CN112504948A - Concrete durability detection device under load-ion-biological combined action - Google Patents
Concrete durability detection device under load-ion-biological combined action Download PDFInfo
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- CN112504948A CN112504948A CN202011113400.5A CN202011113400A CN112504948A CN 112504948 A CN112504948 A CN 112504948A CN 202011113400 A CN202011113400 A CN 202011113400A CN 112504948 A CN112504948 A CN 112504948A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Abstract
The invention discloses a concrete durability detection device under combined action of load-ions-organisms, which comprises a detection box and an auxiliary box, wherein an air inlet pipe, an adding pipe, a water inlet pipe and a water outlet pipe are arranged on the detection box, a heating assembly, a humidifying assembly and a placing frame are arranged in the detection box, a rotating assembly is arranged on the placing frame, a detection test piece is arranged on the rotating assembly, a load loading assembly is arranged at the top of the detection test piece, a through hole is formed in the bottom of the detection box, the detection box is communicated with the auxiliary box through the through hole, and the auxiliary box is connected with an air compressor. The invention has the advantages of ingenious and reasonable integral structure design, simple structure and convenient operation, can simultaneously consider the durability detection of the concrete under the combined action of load-ions-organisms, and can well simulate the corrosion influence of sewage, microorganisms and the like on the concrete under the external environment by matching with the heating component, the humidifying component and the auxiliary box, thereby improving the accuracy of detection data and being more beneficial to the research and use of experimenters.
Description
Technical Field
The invention belongs to the technical field of concrete durability detection, and particularly relates to a concrete durability detection device under the combined action of load-ions-organisms.
Background
The service conditions of the concrete in the 'five-water co-treatment' project are very complex. The concrete in the 'five-water co-treatment' project is subjected to load action while being subjected to microbial and ionic corrosion. Microbial Corrosion refers to Corrosion caused by or affected by microorganisms (microbiolly induced Corrosion). There are many kinds of microorganisms causing corrosion, including sulfate reducing bacteria, fungi, cyanobacteria, nitrifying bacteria, almost various anaerobic bacteria and fungi, and these bacteria not only cause the deterioration of concrete, but also cause strong corrosion to steel bars and iron parts therein. In addition, the concrete in the engineering of 'wushui co-treatment' is also subjected to freeze-thaw cycles, alternation of dryness and wetness and the action of chemical media such as sulfate, magnesium salt, acid and the like in water and soil. However, in the current concrete structure design and construction specifications, the requirements of the safety and applicability of the bearing capacity (strength) of the structure under the action of load are mainly considered, and the influence of the material performance deterioration caused by the environmental action on the safety and applicability of the structure in the long-term use process of the structure is less considered. So far, few test methods and continuous loading devices for researching service performance of a 'five-water co-treatment' engineering concrete structure in a complex environment exist. Therefore, a testing device for service performance of a concrete structure in a 'five-water co-treatment' project under a complex environment needs to be developed.
Disclosure of Invention
The invention aims to provide a technical scheme of a concrete durability detection device under the combined action of load-ions-organisms aiming at the defects in the prior art, the whole structure is ingenious and reasonable in design, the structure is simple, the operation is convenient, the durability detection of the concrete under the combined action of load-ions-organisms can be considered at the same time, and the corrosion influence of sewage, microorganisms and the like under the external environment on the concrete can be well simulated by matching a heating assembly, a humidifying assembly and an auxiliary box, so that the accuracy of detection data is improved, and the concrete durability detection device is more beneficial to the research and use of experimenters.
In order to solve the technical problems, the invention adopts the following technical scheme:
concrete durability detection device under load-ion-biological combined action which characterized in that: including detection case and auxiliary box, be provided with the intake pipe on the detection case, add the pipe, inlet tube and drain pipe, be provided with heating element in the detection case, humidification subassembly and rack, be provided with runner assembly on the rack, the last detection test piece that is provided with of runner assembly, the top of detecting the test piece is provided with load loading subassembly, load loading subassembly and runner assembly fixed connection, the auxiliary box is located one side of detection case, the bottom of detection case is provided with the through hole, the detection case communicates with the auxiliary box through the through hole, the auxiliary box is connected with air compressor.
