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160 results about "Assembly (construction)" patented technology

Temporary supporting system for splicing construction of wind power concrete tower drum

The invention relates to the technical field of wind power concrete tower drum assembly construction, in particular to a wind power concrete tower drum assembly construction temporary supporting system which comprises a supporting rod, two telescopic assemblies are arranged in the supporting rod, and a clamping rod is slidably connected into the telescopic assembly located at the lower end. A mounting rod is slidably connected into the telescopic assembly located at the lower end, a positioning plate is fixedly connected to the mounting rod, a guide slope block is fixedly connected to the upper end of the positioning plate, a slow descending slope block is fixedly mounted at the lower end of the positioning plate, a rotating sleeve is rotatably connected to the upper end of the supporting rod, and a ball assembly is arranged in the rotating sleeve. Rapid alignment and stable attachment of the tower drum are achieved through the telescopic assembly, the rotating sleeve and the like. The process is simplified through mechanical driving, the labor intensity is reduced, and the construction efficiency is improved; supporting is stable, buffering and falling prevention are achieved, and construction safety is guaranteed; the modular design is suitable for tower barrels of various specifications, repeated use can be achieved, and the construction cost is greatly reduced.
Owner:CHINA ENERGY ENG GRP TIANJIN ELECTRIC POWER CONSTR CO LTD

Efficient connecting structure for building assembly construction reinforcing steel bars

ActiveCN224187049Ufast connectionHigh axial limit strengthBuilding reinforcementsArchitectural engineeringAssembly (construction)
The utility model relates to an efficient connecting structure for building assembly construction reinforcing steel bars, and effectively solves the problems of high difficulty and low efficiency of end connection of assembly type building reinforcing steel bars. According to the technical scheme, the device comprises two first connecting pipes and a second connecting pipe, external threads are arranged on the outer walls of the first connecting pipes, the screwing directions of the external threads on the two first connecting pipes are opposite, a first internal thread matched with the external threads is arranged at each end of the inner wall of the second connecting pipe, and the screwing directions of the two first internal threads are opposite; an axial avoiding groove is formed in the side wall of the first connecting pipe, one end of the avoiding groove is an open end, the other end of the avoiding groove is a closed end, and the open end is communicated to one end face of the first connecting pipe; the steel bar connecting device greatly improves the steel bar connecting speed, obviously reduces the connecting difficulty, is simple and practical, and has higher axial limiting strength.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD

Segmental assembly corrugated steel web hybrid girder bridge and construction method thereof

The invention relates to the technical field of bridges, and provides a segment-assembled corrugated steel web mixed girder bridge and a construction method thereof.The areas, close to bridge piers, of side spans and middle spans are composed of first-class girder sections, and each first-class girder section comprises a first concrete top plate, a first concrete bottom plate and a first corrugated steel web; the midspan area is composed of a second type of beam sections and comprises a steel bottom plate, an ultra-high performance concrete combined top plate and a second corrugated steel web; and the combined beam section is connected between the two beam sections to realize smooth transition. Through the longitudinal partition structural design, the advantages of the respective materials are fully played, the side span-mid span ratio can be compressed to 0.35-0.60, and the span capacity is remarkably improved. An ultra-high-performance concrete combined top plate is adopted in the midspan, and the dead weight is reduced by 50%; the steel bottom plate is used for replacing a concrete bottom plate, and the cracking risk of the midspan bottom plate is thoroughly eliminated. Segmental prefabrication and assembly construction is adopted, the process is standardized, the adaptability to soft foundations is high, and the problems of midspan downwarping and web cracking are solved.
Owner:HUNAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD +1

Prefabricated shear wall structure and construction method thereof

The application provides an assembled shear wall structure and a construction method thereof, and relates to the technical field of buildings. After the installation and fixation of a lower prefabricated wall are completed, a prefabricated beam is hoisted, a beam end connecting assembly at the end of the prefabricated beam is connected with a lower wall top connecting assembly arranged at the top of the lower prefabricated wall, after the connection is completed, the prefabricated floor is hoisted, the prefabricated floor is placed on the prefabricated beam or the top of the lower prefabricated wall, then an upper prefabricated wall is hoisted, an upper wall bottom connecting assembly on the upper prefabricated wall is connected with the lower wall top connecting assembly, thereby the connection of the prefabricated beam, the upper prefabricated wall and the lower prefabricated wall is completed, the installation process does not need to set a temporary support and wait for the strength formed by post-poured concrete, the continuous and rapid assembly construction can be realized, the construction period is effectively shortened, and the technical problem that the connection between the prefabricated concrete floor and the shear wall, the beam and the shear wall in the prior art needs to use a grouting sleeve connection construction period which is long and needs to use an additional temporary support structure is solved.
Owner:POWERCHINA HUADONG ENG CORP LTD

