JPH08247869A - Installation confirmation device for earth pressure meter - Google Patents
Installation confirmation device for earth pressure meterInfo
- Publication number
- JPH08247869A JPH08247869A JP7827095A JP7827095A JPH08247869A JP H08247869 A JPH08247869 A JP H08247869A JP 7827095 A JP7827095 A JP 7827095A JP 7827095 A JP7827095 A JP 7827095A JP H08247869 A JPH08247869 A JP H08247869A
- Authority
- JP
- Japan
- Prior art keywords
- ground
- earth pressure
- pressing plate
- contact
- presser plate
- 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.)
- Pending
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、地中にＲＣ連続地中壁
を構築する際に土圧を測定する土圧計が適切に設置され
ているかを確認する土圧計の設置確認方法およびその装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earth pressure gauge installation confirmation method and apparatus for confirming whether an earth pressure gauge for measuring earth pressure when constructing an RC continuous underground wall is properly installed. Regarding
【０００２】[0002]
【従来の技術】地下工事を行なう場合には、地盤の崩壊
を防ぐため、地下水位の高い軟弱地盤などではＲＣ連続
地中壁が設けられる。また、ＲＣ連続地中壁を構築する
際には、安全管理上ＲＣ連続地中壁に作用する土圧測定
を行なう場合がある。例えば、図７、図８に示すよう
に、土圧計４５と、これを支持する押圧板４９およびジ
ャッキシリンダ４７からなる土圧測定装置を、図９に示
すように、鉄筋篭５１に取付け、この鉄筋篭５１を、押
圧板４７が地盤に向くようにして地中に形成された掘削
溝内に上部から挿入する。そして、ジャッキシリンダ４
７を操作することにより、押圧板４７を地盤に押し付
け、この時の土圧計４５で検出された土圧を読み取るこ
とにより、土圧計の設置状況を確認するようにしてい
た。2. Description of the Related Art When underground construction is performed, RC continuous underground walls are provided on soft ground with a high groundwater level in order to prevent the ground from collapsing. Moreover, when constructing the RC continuous underground wall, earth pressure acting on the RC continuous underground wall may be measured for safety management. For example, as shown in FIGS. 7 and 8, an earth pressure gauge 45, an earth pressure measuring device including a pressing plate 49 and a jack cylinder 47 supporting the earth pressure gauge 45 are attached to a rebar cage 51 as shown in FIG. The reinforcing bar cage 51 is inserted from above into the excavation groove formed in the ground so that the pressing plate 47 faces the ground. And jack cylinder 4
By operating 7, the pressing plate 47 is pressed against the ground, and the earth pressure detected by the earth pressure gauge 45 at this time is read to confirm the installation state of the earth pressure gauge.
【０００３】[0003]
【発明が解決しようとする課題】ところが、押圧板が接
する掘削地盤に凹凸があったり、掘削地盤から玉石が突
出している場合には、掘削地盤の凸部や玉石が押圧板に
部分的に当たり、押圧板と掘削地盤との間に隙間ができ
て、土圧の正確な測定ができないとともに、掘削溝内に
コンクリートを打設する際に、前記隙間にコンクリート
が入り込んで土圧計による測定が不能となるおそれがあ
った。本発明は前記事情に鑑みて案出されたものであ
り、本発明の目的は、押圧板の全面が掘削地盤に確実に
接し、掘削地盤の凸部や玉石により部分的に接していな
いことを掘削溝外から確認できる土圧計の設置確認方法
およびその装置を提供することにある。However, when the excavation ground with which the pressing plate is in contact has irregularities or the cobbles are projected from the excavation ground, the projections or boulders of the excavation ground partially hit the pressing plate, Since there is a gap between the pressure plate and the excavated ground, it is not possible to measure the earth pressure accurately, and when placing concrete in the excavation groove, the concrete enters the gap and the earth pressure meter cannot measure it. There was a risk of becoming. The present invention has been devised in view of the above circumstances, and an object of the present invention is to ensure that the entire surface of the pressing plate is in contact with the excavated ground without fail and that it is not in partial contact with the convex portions or cobblestones of the excavated ground. It is intended to provide a method and apparatus for confirming the installation of an earth pressure gauge that can be confirmed from outside the excavation trench.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に本発明は、土圧計を設けた押圧板及び該押圧板を掘削
地盤に対して進退させるジャッキシリンダを有する土圧
測定機構を鉄筋篭に取付けてＲＣ連続地中壁用の掘削溝
