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754 results about "Underground tunnel" patented technology
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Underground space high-precision positioning method based on laser scanning and sequence encoded graphics
InactiveCN102053249AMeet the application requirements of fast and high-precision positioningPhotogrammetry/videogrammetryElectromagnetic wave reradiationLaser scanningEngineering
The invention discloses an underground space high-precision positioning method based on laser scanning and sequence encoded graphics. Aiming at the rapid high-precision positioning, orientation, altitude determination and navigation of moving targets in a GPS signal-free underground well of a mine, the method can make the breakthrough in key directions from the design, decoding and optimized layout of the encoded graphics, the economical and rapid acquisition of a fine and accurate road network-a three-dimensional well network space model consisting of underground tunnels of mine, a high-precision positioning algorithm of the moving targets in well restraint spaces (precise resolving of position, direction, altitude parameters), a three-dimensional well network space matching algorithm, athree-dimensional navigation technology to a final navigation platform and terminal control system, and the like, thus key technologies for underground rapid high-precision positioning and navigationas well as software and hardware systems are formed to eventually achieve the leaping-development of a underground unmanned mining technology for the mine in our country. Besides, the method disclosed in the invention can also meet the application demands of large urban underground space, deep and long traffic tunnel, large grotto, large building interior, large overpass and subway space on the rapid high-precision positioning and navigation of the moving targets, thereby pushing forward the development of the underground space positioning technology in our country.
Owner:吴立新 +1
Hollow-hole rhombic parallel cut blasting damping method
InactiveCN102914226AReduce blasting vibration velocityReduce the impactBlastingDetonatorUnderground tunnel
The invention relates to a hollow-hole rhombic parallel cut blasting damping method. Blasting tunneling is performed on the tunnel face of an underground tunnel. The construction method comprises using a down-the-hole drill to drill a hollow hole with the diameter of 90mm to 180mm at the position of the middle of the tunnel face of the tunnel; using a hammerdrill to drill a plurality of blast holes, enabling the blast holes to comprise cut holes, auxiliary holes, periphery holes and base plate holes which are expanded around the hollow hole; filling explosives and detonators, using stemming to seal the blast holes, adopting rock emulsion explosives, and using ordinary millisecond nonel detonators or high-precison millisecond nonel detonators; and detonating the explosives according to blast hole arranging orders and detonator delay time. The hollow-hole rhombic parallel cut blasting damping method has the advantages that when an urban subway underneath passes buildings at a close range in a granite stratum and old resident houses, the blast vibration speed can be effectively controlled, influences of blast vibration on the buildings and life of residents are reduced, and compared with a traditional wedge cut blasting scheme, the hollow-hole rhombic parallel cut blasting damping method enables the maximum blasting vibration speed to be reduced by 50%.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Large diameter tunneling close range down-traversing small diameter subway tunnel distortion control method
InactiveCN101215969AGuarantee smooth constructionEnsure safetyTunnelsUnderground tunnelFinite element method
The invention discloses a method for controlling distortion for deep large diameter shield tunnels to under-pass small diameter tunnels, which pertains to the technical field of tunnel engineering. According to the method, the control range of the stratum loss ratio of newly established tunnels and the optimum value of the support pressure of the shield cut surface are acquired by using the finite-element method; soil pressure in front of the shield cut surface is kept relatively balanced by setting the optimal value of the support pressure, and the support pressure fluctuation range of the cut surface is controlled to range from minus 10kPa to plus 10kPa; the stratum loss ratio of the newly established tunnels is controlled within the allowed range. According to the construction technique measures, a test propelling area is arranged before the shield reaches a cross position. In the area, construction is carried out according to the situation of the existing underground tunnels above; and construction parameters are controlled and regulated to adjust the support pressure, the propulsive velocity and the amount of the grout to be injected in time; the shield passes through the cross position in combination with the optimal values of the construction parameters of the test propelling area. The invention can not only ensure the construction of tunnels to be carried out safely and smoothly, but also minimize the influence of construction on ambient environment.
