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349results about "Vaulted structures" patented technology

Construction method for arched large-span shell steel roof

The invention provides a method for constructing an arch-shaped large-span shell steel roof, and belongs to the technical field of arch-shaped large-span shell steel roof construction. A temporary supporting system is built, and distributed optical fiber sensors are arranged to monitor the lifting process of a main arch; a cable force distribution scheme of a cable supporting system is calculated by adopting a double-layer game optimization model to realize cooperative control of stress uniformity and form precision, tensioning force is applied by using an intelligent tensioning system in stages, and a crane moving path is planned in combination with a path optimization algorithm based on a graph theory to realize graded unloading of a temporary supporting system. The technical problem that it is difficult to achieve structural stress uniform distribution and form accurate control of an arched large-span shell steel roof at the same time in the tensioning process of a cable supporting system is solved.
Owner:济南市历城区公用事业和房屋征收服务中心 +1

Large-span arched steel truss with inclined supports and construction method of large-span arched steel truss

The invention discloses a large-span arched steel truss with oblique supports and a construction method thereof, the steel truss is arched, the central structure of the steel truss is a pair of upper chords and a lower chord, the lower chord is located under the middle position of the pair of upper chords, and the two ends of each upper chord exceed the two ends of the lower chord in the chord direction; oblique supporting structures are symmetrically arranged at the two ends of a steel truss and used for supporting and installing the steel truss, and each oblique supporting structure comprises a reinforced steel concrete column, a steel column base, an A-shaped steel column and a back pulling steel rod, and the steel column base is directly or indirectly welded to the top end of a steel rib of the reinforced steel concrete column; the A-shaped steel columns incline upwards in the direction close to the chordwise midpoint of the steel truss, the two ends of the lower portions of the A-shaped steel columns are hinged to the pair of steel column feet respectively, the upper ends of the A-shaped steel columns are hinged to the ends of the lower chords, and the back-pulling steel rods incline upwards in the direction away from the chordwise midpoint of the steel truss, and the upper ends and the lower ends of the back-pulling steel rods are hinged to the ends of the upper chords and the steel column feet respectively. According to the steel truss, deflection deformation can be reduced, the anti-deflection performance is enhanced, the anti-seismic performance is improved, and steel is saved.
Owner:CHINA FIRST METALLURGICAL GROUP

Opening and closing roof system

The utility model relates to the technical field of building design, in particular to a retractable roof system which comprises an arched roof and a retractable roof, a circular opening is formed in the center of the arched roof, and the retractable roof is arranged on the arched roof and composed of a plurality of petal-shaped roof pieces. The roof piece can move in the radial direction of the arched roof so as to be switched between an open state and a closed state, and in the open state, the circular opening is completely exposed; and in the closed state, the retractable roof completely covers the circular opening to form a closed dome structure. According to the opening and closing roof system, the roof pieces are driven to move in the radial direction along the arched roof so as to be switched between the opening state and the closing state, the indoor space and the outdoor space of a venue can be switched, natural conditions are fully utilized, and the opening and closing roof system has the advantages of being novel in opening and closing mode, reasonable in structural stress, convenient to drive and control and the like. And the structural form of the retractable roof system is enriched.
Owner:SHANGHAI ARCHITECTURAL DESIGN & RES INST

Geodesic dome habitat, including frame and tile systems for use therein

Described herein are systems and methods for creating and operating a geodesic dome habitat. The geodesic dome habitat includes a frame system for providing structural support and at least one tile that attaches to a face of the frame system. The frame system includes a plurality of struts arranged along the edges, a plurality of tension cables arranged planar to the faces, and at least one connector arranged along a vertex. The tile may be a functional tile for performing a specific functional task, such as a functional tile that includes irrigation systems for irrigating plant receptacles in a vault enclosure, and / or a functional tile that includes thermal plates and outlets for fermentation. The geodesic dome habitat may be compatible with any number of functional tiles, electrical systems, furnishings, etc.
Owner:AURELIA INSTITUTE INC

Space curve prestress composite beam column and design method thereof

The invention relates to a space curve prestress composite beam column and a design method thereof. The bottom of the space curve composite beam column is vertically upward, the tail end overhanging part is approximately horizontal, and the middle part is connected with the horizontal prestressed concrete closed beam to form a space structure. The horizontal closed prestressed beam and the space curve composite beam column support each other, the constraint boundary condition of the space curve composite beam column is changed, and the internal force distribution and magnitude of the space curve composite beam column are changed. According to the space curve composite beam column with the horizontal closed prestressed beam, the anti-cracking and anti-bending performance of a component is improved, and the deformation performance of the component is also improved. Therefore, the structure is particularly suitable for large cantilever structures with high deformation and bearing capacity.
Owner:SHANGHAI TONGJI CONSTR ENG DESIGN CO LTD +1

Construction method of prefabricated concrete member temporary support-to-permanent bearing system

The invention provides a construction method of a prefabricated concrete member temporary support-to-permanent bearing system, which comprises the following steps of: prefabricating a concrete member in a factory according to the curvature of an arc-shaped arch plate, and reserving a rectangular bearing groove at the top; the prefabricated part is hoisted to the designed position, and lateral clamping constraint is formed through a lower fixing device; steel pipe secondary ridges are installed in the bearing grooves, a matched comb plate formwork is laid on the steel pipe secondary ridges, and the bottom face of the comb plate formwork is attached to the top face of the prefabricated part; pouring concrete around the upper and lower chord plates and the prefabricated parts layer by layer to enable the prefabricated cast-in-place structure to form a whole; the auxiliary support is gradually dismantled along with concrete strength increase, and load transfer to the prefabricated part is completed; and the steel pipe secondary edges and the comb plate formworks are dismantled, the bearing grooves are filled, and a continuous stress section is formed. The problems of eccentric load bearing and structural integrity are solved, the method is suitable for the scene that upper and lower chord plates of the arc-shaped arch slab and prefabricated parts are integrally poured, and the construction efficiency and the structural safety are improved.
Owner:CCCC (KUNMING) CONSTR CO LTD

Circular dome steel structure adjusting device

The invention discloses a circular dome steel structure adjusting device which comprises an adjusting mechanism, the adjusting mechanism comprises a jacking assembly and a connecting assembly, and the connecting assembly comprises a connecting plate, a connecting column fixed to the top of the connecting plate, a universal joint movably connected with the top of the connecting column and a connecting block fixed to the top of the universal joint. The top of the jacking assembly is connected with the bottom of the connecting plate, a mounting assembly is arranged on the connecting block and comprises a mounting column arranged on the top of the connecting block, a lower plate body fixedly arranged on the portion, close to the bottom of the mounting column, of the side wall of the mounting column in a sleeving mode and an upper plate body arranged on the mounting column in a sleeving mode, and the bottom of the steel structure profile is connected with the top of the upper plate body. A horizontal adjusting assembly used for adjusting the distance between every two adjacent mounting columns is arranged between every two adjacent mounting columns, and vertical adjusting assemblies used for adjusting the positions of the mounting columns are arranged on the connecting plates. The tedious operation that in the prior art, a steel structure profile needs to be strictly cut according to the size requirement is changed, the operation difficulty is lowered, and application and popularization are facilitated.
Owner:HANGZHOU YALAI CONSTR STRUCTURE CO LTD

Large-span ellipsoidal glass structure space noise reduction method based on sound field optimization

The invention belongs to the technical field of automatic control, and particularly relates to a large-span ellipsoidal glass structure space noise reduction method based on sound field optimization, and the method comprises the steps: 1, transmitting a sample noise in an ellipsoidal glass structure through a sound wave generator, building a sound wave propagation model to describe the behavior of the sample noise in the ellipsoidal structure, an incident sound field is obtained; 2, analyzing the propagation characteristics of the sample noise in the ellipsoidal glass structure to obtain an acoustic structure coupling equation, and solving the acoustic structure coupling equation to obtain structural vibration displacement; 3, obtaining a sound radiation field of the ellipsoidal glass structure according to the structural vibration displacement; and step 4, combining the incident sound field and the sound radiation field, and performing spatial noise reduction by reflecting the sound pressure of the sound field. According to the method, the problems of poor adaptability and low control precision of a traditional noise reduction method in a non-uniform structure are effectively solved, and the noise reduction efficiency, the control sensitivity and the environment adaptability of a building space are remarkably improved.
Owner:CHINA RAILWAY CONSTR GROUP CO LTD +1

