193results about How to "Improve reinforcement effect" patented technology

The invention discloses a composite reinforcement type suction barrel device based on microorganism induction and a use method thereof. The composite reinforcement type suction barrel device based on microorganism induction comprises a suction barrel model system, a microorganism cement reinforcement system and a test monitoring system. The suction cylinder model system comprises a suction cylinder, a grouting pipeline and hydraulic equipment, and the grouting pipeline is laid on the inner wall of the suction cylinder and used for injecting microorganism cement grout; the hydraulic equipment is connected to the suction barrel and used for controlling lifting and pressing-in of the suction barrel. The microbial cement reinforcement system comprises liquid storage equipment and negative pressure equipment, and the liquid storage equipment is connected to the grouting pipeline and used for storing and providing microbial cement grout for the grouting pipeline; the negative pressure equipment is connected to the suction barrel and used for applying negative pressure to the interior of the suction barrel in the grouting process, and permeation of microorganism cement grout is promoted. The test monitoring system is used for testing mechanical parameters of a soil body, monitoring the suction barrel and carrying out a loading test on the suction barrel.

The invention relates to the technical field of resistivity method geophysical prospecting detection, and discloses a soil reinforcement effect detection device and method based on electrical resistance tomography. The technical problems that in the prior art, an electrode device is difficult to cover the whole pile body, so that an imaging result has certain limitation, and the electrode device is difficult to adapt to pile bodies of different sizes and shapes are solved. The device comprises a rotary spray irrigation pile, a high-pressure slurry pump and an air compressor, the rotary spray irrigation pile comprises a pipe wall and a grouting pipe, a plurality of electrodes are arranged on the outer side of the pipe wall at intervals, an electrode line channel is arranged on the inner side of the pipe wall, and the electrodes are connected through a wire penetrating through the electrode line channel to form an electrode measurement network. The device has the advantages that the reinforcing process of the rotary spray irrigation pile is monitored in real time, and the physical characteristics of foundation soil or a reinforcing body are accurately analyzed.

The invention provides a forming method of a combined profile structure. The forming method comprises the following steps that S1, primary rolling is conducted, specifically, a primary roller press gradually changes the section of a material belt into a circular tube shape through a pre-pressing roller and a plurality of sets of forming rollers; s2, external welding, wherein the two aligned side edges of the material belt are welded through a welding machine; s3, secondary rolling is conducted, specifically, a secondary rolling machine gradually rolls the section shape of the material belt from a circular tube shape to a flat square tube shape through a plurality of sets of shaping rollers and shape righting rollers; s5, cutting off: cutting off the material belt according to a preset length through a cutting machine; s6, laser welding is conducted, specifically, at least two strip-shaped reinforcing ribs are inserted into an inner hole of the cut-off material strip, the reinforcing ribs are arranged in parallel to the axial direction of the material strip, and the multiple reinforcing ribs are inserted into the flat square tubular structure at intervals in the left-right direction; and then the upper ends and the lower ends of the reinforcing ribs are welded to the upper side wall and the lower side wall of the flat square tubular structure correspondingly through a laser welding machine. The invention further provides a combined profile structure.

The invention discloses a mold for core making equipment and a curing method and application of the mold, and belongs to the technical field of core making machine molds. The curing method comprises the following steps that sand shooting forming is conducted, specifically, in the mold closing state, molding sand is shot into a mold cavity from a sand shooting nozzle in a mold body to be used for forming a sand core; and heating and curing are conducted, specifically, a curing medium heated to be in a gaseous state is injected into the cavity through a plurality of air inlet channels, the curing medium makes contact with the peripheral side of the sand core and then is diffused and permeated, the sand core is cured from the periphery of the sand core, and the air inlet ends of the air inlet channels are separated from the sand shooting nozzles. According to the invention, molding sand injected into the mold can be quickly and uniformly attached to the surface of the loose core, and each part of the sand core can be quickly and uniformly cured in a short time, so that the curing speed of large pieces and high pieces is greatly increased, the curing effect and efficiency are improved, the compactness of the sand core can be improved through vibration, and the production efficiency is improved. And the product quality is further improved.

