41results about How to "Guarantee normal construction" patented technology

The invention discloses a building design and building material management system, and relates to the field of building engineering material management, the building design and building material management system comprises an information acquisition module, a preliminary analysis module and a prediction analysis module, and the meteorological data of each completed construction stage corresponding to a target building and the consumption information corresponding to various building materials are intelligently analyzed; according to the method, the meteorological influence set of the to-be-constructed stage corresponding to the target building is obtained, and the basic loss coefficient corresponding to the target building is obtained, so that the accuracy and effectiveness of building material loss evaluation are improved; comprehensive analysis is carried out in combination with the actual building material consumption information of each completed construction stage corresponding to the target building and the storage information of various building materials in the material storeroom corresponding to the target building, so that the purchase demand corresponding to the scientific and reliable target building is obtained, and resource saving and cost reduction are facilitated; and normal construction of the target building is further guaranteed.

The invention relates to the technical field of pouring, in particular to a pouring trolley which comprises an outer mold mechanism, an inner mold mechanism and an outer mold mechanism. The inner mold mechanism comprises a second walking assembly and an inner mold assembly. When the outer mold assembly is located at the first pouring position and the inner mold assembly is located at the second pouring position, a pouring cavity is defined by the end plug plate, the outer mold assembly and the inner mold assembly. According to the embodiment of the invention, by arranging the outer mold mechanism and the inner mold mechanism, free switching can be automatically carried out from the pouring position to the walking position, so that position fixing can be automatically realized at the pouring position, a traditional pull rod fixing mode is not needed, and the wall body construction quality is improved. Moreover, after pouring is finished, dismantling is not needed, and the device is dragged to the next pouring construction through the corresponding walking assembly, so that the construction efficiency is greatly improved, and meanwhile, the operation steps of technicians are simplified.

The invention discloses a method for detecting the working performance of concrete in a mixer truck tank in real time, and the method is used for monitoring the flowability of the concrete in real time. The dynamic yield stress of concrete is calculated by measuring data such as the inclination angle between the concrete liquid level in the concrete tank car and the horizontal plane, the contact area of the concrete in contact with the tank body and the cross section area of the tank body in the transportation process, and the roughness of the concrete surface is measured through a laser scanner. And judging whether the concrete is in a qualified or segregated or dry and thick state by comparing the dynamic yield stress with the corresponding threshold value or comparing the roughness with the corresponding threshold value. The monitoring method provided by the invention has the following advantages: after qualified concrete is discharged, the performance change condition of the concrete in the tank of the concrete tank truck can be detected in real time in the transportation process; when the concrete performance is not good, early warning can be sent to quality control personnel, and guarantee is provided for efficient construction.

The invention relates to the field of engineering construction, and discloses an automatic grouting device and method for anchoring supporting, the automatic grouting device comprises a mounting plate, a production mechanism is fixedly connected to the middle of the mounting plate, and a feeding mechanism is connected to one side of the production mechanism; the executing mechanism is connected with the output end of the feeding mechanism; the executing mechanism comprises a limiting box, stabilizing cylinders are fixedly connected to the two sides of the limiting box, and an outer ferrule is rotationally connected to the middle of the limiting box; according to the anchor cable grouting device, a grouting pipeline and an anchor cable can enter the anchor cable at the same time, then pressure grouting is carried out, coherent grouting work is achieved, the overall working procedures are reduced, then labor input is reduced, the overall efficiency is improved, the work amount is reduced, and the construction cost is reduced. And construction is ensured.

The invention discloses a reinforcing steel bar sleeve grouting material for a high-strength micro-expansion fabricated concrete structure. The reinforcing steel bar sleeve grouting material is prepared from the following raw materials in parts by weight: 735 to 795 parts of cement, 15 to 85 parts of silica fume, 80 to 90 parts of lithium slag powder, 9 to 36 parts of magnesium slag powder, 500 to 800 parts of quartz sand, 100 to 400 parts of basalt sand, 9 to 12.6 parts of a water reducing agent, 0.9 to 4.5 parts of a retarder, 0.9 to 4.5 parts of a reinforcing agent, 0.6 to 1.2 parts of a de-foaming agent, 0.6 to 1.2 parts of a suspension stabilizer, 0.1 to 0.3 part of a plastic expanding agent and 45 to 72 parts of a UEA expanding agent. The grouting material disclosed by the invention has the advantages of high strength, micro-expansion, good fluidity, no bleeding, no segregation and the like, and meets the use requirements of an assembled concrete structure.

