CN106872242B - A kind of use for laboratory rock or concrete cylindrical sample producing device and method - Google Patents

A kind of use for laboratory rock or concrete cylindrical sample producing device and method Download PDF

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Publication number
CN106872242B
CN106872242B CN201710292246.4A CN201710292246A CN106872242B CN 106872242 B CN106872242 B CN 106872242B CN 201710292246 A CN201710292246 A CN 201710292246A CN 106872242 B CN106872242 B CN 106872242B
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China
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sample
guide rail
vertical
rock
rubber mat
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CN106872242A (en
Inventor
胡振华
王颖
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising

Abstract

The invention discloses a kind of use for laboratory rock or concrete cylindrical sample producing device and methods, including rack, the rack includes horizontal guide rail, vertical upright column, slide bar, vertical upright column and sliding bar cooperate the installation space size of adjustable sample, and then can according to need the sample of production arbitrary height;Sample is installed by bearing plate, rubber slab in one end of slide bar, and sample is driven by coaxial motor, and polishing is by passively becoming actively.It is additionally provided with the sanding component that can be horizontally slipped simultaneously, according to the difference of the distance at sanding component test coupon center, the cylindrical sample of different-diameter can be produced.The configuration of the present invention is simple, can disposably complete the production of cylindrical sample, time saving, saving of labor, laborsaving.

Description

A kind of use for laboratory rock or concrete cylindrical sample producing device and method
Technical field
The present invention relates to geotechnical engineering instruments fields, belong to a kind of tools of sample, in particular to a kind of cylinder Shape sample producing device, a kind of method for further relating to cylindrical sample production.
Background technique
Existing laboratory rock or concrete sampler can only take fixed diameter, the sample of limited length.If taken The specimen length diameter that exceeds the maximum or sample cannot achieve sampling not when being not the bore of existing cutter.
Further more, existing laboratory rock or concrete sampler, during sampling, with the increasing of drilling depth Add, drilling rod is easy to appear left and right little play, and the side that this can directly result in the cylindrical sample of taking-up is rough, can also sometimes There is very big inconsistent phenomenon, sampling is caused to fail, can not carry out working for subsequent sample, it is time-consuming laborious.
In addition, if having crack or joint plane in rock, cutter is cut in high speed rotation during drill hole sampling When, test specimen is easy to disconnect in joint plane, this also results in sampling failure.
If the height of required cylindrical sample be less than drill hole sampling machine depth, be sometimes difficult to hold drilling tool into It is deep, it when sampling too long, needs to grind off the redundance at both ends with stone mill, wastes material, manpower, time.
Summary of the invention
To solve the above-mentioned problems, this invention mainly proposes a kind of use for laboratory rock or concrete cylindrical sample Producing device, it is time saving, it is laborsaving;The sample of random length and arbitrary diameter can also be made, while also proposed a kind of laboratory With the production method of rock or concrete sample.
The present invention is achieved through the following technical solutions:
A kind of use for laboratory rock or concrete cylindrical sample producing device, including rack, it is characterised in that: the machine Frame includes horizontal guide rail, vertical upright column, slide bar, and vertical upright column is hollow structure, and the slide bar includes the first vertical section and second Cantilever segment, first vertical section are slidably disposed in the hollow structure of vertical upright column, first vertical section with it is described It is provided with fixing piece between vertical upright column, is disposed with fine tuning fastening bolt, upper axis on second cantilever segment from top to bottom It holds, upper bearing plate and upper rubber mat plate;In the horizontal guide rail face position of bearing plate and upper rubber mat plate from top to bottom according to It is secondary to be provided with lower rubber mat plate, lower bearing plate, lower bearing and coaxial motor;It is installed between upper rubber mat plate and lower rubber mat plate There is sample, the sample is rotated by coaxial motor;The polishing that can be horizontally slipped is additionally provided on the horizontal guide rail Component.
