CN1277122C - Automatic measuring equipment for concrete volume changing amount - Google Patents
Automatic measuring equipment for concrete volume changing amount Download PDFInfo
- Publication number
- CN1277122C CN1277122C CN 200310113930 CN200310113930A CN1277122C CN 1277122 C CN1277122 C CN 1277122C CN 200310113930 CN200310113930 CN 200310113930 CN 200310113930 A CN200310113930 A CN 200310113930A CN 1277122 C CN1277122 C CN 1277122C
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- China
- Prior art keywords
- glass tube
- container
- concrete
- lid
- volume
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- Expired - Fee Related
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Abstract
The present invention relates to an automatic meter for continuously measuring the variation volume of concrete. A columnar body made of engineering plastics (8) is arranged on a cover (5) of a container (1), wherein a thin glass tube (10) is arranged on the columnar body; both sides of the glass tube (10) are respectively provided with a tubular lamp (11) and a photocell (14); the cover (5) has a hole and forms a butt joint with the glass tube. Samples of measured concrete are sealed by a plastic bag and are arranged in the container (1). Colored liquid is filled in the container. When the volume of the measured samples changes, a liquid pole in the thin glass tube lifts and falls with the volume of the measured samples. Light emitted from a light source irradiates on the bar-shaped photocell through the glass tube. Signals received by the photocell can be commuted to the height of the liquid pole. Consequently, the variation volume of the samples can be measured accurately.
Description
Technical field
The present invention relates to a kind of surveying instrument of object volume variable quantity, particularly a kind of automatic measuring instrument that detects volume change of concrete that is applicable to.
Background technology
In concrete construction and checkout procedure, from fresh concrete to the sclerosis after its volume change of concrete be the important parameter that is related to mechanical performance of concrete and permanance.At present, on the one hand, various swelling agents, economization agent are widely used in the concrete, need accurately to measure the influence that it changes volume of concrete; On the other hand, the influence that various environment temperatures change volume of concrete, the concrete and the negative temperature concrete that use down as high temperature, however also not have accurately in the continuous coverage hardening process automatically at present and the instrument of the volume change on the coagulation after the sclerosis.
Summary of the invention
For the measuring accuracy that improves volume change of concrete and in order to realize in the automatic continuous coverage hardening process and the concrete volume change in sclerosis back, the invention provides a kind of measuring accuracy height, and the volume change of concrete automatic measuring instrument of the automatic continuous coverage concrete of energy volume change in hardening process and after the sclerosis.
Above-mentioned purpose is to be realized by following technical scheme: the barrel containers 1 that flange is arranged, container 1 covers 5, between container 1 and the lid 5 sealing gasket 4 is arranged, fastening between container 1 and the lid 5 by screw 6, lid 5 the center column 8 that engineering plastics are made of packing into, porose and the graduated glass tube 10 of packing in the center of column 8, also dock with glass tube 10 at lid 5 center porose 7, in glass tube 10 1 sides tubular lamp 11 is housed, the opposite side of glass tube 10 is equipped with photoelectric cell 14, have first groove 12 between tubular lamp 11 and the glass tube 10, have second groove 13 between photoelectric cell 14 and the glass tube 10, temperature-measuring resistance element 9 is housed on the container cover, the fresh concrete sample 2 of detected plastic bag sealing is housed in the container, container is full of colored liquid in (1).
Description of drawings
Fig. 1 is the main pseudosection of apparatus of the present invention; Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Introduce a kind of embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, the barrel containers 1 that glass is made, the upper end of container 1 is fastening with the lid 5 usefulness screws 6 of container by flange 3, between flange 3 and the lid 5 sealing gasket 4 is arranged, the lid 5 top fluted, pack in the groove of the face of covering in column 8 lower ends that engineering plastics are made, bond with fluid sealant, porose and the graduated thin glass tube 10 of packing in column 8 centers, dock with the center pit of lid 5 glass tube 10 lower ends, in glass tube 10 1 sides tubular lamp 11 is housed, and the opposite side of glass tube 10 is equipped with strip photoelectric cell 14, have first groove 12 between tubular lamp 11 and the glass tube 10, have second groove 13 between photoelectric cell 14 and the glass tube 10.The light of Fig. 2 fluorescent tube is penetrated on photoelectric cell 14 by first groove 12 and glass tube 10 and second groove 13, and the liquid-column height of groove 15 in can the sight glass pipe arranged on column 8.Temperature-measuring resistance element 9 is housed on the container cover.In container, put into the fresh concrete 2 of detected plastic bag sealing.Be full of colored liquid in the container, when environment temperature is subzero temperature, should select the lower colored liquid of freezing point for use.Fluid column in the glass tube 10 is charged to a certain height, and when volume of concrete changed, the fluid column in the glass tube 10 will rise or descend, and the volume that fluid column rises or descends promptly is the variable quantity of volume of concrete.Stabilized voltage supply is supplied with tube power, the lifting of coloured fluid column has changed the intensity of photoelectric cell reception illumination, the photoelectric cell output signal can be measured the height of glass tube fluid column, and photronic electric signal connects the variable quantity that instrument can show and write down fluid column automatically, can measure the sample volume change.Temperature element (TE) connects the recording instrument interior temperature of measuring vessel simultaneously.