Supporting plate splicing structure of homestay temporary house

The utility model discloses a supporting plate splicing structure of a homestay temporary house. The supporting plate splicing structure comprises at least two supporting plates and a plurality of connecting plates. Each connecting plate can be used for connecting two adjacent supporting plates; the supporting plate is made of EPS; the supporting plates are arched, a dovetail groove with a trapezoidal section is formed in the side edge of the convex surface or the concave surface of each supporting plate, and the dovetail groove is narrow outside and wide inside; the shape of each end of the connecting plate is matched with the shape of the corresponding dovetail groove; the two ends of each connecting plate can be bonded to the two dovetail grooves of the two adjacent supporting plates in a matched mode through glue, and the side faces of the two supporting plates abut against each other in a completely-matched mode. The splicing structure formed after the two supporting plates are fixed through the connecting plate bonded with the glue is stable and firm, and displacement between the supporting plates is not prone to occurring; when a worker splices other supporting plates, the worker does not need to keep the stability of the previous spliced supporting plates all the time, namely, splicing failure is not prone to being caused.
Owner:邢婉

Large-diameter storage tank and isolation lining synchronous installation device and installation method thereof

The invention provides a large-diameter storage tank and isolation lining synchronous installation device and an installation method thereof.The large-diameter storage tank and isolation lining synchronous installation device comprises a tank body and lifting devices annularly arrayed on the periphery of the bottom of the tank body, the tank body is formed by splicing a plurality of ring cylinder sections in a lap joint mode, the cylinder sections are formed by splicing a plurality of arc-shaped pieces in a lap joint mode, and lifting pieces are detachably and fixedly arranged at the bottoms of the vertical lap joint positions of the cylinder sections; the lifting devices are used for being connected with the even number of lifting devices and used for alternately lifting the installed shell ring and the newly-added shell ring. The lifting device is arranged outside the tank body, so that the working space in the tank body is effectively released, the isolation lining can be synchronously mounted in the tank body assembling process, the process splitting caused by the fact that the lifting mechanism occupies the area in the tank body in the traditional process is avoided, the whole construction period is obviously shortened, and the construction efficiency is improved. The management and coordination cost caused by secondary entering is reduced, the lining can be accurately laid and attached under the open, safe and visible working conditions, and the lap joint sealing performance and the structural consistency are greatly improved.
Owner:THE FIRST CONSTRUCTION COMPANY OF CCCC SECOND HARBOR ENGINEERING CO LTD +1

Outer containment dome construction method based on spherical strip steel mold-spherical crown wood mold structure

The invention discloses an outer containment dome construction method based on a spherical strip steel mold-spherical crown wood mold structure, and belongs to the technical field of civil construction, and the outer containment dome construction method comprises the following steps: S1, constructing and mounting steel corbels at the inner side position of an outer containment; s2, a ball belt type steel formwork is prefabricated and assembled; s3, hoisting the ball belt type steel template to the outside of the inner containment, and fixing the ball belt type steel template with the steel corbel; s4, outer containment dome reinforcing steel bars are bound on the outer side of the ball belt type steel formwork, and an outer formwork is erected; pouring outer containment dome concrete between the ball belt type steel formwork and the outer formwork in a segmented manner; s5, a scaffold is erected at the spherical crown position outside the inner containment, and a spherical crown type wood formwork is erected; s6, outer containment dome steel bars are bound on the outer side of the spherical crown type wood formwork, and an outer formwork is erected; outer containment dome concrete is poured between the spherical crown type wood formwork and the outer formwork in a segmented mode. The method is high in efficiency, the project progress is optimized, and the working quality is stable and reliable.
Owner:CHINA NUCLEAR IND HUAXING CONSTR

Frame supporting type air costal membrane structure system

A frame supporting type air rib membrane structure system comprises a frame supporting structure, an air rib structure and a membrane structure. The frame supporting structure comprises a supporting unit; the supporting units are arranged at intervals in the longitudinal direction. The supporting unit comprises a stand column and a top support. The air rib structure is mounted on the outer side of the frame supporting structure and is formed by splicing a plurality of air rib type membrane structure units; each air rib type membrane structure unit comprises an air rib and a connecting pipe; the air ribs are arranged in parallel at intervals, and one group of air ribs are horizontally arranged; the group of air ribs are communicated with one another through connecting pipes to form one or more independent inflation loops; pressure sensors are arranged on the surfaces of the air ribs; and the membrane structure covers the outside of the air rib structure and is detachably connected with the air rib structure. The technical problems that a traditional gas film structure is small in application range, insufficient in stability, prone to being large in film surface deformation and unstable in gas rib are solved, and the technical problems that a traditional gas rib type film structure is poor in adjustment flexibility, large in operation difficulty and high in cost are further solved.
Owner:CHINA CONSTR COMM ENG GRP UNITED

