CN209821201U - Determination device for free bleeding rate and free expansion rate of grouting slurry - Google Patents
Determination device for free bleeding rate and free expansion rate of grouting slurry Download PDFInfo
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- CN209821201U CN209821201U CN201920645508.5U CN201920645508U CN209821201U CN 209821201 U CN209821201 U CN 209821201U CN 201920645508 U CN201920645508 U CN 201920645508U CN 209821201 U CN209821201 U CN 209821201U
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Abstract
The utility model discloses a survey device of free bleeding rate of mud jacking thick liquid and free expansion ratio, including experimental container, fixed scale, removal scale, sealed lid and balance plate, experimental container detachably installs on balance plate surface, and sealed lid detachably sets up in experimental container upper end, and fixed scale perpendicular to balance plate surface sets up, and sets up in the blade of fixed scale with removing the scale slidable. The utility model provides a mud jacking thick liquid free bleeding rate and free expansion rate's survey device, through set up the fixed scale that sets up with test container parallel and the removal scale that slides on the fixed scale outside the test container, can make the change of the mud jacking thick liquid upper surface that measures, reads in the test process more accurate, improve the precision of the test greatly; simultaneously the utility model discloses a survey device simple structure, the preparation cost is low, and maneuverability is strong.
Description
Technical Field
The utility model relates to a civil engineering technical field, in particular to mud jacking thick liquid freely bleeding rate and free expansion rate's survey device.
Background
In the civil engineering construction, the free bleeding rate and the free expansion rate of grouting slurry are important indexes of the civil engineering construction, a testing device specified in the current standard 'highway bridge and culvert construction technical specification' needs manual ruler amount due to no scale, the error is large, and meanwhile, the grouting slurry solidified after the test is completed is difficult to take out of a testing container, so that the difficulty is increased for the retest, and in addition, the container cannot be kept horizontal, and the error is brought to the test.
The method has the advantages that the test research for measuring the free bleeding rate and the free expansion rate of the grouting slurry is less, particularly, the error is large, the precision is low, the method is always an important factor influencing the development of the test technology and is also an important reason influencing the engineering quality.
Therefore, how to solve the difficulty and error of the test research of the determination of the free bleeding rate and the free expansion rate of the existing grouting slurry is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mud jacking thick liquid freely bleeding rate and free expansion rate's survey device, this survey device simple structure easily operates, can realize improving test data's accuracy.
In order to solve the technical problem, the utility model provides a survey device of free bleeding rate of mud jacking thick liquid and free expansion ratio, including experimental container, fixed scale, removal scale, sealed lid and balance plate, experimental container detachably install in the balance plate surface, sealed lid detachably set up in experimental container upper end, the fixed scale perpendicular to balance plate surface sets up, just remove scale slidable ground set up in the blade of fixed scale.
Preferably, the start scale value of the fixed scale is flush with the inner bottom surface of the test container.
Preferably, the scale value of the movable scale is directly opposite to the scale value of the fixed scale.
Preferably, the leveling device further comprises a leveling bubble arranged on the upper surface of the balance plate.
Preferably, a triangular support is arranged on the lower surface of the balance plate.
Preferably, a fixed built-in part connected with the triangular support is arranged at the center of the balance plate.
Preferably, the leveling device further comprises a leveling upright which abuts against the lower surface of the balance plate.
Preferably, the leveling upright stanchion is sleeved with a leveling knob.
Preferably, the leveling pole setting includes lower part leveling pole setting, upper portion leveling pole setting and jacking screw rod, the jacking screw rod fixed set up in on the lower part leveling pole setting, leveling knob suit is in on the jacking screw rod, just the jacking screw rod with upper portion leveling pole setting threaded connection.
The utility model provides a survey device of free bleeding rate of mud jacking thick liquid and free expansion ratio mainly includes test container, fixed scale, removes scale, sealed lid and balance plate, and test container detachably installs on balance plate surface, and sealed lid detachably sets up in test container upper end, and fixed scale perpendicular to balance plate surface sets up, and removes scale slidable ground and set up in the blade of fixed scale. The utility model provides a survey device of free bleeding rate of mud jacking thick liquid and free expansion ratio, through the outside fixed scale that sets up and test container parallel arrangement and gliding removal scale on the fixed scale that sets up at test container, can make the change of the mud jacking thick liquid upper surface of measuring, reading in the test process more accurate, improve experimental precision greatly, simultaneously, the utility model discloses a survey device simple structure, maneuverability is strong, and the preparation cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the leveling upright shown in fig. 1.
Wherein, in fig. 1-2:
the device comprises a test container-1, a fixed scale-2, a movable scale-3, a sealing cover-4, a balance plate-5, leveling air bubbles-6, a triangular support-7, a fixed built-in part-8, a leveling upright-9, a lower leveling upright-91, an upper leveling upright-92, a jacking screw-93, a leveling knob-10 and a reserved hole-11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of an overall structure of an embodiment of the present invention.