The self-drilling type grouting anchor rod comprises a hollow anchor rod body, a two-way drilling bit is arranged on the hollow anchor rod body, a stop-grouting plug is arranged at the position, close to the upper end of the hollow anchor rod body, of the hollow anchor rod body, and a plurality of stop-grouting rings are arranged at the positions, between the two-way drilling bit and the stop-grouting plug, of the hollow anchor rod body at intervals; the grout stopping ring comprises a grout stopping ring steel inner core and bags symmetrically arranged on the grout stopping ring steel inner core, the bags are in a semi-ring shape, and grouting hoses are arranged on the bags and can penetrate through the grout stopping plug; the hollow anchor rod section between every two adjacent grout stopping rings and the hollow anchor rod section between the grout stopping ring located at the lowermost end and the two-way drilling bit are grouting sections, a plurality of grout outlet holes are evenly distributed in the grouting sections, and the outer sides of the grouting sections are further sleeved with grouting rubber sleeves; an electronic digital display angle gauge is arranged on the outer wall of the hollow anchor rod and located at the upper end of the grout stopping plug. The technical problems that grouting of a hollow grouting anchor rod in the sandy gravel stratum is diluted, diffused and difficult to solidify, and the anchor rod deviates and is poor in reinforcing effect can be effectively solved.

The invention provides high-strength wear-resistant ultralow-rolling-resistance conveyor belt cover rubber and a preparation method thereof, and relates to the technical field of conveyor belts, the cover rubber comprises the following components by weight: 40-80 parts of natural rubber, 20-60 parts of synthetic rubber, 40-80 parts of a hybrid reinforcing material, 1-2 parts of sulfur, 1-5 parts of zinc oxide, 1-3 parts of stearic acid, 1-8 parts of an accelerator, and 1-5 parts of an anti-aging agent. According to the high-strength wear-resistant ultralow-rolling-resistance conveyor belt cover rubber and the preparation method thereof, the high-structure carbon black N339 and the nano silicon dioxide are hybridized, so that ion covalent bonds are formed between the high-structure carbon black N339 and the nano silicon dioxide, the N339 and the nano silicon dioxide are uniformly dispersed, the structure is stable, and the nano silicon dioxide can be uniformly dispersed without a traditional coupling agent; the N339 and the nano silicon dioxide are subjected to hybridization treatment, so that the structure is more stable, the RRF coefficient of the sizing material is reduced, and the reinforcing effect is improved.

The invention provides a recycling method for waste tire pyrolysis residues. The recycling method comprises the following steps: S1, firstly carrying out wire drawing on waste tires; s2, the waste tires obtained after wire drawing are put into a crushing unit to be crushed; s3, the crushed waste tires are added into a pyrolysis processor; s4, carrying out water cooling on solid slag generated by pyrolysis of the old tire to obtain a primary carbon black material; s5, mixing the black primary material and a desulfurizing agent according to the mass; s6, washing: adding the crude carbon black into a granulating agent, and washing in a washing solution; s7, granulation: conveying the carbon black slurry into a granulator through a screw conveyor, extruding, forming and discharging; and S8, drying and discharging. S9, compounding the dried and discharged carbon black with water, a water reducing agent and cement; and S10, vibrating, stirring and forming.

The utility model provides a temporary supporting device for connecting channel duct piece reinforcement, which comprises a support, the support comprises an arc-shaped supporting piece, a bearing unit is arranged below the arc-shaped supporting piece, and a plurality of screw jacks are arranged in the arc-shaped supporting piece; the top of the vertical supporting piece is connected with the arc-shaped supporting piece, and the bottom of the vertical supporting piece is connected with the bearing unit; one end of the transverse supporting piece is connected with the vertical supporting piece, and the other end of the transverse supporting piece is connected with the arc-shaped supporting piece. The vertical supporting pieces are arranged on the bearing units, the arc-shaped supporting pieces are fixed to the duct pieces through the vertical supporting pieces and the transverse supporting pieces, a track laying construction space and a track laying machine passing space are formed, and prestress is applied to the supports through the screw jacks arranged on the arc-shaped supporting pieces; according to the construction method, it is guaranteed that the duct pieces do not deform in the surrounding soil freezing and unfreezing process in freezing method construction, track laying construction and operation are guaranteed, meanwhile, a system formed by the support can also be used for duct piece holing, reinforcing and supporting, and the overall structure is simple.

