1911results about "Drainage" patented technology

The invention relates to an advanced treatment method for an open-type TBM passing water-rich fault zone based on parallel pilot tunnels. The advanced treatment method comprises the following steps that S1, the parallel pilot tunnels are arranged, wherein S101, the positions of the pilot tunnels are determined; s102, hole type design is carried out; s103, adjusting a bottom slope; s2, lateral drilling and drainage pressure relief are carried out; S201, lateral drilling and drainage hole arrangement are carried out; s202, determining the structure of the drainage hole; s203, drainage treatment is carried out; s3, lateral grouting reinforcement is conducted; S301, grouting holes are distributed; s302, the grouting holes are segmented; s303, grouting implementation is carried out; and S304, carrying out test inspection. According to the advanced treatment method for the open-type TBM passing water-rich fault zone based on the parallel pilot tunnels, the standardization and feasibility of prevention of mud burst and water burst of the water-rich fault can be improved, the treatment efficiency is improved, the water plugging and consolidation effects of advanced grouting are enhanced, the risk of occurrence of a sudden burst disaster is effectively reduced, and considerable economic benefits are achieved.

The invention discloses tunnel deeply-buried ditch construction equipment and method.The method comprises the following steps that S1, a self-propelled inverted arch trestle is moved to a construction section, a total station is adopted for lofting an excavation sideline of a deeply-buried ditch, and the sideline is marked; s2, driving tunneling equipment into an operation area, adjusting the center line of the tunneling equipment to be aligned with the designed center line of the ditch, meanwhile, lifting a slag removal conveying belt of a bridge approach machine to a specified height, enabling a transport vehicle to be in place, and enabling the equipment to run in a no-load manner; s3, a tunneling system of the tunneling equipment is started, and the tunneling equipment is driven by the control system to conduct tunneling operation according to a preset track; s4, muck in the muck collecting system is conveyed to a transport vehicle through a conveying belt to be transported outwards; and S5, after the ditch is excavated, a base is formed at the bottom, and meanwhile a temporary protection wall is installed. According to the device, the randomness of manual operation is avoided through mechanical operation, process control is more convenient, meanwhile, procedure connection gaps are reduced through continuous construction, and the problem that the exposure time of the inverted arch is too long is effectively solved.

The invention provides a mine water prevention and control risk early warning method and system based on earthquake and geology fusion, and belongs to the field of soil layer or rock drilling, the method comprises the steps that real-time earthquake data of an earthquake monitoring module and geological exploration data of a geological exploration module are received, and the geological exploration module comprises a drilling detection module and a hydrogeological analysis module; based on the real-time seismic data, the geological exploration data and a preset water prevention and control risk early warning model, obtaining a risk level including a risk level and a corresponding water prevention and control execution measure; triggering target execution equipment such as drilling equipment to perform prevention and treatment according to execution measures; drilling a monitoring hole and arranging an optical fiber osmometer to collect osmotic pressure data at a first risk grade; at the second risk level, grouting plugging is conducted on the crack drilling grouting holes; constructing a water guide hole in the aquifer at the third risk level, and guiding underground water to a safe area through a drainage pump group. According to the method, multi-source data are fused to realize graded accurate early warning and prevention.

The invention discloses an underground chamber structure of a compressed air energy storage power station, a construction method and a parameter optimization design method, and belongs to the field of compressed air energy storage and underground space engineering. A hard rock stratum building chamber is determined through systematic site selection investigation, a high-performance concrete lining (containing fiber reinforcement) and a polyurethane buffer layer are adopted to synergistically improve the stability, and a vinyl ester resin-based glass fiber reinforced plastic three-layer composite structure serves as a sealing layer (including a bonding layer, a reinforcement layer and an impermeable layer); the processes of sand blasting pretreatment, stepped joint and the like are combined to guarantee the sealing performance; meanwhile, on the basis of a finite element model, structural parameters are optimized by taking the lowest whole life cycle cost as a target and taking strength, deformation, leakage rate and the like as constraints, and a recommended parameter combination of each structural layer is obtained in combination with an orthogonal experimental design and an improved genetic algorithm. The method is suitable for various geological conditions, the safety, economical efficiency and adaptability of the compressed air energy storage power station are effectively improved, and the method is suitable for large-scale application and popularization.

The invention belongs to the technical field of tunnel engineering and hydrogeological engineering, and particularly relates to a tunnel underground water pressure-limiting discharge management system and method based on data driving. A tunnel underground water pressure-limiting discharge management system based on data driving comprises a monitoring module, a processing module, a control module and an execution module. The monitoring module is used for collecting contact pressure, water pressure, steel bar stress, steel arch internal force, lining displacement, steel bar strain, underground water level and water turbidity as multi-source monitoring data; the contact pressure comprises the contact pressure between the primary support and the secondary lining and the contact pressure between the primary support and the surrounding rock. And the processing module is used for dynamically adjusting the weight coefficient of each monitoring index through an adaptive particle swarm optimization algorithm according to the multi-source information, and calculating a comprehensive early warning index # imgabs0 #. According to the scheme, through multi-source data real-time monitoring and self-adaptive algorithm dynamic adjustment, accurate drainage early warning is achieved, the structural risk is reduced, and safety and reliability are improved.

The invention relates to the technical field of tunnel engineering construction, in particular to a high and cold tunnel variable cross-section frozen soil thermal coupling safety hierarchical control construction method, which comprises the following steps: constructing a three-dimensional thermal coupling model considering frozen soil phase change characteristics based on an FLAC3d platform, and introducing a freezing frontal surface expansion speed prediction algorithm and ground temperature monitoring data to dynamically correct model parameters; a three-level safety threshold is established, a hierarchical control strategy is implemented, a pre-control period (heating and heat preservation), an excavation period (advanced small pilot tunnel and reverse top-picking expanding excavation) and a support period (asymmetric support) are divided, and a closed-loop system for monitoring, simulation, feedback and adjustment is established. The method comprises the following steps of: accurately regulating and controlling a temperature field, setting a phase change energy storage heat preservation layer, constructing a bionic drainage system, applying an intelligent construction platform with BIM (Building Information Modeling) and GIS (Geographic Information System) fused, integrating various sensing equipment for real-time monitoring, comparing monitoring data with a model prediction result, dynamically optimizing construction parameters and ensuring construction safety.

The invention discloses a telescopic grouting pipe-bag-electrode system and a using method, and belongs to the technical field of underground geotechnical engineering and tunnel engineering. The system comprises a grouting pipe, the grouting pipe is in a hollow cylinder shape and comprises a grouting pipe tail section, a grouting pipe middle section and a grouting pipe top section which are fixedly connected in sequence, and a grouting hole is formed in the grouting pipe middle section; the sliding mechanism is arranged on the tail section of the grouting pipe in a sleeving mode and can slide in the axis direction of the tail section of the grouting pipe; the grouting pipe is sleeved with the silicone rubber bag, one end of the silicone rubber bag is fixed to the top section of the grouting pipe, and the other end of the silicone rubber bag is fixed to the sliding mechanism to drive the silicone rubber bag to stretch out and draw back through the sliding mechanism; and the carbon fiber cloth electrode is attached to the outer side surface of the silicon rubber bag. According to the method, the bag expansion-electroosmosis method technology is combined, the reinforcing effect of the soft soil layer is improved, and foundation settlement is effectively controlled; and a sliding mechanism is further arranged, so that the installation problem caused by the fact that the diameter of a reserved grouting hole of the tunnel segment is small in the original reinforcement technology is solved.

The invention relates to a nanoscale grouting method for illite-smectite mixed layer surrounding rock, which is characterized by comprising the following steps of: S1, combined detection of a borehole television and a ground penetrating radar or a geological radar: carrying out rock mass structure detection in a manner of combining the borehole television and the ground penetrating radar or the geological radar, and obtaining a deformation rule of a roadway and surrounding rock in an area; s2, arranging grouting pipes and an exhaust pipe: arranging two long and short grouting pipes and one exhaust pipe in the grouting hole according to the deformation rule of the roadway and the surrounding rock in combination with numerical simulation of rock mass mechanics and the result of the numerical simulation; s3, grouting is conducted, specifically, grouting is conducted in a deep and shallow hole matching grouting mode; s4, secondary splitting grouting reinforcement is conducted, specifically, the mine illite-smectite mixed layer surrounding rock is reinforced through a secondary splitting grouting technology, the unfilled part in the primary grouting process is made up, and it is ensured that all gaps are filled with grout; and the illite smectite mixed layer surrounding rock can be grouted well.

