CN203551356U - Hollow cylinder cement-stabilized soil sample preparation and maintenance equipment - Google Patents
Hollow cylinder cement-stabilized soil sample preparation and maintenance equipment Download PDFInfo
- Publication number
- CN203551356U CN203551356U CN201320735341.4U CN201320735341U CN203551356U CN 203551356 U CN203551356 U CN 203551356U CN 201320735341 U CN201320735341 U CN 201320735341U CN 203551356 U CN203551356 U CN 203551356U
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- sample preparation
- inner core
- hollow cylinder
- cylinder
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- 239000002689 soil Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000012423 maintenance Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims description 19
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 239000003871 white petrolatum Substances 0.000 description 1
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Abstract
The utility model relates to hollow cylinder cement-stabilized soil sample preparation and maintenance equipment. The structure of the sample preparation and maintenance equipment is as follows: a draw bar is connected with a base and a pressure plate; the middle of the equipment body is connected with a three-opened inner barrel and a three-opened outer barrel; the three-opened inner barrel is arranged inside the three-opened outer barrel; a sample storehouse is formed between the three-opened inner barrel and the three-opened outer barrel. The sample preparation and maintenance equipment overcomes the defects that bubbles and bleeding water in a sample cannot be discharged, the uniform density of a sample and the final integrality of a crisp sample are difficult to ensure, and the like. The sample preparation and maintenance equipment can be inversely arranged on the draw bar in the demolding process, the three-opened outer barrel and the sample are arranged on the pressure plate, the sample can be integrally pushed out from the three-opened outer barrel from top to bottom, so that the integrality of the sample can be effectively ensured, the diastrophism and the absence of cracks between two valves can be effectively prevented, and the demolding can be finished before the maintenance period as long as the sample has the certain independence. Therefore, the occupied time of the device can be greatly reduced, and the sample preparation efficiency is improved.
Description
Technical field
The utility model belongs to Geotechnical Engineering experimental technique field, the particularly sample preparation of a kind of hollow cylinder cement stabilized soil and curing means.
Background technology
Before the present utility model, patent " a kind of hollow cylinder sampling instrument (application number: 200920228846) " discloses a kind of hollow cylinder specimen sampling instrument, this equipment is in use evenly placed on sample layering in the embedded space of increased pressure board, hollow cylinder formation, carries out the densification of sample by turning handle.But when preparing cement stabilizing soil sample sample, sample or stream are moulded state, the bubble in sample is difficult to discharge, and bleeding also cannot be discharged, and is difficult to guarantee the even density of sample; In addition, in the operation instruction of this equipment, do not describe knockout course in detail, be difficult to guarantee the final integrality of fragility sample.
Summary of the invention
The purpose of this utility model is to solve above-mentioned difficulties and problem, and a kind of sample preparation and curing means and using method of cement stabilized soil is provided, and making to study the kinematic behavior of cement stabilized soil under complex stress path becomes possibility.
The technical solution adopted in the utility model is:
The sample preparation of hollow cylinder cement stabilized soil and a curing means, its technical characteristics is that pull bar connects base and platen, middle connect three open cylinder over inner core, three, three open inner core over three in cylinder, three open over inner core, three and form sample storehouse between cylinder.
On described base, from middle M14 threaded hole, be disposed with from inside to outside the osculum of inner core pickup groove, water leg, urceolus pickup groove, infiltration groove, M10 threaded hole, sidewall, three open inner core is arranged in inner core pickup groove, and cylinder is arranged in urceolus pickup groove over three.
On base, be provided with radially rhone, its outer end connected set tank, the inner infiltration groove that is communicated with.
Described three open inner core forms a circle by two large limbs, a valvula sheet, and there is aperture on valvula sheet top, between little limb and large limb, has bayonet socket, and inside drum cover is stuck in three and opens inner core top.
Over described three, cylinder is assembled into integral body by three 120 ° of identical annulus limbs by bayonet socket.
Described porous disc is arranged on bottom, sample storehouse, on base.
Described platen is pressed in over three cutting sth. askew on anchor ring of cylinder top.
Described mandrel connects the inside drum cover on base and top.
Advantage of the present utility model and effect are as follows:
(1) three opens the bayonet socket between each limb of cylinder over inner core and three, all makes " z " shaped sections, can effectively prevent the changing of the relative positions between limb;
(2) three open inner core, have a little limb, can first extract out separately, reduce the disturbance to sample inwall;
(3) device pedestal has drainage channel, can collect sample bleeding quantity;
(4) wall and outer tube inner wall stick plastic sheeting outer tube, and more crisp and more sticky sample can be prepared, and sample is more closely knit, and smooth surface has reduced the disturbance of the demoulding to sample, also there will not be the phenomenon of discontinuity at seam crossing;
(5) platen over can being used for fixing three cylinder, when the demoulding, can also be inverted frame on pull bar, cylinder and sample are placed on platen over three, be convenient to by sample is over three tin from top to bottom integral body release, can effectively guarantee the integrality of sample, free from flaw;
(6) do not need by the time curing age, as long as sample has certain independence just can form removal, can greatly reduce device holding time, raising sample preparation efficiency.
Accompanying drawing explanation
Fig. 1---the utility model constructional device facade view.
Fig. 2---the utility model constructional device schematic three dimensional views.
Fig. 3---the utility model constructional device base schematic three dimensional views.
Fig. 4---the utility model constructional device three is opened inner core schematic three dimensional views.
Fig. 5---cylinder schematic three dimensional views over the utility model constructional device three.
Fig. 6---constructional device form removal committed step schematic diagram of the present invention.
The component names that in figure, each label is corresponding is as follows:
Base 1, (ring-like sample) porous disc 2, three open inner core 3, large limb 3-1, valvula sheet 3-2, aperture 3-3, inside drum cover 4, cylinder 5 over three, (8 ° of inclination angles) anchor ring 5-1 cuts sth. askew, platen 6, pull bar 7, M10 nut 8, mandrel 9, M14 nut 10, firming plate 11, the urceolus collar 12, sample storehouse 13, urceolus pickup groove 14, radially rhone 15, inner core pickup groove 16, M14 threaded hole 17, infiltration groove 18, water leg 19, osculum 20, M10 threaded hole 21, (z cross section) bayonet socket 22, (cement stabilized soil) sample 23, permeable paper 24, (plastics) film 25.
Embodiment
As shown in Fig. 1～Fig. 6:
The sample preparation of hollow cylinder cement stabilized soil and a curing means, comprise that base 1, three opens cylinder 5 over inner core 3, three, platen 6, inside drum cover 4, mandrel 9, porous disc 2, firming plate 11, pull bar 7, the urceolus collar 12 and other supporting parts.Three open inner core 3 is arranged in inner core pickup groove 16, and cylinder 5 is arranged in urceolus pickup groove 14 over three.Porous disc 2 is arranged on 13 bottoms, sample storehouse, and on base 1.Platen 6 is pressed in over three cutting sth. askew on anchor ring 5-1 of cylinder 5 tops.
As shown in Figure 3:
On base 1, from middle M14 threaded hole 17, be disposed with from inside to outside the osculum 20 of inner core pickup groove 16, urceolus pickup groove 14, M10 threaded hole 21 and sidewall, rhone 15 outer end connected set tanks 19 radially, its inner infiltration groove 18 that is communicated with, 4 radially rhones 15 are set in this example, equidistant.
As shown in Figure 4:
Three open inner core 3 forms a circle by two large limb 3-1, a valvula sheet 3-2, and there is aperture 3-3 on valvula sheet 3-2 top, between valvula sheet 3-2 and large limb 3-1, has bayonet socket 22, and inside drum cover 4 is stuck in three and opens inner core 3 tops.
As shown in Figure 5:
Over three, cylinder 5 is assembled into integral body by three 120 ° of identical annulus limbs by bayonet socket 22.
