TW255932B - A process and a device for exactly holding the vertical excavating direction of a diaphragm wall - Google Patents

A process and a device for exactly holding the vertical excavating direction of a diaphragm wall

Info

Publication number
TW255932B
TW255932B TW83111210A TW83111210A TW255932B TW 255932 B TW255932 B TW 255932B TW 83111210 A TW83111210 A TW 83111210A TW 83111210 A TW83111210 A TW 83111210A TW 255932 B TW255932 B TW 255932B
Authority
TW
Taiwan
Prior art keywords
diaphragm wall
grab
guide body
inner body
deviation
Prior art date
Application number
TW83111210A
Other languages
Chinese (zh)
Inventor
Ing Michael Leffer Dipl
Original Assignee
Stahl Und Appbau Hans Leffer Gmbh
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
Priority claimed from DE4309233A external-priority patent/DE4309233C1/en
Priority claimed from DE9304326U external-priority patent/DE9304326U1/en
Application filed by Stahl Und Appbau Hans Leffer Gmbh filed Critical Stahl Und Appbau Hans Leffer Gmbh
Application granted granted Critical
Publication of TW255932B publication Critical patent/TW255932B/en

Links

Abstract

A process for exactly holding the vertical excavation direction of a diaphragm wall using a hydraulic diaphragm wall grab cooperating with an excavator and having an outer guide body and an inner body for receiving the grab appliance is improved and rendered considerably more efficient by the fact that the vertical position of the inner body and/or the guide body is continuously controlled by means of an inclination detector whose signals are transferred to a controller which, in case the bodies of the grab deviate from the predetermined vertical position, compensates the deviation by swivelling the inner body relative to the guide body in opposite direction to the deviation.
TW83111210A 1993-03-23 1994-12-02 A process and a device for exactly holding the vertical excavating direction of a diaphragm wall TW255932B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4309233A DE4309233C1 (en) 1993-03-23 1993-03-23 Method and device for precisely maintaining the vertical direction of excavation of a diaphragm wall
DE9304326U DE9304326U1 (en) 1993-03-23 1993-03-23 Device for exact compliance with the vertical direction of excavation of a diaphragm wall

Publications (1)

Publication Number Publication Date
TW255932B true TW255932B (en) 1995-09-01

Family

ID=51401621

Family Applications (1)

Application Number Title Priority Date Filing Date
TW83111210A TW255932B (en) 1993-03-23 1994-12-02 A process and a device for exactly holding the vertical excavating direction of a diaphragm wall

Country Status (1)

Country Link
TW (1) TW255932B (en)

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees