JPH10267809A - Compaction testing device equipped with specific resistance measuring device - Google Patents
Compaction testing device equipped with specific resistance measuring deviceInfo
- Publication number
- JPH10267809A JPH10267809A JP9156497A JP9156497A JPH10267809A JP H10267809 A JPH10267809 A JP H10267809A JP 9156497 A JP9156497 A JP 9156497A JP 9156497 A JP9156497 A JP 9156497A JP H10267809 A JPH10267809 A JP H10267809A
- Authority
- JP
- Japan
- Prior art keywords
- specific resistance
- specimen
- sample
- test
- soil
- 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.)
- Granted
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、供試体を圧密する
測定装置を用いて、土等の圧密のデータを得ると同時
に、供試体の圧密に対応する比抵抗の変化を測定可能な
比抵抗測定装置を設けた圧密試験装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a specific resistance capable of measuring the change in specific resistance corresponding to the consolidation of a specimen while obtaining data of consolidation of the soil using a measuring device for consolidating the specimen. The present invention relates to a consolidation test device provided with a measuring device.
【０００２】[0002]
【従来の技術および発明が解決しようとする課題】従来
より一般に用いられている土の圧密試験装置において
は、試料容器に収容した土の試料に対して圧密試験を行
うように構成しているもので、土の試料に対して上から
圧縮作用を付与することにより、圧縮性のデータを得る
ために使用されている。また、岩石の圧縮試験装置にお
いては、圧縮作用のデータを得ると同時に、比抵抗測定
手段を設けたものも知られているが、土の試料に対して
は、もっぱら圧縮試験を行う装置として構成されている
のみである。ところが、近年、土の供試体に対しても、
比抵抗試験を行って、土質の判断のためのデータを得る
ことが求められる場合がある。2. Description of the Related Art Conventionally, a soil consolidation test apparatus generally used has been configured to perform a consolidation test on a soil sample contained in a sample container. It is used to obtain compressibility data by applying a compressive action to a soil sample from above. In addition, there is known a rock compression tester which is provided with a specific resistance measuring means at the same time as obtaining data of a compression action, but is configured as a device for performing a compression test solely on a soil sample. It is just that. However, recently, even for soil specimens,
In some cases, it is required to perform a specific resistance test to obtain data for determining soil quality.
【０００３】また、土木工事のデータを得るためには、
従来より地山の地層の判断のため等の目的で、ボーリン
グ孔等を利用して比抵抗測定を行うことがあり、例え
ば、特開平５−３４６０１７号公報等に開示されている
ような装置が使用されている。前記従来例においては、
地盤の透水係数の測定と同時に、地盤の比抵抗を測定す
ることができるようにされている。これに対して、地盤
のデータを得るために、ボーリング孔等を利用して地盤
の比抵抗を測定する際に、その基礎データを土質試験の
試料から得ておくと、土質試験のデータの高度に利用す
ることが可能であるとも考えられている。しかしなが
ら、従来の試験装置ではほとんどが圧密のデータのみが
得られるものであり、供試体に対する圧密と関連させた
比抵抗値の変化等のデータを得ることができないもので
ある。In order to obtain civil engineering data,
Conventionally, a specific resistance measurement may be performed by using a boring hole or the like for the purpose of determining the geological layer of the ground. For example, an apparatus disclosed in Japanese Patent Application Laid-Open No. Hei 5-346017 is known. It is used. In the conventional example,
The specific resistance of the ground can be measured simultaneously with the measurement of the permeability of the ground. On the other hand, when measuring the specific resistance of the ground using boring holes etc. to obtain the ground data, if the basic data is obtained from the soil test sample, the height of the soil test data It is also considered possible to use it. However, most of the conventional test apparatuses can obtain only data of consolidation, and cannot obtain data such as a change in specific resistance value related to consolidation of a test sample.
【０００４】本発明は、前述したような従来の測定装置
を用いた土質の試験の課題を解消するもので、土の供試
体に対する圧密試験と同時に、比抵抗値の測定を行うこ
とが可能であり、土質のデータとともに比抵抗値の変化
の状態を測定可能な装置を提供することを目的としてい
る。[0004] The present invention solves the problem of soil testing using the conventional measuring device as described above, and it is possible to measure the specific resistance value simultaneously with the consolidation test on the soil specimen. It is an object of the present invention to provide a device capable of measuring a state of a change in a specific resistance value together with soil data.