内に挿入し、押圧板をジャッキシリンダにより掘削地盤
に押し付けて掘削地盤の土圧を測定するときの土圧計の
設置確認装置であって、前記押圧板の複数箇所に前記ジ
ャッキシリンダの動作方向に進退可能に設けられ、前記
押圧板の掘削地盤への接触を検知する複数の検知部材
と、前記押圧板が掘削地盤に接触することにより前記各
検知部材が後退端に達したときにオン動作する複数のス
イッチと、前記各スイッチのオンまたはオフ信号に基づ
いて前記押圧板が掘削地盤に均等に接触しているか否か
を表示する視認手段とを備えてなるものである。In order to achieve the above object, the present invention provides an earth pressure measuring mechanism having a pressure plate provided with an earth pressure gauge and a jack cylinder for advancing and retracting the pressure plate with respect to the excavated ground. The installation confirmation device for an earth pressure gauge when the earth pressure gauge is installed in an excavation groove for RC continuous underground wall and a pressing plate is pressed against the excavation ground by a jack cylinder to measure the earth pressure of the excavation ground. A plurality of detection members that are provided at a plurality of positions on the plate so as to be able to move back and forth in the operation direction of the jack cylinder, and that detect the contact of the pressing plate with the excavated ground, and the detection by the pressing plate contacting the excavated ground. A plurality of switches that are turned on when the member reaches the retracted end, and a visual confirmation means that displays whether or not the pressing plate is in uniform contact with the excavated ground based on an on or off signal of each switch. It is intended to be equipped with.
【０００５】また、本発明の土圧計の設置確認装置は、
前記各検知部材が、前記押圧板の周縁部に配設されてい
ることを特徴とする。また、本発明の土圧計の設置確認
装置は、前記スイッチが、磁力により動作するリードス
イッチであることを特徴とする。さらに、本発明の土圧
計の設置確認装置は、前記視認手段が、前記スイッチの
オン時に点灯する発光ダイオードにより構成されたこと
を特徴とする。The earth pressure gauge installation confirmation device of the present invention is
Each of the detection members is arranged at a peripheral portion of the pressing plate. Further, the earth pressure gauge installation confirmation device of the present invention is characterized in that the switch is a reed switch operated by magnetic force. Further, the earth pressure gauge installation confirmation device of the present invention is characterized in that the visual confirmation means is constituted by a light emitting diode which is turned on when the switch is turned on.
【０００６】[0006]
【作用】土圧を測定するには、土圧測定機構を鉄筋篭に
取付けてＲＣ連続地中壁用の掘削溝内に挿入し、ジャッ
キシリンダを操作して押圧板を掘削地盤に向けて前進さ
せる。押圧板の前進に伴い掘削地盤や地盤の凸部や玉石
により検知部材が後退端に達してスイッチがオンする
と、視認手段の例えば発光ダイオードが点灯する。そし
て、視認手段のすべての発光ダイオードが点灯した場合
には、押圧板の全面が掘削地盤に均等に接していること
になり、適切に土圧計が設置されたことを確認すること
ができる。[Operation] To measure earth pressure, attach the earth pressure measuring mechanism to the rebar cage, insert it into the excavation groove for RC continuous underground wall, and operate the jack cylinder to move the pressing plate forward toward the excavation ground. Let When the detection member reaches the retreat end due to the excavated ground, the convex portion of the ground, and the cobbles as the pressing plate advances, and the switch is turned on, for example, the light emitting diode of the visual recognition means is turned on. Then, when all the light emitting diodes of the visual recognition means are turned on, it means that the entire surface of the pressing plate is in uniform contact with the excavated ground, and it can be confirmed that the earth pressure gauge is properly installed.
【０００７】[0007]
【実施例】以下に本発明の一実施例を図面に基づき説明
する。図１は土圧測定機構の正面図、図２は土圧測定機
構の側面図、図３はアタッチメントを示す縦断面図、図
４はアタッチメントに接続された視認装置を示す回路図
である。An embodiment of the present invention will be described below with reference to the drawings. 1 is a front view of the earth pressure measuring mechanism, FIG. 2 is a side view of the earth pressure measuring mechanism, FIG. 3 is a longitudinal sectional view showing the attachment, and FIG. 4 is a circuit diagram showing a visual recognition device connected to the attachment.
