CN102353607A - Contractometer - Google Patents
Contractometer Download PDFInfo
- Publication number
- CN102353607A CN102353607A CN2011101603500A CN201110160350A CN102353607A CN 102353607 A CN102353607 A CN 102353607A CN 2011101603500 A CN2011101603500 A CN 2011101603500A CN 201110160350 A CN201110160350 A CN 201110160350A CN 102353607 A CN102353607 A CN 102353607A
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- China
- Prior art keywords
- container
- force plate
- level
- soil sample
- clock gauge
- 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.)
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- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a contractometer, at least comprising a base, a container arranged above the base, a vertical dial indicator and a horizontal dial indicator, wherein, the container comprises a base plate and side walls, a cuboid soil sample is arranged in the container, a vertical force plate arranged above the cuboid soil sample, more than one sidewall of the cuboid soil sample lean against a horizontal force plate which can move along with the sidewall with the contraction of the soil sample, the horizontal force plate is provided with a hollow dial indicator erection column, the vertical dial indicator is in close contact with the vertical force plate and vertical to the vertical force plate, the horizontal dial indicator is inserted in the dial indicator erection column through a dial indicator port arranged on the container sidewall, the horizontal dial indicator is vertical to the horizontal force plate, and the container sidewalls, the vertical force plate and the horizontal force plate are all provided with water permeable holes. The contractometer can be used for simultaneously observing the vertical and horizontal shrinkage deformations of the soil sample.
Description
Technical field
The present invention relates to a kind of retractometer.
Background technology
The existing retractometer that is used to measure the drawdown deformation of cylindrical soil sample can only observe soil sample vertically to drawdown deformation, can't measure the soil sample level to drawdown deformation.
Summary of the invention
For solving the aforementioned problems in the prior, the present invention provides a kind of retractometer, retractometer provided by the invention can observe simultaneously soil sample vertically to and level to drawdown deformation.
For reaching above-mentioned purpose; The present invention adopts following technical scheme: a kind of retractometer; At least comprise base, place the container of base top, vertically to clock gauge and level to clock gauge; Container is made up of base plate and sidewall, and the rectangular parallelepiped soil sample places container, and the top of rectangular parallelepiped soil sample is placed with vertically to force plate; One of the rectangular parallelepiped soil sample has the level that can be with the contraction of soil sample moves along the normal direction of this sidewall to force plate to lean on the upper side wall; Level is provided with hollow clock gauge erection column to force plate, vertically closely contacts and perpendicular to force plate with vertical to clock gauge, and level is passed the clock gauge of being located on the container side wall to clock gauge and penetrated the hole and be plugged in the clock gauge erection column and with it and closely cooperate; And level is vertical to force plate with level to clock gauge, the sidewall of container, vertically on force plate, all has permeable hole to force plate and level.
Level is two, leans on left and right two sidewalls of rectangular parallelepiped soil sample respectively to force plate, on container floor, is provided with the mounting groove of the and arranged on left and right sides of two soil samples that are placed in that are parallel to each other, and level is in force plate is intercalated in mounting groove.
Lean on former and later two sidewalls of rectangular parallelepiped soil sample the limiting plate that has permeable hole is arranged; Container is cuboid; On the left and right sidewall of cuboid container, be respectively equipped with two pairs of draw-in grooves, the be placed in forward and backward side of rectangle soil sample of two pairs of draw-in grooves, limiting plate closely is installed in the draw-in groove.
Said limiting plate is processed by organic glass.
Clock gauge penetrates the hole and is provided with O-ring seal.
The base plate of container is provided with water storage tank, and the organic glass porous disc that has permeable hole is stamped in the top of water storage tank.
Container, vertically process by organic glass to force plate to force plate, level, base is processed by metal material.
The top of base is provided with the balance globule, and the below of base is provided with set screw.
Compared with prior art, retractometer provided by the invention has the following advantages:
Can observe simultaneously soil sample vertically to and level to drawdown deformation; Simple in structure; Container is processed by organic glass, is convenient to Direct observation.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of retractometer of the present invention.
Among the figure: the 1-base; The 2-container; The 3-permeable hole; 4-is vertically to force plate; 5-is vertically to clock gauge; The 6-level is to clock gauge; The 7-level is to force plate; The 8-clock gauge penetrates the hole; The 9-limiting plate; The 10-water storage tank; The 11-porous disc; 12-clock gauge erection column; The 13-balance globule; The 14-set screw.
Embodiment
To combine specific embodiment that retractometer provided by the invention is explained further details below.
As shown in fig. 1, retractometer of the present invention comprises base 1 at least, places the container 2 of base 1 top, vertically to clock gauge 5 and level to clock gauge 6.Cuboid is formed and be to container 2 by base plate and sidewall, has permeable hole 3 on the sidewall of container 2.
The top of rectangular parallelepiped soil sample be placed with have permeable hole 3 vertically to force plate 4, vertically closely contact also perpendicular with vertical to force plate 4 to clock gauge 5.
Lean on left and right two sidewalls of rectangular parallelepiped soil sample have can the normal direction of these two sidewalls outwards moves in capillary effect lower edge with the contraction of soil sample level to force plate 7; Level has permeable hole 3 and is provided with hollow clock gauge erection column 12 on force plate 7; On container 2 base plates, be provided with the mounting groove of the and arranged on left and right sides of two soil samples that are placed in that are parallel to each other; Level is intercalated in the mounting groove to force plate 7; Two levels are passed clock gauge on the left and right sidewall of being located at container 2 separately to clock gauge 6 and are penetrated hole 8 and be plugged in the clock gauge erection column 12 and with it and closely cooperate; And level is vertical to force plate 7 with level to clock gauge 6, and clock gauge penetrates hole 8 and is provided with O-ring seal.
Lean on former and later two sidewalls of rectangular parallelepiped soil sample the limiting plate 9 that has permeable hole 3 is arranged; On the left and right sidewall of cuboid container 2, be respectively equipped with two pairs of draw-in grooves; The be placed in forward and backward side of rectangle soil sample of two pairs of draw-in grooves, limiting plate 9 closely is installed in the draw-in groove.Limiting plate 9 is processed by organic glass.
The base plate of container 2 is provided with water storage tank 10, and the organic glass porous disc 11 that has permeable hole 3 is stamped in the top of water storage tank 10.
The top of base 1 is provided with the balance globule 13, and the below of base 1 is provided with set screw 14.
The operating process of retractometer provided by the invention is following:
(1) retractometer is placed on the fixing smooth table top, the set screw of adjustment instrument base below, the state of the optical viewer base top balance globule makes instrument be in level.
(2) the rectangular parallelepiped soil sample that will cut in advance is placed in the container, around soil sample, spreads infiltration filter paper.
(3) forward and backward limiting plate closely is installed in the draw-in groove on the left and right sidewall of being located at the cuboid container.
(4) with left and right level in force plate is intercalated in the mounting groove of being located on the container floor.
(5) three clock gauges are installed on the place on top, left side and the right side of soil sample respectively, and with each clock gauge zeroing.
(6) along with the loss of moisture in the soil sample, soil sample will produce gradually vertically to level to contraction.
(7), observe in good time, write down the numerical value of each clock gauge, if continuous three times deformation values all in＜0.005mm scope, thinks that then shrinkage test reaches stable by the requirement of test specification time observation.
(8) soil sample is taken out from container and the quality of weighing test soil sample on analytical balance.
(9) after experiment is accomplished, the wiping retractometer, and smear conserve oil, in order to subnormal use down.
Claims (8)
1. retractometer; It is characterized in that: comprise base at least, place the container of base top, vertically to clock gauge and level to clock gauge; Container is made up of base plate and sidewall, and the rectangular parallelepiped soil sample places container, and the top of rectangular parallelepiped soil sample is placed with vertically to force plate; One of the rectangular parallelepiped soil sample has the level that can be with the contraction of soil sample moves along the normal direction of this sidewall to force plate to lean on the upper side wall; Level is provided with hollow clock gauge erection column to force plate, vertically closely contacts and perpendicular to force plate with vertical to clock gauge, and level is passed the clock gauge of being located on the container side wall to clock gauge and penetrated the hole and be plugged in the clock gauge erection column and with it and closely cooperate; And level is vertical to force plate with level to clock gauge, the sidewall of container, vertically on force plate, all has permeable hole to force plate and level.
2. retractometer according to claim 1; It is characterized in that: level is two, leans on left and right two sidewalls of rectangular parallelepiped soil sample respectively to force plate; On container floor, be provided with the mounting groove of the and arranged on left and right sides of two soil samples that are placed in that are parallel to each other, level is in force plate is intercalated in mounting groove.
