CN102636395A - Testing device for plastic strength of slip form concrete - Google Patents
Testing device for plastic strength of slip form concrete Download PDFInfo
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- CN102636395A CN102636395A CN2012101546911A CN201210154691A CN102636395A CN 102636395 A CN102636395 A CN 102636395A CN 2012101546911 A CN2012101546911 A CN 2012101546911A CN 201210154691 A CN201210154691 A CN 201210154691A CN 102636395 A CN102636395 A CN 102636395A
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- concrete
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- plastic strength
- mould
- funnel
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- 229920003023 plastic Polymers 0.000 title claims abstract description 27
- 239000004033 plastic Substances 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920006351 engineering plastic Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 8
- 235000019994 cava Nutrition 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000011158 quantitative evaluation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The invention discloses a testing device for plastic strength of slip form concrete, relates to a testing device for the plastic strength of concrete, and solves the problem that no convenient and reliable testing device for quantitative assessment of the plastic strength of green concrete is available at home and abroad at present. An annular base plate (3) is fixedly sleeved on the bottom end of a cylindrical mould (1); a mould handle (2) is fixedly arranged on the upper part of the cylindrical mould (1); the cylindrical mould (1) is fixedly arranged on a circular bottom plate (4) through a bolt; a concrete mould is arranged in a fixed bracket (8); a funnel (5) is arranged at the upper end of the fixed bracket (8); a valve (6) is arranged at the lower end of the funnel (5); a cylindrical container (7) is positioned right below the funnel (5) and is placed on the upper end face of a concrete test piece; and two baffle plates (9) are symmetrically and fixedly arranged inside the fixed bracket (8) and are positioned below the cylindrical container (7). The testing device is suitable for testing of the plastic strength of the slip form concrete.
Description
Technical field
The present invention relates to a kind of proving installation of concrete plastic strength, be specifically related to a kind of proving installation that is used for the form concrete plastic strength.
Background technology
Slding form operation all is widely used at a plurality of building engineering fields such as highway, airfield pavements as a kind of novel quick mechanical execution mode of modern concrete engineering structure.The outstanding feature of sliding mode technology has been cancelled fixed form exactly, becomes fixing dead template and is sliding movable punching block, and construction of Concrete Engineering economy and security are improved greatly, and operating efficiency is multiplied.At present, can be used for the existing dry concrete that needs vibration moulding of slding form operation, also have report to adopt the mobile bigger vibration concrete of exempting from; Owing to there is not fixed form, no matter must there be enough good shape stability could guarantee works profile and edge integrity through the concrete behind vibratory compaction or the self-compaction, this also is an important indicator of estimating the concrete slip-form workability.
The physical significance of fresh concrete shape stability is whether to resist certain external force effect and is not damaged and is out of shape, thereby can characterize with its plastic strength.The mechanical strength of maturing all adopts standard compliant mechanical test machine to test both at home and abroad, and unified operation and value disciplines are arranged.Because the plastic strength value of fresh concrete is very little, carry out form removal, carrying, loading test according to conventional maturing and all cause test specimen to destroy easily, be difficult to obtain the hypothesis testing result.Therefore, also there is not a kind of convenient and reliable proving installation that is used for quantitative evaluation fresh concrete plastic strength both at home and abroad at present.
Summary of the invention
The objective of the invention is does not also have a kind of convenient and reliable problem that be used for quantitative evaluation fresh concrete plastic strength proving installation at present, and then a kind of proving installation that is used for the form concrete plastic strength is provided in order to solve both at home and abroad.