The invention discloses a method for preventing and controlling floor water inrush in the technical field of mine water disaster prevention and control, which comprises the following steps of: 1, analyzing mine conditions: knowing geological conditions of a water-resisting layer and a water-bearing layer, and determining underground water conditions; 2, regional evaluation: probing the water yield property of the aquifer, and dividing the working face into an abnormal region and a dangerous region; 3, drilling is carried out, wherein hole verification area division is carried out, the water quality type is determined, and the water pressure is measured; 4, drainage and pressure reduction, wherein drainage is conducted in the main hole according to the water inrush coefficient, and meanwhile water pressure and water pumping amount fluctuation are monitored in the whole process; 5, observation holes are formed and monitored, specifically, a plurality of observation holes are additionally formed in one side of the main hole, and water level changes are monitored; sixthly, grouting reinforcement is conducted, specifically, grouting reinforcement is conducted at the main hole, and meanwhile the water pumping power is lowered; and 7, reinforcing result verification: evaluating the reinforcing effect. The method is easy to operate, and the ideal bottom plate reinforcing effect is achieved by conducting drainage pressure reduction and grouting reinforcement at the same time and arranging the observation holes.

Disclosed in the present invention is a water filling and drainage test device and method for a prefabricated crack-containing reinforced concrete lining pressure tunnel. The test device comprises a cylindrical barrel, a reinforced concrete lining containing prefabricated cracks, surrounding rock, geotechnical cloth, a front flange, a rear flange, and a monitoring instrument. The surrounding rock is proximate to an inner wall of the cylindrical barrel, and the reinforced concrete lining containing the prefabricated cracks is inside of the surrounding rock; and the front flange and the rear flange are fixed at two ends of the cylindrical barrel. The test device is used for carrying out a water filling and drainage test on the pressure tunnel, and observing the change in the width of the prefabricated cracks and the conditions of the pressure tunnel.

The invention provides a construction method for comprehensive treatment of seepage water of a deformation joint of a subway tunnel. The construction method comprises the steps of pretreatment of a seepage part, grouting and plugging of an inclined hole, reconstruction of a waterproof layer, brushing of waterproof paint, laying of a waterproof roll, installation of a rubber waterstop, reinforcement of embedded steel bars, construction of a waterproof coating film, installation of a drainage box system, recovery of decoration equipment and the like. The method comprises the steps of mechanical cutting, high-pressure cleaning pretreatment, double-liquid alternate grouting plugging, three-layer gradient waterproof layer reconstruction, high-elasticity waterproof coating brushing, self-adhesion type polymer coiled material laying, telescopic rubber waterstop installation, diamond thin-wall drill bar planting reinforcement, multi-layer waterproof coating construction and integration of a stainless steel drainage box system. And a treatment scheme with strong systematicness and excellent waterproof performance is formed. Compared with a traditional method, gradient construction and long-term effectiveness of the waterproof layer are emphasized, the flexibility and sealing performance of the waterproof structure are enhanced, deformation is effectively dealt with, the structure is reinforced, it is ensured that leaked water is effectively discharged, and the service life of the subway tunnel is prolonged.

The invention discloses a rock hydraulics-based high-position separation water monitoring and drainage control method, which comprises the following steps of: determining a separation water development position according to an early-stage exploration result; a monitoring drill hole and a drainage drill hole which are communicated with the separation water are constructed on the ground surface above the development position of the separation water; a water pressure sensor is arranged at the bottom in the monitoring drill hole; a water suction pump is arranged in the drainage drill hole; a plurality of micro-seismic sensors are arranged in a roof rock stratum of the working face at set intervals, and the development height of the water flowing fractured zone is determined according to micro-seismic signals collected by the micro-seismic sensors; determining the thickness of a separation layer water-resisting layer according to the development height of the water flowing fractured zone; determining an abscission water warning water head according to the thickness of the abscission water water-resisting layer; determining a warning water level according to the separation water warning water head and the separation water bottom plate elevation obtained through early-stage exploration, and setting the determined separation water warning water level as an early warning water level; the water level data in the monitoring drill hole are collected in real time, the real-time water level is obtained, when the real-time water head exceeds the early warning water level, the water suction pump is started to pump separation water, and separation water level control is achieved.