【０００５】[0005]
【課題を解決するための手段】本発明は、供試体を収容
する試料容器を底盤部材に支持し、上部から加圧板によ
る加圧を行って供試体の圧密試験を行う測定装置に関す
る。本発明においては、絶縁体で構成し、供試体を収容
する試料容器と、前記試料容器の上下に配置する部材を
絶縁する固定絶縁部材と、前記供試体の上下部に配置す
る２つずつの電極板と、前記電極板に接続する接続端子
を介して設ける測定装置とを配置し、加圧板による供試
体の圧密試験と同時に、比抵抗の測定を行う装置として
構成している。また、本発明においては、前記電極板を
電流負荷端子と電圧測定端子とで構成し、加圧板による
加圧ととともに、電極板間での比抵抗の測定を行うこと
ができる。さらに、本発明においては、前記供試体と電
極板とを液体に浸漬させながら電極板間の比抵抗を測定
するに際して、前記液体として、供試体から滲出する水
またはこれと同質の液体、有機質もしくは無機質を溶解
した溶液、油のような液体を用いることが可能である。SUMMARY OF THE INVENTION The present invention relates to a measuring apparatus for supporting a sample container accommodating a specimen on a bottom plate member and applying a pressure from above to a consolidation test of the specimen. In the present invention, a sample container which is constituted by an insulator and accommodates a specimen, a fixed insulating member which insulates members arranged above and below the sample container, and two each of which is arranged above and below the specimen. An electrode plate and a measuring device provided via a connection terminal connected to the electrode plate are arranged, and the device is configured to measure a specific resistance simultaneously with a consolidation test of a test piece using a pressing plate. Further, in the present invention, the electrode plate is constituted by a current load terminal and a voltage measurement terminal, and the specific resistance between the electrode plates can be measured together with the pressing by the pressing plate. Furthermore, in the present invention, when measuring the specific resistance between the electrode plates while immersing the test piece and the electrode plate in a liquid, the liquid is water leached from the test piece or a liquid of the same quality as this, an organic or It is possible to use a solution in which an inorganic substance is dissolved or a liquid such as oil.
【０００６】前述したように構成したことにより、本発
明の装置においては、土等の供試体に対する圧密試験を
行う際に、供試体の圧密のデータとともに比抵抗値の測
定を行うことが可能であり、地質調査の際の基礎データ
を容易に得ることができる。また、本発明の装置では、
供試体の上下に２つの電極板を各々配置して、供試体に
対する比抵抗値のデータを得ることが可能であり、供試
体の特性を容易に知ることが可能である。[0006] With the above-described configuration, the apparatus of the present invention can measure the specific resistance value together with the consolidation data of the specimen when conducting a consolidation test on the specimen such as soil. Yes, basic data for geological survey can be easily obtained. In the device of the present invention,
By arranging two electrode plates above and below the specimen, it is possible to obtain data on the specific resistance value of the specimen, and to easily know the characteristics of the specimen.
【０００７】[0007]
【発明の実施の形態】図示される例にしたがって、本発
明の測定装置を説明する。図１、２に示す測定装置１
は、従来の土の圧密試験装置と同様な構成を有するもの
で、試験試料を収容するシリンダを、試料容器１５とガ
イドシリンダ１７とを重ねる状態に配置し、前記シリン
ダを底盤部材２と上蓋部材５の間に固定して設けてい
る。また、前記シリンダにおいては、ガイドシリンダ１
７と試料容器１５または、試料容器１５のみを絶縁体で
構成し、供試体１６の上下に配置する電極の間でシリン
ダを介して電流が流れないようにしている。さらに、前
記試料容器１５の上下部の底盤部材２と接する部分と、
ガイドシリンダ１７に接する部分には、Ｏリング等のシ
ール１８、１８ａを配置し、シリンダを水密に構成して
いる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The measuring device of the present invention will be described with reference to the illustrated example. Measuring device 1 shown in FIGS.
Has a configuration similar to that of a conventional soil consolidation test apparatus, in which a cylinder for accommodating a test sample is arranged in a state where a sample container 15 and a guide cylinder 17 are overlapped, and the cylinder is connected to the bottom plate member 2 and the top cover member 5 and is fixedly provided. In the cylinder, the guide cylinder 1
7 and the sample container 15 or only the sample container 15 are made of an insulator so that no current flows through the cylinder between the electrodes arranged above and below the specimen 16. Further, a portion in contact with the upper and lower bottom plate members 2 of the sample container 15,
Seals 18 and 18a, such as O-rings, are arranged in a portion in contact with the guide cylinder 17 to make the cylinder watertight.
