CN110132741A - Test device for simulating dynamic and static combined loading concrete of marine environment - Google Patents
Test device for simulating dynamic and static combined loading concrete of marine environment Download PDFInfo
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- CN110132741A CN110132741A CN201910513191.4A CN201910513191A CN110132741A CN 110132741 A CN110132741 A CN 110132741A CN 201910513191 A CN201910513191 A CN 201910513191A CN 110132741 A CN110132741 A CN 110132741A
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
- 239000004567 concrete Substances 0.000 title claims abstract description 80
- 230000003068 static effect Effects 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 184
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000001035 drying Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000002791 soaking Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 25
- 230000007797 corrosion Effects 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 230000001351 cycling effect Effects 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000001808 coupling effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000011897 real-time detection Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 12
- 238000011160 research Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000840 electrochemical analysis Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001804 chlorine Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- G01N3/02—Details
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0244—Tests performed "in situ" or after "in situ" use
- G01N2203/0246—Special simulation of "in situ" conditions, scale models or dummies
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention belongs to the technical field of marine concrete material durability test equipment, and particularly relates to a test device for simulating dynamic and static combined loading concrete of a marine environment, which has the following advantages compared with the prior art: 1. the automatic detection device is simple in structure, convenient to install and high in automation degree, saves labor, material and time costs, and improves accuracy due to the integral control function and the real-time detection and recording function of the control box; 2. the upper water level sensor, the lower water level sensor, the communicating water pipe, the test box and the liquid storage box are matched to carry out a dry-wet cycle test, so that the boundaries of the underwater region, the tidal region and the splash region are clear, the underwater region is always in a soaking environment, the tidal region is in a soaking and drying environment, and the splash region is in a spraying environment; 3. meanwhile, the characteristics of chemical and mechanical coupling action and dynamic and static combined loading are considered, the environment of the concrete service is better met, and the method can be widely applied to concrete durability test occasions.
Description
Technical field:
The invention belongs to maritime concrete materials ' durability technical field of test equipment, and in particular to a kind of simulation ocean ring
The experimental rig of border sound combination loading concrete.
Background technique:
People study endurance issues caused by Chloride Attack concrete for many years, but mostly around single
Influence factor expansion.However, the concrete in Practical Project is not to work under single factors, generally all bear two kinds or
Two or more factor collective effects.When many factors collective effect, the damaging action to concrete is not each single factors
The simple superposition of effect, the reciprocation that each factor generates make the destructive process complication of concrete during practical military service.
In practical projects, nearly all concrete can all bear different types of load action, and load often causes micro- in concrete
Crack generation and expansion, to influence chloride ion in the permeability of concrete.But overwhelming majority research does not account for load or splits
Stitch influence to chloride ion permeability, particular without considering that microcrack caused by load influences, seldom by reinforcement corrosion rule,
Microcrack caused by chloride permeability performance and load connects research with load itself, and actual engineering structure is past
It is past to be subject to various load actions, crack or microcrack caused by being constantly present in concrete because of various factors.In recent years,
People have gradually carried out the research of concrete destruction mechanism under multifactor effect, but the factors such as tested experiment device and test period
It restricts, and is influenced often to prevent research conclusion from performing well in instructing engineering practice by factors such as concrete materials.
A lot of research work is carried out in terms of concrete structure durability both at home and abroad, but most researchs are using acceleration examination
Test method.This kind of test method is by improving temperature, relative humidity, etching medium concentration or introducing the live factor being not present
(such as electric current) accelerates concrete structure durability to deteriorate, leads to concrete structure durability erosion mechanism, process and result
It is not inconsistent with actual state, research achievement is dfficult to apply in Practical Project.In addition, existing concrete durability research method spininess
To material level, it is short of test method in terms of concrete structure durability.Such as: disclosed in Chinese patent 201410380371.7
The test device of chlorine salt corrosion reinforced concrete member includes: that continuing load loading device, villaumite are quick under a kind of continuing load
Corrosion device, measure and control device, the continuing load loading device include: loading frame, load driver device；The loading frame
It include: lower beam, upper beam, test beam support frame, reaction beam, loading frame screw rod, nut, side support, upper beam, test beam
Support frame, lower beam both ends successively perforate to connect by four loading frame screw rods forms intersecting parallels frame structure；Reaction beam both ends
It is fixed on above two lower beams；Side support is fixed below upper beam；The load driver device includes: jack, load
Sensor, distribution beam；The jack is fixed in the middle part of reaction beam, and load transducer, load sensing are provided at the top of jack
It is provided with ball hinged support at the top of device, distribution beam is set at the top of ball hinged support, both ends are symmetrically arranged with roller bearing load at the top of distribution beam
Plate；The villaumite fast erosion device includes: that DC power supply, chloride solution hold frame, corroding cathode and air pump；The villaumite
Solution holds frame and is sealingly fastened in test beam middle and upper part；The DC power cathode is connected with corroding cathode；The air pump connects
It is connected to air hose；The chloride solution holds frame using organic glass material, and chloride solution holds upper frame edge edge and is higher than test
Top surface of the beam 30-80mm, for side feather edge lower than longitudinal reinforcement 20-80mm in test beam, chloride solution holds frame feather edge and examination
It tests beam and passes through first binding agent seal；Chloride solution holds frame bottom surface both ends and is provided with the solution tap that diameter is 8-15mm；Institute
Stating measure and control device includes: electrochemical test, load test device, deflection measuring apparatus, main control box；The load test dress
Set includes: load transducer, load Acquisition Instrument；The deflection measuring apparatus includes: displacement meter, displacement acquisition instrument；The displacement
Meter is fixed in the middle part of angle steel by displacement meter locating piece, and the angle steel is connected by screw rod with test beam sides；The master control
Electrochemical test, DC power supply, load Acquisition Instrument, displacement acquisition instrument, air pump, single-chip microcontroller, electrochemistry are provided in case processed
Tester positive input port is connected with the port main control box A, and the electrochemical test negative input port port control cabinet B is connected
It connects；DC power anode is connected with the port main control box A, and DC power cathode is connected with the port main control box B；Air pump
Gas outlet is connected with main control box C port；The main control box C port is connected with a plurality of air hose, and air hose is logical
Frame bottom is held to chloride solution, the spacing of adjacent air hose exhaust port is set as 200-500mm；The input of displacement acquisition instrument
Port is connected with the port main control box D；Load Acquisition Instrument input port is connected with the port main control box E；The main control
The port case A is connected by conducting wire with the vertical muscle of test beam, and the port main control box B is connected by conducting wire with corroding cathode, main
Control cabinet C port is connected with air hose, and the port main control box D is connected by data line with displacement meter, the end main control box E
Mouth is connected by data line with load transducer；Electrochemical test, DC power supply, load Acquisition Instrument, displacement acquisition instrument, sky
The control terminal of air pump is connected with single-chip microcontroller；The single-chip microcontroller is connected with output equipment, can acquire, shows, store in real time
And print out measurement data；A kind of load and test specimen under environment coupled action disclosed in Chinese patent 201710003604.5 are resistance to
Long property experimental rig include the work chamber of a simulated environment, loads fixture, test specimen, internal load transfer device, external load transfer device,
Internal support, external support, jack, reaction frame and test macro；Wherein external support is fixed on big ground, work chamber peace
Be placed in external support, setting salt fog spray head, humidity tester and chloride ion content tester in work chamber, for simulating and
Indoor environment is controlled to act on the Chloride Attack of test specimen；Internal load transfer device is placed in work together with loads fixture and test specimen
In inside support in cabin, and hole is pierced by by internal load transfer device and is connect with external load transfer device；External load transfer device with
Jack and reaction frame are connected；By opening jack, top lift caused by jack is passed to external power transmission by reaction frame
Device, and then transmit the force to internal load transfer device and loads fixture and be ultimately transferred to test specimen, to realize in work chamber
Test specimen is further applied load, and completes durability performance of the test specimen under multifactor collective effect by test macro in whole process and surveys
Examination；A kind of experiment of analog littoral environment erosion and fatigue load coupling disclosed in Chinese patent 201810381886.7
Device includes fatigue load press machine, further includes water storage type silica gel sheath, air blower, suction pump, liquid reserve tank, the first motor-driven valve,
Two motor-driven valves and control system, water storage type silica gel sheath center are provided with test specimen to be measured, test specimen to be measured and water storage type silica gel
The upper and lower ends contact position of set is to be tightly connected, and test specimen to be measured stretches out the upper and lower ends of water storage type silica gel sheath, is placed in fatigue
On the load table top of load pressure machine；The upper end of the water storage type silica gel sheath is provided with water inlet, the water storage type silica gel sheath
Lower end is provided with water outlet gas outlet；The water inlet by water inlet pipe successively with the first motor-driven valve, suction pump and liquid reserve tank according to
Secondary connection；The water outlet gas outlet is directly connect with liquid reserve tank by being discharged escape pipe；First motor-driven valve and water inlet it
Between water inlet pipe on be additionally provided with air inlet, the air inlet is successively connected with the second motor-driven valve and air blower by air inlet pipe
It connects；First motor-driven valve, the second motor-driven valve are connect with control system.Therefore, a kind of simulating ocean environment of R & D design is dynamic
The experimental rig of quiet combination loading concrete, at the same consider chemistry with Coupling with Mechanics effect, ocean a variety of environmental forms and
Bearing load type during practical military service, complies with concrete military service local environment, it is resistance to can be widely applied for concrete
Long property test.
Summary of the invention:
It is an object of the invention to overcome defect of the existing technology, research and develop a kind of simulating ocean environment sound joint plus
The experimental rig for carrying concrete makes concrete sample simultaneously by chemistry and Coupling with Mechanics effect, a variety of environment in ocean
Load type during type and the practical military service of receiving, instructs Practical Project.
To achieve the goals above, the experimental rig of simulating ocean environment sound combination loading concrete of the present invention
It is splashed unit by press unit, test box unit, blowing unit, liquid storage unit, solution cycling element and wave and is constituted；Test packing list
Member is located in press unit, and blowing unit and wave splash unit and be located in test box unit, and test box unit is recycled by solution
Unit is connect with liquid storage unit；The main structure of press unit includes column, upper cross plate, lower cross plate, bolt, cap nut, branch
Support, backing plate, force transmitting board, piston, screw rod, pressure sensor, jack, top board and lower platen；Test the main body of box unit
Structure include chamber, test case lid, chamber venthole, upper water level sensor, lower water level sensor, Temperature Humidity Sensor and
Temperature sensor；Blowing unit is ceiling fan；The main structure of liquid storage unit includes connection water pipe, liquid reserve tank, connection valve and storage
Liquid case venthole；The main structure of solution cycling element include pipe support, water inlet water pump, inlet valve, outlet pipe, effluent water pump and
Flowing water Valve；The main structure that wave splashes unit includes spray waterpipe and spray head；Four columns pass through with upper cross plate and lower cross plate
Bolt and cap nut connect into frame, and support frame and backing plate, upper cross plate are provided between upper cross plate and lower cross plate and cap nut
Upper surface be provided with force transmitting board, the upper surface of force transmitting board is provided with piston, piston and the screw rod for passing through upper cross plate and force transmitting board
One end connection, the other end of screw rod enters be arranged in frame the chamber in portion after connected by pressure sensor and jack
It connects, top board is provided with below jack, the bottom of chamber is provided with lower platen, two fans pair are provided at the top of chamber
The test case lid for the semicircular structure opened, chamber are connect with test case lid radial type, and test case lid offers a column chamber
Venthole, the test equidistant formula of chamber interior wall are provided with a circle ceiling fan, test and are provided with water level sensor in box inner wall under
Water level sensor is tested and is additionally provided with Temperature Humidity Sensor and temperature sensor in box inner wall, and chamber passes through connection water pipe
It is connect with the liquid reserve tank for the hollow type structure being independently arranged, is connected on water pipe and is provided with connection valve, opened up at the top of liquid reserve tank
Enter chamber after thering are two rows of parallel liquid reserve tank ventholes, the pipe support of character "door" form structure to be drawn by liquid reserve tank, pipe support is by being arranged
Right side right standpipe, be arranged in left side bending structure left standpipe and the horizontal standpipe that is arranged between right standpipe and left standpipe
It connects and composes, horizontal standpipe is water inlet pipe, is provided on water inlet pipe into water water pump, and left riser upper is provided with inlet valve, and the right side is vertical
Pipe top set goes out the outlet pipe connecting with left standpipe, is provided with effluent water pump and flowing water Valve, water inlet pipe and Zuo Li on outlet pipe
Pipe intersection branches out two rows of spray waterpipes, and spray waterpipe connect with the spray head that test case lid lower surface is arranged in, independently sets
The control cabinet set by conducting wire respectively with ceiling fan, upper water level sensor, lower water level sensor, Temperature Humidity Sensor, temperature sensing
Device, connection valve, water inlet water pump, inlet valve, effluent water pump and flowing water Valve electrical connection.
