CN203224491U - Soil-engineering drying shrinkage measuring device - Google Patents
Soil-engineering drying shrinkage measuring device Download PDFInfo
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- CN203224491U CN203224491U CN 201320127192 CN201320127192U CN203224491U CN 203224491 U CN203224491 U CN 203224491U CN 201320127192 CN201320127192 CN 201320127192 CN 201320127192 U CN201320127192 U CN 201320127192U CN 203224491 U CN203224491 U CN 203224491U
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Abstract
The utility model relates to a soil-engineering drying shrinkage measuring device. The soil-engineering drying shrinkage measuring device comprises a constant-temperature generator, a constant-humidity generator, a receiving body and a shrinkage amount detector connected with a computer, wherein a bearing plate is arranged in the receiving body to divide the inside space of the receiving body into an upper receiving space and a lower receiving space; through holes are formed in the bearing plate; the constant-temperature generator and the constant-humidity generator are arranged in the lower receiving space of the receiving body; the shrinkage amount detector is arranged on the top of the receiving body; a detection contact of the shrinkage amount detector extends into the upper receiving space of the receiving body from the top of the receiving body so as to contact a soil-engineering test block which is arranged on the bearing plate and positioned in the upper receiving space. By adopting the soil-engineering drying shrinkage measuring device, the accuracy for measuring the soil-engineering drying shrinkage can be improved.
Description
Technical field:
The utility model relates to a kind of measurement mechanism, particularly the dry measurement mechanism that shrinks of a kind of geotechnique.
Background technology:
The dry contraction: be in airborne soil, when internal moisture is lost, can cause volumetric contraction.
Soil and modification soil are widely applied in the engineering construction.But this class material is applied in the engineering, when humidity and variation of temperature, bigger contraction is arranged, thereby can produce contraction fissure, causes that the harm of engineering cracking is serious.
The accurate mensuration of the safety coefficient of soil is particularly important.But existing geotechnological dry some shortcomings of test existence of shrinking: 1. the fog room volume of test block placement is bigger, and constant temperature and humidity is difficulty relatively; 2. amount of contraction is generally used dial gauge and is finished by manually-operated, and precision is lower, and test procedure is loaded down with trivial details.
Summary of the invention:
In view of this, be necessary to provide a kind of and can improve the dry measurement mechanism that shrinks of the geotechnique who measures geotechnological dry amount of contraction accuracy.
The dry measurement mechanism that shrinks of a kind of geotechnique comprises: constant temperature generator, constant humidity generator, host body, the stroke detecting device that can be connected with computing machine.Host body inside is provided with loading plate, be divided into receiving space, following receiving space with the inner space with host body, offer through hole on the loading plate, constant temperature generator, constant humidity generator are arranged on the following receiving space of host body, the stroke detecting device is arranged on the top of host body, and the detection contact of stroke detecting device stretches to the last receiving space of host body from the top of host body, with guarantee be placed on loading plate on and the geotechnological test block that is arranged in receiving space contact.
Preferably, host body comprises bracing frame, organic glass casing, and the organic glass casing is fixed in the bracing frame, and described loading plate is set in the organic glass casing, is divided into receiving space, following receiving space with the inner space with machine glass casing.
Preferably, bracing frame adopts metallicl magnetic material to make, and bracing frame is rectangular-shaped or cube-shaped; The geotechnique is dry, and the measurement mechanism that shrinks also comprises magnetic bracket, magnetic bracket comprises support member and the fixture that is connected with support member, support member is vertical mutually with fixture, support member is fixed on the bracing frame by magnetic force, and fixture is positioned at organic glass casing top, the stroke detecting device is arranged on the fixture, and the top of the detection contact slave glass casing of stroke detecting device stretches in the last receiving space of machine glass casing.
Preferably, the stroke detecting device is displacement transducer.
When utilizing the dry contraction of above-mentioned geotechnique measurement mechanism to measure geotechnique's amount of contraction, utilize the constant temperature generator to make the interior last receiving space of host body, it is constant that temperature in the following receiving space keeps, utilize the constant humidity generator to make the interior last receiving space of host body, it is constant that humidity in the following receiving space keeps, the geotechnological test block of the reaction that makes the stroke detecting device produce is at constant temperature, the dry amount of contraction signal of dry amount of contraction in the environment of constant humidity, and the dry amount of contraction calculated signals machine that the stroke detecting device is produced, this computing machine can go out the higher geotechnological dry amount of contraction of accuracy according to the dry amount of contraction calculated signals that the stroke detecting device produces.
Description of drawings:
Fig. 1 is the dry cross-sectional view of shrinking measurement mechanism of the geotechnique of a preferred embodiments.
Fig. 2 is the structural representation at the host body top among Fig. 1.
Fig. 3 is the structural representation of the loading plate among Fig. 1.
Among the figure: the dry contraction of geotechnique measurement mechanism 10, constant temperature generator 11, constant humidity generator 12, host body 13, bracing frame 131, organic glass casing 132, through hole 1320, stroke detecting device 14, detection contact 141, loading plate 15, through hole 151, magnetic bracket 16, support member 161, fixture 162, upward receiving space 20, receiving space 30, geotechnological test block 40 down.
Embodiment:
Please referring to Fig. 1 and Fig. 2, the geotechnique is dry to shrink measurement mechanism 10 and comprises constant temperature generator 11, constant humidity generator 12, host body 13, the stroke detecting device 14 that can be connected with computing machine.