【０００８】図中、１は矩形状に形成された押圧板であ
り、押圧板１の中央部にはジャッキシリンダ３のロッド
３ａが取付けられ、このロッド３ａの取付け箇所の近傍
には土圧計５が取付けられている。また、前記押圧板１
の四隅部分には、図３、図４に示すようなアタッチメン
ト７がそれぞれ取り付けられている。前記アタッチメン
ト７は、固定筒体９と、支持棒１１と、リードスイッチ
１３と、検知部材を構成する可動筒体１５および、接触
板１７と、磁石１９と、コイルバネ２１とにより構成さ
れている。前記固定筒体９は前端が開放され後端が閉塞
された筒状に形成され、その前端は押圧板１の隅部に設
けられた挿通孔１ａを囲むように押圧板１に固着されて
いる。In the figure, reference numeral 1 is a rectangular pressing plate, a rod 3a of a jack cylinder 3 is attached to the central portion of the pressing plate 1, and an earth pressure gauge 5 is provided in the vicinity of the attachment position of the rod 3a. Is installed. In addition, the pressing plate 1
Attachments 7 as shown in FIGS. 3 and 4 are respectively attached to the four corners of the. The attachment 7 is composed of a fixed cylinder 9, a support rod 11, a reed switch 13, a movable cylinder 15 that constitutes a detection member, a contact plate 17, a magnet 19, and a coil spring 21. The fixed tubular body 9 is formed in a tubular shape having a front end opened and a rear end closed, and the front end is fixed to the pressing plate 1 so as to surround an insertion hole 1 a provided at a corner of the pressing plate 1. .
【０００９】前記支持棒１１は固定筒体９内にその軸心
上に配置されるもので、その基端部には雄ネジ部１１ａ
が設けられ、雄ネジ部１１ａの内側に鍔部１１ｂが設け
られている。雄ネジ部１１ａは固定筒体９の底板９ａの
中央部に形成した孔９ｂに挿通され、雄ネジ部１１ａの
外方突出端にナット２３を螺合し締付けることにより、
支持棒１１の基端部が固定筒体９の底板９ａに固定され
る。また、支持棒１１の略中央部には磁石によりにオン
動作するリードスイッチ（スイッチ）１３が設けられて
いる。The support rod 11 is arranged in the fixed cylindrical body 9 on its axis, and has a male screw portion 11a at its base end.
Is provided, and the collar portion 11b is provided inside the male screw portion 11a. The male screw portion 11a is inserted into a hole 9b formed in the central portion of the bottom plate 9a of the fixed tubular body 9, and the nut 23 is screwed and tightened at the outward protruding end of the male screw portion 11a.
The base end portion of the support rod 11 is fixed to the bottom plate 9 a of the fixed barrel body 9. Further, a reed switch (switch) 13 that is turned on by a magnet is provided at a substantially central portion of the support rod 11.
【００１０】前記可動筒体１５は前記支持棒１１の先端
側外周に同心に配設され、その先端部は前記押圧板１の
挿通孔１ａから外方へ突出されていると共に、その先端
面には挿通孔１ａよりも大きな外径の接触板１７が固着
され、後端にはドーナツ状の支持部材２５が固着され、
この支持部材２５の内周部に磁石１９が固着されてい
る。また、前記支持部材２５と前記固定筒体９の底板９
ａとの間にはコイルバネ２１が介在され、常時、可動筒
体１５を前方に向けて付勢している。更に、前記可動筒
体１５の軸方向の長さは、可動筒体１５が固定筒体９内
を後方側へ移動して接触板１７が押圧板１に係止された
際に、前記支持棒１１のリードスイッチ１３の箇所に磁
石１９が位置する長さに形成されている。The movable cylindrical body 15 is concentrically arranged on the outer periphery of the support rod 11 on the front end side, and the front end portion is projected outward from the insertion hole 1a of the pressing plate 1 and at the front end surface thereof. Has a contact plate 17 having an outer diameter larger than that of the insertion hole 1a fixed thereto, and a donut-shaped support member 25 fixed to the rear end thereof.
The magnet 19 is fixed to the inner peripheral portion of the support member 25. In addition, the support member 25 and the bottom plate 9 of the fixed tubular body 9
A coil spring 21 is interposed between a and a, and always urges the movable cylindrical body 15 forward. Further, the axial length of the movable cylinder 15 is such that when the movable cylinder 15 moves rearward in the fixed cylinder 9 and the contact plate 17 is locked to the pressing plate 1, The reed switch 13 is formed to have a length such that the magnet 19 is located.
