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63results about How to "Work together effectively" patented technology
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Concrete for steel reinforced concrete combined structure with C160 strength level
InactiveCN103539407AIncreased durabilityHigh strength and durabilityCarrying capacityReinforced concrete
The invention discloses concrete for a steel reinforced concrete combined structure with C160 strength level. The concrete is composed of cement, fine aggregate, coarse aggregate, water, a concrete super plasticizer, a defoaming agent, silica fume, fly ash and an activator according to a ratio of 468:782:1116:108:16:1:65:117:6. The preparation method is as follows: firstly, uniformly mixing the concrete super plasticizer and the activator in weighed water to obtain a mixture, sequentially adding 1 / 3 of total dosage of the fine aggregate and the mixture in a stirring machine according to a weight ratio, and stirring; adding 1 / 3 of total dosage of the coarse aggregate and the mixture and stirring; and adding the cement, the silica fume and the fly ash, and stirring; and adding the defoaming agent and the rest mixture, stirring and discharging. The concrete can greatly perfect the adhesive property between section steel and the concrete under a natural state, effectively play the respective mechanical properties and mutual cooperative working performance of the steel and the concrete and greatly improve the carrying capacity, application performance and durability of the structural member, thereby having good high-volume stability and economical efficiency.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Cloud computing based internet information monitoring system and method
ActiveCN101902497AWork together effectivelyImprove real-time performanceTransmissionSpecial data processing applicationsCloud computingInformation monitoring
The invention provides a cloud computing based internet information monitoring system and method. The system comprises a plurality of user terminals, an acquired task coordinator and a data coordinator, wherein the user terminals are connected with the internet; each user terminal further comprises a search unit and a data management unit; the search unit is used for monitoring and acquiring the internet sites; the data management unit is used for managing the acquired internet information; the acquired task coordinator is connected with all the search units and is used for gathering the internet sites which each user needs to traverse as a total acquisition range and distributing the corresponding search range information to each search unit after division; and the data coordinator is connected with all the search units and all the data management units and is used for gathering the data acquired by all the search units and distributing and transporting the data to each data management unit according to the need of each user. The system has the advantage of high real time.
Owner:NINGBO ZHONGQING CYYUN NEW MEDIA TECH CO LTD
Concrete with strength grade of C140 used for profile steel-concrete composite structure
InactiveCN101913815AIncreased durabilityHigh Strength and DurabilitySolid waste managementCarrying capacityNatural state
The invention discloses concrete with strength grade of C140 used for a profile steel-concrete composite structure. The concrete is characterized by being prepared from cement, fine aggregate, coarse aggregate, water, a water reducing agent, an antifoaming agent, siliceous dust, coal ash(kg / m<3>) in a mixing proportion of 485:660:1,173:117:13:0.7:65:100. A preparation method of the concrete comprises the following steps of: adding the fine aggregate and the water in an amount of which is a half based on the total weight of the used water into a forced mixer according to the weight proportion in turn; uniformly stirring for 1 to 2 minutes; adding the coarse aggregate into the mixer; uniformly stirring for 2 to 4 minutes; adding the cement, the siliceous dust and the coal ash into the mixer; uniformly stirring for 2 to 3 minutes; adding the water reducing agent, the antifoaming agent and the rest water into the mixer; uniformly stirring for 2 to 5 minutes; and discharging to obtain a concrete mixture. The concrete can obviously improve the adhesive property between profile steel and the concrete in a natural state, effectively exert respective capacity and cooperative work performance of both materials, greatly improve the carrying capacity and performance of members, and improve the durability, high volume stability and economy of the members.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Connecting structure for assembly type concrete shear wall edge member
InactiveCN102691365AImprove the anchoring effectGuaranteed carrying capacityWallsShock resistanceRebar
The invention discloses a connecting structure for an assembly type concrete shear wall edge member. vertical connecting reinforcing steel bar, which can be provided with an upset head, is reserved through a hole reserved in a large-diameter metal bellows, and is sleeved with a continuous spiral stirrup; then the vertical connecting reinforcing steel bar and the continuous spiral stirrup are commonly inserted into the large-diameter metal bellows; and fine aggregate concrete (or a grounding material) is poured into the metal bellows, so that the reliable connection of the edge member is realized. Due to reliable anchoring of the vertical connecting reinforcing steel bar, the optimization of the diameter, the quantity and the plane arrangement of the vertical connecting reinforcing steel bar, and the increase of the wet joint area on a splicing surface, full exertion of the bearing capacity of the shear wall is ensured; and multiple effective restrain for the subsequentlly-poured fine aggregate concrete (or the grouting material) is formed by the shear wall stirrup, a horizontal tie bar, the metal bellows and the continuous circular spiral stirrup, and thus the integral performance of the part is remarkably improved. According to the connecting method for the edge member, which is provided by the invention, the stress continuousness of the vertical steel reinforcing bar is ensured, the deformaility and the ductility performance of the vertical steel reinforcing bar are remarkably improved, and the shock resistance of the assembly type concrete shear wall is improved. Meanwhile, the method is simple in manufacturing process and facilitates the practice and application.
Owner:SOUTHEAST UNIV
Composite heat-preserving wallboard
ActiveCN105421652AImprove carrying capacityImprove stabilityCeramic shaping apparatusBuilding componentsCrack resistanceEngineering
The invention discloses a composite heat-preserving wallboard which is composed of panels, rib plates, a core material and reinforcing materials. The panels comprise an upper panel and a lower panel. The rib plates comprise an outside rib plate A and an outside rib plate B. The panels and the rib plates form a cross section in a closed geometry form. The core material is placed into the cross section. The reinforcing materials are placed in the panels and the rib plates. The panels and the rib plates are made of concrete. A heat preserving core material is adopted as the core material. Meshed prestress long-fiber reinforcing grids are adopted as the reinforcing materials and compounded with the panels and the rib plates made of the concrete. According to the composite heat-preserving wallboard, as the meshed prestress long-fiber reinforcing grids are compounded, on the premise of hardly increasing the mass additionally, the panels and the rib plates are reinforced, it is ensured that the rib plates are effectively connected with the panels at the two sides, the fracture surface in the closed geometry form is formed, and crack resistance and ultimate bearing capacity of the composite heat-preserving wallboard are greatly improved.
Owner:NANTONG SUDONG NEW EXTERNAL WALL INSULATION BOARDCO
IP address allocation method and device for single board of BBU of base station
The invention discloses an IP address allocation method and an IP address allocation device for a single board of a BBU of a base station. The method comprises that: a main control single board determines a reference IP address of the single board according to the position information of the single board, wherein the single board comprises the main control single board and a peripheral single board; and the single board allocates IP address for chips to be allocated with addresses according to the reference IP address. By the method and the device, the uniqueness of the IP address of each single board and the expandability of the allocated IP on each single board can be ensured, so that various single boards of the BBU of the base station can effectively cooperate.
Owner:ZTE CORP
C170 strength-grade concrete for formed steel concrete composite structure
The invention discloses a C170 strength-grade concrete for a formed steel concrete composite structure, which is composed of 465 parts of cement, 816 parts of fine aggregate, 1094 parts of coarse aggregate, 96 parts of water, 16 parts of concrete superplasticizer, 1 part of defoaming agent, 70 parts of silicon powder, 115 parts of fly ash and 6 parts of activator. The preparation method comprises the following steps: blending the concrete superplasticizer and activator into weighed water to obtain a mixture, sequentially adding the fine aggregate and 1 / 3 of the mixture into a stirrer according to parts by weight, and stirring; adding the coarse aggregate and 1 / 3 of the mixture, and stirring; adding the cement, silicon powder and fly ash, and stirring; and adding the defoaming agent and the rest of mixture, stirring and discharging. The concrete can obviously improve the bonding property between the formed steel and the concrete in a natural state, effectively displays the respective mechanical properties and the synergic working performance of the steel and concrete, greatly enhances the loading capacity, service performance and durability of the structural member, and has favorable working performance and economical efficiency.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Concrete with strength grade of C100 used for steel reinforced concrete combined structure
InactiveCN101250040AIncreased durabilityHigh Strength and DurabilitySolid waste managementSuperplasticizerWater reducer
The invention discloses a concrete with strength grade of C100 for composite structure of section steel reinforced concrete, wherein the mix proportion of the concrete is 450 : 510 :1190 :144 : 12 : 60 : 90 of cement : coarse aggregate : fine aggregate : water : high efficiency water reducing agent : silica fume : fly ash, and the unit is Kg / m3. The concrete has the advantages of good mechanical property (comprises strength property, plasticity property and bonding capacity among the section steels), sound working property, good durability and relatively low cost and is adapted for composite structure of section steel reinforced concrete, further using the concrete can reduce construction procedure, save steels, increase construction efficiency and obtain significant economic benefit.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
System and method for providing and handling executable web content
InactiveCN101103352AWork together directlyWork together effectivelyTreatment using aerobic processesTransportation and packagingWeb browserWeb content
The present invention relates to a system for providing executable web content to a terminal. The present invention provides a system comprising a server, which provides an executable web content comprising a declarative language part in declarative language and a non-declarative part, and a gateway, which receives the executable web content from the server, converts it into a format executable in a web browser of the terminal, and transmits the converted content to the terminal.