Please be simultaneously referring to Fig. 3, host body 13 inside are provided with loading plate 15, be divided into receiving space 20 with the inner space with host body 13, following receiving space 30, offer through hole 151 on the loading plate 15, constant temperature generator 11, constant humidity generator 12 is arranged on the following receiving space 30 of host body 13, stroke detecting device 14 is arranged on the top of host body 13, and the detection contact 141 of stroke detecting device 14 stretches to the last receiving space 20 of host body 13 from the top of host body 13, with guarantee be placed on loading plate 15 on and the geotechnological test block 40 that is arranged in receiving space 20 contact.Wherein, constant temperature generator 11 is used for making last receiving space 20 in the host body 13, the temperature of receiving space 30 keeps constant down, and constant humidity generator 12 is used for making the humidity maintenance of the last receiving space 20 in the host body 13, following receiving space 30 constant.
In the present embodiment, host body 13 comprises bracing frame 131, organic glass casing 132, organic glass casing 132 is fixed in the bracing frame 131, described loading plate 15 is set in the organic glass casing 132, is divided into described receiving space 20, the following receiving space 30 gone up with the inner space with machine glass casing 132; Bracing frame 131 adopts metallicl magnetic materials to make, and bracing frame 131 is rectangular-shaped, and in other embodiments, bracing frame 131 is cube-shaped.For example can offer the through hole 1320 that the detection contact 141 for stroke detecting device 14 passes at the top of organic glass casing 132, so conveniently the detection contact 141 of contracting amount detector 14 stretches into the described receiving space 20 of going up.
In the present embodiment, the geotechnique is dry, and the measurement mechanism 10 that shrinks also comprises magnetic bracket 16, magnetic bracket 16 comprises support member 161 and the fixture 162 that is connected with support member 161, support member 161 is vertical mutually with fixture 162, support member 161 is fixed on the bracing frame 131 by magnetic force, and fixture 162 is positioned at organic glass casing 132 tops, stroke detecting device 14 is arranged on the fixture 162, and the top of the detection contact 141 slave glass casings 131 of stroke detecting device 14 stretches in the last receiving space 20 of machine glass casing 131, and stroke detecting device 14 is displacement transducer.
Utilize above-mentioned geotechnique dry shrink measurement mechanism measure the geotechnique amount of contraction the time, utilize constant temperature generator 11 to make last receiving space 20 in the host body 13, it is constant that temperature in the following receiving space 30 keeps, utilize constant humidity generator 12 to make last receiving space 20 in the host body 13, it is constant that humidity in the following receiving space 30 keeps, the geotechnological test block 40 of the reaction that makes stroke detecting device 14 produce is at constant temperature, the dry amount of contraction signal of dry amount of contraction in the environment of constant humidity, and the dry amount of contraction calculated signals machine that stroke detecting device 14 is produced, this computing machine can go out the higher geotechnological dry amount of contraction of accuracy according to the dry amount of contraction calculated signals that stroke detecting device 14 produces.
Claims (4)
1. dry measurement mechanism that shrinks of geotechnique is characterized in that: described geotechnique is dry to shrink measurement mechanism and comprises constant temperature generator, constant humidity generator, host body, the stroke detecting device that can be connected with computing machine; Host body inside is provided with loading plate, be divided into receiving space, following receiving space with the inner space with host body, offer through hole on the loading plate, constant temperature generator, constant humidity generator are arranged on the following receiving space of host body, the stroke detecting device is arranged on the top of host body, and the detection contact of stroke detecting device stretches to the last receiving space of host body from the top of host body, with guarantee be placed on loading plate on and the geotechnological test block that is arranged in receiving space contact.
2. geotechnique's drying according to claim 1 is shunk measurement mechanism, it is characterized in that: host body comprises bracing frame, organic glass casing, the organic glass casing is fixed in the bracing frame, described loading plate is set in the organic glass casing, is divided into receiving space, following receiving space with the inner space with the organic glass casing.
3. geotechnique's drying according to claim 2 is shunk measurement mechanism, it is characterized in that: bracing frame adopts metallicl magnetic material to make, and bracing frame is rectangular-shaped or cube-shaped; The geotechnique is dry, and the measurement mechanism that shrinks also comprises magnetic bracket, magnetic bracket comprises support member and the fixture that is connected with support member, support member is vertical mutually with fixture, support member is fixed on the bracing frame by magnetic force, and fixture is positioned at organic glass casing top, the stroke detecting device is arranged on the fixture, and the detection contact of stroke detecting device stretches to the last receiving space of organic glass casing from the top of organic glass casing.
4. geotechnique's drying according to claim 1 is shunk measurement mechanism, and it is characterized in that: the stroke detecting device is displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127192 CN203224491U (en) | 2013-03-20 | 2013-03-20 | Soil-engineering drying shrinkage measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127192 CN203224491U (en) | 2013-03-20 | 2013-03-20 | Soil-engineering drying shrinkage measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224491U true CN203224491U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127192 Expired - Fee Related CN203224491U (en) | 2013-03-20 | 2013-03-20 | Soil-engineering drying shrinkage measuring device |
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| Country | Link |
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| CN (1) | CN203224491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445419A (en) * | 2015-01-21 | 2016-03-30 | 长沙理工大学 | Accelerated drying shrinkage testing method of semi-rigid base material of inorganic binding material |
-
2013
- 2013-03-20 CN CN 201320127192 patent/CN203224491U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445419A (en) * | 2015-01-21 | 2016-03-30 | 长沙理工大学 | Accelerated drying shrinkage testing method of semi-rigid base material of inorganic binding material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20160320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |