CN109507087A - A kind of reinforced concrete member experimental rig - Google Patents

A kind of reinforced concrete member experimental rig Download PDF

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Publication number
CN109507087A
CN109507087A CN201811374286.4A CN201811374286A CN109507087A CN 109507087 A CN109507087 A CN 109507087A CN 201811374286 A CN201811374286 A CN 201811374286A CN 109507087 A CN109507087 A CN 109507087A
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CN
China
Prior art keywords
cabinet
hydraulic cylinder
case lid
reinforced concrete
concrete member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201811374286.4A
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Chinese (zh)
Inventor
不公告发明人
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Jianhu Lianzhong Intelligent Technology Co Ltd
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Jianhu Lianzhong Intelligent Technology Co Ltd
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Application filed by Jianhu Lianzhong Intelligent Technology Co Ltd filed Critical Jianhu Lianzhong Intelligent Technology Co Ltd
Priority to CN201811374286.4A priority Critical patent/CN109507087A/en
Publication of CN109507087A publication Critical patent/CN109507087A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • 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
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • 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
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means
    • 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
    • G01N2203/023—Pressure
    • 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
    • G01N2203/0236—Other environments
    • G01N2203/024—Corrosive
    • 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
    • G01N2203/025—Geometry of the test
    • G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen

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  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

A kind of reinforced concrete member experimental rig of the present invention includes water tank, water pressure control system, water pipe head, oil pressure control system, hydraulic cylinder；The water tank includes cabinet and case lid；The case lid is equipped with a mounting hole between two parties；The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod passes through mounting hole from case lid top, and hydraulic cylinder sealing is fixed on case lid by the fixation hole covered using cylinder ends；A valve is additionally provided on the case lid；The cabinet, left end transverse direction siding are equipped with water pipe head and are connected to water pressure control system；The cabinet, bottom plate are equipped with window aperture between two parties, and the upper edge of window aperture is equipped with boss, and boss is equipped with rubber sheet gasketing；The cabinet, bottom are equipped with case foot；The movement of the oil pressure control system control piston in hydraulic cylinder and pressure；The piston rod, left end are flexibly connected a block pressur plate；Cooperate the durability test under with the more lotus roots of ballast for carrying out saline and alkaline erosion to reinforced concrete member.

