99results about How to "Improve collaboration performance" patented technology

The invention provides an especial-big span suspension bridge of a uniparted hyperboloid space rope net main cable and a construction method thereof. A straight line character of the uniparted hyperboloid is used to change a vertical parallel cable rope system of an original suspension bridge. A thick and heavy centralized cable rope is changed into a dispersive space steel wire cable rope. Multiple strand of steel wire cable ropes are arranged in a cross mode. Space rope net main cable-cross nodes are fixed to form a space cable rope system of the uniparted hyperboloid type. An oval steel strengthening ring beam is arranged. A suspender and a stiffening beam are installed. A gate-type rigidity middle buckle is arranged. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system is built. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system has the advantages of being strong in span capacity, large in space structure rigidity, high in screw frequency ratio, good in wind resistance stability and the like. The novel space main cable system suspension bridge is capable of radically saving the problem of the wind resistance stability of the big span suspension bridge and used for projects of a striding sea connected island. The especial-big span channel suspension bridge of 3000-5000 meters is built.

The invention relates to a joint construction method for preventing reflection cracks generated during spreading of asphalt on an old concrete pavement. The method comprises the following steps: firstly determining the inter-panel deflection difference of old concrete panels to be jointed for reinforcing; after qualification, cutting across the joints at the joints of the two old concrete panels to obtain equal-distance stripe-type grooves and then vertically drilling the end parts of the stripe-type grooves by using an impact drill; bending a reinforcing steel bar according to the hole depth, the length of the grooves and the width of the inter-panel joint and finishing forming of a horseshoe rib; after transplanting the horseshoe ribs into the stripe-type grooves and the vertical holes in the end parts, pouring epoxy resin embedded steel bar glue into the cleaned drilling holes; mixing concrete and broken stone concrete, pouring into the grooves to form an embedded steel bar protective layer; and sequentially spreading layers of protective covering surfaces on the upper layers of the two waste concrete panels from bottom to top. The method provided by the invention has the advantages that the relative vertical displacement at two sides of the old panel joint, the reflection cracks are prevented to generate and develop so as to reduce or stop reflection cracks generated during spreading of asphalt on an old concrete pavement.

The invention provides a modular development and publishing system for automatic compiling and establishing of web front-end codes. The system comprises a compiler module for the web front-end codes, a continuous establishing and publishing management module and a version management center. The system provided by the invention is used for solving the present situation that jc language and css language are not flexible enough, therefore web front-end developers can flexibly use the jc and css languages for modular developing and compiling integration just as what background developers do with other high-level languages; continuous and automatic establishing and publishing management of the web front-end codes can be carried out, so as to improve the working efficiency of the web front-end developers and the cooperative work capabilities between teams; at the same time, the problem in the traditional system that one page needs to refer to multiple js / css resource files is solved, as a result, the request times for a browser on resources are reduced, and service pressure is also reduced.

The invention provides an order splitting management method and an order splitting management system for a bathroom cabinet customization system. The method comprises the steps of creating a sales order according to order requirements issued by a front-end store; triggering the splitting of the order; transmitting the sales order and the BOM thereof to a SAP system through an interface to carry out the MRP operation; receiving a production work order generated by the SAP system, wherein the production work order outputs work order data which can be produced; carrying out the production scheduling according to the production work order and generating a production batch; generating a production order and outputting a material list required for rough shape cutting; subjecting the material list to rough-shape-cutting optimizing treatment to generate an optimal rough shape cutting scheme; synchronizing the order information to a production operation bar code system, and tracking the state of the production process; receiving the state of the production order in the production operation bar code system through the interface, and following up the production condition of the production order in real time. According to the invention, the operation of each node of the production operation can be standardized, and the cooperative work capability of each department and each system is improved. Therefore, the purpose of improving the production efficiency is achieved, and the rapid customization of bathroom cabinets is realized.

The invention discloses a historic building timberwork beam-column system house composite strengthening method. The method comprises the steps that wooden columns are included. After transverse fiber cloth extend and are wound on the wooden columns, spiral fiber cloth on pasting columns are hooped on the transverse fiber cloth, beam columns are connected into a beam-column system through mortises and tenons, mortise-tenon joints of the beam columns are strengthened through the transverse fiber cloth pasted to wooden beams and the wooden columns and single-opening iron parts or double-opening iron parts hooped on the wooden columns, and the transverse fiber cloth is compacted and anchored on the wooden beams through the spiral fiber cloth pasted to the wooden beams and the single-opening iron parts or the double-opening iron parts. The strengthening defects of existing historic timberwork systems are overcome, the connection reliability of the fiber cloth and the wooden beams is ensured, the bearing capacity of the beam-column components and connection joints can be effectively improved, meanwhile, the repair principles of restoration of the old as the old, restoration of the building original forms and reversibility are met, and the method can be widely used for repair and strengthening of historic building timberwork beam-column systems.

The invention discloses a full-life-cycle management and control system for metering designing. The system is composed of a management platform, distribution network design software, distribution network cost software and a mobile phone app. The management platform, the distribution network design software, and the distribution network cost software are based on a mobile internet. The operation and usage of the system are extended from a PC terminal to a hand-held terminal like a smart phone or an Ipad as well as to management and uploading of field surveying data. The management platform consists of an external system, a business platform, a development platform, middleware and a system platform. The external system includes planning software. According to the full-life-cycle management and control system, advanced applications of plan designing, engineering cost, project control, and teamwork of the whole process of the primary and secondary project designing of the distribution network for researching and development, designing and construction as well as development of a mobile phone app and a field surveying design terminal can be realized. With the information means, field data collection of the distribution network engineering project is simplified; the executive standards are standardized and unified; the material equipment model selection becomes simple; the reportingworkload is reduced; and the error rate is reduced.

The invention discloses a security event early-warning method for a multi-dimensional stereoscopic network. The method comprises the steps: analysis of a security event is carreid out in a network system according to the characteristics of network security through combining with the current state and future development trend of national network security; by employing an early-warning system related technology based on network security situation awareness, a multi-dimensional stereoscopic security event combined early warning mechanism is established, so that the early warning notification service requirements of conventional, emergency and special security events and network security situations are met. The early warning system based on network security situation awareness utilizes relatedtechnologies to analyze and understand situations, can discover and early warn in the shortest time, and is convenient for preparing emergency and disposal schemes.

The composite material made mold plate comprises the core material, featuring in the slots on the surface of the core material, fiber cloth layer on the top and bottom surface of the core material, setting through holes that stuffed with resin pegs along the thickness direction of the core material at the crossing section of the slots based on requirement. It features in its lightness, high strength, obvious improvement of concrete building speed, not only being able to saving constructing expenses, but also applicable to construction under special conditions.

The invention discloses a comprehensive editing platform which comprises a client and a server, wherein the client comprises a third-party application program, a cloud disk file system, a communication module and a Shell command parser; and the server comprises a media resource management system, a cloud disk server and a synchronous module used for realizing synchronization between the media assess management system and the cloud disk server. According to the comprehensive editing platform, the chaotic situation that media resources of a television station are divided and are lack of coordination is broken through, a centralized resource unified allocation system is built, the problem that the scale of the system cannot be expanded and changed rapidly is resolved, and sharing of all resources is achieved comprehensively; scale procedures of the television station are improved, and working efficiency and product quality of the whole television station are enhanced; and fundamental transformation of televisions from traditional media to modern media is achieved, digitization of the television station is accelerated, sharing of information and the resources is achieved, cooperative work capability of the resources of the whole television station is improved, and programming cost and later maintenance cost are lowered.