【０００８】前記底盤部材２と上蓋部材５の間には固定
部材６、６ａ……を配置して、底盤部材２に対する上蓋
部材５の位置決めを行うとともに、供試体の圧密を行う
ための加圧板１２の加圧軸１０を、上蓋部材５に配置す
るスライドベアリング１１を介して支持させている。前
記加圧板１２には、多数の縦孔１３……を設け、電極か
ら引き出した電線を通す孔を設けており、供試体の圧密
に際して滲み出る水等を、縦孔を介して上部に排出させ
るようにする。本発明の実施例においては、前記固定部
材６においては、上蓋部材５に対して絶縁カラー８を介
してタイロッド７を固定し、底盤部材２と上蓋部材５と
の間を絶縁している。また、前記底盤部材２には、栓部
材４を設けた水抜き孔３を配置して、圧密試験後の底盤
部材の清掃に対応させる。さらに、前記底盤部材２に
は、電線３１、３５を通す開口を配置しており、上蓋部
材５にも電線２２等に対応させた開口を設け、前記各電
線用の開口を介して電極部に接続する端子線を接続させ
るようにする。A fixing member 6, 6a,... Is arranged between the bottom plate member 2 and the top cover member 5 so as to position the top cover member 5 with respect to the bottom plate member 2 and to pressurize the test sample. Twelve pressure shafts 10 are supported via slide bearings 11 arranged on the upper lid member 5. The pressure plate 12 is provided with a number of vertical holes 13..., And holes for passing electric wires drawn from the electrodes are provided, and water or the like that leaks out when the specimen is compacted is discharged upward through the vertical holes. To do. In the embodiment of the present invention, in the fixing member 6, the tie rod 7 is fixed to the upper lid member 5 via the insulating collar 8 to insulate the bottom member 2 and the upper lid member 5. In addition, a drain hole 3 provided with a plug member 4 is disposed in the bottom member 2 so as to cope with cleaning of the bottom member after the consolidation test. Further, an opening for passing the electric wires 31 and 35 is disposed in the bottom plate member 2, an opening corresponding to the electric wire 22 and the like is also provided in the upper cover member 5, and an electrode portion is provided through the opening for each electric wire. Connect the terminal wires to be connected.
【０００９】前記底盤部材２と上蓋部材５の間に固定保
持されるシリンダに対しては、供試体１６の上下に上部
電極部材２０と下部電極部材３０とを配置しており、供
試体１６を下部電極部材３０の上に載置し、供試体の上
に配置する上部電極部材２０を介して、加圧板１２によ
る押圧作用を行うようにする。また、前記加圧板１２に
対しては、従来の加圧試験装置の場合と同様に、加圧軸
１０を図示を省略した重り等を用いた加圧作用により加
圧板１２を押圧し、前記加圧板１２を用いた加圧作用を
供試体１６に対して加えるようにする。An upper electrode member 20 and a lower electrode member 30 are arranged above and below the test piece 16 with respect to the cylinder fixed and held between the bottom plate member 2 and the upper lid member 5. The pressing plate 12 is pressed on the lower electrode member 30 via the upper electrode member 20 placed on the specimen. The pressing plate 12 is pressed against the pressing plate 12 by a pressing action using a weight or the like (not shown), as in the case of the conventional pressing test apparatus. A pressurizing action using the pressure plate 12 is applied to the specimen 16.
