CN201535732U - Combined loess seepage detection instrument - Google Patents
Combined loess seepage detection instrument Download PDFInfo
- Publication number
- CN201535732U CN201535732U CN200920245302XU CN200920245302U CN201535732U CN 201535732 U CN201535732 U CN 201535732U CN 200920245302X U CN200920245302X U CN 200920245302XU CN 200920245302 U CN200920245302 U CN 200920245302U CN 201535732 U CN201535732 U CN 201535732U
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- Prior art keywords
- sample tube
- loess
- seepage
- water
- combined
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Abstract
The utility model discloses a combined loess seepage detection instrument, comprising a frame and a combined sample barrel arranged on the frame. One side of the sample barrel is provided with a lateral limiting board which is provided with a round hole at the center thereof, one side of the wall of the combined sample barrel is equidistantly provided with a plurality of pressure testers, and the other end of the combined sample barrel is communicated with a water pressure chamber. A water filtering board is arranged between the water pressure chamber and the combined sample barrel, and is provided with a plurality of water holes at the center thereof. The water pressure chamber is communicated with a water supply system. The combined loess seepage detection instrument has the following characteristics: loess seepage forms can be determined, indexes of loess seepage conditions can be effectively measured quantitatively; measurement process of the detection instrument is easy to observe, the sample barrel is not easy to become corroded or deform; scouring tests of preset holes or preset cracks can be implemented; assembly and disassembly are convenient, transportation is easy to complete; manufacture cost is low, and promotion and utilization are easy.
Description
Technical field
The utility model belongs to the geologic survey technical field, relates to a kind of instrument of testing the loess seepage failure, is specifically related to a kind of combined type loess seepage failure analyzer.
Background technology
The loess seepage failure is meant the breakoff phenomenon that loess takes place under the seepage force effect, " stream soil " and " dash forward and gush " is the most commonly arranged." stream soil " is meant under the seepage force effect in any direction, the whole simultaneously starting of all particles in the local soil body in the saturated soil body and the phenomenon that bulging takes place, move or run off is called stream soil." prominent gushing " comprises that two kinds of situations, a kind of situation are meant that the head that produces is little when the head ratio of soil body destruction has steady seepage, will make the soil body destroy in case produce seepage flow in the soil layer; Another kind of situation is meant that the seepage force that surpasses soil body breakdown strength applies suddenly, also has little time to produce seepage flow in that part of soil body that takes place to destroy destruction has just been taken place, and both of these case all is referred to as prominent gushing.Loess seepage failure problem has related generally to numerous industry fields such as the Hydraulic and Hydro-Power Engineering, civil engineering work, railway engineering, highway engineering, port engineering, the engineering of preventing and reducing natural disasters, farmland water conservancy works, mine engineering, construction work, environment-friendly engineering in loess distribution district, along with constantly carrying out of all kinds of engineering construction activities, it is more and more outstanding that the engineering geological problems relevant with seepage failure become, and it determines and affect design, construction and the maintenance of all kinds of engineerings to a great extent.Owing to the diversity of loess seepage failure effect generation environment, the complicacy of the mode of action, the reasons such as randomness of generating process, make the research of this aspect also have a series of deficiency, outstanding behaviours is difficult to quantitatively determine in seepage failure critical condition (shooting conditions).Also there is not the custom-designed testing tool of critical condition at present for " prominent gushing " and " stream soil " generation of determining loess.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of combined type loess seepage failure analyzer is provided, it can judge loess seepage failure form, and effective quantitative measurement loess seepage failure conditional indicator, the tester test process is easy to observe, and tester sample tube is difficult for taking place corrosion or distortion, can carry out the washout test in reserving hole or reservation crack; Installing/dismounting is very convenient, transportation easily, and production cost is low, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: a kind of combined type loess seepage failure analyzer, comprise support, it is characterized in that: described support is provided with combination sample tube, described combination sample tube one side is provided with the lateral confinement plate, described lateral confinement plate center is provided with circular hole, the barrel one side spaced set of described combination sample tube has a plurality of pressure test meters, the other end of described combination sample tube is connected with hydraulic chamber, be provided with water filter plate between described hydraulic chamber and the combination sample tube, this water filter plate middle part is provided with a plurality of water holes, and described hydraulic chamber is connected with water system by pipeline.