Owner:INTEL CORP
Cloud printing realizing method based on cloud commerce modes
ActiveCN104049922AMeet printMeet needsTransmissionDigital output to print unitsThe InternetEngineering
The invention provides a cloud printing realizing method based on cloud commerce modes. The method is characterized in that at first, all commercial printing systems and documental printing service systems are set into a public cloud printing system and a private cloud printing system, secondly, the public cloud printing system obtains the printing and documental printing service requirements made by individual clients or unit clients through the internet, thirdly, the public cloud printing system obtains all private cloud information through the internet, fourthly, the public cloud printing system utilizes the cloud computing technology for effectively dispatching all resources joining the private cloud printing system, fifthly, by means of client side software of the private cloud printing system, the private cloud printing system manages and dispatches all the printing equipment resources in the private cloud printing system in a centralized mode, counts the service condition and the work load condition of the resources of the private cloud printing system in real time, and feeds the service condition and the work load condition back to the public cloud printing system so that dispatch of the whole system can be optimized in real time and printing can be finished. The method is beneficial for increasing the utilization rate of the cloud printing equipment resources, and reducing the equipment number and the use cost.
Owner:南京韵奇盈信息技术有限公司
Self-hole-forming and self-tapping shearing force connection piece and construction method thereof
InactiveCN106121053AImprove ductilityGood weather resistanceBuilding constructionsLandscape architectureFlange
The invention discloses a self-hole-forming and self-tapping shearing force connection piece and a construction method thereof. By means of the self-hole-forming and self-tapping shearing force connection piece, a laminated wood beam and a light-weight aggregate concrete flange are combined together. The self-hole-forming and self-tapping shearing force connection piece comprises a drill bit, a chip storage groove, a thread, a limiting joint, a nail rod and a hexagon head. The nail rod comprises a smooth section and a threaded section. The smooth section is poured in the bottom face of the light-weight aggregate concrete flange, and the threaded section is nailed into the top face of the laminated wood beam. The limiting joint capable of controlling the depth by which the shearing force connection piece is embedded in wood at any embedding angle is arranged between the smooth section and the threaded section. The self-hole-forming and self-tapping shearing force connection piece can be applied to floors and roofs of houses, landscape architecture and bridges of garden scenic regions and other structures.