Fully assembled hollow panel building structure and method of erection thereof

The application discloses a full-assembly hollow plate type building structure and a mounting method thereof, and belongs to the technical field of building industrialized assembly type structures, and aims to solve the problems of large on-site wet work amount, welding or bolt connection, complex construction and large self-weight of components of an existing plate type assembly building connecting joint. The full-assembly hollow plate type building structure is characterized in that: prefabricated hollow floor slabs with bidirectional lengthways bottom reinforcement and bidirectional support surface reinforcement and prefabricated hollow wall slabs with double-layer bidirectional steel mesh are adopted; wall slab connecting pieces and wall slab connecting pieces with toothed plates are pre-welded and formed in a factory; a closed rectangular steel pipe-shaped cavity is formed by toothed plate occlusion at a corner part on site, and concrete is poured to form a rectangular steel pipe concrete column; upper and lower prefabricated hollow wall slabs are connected by setting wall slab vertical lap reinforcement in a second hollow channel and filling components by post-pouring connection; zero welding, no bolt connection and less wet work in full-assembly construction are realized; and the overall stress performance of the building is ensured by a unique joint structure.
Owner:CCCC FHDI ENG

A method for reinforcing and quickly recovering a steel sheet pile support in a coastal soft soil layer

ActiveCN117403667BSupporting systemPipe
The application discloses a method for reinforcing and supporting soft soil layers along a coast and rapidly recycling steel sheet piles, and the construction method comprises the following steps: measuring data, formulating a construction scheme, conducting a construction test, correcting a theoretical analysis, organizing implementation, implementing deviation correction, and recycling materials. According to the method, the pore water in the soil is slowly drained by arranging vertical drainage plates, the pore ratio is reduced, the foundation is deformed, the strength of the foundation soil is gradually increased, the drainage distance is shortened by arranging the vertical drainage plates, the consolidation of the foundation is accelerated, the preloading period of the preloading project is shortened, the foundation can reach a good consolidation effect in a short period of time, the growth of the shear strength of the foundation soil is accelerated, the rate of the improvement of the bearing capacity of the foundation is always greater than the rate of the increase of the construction load, and the stability of the foundation is ensured, the vertical supporting system is formed by combining the lock buckle of the pipe pile and the steel sheet pile, so that the rapid enclosure construction is facilitated, the pipe pile and the steel sheet pile are convenient to disassemble and recycle, and the prefabricated assembly construction is realized.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +1

Mould for prefabricating double-skin wall component

The utility model provides a prefabricated double-wall component mold, which belongs to the technical field of prefabricated double walls and comprises an upper bottom flange, a lower bottom flange, a plurality of left flanges, a plurality of right flanges, an upper top flange, a lower top flange and splicing square steel. The number of the upper bottom flange and the lower bottom flange is two, and one of the upper bottom flange and the lower bottom flange is installed on the lower side of the left-right flange. By arranging the upper and lower bottom flanges, the left and right flanges and the upper and lower top flanges and adopting the multi-combined type detachable formwork assembly, after the first wall body is poured, the formwork assembly of the second wall body can be directly installed, then the first wall body is poured, assembling of the two wall bodies is not needed, the construction procedure is simple, and consumed time is short; the product and the mold do not need to be turned over, so that expensive special equipment is not needed, one-time forming is basically achieved, the obtained prefabricated double-skin wall is better in integrity, higher in strength and precision and short in mold turnover time, and the mold cost is greatly reduced.
Owner:HEBEI SHUNAN YUANDA ENVIRONMENTAL PROTECTION TECH CO LTD

Fabricated prestressed variable cross-section concrete filled steel tube pier

The utility model discloses an assembly type prestress variable cross-section concrete filled steel tube pier which comprises an upper steel cylinder, a middle steel cylinder, a lower steel cylinder and four groups of steel strands, and the upper steel cylinder, the middle steel cylinder and the lower steel cylinder are coaxially, sequentially and fixedly connected from top to bottom. A concrete column body is arranged in each steel cylinder, four threading holes are formed in each concrete column body, the threading holes in any two adjacent concrete column bodies are in one-to-one correspondence, each group of steel strands are arranged in the corresponding threading holes in the vertical direction in a penetrating mode, an upper anchorage device is arranged at the upper end of each group of steel strands, and a lower anchorage device is arranged at the lower end of each group of steel strands. And after the prestressed tension of each group of steel strands is completed, mortar is poured into each threading hole, and after the mortar is solidified, the mortar and each concrete column body form an integrated structure. The bridge pier is manufactured in a factory in a segmented mode, quality control is facilitated, transportation is convenient, the construction period can be greatly shortened, the construction difficulty and the engineering cost are reduced, steel strand prestress tensioning assembly construction is adopted, and the overall stability and the anti-seismic performance of the bridge pier are effectively improved.
Owner:王静

Large-space air duct prefabrication modular rapid assembly construction method

The invention discloses a large-space air duct prefabrication modular rapid assembly construction method, and particularly relates to the technical field of building engineering construction, the method comprises the following steps: S1, digital design and modular planning; s2, factory intelligent prefabrication production is carried out; s3, on-site accurate measurement and positioning; s4, standardized installation of the support hanger; and S5, quickly assembling the air duct module. According to the method, static design is upgraded into dynamic adjustable intelligent planning through a closed loop of BIM, 4D construction simulation and self-adaptive adjustment, collision is avoided in the design stage, field change can be actively adapted in the construction stage, the first-pass yield of construction is greatly improved, rework caused by design change and field errors is reduced, and the construction efficiency is improved. The air duct module is accurately, stably and efficiently hoisted, so that the high-altitude manual assembly workload is reduced, the overturning risk in the hoisting process is completely eradicated, and the safety and the hoisting efficiency are both improved.
Owner:山西七建集团有限公司

High-strength steel connecting assembly convenient for field assembly construction

The utility model discloses a high-strength steel connecting assembly convenient for field assembly construction. The high-strength steel connecting assembly comprises a stand column connecting column, the first connecting assembly is installed on the outer side of the stand column and used for achieving rapid assembly; and the second connecting assembly is mounted on the outer side of the connecting column and is used for realizing quick assembly. The second main connecting piece and the second auxiliary connecting piece in the second connecting assembly are connected to the end of the connecting column in a sleeved mode, locking installation is carried out through the second bolt assembly, and therefore the situation that the strength of the square pipe is weakened due to the fact that holes are punched in the surface of the square column can be avoided; finally, a positioning hole in the second connecting assembly is in butt joint with a positioning hole in the first connecting assembly, and the first connecting assembly and the second connecting assembly are quickly assembled and constructed by beating a bolt, so that falling caused by the fact that welding is easily affected by stress and time can be avoided; therefore, the device can be used for mounting square columns of different gears in a detachable manner.
Owner:ANHUI YIHONG CONSTRUCTION ENGINEERING CO LTD

Air cooling system modular assembly construction method and construction equipment

The present application relates to a kind of air cooling system modular combination assembly construction equipment and construction method, belong to air cooling system construction technical field.The equipment includes crane and the mobile tray for supporting wind cylinder and guard net, mobile tray outside is equipped with multiple horizontal offset detection components, angle offset detection component is equipped on horizontal offset detection component.The crane of the present application hoists wind cylinder before, wind cylinder and guard net are assembled on mobile tray, multiple horizontal offset detection components constitute annular detection piece, when crane hoists wind cylinder, wind cylinder offset is measured by annular detection piece and angle offset detection component, so that crane adjusts lifting position and lifting angle, by the combination of each unit of air cooling system into module on ground, the problem that there is not enough crane station and cross operation with other construction units is solved, reasonably utilize the narrow construction condition on site, safely, quickly install, shorten construction period, reduce construction cost.
Owner:CHINA NAT CHEM ENG THIRD CONSTR

Green low-carbon building civil engineering integration efficient construction building method

