CN208999002U - Under a kind of vacuum preloading in drain bar vacuum degree monitoring system - Google Patents
Under a kind of vacuum preloading in drain bar vacuum degree monitoring system Download PDFInfo
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- CN208999002U CN208999002U CN201821652797.3U CN201821652797U CN208999002U CN 208999002 U CN208999002 U CN 208999002U CN 201821652797 U CN201821652797 U CN 201821652797U CN 208999002 U CN208999002 U CN 208999002U
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- drain bar
- vacuum
- monitoring system
- vacuum degree
- syringe needle
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Abstract
The utility model provides a kind of monitoring system of vacuum degree in drain bar under vacuum preloading, including syringe needle, in the tip-tilt insertion drain bar of syringe needle, the end of syringe needle is connected with the fast plug of tracheae, the other end of the fast plug of tracheae is connected with vacuum meter connecting tube, and the upper end of vacuum meter connecting tube is connected with vacuum meter；Drain bar setting seals the sand bedding course that the soil body is equipped with package vacuum meter upper end of connecting tube at the top of it, is equipped with drainage pipe in sand bedding course, the other end of drainage pipe is connected with vacuum pump in the sealing soil body.Under vacuum preloading provided by the utility model in drain bar vacuum degree monitoring system, the vacuum degree in a certain depth drain bar can be accurately measured；The situation of change that vacuum degree is carried out with test in live drain bar can also intuitively be reacted；In addition, the system structure of the monitoring system of vacuum degree is simple in drain bar under vacuum preloading provided by the utility model, it is easy to operate, and not will cause waste and environmental pollution in work progress.
Description
Technical field
The utility model relates to vacuum preloading field of engineering technology, more particularly, to a kind of vacuum preloading
The monitoring system of vacuum degree in lower drain bar.
Background technique
In recent years, China's Coastal Areas mostly uses vacuum method to carry out stiffening basic ground, which has become weak soil
One of effective ways of basement process.With the progress of vacuum preloading process, can inevitably arrange
The problem of water plate silting, drain bar is caused to be formed about fine and close earth pillar, so that the soil body between drain bar does not obtain effectively adding
Gu.For the mechanism for understanding and studying the vacuum pre-press reinforcing soil body in depth, vacuum degree in drain bar at different depth need to be supervised
Survey, thus observe and analyze under vacuum preloading in drain bar vacuum degree at any time with the situation of change of depth.
Currently, only under-membrance vacuum degree is measured in vacuum preloading, it is not systematic about vacuum degree in drain bar
The method of monitoring.And the vacuum measurement method of existing drain bar is mainly by pore water pressure sensor on behalf of measurement, but
Pore water pressure force value is not essentially equal with vacuum degree.Drain bar is nearby easy to produce fine and close earth pillar simultaneously, leads to also one
It is a little to be inaccurate and construction cost using probe is tightly tied up the monitoring result that the method for measuring its vacuum degree with drain bar is obtained
It is higher.
Utility model content
The purpose of this utility model is that for the deficiencies in the prior art, provides and drained under a kind of vacuum preloading
The monitoring system of vacuum degree in plate.
For this purpose, the above-mentioned purpose of the utility model is achieved through the following technical solutions:
Under a kind of vacuum preloading in drain bar vacuum degree monitoring system, vacuum degree in drain bar under the vacuum preloading
Monitoring system includes syringe needle, in the tip-tilt insertion drain bar of the syringe needle, the end of the syringe needle and the fast plug of tracheae
Be connected, the other end of the fast plug of tracheae is connected with vacuum meter connecting tube, the upper end of the vacuum meter connecting tube with
Vacuum meter is connected；In the sealing soil body, the sealing soil body is equipped with and drain bar upper end at the top of it for the drain bar setting
The sand bedding course of contact, the sand bedding course is interior to be equipped with drainage pipe, and the other end of the drainage pipe is connected with vacuum pump.
While by adopting the above technical scheme, the utility model can also be used or be combined using further below
Technical solution:
Preferably, the tip of the syringe needle insertion drain bar position at be equipped with sealing needle tip and drain bar it
Between junction foamed glue.
Preferably, the drain bar is equipped with filter cloth at syringe needle and the fast plug of tracheae, the filter cloth is gentle by syringe needle
It manages fast plug package inside it and the edge of filter cloth is equipped with the air gun that filter cloth is fixed on drain bar and follows closely.
Preferably, the drain bar is provided, in sequence from bottom to top, with adhesive plaster, the adhesive plaster is for consolidating vacuum meter connecting tube
Determine to drain bar.
Preferably, being equipped with filter membranous layer at the top of the sand bedding course.
Preferably, the vacuum meter connecting tube is PU pipe.
Preferably, the vacuum pump is vacuum jet pump.
The utility model provides a kind of monitoring system of vacuum degree in drain bar under vacuum preloading, can accurately measure certain
Vacuum degree in one depth drain bar；The variation feelings that vacuum degree is carried out with test in live drain bar can also intuitively be reacted
Condition；In addition, the system structure of the monitoring system of vacuum degree is simple in drain bar under vacuum preloading provided by the utility model, hold
It is easy to get started, and not will cause waste and environmental pollution in work progress；In addition, in the prior art, the vacuum measurement of drain bar
Mainly by pore water pressure sensor on behalf of measurement, pore water pressure sensor is arranged in the sealing soil body method, is passed through
The intracorporal pressure of measurement sealing soil to derive the vacuum degree in drain bar indirectly, can not detect effective vacuum in drain bar at all
Degree, and pore water pressure sensor can not also be applied in drain bar the vacuum degree detected in drain bar, therefore, this is practical new
Monitoring system provided by type can be more accurate and truly measures the vacuum degree under the conditions of vacuum preloading in drain bar.
Detailed description of the invention
Fig. 1 is the diagram of the monitoring system of vacuum degree in drain bar under a kind of vacuum preloading provided by the utility model；
In figure: 1- syringe needle；The fast plug of 2- tracheae；3- air gun nail；4- foamed glue；5- filter cloth；6- drain bar；7- vacuum meter
Connecting tube；8- adhesive plaster；9- seals the soil body；10- sand bedding course；11- vacuum meter；12- filter membranous layer；13- drainage pipe；14- vacuum is penetrated
Stream pump.
Specific embodiment
The utility model is described in further detail referring to the drawings and specific embodiments.
Under a kind of vacuum preloading in drain bar vacuum degree monitoring system, including syringe needle 1, the tip-tilt insertion of syringe needle 1
In drain bar 6, the end of syringe needle 1 is connected with the fast plug 2 of tracheae, and the other end of the fast plug 2 of tracheae is connect with vacuum meter
Pipe 7 is connected, and the upper end of vacuum meter connecting tube 7 is connected with vacuum meter 11；The setting of drain bar 6 is in the sealing soil body 9, sealing soil
Body 9 is equipped with the sand bedding course 10 with 6 upper-end contact of drain bar at the top of it, is equipped with drainage pipe 13, drainage pipe in sand bedding course 10
13 other end is connected with vacuum pump.
The tip of syringe needle 1 is equipped with junction between sealing 1 tip of syringe needle and drain bar 6 at the position of insertion drain bar 6
Foamed glue 4.
Drain bar 6 is equipped with filter cloth 5 at syringe needle 1 and the fast plug 2 of tracheae, and filter cloth 5 is by syringe needle 1 and the fast plug 2 of tracheae
Package is inside it and the edge of filter cloth 5 is equipped with filter cloth 5 being fixed to the nail of the air gun on drain bar 63.
Drain bar 6 is provided, in sequence from bottom to top, with adhesive plaster 8, and adhesive plaster 8 is used to vacuum meter connecting tube 7 being fixed to drain bar 6.
The top of sand bedding course 10 is equipped with filter membranous layer 12.
In the present embodiment, vacuum meter connecting tube 7 is selected as PU pipe, in other embodiments, also can choose its alloytype
The pipeline of material or the pipeline configuration of arbitrary shape, and all fall in the protection scope of the utility model.
In the present embodiment, vacuum pump is selected as vacuum jet pump 14；But in other embodiments, it also can choose it
The vacuum pump of his type, and all fall in the protection scope of the utility model.