Technical scheme of the present invention is: a kind of proving installation that is used for the form concrete plastic strength comprises concrete mold and concrete test device; Concrete mold comprises cylinder mould, mould handle, annular chassis and circular bottom plate, and the annular chassis is fixedly set in the bottom of cylinder mould, and annular chassis and cylinder mould are processed one; The mould handle is packed in the top of cylinder mould; The cylinder mould fixed cap is contained on the circular bottom plate, and the concrete test device comprises funnel, valve, cylindrical vessel, fixed support and two baffle plates, and concrete mold is arranged in the fixed support; Funnel is arranged on support bracket fastened upper end; Valve is arranged on the lower end of funnel, cylindrical vessel be positioned at funnel under, and place on the upper surface of concrete sample; Two baffle plate symmetries are packed in support bracket fastened inboard, and are positioned at the below of cylindrical vessel.
The present invention compared with prior art has following effect: 1. concrete mold of the present invention makes after the fresh concrete moulding, can be in the original place direct form removal and need not carrying or overturning mould, do not influence test specimen profile and surface quality.2. the present invention is when test; Control the sand quality that flows in the cylindrical vessels 7 by funnel 5 through valve 6; Through the test concrete sample in the maximum sand quality that can bear before destroying and the quality sum of cylindrical vessel 7 of caving in; Can calculate concrete plastic strength, thereby quantitative evaluation goes out concrete shape stability.3. the present invention establishes two baffle plates 9, effectively avoided concrete sample to cave in suddenly making sand in the cylindrical vessel 7 to incline and spread, thereby can't accurately measure destroy before sand quality in the cylindrical vessel 7, produce the problem of test deviation.4. reasonable in design, simple in structure, the easy operating of the present invention, reliable operation.
Description of drawings
Fig. 1 is a front view of the present invention; Fig. 2 is a vertical view of the present invention; Fig. 3 is the cut-open view of Fig. 1 at the A-A place.
Embodiment
Embodiment one: combine Fig. 1-Fig. 3 that this embodiment is described, a kind of proving installation that is used for the form concrete plastic strength of this embodiment comprises concrete mold and concrete test device, and concrete mold comprises cylinder mould 1, mould handle 2, annular chassis 3 and circular bottom plate 4; Annular chassis 3 is fixedly set in the bottom of cylinder mould 1; And one is processed with cylinder mould 1 in annular chassis 3, and mould handle 2 is packed in the top of cylinder mould 1, and cylinder mould 1 is installed on the circular bottom plate 4 through bolt; The concrete test device comprises funnel 5, valve 6, cylindrical vessel 7, fixed support 8 and two baffle plates 9; Concrete mold is arranged in the fixed support 8, and funnel 5 is arranged on the upper end of fixed support 8, and valve 6 is arranged on the lower end of funnel 5; Cylindrical vessel 7 be positioned at funnel 5 under; And place on the upper surface of concrete sample, two baffle plate 9 symmetries are packed in the inboard of fixed support 8, and are positioned at the below of cylindrical vessel 7.
The cylinder mould 1 of this embodiment can directly upwards lift through mould handle 2 and carry out the demoulding, when adopting the demoulding of this kind method, and need be with concrete test device portion just placed on it after the concrete sample demoulding is accomplished.
The cylinder mould 1 of this embodiment can be formed by the die assembly of two semicircle shapes, directly draws back to both sides through mould handle 2 and can carry out the demoulding.
Embodiment two: combine Fig. 1 and Fig. 3 that this embodiment is described, the cylinder that cylinder that the cylinder mould 1 of this embodiment is processed for organic glass or engineering plastics are processed.So be provided with, be convenient to observe at any time concrete dense state.Other composition is identical with embodiment one with annexation.
Embodiment three: combine Fig. 1 and Fig. 3 that this embodiment is described, the internal diameter of the cylinder mould 1 of this embodiment is 100mm-150mm, highly is 200mm-300mm, and the ratio of the height of cylinder mould 1 and internal diameter is 2:1.So be provided with, be convenient to calculate the various parameters of concrete sample.Other composition is identical with embodiment one or two with annexation.