【００１１】そして、リードスイッチ１３の両端に接続
したリード線２７は、図５に示すように、直流電源２
９、抵抗３１および発光ダイオード３３からなる視認装
置３５に接続され、押圧板１が後述する掘削溝３９の周
囲の地盤４１に接した際に、各アタッチメント７が後退
してリードスイッチ１３がオン動作すると、各視認装置
３５の発光ダイオード３３が点灯し、地上で確認できる
構成となっている。The lead wires 27 connected to both ends of the reed switch 13 are connected to the DC power source 2 as shown in FIG.
9. When the pressing plate 1 is connected to the visual recognition device 35 including the resistor 31, the light emitting diode 33, and the pressing plate 1 contacts the ground 41 around the excavation groove 39, which will be described later, each attachment 7 retracts and the reed switch 13 is turned on. Then, the light emitting diode 33 of each visual recognition device 35 is turned on, and it is configured to be confirmed on the ground.
【００１２】次に、前記構成の土圧測定装置を用いて土
圧を測定する場合にについて説明する。土圧を測定する
には、図６に示すように、鉄筋篭３７にジャッキシリン
ダ３を取付け、掘削溝３９内に鉄筋篭３７を吊下げて挿
入し、押圧板１が掘削溝３９内の周囲の地盤４１に向く
ように設置する。Next, the case of measuring the earth pressure by using the earth pressure measuring device having the above structure will be described. In order to measure the earth pressure, as shown in FIG. 6, the jack cylinder 3 is attached to the rebar cage 37, the rebar cage 37 is hung and inserted into the excavation groove 39, and the pressing plate 1 surrounds the excavation groove 39. It is installed so as to face the ground 41.
【００１３】次に、地上でジャッキシリンダ３を操作し
て押圧板１を掘削溝３９の地盤４１に向けて前進させ
る。この場合、地盤４１の表面が平かな場合には、押圧
板１の四隅に取付けられた全てのアタッチメント７が後
退して押圧板１の全面が地盤４１に接触する。その結
果、磁石１９によりリードスイッチ１３がオンされ、地
上の視認装置３５の発光ダイオード３３が全て点灯し、
押圧板１が地盤４１に正常に接していることが４つの発
光ダイオード３３を見るだけで確認できる。Next, the jack cylinder 3 is operated on the ground to advance the pressing plate 1 toward the ground 41 of the excavation groove 39. In this case, when the surface of the ground 41 is flat, all the attachments 7 attached to the four corners of the pressing plate 1 retreat and the entire surface of the pressing plate 1 contacts the ground 41. As a result, the reed switch 13 is turned on by the magnet 19, and all the light emitting diodes 33 of the visual recognition device 35 on the ground are turned on.
It can be confirmed only by looking at the four light emitting diodes 33 that the pressing plate 1 is normally in contact with the ground 41.
【００１４】これに対し、４つの発光ダイオード３３の
全てが点灯していない場合には、押圧板１が地盤４１の
表面の凸部や玉石に部分的に接していて、押圧板１が地
盤４１に正常に接していないことが確認できる。この場
合には、掘削溝３９の別の地盤４１に押圧板１を設置し
なおす必要がある。そして、押圧板１が正常に設置され
た場合には、掘削溝３９にコンクリートを打設し、コン
クリート打設後のＲＣ連続地中壁の土圧が土圧計５によ
り測定され、地上において読取られる。On the other hand, when all the four light emitting diodes 33 are not lit, the pressing plate 1 is partially in contact with the convex portion or the cobblestone on the surface of the ground 41, and the pressing plate 1 is the ground 41. It can be confirmed that it is not contacting normally. In this case, it is necessary to re-install the pressing plate 1 on another ground 41 of the excavation trench 39. Then, when the pressing plate 1 is normally installed, concrete is placed in the excavation groove 39, and the earth pressure of the RC continuous underground wall after the concrete is placed is measured by the earth pressure gauge 5 and read on the ground. .