Description

A kind of reinforced concrete member experimental rig
Technical field
The present invention relates to a kind of reinforced concrete member experimental rig, refers in particular to a kind of concrete component and hold lotus erosion test dress It sets, belongs to concrete test apparatus field.
Background technique
In recent years, China has built a large amount of reinforced concrete structure building in coastal area, economical quick for meeting The needs of development, such as tunnel traffic.Tunnel is walked from underground, the massif even bottom of Jiang Hai, is not take up earth's surface soil, is shortened Mileage alleviates traffic pressure, brings great convenience to people's life.It is well known that the lining cutting in tunnel is mixed for reinforcing bar Solidifying soil, bears the strata pressure of rock mass in tunnel by armored concrete, while underground water is on the outside of reinforced concrete lining layer, It is applied with biggish infiltration hydraulic pressure, therefore, tunnel-liner is chronically at " stress field ", under the collective effect of " seepage field "；This Outside, tunnel-liner also suffers the erosion of the corrosive mediums such as the sulfate contained in underground water, chloride ion.
In order to which can the concrete that understand for tunnel-liner meet local tunnel " stress field ", " seepage field " and corrosion The erosion of medium improves tunnel service life to the maximum extent, needs in advance to emulate the concrete component of tunnel-liner Test, by the test to concrete component, determines the design of the concrete of tunnel-liner.
Currently, to the testing equipment of concrete component, mostly individual event mesh experimental rig cannot effectively reflect tunnel-liner reality Border working condition cannot do high l-G simulation test.
Summary of the invention
The present invention provides a kind of reinforced concrete member examination for technical deficiency present in above-mentioned existing experimental rig Experiment device, the device not only can be taking human as control corrosion rate medium composition, concentration and water pressures, while can also be to concrete structure Part carries out compression test, and the load adjustable of compression test, realizes high l-G simulation test.
The present invention is achieved through the following technical solutions:
A kind of reinforced concrete member experimental rig includes water tank, water pressure control system, water pipe head, oil pressure control system, liquid Cylinder pressure；It is characterized by: the water tank, includes cabinet and case lid；The cabinet is cuboid flute profile, and notch is upward, in notch It is equipped with flange, gasket, case lid is arranged in sequence on flange；It is fixedly connected between the flange and case lid；The case lid is placed in the middle Equipped with a mounting hole；The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters cabinet from case lid top, across mounting hole Fixation hole that is interior, being covered using cylinder ends, hydraulic cylinder sealing is fixed on case lid；A valve is additionally provided on the case lid Door；The cabinet, left end transverse direction siding, top place placed in the middle is equipped with a cabinet inlet opening, in the outside of cabinet inlet opening, if There is water pipe head；The water pipe head is connected to water pressure control system；The cabinet, bottom plate are equipped with window aperture, window between two parties The upper edge in hole is equipped with boss, and boss is equipped with rubber sheet gasketing；The cabinet, bottom are equipped with case foot；The oil pressure control The movement of system control piston in hydraulic cylinder processed and pressure；The piston rod, lower end are flexibly connected a block pressur plate；
The end cap of the aforementioned hydraulic cylinder, when axis horizontal is placed, left locating journal and right locating journal set up end cap or so separately Both ends, the axle journal with the cooperation of case lid upper installing hole are left locating journal, are right locating journal with the cooperation of hydraulic cylinder sets of holes, end Shape is step-like in the middle part of lid, and left side is circle, and right side is square, and side length is less than or equal to the circular inscribed pros in left side Shape side length so that it is rectangular that the left thrust surface of end cap, which is round and right thrust surface, and is correspondingly provided with B sealing on left and right thrust surface Slot and C seal groove；The end cap is axially arranged with piston rod pilot hole；In the pilot hole axially from left to right, E is arranged in sequence Seal groove, remittance liquid bath, F seal groove；In square surrounding plane in the middle part of the end cap, each in-plane be equipped with one with The porus excretorius that the liquid bath that converges is connected to.
The aforementioned water tank, material are metal material.
The aforementioned metal material is No. 20 carbon constructional quality steels.
The aforementioned water tank, surface are equipped with protective layer.
The aforementioned protective layer is epoxy resin.
The aforementioned water pipe head, the one end connecting with cabinet are flange, and the other end is the external round tube for being equipped with locking teeth.
The aforementioned water pressure control system is height-adjustable flexible water conduit
The aforementioned flexible water conduit is fire hose.
The aforementioned piston rod, lower end are equipped with a hinge hole.
To be flexibly connected between the aforementioned piston rod and pressing plate, movable connection method is hinge connection.
The advantages of the present invention:
It is an advantage of the invention that the arrangement achieves concrete components to hold lotus and infiltration while the target carried out, meet " seepage flow- Stress field " coupling test needs.The device not only can pass through hydraulic pressure control taking human as control corrosion rate medium composition, concentration System can control to concrete component water pressure；Applied voltage test is carried out to concrete component using hydraulic cylinder simultaneously, there is liquid The oil hydraulic system of cylinder pressure adjusts the pressure size of hydraulic cylinder, the setting of window aperture, is for simulating bridges and culverts hole " seepage flow-is answered Test under the coupling of the field of force ", to realize the high l-G simulation test to concrete component.
In addition, the end cap of hydraulic cylinder passes through setting two-way sealing ring, and adds remittance liquid bath, porus excretorius, an end is realized Lid two way seal.Piston rod automatically adjusts length, is adapted to different size of concrete component；Therefore, the device is not only real Now concrete component is multifactor tests simultaneously, but also can adapt to different sizes by the piston rod regulatory function of hydraulic cylinder Concrete component test requirements document.
The advantages and features of the present invention will be illustrated and explained by the non-limitative illustration of preferred embodiment below, These embodiments only provide as an example referring to attached drawing.
Detailed description of the invention
Fig. 1 is device longitudinal sectional view；
Fig. 2 is the top view that Fig. 1 removes case lid；
Fig. 3 is 25 axial sectional view of end cap；
Fig. 4 is the sectional view along A-A of Fig. 3.
Wherein: 1, case lid, 1a, mounting hole, 2, gasket, 3, valve, 6, A screw, 7, A sealing ring, 8, water pipe head, 9, B screw, 10, cabinet, 10a, cabinet inlet opening, 10b, window aperture, 11, case foot, 15, rubber sheet gasketing, 20, cushion, 21, Pressing plate, 22, pin shaft, 23, piston rod, 24, B sealing ring, 25, end cap, 26, E sealing ring, 27, C sealing ring, 28, F sealing ring, 29, hydraulic cylinder.
2501, left thrust surface, 2502, left locating journal, 2503, E seal groove, 2504, piston rod pilot hole, 2505, B Seal groove, 2506, fixation hole, 2507, porus excretorius, 2508, C seal groove, 2509, remittance liquid bath, 2510, F seal groove, 2511, the right side Locating journal, 2512, right thrust surface, 2513, mounting surface, 2514, hydraulic cylinder fixation hole.
Specific embodiment
To keep the purpose of the present invention and technical solution clearer, below in conjunction with attached drawing, to technical solution of the present invention It is further described.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.
When the meaning of heretofore described " left, right, front and rear " refers to reader's face attached drawing, the left side of reader As left, the right of reader is the right side, apart from reader it is close be before, apart from reader it is remote be after, rather than to this The specific restriction of invention.
The meaning of heretofore described " connection " can be between component be directly connected to be also possible to pass through between component Other components are indirectly connected with.
As shown in Figure 1, Figure 2, shown, a kind of reinforced concrete member experimental rig, main body is a metal structural carbon steel The water tank that plate is welded, the water tank contain cabinet 10 and case lid 1；Cabinet 10 be cuboid flute profile, notch is upward, notch to It is externally provided with flange, in the upper surface of flange, gasket 2, case lid 1 is arranged in sequence, the material of gasket 2 is rubber；Case lid 1 and cabinet It is fixedly connected between 10 flange by A screw 6；The middle part of the case lid 1 is equipped with a mounting hole 1a；The hydraulic cylinder 29 For single-piston-rod hydraulic cylinder, piston rod 23 enters in cabinet 10 from 1 top of case lid across mounting hole 1a, using on hydraulic cylinder 29 The fixation hole 2506 of end cap 25, by hydraulic cylinder 29 by B sealing ring 24, i.e. O-ring seals, sealing is fixed on the top of case lid 1, Hydraulic cylinder 29 is controlled by oil pressure control system, guarantees to carry out concrete component required load when applied voltage test, and test load It is adjustable as needed；The lower end of piston rod 23 is hingedly connected at together using pin shaft 22 with pressing plate 21, the lower plane of pressing plate 21 Equipped with cushion 20, it is therefore an objective to the pressing force on crush board 21, can stepless action on concrete component；On the case lid 1 also Equipped with a valve 3, when for pouring water to cabinet 10, its inner air is emptied；
The left end transverse direction siding of cabinet 10, top place placed in the middle are equipped with a cabinet inlet opening 10a, and in cabinet inlet opening, 10a's is outer Portion is equipped with water pipe head 8, and water pipe head 8 and inlet opening 10a is made to keep concentric, and one end of water pipe head 8 is flange, passes through A Sealing ring 7 is fixedly connected with cabinet 10, and the other end of water pipe head 8 is the external round tube for being equipped with locking teeth, connects fire hose, The pressure resistance of fire hose is 2.5 megapascal, and length is 25 meters, when test, by the way that the height of fire extinguisher canvas hose, regulating box is raised and lowered Hydraulic pressure in body 10；The cabinet, bottom plate are equipped with window aperture 10b between two parties, and the upper edge of window aperture 10b is equipped with boss, boss It is equipped with rubber sheet gasketing 15, is placed on boss for sealing concrete component to be tested；The corresponding pressure of window aperture 10b Plate 21, the main function of window aperture 10b are simulation culverts.
As shown in Figure 3, Figure 4, the end cap 25 of hydraulic cylinder 29, left locating journal 2502 and right locating journal 2511 set up end cap separately 25 left and right ends, middle part shape be it is step-like, left side be circle, right side be the circular inscribed square in left side, that is to say, that The left thrust surface 2501 of end cap 25 is circle, and right thrust surface 2515 is rectangular, and it is close to be correspondingly provided on left and right thrust surface annular B Sealing groove 2505 and C seal groove 2508；The internal diameter of B seal groove 2505 and C seal groove 2508 respectively with left locating journal 2502 and the right side The outer diameter of locating journal 2511 is identical, to facilitate the installation of B sealing ring 24 and C sealing ring 27, B sealing ring 24 and C sealing ring 27 It is O-ring；Hydraulic cylinder fixation hole 2514 is symmetricly set on the quadrangle of right thrust surface 2512, is used to end cap 25 and hydraulic cylinder Cylinder is fixedly connected；It fixation hole 2506 totally four, is symmetricly set on the symmetry axis of mounting surface 2513.
End cap 25 is axially arranged with piston rod pilot hole 2504；The axial direction of the piston rod pilot hole 2504, from left to right, E seal groove 2503, remittance liquid bath 2509, F seal groove 2510 is arranged in sequence, is respectively equipped in E seal groove 2503 and F seal groove 2510 E sealing ring 26 and F sealing ring 28, E sealing ring 26 and F sealing ring 28 are hole YXShape sealing ring, the opening direction of E sealing ring 26 To the left, for the hydraulic pressure in seal case 10；The opening direction of F sealing ring 28 to the right, for the oil pressure in sealed cylinder 29；Institute In the rectangular surrounding plane of right thrust surface 2515 for stating 25 middle part of end cap, every face is equipped with the excretion being connected to remittance liquid bath 2509 Hole 2507, porus excretorius 2507 are kidney slot.
It converges the setting of liquid bath 2509, is for storing the water leaked out from cabinet 10 through E sealing ring 26, and from hydraulic The oil that cylinder 29 is leaked out through F sealing ring 28；After avoiding the remittance storage of liquid bath 2509 full, water and hydraulic cylinder 29 in cabinet 10 Interior oil is ganged up mutually, end cap 25 provided with porus excretorius 2507, the present apparatus in four square sides all around of end cap 25, It is equipped with a porus excretorius 2507, for draining the water or oil that cabinet 10 or hydraulic cylinder 29 leak out.

Claims (10)

  1. It include water tank 1. a kind of reinforced concrete member experimental rig, water pressure control system, water pipe head, oil pressure control system, Hydraulic cylinder；It is characterized by: the water tank, includes cabinet and case lid；The cabinet is cuboid flute profile, and notch is upward, in slot Mouth is equipped with flange, and gasket, case lid is arranged in sequence on flange；It is fixedly connected between the flange and case lid；The case lid occupies In be equipped with a mounting hole；The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters case from case lid top, across mounting hole In vivo, the fixation hole covered using cylinder ends, hydraulic cylinder sealing is fixed on case lid；A valve is additionally provided on the case lid Door；The cabinet, left end transverse direction siding, top place placed in the middle is equipped with a cabinet inlet opening, in the outside of cabinet inlet opening, if There is water pipe head；The water pipe head is connected to water pressure control system；The cabinet, bottom plate are equipped with window aperture, window between two parties The upper edge in hole is equipped with boss, and boss is equipped with rubber sheet gasketing；The cabinet, bottom are equipped with case foot；The oil pressure control The movement of system control piston in hydraulic cylinder processed and pressure；The piston rod, lower end are flexibly connected a block pressur plate；
    The end cap of the aforementioned hydraulic cylinder, when axis horizontal is placed, left locating journal and right locating journal set up end cap or so separately Both ends, the axle journal with the cooperation of case lid upper installing hole are left locating journal, are right locating journal with the cooperation of hydraulic cylinder sets of holes, end Shape is step-like in the middle part of lid, and left side is circle, and right side is square, and side length is less than or equal to the circular inscribed pros in left side Shape side length so that it is rectangular that the left thrust surface of end cap, which is round and right thrust surface, and is correspondingly provided with B sealing on left and right thrust surface Slot and C seal groove；The end cap is axially arranged with piston rod pilot hole；In the pilot hole axially from left to right, E is arranged in sequence Seal groove, remittance liquid bath, F seal groove；In square surrounding plane in the middle part of the end cap, each in-plane be equipped with one with The porus excretorius that the liquid bath that converges is connected to.
  2. 2. a kind of reinforced concrete member experimental rig according to claim 1, it is characterised in that: the water tank, material Matter is metal material.
  3. 3. a kind of reinforced concrete member experimental rig according to claim 2, it is characterised in that: the metal material, For No. 20 carbon constructional quality steels.
  4. 4. a kind of reinforced concrete member experimental rig according to claim 1, it is characterised in that: the water tank, table Face is equipped with protective layer.
  5. 5. a kind of reinforced concrete member experimental rig according to claim 4, it is characterised in that: the protective layer is Epoxy resin.
  6. 6. a kind of reinforced concrete member experimental rig according to claim 1, it is characterised in that: the water pipe head, The one end connecting with cabinet is flange, and the other end is the external round tube for being equipped with locking teeth.
  7. 7. a kind of reinforced concrete member experimental rig according to claim 1, it is characterised in that: the hydraulic pressure control system System is height-adjustable flexible water conduit.
  8. 8. a kind of reinforced concrete member experimental rig according to claim 7, it is characterised in that: the flexible water conduit, For fire hose.
  9. 9. a kind of reinforced concrete member experimental rig according to claim 1, it is characterised in that: the piston rod, Lower end is equipped with a hinge hole.
  10. 10. a kind of reinforced concrete member experimental rig according to claim 1, it is characterised in that: the piston rod with To be flexibly connected between pressing plate, movable connection method is hinge connection.
CN201811374286.4A 2018-11-19 2018-11-19 A kind of reinforced concrete member experimental rig Withdrawn CN109507087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811374286.4A CN109507087A (en) 2018-11-19 2018-11-19 A kind of reinforced concrete member experimental rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811374286.4A CN109507087A (en) 2018-11-19 2018-11-19 A kind of reinforced concrete member experimental rig

Publications (1)

Publication Number Publication Date
CN109507087A true CN109507087A (en) 2019-03-22

Family

ID=65749017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811374286.4A Withdrawn CN109507087A (en) 2018-11-19 2018-11-19 A kind of reinforced concrete member experimental rig

Country Status (1)

Country Link
CN (1) CN109507087A (en)

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Application publication date: 20190322

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