Embodiment four: combine Fig. 2 that this embodiment is described; The fixed support 8 of this embodiment comprises first support 11, second support 12 and annulus frame 13; First support 11 and second support 12 are along vertically being set up in parallel; Be fixedly connected through annulus frame 13 between first support 11 and second support 12, funnel 5 is arranged in the annulus frame 13.So be provided with, supporting & stablizing, simple in structure, to be convenient to manufacture, cost is low.Other composition is identical with embodiment one with annexation.
Embodiment five: combine Fig. 2 that this embodiment is described; First support 11 of this embodiment and second support 12 include rectangular steel tube 14, support base plate 15 and two brace rods 16; Support base plate 15 is packed in the bottom of rectangular steel tube 14; One end of every brace rod 16 is packed on the rectangular steel tube 14, and the other end of every brace rod 16 is packed on the support base plate 15.So be provided with, supporting & stablizing, simple in structure, to be convenient to manufacture, cost is low.Other composition is identical with embodiment four with annexation.
Embodiment six: combine Fig. 2 that this embodiment is described, first support 11 of this embodiment and the distance between second support 12 are 300mm-400mm.So be provided with, make the distance between baffle plate 9, mould 1 and the funnel 5 more reasonable, baffle plate 9 can just catch because the cylindrical vessel that sand is housed 7 that concrete caves in suddenly and fallen by height.Other composition is identical with embodiment five with annexation.
Embodiment seven: combine Fig. 1 and Fig. 3 that this embodiment is described, the internal diameter of the cylindrical vessel 7 of this embodiment is 250mm-350mm, highly is 100mm.So be provided with, be convenient to calculate the weight of sand in the cylindrical vessel 7.Other composition is identical with embodiment one with annexation.
Embodiment eight: combine Fig. 1 and Fig. 3 that this embodiment is described, the length of the baffle plate 9 of this embodiment is 50mm-75mm.So be provided with, effectively avoided concrete sample to cave in suddenly making sand in the cylindrical vessel 7 to incline and spread, thus can't accurately measure destroy before sand quality in the cylindrical vessel 7, produce the problem of test deviation.Other composition is identical with embodiment one with annexation.
Embodiment nine: combine Fig. 1 and Fig. 3 that this embodiment is described, the baffle plate 9 of this embodiment is packed in apart from 100mm-150mm place, concrete mold bottom.The cylindrical vessel 7 that can catch caves in suddenly vertically falls so is set.Other composition is identical with embodiment eight with annexation.
Principle of work of the present invention is:
1) fits together the cylinder mould and the circular bottom plate that have mould handle and an annular base plate through tighting a bolt, form an internal diameter and be 100～150mm, highly be that 200～300mm and ratio of height to diameter are the cylindrical concrete mold of 2:1.
2) concrete that stirs is divided in the two-layer cylinder mould of packing into, and with tamper that its slotting puddling is real; If concrete flowability is hour, also can be placed on and make concrete compaction on the shaking table concrete mold integral is housed, concrete surface is wipeed off afterwards;
3) concrete mold integral will be housed is placed on the smooth ground of spaciousness; Through loosering a bolt fully the connection between annular base plate and the circular bottom plate is untied; Double-grip mould handle; The cylinder mould that will have the annular base plate is vertically slowly mentioned, and is made into a right cylinder concrete sample.With the fixed support that funnel, valve and baffle plate are installed be placed on concrete sample directly over, with cylindrical vessel be placed on gently concrete sample just above, and the central spot that guarantees concrete sample, funnel and cylindrical vessel is on a perpendicular line.
4) behind the valve-off, a certain amount of fine sand of packing in the funnel.Open hopper valve, make sand slowly flow in the cylindrical vessel; When concrete sample caves in fully or is compressed to 2/3 when following of original height, think that the fresh concrete test specimen destroys, at this moment rapid-closure damper takes out the cylindrical vessel that flows into a certain amount of sand.