Owner:NANJING UNIV OF TECH
Two-way prestressing semicircular steel plate online flawless stabilizing concrete cylinder method
ActiveCN106639347AReduce stress levelsWork together effectivelyBuilding repairsSheet steelReinforced concrete
Disclosed is a two-way prestressing semicircular steel plate online flawless stabilizing concrete cylinder method. The method comprises the steps that a reinforced section of a reinforced concrete cylinder is sequentially divided into an upper reinforced section, an axial prestressing jacking section and a lower reinforced section from top to bottom; the upper reinforced section and the lower reinforced section are each provided with an annular prestressing reinforcing structure, and annular prestressing reinforcing is applied to the reinforced concrete cylinder; at the axial prestressing jacking section, axial prestress is applied to the annular prestressing reinforcing structures installed on the upper reinforced section and the lower reinforced section through the axial prestressing jacking device. The structure of an existing cylinder is not damaged, online use of the cylinder is not affected, the applied axial prestress and annular prestress are adjustable, and it can be ensured that the existing structure and the reinforcing structure can be synchronously stressed; concrete inside the cylinder is converted by brittle failure into plastic failure, the strength, rigidity and ductility of the reinforced concrete cylinder are obviously improved, and the energy dissipation, seismic resistance and other properties are excellent.
Owner:HUNAN INSTITUTE OF ENGINEERING
C130 (strength grade) concrete for section steel-concrete combined structure
InactiveCN101913816AIncreased durabilityHigh Strength and DurabilityNatural stateUltimate tensile strength
The invention discloses C130 (strength grade) concrete for a section steel-concrete combined structure, which is characterized by being prepared by mixing cement, fine aggregate, coarse aggregate, water, water reducer, siliceous dust and flash ash in a mass / volume ratio of 485:650:1,156:123:13:65:100. The preparation method of the concrete comprises: adding the fine aggregate and half of the total amount of water into a forceful stirrer in turn according to a weight mixing ratio, uniformly stirring for 1 to 2 minutes, and adding the coarse aggregate; uniformly stirring for 2 to 4 minutes, and adding the cement, the siliceous dust and the flash ash; uniformly stirring for 2 to 3 minutes and adding the water reducer and the rest of water; and uniformly stirring for 2 to 3 minutes, and discharging to obtain a concrete mixture. The concrete has obviously improved section steel binding performance in a natural state and capability and coordinate operation performance of the concrete and the section steel can be fully played, so that the bearing capacity and performance of a member considerably are greatly improved and the durability, high-volume stability and economy of the member are improved.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Concrete with strength grade of C70 for section steel concrete composite structure
InactiveCN101195530AImprove workabilityImprove volume stabilitySolid waste managementSilica fumeReinforced concrete
The invention discloses a concrete with strength grade of C70 for composite structure of steel reinforced concrete. Mixed proportion of the concrete is that cement: coarse: aggregate: fine aggregate: water: effective water reducer: silica fume: fly ash is 400:576:1224:148:8:30:120. Component unit is Kg / m3. The concrete is in good mechanical properties (comprising strength, plastic and bond behavior between section steel and concrete), excellent in working performance, good in durability and relatively lower in cost, and is suitable for the composite structure of steel reinforced concrete. The use of the concrete reduces construction procedures, saves steel, improves construction efficiency and has remarkable economic benefit.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Construction method used for carrying out strengthening treatment on heavy haul railway bridge
ActiveCN102535356AHigh tensile strengthImprove shear resistanceBridge erection/assemblyBridge strengtheningConcrete beamsStructural engineering
The invention provides a construction method used for carrying out strengthening treatment on a heavy haul railway bridge. The construction method is characterized in that: 1} a support (2) is installed; 2) ribs are inserted on the bottom and at the side face of an original concrete beam (1); 3) a steel plate (9) is coated outside the bottom and the side face of the original concrete beam (1); 4) micro-dilatancy self-compaction concrete (11) is injected through a pouring hole (6); 5) the steel plate is coated outside a lateral partition plate (5), and meanwhile, the steel plate (9) is also coated outside the bottom so as to inject the micro-dilatancy self-compaction concrete (11); and 6) the support (2) is loosened after curing molding, thereby obtaining a steel-concrete combination beam by the injection micro-dilatancy self-compaction concrete and steel plates at the bottom and the side face. The construction method is applicable to different railways and highway bridges, and is particularly applicable to the heavy haul railway bridge.
Owner:CENT SOUTH UNIV +2
Intelligent planning method and system
InactiveCN109669462AWork together effectivelyReduce logistics costsPosition/course control in two dimensionsGlobal schedulingProblem description
The embodiment of the invention provides an intelligent planning method and system, and relates to the technical field of artificial intelligence. Through the intelligent planning method, the global scheduling on multirobots can be realized from the macro level; meanwhile, the distance between a robot and a package is considered; the priority is correspondingly set, so that all robots can effectively perform cooperative work; further, the optimal scheme is used for completing the warehousing and storage operation task; the logistics cost is effectively reduced. In addition, the domain description related in the method and system is used for describing a universal model of a warehousing and storage scene; the model can be repeatedly used after the building; the conditions of modification are few; users only need to modify the problem description by aiming at the concrete warehousing and storage problem. Therefore compared with the existing planning method, the method and the system havegood portability and expandability; the warehousing and storage problem planning can be efficiently completed.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
Concrete used for steel reinforced concrete composite structure and having C230 strength grade
InactiveCN105837119AIncreased durabilityHigh Strength and DurabilitySolid waste managementMixing operation control apparatusNatural stateMechanical property
Concrete used for a steel reinforced concrete composite structure and having the C230 strength grade is disclosed. A ratio of cement, fine aggregate, coarse aggregate, water, a water reducing agent, a defoaming agent, silica fume, fly ash, an activator, an expanding agent and a composite plastic retaining agent is 495:755:1284:100.5:20:1.4:98:122:10.5:51:0.60. The preparing method includes fully mixing the water reducing agent, the activator and the composite plastic retaining agent with the water to obtain a mixture, adding the fine aggregate and one third of the mixture into a stirrer in order, fully mixing, adding the coarse aggregate one third of the mixture in order, fully stirring, adding the cement, the expanding agent, the silica fume and the fly ash, fully stirring, adding the defoaming agent and the rest of the mixture, stirring and discharging. The concrete significantly improves adhesion performance between section steel and concrete under natural states, effectively exerts mechanical properties of the steel and the concrete and synergistic properties, greatly improves bearing capacity, using performance and durability of structural components, and has good high size stability and economical performance.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Concrete for steel reinforced concrete composite structure C250 strength grade
InactiveCN105777017AImprove workabilityImprove volume stabilityStructural elementReinforced concrete
The invention discloses concrete for the steel reinforced concrete composite structure C250 strength grade. The matching ratio of cement to fine aggregate to coarse aggregate to water to water reducing agent to antifoaming agent to silica powder to coal ash to exciting agent to expanding agent to composite plastic retaining agent is 504:769:1,308:102:21:1.5:100:125:11:52:0.65. A preparing method includes the steps that the water reducing agent, the exciting agent and the composite plastic retaining agent are evenly stirred into water to obtain a mixture, and the fine aggregate and 1 / 3 of the total mixture are sequentially added into a stirring machine according to the weight ratio and stirred to be even; the coarse aggregate and 1 / 3 of the total mixture are added and stirred to be even; the cement, the expanding agent, the silica powder and the coal ash are added and stirred to be even; the antifoaming agent and the residual mixture are added, and the mixture is stirred and discharged. By means of the concrete, the bonding performance between structural steel and the concrete can be remarkably improved under the natural state, the mechanical performance and the cooperative work performance of the steel and the concrete are effectively developed, the carrying capacity, the use performance and the durability of a structural element are greatly improved, and the concrete has the good high volume stability and the good economy.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Concrete having strength grade of C240 and used for steel reinforced concrete combined structure
InactiveCN105906258AImprove workabilityImproves natural bonding propertiesCement mixing apparatusReinforced concreteStructural element