As shown in Fig. 1～Fig. 6:
The explanation of the utility model application process:
(cement stabilized soil) sample is of a size of: internal diameter is 60mm, and external diameter is 100mm, is highly 200mm; Three external diameters of opening inner core 3 are 60mm, internal diameter 40mm, wall thickness 10mm, overall height is 224mm, upper and lower Ge Liu 10mm is to hold annular porous disc 2 and firming plate 11, and the free height of sample storehouse 13 inside and outside walls is 204mm, than the additional 4mm of specimen height, is the reserved height of permeable paper; Over three, the internal diameter of cylinder 5 is 100mm, and the first half external diameter is 120mm, and wall thickness is 10mm, and the latter half external diameter is 124mm, and wall thickness is 12mm, and overall height is 226mm, and upper and lower Ge Liu 11mm is to hold porous disc 2 and firming plate 11; Over three, cylinder 5 upper and lower side outer walls have the anchor ring 5-1 that cuts sth. askew at 8 ° of inclination angles, and the thin-walled in upper end is thick is 6mm, and the thin-walled in lower end is thick is 8mm; Base 1 diameter 212mm, thickness 35mm, water leg 19 external diameter 170mm, internal diameter 150mm, base 1 outermost wall thickness 21mm, outer wall end face is uniformly distributed four M10 threaded holes 21, and two M10 threaded hole 21 distance of center circle that face are from being 190mm; M14 threaded hole 17 is used for fixing mandrel 9, external diameter 36mm; Inner core pickup groove 16 and urceolus pickup groove 14 sizes are mated with three lower ends of opening cylinder 5 over inner core 3 and three respectively.
The material requirements of this device has some strength, and is difficult for getting rusty, and can, with aluminium alloy or stainless steel, also can select the material that other functions are identical.
Concrete operation step in sample making course:
Before using for the first time, first mandrel 9 is tightened on the M14 threaded hole 17 of base 1;
(1) two large limb 3-1 and valvula sheet 3-2 are combined into one complete three by corresponding bayonet socket 22 and open inner core 3, three, open inner core 3 outer walls and be coated with one deck vaseline, and entirely paste one deck (plastics) film 25, two of film 25 stays 3-4cm long more, every 1cm, along plotted, cut off, the strip form film at two 25 is entirely inwardly turned over;
(2) by three, open inner core and be stuck in inner core pickup groove 16, then inside drum cover 4 is stuck in to three opens inner core 3 tops, with M14 nut 10, be enclosed within mandrel 9 tops, be screwed down and push down inside drum cover 4;
(3) at wet permeable paper 24 of porous disc 2 surface label, porous disc 2 is enclosed within to three and opens outside inner core 3, and by three, open inner core 3 tops and shift 13 bottoms, sample storehouse always onto;
(4) with the urceolus collar 12, cylinder 5 over three is fixed into integral body, over three, cylinder 5 inwalls are coated with one deck white vaseline, and paste a circle film 25, for making film 25 more smooth, can first film 25 be twisted on slightly thin pole, then pole is rolled to a circle along cylinder 5 inwalls over three, two of film 25 stays 3～4cm long more, every 1cm, along plotted, cut off, by the strip form film at two 25, entirely to turning up, the upper end that film 25 turns up is fixed with bungee;
(5) cylinder 5 lower ends over three are stuck in the urceolus pickup groove 14 of base 1, platen 6 is pressed on the ring cutting inclined-plane 5-1 at cylinder 5 tops over three, and is connected base 1 and platen 6 with M10 nut 8 by four symmetrical pull bars 7, over three 5 are fixed on base 1.
(6) drainpipe is connected on the osculum 20 of base 1, in sample storehouse, add deployed (cement stabilized soil) sample 23, want layering to add and use sticking plaster tamping, guarantee that sample 23 is closely knit without hole, treat that sample 23 fills up sample storehouse 13, sample 23 upper surfaces are floating and paste a permeable paper 24, firming plate 11 is covered at sample 23 tops, whole device is put into the fog room of standard curing condition.
(7), after sample 23 has certain independence, carry out form removal.Whole device is taken out from fog room, open firming plate 11, take off inside drum cover 4, with cleek, through aperture 3-3, the three valvula sheet 3-2 that open inner core 3 are extracted (due to the restriction of bayonet socket 22, valvula sheet 3-2 can be to the interior movement in sample storehouse 13), then take out two large limb 3-1; Then unload pressing disc 6, cylinder 5 over three is taken out from base 1 together with sample 23;
(8) as shown in Figure 5, four M10 nuts 8 are screwed into respectively on four pull bars, and guarantee that four M10 nuts 8 are on equal height, platen 6 is inverted to frame on four pull bars 7 of base 1, urceolus is inverted and is placed on platen 6, with porous disc 2 pads, at sample 23 tops, sample 23 is pushed cylinder 5 at leisure over three, porous disc 2 is pushed into over three cylinder 5 bottoms can obtain complete (hollow cylinder cement stabilized soil) sample 23, then sample 23 is put back to and in fog room, continued maintenance;
(9) until curing age is taken out again, the film 25 being attached between curing period on sample 23 can not tear off, the disturbance surperficial to it in the time of can reducing mobile sample 23.