The invention discloses an intelligent integrated automatic pollution discharge, spray and dust suppression system for a coal mine tunnel, and relates to the technical field of automation. The system comprises a double-channel sensing assembly, a central controller, a mine communication link and an integrated pollution discharge spraying terminal group, the central controller obtains a dust image and a ground height image at the same time in combination with the double-channel sensing assembly, generates a roadway working condition grid map, completes dust level marking and ground height marking, extracts a dust cluster and a transition zone on the basis, and loads a pollution discharge component list. Constructing a descending chain from the outer edge of the dust cluster, selecting a ridge chain backbone, finally generating a cooperative control instruction set, issuing the cooperative control instruction set to the integrated pollution discharge spraying terminal group, and carrying out snapshot acceptance check by using a dual-channel sensing assembly after execution. According to the invention, accurate dust control, smooth sewage discharge and high resource utilization rate can be ensured, and the stability and long-term effectiveness of system operation can be maintained in a complex environment.

The invention discloses a tunnel base soil body active drainage system device and method based on drainage nails, and relates to the technical field of tunnel construction. The device comprises capillary adsorption tube wells, side ditches and a pumping drainage device, the capillary adsorption tube wells are arranged on the two sides of the bottom of a tunnel, and the multiple capillary adsorption tube wells are arranged in the longitudinal direction of the tunnel; each capillary adsorption tube well is arranged in the vertical direction and extends into a base soil body below a tunnel bottom, each capillary adsorption tube well comprises a waterproof tube section, a water seepage tube section and a bottom precipitation tube section which are sequentially arranged, and every two adjacent tube sections are connected through a plugging connector. The side ditches are arranged on the two sides of the railway ballast and used for gathering and discharging water in the capillary adsorption tube wells. And the pumping and draining device is used for pumping and draining water in the capillary adsorption tube well into the side ditch. A natural filter layer can be formed under the capillary action of the water seepage pipe section, silt is effectively prevented from inrush, and therefore the method is suitable for long-term water pumping and drainage construction in the heavy haul railway base operation period, and frequent pipe well cleaning does not need to be carried out.

The invention discloses a method for rapidly and efficiently extracting coal mine gas in a broken and soft coal seam, and belongs to the technical field of coal seam gas development and coal mine gas prevention and control. According to the method, geological features of a coal mining planning area are determined, a ground U-shaped well and underground bottom-pumped rock drift layer-crossing drilling combined treatment system is deployed, and regional large-scale treatment is achieved in a well factory mode; the fracturing transformation range and the fracturing fluid distribution characteristics are detected by using a ground and underground combined micro-seismic monitoring and underground transient electromagnetic method, and the arrangement of layer-crossing drill holes is optimized; dividing the cross-layer drill holes into drainage holes and air exhaust holes, and formulating a collaborative extraction system in combination with different drainage and extraction stages; the method solves the problems that broken soft coal seam gas extraction is low in efficiency and long in period, and treatment blind areas exist, treatment time is remarkably shortened, cost is reduced, and safe and efficient production of a coal mine is guaranteed.

Disclose is a separator for separating liquid from a fluid stream including a mixture of gas and liquid. The separator comprises a first vessel including an outlet and an inlet for receiving the fluid stream, the first vessel in fluid communication with a second vessel via a first valve, the second vessel in fluid communication with a liquid outlet via a second valve, wherein the first vessel is arranged to enable the liquid to flow into the second vessel. The separator also has a second valve for controlling release of liquid from the second vessel, the first and second valves being pneumatically operated, the pneumatic operation of the first and second valves allowing only one of the first and second valves to be open during operation of the separator.

The invention provides a full space-time joint prevention and control method for repeated mining water inrush risk of a deep close-distance coal seam group. The method comprises the steps that a working face roadway arrangement scheme is optimized through physical simulation and numerical simulation before stoping, an open-off cut and inclination double-internal-error arrangement mode is formed, and floor roadway arrangement is conducted; the thickness of a water-resisting layer is increased through area treatment before stoping, so that the water inrush coefficient is reduced; monitoring time, space and intensity information of a micro-seismic event in the area during recovery, and determining a micro-seismic monitoring early warning level; and observing a mine pressure value and hydrological information during stoping, paying attention to changes of the mine pressure value and the hydrological information, and performing pushing and mining speed control and fixed-point dynamic water drainage and pressure reduction in combination with a micro-seismic monitoring early warning level and a deep event dense area so as to reduce a water inrush coefficient of a working face. Through combined control of three methods of mine pressure, water pressure and micro-seismic monitoring and early warning, the water inrush risk can be reduced and safe mining of the working face can be guaranteed through the whole time period before mining and during mining.