【００１５】このように本実施例においては、押圧板１
が掘削溝３９の地盤４１に均等に接したかどうかを検知
するアタッチメント７を押圧板１の四隅部に設けたこと
により、土圧計５の設置時に掘削溝３９の地盤４１に押
圧板１が均等に接したか否かを視認装置３５により確実
に確認することが可能となり、従来の如く、押圧板１と
地盤４１の間に隙間が生じてコンクリートが流入するこ
とにより土圧の測定が不能となることを防止でき、確実
に土圧測定が可能となる。As described above, in this embodiment, the pressing plate 1
Since the attachments 7 for detecting whether or not the ground contact the ground 41 of the digging groove 39 are provided at the four corners of the pressing plate 1, the pressing plate 1 is evenly arranged on the ground 41 of the digging groove 39 when the earth pressure gauge 5 is installed. It is possible to reliably confirm whether or not the soil has come into contact with the visual inspection device 35, and as in the conventional case, a gap is created between the pressing plate 1 and the ground 41, and concrete flows in, so that the earth pressure cannot be measured. Can be prevented, and earth pressure can be reliably measured.
【００１６】尚、前記実施例では押圧板１を矩形状に形
成したが、丸い形状でもよく、また、アタッチメント７
の数も４つに限らず、それ以上設けるようにしてもよ
い。また、接触板１７を含む可動筒体１５が後退端に達
したことを表示する視認装置３５は発光ダイオード３３
に限らず、同様な機能を有するものであれば、何を用い
てもよい。Although the pressing plate 1 is formed in a rectangular shape in the above embodiment, it may be formed in a round shape, and the attachment 7 may be formed.
The number of is not limited to four, and more may be provided. Further, the visual recognition device 35 that indicates that the movable tubular body 15 including the contact plate 17 has reached the retracted end is the light emitting diode 33.
Not limited to this, any may be used as long as it has a similar function.
【００１７】[0017]
【発明の効果】以上説明したように本発明によれば、押
圧板の複数箇所に進退可能な地盤接触用検知部材を設
け、この検知部材が後退端に達したときにオン動作する
スイッチを設け、各スイッチのオンまたはオフ信号に基
づいて動作する視認手段により、ジャッキシリンダを操
作して押圧板を掘削地盤に向け前進させたときに、視認
手段の全てが点灯表示されると押圧板が掘削地盤に均等
に接したことがわかるため、土圧計が適切に設置された
かを確実に確認することができ、従来のように、地盤の
凸部や玉石によって土圧の測定が不能となることを防止
できる。As described above, according to the present invention, the ground contact detecting members capable of advancing and retracting are provided at a plurality of positions of the pressing plate, and the switches which are turned on when the detecting members reach the retreat end are provided. , When the jack cylinder is operated by the visual confirmation means that operates based on the ON or OFF signal of each switch and the pressing plate is advanced toward the excavation ground, the pressing plate is excavated when all the visual confirmation means are lit up. Since it can be seen that the earth pressure gauge is in contact with the ground evenly, it can be surely confirmed that the earth pressure gauge is properly installed, and it is impossible to measure the earth pressure due to the convex portion of the ground or cobblestone as in the past. It can be prevented.
【図１】本発明の一実施例に係る土圧測定機構の正面図
である。FIG. 1 is a front view of an earth pressure measuring mechanism according to an embodiment of the present invention.
【図２】土圧測定機構の側面図である。FIG. 2 is a side view of an earth pressure measuring mechanism.
【図３】本実施例におけるアタッチメントを示す縦断面
図である。FIG. 3 is a vertical sectional view showing an attachment according to the present embodiment.
【図４】接触板を含む可動筒体が後退端に達したときの
アタッチメントを示す縦断面図である。FIG. 4 is a vertical cross-sectional view showing an attachment when a movable tubular body including a contact plate reaches a retracted end.
【図５】本実施例におけるリードスイッチに接続された
視認装置の回路図である。FIG. 5 is a circuit diagram of a visual recognition device connected to a reed switch in the present embodiment.
【図６】土圧計が設置された掘削溝を示す説明用断面図
である。FIG. 6 is an explanatory sectional view showing an excavation groove in which an earth pressure gauge is installed.
【図７】従来例における土圧測定機構の正面図である。FIG. 7 is a front view of an earth pressure measuring mechanism in a conventional example.
【図８】従来例における土圧測定機構の側面図である。FIG. 8 is a side view of an earth pressure measuring mechanism in a conventional example.