The present invention relates to the field of slope reinforcement technology, specifically to a rapid construction method for mudstone interlayer slope protection and reinforcement technology, which solves the problems that the existing reinforcement efficiency of slopes with mudstone interlayers through on-site concrete pouring is low, and it cannot meet the rapid reinforcement of different slopes. When the water content of the slope soil is too high, it is not convenient to maintain soil stability, which easily causes slope collapse and other problems. A mudstone interlayer slope protection and reinforcement device includes a slope body, an X-direction reinforcement mechanism and a Z-direction tensioning mechanism. A plurality of Y-direction reinforcement mechanisms are installed on one side of the slope body, and a drainage ditch is provided on the side of the bottom of the slope body. The present invention can effectively improve the slope solidification effect and construction efficiency by using an assembled method to segment and anchor the slope, and is convenient for active drainage of the slope soil to avoid slope collapse caused by excessive water content.

The invention discloses an ancient building brick wall reinforcing method based on three-dimensional scanning and data analysis, and particularly relates to the technical field of brick wall reinforcing. The internal structure of the brick wall is monitored through multi-frequency laser excitation, the interference degree of a heterogeneous repairing material on the integrity of a scanning signal is evaluated, and the influence of refraction and scattering of an optical signal on three-dimensional point cloud data is further analyzed. By constructing a local characteristic curve, the obstruction degree of the nonlinear optical effect on brick damage identification is evaluated. By analyzing the generalized spectral characteristics of the local characteristic curve and combining the refractive index of the repairing material and the energy conduction characteristics of the surface structure of the brick body, the error amplitude of the interface scattering anomaly on the measurement of the brick joint depth and the crack range is evaluated. And comprehensively analyzing the hindering degree of the nonlinear optical effect and the error amplitude of the interface scattering abnormity, evaluating the suitability of the brick body and the repairing material, and formulating a targeted reinforcing strategy to ensure the effectiveness and long-term stability of the reinforcing effect.

The invention relates to the technical field of building reinforcement, in particular to a building reinforcement structure which comprises a positioning component, a metal net, a concrete injection molding layer and a pouring mold, a building column is arranged on the inner side of the positioning component, a carbon fiber hanging net is arranged on the outer side of the building column, and the positioning component comprises a positioning frame. The pouring mold comprises a positioning frame, a fixing screw rod is arranged at the outer end of the positioning frame, fixing nuts are installed at the two ends of the fixing screw rod, the pouring mold comprises a mold plate, a clamping frame is arranged on the outer side of the mold plate, and a clamping block is arranged on the inner side of the clamping frame. The outer side of the building column body is wrapped with the carbon fiber hanging net, the firmness of adhesion of the reinforcing structure and the upper mounting face of the building column body is improved, the concrete injection molding layer is supported through the positioning component and the metal net, the supporting force of the concrete injection molding layer is improved, formworks are connected through the clamping and fixing frame and the clamping blocks, and the convenience of formwork assembly and disassembly is improved.

The invention belongs to the field of medical rubber materials, and particularly relates to a vulcanization preparation process of a medical puncture-resistant rubber gasket. A vulcanization preparation process of a medical puncture-resistant rubber gasket comprises the following steps: S1, raw rubber raw material preparation: crushing and mixing raw rubber raw materials to be vulcanized into raw rubber powder, removing impurities, and sieving; the raw rubber raw materials comprise halogenated butyl rubber, polyisoprene rubber and epichlorohydrin rubber; s2, preparing a rubber compound; the preparation method comprises the following steps: preheating an internal mixer to 80-100 DEG C, adding 80-90 parts by weight of raw rubber powder into the internal mixer, and refining at 115-125 DEG C for 5-9 minutes; adding 12-22 parts by weight of a modified composite filler, 2-6 parts by weight of zinc oxide, 1-3 parts by weight of stearic acid, 3-8 parts by weight of a crosslinking auxiliary agent and 0.5-1.2 parts by weight of an anti-aging agent, and mixing for 18-22 min; s3, calendaring and sheet discharging: calendaring and molding the rubber compound obtained in the step (2) to obtain a rubber compound sheet; s4, prevulcanization: putting the rubber compound sheet calendered in the step (3) into a mold cavity of a press vulcanizer, and carrying out under-vulcanization production to obtain a preformed sheet; the preformed rubber sheet in the step (4) and an organic solvent are subjected to cleaning treatment and drying and then put into a vulcanization mold to be subjected to vulcanization forming, the rubber gasket is obtained, the vulcanization temperature ranges from 140 DEG C to 150 DEG C, and the vulcanization time ranges from 3 min to 7 min. In order to solve the problem that the use performance of a medical rubber gasket is affected due to the fact that the medical rubber gasket is needled to fall scraps and is poor in rebound resilience, the invention provides the vulcanization preparation process of the medical needling-resistant rubber gasket.