The utility model provides an among the concrete embodiment, the survey device of the free bleeding rate of mud jacking thick liquid and free expansion ratio mainly includes test container 1, fixed scale 2, removes scale 3, sealed lid 4 and balance plate 5, and test container 1 detachably installs on balance plate 5 surface, and sealed lid 4 detachably sets up in test container 1 upper end, and the 5 surface settings of fixed scale 2 perpendicular to balance plate, and remove scale 3 slidable ground and set up in the blade of fixed scale 2.
Wherein the test container 1 is made of transparent organic glass, the height is 150mm, and the diameter is 100 mm; the test container 1 is detachably arranged on the surface of the balance plate 5, and the sealing cover 4 is detachably arranged at the upper end of the test container 1 and used for sealing grouting slurry filled into the test container 1 in the test process; the fixed scale 2 is arranged perpendicular to the surface of the balance plate 5, the movable scale 3 is slidably arranged on the scale body of the fixed scale 2, and the fixed scale 2 is arranged parallel to the height direction of the test container 1. The test container 1 may be made of other materials, and is not particularly limited as long as it can satisfy the test of the grouting slurry.
Specifically, in the actual test process, for example, when grouting measurement is performed on a post-tensioned tunnel of an urban viaduct, a reserved hole 11 is formed in the bottom of a test container 1, the reserved hole 11 is sealed by a flat-bottom glass sealing plug before the test, the test container 1 is placed on a balance plate 5, grouting slurry is poured into the test container 1, a sealing cover 4 is covered, at the moment, the free expansion rate of the grouting slurry for 3 hours and 24 hours and the bleeding rate for 24 hours can be measured, a movable scale 3 is moved to the upper surface of the grouting slurry, and data is recorded, and the fixed scale 2 is arranged in parallel with the height direction of the test container 1, so that the corresponding readings on the fixed scale 2 and the movable scale 3 are read in the measurement process, and the obtained data is accurate compared with manual measurement in the prior art; after the test is finished, the flat-bottom glass sealing plug is taken down, the test container 1 is placed in water to be soaked for 3 hours, then the flat-bottom glass sealing plug is placed in a freezing box to be frozen for 5.5 hours at the temperature of minus 5 ℃, the flat-bottom glass sealing plug is taken out and dried, solidified cement block solids are taken out of the test container 1, the test container 1 is cleaned, a preformed hole 11 is sealed and then placed on a balance plate 5, grouting slurry is poured in, a sealing cover 4 is covered, a movable scale 3 is moved to the upper surface of the grouting slurry to perform a reading test, data are recorded, at the moment, as the device is provided with a fixed scale 2 which is arranged in parallel with the height direction of the test container 1, the read data are accurate, and the free bleeding rate and the free expansion rate of the grouting slurry can be obtained through comparison before and after 2 times of experiments. For another example, when the post-tensioned tunnel grouting measurement of a river-crossing bridge is carried out, the free expansion rate of 3 hours and 24 hours is measured, the bleeding rate of 24 hours is measured, in the measurement process, the movable scale 3 is moved to the upper surface of grouting slurry, and data are recorded; after the test is finished, the flat-bottom glass sealing plug is taken down, the test container 1 is placed in water to be soaked for 5 hours, then the flat-bottom glass sealing plug is placed in a freezing box to be frozen for 3.5 hours at the temperature of minus 5 ℃, the flat-bottom glass sealing plug is taken out and dried, solidified cement block solids are taken out of the test container 1, the test container 1 is cleaned, a preformed hole 11 is sealed and then placed on a balance plate 5, grouting slurry is poured in, a sealing cover 4 is covered, a movable scale 3 is moved to the upper surface of the grouting slurry to perform a reading test, data are recorded, as the device is provided with a fixed scale 2 which is arranged in parallel with the height direction of the test container 1, the read data are accurate, and the free bleeding rate and the free expansion rate of the grouting slurry can be obtained through comparison calculation before and after multiple times of experiments.
In order to optimize the measuring device in the above embodiment, the measured free bleeding rate and free expansion rate of the grouting slurry have the advantage of higher accuracy, and the initial scale value of the fixed scale 2 is flush with the inner bottom surface of the test container 1. Because the initial state of the grouting slurry is pasty, the grouting slurry is filled in the whole bottom surface of the test container 1 before the grouting slurry is solidified, the design can ensure that the data of the grouting slurry measured by the movable scale 3 before solidification is more accurate, and the measurement error is reduced.
Further, the scale value of the movable scale 3 is set directly opposite to the scale value of the fixed scale 2. Similarly, in the measurement process, the scale of moving scale 3 is with the surperficial parallel and level of mud jacking thick liquid, and the scale of moving scale 3 and fixed scale 2 is just to setting up, can guarantee the precision of reading, reduces measuring error.