Furthermore, the front inner side wall and the rear inner side wall of the detection box are both provided with heating components, the heating components comprise a heating box plate and a heating rod, the heating box plate is fixed with the inner wall of the detection box through screws, the side end of the heating box plate is provided with a jack, the heating rod is inserted in the jack, the side surface of the heating box plate facing the inside of the detection box is provided with a heat dissipation strip, the heat dissipation strip is provided with an arc-shaped groove, the heating components can be matched with a temperature sensor to adjust the temperature in the detection box in real time, the temperature control is ensured to be within a normal fluctuation range and accords with actual detection standards, so that the accuracy of detection data is improved, the heat is transmitted into the detection box through the simultaneous heating of a plurality of heating rods and then matched with the heat dissipation strip, meanwhile, the heat dissipation strip is provided with a plurality of arc-shaped grooves, the heat dissipation rate of the heat dissipation strip is, structural design is reasonable, and heating element's rate of heating is high-efficient rapid, and simple to operate is simple moreover.
Further, the humidification subassembly includes U type humidifying pipe, be provided with the shower nozzle on the bottom surface of U type humidifying pipe, the middle part top surface of U type humidifying pipe is provided with communicating pipe, the top surface that passes the detection case communicating pipe extends to the outside of detection case, the both ends of U type humidifying pipe all are provided with the connection folded plate, connect folded plate and rack screw fixation, can cooperate humidity transducer to detect the adjustment to the humidity in the detection case through the humidification subassembly, guarantee that the humidity control in the detection case does at normal fluctuation range, accord with the data standard of humidity, thereby make detection simulation environment more lifelike, improve the accuracy of detection data.
Further, the placing frame comprises the square-shaped frames, a supporting top plate and a supporting bottom plate, the supporting top plate is connected with the tops of the two square-shaped frames, the supporting bottom plate is connected with the bottoms of the two square-shaped frames, the side surfaces of the two square-shaped frames are connected through a connecting plate, the connecting plate is fixed with the inner wall of the detection box through screws, the design is reasonable, the placing rack can be used for conveniently and stably placing the detection test piece in the detection box, ensuring the normal operation of the experiment, meanwhile, the placing rack provides a supporting and mounting surface for mounting the rotating assembly, the supporting top plate and the supporting bottom plate realize the connection between the two clip-shaped frames, the self-structural firmness of the placing rack is ensured, meanwhile, the side surfaces of the two clip-shaped frames are connected through the connecting plate, so that the structural strength of the placing rack is further improved, and meanwhile, holes are reserved in the connecting plate, so that the placing frame can be installed and fixed in the detection box, and the actual installation and disassembly steps are simplified.
Further, the rotating assembly comprises a rotating motor and a rotating chassis, the rotating motor is fixed on the supporting top plate, the rotating chassis is positioned between the supporting top plate and the supporting bottom plate, a connecting rod is arranged at the center of the rotating chassis and is connected with a motor shaft of the rotating motor, a clamping frame on the rotating chassis is clamped, the detection test piece is clamped in a limiting groove of the clamping frame, the direction of the detection test piece on the rotating chassis can be regularly adjusted through the design of the rotating assembly, the flowing direction of sewage relative to the detection test piece is changed, the scouring direction of the sewage to the detection test piece is adjusted, the environment simulation in the detection box is more vivid, the rotating motor rotates to drive the rotating chassis to rotate, the synchronous rotation of the detection test piece on the rotating chassis is driven, the adjustment of the angular direction of the detection test piece is realized, the flowing of the sewage is indirectly changed, the scouring direction is changed, the clamping of the detection test piece on the rotating chassis is limited, the clamping stability of the detection test piece is guaranteed, the subsequent load loading assembly is convenient for pressurizing and loading the detection test piece, and the installation and the disassembly are convenient and simple.