Owner:SHANGHAI JIAO TONG UNIV
Method of underground scooptram autonomous travel, obstacle avoidance motion control and target path planning
ActiveCN103197675AFlexibleReliableAdaptive controlPosition/course control in two dimensionsProportion integration differentiationUnderground tunnel
The invention discloses a method of underground scooptram autonomous travel, obstacle avoidance motion control and target path planning. Firstly a main target path is planned according to underground tunnel conditions. Then a local obstacle avoidance target path which is attached on the main target path is planned, main target path data, an initial point, a termination point and offset distance data relative to the main target path of the local obstacle avoidance target path are stored in a scooptram controller. A transverse position deviation, a course angle deviation and a course angle deviation change rate are calculated through measuring data of a measuring system or a track prediction model, the three deviations form comprehensive deviation feedback signals through a fusion rule, the comprehensive deviation feedback signals serve as the input quantity of proportion integration differentiation (PID) corrective control, a control command is input to an electric-hydraulic proportional steering control system of the scooptram, a vehicle is driven to steer and track the target path, underground scooptram autonomous navigation and the obstacle avoidance motion control are achieved, and the method is convenient to use, flexible and reliable.
Owner:BEIJING GENERAL RES INST OF MINING & METALLURGY +1
Two-component polyurethane sealant
InactiveCN101818045AImprove adhesionEliminate intermediate dryingOther chemical processesPolyureas/polyurethane adhesivesPolyolUnderground tunnel
The invention discloses a two-component polyurethane sealant, consisting of a main agent and a solidified agent which have a mass ratio of 1:1.0-1:1.5, wherein the main agent is an end NCO group prepolymer obtained by reaction of vacuum dewatered polyether polyol and polyisocyanate, the weight ratio of mixed polyether polyol is 70%-80%, and the weight ratio of polyisocyanate is 5%-15%; and the solidified agent is formed by dewatering polyether polyol, diethylene triamine, a plasticizer and inorganic fillers to mix with a coupling agent, a catalyst and a defoamer, wherein the weight ratio of the mixed polyether polyol is 10%-20%, the weight ratio of a chain extender is 1%-5%, the weight ratio of the plasticizer is 50%-70%, the weight ratio of inorganic powders is 15%-25%, and the weight ratio of a chemical additive is 1%-2%. The invention has the advantages that the two-component polyurethane sealant has strong adhesion strength, wide adhesion range and excellent water proof property; the technical property achieves the technical requirements of a sealant JC / T 976-2005 for road and bridge caulking and a sealant JC / T482-2003 for polyurethane building, and can satisfy the use requirements in the fields such as road joints, construction engineering, civil engineering, sealing for the joints of metro tunnels and other underground tunnels and the like.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD +2
Digital mine tunneling search prediction method
InactiveCN102622526AEfficiently and accurately establishExcavation to achieveSpecial data processing applications3D modellingUnderground tunnelDependability
The invention relates to a digital mine tunneling search prediction method. Engineering geological data including tunnel data, mine data, databases and the like of mines are imported into a data cache region of a processor through input equipment, and integration of tunnel data of mines is completed by interface tools. A three-dimension tunnel structure is built by the aid of an interactive tool, tunneling is performed while tunnel attributes are established, and tunnel network topological structure is built for complicated mining areas. By the digital mine tunneling search prediction method, tunneling of actual engineering or simulated tunnel mining can be realized, and the optimal path of tunnels can be searched according to factors of tunnel length, tunnel geological structure change, geological structural characteristics, stability of surrounding rocks, water inrush property, gas emission and the like, so that risk prediction is realized and risk can be lowered. In addition, the digital mine tunneling search predication method is easy to popularize to applications for underground tunnels and pipelines, blow-off pipelines, underground rivers and the like, provides more visual digital information for underground engineering, and improves accuracy and reliability of data of geological exploration.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Three-dimensional high definition electric resistivity exploration and direct imaging method
InactiveCN101334484AAchieve multiple coverage measurementsImprove detection accuracyElectric/magnetic detectionAcoustic wave reradiationHigh densityInterference resistance
The invention discloses a three-dimensional high-resolution resistivity prospecting and direct imaging method, the main content is to use a unipolar-dipole device for forming a mutually crossed orthogonal observation system in a total test area; the application of the three-dimensional high-resolution resistivity prospecting and direct imaging method can overcome the problems that the existing two-dimensional high-resolution resistivity prospecting method has inaccurate tunnel positioning and undetermined tunnel shape caused by the side effects. Compared with the general three-dimensional high-density resistivity prospecting method, the three-dimensional high-resolution resistivity prospecting and direct imaging method has high sensitivity to underground tunnels, thereby truly realizing the multiple coverage measurements of underground analysis and distinguishing units, having stronger anti-interference and static offset removing capabilities and easily realizing the rolling measurement and the seamless connection of the test area. The three-dimensional direct imaging method is fast and effective, and has no problem of difficult convergence. The method can obtain more precise information of the positions, the sizes and the shapes of the underground tunnels, thereby having great significance for the study of the shallow fine geological structure.