The monitoring system of vacuum degree is specifically applied in accordance with the following steps in drain bar under vacuum preloading provided by the present embodiment
Work and work:
A. the pre- drain bar 6 set is got out, the tip-tilt of syringe needle 1 is pierced into the filter membrane of drain bar 6, and piercing
Smear the foamed glue 4 of certain area in inlet；The end of syringe needle 1 is threadedly coupled with tracheae quick coupling 2；Tracheae quick coupling 2
The other end and vacuum meter connecting tube 7 realize that card slot is connect；Filter cloth 5 is wrapped up in 2 a certain range of syringe needle 1 and tracheae quick coupling
And it is fixed with air gun nail 3；Along drain bar 6, interruption adhesive tape 8 is fixed on drain bar 6 vacuum meter connecting tube 7 from bottom to top；It will row
The bottom of water plate 6 is sealed with foamed glue 4；
B. drain bar board-plugging device is used, drain bar 6 is slowly squeezed into the sealing soil body 9, avoids the folding of vacuum meter connecting tube 7
It is disconnected；
C. certain thickness sand bedding course 10 is covered on the sealing soil body 9 enables the upper end of sand bedding course 10 and drain bar 6
It is in contact, and is laid with drainage pipe 13 in sand bedding course 10；
D. one layer of filter membranous layer 12 is covered on sand bedding course 10, and by vacuum meter connecting tube 7 and passes through filter membranous layer 12 and vacuum
Table 11 is connected；
E. vacuum jet pump 14 is opened, vacuum preloading is carried out and carries out the monitoring of vacuum degree in drain bar 6.
Above-mentioned specific embodiment is used to illustrate the utility model, the only preferred embodiment of the utility model, and
It is not to limit the utility model, it is practical new to this in the spirit and scope of protection of the claims of the utility model
Any modification, equivalent substitution, improvement and etc. that type is made, both fall within the protection scope of the utility model.
Claims (7)
1. under a kind of vacuum preloading in drain bar vacuum degree monitoring system, which is characterized in that drain bar under the vacuum preloading
The monitoring system of interior vacuum degree includes syringe needle, in the tip-tilt insertion drain bar of the syringe needle, the end of the syringe needle and gas
It manages fast plug to be connected, the other end of the fast plug of tracheae is connected with vacuum meter connecting tube, the vacuum meter connection
The upper end of pipe is connected with vacuum meter；Drain bar setting in the sealing soil body, the sealing soil body at the top of it equipped with
The sand bedding course of drain bar upper-end contact, the sand bedding course is interior to be equipped with drainage pipe, the other end and vacuum pump of the drainage pipe
It is connected.
2. under vacuum preloading according to claim 1 in drain bar vacuum degree monitoring system, which is characterized in that the needle
The tip of head is equipped with the foamed glue of junction between sealing needle tip and drain bar at the position of insertion drain bar.
3. under vacuum preloading according to claim 1 in drain bar vacuum degree monitoring system, which is characterized in that the row
Water plate is equipped with filter cloth at syringe needle and the fast plug of tracheae, the filter cloth by syringe needle and tracheae fast plug package inside it and
The edge of filter cloth, which is equipped with, is fixed to the nail of the air gun on drain bar for filter cloth.
4. under vacuum preloading according to claim 1 in drain bar vacuum degree monitoring system, which is characterized in that the row
Water plate is provided, in sequence from bottom to top, with adhesive plaster, and the adhesive plaster is used to vacuum meter connecting tube being fixed to drain bar.
5. under vacuum preloading according to claim 1 in drain bar vacuum degree monitoring system, which is characterized in that the sand
Filter membranous layer is equipped at the top of bed course.
6. under vacuum preloading according to claim 1 in drain bar vacuum degree monitoring system, which is characterized in that it is described true
Empty table connecting tube is PU pipe.
7. under vacuum preloading according to claim 1 in drain bar vacuum degree monitoring system, which is characterized in that it is described true
Sky pump is vacuum jet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652797.3U CN208999002U (en) | 2018-10-12 | 2018-10-12 | Under a kind of vacuum preloading in drain bar vacuum degree monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652797.3U CN208999002U (en) | 2018-10-12 | 2018-10-12 | Under a kind of vacuum preloading in drain bar vacuum degree monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999002U true CN208999002U (en) | 2019-06-18 |
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ID=66803686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821652797.3U Active CN208999002U (en) | 2018-10-12 | 2018-10-12 | Under a kind of vacuum preloading in drain bar vacuum degree monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323794A (en) * | 2018-10-12 | 2019-02-12 | 中国电建集团华东勘测设计研究院有限公司 | Under a kind of vacuum preloading in drain bar vacuum degree monitoring system and method |
| CN113375856A (en) * | 2021-05-31 | 2021-09-10 | 江苏华益科技有限公司 | Method for measuring vacuum degree of vacuum bottle |
-
2018
- 2018-10-12 CN CN201821652797.3U patent/CN208999002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323794A (en) * | 2018-10-12 | 2019-02-12 | 中国电建集团华东勘测设计研究院有限公司 | Under a kind of vacuum preloading in drain bar vacuum degree monitoring system and method |
| CN113375856A (en) * | 2021-05-31 | 2021-09-10 | 江苏华益科技有限公司 | Method for measuring vacuum degree of vacuum bottle |
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