【００１０】前記測定装置１において、供試体１６の上
下に配置する上部電極部材２０と下部電極部材３０と
は、図３の分解斜視図に示されるように構成されるもの
で、供試体１６と加圧板１２との間に配置する上部電極
部材２０では、２つの電極板２１、２５の間と、電極板
の上下部にろ紙２８、２８ａ、２８ｂをそれぞれ配置し
ている。また、前記電極板２１には、固定部２２ａを介
して電線２２を接続し、電極板２５には固定部２６ａを
介して電線２６を接続しており、前記電極板に接続する
電線には、熱収縮チューブ等の絶縁被覆２２ｂ、２６ｂ
により被覆して、漏電の防止を行っている。さらに、前
記電線２２、２６の引き出し先端部には、固定ナット２
３ａ、２７ａを介して接続端子２３、２７をそれぞれ接
続し、電源装置または測定装置に接続される。In the measuring apparatus 1, the upper electrode member 20 and the lower electrode member 30 arranged above and below the specimen 16 are configured as shown in an exploded perspective view of FIG. In the upper electrode member 20 disposed between the pressure plate 12 and the upper electrode member 20, filter papers 28, 28a, and 28b are disposed between the two electrode plates 21 and 25 and at the upper and lower portions of the electrode plate. Further, the electric wire 22 is connected to the electrode plate 21 via a fixing portion 22a, the electric wire 26 is connected to the electrode plate 25 via a fixing portion 26a, and the electric wire connected to the electrode plate includes: Insulating coating 22b, 26b such as heat shrink tube
To prevent leakage. Further, a fixing nut 2 is provided at the leading end of the wires 22 and 26.
The connection terminals 23 and 27 are connected via 3a and 27a, respectively, and connected to a power supply device or a measurement device.
【００１１】供試体１６と底盤部材２の間に配置する下
部電極部材３０では、２つの電極板３１、３５の間と、
電極板の上下部にろ紙３８、３８ａ、３８ｂをそれぞれ
配置している。また、前記電極板３１には固定部３２ａ
を介して電線３２を接続し、電極板３５には固定部３６
ａを介して電線３６を接続しており、前記電極板に接続
する電線には、前記上部電極部材の場合と同様に絶縁処
理を行っている。前記上部電極部材および下部電極部材
において、電極板としてステンレス製の金網等のような
導電性の良好な金属部材を用いている。In the lower electrode member 30 disposed between the test sample 16 and the bottom plate member 2, the lower electrode member 30
Filter papers 38, 38a, 38b are arranged at the upper and lower portions of the electrode plate, respectively. The electrode plate 31 has a fixed portion 32a.
The electric wire 32 is connected through the
The electric wire 36 is connected via a, and the electric wire connected to the electrode plate is insulated similarly to the case of the upper electrode member. In the upper electrode member and the lower electrode member, a metal member having good conductivity such as a stainless steel wire net is used as an electrode plate.
【００１２】前述したように構成した測定装置におい
て、前記図３に示されるように電極板とろ紙とをそれぞ
れ重ねた状態で上部電極部材と下部電極部材とを構成
し、試料容器１５に収容した供試体１６を挟むように配
置する。また、前記シリンダを底盤部材２と上蓋部材５
の間に位置決めしてから、シリンダ内部に水またはその
他の液体を充満させて、前記供試体の上下部に配置する
ろ紙に液体を浸漬させる。なお、本発明において、前記
供試体と電極板とを液体に浸漬させながら電極板間の比
抵抗を測定する際には、前記液体として、供試体から滲
出する水またはこれと同質の液体、有機質もしくは無機
質を溶解した溶液、油のような液体を用いることができ
るものであり、供試体の土質等に対応させて、任意の液
体を選択して使用することが可能である。例えば、純
水、各種の薬剤等を溶解した溶液、任意の種類の油等を
用いて比抵抗のデータを得ることも可能である。In the measuring apparatus constructed as described above, the upper electrode member and the lower electrode member were formed in a state where the electrode plate and the filter paper were respectively superposed as shown in FIG. The specimen 16 is arranged so as to sandwich it. Further, the cylinder is connected to the bottom plate member 2 and the top cover member 5.
Then, the cylinder is filled with water or other liquid, and the liquid is immersed in the filter paper disposed on the upper and lower portions of the test piece. In the present invention, when measuring the specific resistance between the electrode plates while immersing the specimen and the electrode plate in a liquid, as the liquid, water leached from the specimen or a liquid of the same quality as this, Alternatively, a solution in which an inorganic substance is dissolved or a liquid such as oil can be used, and an arbitrary liquid can be selected and used according to the soil or the like of the specimen. For example, specific resistance data can be obtained using pure water, a solution in which various chemicals or the like are dissolved, or any kind of oil.