The present invention discloses a low-viscosity and high-strength cement-based grouting material and a preparation method thereof. The grouting material comprises the following components: 300-600 parts of a cementitious material having volcanic ash properties, 0.2-0.6 parts of a micro-nano coagulant, a water reducer of 0.25-2% of the mass of the cementitious material, and a water-cement ratio of 0.4-0.8. The cementitious material having volcanic ash properties comprises silicate cement and modified microbeads. The preparation method comprises the following steps: uniformly mixing the cementitious material having volcanic ash properties and the micro-nano coagulant. Then, a mixed solution formed by the water reducer and water is added, and the mixture is uniformly stirred to obtain the cement-based grouting material. The present invention reduces the water-cement ratio of cement slurry and ensures the strength of cement stone, while reducing the viscosity of cement slurry and improving injectability.

The utility model discloses a deep shaft supporting structure which comprises a first reinforcing structure, the first reinforcing structure comprises a reinforcing net laid on the inner wall of a shaft and a concrete layer sprayed on the reinforcing net, and the first reinforcing structure further comprises a first polymer waterproof bonding layer arranged between the concrete layer and the inner wall of the shaft. The supporting structure further comprises a second reinforcing structure for further reinforcing the inner wall of the vertical shaft. The supporting structure has the effect of further improving the stability of the vertical shaft.

The utility model provides a reinforcing structure for a large-span underground excavation station to pass through a fault fracture zone, which comprises an earth surface grouting reinforcing body and an in-hole grouting reinforcing body which are arranged in a crossed mode, and the in-hole grouting reinforcing body comprises a peripheral grouting stopping rock disc and an internal reinforcing body. The peripheral grouting stopping rock disc comprises a base plate and side walls connected to the two sides of the base plate, the ground surface grouting reinforcing body is fixedly connected to the side walls, a through hole is formed in the ground surface grouting reinforcing body, and the internal reinforcing body is connected to the ground surface grouting reinforcing body and covers the through hole. A supporting space used for wrapping the underground excavation station is formed among the peripheral grouting stopping rock disc, the earth surface grouting reinforcing body and the internal reinforcing body. The overall structure is simple, construction safety is guaranteed when the station passes through the fault fracture zone, and construction risks are reduced. And the ground surface grouting reinforcing bodies and the in-hole grouting reinforcing bodies are arranged in an intersecting mode, and the reinforcing reliability is good.

The utility model relates to the technical field of anchor bolts, and particularly discloses a plastic anchor bolt special for maintenance of an outer wall thermal insulation layer, the plastic anchor bolt comprises a metal screw and a plastic expansion sleeve, and a plastic disc is arranged at the top of the plastic expansion sleeve; a cavity for accommodating the metal screw is formed in the plastic expansion sleeve; the upper portion of the plastic expansion sleeve is a sleeve, the lower portion of the plastic expansion sleeve is an anchoring end, a glue injection hole communicated with the cavity is formed in the sleeve, and a glue injection sealing film is arranged between the glue injection hole and the anchoring end. Due to the expansion gap formed in the middle of the anchoring end and the protrusions and the recesses in the outer wall, after the anchor bolt is installed, the anchor bolt can be better meshed with a base material, the anchoring strength is improved, and the anti-drawing performance of the anchor bolt is improved. The glue injection sealing film is arranged between the glue injection hole and the anchoring end, so that glue liquid can be prevented from leaking to other places during glue injection, and the glue injection pressure and the glue liquid are ensured to reach required places only through the glue injection hole; and after glue injection, the reinforcing effect of the anchor bolts on the thermal insulation layer is further enhanced.

