3 papers
physics.ins-det2014
Royal Observatory of Belgium Gravitational balance
Michel van Ruymbeke, Sébastien Naslin, Ping Zhu +2
An astatized symmetrical vertical pendulum is monitoring torque Γ(M) resulting of gravitational attractions exerted by two external masses M moving up down. Local gravity field g p…
physics.ins-det2014
Spring gravimeter calibration experiment with an inertial acceleration platform
Ping Zhu, Michel van Ruymbeke, Jean-Phillippe Noel
This experiment tested an automatically calibrate the relatively gravimeter with an absolute inertial force. The whole calibration system was controlled by microprocessor and low f…
physics.geo-ph2014
Hydrological and tectonic strain forces measured from a karstic cave using extensometers
Ping Zhu, Michel van Ruymbeke, Yves Quinif +2
In order to monitor the hydrological strain forces of the karst micro fissure networks and local fault activities, six capacitive extensometers were installed inside a karstic cave…