【００１３】そして、供試体１６の上下部に各々２つず
つ配置する電極板に対して、上部電極部材２０の側から
電圧と電流とをそれぞれ印加し、下部電極部材３０の側
に配置している２つの電極板からは、供試体を通った電
圧と電流とをそれぞれ測定装置に向けて出力する。例え
ば、上部電極部材２０に配置する電極板２１には電流を
印加し、電極板３１により電流値の変化を測定する。ま
た、電極板２５には電圧を印加するとともに、下部電極
部材３０においては、電極板３５を電圧検知用に用い、
前記電極板３１、３５を介して各々検知装置に接続す
る。したがって、前記上部電極部材と下部電極部材との
間で供試体を通した電流と電圧とを測定することによ
り、供試体の圧密作用に対応する比抵抗値の変化を測定
することができる。Then, a voltage and a current are applied to the two electrode plates disposed on the upper and lower portions of the specimen 16 from the upper electrode member 20 side, respectively. From the two electrode plates, the voltage and current passing through the specimen are output to the measuring device. For example, a current is applied to the electrode plate 21 disposed on the upper electrode member 20, and a change in the current value is measured by the electrode plate 31. In addition, a voltage is applied to the electrode plate 25, and in the lower electrode member 30, the electrode plate 35 is used for voltage detection,
Each is connected to a detecting device via the electrode plates 31 and 35. Therefore, by measuring the current and the voltage passing through the specimen between the upper electrode member and the lower electrode member, it is possible to measure the change in the specific resistance value corresponding to the compaction action of the specimen.
【００１４】本発明の測定装置により土等の供試体に対
する圧密試験を行う場合には、通常の圧密試験と同時
に、下部電極部材の電極板に印加する電圧／電流を、上
部電極部材の電極板を介して測定器に伝達し、供試体の
圧密のデータと同時に、供試体の比抵抗値を測定する。
前述したようにして、供試体の比抵抗値を測定する場合
に、供試体の土の間隙比は圧密によって漸次小さい値と
なり、土の比抵抗値も変化する。この圧密の値と比抵抗
の値とを、例えば、硅砂、モンモリナイト系粘土、カオ
リナイト系粘土等の土の種類と、土の間隙比、間隙水の
種類、含水比等の因子に対応させてそれぞれ測定して、
土質に対応するデータを多数得て蓄積しておくことがで
きる。そして、本発明の測定装置を用いて得たデータを
基にして、地質調査を行う現場で、電気探査、電気検
層、伝導度コーン試験等の成果の解析のための基礎デー
タとして利用することができる。When a consolidation test is performed on a specimen such as soil using the measuring apparatus of the present invention, the voltage / current applied to the electrode plate of the lower electrode member is simultaneously applied to the normal consolidation test. And transmits the data of the consolidation of the specimen and the specific resistance value of the specimen.
As described above, when measuring the specific resistance value of the test specimen, the gap ratio of the soil of the test specimen gradually decreases due to the consolidation, and the specific resistance value of the soil also changes. The value of the consolidation and the value of the specific resistance are made to correspond to factors such as, for example, types of soil such as silica sand, montmorillonite clay, and kaolinite clay, and the pore ratio of soil, the type of pore water, and the water content. Measure each,
Many data corresponding to soil properties can be obtained and stored. Based on the data obtained by using the measuring device of the present invention, on the site where a geological survey is performed, it is used as basic data for analysis of results of electric survey, electric logging, conductivity cone test, etc. Can be.
【００１５】一般的に、土等の供試体における比抵抗
は、供試体の間隙比と、その供試体を満たす液体あるい
は気体の電気的性質に依存するものであり、測定装置を
用いて圧密試験を行いながら比抵抗を測定する場合に
は、供試体が圧密される度合いに対応して供試体の間隙
が減少し、供試体の比抵抗値が変化する。そこで、本発
明においては、供試体の上下部に電極板を配置して、供
試体の圧密に対応する比抵抗値の変化を測定し、測定の
対象とする土質における圧密度と比抵抗の対応関係のデ
ータを得ることができる。Generally, the specific resistance of a specimen such as soil depends on the gap ratio of the specimen and the electrical properties of the liquid or gas filling the specimen. When the specific resistance is measured while performing the test, the gap between the test specimens decreases in accordance with the degree of compaction of the test specimen, and the specific resistance value of the test specimen changes. Therefore, in the present invention, the electrode plates are arranged on the upper and lower parts of the specimen, the change of the specific resistance value corresponding to the consolidation of the specimen is measured, and the correspondence between the density and the specific resistance in the soil to be measured is measured. You can get relationship data.
【００１６】そして、例えば、地質調査の対象とされる
地盤が有害な物質により汚染されているような場合に、
その地盤から採取した土を供試体として使用し、比抵抗
値を測定したデータを試験室で得ることが可能である。
そして、そのデータを基準にして用い、試料を採取した
現場での地盤に対する比抵抗を直接測定した値とを比較
すると、比抵抗値の比較のみで、地盤の汚染状態を容易
に判断することができる。また、特定の種類の油で土壌
が汚染されていたり、その他の物質で土壌が汚染されて
いるような場合でも、現場での比抵抗の測定データと、
実験室での測定データとを比較することによって、汚染
の状態を判断することが可能になる。[0016] For example, when the ground to be subjected to the geological survey is contaminated with harmful substances,
Using the soil collected from the ground as a specimen, it is possible to obtain data obtained by measuring the specific resistance value in a test room.
Then, using the data as a reference and comparing it with the measured value of the specific resistance to the ground at the site where the sample was taken, it is easy to judge the contamination state of the ground only by comparing the specific resistance value. it can. Even if the soil is contaminated with certain types of oil or other substances, the measured resistivity data at the site,
By comparing the data with laboratory measurements, it is possible to determine the state of contamination.
【００１７】さらに、前記試料容器に収容させる土等の
供試体は、現地の土をコアとして採取し、それを容器の
大きさに合わせて切断して成形し、容器内に軽く押圧す
る状態で収容させて用いることができる。また、土の積
層状態を特に重視しない場合や、コア状に採取不能な土
の場合には、袋に入れて持ち込んだ土を、容器内部に任
意の圧密状態で収容させて、圧密試験と比抵抗値の測定
とを行うことも可能である。Further, a specimen such as soil to be accommodated in the sample container is obtained by collecting soil as a core from the site, cutting and shaping it in accordance with the size of the container, and pressing lightly into the container. It can be stored and used. In addition, when the layered state of the soil is not particularly important, or in the case of soil that cannot be collected in the form of a core, the soil brought in the bag is housed in an arbitrary compaction state inside the container, and compared with the compaction test. It is also possible to measure the resistance value.
【００１８】[0018]
【発明の効果】本発明の比抵抗測定装置を設けた圧密試
験装置は、前述したように構成しているものであるか
ら、従来より土等の圧密試験に用いられている測定装置
に対し、比抵抗値の測定機構を組み込んだことにより、
供試体の圧密に対応する比抵抗の変化を容易に知ること
ができる。そして、本発明の装置においては、土等の供
試体に対する圧密試験を行う際に、供試体の圧密のデー
タとともに比抵抗値の測定を行うことが可能であり、地
質調査の際等に利用可能な基礎データを容易に得ること
ができる。また、本発明の装置では、供試体の上下に２
つの電極板を各々配置して、供試体に対する比抵抗値の
データを得ることが可能である。The consolidation test apparatus provided with the specific resistance measuring apparatus of the present invention is constructed as described above. By incorporating a specific resistance measurement mechanism,
The change in specific resistance corresponding to the consolidation of the specimen can be easily known. In the apparatus of the present invention, when performing a consolidation test on a specimen such as soil, it is possible to measure the specific resistance value together with the consolidation data of the specimen, which can be used for geological surveys and the like. Basic data can be easily obtained. In the apparatus of the present invention, two specimens are placed above and below the specimen.
By arranging the three electrode plates, it is possible to obtain the data of the specific resistance value for the specimen.
【図１】 本発明の測定装置の構成を示す説明図であ
る。FIG. 1 is an explanatory diagram showing a configuration of a measuring device of the present invention.
【図２】 図の装置の平面図である。FIG. 2 is a plan view of the device shown.
【図３】 本発明の供試体の上下に配置する測定装置の
分解斜視図である。FIG. 3 is an exploded perspective view of a measuring device arranged above and below a specimen of the present invention.