Owner:JIANGSU UNIV
Underground high-precision navigation map establishment system and establishment method
ActiveCN109059942AOvercoming the problem of poor modeling accuracyImprove consistencyInstruments for road network navigationIntrinsic safetyUnderground tunnel
The invention relates to an underground high-precision navigation map establishment system and an establishment method. On the basis of the system comprising an underground geographic information system, an intrinsically safe modeling device and each intrinsically safe ultra wide band (UWB) anchor node which is set in each underground tunnel, the establishment method is further designed and introduced. According to the whole design, an underground high-precision navigation map can be rapidly established, environment model functions can be dynamically updated, a modeling result is input into the underground geographic information system, and a multilayer map model capable of providing auxiliary positioning and route planning for automatic movement of vehicles underground is established.
Owner:CHINA UNIV OF MINING & TECH
Technique for treating mine water utilizing mine underground tunnel space
InactiveCN101012091ASave on fixed investment costsImproved purificationDispersed particle separationMultistage water/sewage treatmentUnderground tunnelWater quality
The invention discloses a processing method of waste well impoundment, which is characterized by the following: elevating well water to the ground through pump; injecting into path below well through drug pond with oxidizer, neutralizer and flocculant; removing oil, iron and acid; circulating water partially; filtering; proceeding electric dialysis; sterilizing; fitting for agriculture, industry and living water grade by grade.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
Integrated device for separating gas, water and slag
InactiveCN102392676APrevent overrunningAvoid environmental problemsLiquid degasificationConstructionsSlagUnderground tunnel
The invention relates to an integrated device for separating gas, water and slag. The device comprises a methane gas and dust collector, a methane gas drainage gas, water and slag separator, a methane gas drainage pipe, a high-pressure pipeline component, a first pipeline component, and a second pipeline component, wherein the methane gas and dust collector is used for collecting gas, water and slag mixture which is obtained through fully mixing methane gas and dust jetted from drill holes through using water; the first pipeline component is used for connecting the methane gas and dust collector and the methane gas drainage gas, water and slag separator and sending the gas, water and slag mixture fully mixed in the methane gas dust collector to the methane gas drainage gas, water and slag separator; and the methane gas drainage gas, water and slag separator is used for separating the gas, water and slag mixture into gas, liquid, and solid. The invention has the benefit that methane gas, drill slag and dust which are jetted from the drill holes are prevented from entering into underground tunnels to cause over methane gas or continued work environmental deterioration.
