WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1979001099) DEVICE FOR DETERMINING THE PORE WATER PRESSURE IN A SOIL
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1979/001099    International Application No.:    PCT/SE1979/000117
Publication Date: 13.12.1979 International Filing Date: 22.05.1979
IPC:
E02D 1/00 (2006.01), E02D 1/02 (2006.01), E21B 47/06 (2012.01), G01L 7/00 (2006.01), G01V 9/00 (2006.01), G01V 9/02 (2006.01)
Applicants:
Inventors:
Priority Data:
7805815 22.05.1978 SE
Title (EN) DEVICE FOR DETERMINING THE PORE WATER PRESSURE IN A SOIL
(FR) DISPOSITIF DE DETERMINATION DE LA PRESSION D"EAU DANS LES PORES D"UN SOL
Abstract: front page image
(EN)A device for measuring pore water pressure in soils employs a pore pressure sound (2) as a sensing member and a closed measuring system (5, 6) for creating the least possible disturbance in soils having a low degree of permeability, such as clay. The closed liquid-filled measuring system comprises a hypodermic needle type (20) of connection between the pore pressure sound and a measuring device (3), said needle being operative to penetrate a member of resilient material to extend into a liquid-filled chamber in said pore pressure sound and transfer a reading of the pore water pressure to said measuring device.
(FR)Un dispositif de mesure de la pression d"eau de sols dans les terres comprend une sonde de pression des pores (2) fonctionnant comme un element capteur, et un systeme de mesure ferme (5, 6) pour perturber le moins possible des sols ayant un faible degre de permeabilite tel que l"argile. Le systeme de mesure ferme plein de liquide comprend une aiguille hypodermique (20) de connexion entre la sonde de pression des pores et un dispositif de mesure (3), ladite aiguille etant concue pour penetrer dans un element en materiau elastique et s"etendre dans une chambre pleine de liquide de la sonde de pression et transmettre une lecture de la pression d"eau dans les pores audit dispositif de mesure.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)