The application belongs to the field of green building and building construction technology, and specifically discloses a green low-carbon building civil engineering integrated efficient construction building method. In view of the problems of design construction disconnection, multi-specialty cross conflict, high carbon emission and serious resource waste in traditional building civil engineering construction, the application constructs a 'cooperative design-factory prefabrication-assembly construction-low-carbon operation and maintenance' integrated system, and the method comprises the following steps: multi-specialty cooperative deepening design and carbon emission calculation based on BIM; factory prefabrication of low-carbon concrete components and integration of thermal insulation structure exterior wall; on-site assembly type construction and dry method connection; renewable energy system and photovoltaic building integrated synchronous installation; and whole life cycle carbon footprint monitoring and closed loop optimization. The application realizes the synchronous construction of the envelope structure and the main structure by driving the deep integration of industrialized production and assembly type construction through digital design, so that the construction period can be shortened, the whole life cycle carbon emission of the building can be reduced, and the civil engineering integrated green construction is realized.
Owner:五矿二十三冶建设集团有限公司 +1

Method for monitoring and regulating energy consumption and carbon reduction in general assembly construction production link

The application provides a kind of total assembly construction production energy consumption dynamic monitoring and energy saving and carbon reduction regulation method, comprising: S1, the data related to energy consumption in each process in industrial production cycle is collected;S2, an energy consumption prediction model is constructed, the energy consumption prediction model includes mechanical power energy consumption prediction model and heat process improvement energy consumption prediction model;S3, the data collected in step S1 is input into the energy consumption prediction model constructed in step S2, and relevant energy consumption prediction data is obtained;S4, the energy consumption prediction data is converted into carbon emissions, and the total carbon emissions are obtained based on the carbon intensity coefficient calculation of energy type;S5, the total carbon emissions are input into the multi-objective genetic algorithm to generate the Pareto optimal solution set, and the best combination of energy consumption and carbon emissions is obtained.The application organizes energy consumption cost, carbon emission intensity and production efficiency through multi-objective optimization algorithm, realizes global optimal decision under equipment cooperation and dynamic working condition, and effectively adapts to the complex demands of multi-variety and small-batch production.
Owner:SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD +1

A prefabricated building accessory size calibration device

The application relates to the technical field of size measuring equipment, and discloses a prefabricated building accessory size calibration device which comprises a rack and further comprises a calibration table, a calibration ruler, a screening mechanism, a positioning mechanism and a cutting mechanism. The calibration table is slidably arranged in the rack, the calibration table is provided with a moving mechanism, the calibration ruler is arranged on the rack, the calibration table is provided with an indicating arrow, the screening mechanism is arranged on the rack, the screening mechanism comprises a screening plate, the screening plate is rotationally arranged in the rack, a pressing plate is slidably arranged on the screening plate, the positioning mechanism is arranged on the rack, the positioning mechanism comprises a positioning block, the positioning block is arranged on the rack, and the cutting mechanism is arranged on the rack. Through the technical scheme, the problem that the accuracy of measuring the steel structure by an operator holding a tape measure is poor, and it is not easy to complete the assembly construction of the steel structure in some high-precision building positions with a little deviation is solved.
Owner:QINHUANGDAO JINGGONG LVZHU INTEGRATED TECH CO LTD

Fluidized solidified soil backfill deeply-buried underground pipeline and construction method

According to the deeply-buried underground pipeline backfilled with the flow-state solidified soil and the construction method, combined supporting of the steel sheet piles, the full-length steel waist beams and the inner supports is adopted, a reliable supporting system which is high in rigidity and small in deformation is provided for a deep narrow groove, the construction safety of a foundation pit is greatly improved, displacement of surrounding soil is effectively controlled, adjacent buildings and pipelines are protected, and the construction period is shortened. Meanwhile, the supporting period can be remarkably shortened through assembly construction; groove foundation pit combined supporting is adopted in the influence range of an existing pipeline, and for a sensitive area adjacent to the existing pipeline, through refined and differentiated supporting combination, the excavation safety of a deep groove is ensured, and meanwhile additional stress and disturbance generated by construction to the existing pipeline are reduced to the maximum extent; the integrated protective shed is adopted to achieve integration and mechanization of backfilling and maintenance procedures, it is ensured that the fluid solidified soil is condensed and hardened under the optimal condition, shrinkage cracks are avoided, the uniformity, the overall strength and the long-term water stability of a backfilling body are guaranteed, and the construction quality and efficiency are greatly improved.
Owner:ZHEJIANG SHIRUN JIANCHUANG TECH DEV CO LTD

Precise positioning and welding universal device for multi-model tunnel steel arch connecting steel plates

The utility model belongs to the technical field of tunnel steel arch machining, and particularly relates to a universal device for accurate positioning and welding of multi-model tunnel steel arch connecting steel plates. The device comprises a longitudinal steel plate, a transverse steel plate, a positioning bolt, a transverse positioning adjusting mechanism and a fixing clamp, the transverse steel plate is connected to one plate face of the longitudinal steel plate, and the bottom edge of the transverse steel plate is perpendicular to the axis of the longitudinal steel plate to form a T-shaped structure. The positioning bolt is connected to the other plate surface of the longitudinal steel plate; the transverse positioning adjusting mechanism is vertically connected to the plate surface of the transverse steel plate; the fixing clamps are connected to the upper surfaces of the transverse steel plates. When the connecting plates are welded to the ends of the steel arch segments, accurate positioning can be achieved, the problem that bolt holes are not aligned when two adjacent arch segments are assembled on site is effectively solved, the defective rate is reduced, and the construction efficiency of assembling the tunnel preliminary bracing steel arch on site is improved. The device is suitable for welding and processing the end connecting steel plates of the I-shaped steel arches with different specifications and models, and is high in applicability.
Owner:CCCC SECOND PUBLIC BUREAU FIFTH ENG CO LTD

Civil engineering protection support

The utility model discloses a kind of protective support for civil engineering and construction, it is related to building assembly technical field;And the utility model includes chassis, the upper surface of chassis is fixedly provided with hollow pole, the inside of hollow pole is slidably provided with support rod, and the one end of support rod is fixedly provided with fixed frame, support assembly is set on fixed frame, and lifting assembly is set on hollow pole and chassis;Support assembly includes U-shaped bracket, two limit plates are slidably arranged in U-shaped bracket;In the utility model, by the support assembly, the butt joint of single or double ventilation ducts in the process of assembly construction can be supported and limited by the action of U-shaped bracket, two limit plates and stud in support assembly, so as to improve the convenience of ventilation duct assembly construction operation, and then improve the efficiency of ventilation duct assembly construction, while avoiding the safety accident caused by falling of ventilation duct due to lack of support, and then reduce the risk coefficient of ventilation duct assembly construction.
Owner:ANHUI XINTONG CONSTR GRP CO LTD

Integrated lining prefabrication and assembly comprehensive construction method for tunnel bottom kilometer detection and drilling and blasting equipment of small-section tunnel of plateau railway

The invention relates to a plateau railway small-section tunnel bottom kilometer detection and drilling and blasting equipment integrated lining prefabrication and assembly comprehensive construction method. The method comprises tunnel bottom advanced kilometer detection operation, drilling and blasting supporting multifunctional integrated operation, secondary lining prefabrication and assembly operation and deeply-buried ditch pipe joint pushing type operation. According to the method, kilometer-level advanced geological forecast and pressure relief drainage, small-section drilling and blasting equipment integrated construction, full-ring prefabricated lining assembly construction and deeply-buried ditch pushing arrangement are sequentially achieved, and whole-process integrated construction is formed.
Owner:CHINA COMMUNICATIONS CONSTRUCTION

Pipe bridge pier grading and limiting design method and device based on time history analysis method

This invention relates to the field of pipeline crossing structure safety technology in oil and gas transportation and water conservancy distribution engineering, specifically to a graded limiting design method and device for pipeline bridge supports based on time history analysis. The design method includes disc spring selection and parameter design, initial setting of graded limiting structure parameters, time history analysis verification and parameter optimization, device assembly and construction, and graded limiting layout. The supporting device includes disc spring assemblies, disc spring bases, upper pressure plates, limiting supports, and other components. The disc spring assemblies are made of stacked alloy steel, and the limiting supports have a Z-shaped structure with stiffening ribs. Each component is precision-machined and wear-resistant, and is fixed to a PTFE sliding plate with high-strength bolts. A sleeve provides sealing protection. This invention features a refined design, convenient installation, precise limiting, high stability, and flexible adjustment of the gap and disc spring combination to adapt to different pipeline bridge working conditions. It can effectively limit the lateral over-limit displacement of the pipeline bridge, avoid disc spring eccentric instability, and ensure the structural safety of the pipeline bridge under loads such as earthquakes and water hammer.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD +1

A quickly spliced assembly type cylindrical structure

This invention relates to the field of civil engineering structural technology, specifically to a rapidly assembled prefabricated cylindrical structure, comprising a top-layer cylindrical component, at least one standard-layer cylindrical component, and a bottom-layer cylindrical component arranged sequentially from top to bottom. Each of the top-layer, standard-layer, and bottom-layer cylindrical components is assembled from multiple precast reinforced concrete cylindrical segments. These segments include several convex and concave cylindrical segments. Vertical grouting sleeves, annular steel pipes arranged circumferentially, and pre-reserved reinforcing bars extending from their upper surfaces are pre-embedded within the walls of both the convex and concave segments. This invention breaks down the overall cylindrical structure into standardized, miniaturized precast cylindrical segments, facilitating mass production in factories and conventional transportation. It significantly reduces reliance on prefabrication sites, specialized equipment, and hoisting conditions, making it suitable for various constrained engineering environments and enabling efficient, economical, and high-quality rapid assembly construction.
Owner:CHINA STATE CONSTR PORT ENG GRP

Combined top iron of rectangular top pipe

The application discloses a combined top iron of a rectangular top pipe, which comprises four basic top iron blocks, the basic top iron blocks are trapezoidal, the four basic top iron blocks are arranged in the positions of the four sides of a rectangle, two adjacent basic top iron blocks are detachably connected through a corner connecting block, a quick release device is arranged in the cavity in the middle of the basic top iron block, a plurality of connecting rods are symmetrically arranged at the two ends of the quick release device, the connecting rods are slidably arranged in the cavity of the basic top iron block, one end of the connecting rod is connected with the quick release device, and the other end of the connecting rod extends out of the end surface of the basic top iron block; and a plurality of connecting grooves for the insertion of the connecting rods are arranged on the corner connecting block. The application aims to provide a combined top iron of a top pipe, which is controllable in overall quality, convenient to assemble and short in construction period.
Owner:SUZHOU UNIV +3

Chassis control method for photovoltaic module paving robot

The invention discloses a photovoltaic module paving robot chassis control method which comprises the following steps: after signals of a front material frame and a rear material frame in front of and behind a photovoltaic module paving robot are obtained, the lifting process of a photovoltaic module paving robot chassis is controlled in combination with concave and convex signals of the ground of a walking construction site. The chassis control area module collects signals of the rear material frame sensor group and the rear material frame multi-way valve and signals of the front material frame sensor group and the front material frame multi-way valve, and judges whether gravity change is caused by construction of the photovoltaic panel assemblies on the rear material frame and the front material frame or not; after elimination, a walking multi-way valve signal is combined to judge that the ground of a construction site is uneven, and then a chassis domain control module controls a chassis of the photovoltaic module paving robot to lift, so that the requirement that the chassis needs to be controlled by collecting more data urgently in the walking process is met.
Owner:中国电建集团贵州工程有限公司

Roof steel truss splicing construction structure

The utility model discloses a roof steel truss assembly construction structure which comprises an installation platform, a lifting support and a steel truss body, the installation platform is provided with the lifting support, the lifting support is provided with a hydraulic lifter, and the hydraulic lifter is connected with the steel truss body through a steel strand body and a lifting appliance; the steel truss body comprises an upper-layer frame and a lower-layer frame, the lower-layer frame comprises jig frames, longitudinal main beams and connection secondary beams are arranged between the jig frames, and vertical web members connected with the upper-layer frame are arranged at the intersection points of the longitudinal main beams and the connection secondary beams. Temporary supporting rods matched with the lower-layer frame are arranged on the side walls of the vertical web members, and diagonal web members are arranged between the upper-layer frame and the lower-layer frame. The roof steel truss splicing construction structure is ingenious in design and practical in function, and effectively solves the problems that in traditional ground splicing, horizontal steel truss splicing is adopted, components need to be turned over, the cost of construction machinery is high, and the safety risk is large.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +3

Double-side box steel-concrete composite beam standard section cantilever assembly construction method

The invention relates to the technical field of bridge intelligent construction, in particular to a bilateral box steel-concrete composite beam standard section cantilever assembly construction method which comprises the steps that a steel main beam of a standard section is hoisted through a hoisting point; inputting structural parameters, real-time wind field data and real-time temperature field data of the steel main beam, and calculating a spatial deviation value of the steel main beam through a coupling solver; reversely calculating the pre-compensation expansion and contraction amount of the hydraulic cylinder at each lifting point; controlling each hydraulic cylinder to adjust the pose of the steel main beam according to the pre-compensation expansion amount; and the pose of the steel girder is monitored, and when the deviation between the actually measured pose and the target pose exceeds the set deviation, the coupling solver is updated based on the real-time wind field data and the real-time temperature field data. The steel main beam and the hoisting rigging are connected through the hydraulic cylinder, the space deviation value is calculated based on real-time wind field and temperature field data coupling, then the hydraulic cylinder is driven to conduct pre-compensation stretching and retracting so as to dynamically adjust the position and posture of the steel main beam, position and posture deviation induced by wind loads and temperature gradients is effectively restrained, and efficiency and safety are improved.
Owner:GUIZHOU HIGHWAY ENG GRP

Integrated torsion molding wall structure with seaweed-like surface decoration and construction method thereof

This invention discloses an integrated twisted decorative wall structure with seaweed-like surface decoration and its construction method. The decorative section of the GRG board surface layer is composed of stacked C-shaped cantilever panels. The seaweed-like cantilever decorative panels are integrally formed with the cantilever panels, and their cantilever length and span gradually change from bottom to top, forming a dynamic three-dimensional decorative surface. During construction, a parametric digital model is first established to drive the design, and the surface layer is divided into prefabricated GRG unit blocks for factory production. T-shaped connectors are pre-embedded on the back of the unit blocks. On-site, the unit blocks are installed on the reinforced decorative keel using adjustable cantilever connecting beams, and the precise positioning is achieved using a total station with the tip of the cantilever decorative panel as a reference to ensure accurate shaping. This invention solves the strength problem of large cantilever GRG materials through a stepped, stacked, reinforced structure, and achieves a safe, precise, and efficient presentation of complex and dynamic shapes through digital design and prefabricated assembly construction.
Owner:北京市建筑工程装饰集团有限公司

A method for integral assembly construction of concrete cup-shaped foundation core mold without roughening

This invention discloses a method for integral assembly and construction of a concrete cup-shaped foundation core mold without roughening, belonging to the technical field of concrete cup-shaped foundation construction. The core mold includes two horizontal plates: vertical plates and side plates are symmetrically arranged on the outer sides of the two horizontal plates; a zipper assembly is located at the top of the upper horizontal plate; a tightening assembly is provided between the two horizontal plates; inserts are integrally formed on the surface of the side plates; and slots adapted to the inserts are provided on the surfaces of both the horizontal and vertical plates. The beneficial effects of this invention are: by splicing the horizontal, vertical, and side plates, and then tightening the hooks and U-shaped blocks through the tightening assembly, and further improving the stability of the splicing through the zipper assembly, this invention achieves the purpose of forming a core mold through an assembled steel plate structure. This provides a certain weight to improve the stability of the core mold's position during casting, and also facilitates easy assembly, disassembly, storage, and transportation.
Owner:BEIJING URBAN CONSTR GROUP

Vertical assembly construction method of steel bifurcated pipe

The application discloses a kind of vertical assembly construction methods of steel bifurcated pipe, comprising the following steps: one, the tile of steel bifurcated pipe and crescent rib plate are made;Two, pre-assembled platform is set and steel bifurcated pipe lofting is carried out;Three, pre-assembled steel bifurcated pipe;Four, steel bifurcated pipe inner support is set;Five, steel bifurcated pipe disassembly;Six, steel bifurcated pipe transportation after disassembly;Seven, steel bifurcated pipe is assembled again.The application is welded positioning block on the tile of steel bifurcated pipe by pre-assembled segment of steel bifurcated pipe, and vertical assembly method is used to assemble steel bifurcated pipe, so that steel bifurcated pipe assembly difficulty is reduced, crescent rib plate and each tile assembly positioning, adjustment is simple;Tile assembly process is single, and deformation is small, and assembly quality is higher, after assembly, high-difficulty welding such as a lot of vertical welding and overhead welding is reduced, effectively improve the steel bifurcated pipe weld quality and efficiency;Positioning is accurate and stable using positioning block, greatly reduce the bifurcated pipe assembly difficulty again.
Owner:SINOHYRDO ENG BUREAU 3 CO LTD

Fabricated steel slag sand concrete frame structure

The utility model discloses an assembly type steel slag sand concrete frame structure, which relates to the technical field of building construction and comprises a grouting assembly, and the grouting assembly comprises a grouting sleeve and a sealing mechanism. After the column components are connected with the beam components and the plate components through the connecting nodes, assembly construction of the concrete frame structure can be achieved, meanwhile, the column components can be installed and used in an assembly mode, it is guaranteed that the adjacent column components can be stably connected through the grouting assemblies, and the grouting assemblies have the function of automatically blocking internal channels; therefore, the phenomena that foreign matter easily enters the grouting sleeve and grout leaks after grouting is completed can be effectively avoided, and the problem that no automatic plugging structure exists between the grouting channel and the grout outlet channel of an existing grouting sleeve is solved. And foreign matters easily enter the grouting sleeve during prefabrication and transportation of the column member, and part of slurry leaks from the interior of the grouting sleeve, so that the connection strength of the column member is reduced.
Owner:包头铁道职业技术学院

Modularized truss supporting structure of steel structure floor support plate

The invention relates to a modular truss supporting structure of a steel structure floor support plate, and solves the problems that the low efficiency of floor pouring construction of a steel structure building is not matched with the high efficiency of construction of steel structure assembly, and a floor support plate supporting structure using a steel frame system as a supporting point is lacked at present. A plurality of supporting trusses for supporting the bottom surface of the floor support plate are arranged between parallel I-shaped beams, supporting modules are arranged at the two ends of each supporting truss respectively, a plurality of truss modules are arranged between the supporting modules at the two ends in series, and the outer ends of the supporting modules are erected between upper beam plates and lower beam plates of the I-shaped beams. The bearing capacity of the steel structure frame is fully utilized, a non-landing supporting system is erected and used for supporting the floor bearing plate in the pouring process of the floor cover plate, the construction efficiency is high, the space between floors does not need to be occupied, and cross operation and multi-layer synchronous pouring construction of the floors can be achieved.
Owner:ZHEJIANG DADI STEEL STRUCTURE

Fabricated truss-graphite polyphenyl-reinforced foaming ceramic plate wallboard and manufacturing method thereof

The invention discloses a fabricated truss-graphite polyphenyl-reinforced foaming ceramic plate wallboard and a manufacturing method thereof, the fabricated truss-graphite polyphenyl-reinforced foaming ceramic plate wallboard is mainly used as a peripheral wall protection plate of a light steel frame structure, and the fabricated truss-graphite polyphenyl-reinforced foaming ceramic plate wallboard is formed by assembling an inner leaf truss light steel frame and calcium silicate plate combined inner leaf plate, an outer leaf truss light steel frame and reinforced foaming ceramic plate combined outer leaf plate and a sandwich graphite polyphenyl plate. The inner and outer leaf truss light steel frame is formed by welding square steel pipes. The reinforced foamed ceramic plate is formed by compositing a foamed ceramic plate with a decorative surface layer and a high-ductility mortar plate with a shear key, and the high-ductility mortar plate is composed of a built-in steel wire mesh with the thickness not smaller than 20 mm, steel plate strips welded to the periphery of the steel wire mesh and a swallow tail meshing type frame on the periphery of the steel wire mesh. The assembled truss light steel frame-graphite polyphenyl-reinforced foaming ceramic plate combined wallboard has the integrated functions of structure, heat preservation, decoration and enclosure, has the technical characteristics of light weight, good anti-seismic and fire-resistant performance and convenience in assembly and construction, and has three anti-seismic defense lines.
Owner:KUNMING UNIV OF SCI & TECH +1