１ 測定装置、２ 底盤部材、 ５ 上蓋部材、
１０ 加圧軸、１２ 加圧板、 １５ 試料容
器、 １６ 供試体、１７ ガイドシリンダ、 ２
０・３０ 電極部、２１・２５・３１・３５ 電極
板。1 measuring device, 2 bottom plate member, 5 top cover member,
Reference Signs List 10 pressure shaft, 12 pressure plate, 15 sample container, 16 specimen, 17 guide cylinder, 2
0.30 electrode part, 21.25.31.35 electrode plate.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 田屋 直美 東京都墨田区江東橋５−３−13 興亜開発 株式会社内 (72)発明者 松本 基 東京都墨田区江東橋５−３−13 興亜開発 株式会社内 (72)発明者 田中 正二 東京都江東区白河２−15−４ 株式会社丸 東製作所内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Naomi Taya 5-3-13 Kotobashi, Sumida-ku, Tokyo Koa Development Co., Ltd. (72) Motoi Motoki 5-3-13 Kotobashi, Sumida-ku, Tokyo Koa Development (72) Inventor Shoji Tanaka 2-15-4 Shirakawa, Koto-ku, Tokyo Maruto Co., Ltd.
Claims (3)
支持し、上部から加圧板による加圧を行って供試体の圧
密試験を行う測定装置において、 絶縁体で構成し、供試体を収容する試料容器と、 前記試料容器の上下に配置する部材を絶縁する固定絶縁
部材と、 前記供試体の上下部に配置する２つずつの電極板と、 前記電極板に接続する接続端子を介して設ける測定装置
とを配置し、 加圧板による供試体の圧密試験と同時に、比抵抗の測定
を行うことを特徴とする比抵抗測定装置を設けた圧密試
験装置。1. A measuring apparatus for supporting a sample container accommodating a specimen on a bottom plate member and performing a consolidation test of the specimen by applying pressure from above to a pressure plate, comprising an insulator, and accommodating the specimen. A sample container, a fixed insulating member that insulates members arranged above and below the sample container, two electrode plates arranged above and below the specimen, and a connection terminal connected to the electrode plate. A consolidation test device provided with a specific resistance measuring device, wherein a specific resistance measurement device is provided, wherein a specific resistance is measured simultaneously with a consolidation test of a test piece using a pressing plate.
子とで構成し、 加圧板による加圧とともに、電極板間の比抵抗の測定を
行うことを特徴とする請求項１に記載の比抵抗測定装置
を設けた圧密試験装置。2. The ratio according to claim 1, wherein the electrode plate comprises a current load terminal and a voltage measurement terminal, and the specific resistance between the electrode plates is measured together with the pressing by the pressing plate. Consolidation test equipment equipped with a resistance measuring device.
ながら電極板間の比抵抗を測定するに際して、 前記液体として、供試体から滲出する水またはこれと同
質の液体、有機質もしくは無機質を溶解した溶液、油の
ような液体を用いることを特徴とする請求項１または２
に記載の比抵抗測定装置を設けた圧密試験装置。3. When measuring the specific resistance between the electrode plates while immersing the specimen and the electrode plate in a liquid, the liquid may be water leached from the specimen or a liquid, organic or inorganic substance of the same quality as the liquid. 3. A liquid solution such as a dissolved solution or oil is used.
A consolidation test apparatus provided with the specific resistance measurement device according to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09156497A JP3556428B2 (en) | 1997-03-26 | 1997-03-26 | Consolidation test equipment equipped with specific resistance measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09156497A JP3556428B2 (en) | 1997-03-26 | 1997-03-26 | Consolidation test equipment equipped with specific resistance measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10267809A true JPH10267809A (en) | 1998-10-09 |
| JP3556428B2 JP3556428B2 (en) | 2004-08-18 |
Family
ID=14030016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09156497A Expired - Fee Related JP3556428B2 (en) | 1997-03-26 | 1997-03-26 | Consolidation test equipment equipped with specific resistance measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3556428B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005164436A (en) * | 2003-12-03 | 2005-06-23 | Railway Technical Res Inst | Measuring device and measuring method of electric conductivity |
| KR100849938B1 (en) | 2006-11-24 | 2008-08-01 | 한국철도기술연구원 | Compressive loading machine with roller supported steel brush loading platen |
| JP2010271130A (en) * | 2009-05-20 | 2010-12-02 | Central Res Inst Of Electric Power Ind | Soil sample holder |
| KR101011825B1 (en) * | 2009-08-04 | 2011-02-07 | 이성국 | Apparatus for the direct test of a soil multi specimen under consolidated drained conditions |
| KR101527404B1 (en) * | 2015-03-18 | 2015-06-10 | 한국지질자원연구원 | Apparatus for measuring electrical resistivity of water-saturated core sample |
| KR101527805B1 (en) * | 2013-09-16 | 2015-06-11 | 동아대학교 산학협력단 | Soil Cylinder for Measuring Soil Resistivity According to Relative Water Content |
| CN105759012A (en) * | 2016-03-21 | 2016-07-13 | 温州大学 | Multifunctional soil mass testing device capable of achieving combined application |