3. retractometer according to claim 2; It is characterized in that: leaning on former and later two sidewalls of rectangular parallelepiped soil sample has the limiting plate that has permeable hole; Container is cuboid; On the left and right sidewall of cuboid container, be respectively equipped with two pairs of draw-in grooves, the be placed in forward and backward side of rectangle soil sample of two pairs of draw-in grooves, limiting plate closely is installed in the draw-in groove.
4. retractometer according to claim 3 is characterized in that: said limiting plate is processed by organic glass.
5. retractometer according to claim 1, it is characterized in that: clock gauge penetrates the hole and is provided with O-ring seal.
6. retractometer according to claim 1 is characterized in that: the base plate of container is provided with water storage tank, and the organic glass porous disc that has permeable hole is stamped in the top of water storage tank.
7. retractometer according to claim 1 is characterized in that: container, vertically process by organic glass to force plate to force plate, level, base is processed by metal material.
8. retractometer according to claim 1 is characterized in that: the top of base is provided with the balance globule, and the below of base is provided with set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101603500A CN102353607A (en) | 2011-06-15 | 2011-06-15 | Contractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101603500A CN102353607A (en) | 2011-06-15 | 2011-06-15 | Contractometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102353607A true CN102353607A (en) | 2012-02-15 |
Family
ID=45577214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101603500A Pending CN102353607A (en) | 2011-06-15 | 2011-06-15 | Contractometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102353607A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323576A (en) * | 2013-06-09 | 2013-09-25 | 河海大学 | True three-dimensional swell-shrink instrument |
| CN103822845A (en) * | 2014-01-17 | 2014-05-28 | 哈尔滨工业大学深圳研究生院 | Anisotropy measurement device and measurement method of hydraulic characteristic of unsaturated soil body |
| CN113390784A (en) * | 2021-06-24 | 2021-09-14 | 深圳市市政工程总公司 | Shrinkage performance detection method for slag soil fluidized backfill material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10123663A1 (en) * | 2001-05-15 | 2001-11-15 | Markus Greim | Device for measuring deformation of mortar in two directions under different temperature conditions has sensors for simultaneous measurement of vertical and horizontal mortar movement |
| CN101699257A (en) * | 2009-10-28 | 2010-04-28 | 河海大学 | Planar and lateral strain controlled triaxial apparatus |
| CN201508358U (en) * | 2009-09-23 | 2010-06-16 | 交通部公路科学研究所 | Early expansion and contraction tester of concrete road slab bottom grouting material |
| CN101178395B (en) * | 2007-12-05 | 2010-12-22 | 中国科学院武汉岩土力学研究所 | Non-contact type rock three-way shrinkage test device |
-
2011
- 2011-06-15 CN CN2011101603500A patent/CN102353607A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10123663A1 (en) * | 2001-05-15 | 2001-11-15 | Markus Greim | Device for measuring deformation of mortar in two directions under different temperature conditions has sensors for simultaneous measurement of vertical and horizontal mortar movement |
| CN101178395B (en) * | 2007-12-05 | 2010-12-22 | 中国科学院武汉岩土力学研究所 | Non-contact type rock three-way shrinkage test device |
| CN201508358U (en) * | 2009-09-23 | 2010-06-16 | 交通部公路科学研究所 | Early expansion and contraction tester of concrete road slab bottom grouting material |
| CN101699257A (en) * | 2009-10-28 | 2010-04-28 | 河海大学 | Planar and lateral strain controlled triaxial apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323576A (en) * | 2013-06-09 | 2013-09-25 | 河海大学 | True three-dimensional swell-shrink instrument |
| CN103822845A (en) * | 2014-01-17 | 2014-05-28 | 哈尔滨工业大学深圳研究生院 | Anisotropy measurement device and measurement method of hydraulic characteristic of unsaturated soil body |
| CN113390784A (en) * | 2021-06-24 | 2021-09-14 | 深圳市市政工程总公司 | Shrinkage performance detection method for slag soil fluidized backfill material |
| CN113390784B (en) * | 2021-06-24 | 2023-08-18 | 深圳市市政工程总公司 | Method for detecting shrinkage performance of slag soil fluidization backfill material |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120215 |