container assembly, an assembly frame is installed outside the inner container assembly, and a shell assembly is installed outside the assembly frame. An isolation cabinet door is installed at the end, close to an opening of the inner container assembly, of the splicing frame, a rapid installation assembly is installed at the end, away from the isolation cabinet door, of the inner container assembly, and an element installation frame is fixedly connected to the inner side of the inner container assembly. According to the invention, through a three-layer complete modular structure of the inner container, the frame and the shell, prefabrication in a factory is realized, box body final assembly can be completed only through one-time insertion and one-time pressing on site, the average assembly time is greatly shortened compared with the traditional time, and rapid and modular whole flow and tool minimization of the distribution box from wall body installation, box body structure assembly to internal element adjustment are realized; and the installation efficiency and the flexibility are obviously improved.

The multi-arc-shaped decorative curtain wall system comprises a supporting keel system and a multi-arc-shaped decorative plate, supporting keels are connected with a main body structure through connecting plate sets, and the supporting keels are filled with heat preservation layers; the multi-arc-shaped decorative plate is formed by horizontally splicing double-arc-shaped plates, U-shaped groove plates are arranged on the inner sides of the double-arc-shaped plates and connected with the inserting plates in an inserted mode, and the double-arc-shaped plates are vertically connected with rhombic cavity inserting cores formed by the stiffening plates, so that multi-direction freedom degree adjustment is achieved. The supporting keel system adopts a hanging connection type inner side plate and a splicing outer side plate, an elastic expansion joint structure is combined, and the problems that a traditional curtain wall is poor in curved surface adaptability and joints are prone to water leakage are solved. And meanwhile, positioning and prefabrication are optimized through a BIM model in construction, and the installation precision is improved. The method has the complex curved surface modeling capacity, high waterproof performance and high construction efficiency, and is suitable for modern special-shaped building curtain wall engineering.

The invention discloses a concrete prefabricated T beam erection method capable of avoiding stress concentration in a hoisting process, which relates to the technical field of concrete prefabricated T beam erection and comprises the steps of hoisting equipment synchronism control, dynamic load control, defect detection and treatment in a prefabrication stage, hoisting point arrangement optimization and beam body fixation and protection. Through synchronous control, dynamic load control and defect detection and treatment in the prefabrication stage of the hoisting equipment, and optimization of hoisting point arrangement and fixation and protection of the beam body, the problem of stress concentration caused by various factors during hoisting of the concrete prefabricated T-beam in the prior art can be effectively solved, structural damage such as distortion and cracks of the beam body is avoided, and the construction quality of the concrete prefabricated T-beam is improved. The structure integrity and safety of the beam body are improved, the quality of bridge engineering is ensured, and due to the fact that the beam body is evenly stressed in the hoisting process, sudden structural damage caused by stress concentration is avoided, so that the safety risk in the construction process is greatly reduced, and the life safety of constructors and the smooth proceeding of the engineering are guaranteed.

The invention discloses an assembly type steel structure modularized house structure which comprises a steel structure frame, modularized floor slabs and inner wall plates, the modularized floor slabs and the inner wall plates are installed on the steel structure frame, the steel structure frame comprises a plurality of steel stand columns, first transverse steel beams and longitudinal steel beams, and node connecting pieces are arranged in the length direction of the steel stand columns; according to the structure, the shear resistance and torsion resistance are enhanced on the joint, a section of energy dissipation is arranged on the joint to improve the anti-seismic property, modular prefabrication is further arranged, and rapid installation is facilitated.

The highway tunnel assembly type secondary lining structure prefabrication and assembly integrated construction equipment comprises an inverted arch hoisting system, a pipe piece hoisting system, a pipe piece feeding system and a pipe piece assembly system, and the inverted arch hoisting system is used for hoisting inverted arch prefabricated parts and enabling the inverted arch prefabricated parts to move in the first direction so as to complete assembly of the inverted arch prefabricated parts; the duct piece hoisting system is used for hoisting the duct piece prefabricated part and moving the duct piece prefabricated part to one side of the duct piece hoisting system in the second direction; the duct piece feeding system is used for enabling the duct piece prefabricated part to move towards the side away from the duct piece hoisting system in the first direction; the duct piece assembling system is used for adsorbing and fixing the duct piece prefabricated parts provided by the duct piece feeding system and assembling the duct piece prefabricated parts to form an arch ring. According to the construction equipment, integrated precise control over the links such as transportation, hoisting and splicing of the inverted arch and the arch ring can be achieved at the same time, the field splicing efficiency is effectively improved, the construction precision and quality are guaranteed, the construction period is shortened, and the number of personnel input is reduced.