Spherical structure

The invention concerns a spherical structure It comprises a number of interlocking 5- and 6-sided panels that is joined together at the corners with locking discs.
Owner:SANDNES OLAV

Glass curtain wall system and construction method resistant to high wind pressure

The present invention relates to the technical field of building curtain walls, and in particular to a high wind pressure resistant glass curtain wall system. In the high wind pressure resistant glass curtain wall system, the glass unit of the curtain wall is fixedly mounted on a supporting column, the bottom of the supporting column is hingedly connected to a support, and the support is fixed to the ground; the top of the supporting column is movably connected to the steel frame structure of the dome; a horizontal connecting rod is arranged between the top of the supporting column and the dome steel frame, one end of the horizontal connecting rod is hinged to the steel frame structure of the dome, and the other end is hinged to the top of the supporting column. The force model of the curtain wall structure is optimized. On the one hand, the structure of the entire supporting column is lightweight, and on the other hand, the horizontal connecting rod is used to cleverly avoid the rigid connection between the supporting column and the dome. The rigid connection will affect the normal ups and downs of the dome, and a large stress concentration will occur at the connection between the dome and the supporting column, and even damage the dome structure.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Roof adopting large-span arch supporting cable stiffening grid structure and construction method

The invention provides a roof adopting a large-span arch supporting cable stiffening grid structure and a construction method, and relates to the field of building steel structures. Each large-span arch supporting cable stiffening grid structure comprises a pair of parabola-shaped main arches, a central connection structure, a cantilever and a stabilizing cable. The pair of main arches are oppositely inclined and symmetrically arranged; the central connection structure is continuously arranged between the pair of main arches and forms a shell surface; the two groups of cantilevers are symmetrically connected to two opposite outer sides of the pair of main arches respectively; the stabilizing cable extends in the longitudinal direction of the cantilever and is connected to the bottom of the cantilever. The central connection structure and the cantilevers are both of space grid structures; the multiple pairs of main arches are sequentially connected in a crossed mode in the longitudinal direction of the roof. The construction of the roof is completed through the construction method of main arch and central connection structure installation, primary unloading, cantilever installation and secondary unloading. According to the roof and the construction method thereof, the steel consumption can be reduced, the lightness of the cantilever structure is improved, and the manufacturing cost is reduced.
Owner:CHINA FIRST METALLURGICAL GROUP +1

Interior furniture

The present invention relates to interior furniture capable of easy assembly and structural change, and having excellent space utilization and excellent appearance. The interior furniture according to the present invention comprises: a cabinet comprising a pair of side panels which are formed to extend in the vertical direction and arranged to be spaced apart from each other while facing each other, a rear plate coupled to the rear surfaces of the pair of side panels, and a support plate installed horizontally between the pair of side panels; and a wall panel which comprises a vertical side surface in the vertical direction, an upper horizontal side surface extending horizontally from the upper end portion of the vertical side surface, and an arch-shaped side surface connecting the end portion of the upper horizontal side surface and the lower end portion of the vertical side surface, and which has a half-arched shape obtained by bisecting an arch shape in the vertical direction. In addition, the side panels and the wall panel can be coupled in a first coupling manner in which the wall panel and the side panels are coupled to each other in parallel at the front end portion of the side panels, and in a second coupling manner in which the wall panel and the side panels are orthogonally coupled to each other at the front end portion of the side panels.
Owner:FROLIC INC

Assembly type large-span curved surface metal ribbon mounting structure

The utility model belongs to the technical field of building decoration, and particularly relates to an assembly type large-span curved surface metal ribbon installation structure which comprises a main steel pipe, a steel column truss is fixedly arranged on one side of the main steel pipe, an adjusting mechanism is fixedly arranged above the steel column truss, and a ribbon aluminum plate is fixedly arranged on the upper portion of the adjusting mechanism. The adjusting mechanism comprises an adjusting pipe, an adjusting piece arranged on one side of the adjusting pipe and a fixing cover arranged on the top of the adjusting pipe, four fan-shaped limiting blocks are symmetrically arranged on the inner side of the adjusting pipe, sliding grooves are formed in the sides, close to the fan-shaped limiting blocks, of the fan-shaped limiting blocks, and two adjusting grooves are symmetrically formed in the outer side of the adjusting pipe; two limiting grooves are symmetrically formed in the top of the adjusting pipe. A modular design and a manufacturing method are adopted, the curved-surface metal ribbon is divided into appropriate assemblies, meanwhile, the structural characteristics of the adjusting mechanism are adopted, the curvature of the ribbon aluminum plate can be adjusted at any time on the construction site, accurate matching and convenient assembly between the assemblies are ensured, and the assembly efficiency and quality are improved.
Owner:SHENZHEN OVERSEAS DECORATION ENG

Indoor venue spiral suspension corridor and hoisting and unloading method thereof

The invention discloses an indoor stadium spiral suspension corridor and a hoisting and unloading method thereof.The indoor stadium spiral suspension corridor comprises a bridge body, the bridge body is installed in a stadium and arranged upwards in a spiral shape, the bridge body is divided into a plurality of bridge floor sections from top to bottom, and the starting position is connected with a suspension type visiting room arranged at the top of the stadium; the final position is connected with the ground through a multi-stage damping device; according to the method, the main supporting system, the secondary supporting system and the corresponding unloading control system are arranged, after hoisting of all components of the gallery is completed, unloading is carried out according to the method that the main supporting system is arranged firstly and then the secondary supporting system is arranged from top to bottom in a collaborative grading circulation mode, and the supporting systems are dismantled; the air gallery is reliably transited from a temporary supporting state to a gallery self-bearing stress state, the overall stability of the air gallery is effectively guaranteed, structural damage and damage caused by concentrated stress of a supporting system and sudden change of loads of suspenders in the unloading process are avoided, and safety and comfort of the air gallery in the service period are guaranteed.
Owner:2ND CONSTR CO LTD OF CHINA CONSTR 5TH ENG BUREAU +1

Corrugated Steel Reinforced Recycled Concrete Composite Arch and Its Performance Loading Device and Testing Method

The present invention belongs to the technical field of arch shell structures and performance loading, specifically a corrugated steel recycled concrete composite arch and its performance loading device and testing method, including a corrugated steel arch, which is formed by mechanically rolling a flat steel plate into a flat corrugated steel plate and then using an arching device to form a corrugated steel arch; vertical connecting steel bars, which are arranged at the wave crests and wave troughs of the cross-section of the corrugated steel arch, uniformly distributed along the span direction, and the vertical connecting steel bars are welded to the corrugated steel arch; longitudinal stressed steel bars, which are arranged along the span direction of the corrugated steel arch and are respectively welded and fixed to the vertical connecting steel bars at the wave crests and wave troughs; transverse connecting steel bars, which are uniformly arranged transversely along the span direction of the corrugated steel arch and are respectively welded to the longitudinal stressed steel bars; fixed steel plates, the arch feet of the corrugated steel arch and the ends of the longitudinal stressed steel bars are welded to the fixed steel plates; concrete, and the thickness of the concrete structure is greater than 150 mm.
Owner:HARBIN INST OF TECH +1

Reinforcing device of assembly type rigidity-adjustable substructure

The invention discloses an assembly type rigidity-adjustable substructure reinforcing device which is composed of a plurality of rigidity-adjustable substructures, and each substructure comprises a modular component and a rigidity-variable connecting piece. The modular component is formed by assembling standard rod pieces and detachable nodes through connecting bolts, and extensible grid units are formed. The variable-stiffness connecting piece automatically adjusts stiffness parameters based on real-time stress response of a to-be-reinforced structure and is hinged to the substructures and the to-be-reinforced structure through connecting lug plates; the substructures are distributed along the weak area of the structure to be reinforced to form a multi-stage rigidity regulation and control system, and the upper layer substructure is rigidly connected with the end part of the standard rod piece of the lower layer substructure through a detachable node. Structural response is effectively reduced by means of the modular components and the variable-stiffness connecting pieces, the load self-adaptive capacity is achieved, meanwhile, the characteristics of convenient and fast construction and intelligent operation and maintenance are achieved, and the method is suitable for existing structure reinforcement and preventive strengthening engineering of a newly-built structure.
Owner:BEIJING UNIV OF TECH