Owner:SUZHOU SHIHAO BUILDING MATERIAL NEW TECH ENG
Settlement control construction method for transverse grouting guide pipe of shallow underground excavation tunnel
ActiveCN102606167ASimple structureImprove soil qualityUnderground chambersTunnel liningUnderground tunnelSoil texture
The invention discloses a settlement control construction method for a transverse grouting guide pipe of a shallow underground excavation tunnel. The method includes: laying an advanced small pipe and a horizontal cantilever grouting guide pipe; excavating a middle guide tunnel by a benching tunneling construction method; constructing a middle separation wall and a waterproof layer thereof; and respectively excavating a left guide tunnel, a left tunnel, a right guide tunnel and a right tunnel by the benching tunneling construction method. By the aid of the settlement control construction method, an unconsolidated stratum layer can be effectively consolidated, the soil texture of an unconsolidated stratum is improved, and ground settlement and stratum deformation caused by shallow underground tunnel excavation in the unconsolidated stratum are prevented.
Owner:XIAN UNIV OF TECH
A construction method for the communication channel of the broken stratum in the shield tunnel crossing the river
ActiveCN102287198AEnsure normal excavationMake sure the excavation is completeUnderground chambersBlastingEnvironmental resistanceGround contact
The invention relates to a construction method for an underground tunnel, in particular to a construction method for a river-crossing shield tunnel crushed stratum communication channel, which is used for solving the problems of failure of stratum reinforcement, long working period, high cost, poor quality and the like existing in the construction process of the conventional river-crossing shieldtunnel crushed stratum communication channel. The method comprises the following steps of: determining the position of the communication channel; before opening, performing pre-grouting to integrallyconsolidate broken rock outside the excavation outline of the communication channel; forming a high-strength waterproof curtain; before excavation, performing stress conversion; drilling and partitioning to remove a left line pipe sheet, brushing the top, performing tunnel excavation with a combined damping burst technology, and timbering; and drilling and partitioning to remove a right line pipesheet, brushing the top, and performing second lining construction by adopting a combination template. Due to the adoption of the construction method, water seepage is avoided after excavation, the technology is advanced, the blank of a communication channel pre-grouting technology is fulfilled, the working period is short, the mechanical degree is high, the process is simple, construction is environmentally-friendly, collapse is avoided, and over-excavation is greatly lowered; and the method has a wide application range.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1
Coal mine underground coal seam long drill hole staged fracturing permeability increase and gas extraction method
ActiveCN108643877AIncrease the scope of fracturing anti-reflectionEfficient extractionFluid removalGas removalUnderground tunnelCement paste
The invention discloses a coal mine underground coal seam long drill hole staged fracturing permeability increase and gas extraction method. The coal mine underground coal seam long drill hole stagedfracturing permeability increase and gas extraction method comprises the steps that a long drill hole with the length more than 100m are drilled into a coal seam using a underground tunnel drilling machine for a coal mine or a kilometer drilling machine; a rigid casing with an one-way valve is lowered into to protect the hole directly using the underground tunnel drilling machine or the kilometerdrilling machine, and casing centralizers are installed at regular intervals; after the casing is lowered, preset volumetric cement paste is injected into an annular space between the outer wall of the casing and a drill hole wall to carry out blocking and sealing; a rigid fracturing pipe with two or multiple packers is lowered into the casing to carry out coal seam staged fracturing step by stepor multistage staged fracturing; and the fracturing pipe and the packers are removed after staged fracturing permeability increase, the casing of coal seam long drill hole opening is accessed with a gas extraction pipeline after drainage finishes to carry out efficient extraction of gas. The engineering amount of a tunnel and hole-drilling can be greatly reduced, the coal seam gas extraction efficiency is improved, and the coal mine underground gas treatment cost is reduced.
Owner:CHINA UNIV OF MINING & TECH
ULT cable support system with saddles
A cable rack arm and support system suitable for underground power and communication service is made from reinforced non-metallic polymers that will not rust or corrode. A cable rack arm up to thirty inches long may be compression molded with long glass fibers in a polyester or vinylester matrix. Each cable rack arm is securely mounted to a non-metallic stanchion that may be made from a reinforced, pultruded composite material. Nonmetallic pins may be used to secure the cable rack arms to the stanchions. Each cable rack arm then supports one or more cables in cable saddles that are snap-fit atop the arm, thus keeping the cables accessibly organized in a manhole, tunnel or vault. Each saddle may include elastomeric dampening material to reduce shock and vibration in the mechanical and electrical environment in underground tunnels, vaults and manholes.