The sanding component of the invention includes horizontal slider and upright guide rail, the water as a preferred technical solution, Smooth block is slidably matched with horizontal guide rail, and sliding is provided with vertical sliding block, the outside of the vertical sliding block on the upright guide rail It is fixed with grinding stone, the vertical sliding block is equipped with driving device, and under the driving of the driving device, vertical sliding block can be perpendicular It does on straight guide and up and down reciprocatingly slides.
There is hollow structure inside the upright guide rail as a preferred technical solution, the upright guide rail installation is vertical sliding The one side of block spaced set under upper has multiple solarization water holes, and the solarization water hole is connected to the hollow structure;It is described hollow The upper end of structure is connected with water inlet pipe.
The upper surface of the horizontal guide rail is printed with steel scale, zero quarter of the steel scale as a preferred technical solution, Degree line is located at sample center line corresponding position.
Spiral expanding device, institute are additionally provided between the vertical sliding block and upright guide rail as a preferred technical solution, Stating spiral expanding device can compensate for the wear-thickness and fine tuning the distance between grinding stone and sample of grinding stone.
As a preferred technical solution, the upper bearing plate, upper rubber mat plate center pass through the first spring connect Have a upper steel thimble, the lower bearing plate, lower rubber mat plate center lower steel thimble is connected with by second spring, it is described on Steel thimble and lower steel thimble top are located at the central point of sample.
The sample utilizes cutting machine by cross-sectional cut at square, peace before polishing as a preferred technical solution, Fill the quick centre of location point of diagonal line for utilizing pencil to connect section up and down before sample.
The fixing piece is the first jackscrew bolt as a preferred technical solution, is provided with first on the vertical upright column Fixed first vertical section is withstood in threaded hole, the first jackscrew bolt and the cooperation of the first threaded hole.
The second threaded hole is provided on the horizontal slider as a preferred technical solution, the horizontal slider is by wearing Second jackscrew bolt of second threaded hole is fixed on the horizontal guide rail.
The present invention also provides the production methods of a kind of use for laboratory rock or concrete sample, comprising:
The original sample of rock or concrete is cut into six faces that cross section is square using rock cutter by step (1) Body, square side length are greater than or equal to the diameter of required cylindrical sample, and hexahedron length is equal to the height of required cylindrical sample Degree.
Step (2) slides up and down adjusting slide bar, guarantees that the distance between rubber mat plate is slightly larger than hexahedral length up and down Degree, at this point, tightening the first jackscrew bolt fixed slip bar.
Step (3) respectively draws two diagonal lines using pencil in sample upper and lower end face, installs sample formula for pair of upper surface Linea angulata intersection point is aligned with the upper steel thimble, and the diagonal line intersection point of lower end surface is aligned with the lower steel thimble, after setting sample, is twisted The fine tuning fastening bolt on tight top, sample is fixed.
Step (4) loosens the second jackscrew bolt on horizontal guide rail, adjusts horizontal guide rail at a distance from sample edge, makes It obtains grinding face and sample center line distance is slightly larger than the half of sample section catercorner length, tighten the second jackscrew bolt.
Step (5) starts water supply pump, and cooling water is entered in the hollow structure of upright guide rail by water inlet pipe, and by the spray Water hole front sprays to the buffed surface of sample.
Step (6) opens the driving device of coaxial motor and vertical sliding block, drives sample high speed rotation;Grinding stone is made simultaneously It pumps.
Step (7) finely tunes the spiral expanding device, until sample is polishing to required diameter.
Step (8) unclamps fine tuning fastening bolt and the first jackscrew bolt, carefully removes sample, clears up sample table.
The attainable beneficial effect of institute has the present invention by adopting the above technical scheme:
Column of the present invention and slide bar slide up and down the installation space for the adjusting sample that cooperation can be convenient, and then can basis Need to make the sample of arbitrary height;Meanwhile the sanding component that cooperation can horizontally slip, according in sanding component test coupon The difference of the distance of the heart can produce the cylindrical sample of different-diameter, be greatly expanded and make cylinder in the prior art The limitation of shape specimen size, in addition, being convenient for accurate Control Assay diameter by being carved with steel graduation mark on the horizontal guide rail.