Referring to fig. 2, fig. 2 is a schematic structural view of the leveling upright shown in fig. 1.
Further, the measuring device also comprises a leveling bubble 6 arranged on the upper surface of the balance plate 5; the lower surface of the balance plate 5 is provided with a triangular bracket 7; a fixed built-in part 8 connected with the triangular bracket 7 is arranged at the center of the balance plate 5; the measuring device also comprises a leveling upright rod 9 which is abutted with the lower surface of the balance plate 5; the leveling upright rod 9 is sleeved with a leveling knob 10. The leveling upright rod 9 is divided into a lower leveling upright rod 91, an upper leveling upright rod 92 and a jacking screw rod 93, the lower leveling upright rod 91 is fixedly connected with the jacking screw rod 93, the leveling knob 10 is fixedly connected with the jacking screw rod 93, and the upper leveling upright rod 92 is in threaded connection with the jacking screw rod 93. In addition, in the measuring process, the test container 1 can be in a horizontal position by observing the leveling bubbles 6, the leveling knob 10 on the leveling upright rod 9 can be operated to realize that the jacking screw 93 enters the upper leveling upright rod 92 for a certain depth, so that the test container 1 is horizontally adjusted, when the leveling bubbles 6 are in the middle position, the test container 1 is in a horizontal state, the design can ensure that the liquid level of the grouting slurry is also in a horizontal state, the measured test data is more accurate, the reading accuracy is ensured, and the measuring error is reduced.
In summary, the device for measuring the free bleeding rate and the free expansion rate of grouting slurry provided by the embodiment mainly comprises a test container, a fixed scale, a movable scale, a sealing cover and a balance plate, wherein the test container is detachably mounted on the surface of the balance plate, the sealing cover is detachably arranged at the upper end of the test container, the fixed scale is perpendicular to the surface of the balance plate, and the movable scale is slidably arranged on the body of the fixed scale. The utility model provides a survey device of free bleeding rate of mud jacking thick liquid and free expansion ratio, through the outside fixed scale that sets up and test container parallel arrangement and gliding removal scale on the fixed scale that sets up at test container, can make the change of the mud jacking thick liquid upper surface of measuring, reading in the test process more accurate, improve experimental precision greatly, simultaneously, the utility model discloses a survey device simple structure, maneuverability is strong, and the preparation cost is low.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a survey device of free bleeding rate of mud jacking thick liquid and free expansion ratio, its characterized in that, includes experimental container (1), fixed scale (2), removes scale (3), sealed lid (4) and balance plate (5), experimental container (1) detachably install in balance plate (5) surface, sealed lid (4) detachably set up in experimental container (1) upper end, fixed scale (2) perpendicular to balance plate (5) surface sets up, just remove scale (3) slidable set up in the blade of fixed scale (2).
2. The device according to claim 1, characterized in that the start scale value of the fixed scale (2) is flush with the inner bottom surface of the test container (1).
3. The measuring device according to claim 2, wherein the scale value of the moving scale (3) is arranged directly opposite to the scale value of the fixed scale (2).
4. The assay device according to any one of claims 1 to 3, further comprising a leveling bubble (6) disposed on the upper surface of the balance plate (5).
5. The device according to claim 4, characterized in that the lower surface of the balancing plate (5) is provided with a triangular support (7).
6. The measuring device according to claim 5, characterized in that a fixed insert (8) connected to the triangular support (7) is provided in the center of the balancing plate (5).
7. The measuring device according to claim 4, characterized in that it further comprises a levelling upright (9) in abutment with the lower surface of the balancing plate (5).
8. The measuring device according to claim 7, characterized in that the leveling upright (9) is fitted with a leveling knob (10).
9. The measuring device according to claim 8, wherein the leveling upright (9) comprises a lower leveling upright (91), an upper leveling upright (92) and a jacking screw (93), the jacking screw (93) is fixedly arranged on the lower leveling upright (91), the leveling knob (10) is sleeved on the jacking screw (93), and the jacking screw (93) is in threaded connection with the upper leveling upright (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920645508.5U CN209821201U (en) | 2019-05-07 | 2019-05-07 | Determination device for free bleeding rate and free expansion rate of grouting slurry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920645508.5U CN209821201U (en) | 2019-05-07 | 2019-05-07 | Determination device for free bleeding rate and free expansion rate of grouting slurry |
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| CN209821201U true CN209821201U (en) | 2019-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991399A (en) * | 2019-05-07 | 2019-07-09 | 中庆建设有限责任公司 | A kind of measurement device of the free bleeding rate of mud jacking slurries and free swelling rate |
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2019
- 2019-05-07 CN CN201920645508.5U patent/CN209821201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991399A (en) * | 2019-05-07 | 2019-07-09 | 中庆建设有限责任公司 | A kind of measurement device of the free bleeding rate of mud jacking slurries and free swelling rate |
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