Described combination sample tube is interconnected by the sample tube of a plurality of equal diameters and forms, and is connected by flange between the described adjacent sample tube, is provided with the watertight rubber packing ring between described sample tube and the flange.
Described combination sample tube is connected by flange with hydraulic chamber.
Described combination sample tube and hydraulic chamber all are installed on the frame by clips.
The utility model compared with prior art has the following advantages:
(1) can judge loess seepage failure form, and effective quantitative measurement loess seepage failure conditional indicator;
(2) the tester test process is easy to observe, and the sample tube selects for use pmma material to make, and can guarantee the transparency of test process, and is difficult for taking place corrosion or distortion;
(3) lateral confinement plate center reserving hole size can be according to the requirement of measuring accuracy and artificial the setting, also can carry out reserving hole simultaneously or reserve the washout test in crack;
(4) this combined type loess seepage failure analyzer installing/dismounting is very convenient, is convenient to very much transportation;
(5) a lot of parts of this combined type loess seepage failure analyzer all are highly susceptible to producing or buying, thereby its production cost is very low, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the front view of the utility model lateral confinement plate.
Fig. 3 is the A-A cut-open view of Fig. 2.
Fig. 4 is the front view of the utility model water filter plate.
Fig. 5 is the B-B cut-open view of Fig. 4.
Description of reference numerals:
The 1-support; 2-combination sample tube; 3-lateral confinement plate;
The 4-circular hole; 5-pressure test meter; 6-hydraulic chamber;
The 7-water filter plate; The 8-water hole; The 9-water system;
10-watertight rubber packing ring; The 11-clips.
Embodiment
As Fig. 1-a kind of combined type loess seepage failure analyzer shown in Figure 5, comprise support 1, described support 1 is provided with combination sample tube 2, one side of described combination sample tube 2 is provided with lateral confinement plate 3, described lateral confinement plate 3 centers are provided with circular hole 4, the barrel one side spaced set of described combination sample tube 2 has a plurality of pressure test meters 5, the other end of described combination sample tube 2 is connected with hydraulic chamber 6, be provided with water filter plate 7 between described hydraulic chamber 6 and the combination sample tube 2, these water filter plate 7 middle parts are provided with a plurality of water holes 8, and described hydraulic chamber 6 is connected with water system 9 by pipeline.
As shown in Figure 1, described combination sample tube 2 is interconnected by the sample tube of a plurality of equal diameters and forms, and is connected by flange between the described adjacent sample tube, is provided with watertight rubber packing ring 10 between described sample tube and the flange.The organic glass cylinder that combination sample tube 2 is respectively 5cm, 10cm, 20cm and 40cm by length interconnects and forms, can freely form length is the combination sample tube 2 of 5cm, 10cm, 15cm, 20cm, 25cm, 30cm, 35cm, 40cm, 45cm, 50cm, 55cm, 60cm, 65cm, 70cm and 75cm, sample tube internal diameter 23.6, external diameter 24.6cm, connected by flange and watertight rubber packing ring, watertight rubber packing ring 10 can guarantee in the test process water-tight.
As shown in Figure 1, described combination sample tube 2 and hydraulic chamber 6 are connected by flange.Hydraulic chamber 6 is the organic glass cylinder of the long 16cm of internal diameter 23.6cm external diameter 24.6cm, and hydraulic chamber 6 establishes water inlet, a side seal, and opposite side is provided with water filter plate 7 and is connected with combination sample tube 2 by ring flange.Water filter plate 7 middle parts are provided with a plurality of water holes 8, can guarantee that the water in the hydraulic chamber 6 enters combination sample tube 2 smoothly, can also prevent effectively that the soil sample in the sample tube from entering in the hydraulic chamber 6.
