CN204252103U - A kind of deviational survey hole osmometer device - Google Patents
A kind of deviational survey hole osmometer device Download PDFInfo
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- CN204252103U CN204252103U CN201420709111.5U CN201420709111U CN204252103U CN 204252103 U CN204252103 U CN 204252103U CN 201420709111 U CN201420709111 U CN 201420709111U CN 204252103 U CN204252103 U CN 204252103U
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Abstract
A kind of deviational survey hole osmometer device, has boring (12); It is characterized in that, in described boring (12), be provided with inclinometer pipe (1), water permeating board (3), Hua Kongguan (4) and inclinometer pipe standard bottom (9); Described water permeating board (3) is installed between the bottom of inclinometer pipe (1) and Hua Kongguan (4) top, for separating inclinometer pipe (1) and Hua Kongguan (4); Described colored hole pipe (4) pipe is built with osmometer (6), and the bottom of this Hua Kongguan (4) is provided with inclinometer pipe standard bottom (9).This device can make deviational survey pore and groundwater table pore (pressure measurement pore) unite two into one, and both can monitor boring deep biosphere, and also can monitor groundwater table and osmotic pressure, realizes deviational survey pore and pressure measurement pore is monitored with pore.
Description
Technical field
The utility model relates to a kind of for Geotechnical Monitoring device, is applicable to the concrete condition of deviational survey hole horizontal displacement monitoring and groundwater table hole and osmotic pressure monitoring.
Background technology
As everyone knows, in Geotechnical Monitoring, deep biosphere and groundwater table and osmotic pressure are the big event of geotechnical engineering monitoring.Under prior art condition, deep biosphere monitoring adopts the supporting clinograph of deviational survey pore, namely holes at monitoring body and buries inclinometer pipe underground, movable type inclinometer is put into the horizontal movement that pipe can measure deep; Monitor groundwater table hole, phreatic line, need boring and installation water level pipe equally around dam seepage flow and pressure measurement pore, adopt level measuring instrument to measure groundwater table (being actually the depth displacement measuring water level and aperture in test tube) during manual measurement, automatic monitoring then adopts to be buried variation in water pressure amount at the bottom of osmometer measured hole underground and is converted into water level in borehole variable quantity and completes its monitoring at the bottom of hole.
Under prior art condition, deviational survey pore and groundwater table pore (pressure measurement pore) are independent layouts, reason is owing to needing grouting reinforcement when installing between inclinometer pipe and monitoring body, the sealing of inclinometer pipe need be ensured, in the inclinometer pipe of sealing, water level does not represent the actual water level of monitored body, if adopt other technical measures to make the water potential in inclinometer pipe represent monitored rock mass water level, the osmotic pressure installed in pipe takes into account cable will be affected inclinometer and normally work.
Utility model content
The utility model aims to provide a kind of deviational survey hole osmometer device, this device can make deviational survey pore and groundwater table pore (pressure measurement pore) unite two into one, both can monitor boring deep biosphere, also can monitor groundwater table and osmotic pressure, realize deviational survey pore and pressure measurement pore is monitored with pore.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of deviational survey hole osmometer device, has boring; Its design feature is, is provided with inclinometer pipe, water permeating board, Hua Kongguan and inclinometer pipe standard bottom in described boring; Described water permeating board is installed between the bottom of inclinometer pipe and flower pipe top, hole, for separating inclinometer pipe and Hua Kongguan; Described colored Kong Guanguan is built with osmometer, and inclinometer pipe standard bottom is installed in the bottom of this flower hole pipe.
Thus, by above-mentioned design, deviational survey pore and groundwater table pore (pressure measurement pore) unite two into one by boring of the present utility model, both can monitor boring deep biosphere, also can monitor groundwater table and osmotic pressure, realize deviational survey pore and pressure measurement pore is monitored with pore.
Be below the technical scheme of further improvement of the utility model:
Filler is provided with between described borehole wall and described inclinometer pipe, water permeating board, Hua Kongguan, inclinometer pipe standard bottom.
Filler between described borehole wall and institute's deviational survey hole osmometer device is followed successively by sandstone section, fine sand section, sandstone section and swell soil section to device top at the bottom of hole.Specifically, the filler between described borehole wall and described inclinometer pipe middle and upper part is swell soil section, and the filler between described borehole wall and described inclinometer pipe bottom and between described borehole wall and flower pipe bottom, hole is fine sand section; Filler between described borehole wall and flower pipe top, hole and between described borehole wall and inclinometer pipe standard bottom is sandstone section.
As a kind of preferred version, described inclinometer pipe is segmented inclinometer pipe, is connected between two sections and is connected by joint; Described water permeating board is arranged on the bottom of lowermost inclinometer pipe.
Preferably, described water permeating board is PVC board or aluminum plate or ABS plate, plate has some water seepage holes.
Preferred described inclinometer pipe is pvc pipe.
The Main Function of described inclinometer pipe standard bottom in inclinometer pipe is installed is: (1) plays plug sealing function, prevents cement mortar from entering inclinometer pipe; (2) a pair, steel wire penetrating bottom bottom " ten " word is to perforation, for inclinometer pipe load-bearing and the deflection of anti-inclinometer pipe guide groove direction.
The processing of preferred employing standard inclinometer pipe is managed in described colored hole, and the external diameter of water permeating board must be consistent with the external diameter of inclinometer pipe.
A mounting method for deviational survey hole osmometer device, comprises the steps:
1) to spud on rock mass boring; Being tested by osmometer by code requirement in a pre-installation and soak, and outer burnt-in sand bag, being then placed in Hua Kongguan by osmometer, osmometer cable is through the cable aperture on Hua Kongguan and be fixed on Hua Kongguan;
2) bottom Hua Kongguan, install inclinometer pipe standard bottom; Pipe top, flower hole is connected by joint with inclinometer pipe bottom, and installs water permeating board between flower Kong Guanyu inclinometer pipe;
3) Hua Kongguan fixed, inclinometer pipe, water permeating board, osmometer are placed in boring together with inclinometer pipe standard bottom, and inclinometer pipe standard bottom is placed at the bottom of hole, then by groundwater table pore requirement backfill and slip casting, installation.
When backfilling by the requirement of groundwater table blank pipe, upwards gravel section, fine sand section, gravel section, swell soil section is backfilled successively at the bottom of hole, making between described borehole wall and described inclinometer pipe middle and upper part is swell soil section, is fine sand section between described borehole wall and described inclinometer pipe bottom and between described borehole wall and flower pipe bottom, hole; Described borehole wall and flower pipe top, hole between and be sandstone section between described borehole wall and inclinometer pipe standard bottom.
Described inclinometer pipe is segmented inclinometer pipe, is connected between two sections and is connected by joint; Described water permeating board is arranged on the bottom of lowermost inclinometer pipe; During installation, often one section of inclinometer pipe is installed, then osmometer cable and this section of inclinometer pipe is fixed, and then next section of inclinometer pipe is installed, until inclinometer pipe standard bottom is placed at the bottom of drilling hole.
Compared with prior art, the beneficial effects of the utility model are: the utility model is except remaining deviational survey pore function, there is pressure measurement pore function equally, underground water can carry out Hua Kongguan smoothly, osmometer is normally worked, underground water enters in deviational survey pore by water permeating board simultaneously, and its water level also can adopt level measuring instrument to measure groundwater table, and the deviational survey pore and the pressure measurement pore that have been applicable to Geotechnical Monitoring combine layout specified conditions.Structure is simple, operating principle is clear, cost obviously reduces, effective.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model embodiment.
In the drawings:
1-standard inclinometer pipe, the modular connection of 2-inclinometer pipe, 3-water permeating board; 4-Hua Kongguan, 5-osmometer cable, 6-osmometer; 7-flower Kong Guanhua hole, 8-osmometer sand bag, 9-inclinometer pipe standard bottom; 10-adhesive tape, 11-cable protection pipe, 12-boring; 13-rock mass; 14-gravel section, 15-fine sand section, 16-swell soil section.
Detailed description of the invention
A kind of deviational survey hole osmometer device, as shown in Figure 1, be made up of standard inclinometer pipe 1, inclinometer pipe modular connection 2, water permeating board 3, flower hole pipe 4 and the inclinometer pipe standard bottom 9 be placed between modular connection, described standard inclinometer pipe 1 is segmented inclinometer pipe, and every section adopts modular connection 2 to connect; Described inclinometer pipe modular connection 2 connects for segmented standard inclinometer pipe 1; Described water permeating board 3 is PVC or aluminium matter or ABS circular slab, is drilled with circular hole in plate, is placed in and descends most between joint inclinometer pipe 1 and flower hole pipe 4 joint, and the underground water in flower hole pipe 4 can be made to carry out inclinometer pipe, and when can stop again monitoring, inclinometer gauge head continues descending; Described colored hole pipe 4 processes for standard inclinometer pipe 1; Evenly processing colored Kong Guanhua hole 7 at homogeneous tube, entering in pipe for managing outer underground water, and at bottom processing osmometer cable aperture, penetrate for osmometer cable 5; Lead and be placed at the bottom of hole when described inclinometer pipe standard bottom 9 is for installing.