Owner:UNDERGROUND DEVICES
Three-dimensional stress test device for single-hole multi-point hollow fiber grating inclusion in rock mass engineering
InactiveCN104280167AAdaptableSolve the problem of insufficient couplingForce measurement by measuring optical property variationFiberEpoxy
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
High-strength confined concrete support system for underground tunnel
ActiveUS20180291736A1High integralityAvoid partial failureUnderground chambersTunnel liningSupporting systemShotcrete
A high-strength confined concrete support system for an underground tunnel. The support system includes multiple confined concrete arches, bolts and cables, and a prestressed steel strand backfilling system. The confined concrete arches all support the surrounding rock of the tunnel and are sequentially arranged along the tunnel. Every two adjacent confined concrete arches are connected by a longitudinal connection structure. The support system is provided with a plurality of layers of steel bar meshes on the surrounding rock side and the tunnel side, and shotcrete layers are sprayed on the support system and the steel bar meshes. The prestressed steel strand backfilling system comprises a prestressed steel strand system and a filling material. The filling material fills the space between each confined concrete arch and the surrounding rock to equalize a load on the confined concrete arch and generate prestress.
Owner:SHANDONG UNIV +1
Underground construction advanced detection method and system based on resistivity of multiple same source electrode arrays
ActiveCN103645514ASuppress interferenceReduce sensitivityElectric/magnetic detectionAcoustic wave reradiationUnderground tunnelEngineering
The invention relates to an underground construction advanced detection method and system based on resistivity of multiple same source electrode arrays. The underground construction advanced detection method and system is suitable for detection of unfavorable geology in a borehole-blasting method of underground construction including tunnels or underground tunnels or the construction process of a tunnel boring machine (TBM). The underground construction advanced detection method comprises the steps of (1) constructing an array type measurement electrode system on a working surface; (2) forming a power supply electrode system on a side wall, and arranging the other power supply electrode B and measurement electrodes N to the position far away behind the working surface; (3) providing positive and negative current through a power supply electrode A positioned on the working surface and the power supply electrode B positioned far away behind the working surface, utilizing each of measurement electrodes M in the array type measurement electrode system to measure electric potential respectively, and obtaining the electric potential difference of the measurement electrodes M and the measurement electrodes N in the working surface and fracture surfaces, wherein the step is repeated continuously until the power supply electrode system moves to the preset position, and the detection is completed; (4) performing inversion on the measured electric potential difference data by adopting least square linear inversion iteration process based on smooth constraint to obtain three-dimensional resistivity images of a geologic body in front of the working surface.
Owner:山东百廿慧通工程科技有限公司
Method and system for transporting and loading bulk materials in storage yard
ActiveCN101786553ANo splashHigh measurement accuracyWeighing apparatus for continuous material flowLoading/unloadingTransport systemUnderground tunnel
The invention particularly relates to a method and a system for transporting and loading bulk materials in a storage yard, which are suitable for bulk material accurate loading of railways, public roads and ships. The invention comprises a storage yard transporting system, a belt transport system and an accurate and rapid quantitative loading system. The invention provides an economical and effective transporting and loading system for bulk materials in a storage yard, which has the following advantages: 1) the storage yard transport system combing a disc vibrating feeder with a low clearance flow control gate is adopted, thus greatly lowering the upper height of an underground tunnel and improving the capability of transporting the materials in the storage yard; 2) the accurate and rapid quantitative loading system is adopted, thus having the characteristics of rapid loading speed, high loading precision and high automation degree; and 3) a four-roller belt weigher is adopted, thus realizing the linkage of the storage yard transport system, the belt transport system and the accurate and rapid quantitative loading system effectively and greatly improving the operation efficiency of the system.
