30results about How to "Guaranteed waterproof effect" patented technology

The invention discloses a construction method of earth cabin back filling and cabin entering operation during earth pressure shielding. The construction method comprises the following steps: (1) injecting bentonite slurry outside the casing of a shield machine; (2) injecting polyurethane outside the body of a shield to form a seal ring; (3) injecting two-liquid slurry outside a tube piece to form a seal ring; (4) replacing muck in an earth cabin with bentonite, and carrying out muck replacement through the cooperation of the a bentonite injection system and a spiral conveyer; (5) carrying out pressure injecting on low, middle and high-strength cement bentonite mortar slurry, and allowing the bentonite slurry in the earth cabin to form cumulates with certain strength; (6) injecting slurry to a cutting ring of the shield machine and the top of a cutter head; (7) carrying out cabin entering operation by constructors; and (8) closing an earth cabin door after cutter replacement is completed, injecting and back-filling bentonite to the earth cabin to establish an earth pressure balanced mode to restore tunneling. The construction method disclosed the invention breaks through the difficulty of cabin entering operation below a special unstable formation and the difficulty of cabin entering operation under a building during shielding, and has the characteristics of high efficiency, strong operability and the like.

The invention discloses a strongly-permeable stratum deep foundation pit bottom sealing water stopping structure, which comprises diaphragm walls, underwater plain concrete boards, reinforced concrete partition walls, uplift piles and inner supports, wherein the diaphragm walls are arranged around the foundation pit througgh casting; the inner supports support the diaphragm walls; the reinforced concrete partition walls are formed on the foundation pit below the diaphragm walls through casting; the reinforced concrete partition walls and the diaphragm walls of each two faces form a casting block in a surrounding mode on the foundation base; the uplift piles are casted on the foundation base inside the block; each underwater plain concrete board is formed through casting at each block opening formed by the reinforced concrete partition walls and the diaphragm walls in a surrounding mode; and the uplift piles are firmly embedded in the underwater plain concrete boards. The underwater plain concrete boards enhance overall strength and ridigity of the foundation pit bottom, dual effects of reinforced pit bottom and permeation prevention are provided, influences on stability of the pit bottom by high pressure water and raised pit bottom caused by excavation of the foundation pit can be effectively solved, and lateral displacement of the pit wall and settlement deformation of the surrounding enviornment can be well reduced.

The invention relates to a method for testing the force of bolts connecting a shield tunnel segment, comprising the following steps: 1) slotting (6) axially on the bolt (3); 2) pre-embedding a strain sensor in the slot (6) Components (4) and wires (5) connecting the strain sensor elements (4); 3) sealing the strain sensor elements (4) and wires (5) in the groove (6) with a sealant (10), and placing the wires ( 5) lead out from the head of the bolt facing outward; 4) install the bolt (3) between two adjacent segments of the shield tunnel, and fasten the connection, and connect the wire (5) to the testing instrument. This method realizes the stress test of the bolt by drawing grooves on the bolt to encapsulate the wire and the sensor. The components are not affected by the fastening of the bolts, the survival rate of the components is high, and the test effect is good. technical problems.

The invention discloses an open pit mine inner dump aquifer communication method. The open pit mine inner dump aquifer communication method comprises the work procedures of plugging an original aquifer, building an artificial water-resisting layer, building an artificial aquifer, dredging the aquifer, conducting artificial water replenishing and the like. According to the open pit mine inner dumpaquifer communication method, the original aquifer is plugged with degradable plastics, water resource loss is reduced, and the safety of a pit is guaranteed; construction raw materials of the artificial water-resisting layer come from the mine lot, the construction difficulty is low, cost is low, and the waterproof effect is guaranteed; the aquifer adopts the manner that the middle part bulges, and it is avoided that natural settling of the inner dump causes the aquifer to be compacted, sink and even be blocked; the artificial aquifer is arranged into multiple strips, a water retaining wall is built to reduce the influence of the internal water pressure on the stability of the inner dump, artificial water replenishing according to regions in a later period can be achieved, and water cannot flow into the pit; the artificial water replenishing manner is adopted to accelerate communication between the artificial aquifer and the original aquifer of the inner dump, underground water circulation in the mine lot is guaranteed, pit water can be utilized, and pit water waste is reduced.

The invention discloses a method for constructing external walls. The method includes steps of 1), arranging pouring formworks on two sides of each shear wall to be poured, and integrally connecting the pouring formworks on the two sides of each shear wall with each other by opposite pull lead screws; 2), pouring concrete between the formworks on the two sides of each shear wall, allowing the poured concrete to be formed to obtain the shear walls, detaching the opposite pull lead screws and the formworks on the two sides of each shear wall and allowing indoor and outdoor through holes to be formed in certain positions of the shear walls; 3), plugging opening ends of the outsides of the holes by rubber plugs; 4), injecting cement mortar or foaming agents in the holes from opening ends of the insides of the holes and enabling the holes to be compactly filled with the cement mortar or the foaming agents; 5), laying bricks to form brick walls between the adjacent shear walls and forming the integral external walls by the brick walls and the shear walls in an enclosed manner; 6), plastering internal wall surfaces of the external walls; 7), plastering external wall surfaces of the external walls. The opposite pull lead screws are detached from the certain positions of the shear walls. The method has the advantages that a process for plugging the holes is easy to operate and can be monitored, waterproof effects can be effectively guaranteed, the later maintenance cost can be saved, and the method has an excellent popularization and application prospect.

The invention discloses a one-hole multi-pore-water-pressure-gauge burying method. According to the one-hole multi-pore-water-pressure-gauge burying method, embedded pipes with the diameter smaller than that of a drilled hole or a buried sleeve pipe at a preset position of a soil layer to be measured are arranged in advance, water holes are formed in the side wall of each embedded pipe, pore waterpressure gauges are arranged in the embedded pipes, and the embedded pipes are filled with fine sand; the sealed embedded pore water pressure gauges simulating the soil layers are formed, the embedded pipes are placed at preset positions, the outer layers of the embedded pipes are filled with clay, so that hole seal layers are formed, and then fine sand is used for filling; and then burying of the multiple pore water pressure gauges at different depths is completed. In this way, the situation that since soil conditions may change greatly, an obtained testing result cannot accurately reflect the pore water pressure change law at different depths within the same vertical plane can be effectively avoided, it is effectively avoided that the pore water pressure gauges vertically communicate, it is guaranteed that water seepage of a sand cushion around a probe of each pore water pressure gauge is fluent, the changes of the pore water pressures at different depths show obvious difference, and the testing result is accurate.

The invention provides a construction method of roof waterproof engineering, and belongs to the field of building construction. The construction method of roof waterproof engineering adopts rubber coiled materials, and comprises the following steps that S1, the roof surface is cleaned; S2, a connecting structure protruding from the roof surface is pre-treated; and S3, the rubber coiled materials are paved and bonded. In the step S2, the pretreatment means that chamfering is performed between the connecting structure and the roof surface. During construction, by arranging a chamfer at the connecting structure protruding from the roof, a smooth transition between the connecting structure and the roof surface can be achieved, so that the rubber coiled materials can be smoothly bonded in the vicinity of the connecting structure to ensure the waterproof effect.

The invention discloses a waterproof LED lamp, and relates to the LED lamp technical field; the waterproof LED lamp comprises a lampshade; a pedestal is arranged in the lampshade; the lampshade comprises a lampshade body and a lampshade cover arranged on the lampshade body and buckled with the pedestal; one side of the lampshade cover is hinged to the lampshade body; the pedestal comprises a bottom plate and a side wall, wherein the pedestal is provided with a power supply, an anti-thunder device and a connecting line; the side wall is a one body structure, and provided with a through hole allowing the connecting line to pass; the end portion of the side wall is fixedly provided with a waterproof rubber ring, wherein the rubber ring is sealed with the lampshade cover. The waterproof LED lamp arranges the waterproof rubber ring between the lampshade cover and the pedestal, thus preventing water leakage and water seepage in the pedestal; the side wall is a one body structure, and can effectively prevent water filtering, thus ensuring waterproof effect of the waterproof LED lamp.

The invention provides an underground water obstruction device building method and an underground water obstruction device. The underground water obstruction device building method comprises the following steps that water isolation membranes are adhered to the ground to obtain a standby impermeable membrane, the sealing performance of the impermeable membrane is tested, the impermeable membrane isinclined at a set angle and is coiled into a reel shape after passing the sealing performance test, an impermeable membrane component in the reel shape is unfolded to form a smooth impermeable membrane through a slideway component arranged on a cut, and multiple smooth impermeable membranes form a whole in a sealing connection manner. In the underground water obstruction device building method, as the thickness of an adhesion position of each water isolation membrane is two times the thickness of the rest position, influence on the smoothness by coiling or unfolding can be avoided by enablingthe standby impermeable membrane to be inclined at a certain angle; and by adhering each water isolation membrane in a width direction on the ground surface, each water isolation membrane with an enough width and an enough length is formed, and the water isolation effect of the underground water obstruction device is fully ensured.

The invention relates to a construction method for a tunnel bridge construction joint sealing system. The construction method comprises the steps that two U-shaped grooves are formed in the side wall of a frame bridge and the front end face and the rear end face of a bottom plate; a water-swelling sealing strip is installed in each U-shaped groove; the side wall and the front end face and the rear end face of the bottom plate with the water-swelling sealing strips installed are painted with a concrete adhesion agent; concrete is poured into an approach bridge formwork, and it is needed to be noted that strengthening ramming is conducted on joints in the ramming process. The construction method for the tunnel bridge construction joint sealing system has the advantages that the adhesion agent is transparent liquid, and thus the quality and the attractiveness of engineering are hardly influenced. Compared with cement which is permeable, the adhesion agent is waterproof, capable of being crystallized, and better in waterproof effect; the water-swelling sealing strip can swell with water in a narrow space and can fully prevent underground water from seeping into concrete. A multiple water blocking system can be formed, and the waterproof effect can be effectively ensured. The waterproof quality of engineering can be ensured while the cost is reduced.

The invention discloses a waterproof adhesive for construction. The waterproof adhesive consists of the following components in parts by weight: 50-80 parts of a foamed polystyrene copolymer, 30-45 parts of gypsum powder, 15-25 parts of acetone, 8-15 parts of ferrous sulfate, 5-10 parts of barium chloride and 5-10 parts of liquid polysulfide rubber. The waterproof adhesive is simple to prepare and high in practicability and has very strong adaptability to climate changes in use, a long-term and lasting waterproof effect is ensured, and the service life of the waterproof adhesive is prolonged.

The embodiment of the invention provides a loudspeaker module. The loudspeaker module comprises a shell and a loudspeaker unit; the cavity in the shell is separated into a front sound cavity and a rear sound cavity by the loudspeaker unit; a non-closed first colloid is formed around the loudspeaker unit; the shell is provided with a gluing hole corresponding to the opening of the first colloid; asecond colloid is coated in the gluing hole; and the second colloid is formed around the loudspeaker unit, and communicated with the first colloid, so that a sealing part for sealing the rear sound cavity is formed. By means of the technical scheme in the embodiment of the invention, the size of the loudspeaker module can be reduced while the waterproof sealing property is ensured; and thus, design requirements of electronic equipment are satisfied.

The invention discloses a dewatering structure for preventing an underground structure from floating upwards and a construction method thereof. The dewatering structure comprises a water drain pipe, a water stop plate and a gravel filter layer; the drain pipe is arranged at the bottom of a water-collecting well, and the lower end of the drain pipe extends into a soil body below a cushion layer; water drain hole channels are formed in the side wall of the water drain pipe and located in the soil body at intervals; a pipeline of the water drain pipe is filled with an expansive concrete core, and the top face of the expansive concrete core is lower than the top end of the water drain pipe; a plugging plate is arranged in the pipeline of the water drain pipe and located on the top face of the expansive concrete core; the water drain pipe above the plugging plate is filled with a sealant; the water stop plate is annular and is welded to the outer side wall of the water drain pipe; the periphery of the water drain pipe is filled with the gravel filtering layer, and the top face of the gravel filtering layer is flush with the bottom face of the cushion layer; and the outer side of the gravel filtering layer is wrapped with geotechnical cloth. The technical problems that a traditional bottom plate reserved dewatering pipe well is complex in construction procedure, leakage is prone to occurring in the later period, and the dewatering well is damaged or stops running in the construction period of a basement main body structure are solved.

The invention discloses a terminal module, a socket and a terminal. The terminal module comprises a printed circuit board, a waterproof piece, a terminal and electromagnetic interference pieces, wherein the waterproof piece is arranged at one end of the printed circuit board; the waterproof piece is coated on one end of the printed circuit board; the terminal is arranged at the other end of the printed circuit board, and the other end is the end opposite to the waterproof piece; and the electromagnetic interference pieces are arranged on the surfaces of the upper end and the lower end of the printed circuit board respectively. The problem that the utilization rate of the terminal structure is low caused by the facts that the waterproof cost of an existing terminal module is too high and simultaneously the dimensions of a waterproof structure are relatively large is solved. The invention also discloses the socket and the terminal. Through the implementation of the scheme, the waterproofcost is saved, and simultaneously, the utilization rate of the terminal structure is improved.

The invention discloses a retaining wall applied to reinforcement of a flood protection engineering floodwall and a construction method, and solves the problem of weakening of the strength of a floodwall caused by formation of recesses due to scouring of a foundation by easy permeation of water into the foundation from joints due to closing of the joints between stones by concrete, wherein commonfloodwalls are built by the stones, and the floodwall is reinforced through building of the retaining wall in the prior art. A frame structure consisting of multiple longitudinal frames and transverseframes is used as the foundation; a first baffle plate, a second baffle plate and a clamping plate are provided; interval space for casting the concrete is respectively formed among the first baffleplate, the second baffle plate and the clamping plate; the clamping plate comprises a concrete plate basal body, and waterproof cloth for wrapping the concrete plate basal body; and the reinforced floodwall built through the retaining wall has the advantages of improvement of the tightness of the retaining wall, difficult scouring of the foundation by water entering the back surface of the retaining wall and improvement of the strength of the floodwall.

The invention discloses a through-pipe and soil-repellent waterproof buried power box, which comprises an upper bearing plate, a switch cover and a lower box body. The switch cover is installed abovethe upper bearing plate and buckled to the upper bearing plate. In the prior art, the outer surface of the pipeline will carry soil into the power box during the penetration of buried cable lines, andthe soil on the outer surface is mostly soil with high humidity and cannot be cleaned thoroughly because of the limitation of the buried power box, which will eventually affect the waterproof effectof the power box. The problem in the prior art is solved through a soil repelling mechanism of the equipment. The equipment can separate the wet soil and other excess impurities on the surface duringpenetration of cable lines, and it is ensured that the internal power box has better waterproof performance.

The invention discloses a modular coffer construction method for concrete without subsealing in the geologic condition of stratum: Firstly, a strutting piece and a guide frame are welded all around the outside of a steel barrel of a prepared cushion cap; Secondly, a lock steel pipe pile is downwards inserted along the guide frame, and the bottom of the lock steel pipe pile should reach the surface of a strong weathered rock; Thirdly, the inner of the steel pipe pile is downwards excavate vortically by a rotary drill rig, after deepening to the inner of a weak weathered rock, a drilled pile on the bottom of the steel pipe pile is constructed; Fourthly, after finishing all the drilled piles on the bottom of the steel pipe pile, a closed coffer is formed; Then, the river water in the coffer is drawn out and a support is installed in the coffer; After that, a submerged pump is arranged in coffer to draw out the percolating water, and then a foundation cleaning is dug by a digger to the bottom of the cushion cap; Finally, the concrete cushion is poured to the bottom of the cushion cap, and the cushion cap construction can be finished in the waterless and dry environment. The construction method has the advantages that the stratum does not need to be blown up under the water, the construction difficulties and amount are reduced, the whole stability of the coffer is strong, and the construction efficiency is high.

The invention discloses a construction method of earth cabin back filling and cabin entering operation during earth pressure shielding. The construction method comprises the following steps: (1) injecting bentonite slurry outside the casing of a shield machine; (2) injecting polyurethane outside the body of a shield to form a seal ring; (3) injecting two-liquid slurry outside a tube piece to form a seal ring; (4) replacing muck in an earth cabin with bentonite, and carrying out muck replacement through the cooperation of the a bentonite injection system and a spiral conveyer; (5) carrying out pressure injecting on low, middle and high-strength cement bentonite mortar slurry, and allowing the bentonite slurry in the earth cabin to form cumulates with certain strength; (6) injecting slurry to a cutting ring of the shield machine and the top of a cutter head; (7) carrying out cabin entering operation by constructors; and (8) closing an earth cabin door after cutter replacement is completed, injecting and back-filling bentonite to the earth cabin to establish an earth pressure balanced mode to restore tunneling. The construction method disclosed the invention breaks through the difficulty of cabin entering operation below a special unstable formation and the difficulty of cabin entering operation under a building during shielding, and has the characteristics of high efficiency, strong operability and the like.

The invention discloses a strip mine dumping site based on platform catchment planting pits. A thick water-resisting layer is laid in the final construction forming stage of each step of the strip mine dumping site; a planting pit is dug in the thick water-resisting layer through a double-layer round sleeve; after the double-layer round sleeve is inserted into the thick water-resisting layer, the inner-layer sleeve and a water-resisting layer material in the inner-layer sleeve are taken out together, and the outer-layer sleeve is left in the thick water-resisting layer; paving a water storage layer at the bottom of the planting pit; after the water storage layer is laid, a soil cylinder is placed in the center in the outer sleeve; a gap is formed between the outer wall of the soil cylinder and the inner wall of the outer sleeve; the gap is filled with broken stones to form a water guide ring; and an evaporation retardant layer is laid on the upper surfaces of the thick water-resisting layer and the planting pits. The water storage layer and the water guide ring gather surface rainfall, and a local water-rich environment is provided for vegetation planting; most of surface rainfall enters the soil of the planting pit through the water guide ring, and soil salinization caused by migration and evaporation of fine particles in the soil due to natural infiltration of water is avoided.

The invention discloses a bottom-sealing water-stop structure for a deep foundation pit in a strong water-permeable stratum, which comprises an underground continuous wall, an underwater plain concrete board, a reinforced concrete partition wall, an uplift pile and an inner support, and the underground continuous wall is arranged around the foundation pit by pouring , the internal support is supported on the underground diaphragm wall, and the foundation pit under the underground diaphragm wall is poured to form a reinforced concrete partition wall, and the reinforced concrete partition wall and the underground diaphragm wall on each two sides are enclosed at the base to form a pouring For the warehouse, uplift piles are poured under the base of the warehouse, and each warehouse opening enclosed by the reinforced concrete partition wall and the underground diaphragm wall is poured to form an underwater plain concrete slab, and the above-mentioned uplift piles are embedded in the underwater plain Inside the concrete slab. The underwater plain concrete slab increases the overall strength and stiffness of the pit bottom, and has dual functions of pit bottom reinforcement and anti-seepage. It can better reduce the lateral displacement of the pit wall and the settlement deformation of the surrounding environment.

The invention discloses an outdoor charging pile. The outdoor charging pile comprises a cabinet body, the cabinet body comprises an air inlet assembly and an air outlet assembly, and the air inlet assembly and the air outlet assembly each comprise a fairing, a ventilation movable door, a waterproof shutter and a row of waterproof silencing pieces. The waterproof shutters and the waterproof silencing sheets are arranged in the fairing, the row of waterproof silencing sheets are positioned behind the waterproof shutter, the waterproof silencing pieces and the waterproof shutters are all inclinedupwards, and the inclination angle of the waterproof silencing sheet is greater than that of the waterproof shutter, wherein the waterproof shutter can achieve the waterproof effect. Moreover, the waterproof silencing sheet is positioned behind the waterproof shutter, while the silencing effect is realized, the waterproof effect can be further improved with the inclination angle of the waterproofsilencing sheet larger than that of the waterproof shutter, so that the waterproof effect is guaranteed while noise is reduced, the shell protection grade IP55 is met, the noise of the system is reduced, and the cabinet meets the requirement that the noise is smaller than 65 dB.

The invention discloses a waterproof hammer switching valve structure and a faucet. The switching valve is compact and simple in overall structure, and a valve core is driven to move under the action of water pressure difference; meanwhile, a buffer space is arranged; water can slowly enter the buffer space or is slowly discharged from the buffer space, and therefore the valve core is driven to slowly move so that a water inlet channel and a water outlet channel are slowly connected or disconnected; and the effect of the waterproof hammer is achieved.