The invention discloses a concrete having a strength grade of C240 and used for a steel reinforced concrete combined structure. The concrete is prepared from cement, fine aggregate, crude aggregate, water, a water reducer, an antifoaming agent, silicon powder, fly ash, an exciting agent, an expanding agent and a composite plasticity-maintaining agent in a ratio of 500: 760: 1293: 101: 20.2: 1.4: 97: 123: 10.5: 51: 0.60. The preparation method comprises the following steps: uniformly mixing the water reducer, the exciting agent and the composite plasticity-maintaining agent with water so as to obtain a mixture, successively adding the fine aggregate and one third of the mixture into a mixer according to weight proportion and carrying out uniform mixing; adding the crude aggregate and another one third of the mixture and carrying out uniform mixing; adding the cement, expanding agent, silicon ash and fly ash and carrying out uniform mixing; and adding the antifoaming agent and the residual mixture and carrying out stirring and discharging. The concrete prepared in the invention can substantially improve bonding between section steel and concrete in a natural state, gives full play to respective mechanical properties and mutual cooperation performance of the section steel and concrete, greatly improves the bearing capability, usage performance and endurance of a structural element, and has high volume stability and economic performance.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Efficient composite energy storage system for vehicles
ActiveCN102611203BLarge instantaneous charging and discharging powerWork together effectivelyElectrical storage systemBatteries circuit arrangementsCapacitancePower battery
Owner:TSINGHUA UNIV
CAE + CAD combined design method for turbomachinery
ActiveCN111368378AEfficient managementEfficient integrationGeometric CADDrawing from basic elementsStructure analysisDesign software
The invention discloses a CAE + CAD combined design method for turbomachinery. The method comprises the following steps: through one-dimensional aerodynamic design, three-dimensional models, three-dimensional numerical simulation analysis and finite element structure analysis of all parts of the turbomachinery are obtained, and drawings capable of being directly used for machining are obtained; based on a TurboTides integrated design platform and according to the three-dimensional geometric model obtained in the second step of the user, a CFD module and an FEA module are imported through one-key operation, whether the model meets the actual requirement or not is verified, the user can import the model into SolidWorks through one key, and detailed three-dimensional structures of all parts and two-dimensional drawings capable of being directly used for machining are generated. Compared with the prior art, the method has the following advantages: (1) unification of design software: effective management and integration of design data reduce interaction errors among software; (2) automatic detailed design: performing one-key CAD detailed design to generate a CAD drawing which can be directly used for processing; and (3) forming an effective design specification, wherein effective managers work cooperatively to form a unified specification.
Owner:合肥市太泽透平技术有限公司
Method for reducing switching frequency of micro base station and macro base station during cooperative work
ActiveCN104202783AWork together effectivelySimplify the switching processWireless communicationMacro base stationsElectrical and Electronics engineering
The invention discloses a method for reducing a switching frequency of a micro base station and a macro base station during cooperative work. The method comprises the steps of continuously receiving a CoMP measurement report and a cell switching measurement report of a user device when the user device goes into the CoMP region of a macro base station cell and the micro base station; prohibiting cell switching and appropriately increasing the transmission power of the PDCCH of the cell where the user device stays when a CoMP measured value satisfies a CoMP cooperative work condition, and determining whether cell switching is performed according to the cell switching measurement report of the user device when the CoMP measured value does not satisfy the CoMP cooperative work condition. The method for reducing the switching frequency of the micro base station and the macro base station during cooperative work has the advantages that the switching region is lagged beyond the CoMP region so that the cooperative work region and the switching region do not affect each other, and therefore, the cooperative work is more effectively and the switching flow becomes simpler, and meanwhile, the switching region is shifted beyond the cooperative work region so that the problem of frequent switching due to moving back and forth at the switching region also can be solved.
Owner:SUZHOU WEIZHAN COMM TECH
Concrete with strength grade of C90 for section steel concrete composite structure
InactiveCN101195531AIncreased durabilityHigh Strength and DurabilitySolid waste managementSuperplasticizerMechanical property
The invention discloses a concrete with strength grade of C90 for composite structure of steel reinforced concrete. Mixed proportion of the concrete is that cement: coarse: aggregate: fine aggregate: water: effective water reducer: silica fume: fly ash is 450:493:1207:150:12:60:90. Component unit is Kg / m3. The concrete is in good mechanical properties (comprising strength, plastic and bond behavior between section steel and concrete), excellent in working performance, good in durability and relatively lower in cost, and is suitable for the composite structure of steel reinforced concrete. The use of the concrete reduces construction procedures, saves steel, improves construction efficiency and has remarkable economic benefit.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
C210-strength-level concrete for steel reinforced concrete composite structures
The invention discloses a C210-strength-level concrete for steel reinforced concrete composite structures. The concrete is composed of 482 parts of cement, 736 parts of fine aggregate, 1252 parts of coarse aggregate, 97 parts of water, 18.8 parts of high-performance water reducing agent, 1.2 parts of defoaming agent, 96 parts of silicon powder, 120 parts of fly ash, 10 parts of excitant, 50 parts of excitant and 0.50 part of composite plastic retaining agent. The preparation method comprises the following steps: uniformly mixing the water reducing agent, excitant and composite plastic retaining agent in the water to obtain a mixture, and sequentially adding the fine aggregate and 1 / 3 of the mixture into a stirrer according to the weight ratio; adding coarse aggregate and 1 / 3 of the mixture, and uniformly mixing; adding the cement, expanding agent, silica fume and fly ash, and uniformly mixing; and adding the defoaming agent and the rest mixture, stirring and discharging. The concrete can obviously improve the bonding property between the steel bar and concrete in a natural state, effectively displays the respective mechanical properties and synergic working properties of the steel and concrete, greatly enhances the carrying capacity, service performance and durability of the structural member, and has high volume stability and favorable economical efficiency.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Ultrahigh-strength basalt fiber composite concrete and preparation method thereof
InactiveCN108585677AImprove bonding propertiesReduce construction processReinforced concreteBasalt fiber
The invention discloses ultrahigh-strength basalt fiber composite concrete and a preparation method thereof. The ultrahigh-strength basalt fiber composite concrete comprises cement, fine aggregate, coarse aggregate, fly ash, a silica powder, an expansion agent, a defoamer, water, a water reducer and fiber as raw materials according to a mixture ratio of 482.6 to 831 to 1046 to 111.6 to 86 to 39 to1.1 to 100 to 19.7 to 9.5, and the unit of the mixture ratio is kg / m<3>; the fiber comprises basalt fiber and carbon fiber according to a volume ratio of 0.4 to 1. The ultrahigh-strength basalt fibercomposite concrete has the advantages of capability of significantly improving the bonding performance between sectional steel and concrete, effective exertion of the mechanical properties of the steel and the concrete and great improvement on the bearing capacity and the durability of an SRC (Steel Reinforced Concrete) structure.
Owner:XIAN AERONAUTICAL UNIV
Controller for automatically manipulating a horn signal for navigational purposes
InactiveCN1714376APrevent anti-sync featureWork together efficiently and economicallyAlarmsControl theoryFoghorn
Owner:TSX PRODS
Concrete with strength grade of C70 for section steel concrete composite structure
InactiveCN101195530BImprove adhesionWork well togetherSolid waste managementSuperplasticizerWater reducer
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
External physical controller for frequency conversion simulation of self-adaptive power system real-time simulation platform
ActiveCN106681153ASolve the problem of not working togetherEffective and reliable simulation basisAdaptive controlReal-time simulationElectric power system
The invention discloses an external physical controller for frequency conversion simulation of a self-adaptive power system real-time simulation platform. The external physical controller comprises computing units which are interconnected, a synchronous clock signal unit and an interface unit; the interface unit comprises a digital input interface unit, a digital output interface unit, an analog input interface unit and an analog output interface unit; the synchronous clock signal unit is provided with an interface which is used to connect with an external power system real-time simulation platform, clock signals which are used to accept synchronous clock signals output by the power system real-time simulation platform and provide various frequencies for the interface unit and signal computing units according to the received synchronous clock signals; the computing unit is used to generate control signals according to the received inputs and a preset control algorithm; the external physical controller for frequency conversion simulation of the self-adaptive power system real-time simulation platform solves the problem that in the power system real-time simulation platform, the existing controller cannot work correctly when the hybrid simulation is implemented.
Owner:STATE GRID CORP OF CHINA +4
Concrete for steel reinforced concrete combined structure with C160 strength level
InactiveCN103539407BIncreased durabilityHigh strength and durabilityReinforced concreteCarrying capacity
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Concrete with strength grade of C90 for section steel concrete composite structure
InactiveCN100577598CIncreased durabilityHigh strength and durabilitySolid waste managementSuperplasticizerMechanical property
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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