The utility model discloses a wall corner reinforcing structure which comprises a positioning plate. A reinforcing rib is arranged on one side of the positioning plate, and a threaded rod is arranged on one side of the reinforcing rib; wherein a base plate is arranged on one side of the threaded rod, a positioning rod is arranged on one side of the base plate, and a supporting plate is arranged on one side of the positioning rod; wherein a supporting block is arranged on one side of the supporting plate, a fixing bolt is arranged on one side of the supporting block, the reinforcing ribs and the supporting block are arranged, a threaded rod on one side of the positioning plate pushes the supporting plate to be attached to the wall face, and the effect of enhancing the supporting performance of the corner of the wall face is achieved; according to the reinforcing structure, the influence on the structure of the wall surface is conveniently reduced, meanwhile, the device is more convenient and rapid to install, and the reinforcing structure does not need to be spliced for multiple times when being used, so that the reinforcing structure is more convenient and rapid to use.

The present invention discloses an advanced small conduit pre-reinforcement system, including an advanced small conduit, wherein the advanced small conduit is provided with a double layer along the entire circumference of the tunnel, wherein the double layer includes an inner layer and a middle layer, wherein the inner layer and the middle layer of the advanced small conduits are uniformly inserted in the water-rich soft rock along the circumference of the tunnel, wherein the inner layer of the advanced small conduits and the middle layer of the advanced small conduits are staggered, wherein an outer layer of the advanced small conduits is added within an angle range of 110°-130° of the top pressure arch of the tunnel, wherein the outer layer of the advanced small conduits are uniformly inserted in the water-rich soft rock along the circumference of the tunnel, wherein the outer layer of the advanced small conduits and the middle layer of the advanced small conduits are staggered, wherein grouting holes are uniformly provided on the advanced small conduits, wherein the advanced small conduits are used for injecting grouting liquid, and wherein the ends of the advanced small conduits are fixed on the arch frame of the tunnel. The present invention enables a large grouting reinforcement area, a good reinforcement effect, effectively reinforces loose rock mass, prevents tunnel collapse, and thus improves surrounding rock grade and construction safety.

The application belongs to the technical field of tunnel soil body reinforcement, and particularly discloses a device and method for reinforcing soil body of a tunnel starting well portal by injecting microbial slurry, which comprises a storage component, a transmission component and an injection component, the storage component comprises two constant-temperature boxes, and the two constant-temperature boxes are respectively used for placing bacterial liquid and cementing liquid; the transmission component comprises a multi-connection micro high-pressure pump, and two independent liquid channels are arranged in the pump; the injection component comprises a grouting guide pipe and a rotating grouting head, the grouting guide pipe comprises two hollow semi-cylindrical pipes, and the longitudinal straight faces of the two hollow semi-cylindrical pipes are attached together to form a cylinder with two independent longitudinal cavities; the two independent longitudinal cavities are respectively connected with the two constant-temperature boxes through different liquid channels; a plurality of spray holes are longitudinally and uniformly arranged on the arc faces of the hollow semi-cylindrical pipes; and the rotating grouting head is used for driving the grouting guide pipe to rotate. The application can reduce the internal loose problem of the soil body reinforced by the microorganism, and improve the reinforcement effect of the soil body of the tunnel starting well portal.

The invention provides a PWM control chip radiation hardening method and a related device, and the method comprises the steps: determining a transmission path of a reference module and an oscillator module of a PWM control chip, carrying out the transient filtering of the transmission path, and obtaining a filtered bias signal; determining a first reference voltage of a reference module of the PWM control chip and a second reference voltage of a pre-step-down module, and judging the first reference voltage and the second reference voltage based on a third reference voltage of an over-temperature protection module to obtain an enable signal after over-temperature protection; monitoring a power path of the PWM control chip to obtain an anti-latch protection signal; and reinforcing the PWM control chip based on the filtered bias signal, the enable signal after over-temperature protection and the anti-latch protection signal to obtain a reinforced PWM control chip. According to the method, the single event effect can be reinforced in multiple dimensions, and the reinforcing effect is remarkably improved, so that the use requirements of most tasks can be met.