The invention relates to the technical field of solar component installation, in particular to a solar power system waterproof installation structure on villa roofing. The waterproof installation structure comprises a solar component installed among tiles of the roofing; a top butt strap is arranged between the top of the solar component and the tiles of the roofing; a front butt strap is arranged between the bottom end of the solar component and the tiles of the roofing; the left and right side edges of the solar component are connected with the tiles of the roofing through waterproof connecting pieces. According to the solar power system waterproof installation structure on villa roofing, solar panels can be firmly installed in tile openings of the roofing, and a superexcellent waterproof effect is realized between the base plates of the solar component, and between the solar component and the tiles of the roofing.

The invention provides a quick-drying polymer cement waterproof coating and a preparation method thereof. The quick-drying polymer cement waterproof coating is prepared from the following materials in parts by weight: 20 to 25 parts of acrylic emulsion, 18 to 24 parts of cement, 1 to 3 parts of defoaming agent, 1 to 2 parts of coalescing agent, 2 to 4 parts of dehydrating agent, 3 to 5 parts of hot melt resin and 3 to 5 parts of nano silicon dioxide. The quick-drying polymer cement waterproof coating provided by the invention has the advantages of convenience in use, high drying speed and difficulty in damage.

The invention provides an underground water obstruction device building method and an underground water obstruction device. The underground water obstruction device building method comprises the following steps that water isolation membranes are adhered to the ground to obtain a standby impermeable membrane, the sealing performance of the impermeable membrane is tested, the impermeable membrane isinclined at a set angle and is coiled into a reel shape after passing the sealing performance test, an impermeable membrane component in the reel shape is unfolded to form a smooth impermeable membrane through a slideway component arranged on a cut, and multiple smooth impermeable membranes form a whole in a sealing connection manner. In the underground water obstruction device building method, as the thickness of an adhesion position of each water isolation membrane is two times the thickness of the rest position, influence on the smoothness by coiling or unfolding can be avoided by enablingthe standby impermeable membrane to be inclined at a certain angle; and by adhering each water isolation membrane in a width direction on the ground surface, each water isolation membrane with an enough width and an enough length is formed, and the water isolation effect of the underground water obstruction device is fully ensured.

The invention discloses an anti-seepage device, a shear box and a using method of the anti-seepage device, and belongs to the technical field of stress seepage coupling. The anti-seepage device comprises a flexible joint, a plugging piece, a filling piece, a piercing piece and an extruding piece, wherein the filling piece can penetrate through a drill hole to be communicated with a seepage hole; the first end of the flexible joint is arranged in the drill hole, and a flow channel is formed in the flexible joint; the plugging piece is fixedly arranged at the first end of the flexible joint; the extruding piece can be arranged in the flow channel, and the outer diameter of the extruding piece is larger than the inner diameter of the flow channel; and the piercing piece is fixedly arranged at the end part of the extruding piece, and the piercing piece can penetrate through the plugging piece to enter the seepage hole. According to the anti-seepage device, the shear box and the using method of the anti-seepage device, the waterproof effect of a stress seepage coupling experiment can be guaranteed, and it is guaranteed that the experiment result is accurate.

The invention discloses a waterproof switch with intermittent heat dissipation, belonging to the field of switches. A waterproof switch with intermittent heat dissipation comprises a switch main body, a pair of circulating water tanks are fixedly connected to the side walls of the switch main body, and an air cooling device is fixedly connected to the top of the switch main body. The upper and lower ends of a pair of circulating water tanks are respectively connected with a heat dissipation pipe and a heat conduction pipe. The heat dissipation pipe and the heat conduction pipe respectively pass through the switch main body and the air cooling box. A partition board is connected between the switch main body and the air cooling box. There are a plurality of evenly distributed ventilation holes drilled on the upper part, a floating seal and a sealing plate are installed in the partition plate, a water retaining column is inserted into the sealing plate, one end of the water retaining column is fixedly connected with the floating sealing bag, and the other end of the water retaining column is inserted into the partition inside the board. When the switch is overheated, the width of the ventilation hole of the device can be automatically changed, the change of the ventilation volume of the switch can be realized, and the water resistance of the device can be ensured after the width of the ventilation hole is changed.