The diameter of piston of the present invention is 150mm, stroke 50nm；The material of chamber and liquid reserve tank is salt tolerant
The stainless steel of solution corrosion, the diameter of chamber are 500mm, are highly 500mm, the size of liquid reserve tank be 0.4m × 0.4m ×
0.4m；Pressure sensor, jack, top board, lower platen, upper water level sensor, lower water level sensor, Temperature Humidity Sensor,
Temperature sensor, connection water pipe, connection valve, pipe support, water inlet water pump, inlet valve, outlet pipe, effluent water pump, flowing water Valve,
The material of spray waterpipe, spray head and conducting wire all has corrosion resistance；The length and width of top board and lower platen is
The diameter of 200mm, the concrete sample placed between top board and lower platen are 100mm, are highly 300mm, bottom 100mm is
Underwater area, intermediate 100mm are littoral area, and top layer 100mm is splash zone；The quantity of chamber venthole is 6, each test case lid
On have 3, the water vapour discharge chamber that chamber venthole is used to generate drying process；The quantity of ceiling fan be 4, ceiling fan it
Between angle be 90 °；Upper water level sensor is located at littoral area and splash zone intersection, and lower water level sensor is located at underwater Qu Yuchao
Nighttide area intersection, upper water level sensor and lower water level sensor change for sensed water level；Temperature Humidity Sensor is located at connection water
The top of pipe, temperature and humidity for environment where detecting splash zone concrete test block；Temperature sensor is located at underwater area, uses
The temperature of environment where detecting underwater area and littoral area concrete test block；The quantity of liquid reserve tank venthole is 8；Outside control cabinet
Portion is provided with liquid crystal display, is internally provided with single chip microcomputer circuit board, control ceiling fan, upper water level sensor, lower water level sensor,
Temperature Humidity Sensor, temperature sensor, connection valve, water inlet water pump, inlet valve, effluent water pump and flowing water Valve on-off,
Drying and watering cycle time ratio is set, shows dry and wet state, and record drying moistening cycle, temperature, humidity and payload values.
The experimental rig of simulating ocean environment sound combination loading concrete of the present invention in use, top board with
Concrete sample is placed between lower platen, pressure sensor is connected with external computer, and concrete examination is set by external computer
Part load value controls connecting screw, pressure sensor and jack by piston and declines, when jack reaches top board,
Pressure sensor detects the load that concrete sample is subject to, and when payload values reach setting value, controls connection spiral shell by piston
Bar, pressure sensor and jack stop decline, and press unit is in running order always；When bottom and intermediate concrete try
Part is in soaking state and when top layer concrete sample is in shower state, control cabinet control connection valve, water inlet water pump and into
Penstock is opened, and so that connection water pipe, water inlet pipe is connected to liquid reserve tank with spray waterpipe, preconfigured solution enters examination in liquid reserve tank
In tryoff, when solution reaches upper water level sensor, control cabinet controls inlet valve and closes, and the solution in chamber is increased to company
After water service pipe by be connected to water pipe be back to liquid reserve tank, after meeting the MEBO ribbon gauze of setting, control cabinet control connection valve and into
Water water pump is closed, while controlling effluent water pump and flowing water Valve unlatching, so that solution is flow back to liquid reserve tank, when solution is reduced to lower water level
When sensor, control cabinet controls effluent water pump and flowing water Valve is closed, and so that bottom concrete is in immersion environment always, is equivalent to
Underwater area in true environment, intermediate concrete test specimen are in drying and watering cycle environment, are equivalent to the littoral area in true environment, top
Layer concrete test specimen is in drying and watering cycle environment, the splash zone being equivalent in true environment；When concrete sample is in wet shape
When state, control cabinet control ceiling fan close, after solution flows back to liquid reserve tank, control cabinet control ceiling fan open, to concrete sample into
Row drying, water vapour are discharged by chamber venthole, carry out the concrete sample wetting-drying test of the setting frequency according to this.
Compared with prior art, the present invention having the advantage that 1, simple structure, easy for installation, the degree of automation is higher,
Artificial, material and time cost are saved, while the integral control function of control cabinet and real-time perfoming detect writing function, improve
Accuracy；2, upper water level sensor, lower water level sensor, connection water pipe, chamber and liquid reserve tank cooperation carry out drying and watering cycle
Test, ensure that the clear-cut of underwater area, littoral area and splash zone, and underwater area is made to be in immersion environment always, at littoral area
In immersion and dry environment, splash zone is in spray environment；3, consider that chemistry is combined with Coupling with Mechanics effect and sound simultaneously to add
The characteristics of load, is more in line with the locating environment of concrete military service, can be widely used in concrete durability experiment occasion.
Detailed description of the invention:
Fig. 1 is main structure schematic illustration of the invention.
Fig. 2 is partial structure sectional view of the invention.
Fig. 3 is the principle schematic diagram of test case lid of the present invention.
Fig. 4 is the distribution schematic diagram of ceiling fan of the present invention.
Fig. 5 is the distribution schematic diagram of liquid reserve tank venthole of the present invention.
Specific embodiment:
Invention is further described in detail with reference to the accompanying drawing and by embodiment.
Embodiment 1:
The main structure of the experimental rig for the simulating ocean environment sound combination loading concrete that the present embodiment is related to includes
Column 1, upper cross plate 2, lower cross plate 3, bolt 4, cap nut 5, support frame 7, backing plate 8, force transmitting board 9, piston 10, screw rod 11, test
Case 12, pressure sensor 13, jack 14, top board 15, lower platen 16, test case lid 17, chamber venthole 18, ceiling fan
19, upper water level sensor 20, lower water level sensor 21, Temperature Humidity Sensor 22, temperature sensor 23, connection water pipe 24, liquid storage
Case 25, connection valve 26, liquid reserve tank venthole 27, pipe support 28, water inlet water pump 30, inlet valve 31, outlet pipe 32, effluent water pump
33, flowing water Valve 34, spray waterpipe 35, spray head 36, control cabinet 37 and conducting wire 38；Four columns 1 and upper cross plate 2 and lower cross plate
3 connect into frame 6 by bolt 4 and cap nut 5, be provided between upper cross plate 2 and lower cross plate 3 and cap nut 5 support frame 7 and
Backing plate 8, the upper surface of upper cross plate 2 are provided with force transmitting board 9, and the upper surface of force transmitting board 9 is provided with piston 10, piston 10 with pass through it is upper
Transverse slat 2 is connected with one end of the screw rod 11 of force transmitting board 9, and the other end of screw rod 11 enters the chamber 12 being arranged in inside frame 6
It is connect afterwards by pressure sensor 13 with jack 14, the lower section of jack 14 is provided with top board 15, the bottom of chamber 12
It is provided with lower platen 16, the top of chamber 12 is provided with the test case lid 17 of the split semicircular structure of two fans, chamber 12
It is connect with test 17 radial type of case lid, test case lid 17 offers a column chamber venthole 18, and 12 inner wall of chamber is equidistant
Formula is provided with a circle ceiling fan 19, and water level sensor 20 and lower water level sensor 21 are provided on 12 inner sidewall of chamber, test
Temperature Humidity Sensor 22 and temperature sensor 23 are additionally provided on 12 inner sidewall of case, chamber 12 is by connection water pipe 24 and independently
The liquid reserve tank 25 of the hollow type structure of setting connects, and is connected on water pipe 24 and is provided with connection valve 26, the top of liquid reserve tank 25 is opened
Equipped with two rows of parallel liquid reserve tank ventholes 27, the pipe support 28 of character "door" form structure enters chamber 12 after being drawn by liquid reserve tank 25,
Pipe support 28 is by being arranged in the left standpipe of the right standpipe on right side, the bending structure that left side is arranged in and being arranged in right standpipe and Zuo Liguan
Between horizontal standpipe connect and compose, horizontal standpipe is water inlet pipe 29, is provided on water inlet pipe into water water pump 30, left riser upper setting
There is inlet valve 31, right standpipe top set goes out the outlet pipe 32 connecting with left standpipe, is provided with effluent water pump 33 on outlet pipe 32
With flowing water Valve 34, water inlet pipe 29 and left standpipe intersection branch out two rows of spray waterpipes 35, and spray waterpipe 35 is being tried with setting
The spray head 36 of 17 lower surface of tryoff lid connects, the control cabinet 37 being independently arranged by conducting wire 38 respectively with ceiling fan 19, upper water level
Sensor 20, lower water level sensor 21, Temperature Humidity Sensor 22, temperature sensor 23, connection valve 26, water inlet water pump 30, into
Penstock 31, effluent water pump 33 and flowing water Valve 34 are electrically connected.
The diameter for the piston 10 that the present embodiment is related to is 150mm, stroke 50nm；The material of chamber 12 and liquid reserve tank 25
It is the stainless steel of salt tolerant solution corrosion, it is highly 500mm, the size of liquid reserve tank 25 is that the diameter of chamber 12, which is 500mm,
0.4m×0.4m×0.4m；Pressure sensor 13, top board 15, lower platen 16, upper water level sensor 20, is lauched jack 14
Level sensor 21, Temperature Humidity Sensor 22, temperature sensor 23, connection water pipe 24, connection valve 26, pipe support 28, water inlet water pump
30, the material of inlet valve 31, outlet pipe 32, effluent water pump 33, flowing water Valve 34, spray waterpipe 35, spray head 36 and conducting wire 38
Matter all has corrosion resistance；The length and width of top board 15 and lower platen 16 is 200mm, top board 15 and lower platen 16 it
Between the diameter of concrete sample placed be 100mm, be highly 300mm, bottom 100mm is underwater area, and intermediate 100mm is tide
Area, top layer 100mm are splash zone；The quantity of chamber venthole 18 is 6, has 3 on each test case lid 17, chamber ventilation
Chamber 12 is discharged in the water vapour that hole 18 is used to generate drying process；The quantity of ceiling fan 19 is 4, and the angle between ceiling fan 19 is
90°；Upper water level sensor 20 is located at littoral area and splash zone intersection, and lower water level sensor 21 is located at underwater area and littoral area and hands over
At boundary, upper water level sensor 20 and lower water level sensor 21 change for sensed water level；Temperature Humidity Sensor 22 is located at connection water
The top of pipe 24, temperature and humidity for environment where detecting splash zone concrete test block；Temperature sensor 23 is located at underwater
Area, the temperature for environment where detecting underwater area and littoral area concrete test block；The quantity of liquid reserve tank venthole 27 is 8；Control
The outside of case 37 processed is provided with liquid crystal display, is internally provided with single chip microcomputer circuit board, controls ceiling fan 19, upper water level sensor
20, lower water level sensor 21, Temperature Humidity Sensor 22, temperature sensor 23, connection valve 26, water inlet water pump 30, inlet valve
31, the on-off of effluent water pump 33 and flowing water Valve 34, setting drying and watering cycle time ratio, show dry and wet state, and record dry and wet and follow
Ring number, temperature, humidity and payload values.
The experimental rig for the simulating ocean environment sound combination loading concrete that the present embodiment is related to is in use, in top board
Concrete sample is placed between 15 and lower platen 16, pressure sensor 13 is connected with external computer, is set by external computer
Concrete sample load value controls connecting screw 11, pressure sensor 13 and jack 14 by piston 10 and declines, very heavy
When top 14 reaches top board 15, pressure sensor 13 detects the load that concrete sample is subject to, when payload values reach setting value
When, connecting screw 11, pressure sensor 13 and jack 14 are controlled by piston 10 and stop decline, press unit is in always
Working condition；When bottom and intermediate concrete test specimen are in soaking state and top layer concrete sample is in shower state, control
The control of case 37 connection valve 26, water inlet water pump 30 and inlet valve 31 processed are opened, and make to be connected to water pipe 24, water inlet pipe 29 and shower water
Pipe 35 is connected to liquid reserve tank 25, and preconfigured solution enters in chamber 12 in liquid reserve tank 25, when solution reaches upper level sensor
When device 20, control cabinet 37 controls inlet valve 31 and closes, and the solution in chamber 12 passes through connection after being increased to connection water pipe 24
Water pipe 24 is back to liquid reserve tank 25, after meeting the MEBO ribbon gauze of setting, the control of control cabinet 37 connection valve 26 and water inlet water pump 30
It closes, while controlling effluent water pump 33 and the unlatching of flowing water Valve 34, so that solution is flow back to liquid reserve tank 25, when solution is reduced to lower water level
When sensor 21, control cabinet 37 controls effluent water pump 33 and flowing water Valve 34 is closed, and bottom concrete is made to be in immersion ring always
Border, is equivalent to the underwater area in true environment, and intermediate concrete test specimen is in drying and watering cycle environment, is equivalent in true environment
Littoral area, top layer concrete sample are in drying and watering cycle environment, the splash zone being equivalent in true environment；At concrete sample
When moisture state, control cabinet 37 controls ceiling fan 19 and closes, and after solution flows back to liquid reserve tank 25, control cabinet 37 controls ceiling fan 19 and opens
It opens, concrete sample is dried, water vapour is discharged by chamber venthole 18, carries out the concrete of the setting frequency according to this
Test specimen wetting-drying test.
Claims (5)
1. a kind of experimental rig of simulating ocean environment sound combination loading concrete, it is characterised in that by press unit, examination
Tryoff unit, blowing unit, liquid storage unit, solution cycling element and wave splash unit composition；Test box unit is located at press machine list
In member, blowing unit and wave splash unit and are located in test box unit, and test box unit passes through solution cycling element and liquid storage unit
Connection.
2. the experimental rig of simulating ocean environment sound combination loading concrete according to claim 1, it is characterised in that
The main structure of press unit includes column, upper cross plate, lower cross plate, bolt, cap nut, support frame, backing plate, force transmitting board, work
Plug, screw rod, pressure sensor, jack, top board and lower platen；The main structure of test box unit includes chamber, test
Case lid, chamber venthole, upper water level sensor, lower water level sensor, Temperature Humidity Sensor and temperature sensor；Blowing unit
For ceiling fan；The main structure of liquid storage unit includes connection water pipe, liquid reserve tank, connection valve and liquid reserve tank venthole；Solution circulation
The main structure of unit includes pipe support, water inlet water pump, inlet valve, outlet pipe, effluent water pump and flowing water Valve；Wave splashes unit
Main structure includes spray waterpipe and spray head.
3. the experimental rig of simulating ocean environment sound combination loading concrete according to claim 2, it is characterised in that
Four columns connect into frame by bolt and cap nut with upper cross plate and lower cross plate, between upper cross plate and lower cross plate and cap nut
It is provided with support frame and backing plate, the upper surface of upper cross plate is provided with force transmitting board, and the upper surface of force transmitting board is provided with piston, piston
It is connect with the one end for the screw rod for passing through upper cross plate and force transmitting board, the other end of screw rod is into after being arranged in frame the chamber in portion
It being connect by pressure sensor with jack, top board is provided with below jack, the bottom of chamber is provided with lower platen,
The test case lid of the split semicircular structure of two fans is provided at the top of chamber, chamber is connect with test case lid radial type,
Test case lid offers a column chamber venthole, and the test equidistant formula of chamber interior wall is provided with a circle ceiling fan, tests box inner wall
On be provided with water level sensor and lower water level sensor, test Temperature Humidity Sensor is additionally provided in box inner wall and temperature passes
Sensor, chamber are connect by being connected to water pipe with the liquid reserve tank for the hollow type structure being independently arranged, and are connected to the company of being provided on water pipe
Port valve door, two rows of parallel liquid reserve tank ventholes are offered at the top of liquid reserve tank, and the pipe support of character "door" form structure is drawn by liquid reserve tank
Enter chamber afterwards, pipe support is by being arranged in the left standpipe of the right standpipe on right side, the bending structure that left side is arranged in and being arranged on the right side
Horizontal standpipe between standpipe and left standpipe connects and composes, and horizontal standpipe is water inlet pipe, is provided on water inlet pipe into water water pump, Zuo Liguan
Top is provided with inlet valve, and right standpipe top set goes out the outlet pipe connecting with left standpipe, is provided with effluent water pump on outlet pipe
And flowing water Valve, water inlet pipe and left standpipe intersection branch out two rows of spray waterpipes, spray waterpipe and setting are in the case where testing case lid
The spray head on surface connects, the control cabinet being independently arranged by conducting wire respectively with ceiling fan, upper water level sensor, lower level sensor
Device, Temperature Humidity Sensor, temperature sensor, connection valve, water inlet water pump, inlet valve, effluent water pump and flowing water Valve are electrically connected
It connects.
4. the experimental rig of simulating ocean environment sound combination loading concrete according to claim 2, it is characterised in that
The diameter of piston is 150mm, stroke 50nm；The material of chamber and liquid reserve tank is the stainless steel of salt tolerant solution corrosion, examination
The diameter of tryoff is 500mm, is highly 500mm, and the size of liquid reserve tank is 0.4m × 0.4m × 0.4m；It is pressure sensor, very heavy
Top, top board, lower platen, upper water level sensor, lower water level sensor, Temperature Humidity Sensor, temperature sensor, connection water pipe,
It is connected to valve, pipe support, water inlet water pump, inlet valve, outlet pipe, effluent water pump, flowing water Valve, spray waterpipe, spray head and leads
The material of line all has corrosion resistance；The length and width of top board and lower platen is 200mm, between top board and lower platen
The diameter of the concrete sample of placement is 100mm, is highly 300mm, and bottom 100mm is underwater area, and intermediate 100mm is tide
Area, top layer 100mm are splash zone；The quantity of chamber venthole is 6, and each chamber has covered 3, and chamber venthole is used
Chamber is discharged in the water vapour for generating drying process；The quantity of ceiling fan is 4, and the angle between ceiling fan is 90 °；Upper water level passes
Sensor is located at littoral area and splash zone intersection, and lower water level sensor is located at underwater area and littoral area intersection, upper level sensor
Device and lower water level sensor change for sensed water level；Temperature Humidity Sensor is located at the top of connection water pipe, splashes for detecting wave
The temperature and humidity of environment where area's concrete test block；Temperature sensor is located at underwater area, for detecting underwater area and littoral area
The temperature of environment where concrete test block；The quantity of liquid reserve tank venthole is 8；The outside of control cabinet is provided with liquid crystal display,
It is internally provided with single chip microcomputer circuit board, control ceiling fan, upper water level sensor, lower water level sensor, Temperature Humidity Sensor, temperature pass
Sensor, connection valve, the on-off of intake water pump, inlet valve, effluent water pump and flowing water Valve, setting drying and watering cycle time ratio,
It shows dry and wet state, and records drying moistening cycle, temperature, humidity and payload values.
5. the experimental rig of simulating ocean environment sound combination loading concrete according to claim 2, it is characterised in that
In use, placing concrete sample between top board and lower platen, pressure sensor is connected with external computer, by external
Computer sets concrete sample load value, controls connecting screw, pressure sensor and jack by piston and declines, very heavy
When top reaches top board, pressure sensor detects the load that concrete sample is subject to, and when payload values reach setting value, passes through
Piston controls connecting screw, pressure sensor and jack and stops decline, and press unit is in running order always；Work as bottom
Soaking state is in intermediate concrete test specimen and when top layer concrete sample is in shower state, control cabinet controls communicating valve
Door, water inlet water pump and inlet valve are opened, and are made to be connected to water pipe, water inlet pipe and be connected tos liquid reserve tank with spray waterpipe, preparatory in liquid reserve tank
The solution of configuration enters in chamber, and when solution reaches upper water level sensor, control cabinet controls inlet valve and closes, chamber
In solution be increased to connection water pipe after by connection water pipe be back to liquid reserve tank, after meeting the MEBO ribbon gauze of setting, control cabinet
It controls connection valve and water inlet water pump is closed, while controlling effluent water pump and flowing water Valve unlatching, solution is made to flow back to liquid reserve tank, when
When solution is reduced to lower water level sensor, control cabinet controls effluent water pump and flowing water Valve is closed, and locates bottom concrete always
In impregnating environment, it is equivalent to the underwater area in true environment, intermediate concrete test specimen is in drying and watering cycle environment, is equivalent to true
Littoral area in environment, top layer concrete sample are in drying and watering cycle environment, the splash zone being equivalent in true environment；Work as coagulation
When native test specimen is in moisture state, control cabinet controls ceiling fan and closes, and after solution flows back to liquid reserve tank, control cabinet control ceiling fan is opened
It opens, concrete sample is dried, water vapour is discharged by chamber venthole, carries out the concrete examination of the setting frequency according to this
Part wetting-drying test.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334111A (en) * | 2015-11-17 | 2016-02-17 | 中国石油大学(华东) | Pressure application test device and test method for reinforced concrete sample in salt-spray environment |
| CN106644758A (en) * | 2016-11-29 | 2017-05-10 | 合肥工业大学 | Rock direct shear and point load test device and test operation method thereof |
| CN207540900U (en) * | 2017-12-18 | 2018-06-26 | 北京博睿智科技有限公司 | A kind of band device for measuring force electric-liquid type pressure test machine |
| CN108613918A (en) * | 2018-04-26 | 2018-10-02 | 深圳大学 | A kind of experimental provision for simulating littoral environment erosion and fatigue load coupling |
| CN108871952A (en) * | 2018-06-11 | 2018-11-23 | 三峡大学 | The lateral confinement device and its application method of a kind of simulation country rock inside lining deformation condition |
| CN109813878A (en) * | 2019-03-28 | 2019-05-28 | 青岛理工大学 | Concrete morning and evening tides district and splash zone do wet cycle analogue test device |
| CN210090193U (en) * | 2019-06-14 | 2020-02-18 | 青岛理工大学 | Test device for simulating dynamic and static combined loading concrete of marine environment |
-
2019
- 2019-06-14 CN CN201910513191.4A patent/CN110132741A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334111A (en) * | 2015-11-17 | 2016-02-17 | 中国石油大学(华东) | Pressure application test device and test method for reinforced concrete sample in salt-spray environment |
| CN106644758A (en) * | 2016-11-29 | 2017-05-10 | 合肥工业大学 | Rock direct shear and point load test device and test operation method thereof |
| CN207540900U (en) * | 2017-12-18 | 2018-06-26 | 北京博睿智科技有限公司 | A kind of band device for measuring force electric-liquid type pressure test machine |
| CN108613918A (en) * | 2018-04-26 | 2018-10-02 | 深圳大学 | A kind of experimental provision for simulating littoral environment erosion and fatigue load coupling |
| CN108871952A (en) * | 2018-06-11 | 2018-11-23 | 三峡大学 | The lateral confinement device and its application method of a kind of simulation country rock inside lining deformation condition |
| CN109813878A (en) * | 2019-03-28 | 2019-05-28 | 青岛理工大学 | Concrete morning and evening tides district and splash zone do wet cycle analogue test device |
| CN210090193U (en) * | 2019-06-14 | 2020-02-18 | 青岛理工大学 | Test device for simulating dynamic and static combined loading concrete of marine environment |
Cited By (27)
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|---|---|---|---|---|
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| US11668633B2 (en) | 2020-04-21 | 2023-06-06 | The Boeing Company | Compressive creep flow determination in fluids |
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| CN112504948A (en) * | 2020-10-17 | 2021-03-16 | 浙江水利水电学院 | Concrete durability detection device under load-ion-biological combined action |
| CN112432890A (en) * | 2020-10-17 | 2021-03-02 | 浙江水利水电学院 | Full-range monitoring device for rust cracking behavior of reinforced concrete and installation method thereof |
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