The invention discloses an underground large-water mine fine ore recovery technology, and relates to the technical field of fine ore recovery. The method comprises the steps that S1, underground equipment is prepared and arranged; s2, collecting fine ore in the stope; s3, ore screening and material preparation; s4, determining the diameter of the pipeline; s5, calculating the pressure loss of the pipeline; s6, stirring and modifying the ore pulp; and S7, ore screening and wastewater recycling. The process belongs to active recovery of the fine ore, all the fine ore produced in the mine can be recovered, the intermediate transportation and crushing steps of the recovered fine ore are omitted, and the problem that the ore slurry formed after the fine ore meets water blocks a draw shaft and a drainage channel is solved. And the fine ore is directly recovered and passes through the crushing stage, so that the loss of the fine ore in the transportation process is effectively reduced, and the resource recovery rate is greatly improved. Compared with the prior art, fine ore can be actively recycled, and the recycling efficiency is high. Equipment used in the process is more flexible, and there is no need to excavate more laneway projects for treating the fine ore.

The present invention relates to the technical field of coal mining, in particular to a method for constructing an artificial water guide channel through drainage boreholes in a roof aquifer by means of pulse fracturing. The method involves arranging drainage boreholes and using pulse fracturing to pre-form an artificial water guide channel in a sandstone fracture aquifer through the arranged drainage boreholes, thereby improving the permeability of dense and intact sandstone rock masses; the artificial water guide channel formed by the drainage boreholes in the sandstone fracture aquifer connects discontinuous water-bearing areas and water-rich areas, such that roof sandstone fracture water‌ is guided to the drainage boreholes through the artificial water guide channel, thereby achieving effective drainage of the boreholes and expanding the drainage radiation range of a single borehole. The present invention not only avoids arranging excessive drainage boreholes and remarkably improves the drainage efficiency of exploratory drainage holes, but also achieves an advanced drainage function in a stoping process. By means of the method, mine water disasters can be effectively controlled even under unfordable geological conditions, thereby guaranteeing safe production at mines.

The invention relates to the field of emergency drainage of high-speed rail tunnels, in particular to a pumping drainage method for gushing water of a high-speed rail tunnel, which comprises the following steps of: reasonably arranging a drainage pump truck, a first drainage pump group and a second drainage pump group, so that the drainage pump truck, the first drainage pump group and the second drainage pump group are used for pumping water in a relay manner; gushing water in the high-speed rail tunnel can be rapidly pumped and drained, and the pumping and draining efficiency of the gushing water in the high-speed rail tunnel is improved; the drainage function of the high-speed rail tunnel pump station in the high-speed rail tunnel can be quickly recovered, and high-speed rail tunnel construction can be quickly recovered; according to the pumping drainage method, the drainage process of gushing water of the high-speed rail tunnel is optimized, and the safety of drainage operation of the high-speed rail tunnel is guaranteed.

The invention provides a coal mine roof sandstone water long directional hole and short straight hole combined drainage prevention and control method, and belongs to the technical field of coal mine water disaster prevention and control. The method comprises the following steps: finely exploring geological and hydrogeological conditions, obtaining hydrogeological characteristics of an aquifer, and calculating static reserves and dynamic replenishment; designing and constructing a long directional hole, and determining a track parameter and a drainage amount; short straight holes are designed and constructed, a low-resistance abnormal area is arranged in a densified mode, and the drainage amount and the drawdown are calculated; constructing a multi-objective optimization model, and determining an optimal drilling position combination; partition drainage control is conducted based on the optimization scheme, the drainage speed and flow are dynamically adjusted, and grouting plugging is conducted on the waterless drill hole; the water inflow is monitored, and the drainage effect is judged according to the attenuation rate. Safe and efficient drainage of roof sandstone water is achieved, the mine water disaster risk is effectively reduced, and safe production of a coal mine is guaranteed.