Inner ring reticulated shell structure and welding auxiliary equipment thereof

The invention belongs to the technical field of grid structures, and discloses an inner ring reticulated shell structure and welding auxiliary equipment thereof, the inner ring reticulated shell structure comprises a transverse arc-shaped rod body and a longitudinal arc-shaped rod body, the axis of the transverse arc-shaped rod body is vertical, and the arc extension track of the transverse arc-shaped rod body is distributed in the horizontal direction; the axis of the longitudinal arc-shaped rod body is horizontal, the arc extending track of the longitudinal arc-shaped rod body is distributed in the vertical direction, and the extending track of the longitudinal arc-shaped rod body is perpendicular to the extending track of the transverse arc-shaped rod body. The number of the transverse arc-shaped rod bodies and the number of the longitudinal arc-shaped rod bodies are both multiple, the two ends of each transverse arc-shaped rod body are connected with the two adjacent longitudinal arc-shaped rod bodies respectively, and the multiple transverse arc-shaped rod bodies and the multiple longitudinal arc-shaped rod bodies jointly form an alms-bowl-shaped structure used for reinforcing the historic building. On the premise that the integrity of the original structure of the ancient building is not damaged, the overall stability and deformation resistance of the ancient building are remarkably improved, and the targeted reinforcing and protecting effect is achieved.
Owner:HANGZHOU YALAI CONSTR STRUCTURE CO LTD

Sanitary pit liner system and method of installing the same

PCT designated stageWO2026080731A1Artificial islandsCesspoolsHuman wasteArchitectural engineering
A sanitary pit liner system for collection of human waste in developing countries includes a plurality of curved, interlocking pit liner segments that snap together to form a cylindrical pit liner, a plurality of curved, interlocking dome segments that snap together to form a dome, a gasket, a squat plate and squat pan user interface or a one-piece toilet user interface. A method of installing a sanitary pit liner system is also disclosed.
Owner:DESIGN OUTREACH INC +8

Building with heliodynamic architecture

ActiveEP4399373B1Solar heating energyWalls
The invention relates to a building the outer envelope of which comprises at least one facade portion (2) which is transparent to solar radiation, which is situated on a face of the building the shape of at least a part (3, 3') of which can be more less inscribed inside the surface generated by an imaginary segment extending between the sun and at least one fixed point (PF) that is fixed relative to the Earth, during a complete revolution of the Earth on itself, and therefore in the surface of part of a cone frustum generated by the aforesaid imaginary segment, said or each facade portion (2) extending between a base line (6) and a top edge (7) which together delineate it from the remaining part of the outer envelope of the building, which is predominantly or completely opaque. The building is characterized in that the exterior face of each aforementioned part (3, 3') of the facade portion (2) is, at each point on the top line (7), set back from a straight line perpendicular to the local horizontal plane, and therefore normal to the plane of the ground, and passing through this point, and in that at least one (3) of the aforesaid facade parts (3, 3') can be inscribed inside the surface of a cone frustum part that is recessed or concave relative to the face concerned.
Owner:ALCER

Large-span protective cover system and synchronous unfolding and folding method thereof

The invention discloses a large-span protective cover system and a synchronous unfolding and folding method thereof. The large-span protective cover system comprises a supporting platform, one or more protective cover sets and a synchronous unfolding and folding device. Each protective cover group comprises two protective cover units which can be rotationally opened oppositely, and each protective cover unit has an unfolded state and a folded state; in the folded state, each protective cover rotates to be in butt joint with the protective covers in the same protective cover set so as to completely cover a preset area on the supporting platform. In the unfolding state, each protective cover unit rotates to be opposite to the protective covers in the same protective cover group, so that a preset area on the supporting platform is completely exposed; the synchronous unfolding and folding device is used for driving all the protective cover units in one or more protective cover sets to achieve synchronous unfolding or folding. According to the invention, all the protective cover units in one or more protective cover groups can be synchronously unfolded or folded.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Protective structure and shed tunnel

The utility model provides a protective structure and a shed tunnel, and belongs to the technical field of corrugated steel, the protective structure comprises a corrugated steel plate, a plurality of filling pipe fittings, an insulating plate piece, a reinforcing assembly and a filling material, and the filling pipe fittings are respectively arranged in wave troughs of the corrugated steel plate; the filling pipe fittings are arranged along the span of the corrugated steel plates; the insulating plate is mounted above the corrugated steel plate and surrounds the outer side of the corrugated steel plate; a reinforcing space is arranged between the insulating plate and the corrugated steel plate; the filling pipe fitting is arranged in the reinforcing space; the reinforcing assembly is installed in the reinforcing space and used for enhancing the strength of the protection structure. The reinforcing space is filled with the filling material, and the filling material is connected with the insulating plate, the corrugated steel plate and the reinforcing assembly. According to the protection structure, potential safety hazards are reduced, and the weight is reduced.
Owner:GUANGXI COMM PLANNING SURVEYING & DESIGNING INST +2

Connecting structure of large-span steel-wood composite structure

The utility model relates to the technical field of large-span steel-wood composite structures, and discloses a connecting structure of a large-span steel-wood composite structure, which comprises a shell, the bottom of the front side of the outer wall of the shell is provided with an entrance, the outer wall of the shell is fixedly connected with a plurality of fixing strips, the outer walls of the plurality of fixing strips are fixedly connected with positioning cable clamps, and the positioning cable clamps are fixedly connected with the outer wall of the shell. The front sides of the multiple positioning cable clamps are fixedly connected with clamps, the middles of the multiple clamps are fixedly connected with a steel cable, a damping mechanism is arranged on the periphery of the interior of the shell, the damping mechanism comprises multiple supporting columns, and the tops of the multiple supporting columns are fixedly connected to the top of the inner side of the shell. According to the utility model, the section of the building structure of the shell is apple-shaped, the hyperbolic steel structure provides support for the whole body, the plurality of fixing strips are connected with the shell in a mutual-supporting reticulated shell wood structure, the positioning cable clamps are distributed on the outer walls of the fixing strips, and the clamp clamps the steel cable made of the high vanadium cable, so that the stability of the shell is improved.
Owner:广东省第四建筑工程有限公司

Suspended bamboo beam and side arch composite structure system and construction method

The invention discloses a suspended bamboo beam and side arch composite structure system and a construction method, and belongs to the technical field of building structures. The structure system comprises steel structure foundation frames, chord support bamboo beam assemblies, side arch bamboo weaving assemblies and node connecting devices, the chord support bamboo beam assemblies are installed on the steel structure foundation frames at the two ends and fixed through the node connecting devices, and the side arch bamboo weaving assemblies are installed on the steel structure foundation frames at the two ends and fixed through the node connecting devices. The side arch bamboo weaving assembly and the chord support bamboo beam assembly are connected to form a continuous curved surface covering structure, and according to the system, bamboo wood and a steel structure are combined to form a composite structure with mechanical properties and ecological benefits. The problems that a traditional bamboo structure is large in number of supports, limited in space and unreliable in joint are solved, large-span curved surface covering is achieved, and the large-span curved surface covering structure has the advantages of being light in self weight, excellent in anti-seismic performance, environmentally friendly and sustainable and is suitable for construction of large public buildings and landscape facilities.
Owner:HUNAN CONSTRUCTION ENGINEERING GROUP CO LTD +1

A construction method for starting from the middle without cables for an arch reticulated shell

A construction method for starting in the middle without cables for an arch reticulated shell, characterized by the following steps: First, select the starting unit grid. The starting unit grid is selected at the middle position in the length direction of the entire grid. The length of the starting unit grid is the span of the grid, and the width is one wheelbase. Second, use the model of the grid for simulation verification to find out the over-stressed members and bolts. Third, replace the members and bolts that do not meet the requirements after verification, and then re-verify until all members and bolts meet the requirements. Fourth, according to the width of the stacker-reclaimer foundation, after simulation verification and physical lofting, assemble from the arch top of the starting unit grid to both sections, and then hoist the crane across the stacker-reclaimer foundation. Fifth, divide into two groups and continue to install the starting unit grid on both sides of the stacker-reclaimer foundation simultaneously until the installation of the entire starting unit grid is completed. The present invention has the advantages of short construction period and greatly reduced construction cost.
Owner:XUZHOU ZM BESTA HEAVY STEEL STRUCTURE +2