(2) present invention becomes passive sampling or polishes as the polishing of sample itself active rotation, avoids in rock or concrete There are problems that crack and leads to sample fracture;Meanwhile the disposable completion of sample production, dimensional standard specification, time saving, saving of labor, It is laborsaving, improve the producing efficiency of sample.
(3) present invention can carry out up and down to pressure, rubber pad sample by setting bearing plate and rubber mat plate, bearing plate On the one hand plate increases the forced area between bearing plate and sample, buffering bearing plate avoids part from damaging by pressure the pressure of sample, On the other hand the frictional force between bearing plate and sample is increased, the stability of sample installation is further improved.In addition, cooperation Thimble with spring is installed convenient for sample, improves the installation centering efficiency of sample.
(4) upright guide rail of hollow structure of the present invention configuration with hole for water spraying, structure is simple, multi-purpose at one stroke, avoids In addition sparge pipe is set, meanwhile, hole for water spraying improves the service efficiency of cooling water and cold in the uniform water spray in the polishing front of sample But effect.
(5) the automatic telescopic arm that is arranged between vertical sliding block and grinding stone of the present invention, can with grinding stone abrasion from The wear-thickness of dynamic compensation grinding stone, grinding stone can be maximally utilized, extend the grinding stone replacement cycle, while finely tune grinding stone and examination The distance between sample further ensures the precision of finished product specimen finish.
Detailed description of the invention
Fig. 1 is front view of the invention
Fig. 2 is rubber mat plate front view of the invention
Fig. 3 is the cross-sectional view of hexahedron sample of the invention
Appended drawing reference in figure are as follows: 1, sample 131, the first spring 132, second spring 141, upper steel thimble 142, under Steel thimble 151, the first jackscrew bolt 152, the second jackscrew bolt 171, upper bearing (metal) 172, lower bearing 2, vertical upright column 21, Upper rubber mat plate 22, lower rubber mat plate 3, spiral expanding device 31, upper bearing plate 32, lower bearing plate 4, fine tuning fastening spiral shell Bolt 5, slide bar 6, horizontal guide rail 7, horizontal slider 8, vertical sliding block 9, hole for water spraying 10, upright guide rail 11, hollow structure 12, water inlet pipe 16, grinding stone 20, coaxial motor.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention:
Embodiment 1:
As shown in Figure 1, including rack, it is characterised in that: the rack includes horizontal guide rail 6, vertical upright column 2, slide bar 5, Vertical upright column 2 is hollow structure, and the slide bar 5 includes the first vertical section and the second cantilever segment, and first vertical section is slidably Ground is arranged in the hollow structure of vertical upright column, is provided with fixing piece between first vertical section and the vertical upright column;Institute Stating fixing piece is the first jackscrew bolt 151, is provided with the first threaded hole, the first jackscrew bolt and first on the vertical upright column 2 Fixed first vertical section is withstood in threaded hole cooperation.
The installation space for the adjusting sample that cooperation can be convenient is slided up and down by column and slide bar, and then can be according to need The sample for making arbitrary height is consolidated the slide bar after the completion of secured adjusted by fixing piece.
In order to install sample to be polished, be disposed with from top to bottom on second cantilever segment fine tuning fastening bolt 4, on Bearing 171, upper bearing plate 31 and upper rubber mat plate 21;Bearing plate 31 and upper rubber mat plate 21 in 6 face of horizontal guide rail Position is disposed with lower rubber mat plate 22, lower bearing plate 32, lower bearing 172 and coaxial motor 20 from top to bottom;In upper rubber Sample 1 is installed between backing plate 21 and lower rubber mat plate 22.Wherein, bearing plate can carry out up and down to pressure, rubber pad sample On the one hand plate increases the forced area between bearing plate and sample, buffering bearing plate avoids part from damaging by pressure the pressure of sample, On the other hand the frictional force between bearing plate and sample is increased, the stability of sample installation is further improved.
Under the drive of coaxial motor, high-speed rotation is may be implemented in the sample 1;It is additionally provided on the horizontal guide rail 6 The sanding component that can be horizontally slipped.According to the difference of the distance at sanding component test coupon center, can produce different straight The cylindrical sample of diameter is greatly expanded the limitation for making cylindrical sample size in the prior art.
The sanding component includes horizontal slider 7 and upright guide rail 10, and the horizontal slider 7 is matched with the sliding of horizontal guide rail 6 It closes, sliding is provided with vertical sliding block 8 on the upright guide rail 10, and the outside of the vertical sliding block 8 has been removably secured grinding stone 16, the vertical sliding block 8 is equipped with driving device (not shown), and under the driving of the driving device, vertical sliding block 8 can be Do on upright guide rail 10 and up and down reciprocatingly slide so that grinding stone can to sample full-height direction polishing.Here driving dress Set to be the self-driven mechanism inside sliding block, or the those skilled in the art such as synchronous belt driving or driving screw rod are known Existing way.The second threaded hole is provided on the horizontal slider 7, the horizontal slider 7 is by being arranged in second screw thread The second jackscrew bolt 152 in hole is fixed on the horizontal guide rail 6.
Have hollow structure 11 inside the upright guide rail 10, the upright guide rail 10 install the one side of vertical sliding block from it is upper it It is equidistantly provided with multiple hole for water sprayings 9 down, the hole for water spraying 9 is connected to the hollow structure 11;The hollow structure 11 it is upper End is connected with water inlet pipe 12, and such upright guide rail had not only realized the guiding role to vertical sliding block, but also acted as cooling water pipe Effect, it is multi-purpose at one stroke.Multiple hole for water sprayings are uniformly sprayed water in the polishing front of sample, improve the service efficiency and cooling of cooling water Effect.
The upper surface of the horizontal guide rail 6 is printed with steel scale, and the zero graduation line of the steel scale is located at 1 center line of sample Corresponding position.By being carved with steel graduation mark on the horizontal guide rail, the polishing diameter of sample is read at any time convenient for experimenter, with Accurate control is polishing to required diameter.
Spiral expanding device 3, the spiral expanding device 3 are additionally provided between the vertical sliding block 8 and upright guide rail 10 It can compensate for the wear-thickness and fine tuning the distance between grinding stone 16 and sample 1 of grinding stone 16.Spiral expanding device 3 can be flexible Screw rod, by its spiral expanding can be finely tuned under the premise of not mobile and horizontal sliding block 7 grinding stone between sample at a distance from, into one Step ensure that the precision of finished product specimen finish, meanwhile, it can compensate for the wear-thickness of grinding stone, grinding stone can be maximized into benefit With extending the grinding stone replacement cycle.
As shown in Fig. 2, being connected in the center of the upper bearing plate 31, upper rubber mat plate 21 by the first spring 131 Have a upper steel thimble 141, the lower bearing plate 32, lower rubber mat plate 22 center lower steel is connected with by second spring 132 Thimble 142, the upper steel thimble 141 and lower steel thimble 142 top are located at the central point of sample 1.It installs, improves convenient for sample in this way The installation centering efficiency of sample.
As shown in figure 3, the sample 1 utilizes cutting machine by cross-sectional cut at square before polishing, before installing sample The quick centre of location point of diagonal line of section up and down is connected using pencil.
Embodiment 2:
The production method of a kind of use for laboratory rock or concrete cylindrical sample is made, tool of the device of embodiment 1 Body step includes:
The original sample of rock or concrete is cut into six faces that cross section is square using rock cutter by step (1) Body, square side length are greater than or equal to the diameter of required cylindrical sample 1, and hexahedron length is equal to required cylindrical sample 1 Highly.
Step (2) slides up and down and adjusts slide bar 5, guarantees that the distance between rubber mat plate is slightly larger than hexahedral length up and down Degree, at this point, tightening 151 fixed slip bar 5 of the first jackscrew bolt.
Step (3) respectively draws two diagonal lines using pencil in 1 upper and lower end face of sample, installs sample formula for upper surface Diagonal line intersection point is aligned with the upper steel thimble 141, and the diagonal line intersection point of lower end surface is aligned with the lower steel thimble 142, is set After sample, the fine tuning fastening bolt 4 on top is tightened, sample 1 is fixed.
Step (4), loosen horizontal guide rail 6 on the second jackscrew bolt 152, adjustment horizontal guide rail 6 and 1 edge of sample away from From so that 16 surface of grinding stone and 1 center line of sample distance tighten the second jackscrew slightly larger than the half of sample section catercorner length Bolt 152.
Step (5) starts water supply pump, and cooling water is entered in the hollow structure 11 of upright guide rail 10 by water inlet pipe, and by institute State the buffed surface that 9 front of hole for water spraying sprays to sample 1.
Step (6) opens the driving device of coaxial motor 20 and vertical sliding block 8, drives 1 high speed rotation of sample;It grinds simultaneously Stone 16 pumps.
Step (7) finely tunes the spiral expanding device 3, until sample 1 is polishing to required diameter.
Step (8) unclamps fine tuning fastening bolt 4 and the first jackscrew bolt 151, carefully removes sample 1, clears up sample table.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the scope of protection of the present invention.Therefore, guarantor of the invention Shield range should be determined by the scope of protection defined in the claims.

Claims (9)

1. a kind of use for laboratory rock or concrete cylindrical sample producing device, including rack, it is characterised in that: the rack Including horizontal guide rail (6), vertical upright column (2), slide bar (5), vertical upright column (2) is hollow structure, and the slide bar (5) includes first Vertical section and the second cantilever segment, first vertical section are slidably disposed in the hollow structure of vertical upright column, and described first It is provided with fixing piece between vertical section and the vertical upright column, it is tight to be disposed with fine tuning on second cantilever segment from top to bottom Fixing bolt (4), upper bearing (metal) (171), upper bearing plate (31) and upper rubber mat plate (21);Pressure-bearing in horizontal guide rail (6) face The position of plate (31) and upper rubber mat plate (21) be disposed with from top to bottom lower rubber mat plate (22), lower bearing plate (32), under Bearing (172) and coaxial motor (20);Sample (1), institute are installed between upper rubber mat plate (21) and lower rubber mat plate (22) State sample (1) being rotated by coaxial motor (20);Beating of can horizontally slipping is additionally provided on the horizontal guide rail (6) Grind component;
The sanding component includes horizontal slider (7) and upright guide rail (10), and the horizontal slider (7) and horizontal guide rail (6) are sliding It is dynamic to cooperate, it slides and is provided with vertical sliding block (8) on the upright guide rail (10), the outside of the vertical sliding block (8) is removably It being fixed with grinding stone (16), the vertical sliding block (8) is equipped with driving device, under the driving of the driving device, vertical sliding block (8) it can do on upright guide rail (10) and up and down reciprocatingly slide.
2. use for laboratory rock according to claim 1 or concrete cylindrical sample producing device, it is characterised in that: institute Stating has hollow structure (11) inside upright guide rail (10), and the upright guide rail (10) installs the one side of vertical sliding block from top to bottom Spaced set has multiple hole for water sprayings (9), and the hole for water spraying (9) is connected to the hollow structure (11);The hollow structure (11) upper end is connected with water inlet pipe (12).
3. use for laboratory rock according to claim 2 or concrete cylindrical sample producing device, it is characterised in that: institute The upper surface for stating horizontal guide rail (6) is printed with steel scale, and the zero graduation line of the steel scale is located at sample (1) center line and corresponds to position It sets.
4. use for laboratory rock according to claim 3 or concrete cylindrical sample producing device, it is characterised in that: institute It states and is additionally provided between vertical sliding block (8) and upright guide rail (10) spiral expanding device (3), spiral expanding device (3) energy Enough compensate wear-thickness and fine tuning the distance between grinding stone (16) and sample (1) of grinding stone (16).