The invention relates to a composite structure with a high bearing capacity. The composite structure with the high bearing capacity comprises a part A and a part B. The part A is provided with a cavity, and the part B is a solidifiable material filled in the cavity and is under the pressure in the solidification process. The part B comprises a part B1 and a part B2, a material B1 is a cement-basedmaterial, a material B2 is a solidifiable material, and the material B2 has relatively high flowability compared with the material B1. A built-in or / and external volume compensation device is / are arranged. When the material(s) B1 and / or B2 are / is contracted and the material B2 has flowability, the built-in volume compensation device is expanded, or the external volume compensation device squeezesthe flowing and semi-flowing solidifiable material or solid material into a material B2 area in the cavity. The volume compensation device fills up the contracted volume, the pressure of the materialB2 in the cavity is maintained, and the pressure of the material B1 is further maintained. Optimally, the flowing time of the material B2 is larger than the time for the material B1 to arrive at a contraction turning point, and the pressure maintaining time at least exceeds the time for the contraction turning point of the material B1 to appear.

The invention discloses a debris flow blocking structure capable of resisting impact of large stones for a steel pipe concrete pile group. The structural form of the debris flow blocking structure capable of resisting the impact of the large stones for the steel pipe concrete pile group is an isosceles triangle, two rows of piles are vertically arranged, the back row of piles are arranged between the front row of piles, and steel pipe concrete piles are connected in a penetrating and welded manner through hollow steel tube beams; planar #-shaped structures formed by the steel pipe concrete piles (1) and the hollow steel tube beams (2) are arranged on the front row, namely, an incident flow surface, of the steel pipe concrete pile group; planar #-shaped structures formed by the steel pipe concrete piles (1) and the hollow steel tube beams (2) are also arranged on the back row of the steel pipe concrete pile group, the front row of piles and the back row of piles are connected in a penetrating and welded manner through the hollow steel tube beams (3), and all steel pipe concrete piles (1) are fixed on a reinforced concrete raft foundation (4).

The invention discloses a parameter adjustment method and a control apparatus. The parameter adjustment method and the control apparatus are used for solving the technical problem that a control apparatus in a smart home apparatus system has a weak control capacity over controlled apparatuses. The parameter adjustment method comprises the steps of obtaining air parameter information in a first area, wherein the air parameter information is used for showing the air quality of the first area; controlling at least one smart home apparatus in a second area to adjust working parameters according to the air parameter information so as to reduce the difference between the air quality of the second area and the air quality of the first area.

The invention discloses a cooperation processing method for messages in a local area network, and a device. The method comprises steps that for a first terminal, an equipment state message broadcasted by a second terminal is received, and the equipment state message is used for identifying change of a work state of the second terminal; whether self equipment capability of the first terminal can realize processing on the equipment state message is determined, if yes, the equipment state message is notified according to self equipment capability of the first terminal; after a processing instruction for the equipment state message is received, an information response message is fed back to the second terminal, so the self second terminal and the equipment state message broadcasted to other terminals except the first terminal are indicated to remove. According to the method, a problem of influence on user experience generated as each equipment in the local area network in the prior art is in an isolate state and can not realize combination of respective processing capability of each equipment to accomplish inter-equipment-message cooperation processing work is solved.

The present invention relates to a self-service ice cream machine. The self-service ice cream machine comprises a cabinet body and a cabinet door; the cabinet door is provided with a cup outlet for pushing out ice cream cups and ice cream spoons; the outside of the cabinet door is provided with a control panel; the inside of the cabinet door, close to the cup outlet, is provided with a spoon falling device; the cabinet body is internally provided with a cup pushing device, a cup dividing and falling device, an automatic cup feeding device, an ice cream preparation device and an incubator. Theself-service ice cream machine optimizes the functions and structures of each component; the overall structure is simple and compact, which greatly reduces the volume and floor space of the self-service ice cream machine and improves the synergistic effect of each component at the same time, so that the ice cream machine is more intelligent; and preparation efficiency of ice cream is greatly improved; at the same time, the ice cream machine is provided with the spoon falling device, so that the ice cream machine can provide the ice cream, at the same time more conveniently and quickly providesice cream spoons, is convenient for users to eat ice cream, and can be widely used in shopping malls, supermarkets, schools, communities and other many occasions.

