JPH0393828U - - Google Patents

Info

Publication number
JPH0393828U
JPH0393828U JP266290U JP266290U JPH0393828U JP H0393828 U JPH0393828 U JP H0393828U JP 266290 U JP266290 U JP 266290U JP 266290 U JP266290 U JP 266290U JP H0393828 U JPH0393828 U JP H0393828U
Authority
JP
Japan
Prior art keywords
ground
rod
water pressure
water
pore water
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
Application number
JP266290U
Other languages
English (en)
Other versions
JPH089220Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990002662U priority Critical patent/JPH089220Y2/ja
Publication of JPH0393828U publication Critical patent/JPH0393828U/ja
Application granted granted Critical
Publication of JPH089220Y2 publication Critical patent/JPH089220Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)
  • Fluid-Driven Valves (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る間隙水圧の計測構造を示
す概略縦断面図、第２ａ図は閉状態の止水バルブ
を示す端面図、第２ｂ図は、第２ａ図における
ｂ−ｂ線断面図、第３図は開状態の止水バルブ
を示す端面図、第４図は従来の間隙水圧計測構造
を示す概略縦断面図である。 １……掘削孔、２……ロツド、３ａ……上部パ
ツカー、３ｂ……下部パツカー、４……計測地盤
、５……通水孔、８……水圧計、９……ロツドの
底部、１０……止水バルブ、２１ａ，２１ｂ……
第１の流路、２２……開閉バルブ、２３……第２
の流路。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 地盤中に掘削した掘削孔と、該掘削孔中に配
    設し、計測すべき地盤の間隙水が浸入するための
    通水孔を有し、かつ底部を閉塞したロツドと、前
    記掘削孔とロツドとの間隙を密閉し、前記計測す
    べき地盤を挟んでその上部と下部とに設けた密閉
    部材と、前記ロツド内の計測すべき地盤付近に設
    けた止水バルブと、前記ロツド、密閉部材、及び
    止水バルブによつて前記ロツド内における間隙水
    圧計測区間を密閉し、該密閉した間隙水圧の計測
    区間内に配置した水圧計測手段とからなる間隙水
    圧計測構造。 ２ 地盤の間隙水圧を計測するための止水バルブ
    であつて、地上から計測地盤へ注水するため、地
    上側から計測地盤側へ貫通する第１の流路と、該
    第１の流路の開閉を行う開閉シリンダと、該開閉
    シリンダを流体により開閉駆動させるための第２
    の流路とを備えた間隙水圧計測用止水バルブ。
JP1990002662U 1990-01-18 1990-01-18 間隙水圧計測構造 Expired - Lifetime JPH089220Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990002662U JPH089220Y2 (ja) 1990-01-18 1990-01-18 間隙水圧計測構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990002662U JPH089220Y2 (ja) 1990-01-18 1990-01-18 間隙水圧計測構造

Publications (2)

Publication Number Publication Date
JPH0393828U true JPH0393828U (ja) 1991-09-25
JPH089220Y2 JPH089220Y2 (ja) 1996-03-13

Family

ID=31506523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990002662U Expired - Lifetime JPH089220Y2 (ja) 1990-01-18 1990-01-18 間隙水圧計測構造

Country Status (1)

Country Link
JP (1) JPH089220Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01312115A (ja) * 1988-06-09 1989-12-15 Power Reactor & Nuclear Fuel Dev Corp 低水圧制御水理試験法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01312115A (ja) * 1988-06-09 1989-12-15 Power Reactor & Nuclear Fuel Dev Corp 低水圧制御水理試験法

Also Published As

Publication number Publication date
JPH089220Y2 (ja) 1996-03-13

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