5) accurately test out the gross mass M (kg) of cylindrical vessel and its sand of containing, utilize following formula just can calculate concrete plastic strength value (P):
P=4Mg/ π d
2(wherein: d is the diameter on concrete sample surface).
So far, can accomplish test to the form concrete plastic strength.
Claims (9)
1. proving installation that is used for the form concrete plastic strength; It is characterized in that: it comprises concrete mold and concrete test device; Concrete mold comprises cylinder mould (1), mould handle (2), annular chassis (3) and circular bottom plate (4), and annular chassis (3) are fixedly set in the bottom of cylinder mould (1), and one is processed with cylinder mould (1) in annular chassis (3); Mould handle (2) is packed in the top of cylinder mould (1); Cylinder mould (1) is installed on the circular bottom plate (4) through bolt, and the concrete test device comprises funnel (5), valve (6), cylindrical vessel (7), fixed support (8) and two baffle plates (9), and concrete mold is arranged in the fixed support (8); Funnel (5) is arranged on the upper end of fixed support (8); Valve (6) is arranged on the lower end of funnel (5), cylindrical vessel (7) be positioned at funnel (5) under, and place on the upper surface of concrete sample; Two baffle plates (9) symmetry is packed in the inboard of fixed support (8), and is positioned at the below of cylindrical vessel (7).
2. according to the said a kind of proving installation that is used for the form concrete plastic strength of claim 1, it is characterized in that: the cylinder that cylinder that said cylinder mould (1) is processed for organic glass or engineering plastics are processed.
3. according to claim 1 or 2 said a kind of proving installations that are used for the form concrete plastic strength; It is characterized in that: the internal diameter of said cylinder mould (1) is 100mm-150mm; Highly be 200mm-300mm, and the ratio of the height of cylinder mould 1 and internal diameter is 2:1.
4. according to the said a kind of proving installation that is used for the form concrete plastic strength of claim 1; It is characterized in that: said fixed support (8) comprises first support (11), second support (12) and annulus frame (13); First support (11) and second support (12) are along vertically being set up in parallel; Be fixedly connected through annulus frame (13) between first support (11) and second support (12), funnel (5) is arranged in the annulus frame (13).
5. according to the said a kind of proving installation that is used for the form concrete plastic strength of claim 4; It is characterized in that: said first support (11) and second support (12) include rectangular steel tube (14), support base plate (15) and two brace rods (16); Support base plate (15) is packed in the bottom of rectangular steel tube (14); One end of every brace rod (16) is packed on the rectangular steel tube (14), and the other end of every brace rod (16) is packed on the support base plate (15).
6. according to the said a kind of proving installation that is used for the form concrete plastic strength of claim 5, it is characterized in that: the distance (L) between said first support (11) and second support (12) is 300mm-400mm.
7. according to the said a kind of proving installation that is used for the form concrete plastic strength of claim 1, it is characterized in that: the internal diameter of said cylindrical vessel (7) is 250mm-350mm, highly is 100mm.
8. according to the said a kind of proving installation that is used for the form concrete plastic strength of claim 1, it is characterized in that: the length of said baffle plate (9) is 50mm-75mm.
