Expanding possibilities for using the software DrenVSubIR, to design associated drainage with deep loosening works through scarifying [articol]

Abstract

The objective of this paper is to extend the possibilities for using the program DrenVSubIR [1.10] to cross drainage sizing, specific to heavy and compress soils.The experimental drainage fields of Bihor County (Avram Iancu, Cefa, Sanmartin and Diosig) were verified over the years, different variations of drainage, with or without prism ballast filter associated with deep-loosening workthrough scarifying. [8]DrenVSubIR is a software consists of three modules, specializing in determining the distance between horizontal drains, checking for possible use in subirrigaţion and and technical-economic calculation (cost of arrangement of one hectare of land) of the designed variants.Simulating the conditions from the experimental drainage fields from Diosig and Avram Iancu, Bihor county led to the same distance between drains without a filter or prism ballast filter and drains proposed for expansion in production.Starting from the observation that in all the experimental fields the most effective option was that with the distance between the drains of 30 m, with prism ballast filter and associated with deep-loosening work scarifying, transverse direction drains, simulating with software DrenVSubIR these situations, it was established the effect of deep-loosening through scarifying on hydraulic conductivity lines of horizon higher drain wire.