The invention discloses a steel plate prefabricated concrete double-plate shear wall. The steel plate prefabricated concrete double-plate shear wall comprises a steel plate, anti-sliding keys, profile steel, prefabricated concrete wall pieces, a cavity and a truss steel rib, wherein the steel plate is placed in the center between the two prefabricated concrete wall pieces, four edges of the steel plate are respectively welded with inner end-post profile steel and an inner steel plate or the profile steel, the anti-sliding keys are arranged on the steel plate, the prefabricated concrete wall pieces and the steel plate are connected into a whole through the truss steel rib and the anti-sliding keys, and concrete is poured into the cavity in the shear wall and the profile steel. The steel plate prefabricated concrete double-plate shear wall is simple in structure, solves the problem that an upper-layer wall body is insufficiently connected with a lower-layer wall body, and strengthens the overall performance of the combining portions of the wall bodies.

The invention discloses a cooperative control method applicable to a photovoltaic generator set without a main control center. Auxiliary variable iterative calculation is introduced so that an output power of the photovoltaic generator set is obtained; through a high-level controller, a stocking rate instruction value is calculated; approximate calculation is carried out on a maximum power output by each photovoltaic generator and then measured values of stocking rates are calculated; a communication matrix is established, and through a bottom layer controller, reference values of the stocking rates and reference values of DC bus voltages of grid-connected inverters are calculated; and through a voltage current double-closed-loop PI control method of the photovoltaic grid-connected inverters, stable control of output power of each photovoltaic generator is realized. The method does not need to arrange a main control center to control the photovoltaic generator set so that communication device and cost are saved and operation robustness is improved and a plug and play function is realized; and cooperative control of output powers of a large number of photovoltaic generators which are geometrically distributed is realized and support is provided to smoothing of load fluctuations of an electric power network and improvement of voltage and frequency stability in the electrical power network.

The invention provides a damaged concrete pavement panel reinforcing structure and method. The structure comprises a concrete pavement panel, the concrete pavement panel is provided with a reinforcing groove, a plurality of pairs of horizontal steel bar embedding holes are formed in the two walls of the reinforcing groove, and horizontal steel bars are fixedly arranged in the horizontal steel bar embedding holes; a steel fiber reinforced concrete blanket is fixedly poured over the concrete pavement panel. The method comprises the steps of 1, conducting surface debristling; 2, making the reinforcing groove and drilling the plurality of pairs of horizontal steel bar embedding holes; 3, embedding the horizontal steel bars; 4, pouring steel fiber reinforced concrete to form the steel fiber reinforced concrete blanket. By combining the horizontal steel bars with steel fiber reinforced concrete, new cement concrete and old cement concrete cooperation work performance is improved, the bearing capacity of the concrete pavement panel reinforcing area is improved, and the service life and maintenance cycle of a road are prolonged.

The invention discloses a reinforced concrete frame joint beam hogging moment assembled steel structure and a reinforcing method thereof. The assembled steel structure comprises a high-strength steel plate belt, angle iron and floor bottom longitudinal steel belts; a reinforced concrete frame joint comprises a frame column which is vertically arranged, a frame beam which is horizontally arranged in a manner of being perpendicular to the frame column and a floor which is perpendicular to the frame column and horizontal to the frame beam and is horizontally arranged on the frame beam; the high-strength steel plate belt is bent to be in right-angle attaching to the upper layer of the floor and the frame column, the high-strength steel plate belt is fixed to the floor and the frame column through screws, the angle iron is fixed to the internal corner of the high-strength steel plate belt, an angle iron vertical limb is fixed to the high-strength steel plate belt and the frame column through screws, the floor bottom longitudinal steel belts are symmetrically arranged on the two sides of the frame beam, and are fixedly attached to the lower layer of the floor in a manner of being close to the frame beam, the horizontal segment of the high-strength steel plate belt is fixed to the floor and the floor bottom longitudinal steel belts through bolts, and the internal corner is fixed to the angle iron horizontal limb, the floor and the floor bottom longitudinal steel belts through bolts.