As shown in Figure 1, described combination sample tube 2 and hydraulic chamber 6 all are installed on the frame 1 by clips 11.Clips 11 can guarantee to make up sample tube 2 and hydraulic chamber 6 is fixed on frame 1.
The course of work of the utility model combined type loess seepage failure analyzer is: at first take by weighing a certain amount of dry ground and water separately according to operating condition of test design and put into container and evenly stir, the soil sample that stirs is put into combination sample tube 2, in combination sample tube 2, hit real soil sample by design water cut and density.To make up sample tube 2 and lie in a horizontal plane on the support 1, will make up sample tube 2 and lateral confinement plate 3, combination sample tube 2 and hydraulic chamber 6 and will make up sample tube 2 with clips 11 respectively and hydraulic chamber 6 is fixed on the support 1 with ring flange.
Open water system 9, by design discharge water filling in combination sample tube 2, current enter in the combination sample tube 2 by water filter plate 7.Under effect of water pressure, the circular hole 4 of soil sample through lateral confinement plate 3 centers in the combination sample tube 2 is extruded.
Soil sample in combination sample tube 2 is extruded in the process of circular hole 4, observes a plurality of pressure test meters 5 that combination sample tube 2 barrel equal intervals are provided with, and the record related data.
Can test pleurapophysis when this tester is horizontally disposed, it is prominent to test the rostellum and the end in the time of vertically disposed, and the size of circular hole 4 is reserved at center, lateral confinement plate 3 center can be according to the requirement of measuring accuracy and artificial the setting.This tester also can change the shape of center, lateral confinement plate 3 center preformed hole, carries out the washout test in reserving hole or reservation crack.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. combined type loess seepage failure analyzer, comprise support (1), it is characterized in that: described support (1) is provided with combination sample tube (2), one side of described combination sample tube (2) is provided with lateral confinement plate (3), described lateral confinement plate (3) center is provided with circular hole (4), the barrel one side spaced set of described combination sample tube (2) has a plurality of pressure test meters (5), the other end of described combination sample tube (2) is connected with hydraulic chamber (6), be provided with water filter plate (7) between described hydraulic chamber (6) and the combination sample tube (2), this water filter plate (7) middle part is provided with a plurality of water holes (8), and described hydraulic chamber (6) is connected with water system (9) by pipeline.
2. according to the described combined type loess of claim 1 seepage failure analyzer, it is characterized in that: described combination sample tube (2) is interconnected by the sample tube of a plurality of equal diameters and forms, be connected by flange between the described adjacent sample tube, be provided with watertight rubber packing ring (10) between described sample tube and the flange.
3. according to the described combined type loess of claim 1 seepage failure analyzer, it is characterized in that: described combination sample tube (2) is connected by flange with hydraulic chamber (6).
4. according to the described combined type loess of claim 1 seepage failure analyzer, it is characterized in that: described combination sample tube (2) and hydraulic chamber (6) all are installed on the frame (1) by clips (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920245302XU CN201535732U (en) | 2009-11-18 | 2009-11-18 | Combined loess seepage detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920245302XU CN201535732U (en) | 2009-11-18 | 2009-11-18 | Combined loess seepage detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535732U true CN201535732U (en) | 2010-07-28 |
Family
ID=42535511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920245302XU Expired - Fee Related CN201535732U (en) | 2009-11-18 | 2009-11-18 | Combined loess seepage detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914483A (en) * | 2012-10-24 | 2013-02-06 | 中国矿业大学(北京) | Method for high-pressure infiltration experiment of deep undisturbed clay |
| CN108416182A (en) * | 2018-05-31 | 2018-08-17 | 长安大学 | A kind of design method of the bright ditch vibration isolation based on quantitative analysis |
-
2009
- 2009-11-18 CN CN200920245302XU patent/CN201535732U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914483A (en) * | 2012-10-24 | 2013-02-06 | 中国矿业大学(北京) | Method for high-pressure infiltration experiment of deep undisturbed clay |
| CN108416182A (en) * | 2018-05-31 | 2018-08-17 | 长安大学 | A kind of design method of the bright ditch vibration isolation based on quantitative analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20101118 |