The utility model discloses a stand column type cantilever crane, and belongs to the technical field of cranes. The stand column type cantilever crane comprises a crane body and further comprises an adjusting mechanism located on the outer surface of the crane body and a reinforcing mechanism located on the front surface of the adjusting mechanism, an adjusting groove is formed in the outer surface of the crane body, and a first screw hole is formed in the bottom surface of the adjusting groove. The inner side surface of the adjusting mechanism is connected with a sliding block. The problem that an existing stand column type cantilever crane is poor in firmness is solved, according to the height of a wall surface or a fixed object, the adjusting mechanism slides, after the height is adjusted, the first bolt penetrates through the second screw hole and the third screw hole and is inserted into the first screw hole, the adjusting mechanism and the reinforcing mechanism are locked and fixed, and the fixing effect is achieved. And then a second bolt penetrates through a fourth screw hole and is inserted into a wall surface or a fixed object, so that the crane main body is fixedly connected with the wall surface or the fixed object through the reinforcing mechanism.

The utility model discloses a road subgrade reinforcing structure, relates to subgrade reinforcing technical field, including bottom plate and support plate, the left side of bottom plate is equipped with the connecting groove through opening, the lower end of support plate is fixedly connected with two connecting blocks, and the rotating shaft is fixedly connected between the two connecting blocks, the rotating shaft is rotatingly connected in the connecting groove, and the connecting groove is equipped with the connecting groove. A first sliding groove is formed in the upper end of the bottom plate, a threaded rod is rotationally connected into the first sliding groove, one end of the threaded rod penetrates through the front end of the bottom plate and is fixedly connected with an adjusting handle, a first sliding block is in threaded connection with the outer surface of the threaded rod, a second sliding groove is formed in the front end of the supporting plate, and a sliding rod is fixedly connected into the second sliding groove. According to the structure, the supporting plate can rotate along the rotating shaft, and the position of the supporting plate can be adjusted according to the gradient of the side face of a roadbed, so that the supporting plate is better attached to the side face of the roadbed, and the reinforcing effect on the roadbed is improved.

The utility model discloses a plasterboard with multilayer protection, which comprises a first protective layer, a plasterboard layer and a second protective layer, the first protective layer is arranged on the end face of one side of the plasterboard layer, the second protective layer is arranged on the end face of the other side of the plasterboard layer, and the first protective layer and the second protective layer have the same structure. The damp-proof layers are arranged on the two sides of the gypsum board layer, the damp-proof layers are the polyethylene films, the good damp-proof effect can be achieved, the mildew-proof layers are arranged in the damp-proof layers and are the micropore ceramic boards, the good mildew-proof effect is achieved, the fireproof layers are arranged on the inner sides of the mildew-proof layers and are the fireproof coatings, and therefore the fireproof effect is achieved. And the reinforcing layer is arranged on the inner side of the fireproof layer, and the reinforcing layer is made of glass fiber cloth, so that a very good reinforcing effect is achieved, and the gypsum board layer has multiple protections in the using process and is long in service life.

The utility model discloses a steel profile with a reinforcing structure, which comprises a steel profile body, the cross section of the steel profile body is of a U-shaped structure, a plurality of reinforcing blocks are fixedly connected in the steel profile body at equal intervals along the length direction, a cavity is arranged in the steel profile body, the cross section of the cavity is also of a U-shaped structure, and the reinforcing blocks are fixedly connected in the steel profile body at equal intervals. A cavity is formed in the steel section bar body, a fixing reinforcing structure is arranged in the cavity, a first thickening block and a second thickening block are arranged on the inner walls of the two ends of the steel section bar body respectively, and alignment connecting structures are arranged on the first thickening block and the second thickening block. The problem of position deviation during connection of the steel profiles can be effectively avoided, the stability of preliminary connection of the two steel profiles is improved, preliminary connection of the steel profiles is facilitated, the thickness of the connecting position of the steel profiles is increased through the first thickening block and the second thickening block, and the bearing capacity and stability of the connecting position of the steel profiles are effectively improved.

The invention discloses a composite floor slab reinforcing structure and a composite floor slab reinforcing method, a composite floor slab comprises at least two floor slabs which are arranged in an overlapped mode, and the reinforcing structure comprises at least one penetrating hole which penetrates through the composite floor slab in the thickness direction of the composite floor slab; and each inhaul cable is arranged in the corresponding through hole in a penetrating mode, and the two ends of each inhaul cable extend out of the end portions of the two sides of the corresponding through hole. Wherein each inhaul cable is formed by stacking a plurality of fiber cloth strips together and then screwing the fiber cloth strips together in a screwing mode, each inhaul cable and the inner wall of the corresponding penetrating hole are bonded together through structural adhesive, and the fiber cloth strips in the portion, located in the penetrating hole, of each inhaul cable are also bonded together through the structural adhesive; in addition, the two ends of each inhaul cable are attached and fixed to the surface of the floor on the corresponding side in the mode that the ends of the fiber cloth strips are scattered mutually. The reinforcing structure has the advantages of being simple in raw material, environmentally friendly, capable of saving energy, good in reinforcing effect and high in overall stability.

The invention provides a cast-in-place pre-stressed anchor bed structure and a construction method thereof. The cast-in-place pre-stressed anchor bed structure comprises a to-be-reinforced structure, a plurality of anchor bolts and a cast-in-place anchor bed. Wherein a local surface protection layer of the structure is peeled off to expose the reinforcing steel bars and form anchoring grooves, the anchor bolts are distributed at intervals and implanted into the bottoms of the anchoring grooves from the sides of the reinforcing steel bars, the cast-in-place anchor seats are poured into the anchoring grooves and protrude out of the surface of the structure, and the cast-in-place anchor seats are provided with a plurality of tensioning channels in a penetrating mode in the tensioning direction. And each tensioning channel is used for penetrating a tensioning screw rod. According to the cast-in-place pre-stressed anchor bed structure and the construction method thereof, accurate punching is facilitated, a steel bar structure in a building is prevented from being damaged during punching and steel bar planting, the cast-in-place anchor bed and the building are combined into a whole, the anchor bolts and the steel bars can be fixed into a whole, and therefore the strength and the anti-corrosion performance of the whole structure can be improved; and the reinforcing effect of the prestress tensioning system is further improved.

The present application relates to soft ground treatment technical field, specifically to a kind of based on non-uniform soft foundation pressurized vacuum preloading device and layout method, preloading device includes: pressurized pipe body, can be connected in series;Connecting pipe body is spaced in the pressurized pipe body, side wall and the side wall of pressurized pipe body are enclosed into pressurized cavity, and the side wall of pressurized cavity is provided with multiple exhaust holes;Pressure regulating mechanism is connected between the inner cavity of connecting pipe body and pressurized cavity, and the size of the on-off and effective communication area of communication passage between the inner cavity of connecting pipe body and pressurized cavity can be adjusted;Wherein, in the case where two pressurized pipe bodies are connected, corresponding two connecting pipe bodies are connected, can be according to the permeability coefficient and consolidation characteristics of different depth soil layer, specifically adjust pressurized pressure, to improve reinforcement effect, improve construction efficiency.The preloading method is based on the preloading device described above.

The present invention relates to the technical field of pressure reducing valves, and specifically to a multifunctional valve with an adjustable floating valve seat. A multifunctional valve with an adjustable floating valve seat comprises a valve body, a suspended valve seat and an adjusting device. The valve body comprises a valve cover and a valve body. The valve cover is fixedly connected to the valve body. The suspended valve seat is arranged inside the valve body. The adjusting device is arranged inside the valve cover. A safety cap is arranged on the top of the valve cover. An adjusting port is arranged on one side of the valve cover. A sealing plug is arranged inside the adjusting port. The present application provides a suspended valve seat, which has no contact with the valve body, greatly reduces the friction between the valve body and the valve seat, can effectively improve the pressure accuracy and sensitivity of the valve, reduce the wear of the valve seat during use, and improve the service life of the equipment; reinforcement grooves are arranged on the connecting surface of the valve body and the valve cover, which can efficiently fix the diaphragm and make the diaphragm evenly stressed, which can not only improve the reinforcement effect of the diaphragm, but also effectively prevent the diaphragm from falling off during creeping.