【図９】従来の土圧測定機構を鉄筋篭に取付けた状態を
示す説明図である。FIG. 9 is an explanatory view showing a state in which a conventional earth pressure measuring mechanism is attached to a rebar cage.
１ 押圧板 ３ ジャッキシリンダ ３ａ ロッド ５ 土圧計 １３ スイッチ（リードスイッチ） １７ 接触板 ３３ 発光ダイオード ３５ 視認装置 1 Pressing Plate 3 Jack Cylinder 3a Rod 5 Earth Pressure Gauge 13 Switch (Reed Switch) 17 Contact Plate 33 Light Emitting Diode 35 Visual Device
Claims (4)
削地盤に対して進退させるジャッキシリンダを有する土
圧測定機構を鉄筋篭に取付けてＲＣ連続地中壁用の掘削
溝内に挿入し、押圧板をジャッキシリンダにより掘削地
盤に押し付けて掘削地盤の土圧を測定するときの土圧計
の設置確認装置であって、 前記押圧板の複数箇所に前記ジャッキシリンダの動作方
向に進退可能に設けられ、前記押圧板の掘削地盤への接
触を検知する複数の検知部材と、 前記押圧板が掘削地盤に接触することにより前記各検知
部材が後退端に達したときにオン動作する複数のスイッ
チと、 前記各スイッチのオンまたはオフ信号に基づいて前記押
圧板が掘削地盤に均等に接触しているか否かを表示する
視認手段と、 を備えてなる土圧計の設置確認装置。1. An earth pressure measuring mechanism having a pressure plate provided with an earth pressure gauge and a jack cylinder for advancing and retracting the pressure plate with respect to the excavation ground is attached to a rebar cage and inserted into an RC continuous underground wall excavation groove. A device for confirming the installation of an earth pressure gauge when the pressing plate is pressed against the excavated ground by the jack cylinder to measure the earth pressure of the excavated ground, and the advancing / retreating in the operating direction of the jack cylinder can be performed at a plurality of positions of the pressing plate. A plurality of detection members that are provided to detect contact of the pressing plate with the excavation ground, and a plurality of switches that are turned on when the detection plates contact the excavation ground and the detection members reach the retreat end. And a visual confirmation means for displaying whether or not the pressing plate is evenly contacting the excavated ground based on an ON or OFF signal of each of the switches, and an installation confirmation device for an earth pressure gauge.
に配設されている請求項１記載の土圧計の設置確認装
置。2. The earth pressure gauge installation confirmation device according to claim 1, wherein each of the detection members is arranged at a peripheral portion of the pressing plate.
ードスイッチである請求項１記載の土圧計の設置確認装
置。3. The earth pressure gauge installation confirmation device according to claim 1, wherein the switch is a reed switch that operates by magnetic force.
に点灯する発光ダイオードにより構成された請求項１記
載の土圧計の設置確認装置。4. The earth pressure gauge installation confirmation device according to claim 1, wherein the visual confirmation means is constituted by a light emitting diode which is turned on when the switch is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7827095A JPH08247869A (en) | 1995-03-08 | 1995-03-08 | Installation confirmation device for earth pressure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7827095A JPH08247869A (en) | 1995-03-08 | 1995-03-08 | Installation confirmation device for earth pressure meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08247869A true JPH08247869A (en) | 1996-09-27 |
Family
ID=13657299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7827095A Pending JPH08247869A (en) | 1995-03-08 | 1995-03-08 | Installation confirmation device for earth pressure meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08247869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175382A (en) * | 2011-01-28 | 2011-09-07 | 哈尔滨工业大学 | Detecting device for detecting lateral pressure of great-mobility concrete template |
| CN107817168A (en) * | 2017-08-28 | 2018-03-20 | 北京工业大学 | The reduction coefficient measurement apparatus and measuring method of concrete blinding lateral pressure |
-
1995
- 1995-03-08 JP JP7827095A patent/JPH08247869A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175382A (en) * | 2011-01-28 | 2011-09-07 | 哈尔滨工业大学 | Detecting device for detecting lateral pressure of great-mobility concrete template |
| CN107817168A (en) * | 2017-08-28 | 2018-03-20 | 北京工业大学 | The reduction coefficient measurement apparatus and measuring method of concrete blinding lateral pressure |
| CN107817168B (en) * | 2017-08-28 | 2020-09-04 | 北京工业大学 | Concrete formwork side pressure reduction coefficient measuring device and measuring method |
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