Furthermore, two groups of limiting guide disc groups are fixedly arranged on the supporting bottom plate and are respectively positioned at two sides of the rotating chassis, each group of limiting guide disc groups comprises at least two limiting guide discs, clamping grooves are arranged on the limiting guide discs and are matched with the thickness of the rotating chassis, the rotating chassis is rotatably clamped between the two groups of limiting guide disc groups, through the design of the two groups of limiting guide disc groups, the two sides of the rotating chassis can be simultaneously supported and clamped, the structural stability of the rotating chassis is ensured, the outer side end of the rotating chassis is in limiting clamping connection in the clamping grooves of the limiting guide discs to limit the vertical jumping of the rotating chassis, meanwhile, a specific rotating track for the rotating chassis to stably rotate can be formed by combining the combined action of the limiting guide discs on the two groups of limiting guide disc groups, the rotating chassis can only stably rotate along the rotating track, the design is ingenious, and when the rotating chassis is simultaneously supported by the two groups of limiting guide disc, meanwhile, the friction resistance in the rotating process of the rotating chassis can be reduced, so that the rotating chassis can rotate more conveniently.
Furthermore, two positioning rods are arranged on the rotating chassis and symmetrically arranged on two sides of the connecting rod, the design is reasonable, the subsequent load loading assembly can be conveniently installed and positioned through the design of the positioning rods, and the two positioning rods are symmetrically arranged on two sides of the connecting rod to ensure the structural balance and stability of the rotating chassis as far as possible.
Further, the load loading assembly comprises a jack and an upper pressure plate, a mounting plate is fixed between the top ends of the two positioning rods, the jack is fixed on the bottom surface of the mounting plate, the jack is pressed against the top surface of the upper pressure plate, the upper pressure plate is sleeved on the two positioning rods and pressed against the top surface of the test piece, a fastening nut is arranged on the top surface of the upper pressure plate, the fastening nut is screwed on the positioning rods, the overall structural design is compact and reasonable, the mounting plate is fixed on the top ends of the two positioning rods, an installation supporting surface is provided for the installation of the jack through the mounting plate, meanwhile, the positioning rods correspond to reserved through holes on the upper pressure plate, the accurate clamping and limiting of the upper pressure plate are realized, the upper pressure plate is pressed against the top surface of the test piece all the time through the jacking of the jack, the load pressurization of the test piece is ensured, the fastening nut of screwing up clamp plate top surface plays supplementary spacing effect through fastening nut, effectively ensures the load on the test piece in whole testing process, the actual detection of being convenient for more, is equipped with an open slot moreover on the mounting panel, and the open slot neither influences the rotation process of rotating the chassis, and the installation that can be convenient for load loading subassembly again is dismantled.
Further, the inner bottom surface of the detection box is inclined, an auxiliary box is arranged on the corresponding side face of the inclined lowest end of the inner bottom surface of the detection box, the inner bottom surface of the detection box is designed to be inclined, so that the wave making effect of the auxiliary box is more facilitated, the formation of sewage waves in the detection box is facilitated, the wave energy of sewage under the vivid environment can be simulated, and the research and the detection of data are more facilitated.
Furthermore, a partition board is arranged in the auxiliary box, the partition board divides the auxiliary box into at least two cavities, the cavities correspond to the through holes one by one, a conduction pipe is arranged on the outer side wall of each cavity and is connected with an air compressor, the partition board is designed to divide the auxiliary box into a plurality of cavities, each cavity corresponds to one through hole to realize communication with the interior of the detection box, each cavity is connected with one air compressor through the conduction pipe, the cavities are extruded by the air compressors to adjust the liquid level height in the cavities, so that the sewage in the detection box forms a wavy wave, the wave scours a detection test piece in the detection box, a complex environment can be simulated, the research on the durability of concrete is facilitated, and each cavity is controlled by an independent air compressor, so that the liquid level adjustment height and the adjustment period in each cavity can be controlled, therefore, periodic continuous waves are formed, the scouring force of water flow and wave energy can be simulated in the detection device, and actual detection research is facilitated.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention has the advantages of ingenious and reasonable overall structure design, simple structure and convenient operation, can simultaneously consider the durability detection of the concrete under the combined action of load-ions-organisms, and can well simulate the corrosion influence of sewage, microorganisms and the like under the external environment on the concrete by matching with the heating component, the humidifying component and the auxiliary box, thereby improving the accuracy of detection data and being more beneficial to the research and use of experimenters. The air inlet pipe can facilitate the introduction of hydrogen sulfide gas, the hydrogen sulfide gas simulates the corrosion of microorganisms to concrete, the detection and research of the durability of the concrete are facilitated, the adding pipe can realize the addition of growth factors, the growth factors can be matched with reinforced sewage, the test period is further shortened, the test period is controlled within a reasonable time, the environment in the detection box is enabled to be closer to the concrete corrosion condition under the real environment, the actual research is facilitated, the water inlet pipe can facilitate the addition of the reinforced sewage, the drain pipe can facilitate the removal and replacement of the reinforced sewage in the detection box, so that the COD value of the reinforced sewage in the detection box is ensured to be kept above 500, the heating component can be matched with the temperature sensor to adjust the temperature in the detection box in real time, the temperature is ensured to be controlled within a normal fluctuation range, and the humidification component can be matched with the humidity sensor to detect and adjust the humidity in the detection box, the humidity in the detection box is controlled within a normal fluctuation range and accords with the data standard of the humidity, the detection environment in the detection box is simultaneously controlled from two aspects of temperature and humidity, so that the detection simulation environment is more vivid, the accuracy of detection data is improved, a blowing fan is also arranged in the detection box, the effects of a heating component and a humidifying component can be more comprehensive and efficient through the blowing fan, meanwhile, hydrogen sulfide can be quickly diffused into the detection box through the blowing fan, the detection period of a detection test piece is accelerated, the actual detection research is more convenient, the adjustment of the placement angle of the detection test piece can be realized by the rotation component, the flushing direction of intensified sewage to the detection test piece is changed, the environment simulation is more real, and the load loading component can further simulate the structural bearing capacity of the concrete under the action of the detection load, therefore, the detection device can realize the detection of the durability of the concrete under the combined action of load-ions-organisms, and is more beneficial to the actual research.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a concrete durability testing device under load-ion-biological combined action according to the present invention;
FIG. 2 is a schematic view showing the internal structure of the detection box according to the present invention;
FIG. 3 is a schematic view of the installation position of the heating assembly, the humidifying assembly and the placing frame in the detection box;
FIG. 4 is a schematic view of the position structure of the through hole in the inspection box according to the present invention;
FIG. 5 is a schematic view showing an inner structure of an auxiliary tank according to the present invention;
FIG. 6 is a schematic view of a humidifying assembly according to the present invention;
FIG. 7 is a schematic view of a heating element according to the present invention;
FIG. 8 is a schematic view of the installation positions of the rotating assembly, the load loading assembly and the placing frame in the present invention;
FIG. 9 is a schematic view of the position structure of the rotating chassis and the limiting guide disc set according to the present invention;
fig. 10 is a schematic structural view of the rack of the present invention;
FIG. 11 is a schematic view of the mounting structure of the rotating assembly and the load family assembly of the present invention;
FIG. 12 is a schematic view of the inner bottom surface of the detection box of the present invention.
In the figure: 1-detection box; 2-an auxiliary box; 3, an air inlet pipe; 4-an addition pipe; 5-water inlet pipe; 6, a drain pipe; 7-a heating assembly; 8-a humidifying component; 9-placing a rack; 10-a rotating assembly; 11-detecting the test piece; 12-a through opening; 13-heating the box plate; 14-a heating rod; 15-heat dissipation strips; 16-an arc-shaped groove; 17-U type humidifying pipe; 18-a spray head; 19-communicating tube; 20-connecting flaps; 21-a square frame; 22-supporting the top plate; 23-a support floor; 24-connecting plates; 25-a rotating motor; 26-rotating the chassis; 27-a connecting rod; 28-clamping frame; 29-a limiting groove; 30-limiting guide disc; 31-a card slot; 32-positioning rods; 33-jacks; 34-an upper press plate; 35-a mounting plate; 36-a fastening nut; 37-a separator; 38-a cavity; 39-a blowing fan; 40-conducting pipe.
Detailed Description
As shown in fig. 1 to 12, the concrete durability detection device under load-ion-biological combined action of the invention comprises a detection box 1 and an auxiliary box 2, wherein an air inlet pipe 3, an adding pipe 4, an inlet pipe 5 and a drain pipe 6 are arranged on the detection box 1, a heating assembly 7, a humidifying assembly 8 and a placing rack 9 are arranged in the detection box 1, a rotating assembly 10 is arranged on the placing rack 9, a detection test piece 11 is arranged on the rotating assembly 10, a load loading assembly is arranged at the top of the detection test piece 11 and fixedly connected with the rotating assembly 10, the auxiliary box 2 is arranged at one side of the detection box 1, a through hole 12 is arranged at the bottom of the detection box 1, the detection box 1 is communicated with the auxiliary box 2 through the through hole 12, the auxiliary box 2 is connected with an air compressor, and the air compressor can change the liquid level in the auxiliary box 2 so as to form waves in the detection box, and the scouring force and the wave energy of the water flow are simulated.
The front inner side wall and the rear inner side wall of the detection box 1 are respectively provided with a heating component 7, the heating components 7 comprise a heating box plate 13 and a heating rod 14, the heating box plate 13 is fixed with the inner wall of the detection box 1 through screws, the side end of the heating box plate 13 is provided with a jack, the heating rod 14 is inserted in the jack, the side surface of the heating box plate 13 facing the inside of the detection box 1 is provided with a heat dissipation strip 15, the heat dissipation strip 15 is provided with an arc-shaped groove 16, the temperature in the detection box 1 can be adjusted in real time by matching with a temperature sensor through the heating components 7, the temperature is ensured to be controlled within a normal fluctuation range and accords with actual detection standards, so that the accuracy of detection data is improved, the heat is transmitted and dissipated into the detection box 1 through simultaneous heating of a plurality of heating rods 14 and then matching with the heat dissipation strip 15, meanwhile, the heat dissipation strip 15 is provided with a plurality of arc-shaped grooves, thereby the temperature in the effective control detection case 1, structural design is reasonable, and heating element 7's rate of heating is high-efficient rapid, and simple to operate is simple moreover.
The placing frame 9 comprises a clip frame 21, a supporting top plate 22 and a supporting bottom plate 23, the supporting top plate 22 is connected with the tops of the two clip frames 21, the supporting bottom plate 23 is connected with the bottoms of the two clip frames 21, the side surfaces of the two clip frames 21 are connected through a connecting plate 24, the connecting plate 24 is fixed with the inner wall of the detection box 1 through screws, the design is reasonable, the placing frame 9 can be used for facilitating the stable placement of the detection test piece 11 in the detection box 1 and ensuring the normal operation of the experiment, meanwhile, the placing frame 9 provides a supporting and mounting surface for the installation of the rotating assembly 10, the supporting top plate 22 and the supporting bottom plate 23 realize the connection between the two clip frames 21 and ensure the self-structure firmness of the placing frame 9, meanwhile, the side surfaces of the two clip frames 21 are connected through the connecting plate 24, the structural strength of the placing frame 9 is further improved, and holes are reserved on the connecting plate 24 to realize the installation and fixation of, the actual mounting and dismounting steps are simplified.
The rotating assembly 10 comprises a rotating motor 25 and a rotating chassis 26, the rotating motor 25 is fixed on the supporting top plate 22, the rotating chassis 26 is located between the supporting top plate 22 and the supporting bottom plate 23, a connecting rod 27 is arranged at the center of the rotating chassis 26, the connecting rod 27 is connected with a motor shaft of the rotating motor 25, a clamping frame 28 on the rotating chassis 26 is clamped in a limiting groove 29 of the clamping frame 28, the direction of the detection test piece 11 on the rotating chassis 26 can be regularly adjusted through the design of the rotating assembly 10, the flowing direction of sewage relative to the detection test piece is changed, the scouring direction of the sewage to the detection test piece 11 is adjusted, the environmental simulation in the detection box 1 is more vivid, the rotating motor 25 rotates to drive the rotating chassis 26 to rotate, the synchronous rotation of the detection test piece 11 on the rotating chassis 26 is driven, and the adjustment of the angle direction of the detection test piece 11 is realized, indirectly change the flow of sewage, erode the direction, the ingenious design of the last card frame 28 of rotation chassis 26 realizes that the joint of test piece 11 on rotation chassis 26 is spacing, guarantees the joint steadiness of test piece 11, and the follow-up load loading subassembly of being convenient for is to the pressurization load of test piece 11, and the installation is dismantled conveniently simply.
The supporting bottom plate 23 is fixedly provided with two groups of limiting guide disc groups which are respectively positioned at two sides of the rotating chassis 26, each group of limiting guide disc groups comprises at least two limiting guide discs 30, the limiting guide discs 30 are provided with clamping grooves 31, the clamping grooves 31 are matched with the thickness of the rotating chassis 26, the rotating chassis 26 is rotatably clamped between the two groups of limiting guide discs 30, through the design of the two groups of limiting guide discs 30, the two sides of the rotating chassis 26 can be simultaneously supported and clamped, the structural stability of the rotating chassis 26 is ensured, the outer side end of the rotating chassis 26 is in limiting clamping in the clamping grooves 31 of the limiting guide discs 30 to limit the vertical jumping of the rotating chassis 26, meanwhile, a specific rotating track for stably rotating the rotating chassis 26 can be formed by combining the combined action of the limiting guide discs 30 on the two groups of limiting guide discs 30, and the rotating chassis 26 can only stably rotate along the rotating track, design benefit, when supporting rotating chassis 26 simultaneously through two sets of spacing guiding disks 30 groups, can reduce the frictional resistance that rotating chassis 26 rotated the in-process simultaneously again for rotating chassis 26 rotates more convenient.
Two positioning rods 32 are arranged on the rotating chassis 26, the two positioning rods 32 are symmetrically arranged on two sides of the connecting rod 27, the design is reasonable, the subsequent load loading assembly can be conveniently installed and positioned through the design of the positioning rods 32, and the two positioning rods 32 are symmetrically arranged on two sides of the connecting rod 27, so that the structural balance and stability of the rotating chassis 26 can be guaranteed as far as possible.
The load loading assembly comprises a jack 33 and an upper pressure plate 34, a mounting plate 35 is fixed between the top ends of two positioning rods 32, the jack 33 is fixed on the bottom surface of the mounting plate 35, the jack 33 is pressed against the top surface of the upper pressure plate 34, the upper pressure plate 34 is sleeved on the two positioning rods 32, the upper pressure plate 34 is pressed against the top surface of the test piece 11, a fastening nut 36 is arranged on the top surface of the upper pressure plate 34, the fastening nut 36 is screwed on the positioning rod 32, the whole structure design is compact and reasonable, the mounting plate 35 is fixed on the top ends of the two positioning rods 32, a mounting support surface is provided for mounting the jack 33 through the mounting plate 35, meanwhile, the positioning rod 32 corresponds to a reserved perforation on the upper pressure plate 34, accurate clamping limiting of the upper pressure plate 34 is realized, the upper pressure plate 34 is pressed against and pressed against the top surface of the test piece 11 all the time through the jacking of the jack 33, after jack 33 pressurization is accomplished simultaneously, the fastening nut 36 of upper pressure plate 34 top surface is screwed up, plays supplementary spacing effect through fastening nut 36, effectively ensures the load on testing piece 11 in whole testing process, the actual detection of being more convenient for, is equipped with an open slot moreover on the mounting panel 35, and the open slot neither influences the rotation process of rotating chassis 26, and the installation of the load loading subassembly of can being convenient for again is dismantled.
The interior bottom surface of detection case 1 is the slope setting, and the corresponding side of the slope least significant end of the interior bottom surface of detection case 1 is provided with auxiliary box 2, designs into the slope design with the interior bottom surface of detection case 1 to more be favorable to auxiliary box 2 to make unrestrained effect, be favorable to the formation of the sewage wave in the detection case 1, thereby can simulate under the lifelike environment the wave energy of sewage and erode, more be favorable to the research detection of data.
The auxiliary box 2 is internally provided with a clapboard 37, the clapboard 37 divides the auxiliary box 2 into at least two cavities 38, the cavities 38 correspond to the through holes 12 one by one, the outer side wall of each cavity 38 is provided with a conduction pipe 40, the conduction pipe 40 is connected with an air compressor, the clapboard 37 is designed to divide the auxiliary box 2 into a plurality of cavities 38, each cavity 38 corresponds to one through hole 12 to realize the communication with the inside of the detection box 1, each cavity 38 is connected with one air compressor through the conduction pipe 40, the liquid level in each cavity 38 is adjusted by extruding the cavity 38 through the air compressor, so that the sewage in the detection box 1 forms a wavy wave which scours the detection test piece 11 in the detection box 1, the complex environment can be simulated, the research on the concrete durability is facilitated, and each cavity 38 is controlled by the independent air compressor, therefore, the liquid level in each cavity 38 can be controlled to adjust the height and the period, so that periodic continuous waves are formed, the scouring force of water flow and wave energy can be simulated in the detection device, and actual detection research is facilitated.
The invention has the advantages of ingenious and reasonable overall structure design, simple structure and convenient operation, can simultaneously consider the durability detection of the concrete under the combined action of load-ions-organisms, and can well simulate the corrosion influence of sewage, microorganisms and the like on the concrete under the external environment by matching with the heating component 7, the humidifying component 8 and the auxiliary box 2, thereby improving the accuracy of detection data and being more beneficial to the research and use of experimenters. The air inlet pipe 3 can facilitate the introduction of hydrogen sulfide gas, the hydrogen sulfide gas can simulate the corrosion of microorganisms to concrete, the detection and research of the durability of the concrete are facilitated, the adding pipe 4 can realize the addition of growth factors, the growth factors can be matched with reinforced sewage, the test period is further shortened, the test period is controlled within a reasonable time, the environment in the detection box 1 is enabled to be closer to the concrete corrosion condition under the real environment, the actual research is facilitated, the water inlet pipe 5 can facilitate the addition of the reinforced sewage, the drain pipe 6 can facilitate the removal and replacement of the reinforced sewage in the detection box 1, the COD value of the reinforced sewage in the detection box 1 is ensured to be kept above 500, the heating component 7 can be matched with a temperature sensor to adjust the temperature in the detection box 1 in real time, and the temperature is ensured to be controlled within a normal fluctuation range, the humidifying component 8 can be matched with a humidity sensor to detect and adjust the humidity in the detection box 1, the humidity in the detection box 1 is controlled within a normal fluctuation range, the humidity meets the data standard of the humidity, the detection environment in the detection box 1 is controlled from two aspects of temperature and humidity, the detection simulation environment is more vivid, the accuracy of detection data is improved, a blowing fan 39 is further arranged in the detection box 1, the effects of the heating component 7 and the humidifying component 8 can be more comprehensive and efficient through the blowing fan 39, meanwhile, the blowing fan 39 can enable hydrogen sulfide to be rapidly diffused into the detection box 1, the detection period of the detection test piece 11 is shortened, the actual detection research is more convenient, meanwhile, the detection test piece 11 can realize the adjustment of the placement angle by virtue of the rotating component 10, and the scouring direction of reinforced sewage to the detection test piece 11 is changed, the environment simulation is more real, and the load loading assembly can further simulate and detect the structural bearing capacity of the concrete under the load action, so that the detection of the durability of the concrete under the combined action of load-ions-organisms can be realized through the detection device, and the actual research is more facilitated.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (10)
1. Concrete durability detection device under load-ion-biological combined action which characterized in that: the detection device comprises a detection box and an auxiliary box, wherein an air inlet pipe, an adding pipe, an inlet pipe and a drain pipe are arranged on the detection box, a heating assembly, a humidifying assembly and a placing frame are arranged in the detection box, a rotating assembly is arranged on the placing frame, a detection test piece is arranged on the rotating assembly, a load loading assembly is arranged at the top of the detection test piece, the load loading assembly is fixedly connected with the rotating assembly, the auxiliary box is located on one side of the detection box, a through hole is formed in the bottom of the detection box, the detection box passes through the through hole and is communicated with the auxiliary box, and the auxiliary box is connected with an air compressor.
2. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the heating assembly is arranged on the front inner side wall and the rear inner side wall of the detection box and comprises a heating box plate and a heating rod, the heating box plate is fixed with the inner wall of the detection box through screws, a jack is formed in the side end of the heating box plate, the heating rod is inserted into the jack, the heating box plate faces the side face inside the detection box, a heat dissipation strip is arranged on the side face, and an arc-shaped groove is formed in the heat dissipation strip.
3. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the humidifying component comprises a U-shaped humidifying pipe, a sprayer is arranged on the bottom surface of the U-shaped humidifying pipe, the middle top surface of the U-shaped humidifying pipe is provided with a communicating pipe, the communicating pipe penetrates through the top surface of the detection box and extends to the outer side of the detection box, the two ends of the U-shaped humidifying pipe are provided with connecting folded plates, and the connecting folded plates are fixed to the placing rack screws.
4. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the rack comprises two clip-shaped frames, a supporting top plate and a supporting bottom plate, wherein the supporting top plate is connected with the tops of the clip-shaped frames, the supporting bottom plate is connected with the bottoms of the clip-shaped frames, the two sides of the clip-shaped frames are connected through a connecting plate, and the connecting plate is fixed with the inner wall of the detection box through screws.
5. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 4, wherein: the rotating assembly comprises a rotating motor and a rotating chassis, the rotating motor is fixed on the supporting top plate, the rotating chassis is located between the supporting top plate and the supporting bottom plate, a connecting rod is arranged at the center of the rotating chassis and connected with a motor shaft of the rotating motor, a clamping frame is arranged on the rotating chassis, and the detection test piece is clamped in a limiting groove of the clamping frame.
6. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 5, wherein: the supporting base plate is fixedly provided with two groups of limiting guide disc groups, the two groups of limiting guide disc groups are respectively located on two sides of the rotating chassis, each group of limiting guide disc groups comprises at least two limiting guide discs, clamping grooves are formed in the limiting guide discs, the clamping grooves are matched with the thickness of the rotating chassis, and the rotating chassis is rotatably clamped between the two groups of limiting guide disc groups.
7. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 5, wherein: two positioning rods are arranged on the rotating chassis and symmetrically arranged on two sides of the connecting rod.
8. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 7, wherein: the load loading assembly comprises a jack and an upper pressing plate, a mounting plate is fixed between the top ends of the positioning rods, the jack is fixed on the bottom surface of the mounting plate, the jack is abutted and compressed on the top surface of the upper pressing plate, the upper pressing plate is sleeved with the two positioning rods, the upper pressing plate is abutted and compressed on the top surface of the detection test piece, a fastening nut is arranged on the top surface of the upper pressing plate, and the fastening nut is screwed on the positioning rods.
9. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the inner bottom surface of the detection box is obliquely arranged, and the corresponding side face of the lowest oblique end of the inner bottom surface of the detection box is provided with the auxiliary box.
10. The apparatus for testing concrete durability under load-ion-bio interaction according to claim 1, wherein: the auxiliary box is internally provided with a partition board which divides the auxiliary box into at least two cavities, the cavities correspond to the through holes one to one, and the outer side wall of each cavity is provided with a conduction pipe which is connected with the air compressor.
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