The invention provides a reinforced concrete pipe lattice column comprising at least two hollow pipe columns, wherein each hollow pipe column is at least connected with an adjacent hollow pipe column through a web member; a reinforced concrete column is also coated at the periphery of the hollow pipe column. The pipe lattice column disclosed by the invention is light in dead load, high in bearing capacity, and good in fire resistance; local buckling of the hollow pipe column can be delayed.

The invention discloses an improved-wave-variable-based four-channel teleoperation multi-side control method. According to the method, the two-side control method is extended to multi-side control; and weight distribution coefficients of a master end and a slave end are designed to realize the multi-side cooperative working function of the system, so that the working efficiency of the system is improved. Besides, a master-slave-end dynamics model is established, a delay compensation communication channel is added, and an ideal transparency condition of the system is proposed, so that the system stability is ensured, the transparency of the system is improved substantially, and the multi-side immediacy sense of the operator is enhanced. In order to solve a problem of instability under the communication delay of the traditional four-channel control method, the invention puts forward a passive-theory-based improved wave variable method; and with two parameters selected independently basedon different needs, a negative effect on the system transparency by the wave reflection phenomenon in the traditional wave variable is reduced and the position tracking performance and force feedbackfidelity of the system during the multi-side teleoperation process are ensured.

The invention provides a construction device of a non-reinforced spread foundation and a construction method of a rigid and flexible dual composite foundation. The construction device of the non-reinforced spread foundation comprises a device body and a prefabricated L-shaped pinboard, wherein a second L-shaped baffle which can be in sliding fit with a first baffle is arranged on the L-shaped pinboard, and a feed opening, a discharge opening and a mixing inner cavity are formed in the device body. The method based on the device comprises the steps of preparing for construction and sinking a rigid pile; positioning a flexible pile, taking a drilling machine in place, drilling to form holes, and pouring lime to tamp layer by layer; constructing the non-reinforced spread foundation; excavating earthwork in a foundation pit, cutting a tubular pile, and filling a core; installing a steel bearing plate; and constructing a mattress layer. The invention provides the construction device of the non-reinforced spread foundation, and the device body is pulled to discharge during pouring, so that the construction of the non-reinforced spread foundation is convenient; additionally, the non-reinforced spread foundation is constructed between the rigid pile and the flexible pile, so that the whole foundation is in point-line connection, the overall carrying capacity is increased, and the building settlement probability due to natural environment influence after completion is reduced.

The invention provides a reinforcing structure and method for a damaged concrete pavement panel. The reinforcing structure for the damaged concrete pavement panel comprises the concrete pavement panel with the planed surface, a reinforcing groove, multiple pairs of horizontal rebar embedding holes, and vertical rebar embedding holes. The horizontal rib embedding holes are formed in the two groove walls of the reinforcing groove, and the vertical rib embedding holes are formed in the concrete pavement panel. Horizontal rebars are fixedly arranged in the horizontal rebar embedding holes, vertical rebars are fixedly arranged in the vertical rebar embedding holes, and a steel fiber reinforced concrete cover is poured and fixed to the concrete pavement panel. The reinforcing method for the damaged concrete pavement panel includes the following steps that 1, surface planing is conducted; 2, the reinforcing groove is formed, and the multiple pairs of horizontal rebar embedding holes and the multiple pairs of vertical rebar embedding holes are drilled; 3, construction glue is poured, and the horizontal rebars and the vertical rebars are embedded; 4, steel fiber reinforced concrete is poured to form the steel fiber reinforced concrete cover. The bearing capacity of the concrete pavement panel is increased, the service life and the maintenance period of a road are prolonged, and the long-term use cost is reduced.