The invention relates to the technical field of underground structures, in particular to a buffer chamber system for vertical feeding of mine materials, an excavation chamber is designed in a roadway near a feeding hole in the direction of the feeding hole to serve as a buffer channel, a buffer bottom table is arranged in the buffer channel, the surface of the buffer bottom table is a detachable steel plate, and the surface of the buffer bottom table is a 45-degree inclined plane; i-shaped steel is used for pouring and reinforcing the lower part with concrete, and a spring buffer device is mounted below the feeding hole for proper pressure relief. The problems of buffering, pressure relief and dust prevention after ground materials are vertically put into a well are solved, meanwhile, automatic collection after the materials are put can be achieved, the device can serve as a temporary buffering device to store part of the materials, and the materials are conveyed to a material demand site after being received.

The invention relates to a BIM-based residential area and coastal tidal area shallow-buried tunnel comprehensive construction method. The method comprises the following steps: step 1, carrying out deep fusion application of BIM, VR and GIS technologies; 2, measuring and positioning; step 3, advanced geological forecast; fourthly, tunnel construction is conducted; the tunnel construction comprises the steps of construction preparation, tunnel opening waterproof and drainage system construction, tunnel opening section construction, tunnel body excavation and primary support, monitoring and measurement, secondary lining, cable trough and ditch construction, and tunnel inner road surface and traffic safety electromechanical engineering construction. The influence on surrounding buildings and structures in the construction process is reduced.

The utility model discloses a gas storage tunnel transformed based on a waste chamber of a hydropower station, which belongs to the technical field of underground energy storage and comprises a backfill concrete layer, a reinforced concrete lining and a flexible concrete sealing layer which are sequentially poured on a surrounding rock of a chamber wall, and the cross section of the inner wall of the backfill concrete layer is circular. A plurality of water drainage floral tubes are arranged on the inner wall of the chamber at intervals in the circumferential direction of the chamber, the length direction of the water drainage floral tubes is consistent with the length direction of the chamber, the water drainage floral tubes penetrate through the two ends of the whole chamber, and a plurality of through holes are evenly distributed in the wall of each water drainage floral tube. During operation, the air tightness of the gas storage tunnel can be fed back through the exhaust condition in the drainage floral tube, meanwhile, external pressure water can be collected and discharged through the drainage floral tube, and damage to a lining of the gas storage tunnel is avoided; the flexible concrete sealing layer not only can adapt to deformation of the inner wall of the chamber caused by internal air pressure, but also can play a sealing role, so that the abandoned chamber of the hydropower station can be used as an underground gas storage of a compressed air energy storage power station.

The invention relates to the technical field of coal mining, and discloses a supporting device for safe mining of a fully-mechanized face fold structure belt, which comprises a hydraulic support, a supporting groove is formed in the middle of a top plate of the hydraulic support, a supporting mechanism is arranged in the supporting groove, and the supporting mechanism comprises a plurality of elastic arc-shaped plates; the opposite sides of the multiple elastic arc-shaped plates are rotationally connected with multiple supporting plates, a supporting rod is movably inserted into the bottom of each elastic arc-shaped plate, the two ends of each supporting rod are fixedly connected to the inner wall of the supporting groove, each supporting rod is movably sleeved with a supporting spring, and the two ends of each supporting spring are fixedly connected to the inner wall of the corresponding elastic arc-shaped plate; the grouting mechanism is arranged on the hydraulic support supporting base, the protection plate is arranged on the bottom side of the hydraulic support top plate and connected to the supporting plate through the fastening mechanism, broken stone is effectively prevented from entering the hydraulic support, safety hazards to workers are effectively avoided, the risk of mine tunnel operation is reduced, and the mine tunnel working environment is effectively improved; and the safety of workers is obviously improved.

The invention discloses a tunnel high-pressure gushing water comprehensive treatment method integrating probing, guiding, blocking, discharging and fixing, and belongs to the technical field of tunnel construction. The method comprises the following steps: exploring and dividing geological subsections; drainage: drilling a water diversion hole in the concentrated water gushing channel, and pre-burying a multi-stage drainage pipe for graded pressure reduction; blocking is conducted, specifically, the channel is closed through a layered pressure backfill grouting technology; a permanent drainage system is laid, and a deep drainage pipe is connected; reinforcement is carried out, and radial consolidation grouting and groove jumping type inverted arch dismounting and replacing are carried out; and the whole process is monitored in real time, and construction is dynamically optimized. According to the method, exploration, drainage, plugging, drainage, reinforcement and dynamic regulation and control are organically combined, the problems that water plugging, pressure reduction and cooperation are difficult in high-pressure water-rich karst stratum tunnel gushing water treatment are solved, and the method has the advantages of being prominent in systematicness, thorough in treatment, remarkable in pertinence, safe, controllable, novel in process, reliable in quality, dynamic in regulation and control, high in adaptability, obvious in comprehensive benefit and the like.