Deviational survey hole installation osmometer method is as follows: first process eye plate 3 and flower hole pipe 4, and inspection before osmometer 6 being installed by code requirement and immersion, and outer burnt-in sand bag 8 on request, and be placed in colored hole pipe 4, osmometer cable 5 is placed in outside colored hole pipe 4 through cable aperture, add cable protection pipe 11 during poling to be protected, blend compounds band 10 bands together with flower hole pipe 4, trend upwards, inclinometer pipe standard bottom 9 is installed again, flower pipe 4 top, hole adopts modular connection 2 to be connected with standard inclinometer pipe 1, during connection, water permeating board 3 to be placed between two pipes and to adopt all-purpose adhesive to be solidified by joint, so far, the installation of deviational survey hole osmometer device.Connect down inclinometer pipe erection procedure routinely to install, unique difference be a joint inclinometer pipe is often installed need osmometer cable 5 and standard inclinometer pipe 1 to tie up, until inclinometer pipe standard bottom 9 is placed at the bottom of hole, backfill and slip casting is required afterwards by the pipe requirement of groundwater table hole, after backfilling gravel section 14, fine sand section 15, gravel section 14, swell soil section 16 successively, row slip casting, until slip casting section completes, namely completes the installation work of the inclinometer pipe having installed osmometer again.
The utility model will be further described for certain example below.
Single span simply supported steel box girder suspension cable grand bridge south, the Changjiang river bank is tunnel anchorage structure, in constructing tunnel process, to tunnel, tunnel anchorage wall rock geology condition is poor, and cavern excavation section comparatively large (maximum reach 20m x 22m), the oblique hole gradient large (46 °), cavern's spacing little (minimum 8m).Consider the complexity of wall rock geology condition, the uncertainty of rock mass condition and the impact of construction factor, in the construction stage, project security monitoring is carried out to periphery rock mass, monitoring project comprises deviational survey pore and the monitoring of groundwater table pore, former design deviational survey pore and groundwater table pore are arranged respectively, apply technical solutions of the utility model, unite two into one.
Boring is Φ 90mm hole, and degree of depth 40.8m, hole wall is intact, possesses inclinometer pipe mounting condition.Inclinometer pipe is the PVC standard inclinometer pipe 1 of Φ 70mm, and configure identical material and standard bottom 9, pipe range 2m, quantity is 1,20 modular connections 2 of 21 standard inclinometer pipes and 1 standard bottom 9.
Flower hole pipe 4 adopts standard inclinometer pipe 1 to process, length 3.2m, and surrounding is gathered Φ 6mm circular hole, and dislocation is arranged, circular hole penetrates tube wall, from 300mm place, top brill Φ 20 circular hole, passes for osmometer cable 5.Water permeating board 3 adopts PVC board to process, thickness 10mm, adds and becomes Φ 70 circular slab, and brill Φ 10mm hole is some onboard.And prepare material and the inclinometer pipe mounting auxiliaries such as screw, all-purpose adhesive, adhesive tape.
Inspection before osmometer 6 being installed by code requirement and immersion, and outer burnt-in sand bag 8 on request, and be placed in colored hole pipe 4, osmometer 6 gauge head is downward, osmometer cable 5 is placed in outside colored hole pipe 4 through cable aperture, add cable protection pipe 11 during poling to be protected, blend compounds band 10 bands together with flower hole pipe 4, trend upwards, the osmometer 6 being surrounded by sand bag 8 is adjusted at the bottom of pipe 4 pipe of colored hole before tying up, inclinometer pipe standard bottom 9 is installed again, flower pipe 4 top, hole adopts modular connection 2 to be connected with standard inclinometer pipe 1, during connection, water permeating board 3 to be placed between two pipes and to adopt all-purpose adhesive to be solidified by joint, so far, the installation of deviational survey hole osmometer device.
Next inclinometer pipe erection procedure is installed routinely, unique difference be a joint inclinometer pipe is often installed need osmometer cable 5 and standard inclinometer pipe 1 to tie up, until inclinometer pipe standard bottom 9 is placed at the bottom of hole, backfill and slip casting is required afterwards by the pipe requirement of groundwater table hole, backfill gravel section 14 successively, fine sand section 15, gravel section 14, after swell soil section 16 again row cement injection until slip casting section, wherein the first gravel section 14 segment length 80cm, fine sand section 15 segment length 80cm, second gravel section 14 segment length 60cm, swell soil section 16 segment length 100cm, amount to 320cm, this is groundwater table hole section, more than swell soil section to aperture, backfill cement mortar, this is deviational survey hole section, bentonitic effect prevents the cement mortar on top from entering groundwater table hole section.So far the installation work of the inclinometer pipe of osmometer, and routine has carried out aperture protection.
Monitor first after whole installation, deviational survey pore adopts inclinometer observation, groundwater table adopts readout instrument to read the reading of osmometer 6 and hydraulic pressure is converted into head measurement groundwater table elevation, also uses artificial water-level gauge simultaneously and measures, mutually verify.Through test, osmometer method and apparatus is installed in a kind of deviational survey hole can install osmometer in deviational survey hole, properly settles the problem of deviational survey pore and the unification of groundwater table pore holes.There is following considerable part:
1), structure is simple, cost is low, simple installation;
2), deviational survey and water table measure two functions realize simultaneously, are independent of each other, also do not affect monitoring accuracy;
3), be applicable to the specified conditions of geotechnical engineering monitoring, namely same position arranged by inclinometer pipe and groundwater table pipe.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Claims (5)
1. a deviational survey hole osmometer device, has boring (12); It is characterized in that, in described boring (12), be provided with inclinometer pipe (1), water permeating board (3), Hua Kongguan (4) and inclinometer pipe standard bottom (9); Described water permeating board (3) is installed between the bottom of inclinometer pipe (1) and Hua Kongguan (4) top, for separating inclinometer pipe (1) and Hua Kongguan (4); Described colored hole pipe (4) pipe is built with osmometer (6), and the bottom of this Hua Kongguan (4) is provided with inclinometer pipe standard bottom (9).
2. deviational survey hole according to claim 1 osmometer device, is characterized in that, is provided with filler between described boring (12) hole wall and described inclinometer pipe (1), water permeating board (3), Hua Kongguan (4), inclinometer pipe standard bottom (9).
3. deviational survey hole according to claim 1 osmometer device, it is characterized in that, the filler between described boring (12) hole wall and institute's deviational survey hole osmometer device is followed successively by sandstone section (14), fine sand section (15), sandstone section (14) and swell soil section (16) at the bottom of hole to device top.
4. according to the deviational survey hole osmometer device one of claim 1 ~ 3 Suo Shu, it is characterized in that, described inclinometer pipe (1) is segmented inclinometer pipe, is connected between two sections and is connected by joint (2); Described water permeating board (3) is arranged on the bottom of lowermost inclinometer pipe.
5. according to the deviational survey hole osmometer device one of claim 1 ~ 3 Suo Shu, it is characterized in that, described water permeating board (3) is PVC board or aluminum plate or ABS plate, plate has some water seepage holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420709111.5U CN204252103U (en) | 2014-11-24 | 2014-11-24 | A kind of deviational survey hole osmometer device |
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| CN201420709111.5U CN204252103U (en) | 2014-11-24 | 2014-11-24 | A kind of deviational survey hole osmometer device |
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| CN204252103U true CN204252103U (en) | 2015-04-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329076A (en) * | 2014-11-24 | 2015-02-04 | 中国电建集团中南勘测设计研究院有限公司 | Inclination measuring hole osmometer device and installation method |
| CN105696540A (en) * | 2015-08-25 | 2016-06-22 | 北京中力智研物联科技有限公司 | Measuring method and device for foundation pit deep horizontal displacement and underground water level |
| CN107036756A (en) * | 2017-06-06 | 2017-08-11 | 中国水利水电科学研究院 | A kind of rear flush type can multiple spot simultaneously measure seepage action of ground water pressure monitoring device |
| CN114593707A (en) * | 2022-03-14 | 2022-06-07 | 湖南科技大学 | Integrated monitoring device and monitoring method for soil body displacement and underground water level |
-
2014
- 2014-11-24 CN CN201420709111.5U patent/CN204252103U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329076A (en) * | 2014-11-24 | 2015-02-04 | 中国电建集团中南勘测设计研究院有限公司 | Inclination measuring hole osmometer device and installation method |
| CN104329076B (en) * | 2014-11-24 | 2017-03-15 | 中国电建集团中南勘测设计研究院有限公司 | A kind of deviational survey hole osmotic pressure counter device and installation method |
| CN105696540A (en) * | 2015-08-25 | 2016-06-22 | 北京中力智研物联科技有限公司 | Measuring method and device for foundation pit deep horizontal displacement and underground water level |
| CN107036756A (en) * | 2017-06-06 | 2017-08-11 | 中国水利水电科学研究院 | A kind of rear flush type can multiple spot simultaneously measure seepage action of ground water pressure monitoring device |
| CN114593707A (en) * | 2022-03-14 | 2022-06-07 | 湖南科技大学 | Integrated monitoring device and monitoring method for soil body displacement and underground water level |
| CN114593707B (en) * | 2022-03-14 | 2024-02-23 | 湖南科技大学 | Soil body displacement and underground water level integrated monitoring device and monitoring method |
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