Owner:BIRTLEY TIANJIN IND EQUIP
Screen door linkage control system
ActiveCN102127998AReduce dependenceRealize real-time linkage controlRailway componentsPower-operated mechanismWireless transmissionRelevant information
The invention relates to a universal screen door linkage control system suitable for various wireless transmission modes, belonging to the technical field of rail transit signal safety control. The invention aims to overcome the defect of single wireless technology in the existing screen door linkage control system and simultaneously satisfy the large scale development of the urban rail transit. The system comprises a vehicle-mounted control subsystem, a double-network redundant wireless communication subsystem, a ground control subsystem and a screen door control subsystem. The whole screen door linkage control system is organically integrated through various wireless transmission modes of the double-network redundant wireless communication subsystem, and opening / closing control of the screen door is completed according to the command of the vehicle-mounted control subsystem. Aiming at different environments such as underground tunnels, overheads and the like in the urban rail transit, the corresponding wireless transmission modes are adopted to complete efficient and reliable transmission of the relevant information of screen door control. The technical scheme has the following beneficial effects: the communication modes are flexible and varied; and the economic cost is saved.
Owner:BEIJING JIAOTONG UNIV
Flood protection for underground air vents
ActiveUS20160097212A1Mechanical visible signallingBurglar alarm by openingUnderground tunnelEngineering
Apparatus for allowing ventilation as usual for underground tunnels through a ventilation shaft opening to atmosphere yet preventing underground flooding from surface waters pouring through the grate, comprises an assembly that fits within the ventilation shaft and includes one or more panels held in an upright home position that allows ventilation as usual but is releasable to rotationally gravitate to a lower sealing position closing a passage between the ventilation shaft and atmosphere to prevent water from entering the underground tunnels. A panel position indicator moves from a hidden position to a visible position with lowering of the panels to visually signify that the panels are lowered and that flooding protection is activated.
Owner:FLOODBREAK
Convenient and smooth flyover crossroad traffic building without traffic light
The invention relates to a convenient and smooth flyover crossroad traffic building without a traffic light, consisting of ground lanes, underground tunnels and ground flyovers. The ground roads are characterized in that straight lanes and right-turn lanes with separated direct and retrograde lanes are arranged at longitudinal crossroads, and right-turn lanes with separated direct and retrograde lanes are arranged at transverse crossroads. The underground tunnels are straight lanes with separated direct and retrograde lanes at the transverse crossroads. The ground flyovers consists of four left-turn overhead channels which are communicated with the left-turn lanes of the longitudinal crossroads and the left-turn lanes of the transverse crossroads, and the back of the opening faces to the crossroads. In the invention, the condition that automobiles from each direction can run on the own lanes can be realized without arranging the traffic light, and the automobiles can smoothly run straightly, turn left, turn right and take a U-turn. The invention has advantages of reasonable shunt, high traffic flow rate, simple and reasonable structure, low cost and convenient use.
Owner:王伟榕
Hierarchical summation method for predicting hob abrasion through abrasion ratio consumption indexes
ActiveCN107180016AEliminates the effects of differences in wear increaseImprove formation applicabilityTunnelsComplex mathematical operationsUnderground tunnelStatistical analysis
The invention relates to a hierarchical summation method for predicting hob abrasion through abrasion ratio consumption indexes and belongs to the field of underground tunnel engineering construction technology. In order to quantitatively predict the hob abrasion at different hob positions when a shield tunneling machine drives into a compound stratum, statistical analysis is performed on the hob abrasion ratio consumption indexes SWIs (hob abrasion increments corresponding to unit rock-breaking volumes) at different positions according to stratigraphic classification on the basis of hob-by-hob measurement of the hob abrasion and hierarchical statistical analysis of corresponding rock-breaking volumes, and an SWI prediction equation suitable for homogeneous formations is obtained. The relation between the abrasion, the hob installing positions and a tunneling distance is considered at the same time in the SWIs, physical significance is clear, and the SWI prediction equation is high in prediction precision. The hierarchical summation method for predicting the hob abrasion through the abrasion ratio consumption indexes is proposed according to the correlation between SWI prediction equation coefficients and lithological characters. The method is based on engineering investigation data and is reasonable, the steps are clear, and the method is beneficial for scientifically making budgets, reasonably arranging hob replacement opportunities and improving shield tunneling efficiency and has important theoretical significance and practical value.
Owner:NANJING UNIV OF TECH
System for detecting a suspected area
ActiveUS20100036544A1Railway tunnelsDigital data processing detailsMobile vehicleCommand and control
It is well known that tunnels in many cases have been proven as an efficient means to overcome counter trespassing means and enable hostile entities to infiltrate a boarder or other restricted area. There is provided a method and system for efficiently detecting and locating underground tunnels.According to certain aspects, of the invention there is provided a system and method for detecting a suspected area, comprising an underground pipe array disposed substantially in horizontal orientation under the ground and including at least two pipes, the at least two pipes being disposed at different depths, at a predefined distance one with respect to the other, each of the at least two pipes creating an underground pathway infrastructure for accommodating at least one mobile vehicle; each one of the mobile vehicles being equipped with at least sensing and navigation devices for patrolling along a respective pipe, in a coordinated manner, for detecting a suspected area; the predefined distance is designed to be within an effective operational distance of the sensing and navigation devices; command and control, configured to control at least the mobile vehicles, gathering and processing the vehicles' data and creating an updated situation awareness picture of the underground medium.
Owner:ISRAEL AEROSPACE IND
Waste conveying system
ActiveUS8727671B2Cost-effectiveReduce disadvantagesPackaging by pressurising/gasifyingPackaging toiletriesUnderground tunnelEngineering
A waste conveying system in which waste is collected / conveyed, e.g. by a suction system, in a waste container (10) of a regional waste space (16) or a transport container in which / from which the waste is then conveyed to further treatment. The waste space (16) and / or the waste container (10) or the transport container is arranged in a tunnel (20), such as a traffic tunnel, advantageously an underground tunnel, or in its vicinity, or there is a conveying connection from them to the tunnel (20) through which the waste is conveyed away.
Owner:MARICAP OY
Tunnel deformation evaluation and support design method and system based on three-dimensional geological information
InactiveCN106156432AGood synergyEfficient managementGeometric CADData processing applicationsDecision makerGeomorphology
The invention relates to a tunnel deformation evaluation and support design method and system based on three-dimensional geological information. The method includes the following steps that 1, three-dimensional geological information data is collected and summarized; 2, a regional three-dimensional geological model is constructed according to collected three-dimensional geological information data; 3, adit and borehole data is catalogued and investigated, and spatial distribution of initial stress and rock mass mechanical parameters of the region where a grotto structure is located through the three-dimensional space cube network DSI interpolation technology is obtained; 4, a tunnel geometric structure model is constructed in the three-dimensional geological model, and deformation of a specified tunnel section is calculated; 5, a support scheme is given according to the deformation, and a statistical summary result of engineering quantity is given out. An auxiliary project decision maker adjusts the arrangement and support schemes of an underground tunnel in time to achieve the purposes of safety construction and cost saving.