9. said according to Claim 8 a kind of proving installation that is used for the form concrete plastic strength is characterized in that: said baffle plate (9) is packed in apart from 100mm-150mm place, concrete mold bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210154691.1A CN102636395B (en) | 2012-05-18 | 2012-05-18 | Testing device for plastic strength of slip form concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210154691.1A CN102636395B (en) | 2012-05-18 | 2012-05-18 | Testing device for plastic strength of slip form concrete |
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| Publication Number | Publication Date |
|---|---|
| CN102636395A true CN102636395A (en) | 2012-08-15 |
| CN102636395B CN102636395B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210154691.1A Active CN102636395B (en) | 2012-05-18 | 2012-05-18 | Testing device for plastic strength of slip form concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827827A (en) * | 2018-07-31 | 2018-11-16 | 中南大学 | A kind of 3D printing concrete constructions system safety testing device and method |
| CN111398047A (en) * | 2020-05-26 | 2020-07-10 | 福州晋安尧琦侗科技有限公司 | Detection apparatus for concrete piece compressive strength |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527042A (en) * | 2003-09-19 | 2004-09-08 | 同济大学 | Measurement method of plastic tensile strength of cement-base material |
| US6849211B2 (en) * | 2001-06-27 | 2005-02-01 | Addtek Research & Development Oy Ab | Method for fabricating a concrete product |
| CN102175382A (en) * | 2011-01-28 | 2011-09-07 | 哈尔滨工业大学 | Detecting device for detecting lateral pressure of great-mobility concrete template |
-
2012
- 2012-05-18 CN CN201210154691.1A patent/CN102636395B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6849211B2 (en) * | 2001-06-27 | 2005-02-01 | Addtek Research & Development Oy Ab | Method for fabricating a concrete product |
| CN1527042A (en) * | 2003-09-19 | 2004-09-08 | 同济大学 | Measurement method of plastic tensile strength of cement-base material |
| CN102175382A (en) * | 2011-01-28 | 2011-09-07 | 哈尔滨工业大学 | Detecting device for detecting lateral pressure of great-mobility concrete template |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827827A (en) * | 2018-07-31 | 2018-11-16 | 中南大学 | A kind of 3D printing concrete constructions system safety testing device and method |
| CN108827827B (en) * | 2018-07-31 | 2020-10-30 | 中南大学 | 3D printing concrete constructability testing device and method |
| CN111398047A (en) * | 2020-05-26 | 2020-07-10 | 福州晋安尧琦侗科技有限公司 | Detection apparatus for concrete piece compressive strength |
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| CN102636395B (en) | 2014-01-01 |
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Effective date of registration: 20170904 Address after: 150001 No. 434, postal street, Nangang District, Heilongjiang, Harbin Patentee after: Harbin Institute of Technology National University Science Park Development Co., Ltd. Address before: 150001 Harbin, Nangang, West District, large straight street, No. 92 Patentee before: Harbin Institute of Technology |
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Effective date of registration: 20171025 Address after: 510250 72 South Jinhui Road, Haizhuqu District Industrial Avenue, Guangdong, Guangzhou Patentee after: Harbin robotics group (Guangzhou) intellectual property Klc Holdings Ltd Address before: 150001 No. 434, postal street, Nangang District, Heilongjiang, Harbin Patentee before: Harbin Institute of Technology National University Science Park Development Co., Ltd. |
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Effective date of registration: 20180112 Address after: 150000 Heilongjiang Province, Harbin City Economic Development Zone haping Road District Dalian road and Xingkai road junction Patentee after: Hagongda robot group (Harbin) Asset Management Co., Ltd. Address before: 510250 72 South Jinhui Road, Haizhuqu District Industrial Avenue, Guangdong, Guangzhou Patentee before: Harbin robotics group (Guangzhou) intellectual property Klc Holdings Ltd |
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Effective date of registration: 20181101 Address after: 414002 room 538, Yungang Road Customs Service building, Chenglingji new port, Yueyang, Hunan Patentee after: Hakda robotics group Yueyang Co., Ltd. Address before: 150000 Dalian Road North and Xingkai Road, Harbin, Heilongjiang province. Patentee before: Hagongda robot group (Harbin) Asset Management Co., Ltd. |
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Effective date of registration: 20181220 Address after: 414002 Fourth Floor, Building 2, Xindeng Incubation Building, Yungang Road Military-Civil Integration Industrial Park, Chenglingji New Port District, Yueyang City, Hunan Province Patentee after: Harbin University of Technology Robot (Yueyang) Research Institute Co., Ltd. Address before: 414002 room 538, Yungang Road Customs Service building, Chenglingji new port, Yueyang, Hunan Patentee before: Hakda robotics group Yueyang Co., Ltd. |