5. use for laboratory rock according to claim 4 or concrete cylindrical sample producing device, it is characterised in that: institute The center for stating bearing plate (31), upper rubber mat plate (21) is connected with steel thimble (141) by the first spring (131), The lower bearing plate (32), lower rubber mat plate (22) center be connected with lower steel thimble by second spring (132) (142), upper steel thimble (141) He Xiagang thimble (142) top is located at the central point of sample (1).
6. use for laboratory rock according to claim 5 or concrete cylindrical sample producing device, it is characterised in that: institute State sample (1) utilizes cutting machine that cross-sectional cut at square, is broken before installing sample using pencil connection up and down before polishing The quick centre of location point of the diagonal line in face.
7. use for laboratory rock according to claim 6 or concrete cylindrical sample producing device, it is characterised in that: institute Stating fixing piece is the first jackscrew bolt (151), is provided with the first threaded hole, the first jackscrew bolt on the vertical upright column (2) (151) fixed first vertical section is withstood with the cooperation of the first threaded hole.
8. use for laboratory rock according to claim 7 or concrete cylindrical sample producing device, it is characterised in that: institute It states and is provided with the second threaded hole on horizontal slider (7), the horizontal slider (7) is pushed up by being arranged in the second of second threaded hole Silk bolt (152) is fixed on the horizontal guide rail (6).
9. the production method of a kind of use for laboratory rock or concrete cylindrical sample, it is characterised in that: using such as claim 8 The use for laboratory rock or concrete cylindrical sample producing device, comprising:
The original sample of rock or concrete is cut into the hexahedron that cross section is square using rock cutter, just by step (1) The long diameter for being greater than or equal to required cylindrical sample (1) of Quad Sides, hexahedron length are equal to the height of required cylindrical sample (1) Degree;
Step (2) slides up and down and adjusts slide bar (5), guarantees that the distance between rubber mat plate is slightly larger than hexahedral length up and down, At this point, tightening first jackscrew bolt (151) fixed slip bar (5);
Step (3) respectively draws two diagonal lines using pencil in sample (1) upper and lower end face, by pair of upper surface when installing sample Linea angulata intersection point is aligned with the upper steel thimble (141), and the diagonal line intersection point of lower end surface is aligned with the lower steel thimble (142), pendulum After good sample, the fine tuning fastening bolt (4) on top is tightened, sample (1) is fixed;
Step (4) loosens the second jackscrew bolt (152) on horizontal guide rail (6), adjustment horizontal guide rail (6) and sample (1) edge Distance so that grinding stone (16) surface and sample (1) center line distance be slightly larger than sample section catercorner length half, tighten Second jackscrew bolt (152);
Step (5) starts water supply pump, and cooling water is entered by water inlet pipe in the hollow structure (11) of upright guide rail (10), and by spraying Water hole (9) front sprays to the buffed surface of sample (1);
Step (6) opens the driving device of coaxial motor (20) and vertical sliding block (8), drives sample (1) high speed rotation;Simultaneously Grinding stone (16) pumps;
Step (7), screw telescopic device (3), until sample (1) is polishing to required diameter;
Step (8) is unclamped fine tuning fastening bolt (4) and the first jackscrew bolt (151), is carefully removed sample (1), and sample is cleared up Platform.
CN201710292246.4A 2017-04-28 2017-04-28 A kind of use for laboratory rock or concrete cylindrical sample producing device and method Active CN106872242B (en)

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CN110208052B (en) * 2018-08-07 2021-04-02 东北大学 Transverse isotropic true triaxial rock sample manufacturing method
CN110057638A (en) * 2019-04-17 2019-07-26 河海大学 A kind of cylindrical sample preparation facilities
CN110057637A (en) * 2019-04-17 2019-07-26 河海大学 A kind of cylinder rock sample polishing preparation facilities
CN110116374A (en) * 2019-05-21 2019-08-13 河海大学 A kind of fixed corollary apparatus of multi-scale rock sample terrazzo machine
CN112082842A (en) * 2020-08-04 2020-12-15 河海大学 Processing device for manufacturing dumbbell-shaped rock sample in laboratory

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