The utility model relates to the technical field of tunnel water seepage and drainage, in particular to a water seepage and drainage structure suitable for a tunnel in a water-rich area, which comprises a collecting pipe, the collecting pipe is connected with a water seepage and drainage pipe, a water catchment section is arranged at one end of the water seepage and drainage pipe close to the collecting pipe, and a hollow section is arranged at the other end of the water seepage and drainage pipe. And a flow velocity and flow sensor is arranged on the seepage and drainage pipe. The problems that in a tunnel surrounding rock lining structure in a water-rich area, water drainage is prone to blockage, and the flow speed and flow of seepage and drainage water are not easy to measure can be solved.

The invention discloses a water gushing tunnel section TBM construction method which comprises the following steps that an advanced geological forecast system is arranged in front of a TBM cutterhead and is transmitted to a central processing unit of a TBM main control room; according to rock mass fracture development degree data and real-time water pressure data obtained by an advanced geological forecast system, a water guide groove is formed in the top of a TBM shield; in the TBM propelling process, an advanced grouting system is started; after grouting operation is completed, the grouting effect is verified through a permeability coefficient detector arranged behind the cutterhead; and the drainage flow of the water guide groove is continuously monitored in the tunneling process. According to the method, accurate sensing of geological information, efficient discharge of gushing water, effective reinforcement of surrounding rock and automation of the construction process are realized through advanced geological forecast, targeted drainage system design, accurate grouting control and intelligent emergency response which are combined by multiple means, the risk of water gushing is reduced, and the construction safety and efficiency are guaranteed.

The invention discloses a mining vacuum drainage system, which relates to the technical field of mine drainage and comprises a tail end water collector, a height difference controller, a three-phase generator, a vacuum pipeline, an auxiliary pump station, a slag separator, a pump station system and a control system. It is ensured that the system safely and efficiently operates in roadways, tunneling faces or fully mechanized coal mining faces of coal mines, strip mines or non-coal mines. The system is applied to the tail end drainage requirement of a drainage system, a series of problems caused by decentralized drainage in a coverage area can be solved only through one vacuum drainage system, concentrated drainage of multiple drainage points is achieved, facilities such as a shift transformer, a switch, a cable, an electric pump, an air pump and an air pipe are omitted, and the cost is reduced. Concentrated drainage can be achieved only through the pump station, the vacuum pipeline and the matched water collector, great cost is saved in the aspects of purchase, installation, operation and maintenance, energy consumption, inspection, overhaul, recovery and the like of traditional drainage equipment, and the comprehensive efficiency of an original drainage system is remarkably improved.

The invention relates to the technical field of tunnel engineering disease treatment, in particular to a construction method of a drainage system for karst tunnel inverted arch upheaval disease treatment, which comprises the following construction steps: S1, arranging settlement monitoring points in a disease section tunnel, and arranging a reinforcing structure in a lining arch foot area; and S2, the existing disease inverted arch is broken and removed section by section according to the preset length, and temporary supporting is carried out in time. And S3, an overhaul window is dug in the lining through a water mill drill, and a supporting structure is synchronously installed. And S4, a foundation trench is excavated in the bottom of the inverted arch, a concrete strip-shaped foundation is poured to serve as a foundation of the steel corrugated pipe arch culvert, the steel corrugated pipe arch culvert is installed, the axis of the steel corrugated pipe arch culvert is consistent with the karst cave water flow direction, and the steel corrugated pipe arch culvert is in sealed butt joint with the confluence overhaul groove. And S5, a drainage pipe is pre-buried in the inverted arch reconstruction section, the confluence overhaul groove and the central drainage ditch are connected, and finally concrete is poured to seal the inverted arch structure. The method effectively solves the problem of upheaval of the inverted arch caused by water burst of the deeply-buried karst cave, reduces the damage of the lining structure, and improves the long-term stability of the tunnel.