The invention discloses an aluminium alloy bar and glass fiber reinforced polyester board flexural strengthened glass beam member, and belongs to the field of building glass bearing structures and glass curtain walls. The aluminium alloy bar and glass fiber reinforced polyester board flexural strengthened glass beam member comprises a glass plate, aluminium alloy bars adhering to the upper and lower end faces of the glass plate in a length direction, left and right glass fiber reinforced polyester boards in bolted connection to both sides of the middle of a glass beam and left and right steelplates in bolted connection to both sides of two end portions of the glass beam. The aluminium alloy bar and glass fiber reinforced polyester board flexural strengthened glass beam member has the advantages that the glass beam plays a role in bearing an entire glass curtain wall and an entire glass structure glass panel, the member has good light transmission and beauty, the aluminium alloy bars adhere to the pressed side and tensioned side end face of glass, the glass fiber reinforced polyester boards and the steel plates are in bolted connection to the two sides of a section, it can be ensured that the general demolition cannot occur rapidly after the glass cracks, the glass fiber reinforced polyester boards and the steel plates have bearing capacity and ductility to a certain extent after the glass cracks, the member achieves flexural safety stock of the glass beam and can be equal to stress components in the structure.

The invention discloses a non-shear wall system of a fully fabricated building and a wallboard module prefabricating method thereof, the system comprises a plurality of steel frame wallboard modules integrally prefabricated by steel frame-heat preservation and sound insulation wallboards, and steel frame columns of the adjacent steel frame wallboard modules on the same layer are spliced and then are connected and fixed through column-beam connecting components and fasteners. The assembly units are steel frame wallboard modules, adjacent modules are connected and fixed through fasteners, and connection is convenient and reliable. Joints of adjacent modules are changed into dry connection from traditional wet connection, so that on-site wet operation is reduced, on-site construction efficiency is improved, and the construction period is effectively shortened; the factory prefabrication of the module is realized, and the processing progress is not influenced by weather and seasons. The plate type structure of the module is convenient to transport, wet operation basically does not exist on site, wall column systems, beam columns and wallboards can be bolted and combined on site, and construction is simple and convenient.

The invention discloses a city bus information management and dispatch decision support system based on network, wherein the system comprises a main server and an autonomy field in a distributed network computing system; and the main server comprises a grid portal, a workflow engine and an authentication center; the autonomy field comprises a field information servicing module, a field job manager, a field manager and a resource node assembly. The invention mainly solves two key problems: how to dispose the communication application service in the existing grid environment, namely service gridding disposition; and how to perform the bus decision support using the existing service, namely grid service instantiation process. The grid is used to specify and construct an urban traffic decisionsupport system, and various decision resources are encapsulated to form a grid service and distributed in each independent grid calculation node to perform the multi-node synergy dispatch. The systemhas high resource sharing, high throughput calculation and high team work.

The embodiment of the invention is suitable for the technical field of container scheduling, and provides a container scheduling method and device and a server, and the method comprises the steps: receiving a scheduling request of a to-be-scheduled logistics node, wherein the scheduling request comprises the number of to-be-scheduled containers; aiming at the scheduling request, determining a target logistics node meeting the number requirement of the containers to be scheduled; obtaining a target scheduling path between the target logistics node and the logistics node to be scheduled; and generating a scheduling instruction according to the target logistics node and the target scheduling path, and sending the scheduling instruction to the to-be-scheduled logistics node and the target logistics node to indicate the to-be-scheduled logistics node and / or the target logistics node to perform container scheduling according to the scheduling instruction. By adopting the method, the cooperative operation capability of each logistics node can be improved, and the utilization rate of the container is improved.