Claims (1)
1, the volume change of concrete automatic measuring instrument, it is characterized in that, the barrel containers (1) that flange is arranged, container (1) has lid (5), between container (1) and the lid (5) sealing gasket (4) is arranged, fastening between container (1) and the lid (5) by screw (6), the center of lid (5) column (8) that engineering plastics are made of packing into, porose and the graduated glass tube (10) of packing in the center of column (8), also dock with glass tube (10) at the center porose (7) of lid (5), in glass tube (10) one sides tubular lamp (11) is housed, the opposite side of glass tube (10) is equipped with photoelectric cell (14), have first groove (12) between tubular lamp (11) and the glass tube (10), have second groove (13) between photoelectric cell (14) and the glass tube (10), temperature-measuring resistance element (9) is housed on the container cover, the fresh concrete sample (2) of detected plastic bag sealing is housed in the container (1), container is full of colored liquid in (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310113930 CN1277122C (en) | 2003-11-04 | 2003-11-04 | Automatic measuring equipment for concrete volume changing amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310113930 CN1277122C (en) | 2003-11-04 | 2003-11-04 | Automatic measuring equipment for concrete volume changing amount |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1614418A CN1614418A (en) | 2005-05-11 |
| CN1277122C true CN1277122C (en) | 2006-09-27 |
Family
ID=34760078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310113930 Expired - Fee Related CN1277122C (en) | 2003-11-04 | 2003-11-04 | Automatic measuring equipment for concrete volume changing amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1277122C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221387B (en) * | 2011-04-02 | 2013-03-06 | 中国科学院武汉岩土力学研究所 | Pressure plate instrument capable of directly measuring volume change of soil sample |
| CN103438956B (en) * | 2013-09-24 | 2016-01-20 | 哈尔滨工业大学 | The assay method of inorganic phase-changing material volume change determinator under condition of different temperatures |
| CN104122380B (en) * | 2014-07-08 | 2016-01-20 | 山东科技大学 | A kind of method measuring coal petrography water-intake rate |
| CN104698029B (en) * | 2015-02-15 | 2017-08-01 | 三峡大学 | The high-precision measuring equipment and measuring method of irregular solid thermal expansion shrinkage volume change |
| CN105277463A (en) * | 2015-11-09 | 2016-01-27 | 中国石油天然气集团公司 | Volume expansion and shrinking percentage testing device and method |
| CN105424887A (en) * | 2015-12-09 | 2016-03-23 | 中国石油天然气股份有限公司 | Method for measuring expansion rate of inorganic water shutoff agent and device thereof |
| CN109212171A (en) * | 2018-11-19 | 2019-01-15 | 太原理工大学 | Architectural engineering concrete self-shrinkage rate measuring device and method |
| CN109752062A (en) * | 2019-01-21 | 2019-05-14 | 哈尔滨工业大学 | A kind of real-time monitoring system of static breaking agent volume expansion |
| CN110146686B (en) * | 2019-05-21 | 2021-12-14 | 哈尔滨工业大学 | Detection method realized by concrete frozen deformation detection device |
| CN110146688A (en) * | 2019-05-21 | 2019-08-20 | 哈尔滨工业大学 | A kind of concrete early deformation detection device and its detection method |
| CN115951040A (en) * | 2023-02-20 | 2023-04-11 | 中铁建设建筑发展(海南)有限公司 | Concrete shrinkage experimental device |
-
2003
- 2003-11-04 CN CN 200310113930 patent/CN1277122C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1614418A (en) | 2005-05-11 |
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