The drainage pipeline structure comprises a drainage blind ditch, a communication part and a drainage part, the drainage blind ditch is arranged between a rock mass surface and a vertical shaft lining, and the drainage blind ditch is used for collecting leakage water of a rock mass; the communicating part comprises a three-way connecting piece, a pre-buried drainage pipe and a filling material, the pre-buried drainage pipe extends in the thickness direction of the vertical shaft lining and penetrates through the vertical shaft lining, the three-way connecting piece communicates with the drainage blind ditch and the pre-buried drainage pipe, and the filling material is arranged on the side, away from the three-way connecting piece, of the pre-buried drainage pipe and detachably connected with the pre-buried drainage pipe; the end parts of the embedded drainage pipe and the filling material do not exceed the inner wall surface of the vertical shaft lining; and the drainage part is configured to be connected with the pre-embedded drainage pipe after the filling material is detached, and the drainage part is used for draining leakage water. The drainage pipeline structure for the slip form construction does not affect normal construction of the slip form, and can ensure safe drainage of mountain leakage water after the slip form construction is completed.

The embodiment of the invention relates to the technical field of foundation construction, and discloses a two-way cutting mixing pile machine and method for quickly connecting and disconnecting a drill rod, and the two-way cutting mixing pile machine comprises a walking device used for driving the device to move on a foundation; the tower frame is arranged on the walking device, and the tower frame is used for providing support; and a connecting device. According to the bidirectional cutting mixing pile machine and method for quickly connecting and disconnecting the drill rods, through the arrangement of the first drill rod and the second drill rod which are detachable and connectable, when the preset depth of a mixing pile is large, the completion of construction can be ensured through the assembly relay of the two-section type first drill rod and the second drill rod, and certainly, the construction efficiency is improved. Due to the fact that the two-section type first drill rod and the two-section type second drill rod are assembled and constructed, the height of the portions, exposed out of the foundation, of the first drill rod and the second drill rod after the first drill rod and the second drill rod are assembled can be controlled, for example, the stipulation that the height is not larger than 35 m can be met, safety is improved, and meanwhile the stipulation of related policies is met.

The invention provides a tunnel construction safety emergency method and device based on artificial intelligence, and relates to the technical field of artificial intelligence. Firstly, position distribution information and safety emergency feature information of persons in a tunnel are obtained based on video image information; then, judging whether a field safety accident is found in the tunnel or not based on the environment information and / or the video image information, and identifying the type and the occurrence place of the field safety accident; then, selecting a target person with scene safety accident handling experience in the tunnel based on the type of the scene safety accident, the position distribution information of the persons in the tunnel and the safety emergency feature information of each person; and finally, notifying the target person to go to the site where the on-site safety accident occurs to carry out safety emergency processing. According to the mode, the target person with accident handling experience can timely arrive at the site to handle the accident, the handling efficiency of the tunnel site safety accident is improved, the tunnel construction risk is reduced, and the tunnel safety construction is ensured.

The utility model discloses waterproof fence equipment for water conservancy construction, which comprises a baffle plate, a supporting device fixedly connected to the bottom of the baffle plate, a spraying device and a swinging device fixedly mounted on the top of the baffle plate, the swinging device comprises a motor mounting plate, a motor is fixedly connected to the motor mounting plate, and a rotating shaft is rotatably connected to one side of the motor. The motor mounting plate is fixedly connected with a rotating shaft mounting plate, the rotating shaft is inserted into a through hole of the rotating shaft mounting plate, one side of the rotating shaft is fixedly connected with a rotating arm, one end of the rotating arm is rotationally connected with a power transmission arm, one end of the power transmission arm is rotationally connected with a swinging arm, and one side of the motor mounting plate is fixedly connected with a swinging shaft; and the swinging shaft is inserted into the through hole of the swinging arm. By arranging the swinging device and the spraying device, the water pump and the motor are started in the construction process, and the motor drives the spraying device to swing, so that multi-angle spraying is realized, and dust in air is greatly reduced.