The invention discloses a connection structure for a combined wall-light steel frame hybrid house. The connection structure comprises a H-shaped steel beam, a steel column, a spatial truss, an upper wall trestle column, a lower wall trestle column, wherein the steel column and the spatial truss are arranged at the two ends of the H-shaped steel beam correspondingly, the upper wall trestle column is connected to the upper end of the spatial truss, and the lower wall trestle column is connected to the lower end of the spatial truss. The connection structure achieves connection of a thin-framework-wall combined wall and a large-plate-thickness H-shaped steel and improves the synergic deformation capacity of the thin-framework-wall combined wall and the large-plate-thickness H-shaped steel, under the action of static load, the truss is in an elastic work state, so that the lateral stiffness of the structure can be improved, the vertical bearing capacity of the structure is improved, underthe action of strong earthquake, the spatial truss generates deformation to dissipate energy, so that the combined wall is prevented from being damaged; and besides, the structural integrity can be obviously improved, and continuous collapse is avoided.

The invention relates to the technical field of logistics loading-unloading-transportation equipment and discloses a height-adjustable loading-unloading-transportation device which comprises a chassis, a front-end liftable transportation section, an inclined transportation section and a lifting drive mechanism, wherein the rear end of the inclined transportation section is fixed above the chassis; the tail end of the front-end liftable transportation section is hinged with the front end of the inclined transportation section; and sliding wheels used for moving are arranged at the bottom of the chassis. Through the height-adjustable loading-unloading-transportation device disclosed by the invention, cargos can be loaded, unloaded and transported; through the lifting drive mechanism, the height of the front-end liftable transportation section and that of the inclined transportation section can be adjusted; and by adoption of the height-adjustable loading-unloading-transportation device, the loading, unloading and transportation of cargos at platforms and vehicles of different heights can be achieved.

The invention discloses a precast concrete column and steel beam connecting joint with inner partition plates. The joint comprises a steel-encased sleeve fixed in a joint area, the steel-encased sleeve is fixed at the position, corresponding to the joint area, of a precast concrete column, the upper inner partition plate and the lower inner partition plate are arranged in the steel-encased sleeve,the upper inner partition plate and the lower inner partition plate are welded to the inner side of the steel-encased sleeve plate at the positions, corresponding to the joint area, of the top and the bottom of a steel beam, the upper inner partition plate and the lower inner partition plate each are provided with a longitudinal bar penetrating structure and a concrete pouring hole, the steel-encased sleeve and a reinforcement cage of the precast concrete column are pre-buried in a concrete solid of the precast concrete column, the part, corresponding to the steel-encased sleeve, of the reinforcement cage of the precast concrete column is composed of longitudinal bars, the outer side face of the steel-encased sleeve is flush with the outer side face of the column, and a steel corbel connected with the steel beam is welded to the outer side face, corresponding to the steel beam, of the steel-encased sleeve. The precast concrete column and steel beam connecting joint is simple in structure and convenient to assemble, has good mechanical properties, is safe and reliable, and has good integrality.

The invention provides an especial-big span suspension bridge of a uniparted hyperboloid space rope net main cable and a construction method thereof. A straight line character of the uniparted hyperboloid is used to change a vertical parallel cable rope system of an original suspension bridge. A thick and heavy centralized cable rope is changed into a dispersive space steel wire cable rope. Multiple strand of steel wire cable ropes are arranged in a cross mode. Space rope net main cable-cross nodes are fixed to form a space cable rope system of the uniparted hyperboloid type. An oval steel strengthening ring beam is arranged. A suspender and a stiffening beam are installed. A gate-type rigidity middle buckle is arranged. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system is built. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system has the advantages of being strong in span capacity, large in space structure rigidity, high in screw frequency ratio, good in wind resistance stability and the like. The novel space main cable system suspension bridge is capable of radically saving the problem of the wind resistance stability of the big span suspension bridge and used for projects of a striding sea connected island. The especial-big span channel suspension bridge of 3000-5000 meters is built.