Claims (8)
1. the sample preparation of hollow cylinder cement stabilized soil and a curing means, is characterized in that pull bar connects base and platen, middle connect three open cylinder over inner core, three, three open inner core over three in cylinder, three open over inner core, three and form sample storehouse between cylinder.
2. a kind of hollow cylinder cement stabilized soil according to claim 1 sample preparation and curing means, it is characterized in that from middle M14 threaded hole, being disposed with from inside to outside on base the osculum of inner core pickup groove, water leg, urceolus pickup groove, infiltration groove, M10 threaded hole, sidewall, three open inner core is arranged in inner core pickup groove, and cylinder is arranged in urceolus pickup groove over three.
3. a kind of hollow cylinder cement stabilized soil according to claim 1 and 2 sample preparation and curing means, is characterized in that being provided with radially rhone on base, its outer end connected set tank, the inner infiltration groove that is communicated with.
4. a kind of hollow cylinder cement stabilized soil according to claim 1 sample preparation and curing means, it is characterized in that three open inner core and form a circle by two large limbs, a valvula sheet, there is aperture on valvula sheet top, between little limb and large limb, has bayonet socket, and inside drum cover is stuck in three and opens inner core top.
5. a kind of hollow cylinder cement stabilized soil according to claim 1 sample preparation and curing means, is characterized in that over three, cylinder is assembled into integral body by three 120 ° of identical annulus limbs by bayonet socket.
6. a kind of hollow cylinder cement stabilized soil according to claim 1 sample preparation and curing means, is characterized in that porous disc is arranged on bottom, sample storehouse, on base.
7. a kind of hollow cylinder cement stabilized soil according to claim 1 sample preparation and curing means, is characterized in that platen is pressed in cutting sth. askew on anchor ring of cylinder top over three.
8. a kind of hollow cylinder cement stabilized soil according to claim 1 sample preparation and curing means, is characterized in that mandrel connects the inside drum cover on base and top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735341.4U CN203551356U (en) | 2013-11-19 | 2013-11-19 | Hollow cylinder cement-stabilized soil sample preparation and maintenance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735341.4U CN203551356U (en) | 2013-11-19 | 2013-11-19 | Hollow cylinder cement-stabilized soil sample preparation and maintenance equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203551356U true CN203551356U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320735341.4U Expired - Fee Related CN203551356U (en) | 2013-11-19 | 2013-11-19 | Hollow cylinder cement-stabilized soil sample preparation and maintenance equipment |
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| CN (1) | CN203551356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630433A (en) * | 2013-11-19 | 2014-03-12 | 南京工业大学 | Hollow cylindrical cement-stabilized soil test sample preparation and maintenance device and using method thereof |
| CN104777016A (en) * | 2015-01-14 | 2015-07-15 | 南京工业大学 | Slurry consolidating sample production apparatus and use method thereof |
| CN112747983A (en) * | 2020-12-30 | 2021-05-04 | 南京工业大学 | Hollow cylindrical sample preparation device for microorganism solidified sandy soil and use method |
-
2013
- 2013-11-19 CN CN201320735341.4U patent/CN203551356U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630433A (en) * | 2013-11-19 | 2014-03-12 | 南京工业大学 | Hollow cylindrical cement-stabilized soil test sample preparation and maintenance device and using method thereof |
| CN103630433B (en) * | 2013-11-19 | 2016-05-11 | 南京工业大学 | A kind of hollow cylinder cement stabilizing soil sample and curing means and using method |
| CN104777016A (en) * | 2015-01-14 | 2015-07-15 | 南京工业大学 | Slurry consolidating sample production apparatus and use method thereof |
| CN104777016B (en) * | 2015-01-14 | 2017-10-24 | 南京工业大学 | A kind of sludge consolidating sample making apparatus and its application method |
| CN112747983A (en) * | 2020-12-30 | 2021-05-04 | 南京工业大学 | Hollow cylindrical sample preparation device for microorganism solidified sandy soil and use method |
| CN112747983B (en) * | 2020-12-30 | 2022-09-16 | 南京工业大学 | Hollow cylindrical sample preparation device for microorganism solidified sandy soil and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20161119 |