Process and devices for monitoring and prediction of earthquake collapse in excavations.

摘要

Process and device for monitoring and prediction of mining collapse earthquake ". The present invention relates to a process and monitoring devices for the prediction of collapse in excavations.The data acquisition and processing are carried out in real time, relating the variation of voltage by means of a flat pads connected to transducers and pressure transmitters, as well as data related to the variation of deformation measured by means of alongu00e2metros connected to transducers t Ransmissores deformation and powered by batteries common cars.The transducers are fed by current there is a limitation to the length of the threads. The data are transmitted "on line" as a whole, via telephone cable or radio transmission, connected to a micro computer that handles the data through the program is stable.This treatment of the data is presented on screen through graphs of variation of deformation with time and a table where they are called the four types of alarms for the surveillance, prevention of collapse of rock structure, concrete and masonry. The time and speed of data acquisition are the choice of the user as well as the number of channels.The process and the device is a system, suitable for monitoring the safety of structures excavated in mining and civil buildings.The earthquake is also indicated for the monitoring of load testing in constructions such as buildings, slabs and bridges, or any structure manufactured with, rock, concrete, cement and bricks which have stability problems based on the variation of the stresses and strains.