-
1997
- 1997-03-26 JP JP09156497A patent/JP3556428B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005164436A (en) * | 2003-12-03 | 2005-06-23 | Railway Technical Res Inst | Measuring device and measuring method of electric conductivity |
| KR100849938B1 (en) | 2006-11-24 | 2008-08-01 | 한국철도기술연구원 | Compressive loading machine with roller supported steel brush loading platen |
| JP2010271130A (en) * | 2009-05-20 | 2010-12-02 | Central Res Inst Of Electric Power Ind | Soil sample holder |
| KR101011825B1 (en) * | 2009-08-04 | 2011-02-07 | 이성국 | Apparatus for the direct test of a soil multi specimen under consolidated drained conditions |
| KR101527805B1 (en) * | 2013-09-16 | 2015-06-11 | 동아대학교 산학협력단 | Soil Cylinder for Measuring Soil Resistivity According to Relative Water Content |
| KR101527404B1 (en) * | 2015-03-18 | 2015-06-10 | 한국지질자원연구원 | Apparatus for measuring electrical resistivity of water-saturated core sample |
| CN105759012A (en) * | 2016-03-21 | 2016-07-13 | 温州大学 | Multifunctional soil mass testing device capable of achieving combined application |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3556428B2 (en) | 2004-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kalinski et al. | Electrical-resistivity measurements for evaluating compacted-soil liners | |
| McCarter | The electrical resistivity characteristics of compacted clays | |
| Rinaldi et al. | Ohmic conductivity of a compacted silty clay | |
| US4219776A (en) | Method and apparatus for measuring in situ density and fabric of soils | |
| WO1986005278A1 (en) | Dielectric methods and apparatus for in-situ soil classification | |
| CN106324045A (en) | Device for testing electric conductivity and soil-water characteristics of loess | |
| Newlands et al. | Sensitivity of electrode contact solutions and contact pressure in assessing electrical resistivity of concrete | |
| CN109253960B (en) | Spontaneous imbibition measuring method based on capacitive coupling | |
| JP3556428B2 (en) | Consolidation test equipment equipped with specific resistance measuring equipment | |
| Dunlap et al. | The relation between electrical resistivity and brine saturation in reservoir rocks | |
| Comina et al. | EIT Oedometer: an advanced cell to monitor spatial and time variability in soil with electrical and seismic measurements | |
| Sebastian Bryson et al. | Determination of selected geotechnical properties of soil using electrical conductivity testing | |
| CN208155804U (en) | Compact reservoir rock electrical measurement based on nuclear magnetic resonance | |
| US6571606B2 (en) | Device intended for sealed electric connection of electrodes by shielded cables and system for petrophysical measurement using the device | |
| US6986281B1 (en) | Exfiltrometer apparatus and method for measuring unsaturated hydrologic properties in soil | |
| US3849723A (en) | Conductivity measuring method and apparatus | |
| US5048334A (en) | Method and apparatus for subterranean liquid level measurement | |
| Cacciotti et al. | Innovative and easy-to-implement moisture monitoring system for brick units | |
| CN208506041U (en) | A kind of multifunctional visible joint consolidation apparatus device | |
| Meehan et al. | Using a complex-impedance measuring instrument to determine in situ soil unit weight and moisture content | |
| EP0621488A1 (en) | A drill-probe for the measurement of the electric resistivity of a soil | |
| US2767574A (en) | Apparatus for indicating moisture in oil | |
| Scholte et al. | Improved complex permittivity measurement and data processing technique for soil-water systems | |
| CN109253961B (en) | Spontaneous imbibition measuring device based on capacitive coupling | |
| Padhy et al. | Measurement and interpretation of non-archie resistivity behavior in model and real vuggy carbonates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20031201 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20031216 |
|
| A521 | Written amendment |
Effective date: 20040213 Free format text: JAPANESE INTERMEDIATE CODE: A523 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Effective date: 20040414 Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Effective date: 20040512 Free format text: JAPANESE INTERMEDIATE CODE: A61 |
|
| R150 | Certificate of patent (=grant) or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130521 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees |