CN114047080B - Concrete beam loading device under coupling action of sulfate soaking and continuous load - Google Patents
Concrete beam loading device under coupling action of sulfate soaking and continuous load Download PDFInfo
- Publication number
- CN114047080B CN114047080B CN202111354978.4A CN202111354978A CN114047080B CN 114047080 B CN114047080 B CN 114047080B CN 202111354978 A CN202111354978 A CN 202111354978A CN 114047080 B CN114047080 B CN 114047080B
- Authority
- CN
- China
- Prior art keywords
- loading
- soaking
- plate
- sulfate
- upright
- 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.)
- Active
Links
- 238000002791 soaking Methods 0.000 title claims abstract description 58
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 31
- 230000001808 coupling effect Effects 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
Classifications
-
- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- 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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a concrete beam loading device under the coupling effect of sulfate soaking and continuous load, wherein a sulfate soaking tank comprises a supporting plate, a sample placing column and a soaking box, a telescopic vertical rod is arranged between the supporting plate and the bottom plate, the soaking box is arranged on the bottom plate, and the sample placing column is fixedly connected with the supporting plate and is positioned above an opening of the soaking box; the load loading device comprises two first upright posts, a loading plate and a loading upright post, wherein the first upright posts are fixedly connected to the bottom plate, the two first upright posts are connected through the loading plate, a threaded section is arranged on each first upright post, an adjusting sleeve is connected with the threaded section in a threaded manner, and the adjusting sleeve is rotatably arranged on the loading plate; the loading plate is fixedly connected with a loading sleeve, the loading sleeve is in threaded connection with a loading upright post, and the loading upright post is arranged above the sample placing column. By the arrangement of the invention, the concrete beam loading device which can provide the sulfate soaking effect and meet the continuous load detection is provided.
Description
Technical Field
The invention relates to the technical field of concrete detection equipment, in particular to a concrete beam loading device under the coupling effect of sulfate soaking and continuous load.
Background
The concrete bending creep loading device mainly aims to apply long-term three-point bending load to a concrete test piece. Under the condition that the load needs to be maintained stable in the test process, the loading device for the current creep test mainly comprises a lever type creep device, a spring type creep instrument and the like, and can not well meet the test requirement, and when a concrete sample is detected, in order to ensure that the detection result is more in line with the actual application, the corrosion of external environment sulfate to the sample needs to be simulated, and continuous load is supplied to the sample, so that the detection data is more in line with the actual production requirement.
Therefore, the concrete beam loading device under the coupling effect of sulfate soaking and continuous load is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a concrete beam loading device under the coupling effect of sulfate soaking and continuous load.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a concrete beam loading device under the coupling effect of sulfate soaking and continuous load comprises a sulfate soaking tank, a load loading device and a bottom plate;
the sulfate soaking tank is arranged on the bottom plate through a telescopic upright post, and comprises a supporting plate, a sample placing column and a soaking box, wherein a telescopic upright post is arranged between the supporting plate and the bottom plate, the soaking box is arranged on the bottom plate, and the sample placing column is fixedly connected with the supporting plate and is positioned above an opening of the soaking box;
the load loading device comprises two first upright posts, a loading plate and a loading upright post, wherein the first upright posts are fixedly connected to the bottom plate, the two first upright posts are connected through the loading plate, a threaded section is arranged on each first upright post, an adjusting sleeve is in threaded connection with the threaded section, and the adjusting sleeve is rotatably arranged on the loading plate; the loading plate is fixedly connected with a loading sleeve, the loading sleeve is in threaded connection with the loading upright post, and the loading upright post is arranged above the sample placing column.
Further, the upper end face of the loading plate is provided with a groove, a horizontal liquid column is arranged in the groove, and the horizontal liquid column is respectively adjacent to the two first upright posts.
Further, the terminal surface articulates there are two locating plates under the loading board, the cover is equipped with the holding ring on the first stand, the horizontal direction is provided with spacing arch on the holding ring, be provided with spacing through-hole on the locating plate, spacing arch with spacing through-hole looks adaptation, on the holding ring slidable was provided with first stand, holding ring one side is provided with the locking bolt.
Further, the loading stand column is sequentially provided with a rotary handle, a sensor and a loading head from top to bottom, the rotary handle is arranged above the loading plate, the sensor is arranged below the loading plate, and the loading head is rotatably arranged at the lower end of the loading stand column.
Further, four telescopic upright posts are arranged at the bottom of the supporting plate, a through hole is formed in the middle of the supporting plate, and the sample placing column is embedded in the through hole.
Further, be provided with first liquid reserve tank and second liquid reserve tank on the layer board, be used for holding water and sulfate solution respectively, soak the case and communicate with first liquid reserve tank and second liquid reserve tank respectively through the feed liquor pipe.
Further, the top of the soaking box is detachably connected with an end cover.
Further, a liquid level observation window is arranged on one side of the soaking box.
Further, a plurality of through holes are formed in the bottom of the sample placing column, movable stand columns are placed in the through holes, and the top area of each movable stand column is larger than the area of each through hole.
Compared with the prior art, the invention has the beneficial effects that:
by the arrangement of the invention, the concrete beam loading device which can provide the sulfate soaking effect and meet the continuous load detection is provided; the matched parts of the loading plate and the two first upright posts are respectively detected through the arranged horizontal liquid column, so that the loading plate can be kept horizontal, and the precision of a test result is improved; through the positioning ring and the positioning plate, after the height of the loading plate relative to the first upright post is adjusted, the limiting protrusion is embedded into the limiting groove, so that the concrete of the supporting point of the loading plate is reduced, the capacity of deformation caused by stress of the supporting point is reduced, and the detection precision is improved; the supply of the solution is controlled through the electromagnetic valves arranged on the first liquid storage tank, the second liquid storage tank and the liquid inlet pipe, so that the concentration of the solution in the soaking tank is controllable, and different detection environments are provided for the samples; the sample can be fully soaked by the movable upright post.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Fig. 1 is a schematic diagram of the overall structure of a concrete beam loading device under the coupling effect of sulfate soaking and continuous load;
fig. 2 is a schematic structural diagram of a load loading device according to the present invention;
FIG. 3 is a schematic diagram of a split structure of a sulfate soaking tank according to the present invention;
fig. 4 is a schematic diagram of the use structure of the sulfate soaking tank according to the present invention.
In the figure: 1. a first upright; 2. rotating the handle; 3. an adjustment sleeve; 4. a first reservoir; 5. a supporting plate; 6. a telescopic column; 7. a bottom plate; 8. a sample placement column; 9. a soaking box; 10. a second liquid storage tank; 11. a movable upright post; 12. an end cap; 13. a liquid inlet pipe; 14. a liquid level window; 15. a loading plate; 16. a sensor; 17. loading the sleeve; 18. a horizontal liquid column; 19. a positioning ring; 20. a positioning plate; 21. a loading head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-4, a concrete beam loading device under the coupling effect of sulfate soaking and continuous load comprises a sulfate soaking tank, a load loading device and a bottom plate 7;
the sulfate soaking pond is arranged on the bottom plate 7 through the telescopic upright posts 6, and comprises a supporting plate 5, a sample placing column 8 and a soaking box 9, wherein telescopic upright posts are arranged between the supporting plate 5 and the bottom plate 7, the soaking box 9 is arranged on the bottom plate 7, and the sample placing column 8 is fixedly connected with the supporting plate 5 and is positioned above an opening of the soaking box 9;
the upper end surface of the loading plate 15 is provided with a groove, a horizontal liquid column 18 is arranged in the groove, the horizontal liquid column 18 is respectively adjacent to the two first upright posts 1, and the matched parts of the loading plate 15 and the two first upright posts 1 are respectively detected through the arranged horizontal liquid column 18, so that the loading plate 15 can be kept horizontal, and the accuracy of test results is improved;
the lower end face of the loading plate 15 is hinged with two positioning plates 20, a positioning ring 19 is sleeved on the first upright 1, a limiting bulge is arranged in the horizontal direction on the positioning ring 19, a limiting through hole is formed in the positioning plate 20, the limiting bulge is matched with the limiting through hole, the positioning ring 19 is slidably arranged on the first upright 1, a locking bolt is arranged on one side of the positioning ring 19, after the height of the loading plate 15 relative to the first upright 1 is adjusted, the limiting bulge is embedded into a limiting groove through the arranged positioning ring 19 and the positioning plate 20, the concrete of the supporting point of the loading plate 15 is reduced, the stress deformation capacity of the loading plate 15 is reduced, and the detection precision is improved;
further, the loading column is sequentially provided with a rotary handle 2, a sensor 16 and a loading head 21 from top to bottom, the rotary handle 2 is arranged above the loading plate 15, the sensor 16 is arranged below the loading plate 15, the loading head 21 is rotatably arranged at the lower end of the loading column, after the loading plate 15 is positioned, the rotary handle 2 is adjusted, the loading head 21 is abutted against the surface of a sample, and detection data are captured through the sensor 16.