The invention discloses a phosphogypsum harmless curing and stabilizing treatment method which comprises the following steps: step 1, adding a curing agent into a fly ash material or a cement material, and uniformly stirring and mixing to prepare an additive A; 2, taking kaolin, adding an additive A into the kaolin, and uniformly stirring and mixing to prepare a mixture B; 3, adding ardealite into the mixture B, uniformly stirring and mixing, and adding water in the mixing process to prepare a blank; fourthly, the blank is subjected to mold pressing, and a blank mold is manufactured; and fifthly, the blank mold is dried, and a finished building material product is obtained. Compared with the prior art, the phosphogypsum curing agent can enable phosphogypsum to achieve harmless and curing stable effects.

The invention relates to the technical field of power grid construction, and discloses a wire supporting and adjusting device for power grid construction and a using method thereof, the wire supporting and adjusting device comprises a main body, two reinforcing plates are fixedly connected to the outer surface of the main body, supporting plates are fixedly connected to the ends, away from the main body, of the reinforcing plates, and a fixing bolt is fixedly connected between the two supporting plates. The wire can be pushed to move backwards during reverse movement, reverse supporting force is provided, the tension of the cable is maintained to be stable jointly, it is ensured that no matter how the wire moves, the wire can be effectively clamped by the two clamps, the cable can bear certain clamping force and friction force between the two adjusting mechanisms, and therefore the cable can be stably clamped. And the condition that the wire droops or swings when the wire is pulled during construction due to the action of external force wind and the action of self gravity in the construction process is reduced.

The present invention relates to the technical field of platforms, and in particular to a pile driver mobile construction platform device on water, comprising a casing, an outer end of the casing being slidably connected to an annular base plate, an upper end of the annular base plate being slidably connected to an annular movable plate, an upper end surface of the annular base plate being recessed downward to form an annular groove, an annular gear being installed inside the annular groove toward the inner wall, an outer end of the annular gear being meshed with a rotating gear, a first driving device being installed on the upper end of the annular movable plate, an output shaft of the first driving device being connected to the rotating gear, an annular sawtooth being installed in communication with the lower end of the casing, a lifting member being installed on the upper end of the annular movable plate, a clamping member being arranged in the lifting member, a plurality of functional members being equidistantly arranged on the lower end of the annular base plate, a plurality of air bags being equidistantly installed on the lower end of the annular base plate, and outer ends of the plurality of air bags being connected to an installation connecting pipe. The design enables the casing to be effectively inserted into the ground in the water, effectively ensures stable installation of the casing, effectively reduces the probability of leakage etc. occurring at the lower end of the installed casing, effectively ensures subsequent normal construction, and improves the use effect.

The invention discloses a multi-stage main drive retaining design method for shield in-ground docking, relates to the technical field of shield tunnel engineering, and is used for performing main drive retaining reinforcement on a preceding shield during shield in-ground docking, and the shield in-ground docking is divided into two stages based on the distance between the preceding shield and a following shield. A retaining steel plate is arranged along the outer surface of the main drive in the first stage, when the left and right reaction torque oil cylinders are not disassembled, the main drive retaining steel plates of the upper semicircle and the lower semicircle are installed firstly, the main drive left and right reaction torque oil cylinders are disassembled in the second stage, the retaining steel plates continue to be arranged at the vacant positions, and theoretical support is provided for reinforcing and retaining construction of the main drive. Therefore, the safety and the stability of the advanced shield tunneling machine structure in the butt joint process are ensured. Furthermore, by designing the plane size of the main drive retaining steel plate, determining the welding seam range, determining the retreating force of the telescopic oil cylinder in the first stage and the second stage, checking and determining the thickness, the number and the distance of the retaining steel plates in the first stage and the second stage and the like, the scheme can be actually applied to the ground and is suitable for industrial popularization.

The anti-climbing structure comprises a tower crane frame body, a crawling ladder, an outer side protection plate and an iron closing plate, the crawling ladder is arranged in the tower crane frame body, corner connecting pieces and cable-stayed reinforcing pieces are integrally arranged on the tower crane frame body, the outer side protection plate is inserted between the corner connecting pieces and abuts against the outer side portion of the tower crane frame body, and the iron closing plate is arranged on the outer side protection plate. A fixing bolt I is arranged on the corner connecting piece, an externally-connected rectangular groove is formed in the cable-stayed reinforcing piece, the externally-connected rectangular groove and the outer side protection plate are installed in an inserting and limiting mode, a lug plate base is arranged on the cable-stayed reinforcing piece, a fixing bolt II is installed between the lug plate base and the tower crane frame body, and the iron closing plate is arranged in the tower crane frame body in a hinged mode. And a spring telescopic locking piece is arranged in the iron sealing plate, a plug pin is arranged on the spring telescopic locking piece in a telescopic mode, and a pin hole matched with the plug pin in an inserting and limiting mode is formed in the inner side of the tower crane frame body. The anti-climbing tower crane has the advantages that the anti-climbing tower crane has the anti-climbing function, and the outer side and the inner side of the tower crane are prevented from climbing.

The present invention belongs to the technical field of concrete pouring construction, and specifically discloses a sensor-based reinforced concrete bored pile pouring intelligent monitoring method. The method performs geological survey when drilling by using multi-stage drilling equipment, and performs surrounding hole wall risk perception and drilling risk perception when switching the drill bit based on the geological survey result, thereby flexibly adjusting the drilling state, which is not limited to the drilling speed adjustment. On the one hand, it can meet the adjustment needs to the maximum extent, and on the other hand, it can avoid the influence of the frequency adjustment of the drilling speed on the construction process and equipment wear. At the same time, after the drill bit switching operation is executed, the drilling deviation is identified, and when the drilling deviation is identified, targeted correction adjustment is performed based on the geological changes before and after the switching and the drilling deviation amount. The method is not limited to the stop correction, and in some cases, the drilling process correction can be realized, thereby ensuring the continuity of construction to a certain extent, and at the same time, the stability of the hole wall can be better controlled.

The utility model discloses an assembly type station force transmission key, and relates to the technical field of force transmission keys, the assembly type station force transmission key comprises a bolt sleeve integrally formed with an assembly type block, the bolt sleeve is internally in threaded connection with a force transmission bolt, and one side of the bolt sleeve is provided with a detachable rotating piece in threaded connection with the force transmission bolt. Stable work of the force transmission key is achieved through mutual cooperation of the bolt sleeve, the force transmission bolt and the detachable rotating piece, and the whole force transmission key is simple in structure, small in size, suitable for assembly type station structures of different thicknesses or types, especially suitable for assembly type stations with small fertilizer groove width, simple in installation technology, small in construction period influence and high in practicability. Repeated retightening can be performed according to deformation of the enclosure structure, and the retightening process is simple; and the grouting head is installed to conduct grouting plugging on the force transmission key, and construction and structural defense of the assembly type station can be effectively guaranteed.

The utility model discloses a basement retaining wall structure and a basement structure, and belongs to the field of buildings, in order to solve the problem that in the prior art, the construction period for building side walls and supporting and retaining structures of basement walls is long, the basement retaining wall structure comprises a wall body (6), a buttress (14), a wall toe (3), a wall heel (1) and an anti-skid key (2), the buttress (14) is connected with the wall body (6) and the wall heel (1), and the anti-skid key (2) is connected with the buttress (14). The wall heel (1) and the anti-skid key (2) are connected up and down, the anti-skid key (2) is of a strip-shaped structure, and the extending direction of the anti-skid key (2) is the same as that of the wall body (6). The basement retaining wall structure not only can be used as a basement outer side wall to play a permanent retaining role, but also can ensure the backfill operation of a retaining area and the construction of other structures of the backfill area while ensuring the normal construction of the basement, and does not need to construct a basement side wall and a retaining structure at the same time, so that the construction period is shortened, and the construction cost is reduced. And the construction cost is also saved.

The present invention discloses a method for collaborative construction of an inner steel frame and an outer precast concrete shear wall structure, comprising the following construction steps: S1, structural component splitting design; splitting the inner steel frame and the outer precast concrete shear wall structure, vertically splitting the steel structure into vertical column segments, each vertical column segment corresponding to two floors of the building; S2, installing and calibrating the vertical column segments of the inner steel frame according to one column and two layers vertically; S3, installing the Nth layer of outer precast concrete shear wall; S4, installing the steel beam connecting the inner steel frame and the Nth layer of outer precast concrete shear wall; S5, installing the N+1th layer of composite floor slab; S6, pouring concrete for the Nth layer of outer precast shear wall and the N+1th layer of composite floor slab. The above construction method can effectively achieve the fault tolerance compensation of high installation precision of steel structure and low installation precision of outer precast concrete shear wall, and finally ensure the construction quality of the inner steel frame and the outer precast concrete shear wall structure, and speed up the construction speed.

The present invention discloses a bored pile drilling machine for road and bridge construction. The rotating plate can be placed horizontally above the fixed frame, and can also be turned 90 degrees and placed vertically outside the fixed frame. The right side of the rotating plate is equipped with a slide plate, a first motor, a support plate, a conveying auger, a first motor, and a limit cylinder. A soil outlet is provided on the upper side wall of the limit cylinder. The gap of the lower outer wall of the limit cylinder is provided with an orifice positioning baffle assembly. The lower end of the conveying auger extends outside the limit cylinder, and a drill bit is fixedly connected to the bottom end of the conveying auger. When the moving ring descends to the lowest position, all the arc plates and the alloy blades are just assembled into a complete panel. When the moving ring rises to the highest position, all the arc plates are separated from the alloy blades, so that a gap for soil to pass through is formed between the arc plates and the alloy blades. The drilling machine solves the problem that the drill bit of the common drilling machine is tilted due to unbalanced force, which affects the construction and there are a lot of impurities at the bottom when the drill bit is taken out, which affects the performance of the filling column.

The application discloses a pipe jacking engineering water gushing construction method, relates to the pipe jacking engineering water gushing construction technical field, and comprises the following steps: S1, surface grouting; S2, water pumping method; S3, hole portal water stop reinforcement; S4, hole opening section anti-pipeline upwarp measure; S5, in-pipe maintenance; S6, wall back grouting; S7, slurry replacement requirement and S8, measurement and deviation rectification construction steps. The pipe jacking engineering water gushing construction method can be favorable for reducing and avoiding pipeline water seepage, thereby guaranteeing normal construction, preventing economic losses and personnel safety hazards caused by equipment flooding, and guaranteeing normal engineering progress.

The invention relates to a tool for pouring steel pipe column self-compacting concrete and a using technology, and relates to the technical field of building construction tools, the pouring tool comprises a funnel body, concrete is poured into a steel pipe column through the funnel body and is poured and tamped compactly, the funnel body is of a nested split structure, and the lower section of an upper funnel is nested in a lower funnel; the funnel body is arranged above the steel pipe column, the funnel body is firmly fixed to the steel pipe column through the lug plate and the connecting pipe, the base plate is arranged on the periphery of the output end of the funnel body in a surrounding mode, the base plate seals an opening in the top of the steel pipe column, and concrete slurry is prevented from splashing and overflowing; the guide pipes avoid rib plates in the steel pipe column and extend to the pouring face in the steel pipe column, the pouring compactness is improved, and the pouring process of the steel pipe column is optimized.

The invention relates to the technical field of cutter replacement of a cutter head of a shield tunneling machine, and particularly discloses a mud film material and a construction method for shield pressurized bin opening and cutter replacement construction. The mud film material comprises 282.4 parts by weight of slaked lime; 141.2 parts by weight of calcium bentonite; 141.2 parts by weight of sodium bentonite; 735.15 parts by weight of water; 7.35 parts by weight of cellulose; and 58.57 parts by weight of water glass. And stable operation of the tunnel face can be ensured. The method comprises the following steps: stirring slaked lime, calcium bentonite, sodium bentonite, water and cellulose according to required parts by weight to obtain bentonite slurry; adding bentonite slurry water glass, and stirring to obtain bentonite mixed slurry; the bentonite mixed slurry is injected into the soil bin, and muck in the soil bin is replaced; injecting water glass into the soil bin to obtain composite clay mixed slurry; and forming a mud film on the tunnel face by compounding the clay mixed slurry. According to the method, disturbance to the stratum in the tunneling process of the shield tunneling machine can be reduced, and the stability of the stratum can be kept.

The invention discloses a stepping climbing platform and a using method thereof. The stepping climbing platform comprises a sliding rail, a stepping climbing mechanism, a frame structure, a bearing platform and a working platform. The sliding rail is used for being installed on a tower body, and the stepping climbing mechanism can climb along the sliding rail. The frame structure comprises a bearing frame and a telescopic driving piece, and the bearing frame is installed on the stepping climbing mechanism. The bearing frame is of a quadrilateral structure, the four edges of the bearing frame are sequentially hinged, and the telescopic driving piece is arranged in the bearing frame and used for driving the bearing frame to deform. The bearing platform is arranged on the bearing frame, and the working platform is arranged on the bearing platform and used for providing a construction position. According to the stepping type climbing platform and the using method thereof, normal construction of the tower body can be guaranteed, and the problems that due to inclination of the tower body, construction is difficult, the safety risk is high, the construction period is long, and cost is high are solved.

The utility model discloses a high-standard dredged soil improvement device for farmland, and belongs to the technical field of dredged soil improvement. Comprising a moving frame, the top of the moving frame is provided with a drying box and a conveying and mixing barrel through supports, a stirring and crushing assembly is arranged in the drying box, the bottom of the conveying and mixing barrel is connected with a discharging pipe which penetrates through the moving frame and extends downwards, a communicating pipe is arranged between the drying box and the conveying and mixing barrel, and a repairing liquid spraying assembly is arranged on the communicating pipe; according to the device, high-temperature sterilization is conducted on dredged soil through the drying box, the dried dredged soil is crushed through the stirring and crushing assembly, then repairing liquid is sprayed to crushed dredged soil dust through the repairing liquid spraying assembly, and the fusion degree of a repairing agent and soil is improved; and then the conveying mixing barrel mixes the repairing agent with clay obtained after soil mixing in the conveying process, the clay is discharged into farmland in the moving process of the moving frame, and the improvement efficiency and improvement effect of dredged soil are guaranteed.

The utility model discloses a kind of brake pad cooling devices of plugboard machine hammer head lifting system, including water storage tank and cooling assembly;The water outlet of the water storage tank is connected with the cooling assembly, and the other end of the cooling assembly is docked brake pad;Wherein, by the cooling assembly quantitative injection cooling water to brake pad, realize the effective cooling of brake pad.The cooling assembly includes diaphragm pump and water outlet pipe, the water outlet of the diaphragm pump is connected at the water outlet of the water storage tank, and the water outlet of the diaphragm pump is communicated with the water outlet pipe, and the other end of the water outlet pipe is docked to the brake pad place.It also includes control box, time relay is arranged in the control box, and the time relay is connected with the diaphragm pump.The utility model aims at overcoming existing defects and provides a kind of brake pad cooling devices of plugboard machine hammer head lifting system, and the effective cooling of plugboard machine hammer head lifting system brake device.

The application discloses a deep-buried tunnel underground water seepage safety control system and method, and relates to the technical field of tunnel construction safety control. The system comprises a drainage and injection integrated pipe, a water collecting and purifying system and a water injection and pressurizing system. The drainage and injection integrated pipe comprises a water injection pipe and multiple main body pipes. A first main body pipe penetrates a reinforced ring layer of a tunnel and communicates with surrounding rock outside the reinforced ring layer. One end of the first main body pipe close to the surrounding rock is a first section concentric flower pipe. One end of the first main body pipe close to the tunnel center is a solid pipe. The first main body pipe and a second main body pipe are water-stopping sealed through a first flange and a water-stopping structure. The water injection pipe at least penetrates the first main body pipe and the first flange. A last main body pipe with a top end away from the reinforced ring layer is a second section concentric flower pipe. The end of the first main body pipe communicates with the water collecting and purifying system. The end of the water injection pipe communicates with the water injection and pressurizing system. The water collecting and purifying system communicates with the water injection and pressurizing system.

The utility model discloses a sand pumping ship which comprises a ship body, a working platform is horizontally arranged in the ship body, the working platform is divided into a sand storage area and a sand pumping area, the sand storage area is used for containing sand, a sand stirring pool, a stirring conveyor, a conveying belt, a water sand pump and a sand pumping pipe are arranged in the sand pumping area, and the sand stirring pool is arranged in the sand pumping area in a sinking mode. The stirring conveyor is arranged in the sand stirring pool, the conveying belt is connected with the sand storage area and one end of the sand stirring pool, the water sand pump is communicated with the other end of the sand stirring pool, and the sand pumping pipe is communicated with the outlet end of the water sand pump. The single ship is adopted for long-distance sand pumping, the construction efficiency can be effectively improved, the sand pumping ship is low in manufacturing difficulty, low in use cost and high in construction efficiency, various problems that an earth rock cofferdam and a steel sheet pile cofferdam are serious in pollution and high in noise, a steel trestle platform is erected and the like are solved, and the construction cost is reduced. Construction under the conditions of large overwater tidal range and short operation time is guaranteed, and the operation efficiency is improved.

The present application relates to a kind of new type of wall protection mud material for ultra-deep underground continuous wall and its preparation method, comprising the following steps: pour mixing water into the first container, while adding bentonite, the first container is stirred to be uniformly dispersed;Sodium carbonate, sodium carboxymethyl cellulose, xanthan gum and silicone acrylic emulsion are mixed and added to mixing water and poured into the second container, and stirred to be fully hydrated;Mix the solution in the first container and the second container, stir to be fully mixed, complete mud preparation.The beneficial effects of the present application are: it can avoid the hidden troubles such as excessive lateral earth pressure, large amount of mud loss, thin and dense mud skin cannot be formed when the excavation depth of underground continuous wall is large, configure a new type of modified bentonite wall protection mud with suitable physical stability and chemical stability, appropriate relative density, good mud skin forming property, which can adapt to the working condition of ultra-deep underground continuous wall, avoid the occurrence of hole collapse and shrinkage phenomenon, so as to ensure the quality of slotting and construction safety.

The invention discloses a preparation method for preparing an ordered membrane electrode by using a two-step electrodeposition method and the membrane electrode. Comprising the following steps: S1, providing a gas diffusion layer, and forming a hydrophilic layer on the surface of a microporous layer of the gas diffusion layer; s2, first electro-deposition: dipping a product in the step S1 into a platinum-containing electro-deposition solution, depositing metal Pt particles on the surface of the hydrophilic layer, and drying for later use after the reaction is completed; s3, second electrodeposition: dipping a product in the step S2 into a perfluorinated sulfonic acid resin solution, and depositing a perfluorinated sulfonic acid resin film on the surface of the metal Pt particles to form a cathode catalyst layer; and S4, sequentially laminating the product in the step S3 with a proton exchange membrane and an anode diffusion layer, and compounding by a hot-pressing method to obtain the ordered membrane electrode. According to the invention, the hydrophilic layer containing the amino silane coupling agent is formed on the surface of the microporous layer, so that anchoring and uniform distribution effects on subsequent electro-deposited Pt nano-particles are achieved, and the effective contact area and stability of Pt are increased; the surfaces of the Pt particles are coated with the perfluorinated sulfonic acid resin film, so that a three-phase interface is effectively constructed, an effective reaction region is expanded to the whole cathode catalyst layer, and the reaction rate of the membrane electrode and the performance of the battery are improved.

The utility model relates to the technical field of building construction protection, specifically relates to a mobile protection device of working well, including slide rail base, protection shed and lateral protection mechanism, the top surface of slide rail base is equipped with the channel lengthways, the protection shed includes support frame and shed roof component, and the support frame includes several stand columns, and the stand column bottom is equipped with the pulley, and the pulley is nested with the channel cooperation, and the support frame is detachably connected with the shed roof component, and the lateral protection mechanism sets up between the adjacent stand columns. The cooperation of pulley and channel can realize the movement of protection shed along the slide rail base, and the flexible movement of protection shed is convenient according to the construction demand, overcomes the defect that protection shed is welded and sets up fixedly, improves the field construction efficiency, simultaneously, through lateral protection mechanism, the lateral protection effect of protection shed can be improved, rainwater and lateral landslide material are prevented from invading from the lateral wall of protection shed, the protection effect of protection shed is better, can ensure the continuous construction in the rainstorm season, avoids causing the delay of construction period.