Owner:加华地学(武汉)数字技术有限公司
Imitative-ecological one-button factory breeding and domesticating method for frogs
ActiveCN103782958ASave land for facility constructionSave facility construction costsPisciculture and aquariaWater sourceUnderground tunnel
The invention relates to an imitative-ecological one-button factory breeding and domesticating method for frogs. A breeding water source, a breeding facility and ecological breeding are involved. The water source is composed of an underground tunnel water pool, a filtering pool, a heat preservation soil layer and a direct-current ultraviolet sterilizer; a breeding pool comprises a cuboid water pool which comprises two shallow water areas, a deep water area and a dirt depositing area, a cave is formed in one side corner of the pool bottom, a food platform is arranged on the cave, and an upper ramp and a lower ramp are arranged on the wide edge of the food platform. Inverted eaves are arranged above the pool wall, and a water inlet tap with the angle adjustable is arranged on the inverted eaves. No hormone is added for breeding, breeding frogs are soaked in 3% edible salt water for 15 min for disinfection when placed in the pool, and 5% salt water or quick lime water is splashed all over the pool for disinfection every 10 days-15 days in the thetadpole period, the froglet period and the mature frog period; at ordinary times, a medicine bag is made of Chinese gall, cordate houttuynia, common andrographis herbs and other Chinese herbal medicine and placed in the pool to prevent lesions and disinfect, the medicine bag is changed every 20 days; calculated according to the breeding pool of 0.48 m<3>, the medicine bag comprises, 20 g-50 g of the Chinese gall, 20 g-38 g of the cordate houttuynia and 20 g-35 g of the common andrographis herbs.
Owner:龙南源头活水生态科技有限责任公司
ULT cable support system
A cable rack arm and support system suitable for underground power and communication service is made from reinforced non-metallic polymers that will not rust or corrode. A cable rack arm up to thirty inches long may be compression molded with long glass fibers in a polyester or vinylester matrix. Each cable rack arm is securely mounted to a non-metallic stanchion that may be made from a reinforced, pultruded composite material. Nonmetallic pins may be used to secure the cable rack arms to the stanchions. Each cable rack arm then supports one or more cables in cable saddles that are snap-fit atop the arm, thus keeping the cables accessibly organized in a manhole, tunnel or vault. Each saddle may include elastomeric dampening material to reduce shock and vibration in the mechanical and electrical environment in underground tunnels, vaults and manholes.
Owner:UNDERGROUND DEVICES
Crossroad barrier-free all-direction combined type transportation junction
InactiveCN102660914AGuaranteed all-round accessEase traffic congestionRoadwaysUnderground tunnelStructural engineering
The invention provides a crossroad barrier-free all-direction combined type transportation junction, relating to a crossroad section combined transportation facility for road transportation, and solving the problems that people and vehicles share the same road in the crossroad section in the urban road transportation, and the problems of the pedestrian inconvenience, the traffic jam and the like, caused by arrangement of waiting and limiting devices of traffic lights and the like. Crossroad section pavements (6) on the same horizontal plane are communicated in all directions through an oval roundabout (8), so that people and the vehicles are divided to ensure that the pedestrians can walk conveniently and safely. A longitudinal road underground tunnel (5) for the crossroad section is arranged to ensure that the vehicles going straight on a longitudinal road (1) can go straight. A transverse road arc spanning bridge (4) is arranged to ensure that the vehicles going straight on a transverse road (2) can go straight. An annular flyover (3) is arranged to ensure that all the vehicles turning leftward and rightward on the longitudinal road (1) and the transverse road (2) can go smoothly in all the directions.
Owner:赵鹏 +1
Method and apparatus for providing directional navigation indication
InactiveUS20120078511A1Improve abilitiesInstruments for road network navigationRoad vehicles traffic controlEmbedded systemMarine navigation
A method and apparatus to enhance the direction navigation capabilities of GPS-enabled devices, through the use of light indicators is proposed. The light indicators are positioned on the top, bottom, and sides of the GPS screen. The light indicators blink at different rates relatively to a distance to a destination. The light indicators show various effects to indicate various instructions, such as to go forward direction, to go onto an overhead bridge, to enter into an underground tunnel.
Owner:PANASONIC CORP +1
Construction method for lower section of underground tunnel
The invention discloses a construction method for the lower section of an underground tunnel. In the construction method, a hydraulic jack is arranged below the underground tunnel in the construction continuous stage and the underground tunnel structure is jacked according to the settlement of the underground tunnel structure so as to prevent the settlement deformation of the underground tunnel structure, ensure that the excavating construction of the lower section of the underground tunnel is completed under the condition of continuous running of underground transport and ensure the safety of the underground transport and the construction of the lower section.
Owner:上海天演建筑物移位工程股份有限公司
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