The load loading device comprises two first upright posts 1, a loading plate 15 and loading upright posts, wherein the first upright posts 1 are fixedly connected to a bottom plate 7, the two first upright posts 1 are connected through the loading plate 15, a threaded section is arranged on each first upright post 1, an adjusting sleeve 3 is in threaded connection with the threaded section, and the adjusting sleeve 3 is rotatably arranged on the loading plate 15; the loading plate 15 is fixedly connected with a loading sleeve 17, the loading sleeve 17 is in threaded connection with a loading upright post, and the loading upright post is arranged above the sample placing column 8.
Four telescopic upright posts 6 are arranged at the bottom of the supporting plate 5, a through hole is formed in the middle of the supporting plate 5, the sample placing column 8 is embedded in the through hole, a limiting frame is arranged at the top of the sample placing column 8, a groove is formed in the outer wall of the through hole, the limiting frame is embedded in the groove, the upper end face of the sample placing column 8 is flush with the supporting plate 5, the height of the telescopic upright posts 6 is increased after soaking is completed, and the sample placing column 8 is separated from the soaking box 9;
the first liquid storage tank 4 and the second liquid storage tank 10 are arranged on the supporting plate 5 and are respectively used for containing water and sulfate solution, the soaking tank 9 is respectively communicated with the first liquid storage tank 4 and the second liquid storage tank 10 through the liquid inlet pipe 13, and the supply of the solution is controlled through the electromagnetic valves arranged on the first liquid storage tank 4, the second liquid storage tank 10 and the liquid inlet pipe 13, so that the concentration of the solution in the soaking tank 9 is controllable, and different detection environments are provided for samples;
an end cover 12 is detachably connected to the top of the soaking box 9, and the top of the soaking box 9 is closed after the sample placing column 8 is separated from the soaking box 9.
One side of the soaking box 9 is provided with a liquid level observation window so as to observe the soaking effect of the sample.
The bottom of the sample placing column 8 is provided with a plurality of through holes, movable stand columns 11 are placed in the through holes, the top area of each movable stand column 11 is larger than the area of each through hole, when the sample placing column 8 is placed in the soaking box 9, each movable stand column 11 is jacked up, a plurality of movable stand columns 11 form a supporting plane to support the sample, so that the sample can be fully soaked, after the sample placing column 8 is separated from the soaking box 9, each movable stand column 11 falls down, and the upper end face of each movable stand column 11 is flush with the lower end face of the sample placing column 8.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The concrete beam loading device under the coupling effect of sulfate soaking and continuous load is characterized by comprising a sulfate soaking tank, a load loading device and a bottom plate;
the sulfate soaking tank is arranged on the bottom plate through a telescopic upright post, and comprises a supporting plate, a sample placing column and a soaking box, wherein a telescopic upright post is arranged between the supporting plate and the bottom plate, the soaking box is arranged on the bottom plate, and the sample placing column is fixedly connected with the supporting plate and is positioned above an opening of the soaking box;
the load loading device comprises two first upright posts, a loading plate and a loading upright post, wherein the first upright posts are fixedly connected to the bottom plate, the two first upright posts are connected through the loading plate, a threaded section is arranged on each first upright post, an adjusting sleeve is in threaded connection with the threaded section, and the adjusting sleeve is rotatably arranged on the loading plate; the loading plate is fixedly connected with a loading sleeve, the loading sleeve is in threaded connection with the loading upright post, and the loading upright post is arranged above the sample placing column;
the bottom of the sample placing column is provided with a plurality of through holes, movable stand columns are placed in the through holes, and the top area of each movable stand column is larger than the area of each through hole.
2. The concrete beam loading device under the coupling effect of sulfate soaking and continuous load according to claim 1, wherein the upper end surface of the loading plate is provided with a groove, a horizontal liquid column is arranged in the groove, and the horizontal liquid column is respectively adjacent to the two first upright columns.
3. The concrete beam loading device under the coupling action of sulfate soaking and continuous load according to claim 1, wherein two positioning plates are hinged to the lower end face of the loading plate, a positioning ring is sleeved on the first upright, a limiting protrusion is arranged in the horizontal direction on the positioning ring, a limiting through hole is formed in the positioning plate, the limiting protrusion is matched with the limiting through hole, the positioning ring is slidably arranged on the first upright, and a locking bolt is arranged on one side of the positioning ring.
4. The concrete beam loading device under the coupling effect of sulfate soaking and continuous load according to claim 1, wherein the loading upright column is sequentially provided with a rotary handle, a sensor and a loading head from top to bottom, the rotary handle is arranged above the loading plate, the sensor is arranged below the loading plate, and the loading head is rotatably arranged at the lower end of the loading upright column.
5. The concrete beam loading device under the coupling effect of sulfate soaking and continuous load according to claim 1, wherein four telescopic upright posts are arranged at the bottom of the supporting plate, through holes are formed in the middle of the supporting plate, and the sample placing bars are embedded in the through holes.
6. The concrete beam loading device under the coupling effect of sulfate soaking and continuous loading according to claim 1, wherein a first liquid storage tank and a second liquid storage tank are arranged on the supporting plate and are respectively used for containing water and sulfate solution, and the soaking tank is respectively communicated with the first liquid storage tank and the second liquid storage tank through liquid inlet pipes.
7. The concrete beam loading device under the coupling effect of sulfate soaking and continuous loading according to claim 1, wherein an end cover is detachably connected to the top of the soaking box.
8. The concrete beam loading device under the coupling effect of sulfate soaking and continuous loading according to claim 1, wherein a liquid level observation window is arranged on one side of the soaking box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354978.4A CN114047080B (en) | 2021-11-16 | 2021-11-16 | Concrete beam loading device under coupling action of sulfate soaking and continuous load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354978.4A CN114047080B (en) | 2021-11-16 | 2021-11-16 | Concrete beam loading device under coupling action of sulfate soaking and continuous load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114047080A CN114047080A (en) | 2022-02-15 |
| CN114047080B true CN114047080B (en) | 2023-12-08 |
Family
ID=80209237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111354978.4A Active CN114047080B (en) | 2021-11-16 | 2021-11-16 | Concrete beam loading device under coupling action of sulfate soaking and continuous load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114047080B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281189A (en) * | 2008-05-15 | 2008-10-08 | 青岛理工大学 | Cement-based material constant-load composite corrosion tester |
| CN202599756U (en) * | 2012-04-12 | 2012-12-12 | 北京工业大学 | Concrete compression creep instrument |
| CN203678788U (en) * | 2013-12-18 | 2014-07-02 | 天津康科德医药化工有限公司 | High temperature soaking box body for reagent bottles |
| CN104132847A (en) * | 2014-08-04 | 2014-11-05 | 河海大学 | Device and method for testing chloride corrosion of reinforced concrete member under continuous load |
| JP2014218036A (en) * | 2013-05-09 | 2014-11-20 | 株式会社水道技術開発機構 | Hole-boring auxiliary device and hole-boring method of concrete structure |
| CN104458556A (en) * | 2014-12-22 | 2015-03-25 | 中国矿业大学 | Device and method for testing concrete sulfate attack |
| CN206038398U (en) * | 2016-09-28 | 2017-03-22 | 四川建筑职业技术学院 | Baked brick intensity detects uses sample soak device |
| CN106841577A (en) * | 2017-04-12 | 2017-06-13 | 山东大学 | It is adaptable to concrete loading device and method under load environment coupling |
| CN108776101A (en) * | 2018-06-11 | 2018-11-09 | 河海大学 | A kind of concrete contact dissolution experimental rig for considering to split tensile stress |
| CN209784144U (en) * | 2019-04-23 | 2019-12-13 | 长安大学 | Automatic dry-wet cycle test device for asphalt mixture under salt corrosion condition |
| CN110631984A (en) * | 2019-10-18 | 2019-12-31 | 东南大学 | Concrete sulfate soaks test device |
| CN211206186U (en) * | 2019-11-25 | 2020-08-07 | 吴江永盛混凝土有限公司 | Concrete sulfate erosion dry-wet cycle testing machine |
| WO2021008278A1 (en) * | 2019-07-12 | 2021-01-21 | 河南理工大学 | High-speed railway goaf foundation pseudo-dynamic loading model test apparatus and method |
| CN112304980A (en) * | 2020-10-28 | 2021-02-02 | 西安热工研究院有限公司 | Directional X-ray flaw detector supporting device for nondestructive testing of boiler tube panel welding joint and using method thereof |
| CN112378840A (en) * | 2020-11-27 | 2021-02-19 | 杭州冠力智能科技有限公司 | Concrete stress loading-sulfate erosion test device |
| CN214408462U (en) * | 2021-03-25 | 2021-10-15 | 郑州大学 | Tunnel lining concrete durability test device |
-
2021
- 2021-11-16 CN CN202111354978.4A patent/CN114047080B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281189A (en) * | 2008-05-15 | 2008-10-08 | 青岛理工大学 | Cement-based material constant-load composite corrosion tester |
| CN202599756U (en) * | 2012-04-12 | 2012-12-12 | 北京工业大学 | Concrete compression creep instrument |
| JP2014218036A (en) * | 2013-05-09 | 2014-11-20 | 株式会社水道技術開発機構 | Hole-boring auxiliary device and hole-boring method of concrete structure |
| CN203678788U (en) * | 2013-12-18 | 2014-07-02 | 天津康科德医药化工有限公司 | High temperature soaking box body for reagent bottles |
| CN104132847A (en) * | 2014-08-04 | 2014-11-05 | 河海大学 | Device and method for testing chloride corrosion of reinforced concrete member under continuous load |
| CN104458556A (en) * | 2014-12-22 | 2015-03-25 | 中国矿业大学 | Device and method for testing concrete sulfate attack |
| CN206038398U (en) * | 2016-09-28 | 2017-03-22 | 四川建筑职业技术学院 | Baked brick intensity detects uses sample soak device |
| CN106841577A (en) * | 2017-04-12 | 2017-06-13 | 山东大学 | It is adaptable to concrete loading device and method under load environment coupling |
| CN108776101A (en) * | 2018-06-11 | 2018-11-09 | 河海大学 | A kind of concrete contact dissolution experimental rig for considering to split tensile stress |
| CN209784144U (en) * | 2019-04-23 | 2019-12-13 | 长安大学 | Automatic dry-wet cycle test device for asphalt mixture under salt corrosion condition |
| WO2021008278A1 (en) * | 2019-07-12 | 2021-01-21 | 河南理工大学 | High-speed railway goaf foundation pseudo-dynamic loading model test apparatus and method |
| CN110631984A (en) * | 2019-10-18 | 2019-12-31 | 东南大学 | Concrete sulfate soaks test device |
| CN211206186U (en) * | 2019-11-25 | 2020-08-07 | 吴江永盛混凝土有限公司 | Concrete sulfate erosion dry-wet cycle testing machine |
| CN112304980A (en) * | 2020-10-28 | 2021-02-02 | 西安热工研究院有限公司 | Directional X-ray flaw detector supporting device for nondestructive testing of boiler tube panel welding joint and using method thereof |
| CN112378840A (en) * | 2020-11-27 | 2021-02-19 | 杭州冠力智能科技有限公司 | Concrete stress loading-sulfate erosion test device |
| CN214408462U (en) * | 2021-03-25 | 2021-10-15 | 郑州大学 | Tunnel lining concrete durability test device |
Non-Patent Citations (2)
| Title |
|---|
| Acid rain erosion resistance of concretes containing super-fine mineral admixtures;Hong fang Li;applied mechanics and materials;第174-177卷;1402 * |
| 水对聚丙烯纤维混凝土力学性能影响分析;张创举;中国优秀硕士学位论文全文数据库工程科技I辑(第2021年第4期期);72 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114047080A (en) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103323576B (en) | True three-dimensional swell-shrink instrument | |
| CN206971709U (en) | Socket joint type disk button is rotatably connected disk and supporting construction | |
| CN114047080B (en) | Concrete beam loading device under coupling action of sulfate soaking and continuous load | |
| CN204694602U (en) | A kind of measurement capillary soil water climbing height test unit | |
| CN110850058A (en) | Leaching test device and using method thereof | |
| CN211111300U (en) | A device that is used for different life type aquatic plants to nitrogen phosphorus absorption test | |
| CN210535170U (en) | Building steel structure anti-seismic frame teaching model | |
| CN217033198U (en) | Rural sewage treatment detects uses sampling device | |
| CN206862768U (en) | Concrete durability experiment is held to carry and put | |
| CN214502475U (en) | Practical anti-moving environment monitoring point location marker post | |
| CN214538627U (en) | Building ground sampling device | |
| CN211329485U (en) | Test-tube rack for clinical examination | |
| CN211147808U (en) | River water level measuring device | |
| CN211443258U (en) | Water quality on-line monitoring instrument | |
| CN206002044U (en) | A kind of multidirectional humidification deformation measuring device of soil sample | |
| CN206161467U (en) | Test device suitable for test minimum dry density | |
| CN209946143U (en) | Soil box runoff and leaching integrated experimental device | |
| CN210427276U (en) | Adjustable material density test rack | |
| CN208109501U (en) | Tank truck oil sampling device | |
| CN206731185U (en) | A kind of New test tube support | |
| CN208954445U (en) | A kind of buoyancy demonstrating device based on physics teaching | |
| CN107191779B (en) | Piston-cabinet body contact simulation mechanism of pneumatic elastic model of gas cabinet | |
| CN220150263U (en) | Cone dynamic feeler instrument assembly | |
| CN219224304U (en) | Water seepage device for soil sample preparation test | |
| CN215726596U (en) | Water penetration test device for retro-reflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |