Effects of Tractor Bias-ply Tyre Inflation Pressure on Stress Distribution in Silty Loam Soil

被引：2

作者：

Filipovic, Dubravko ^{[1
]}

Kovacev, Igor ^{[1
]}

Copec, Kresimir ^{[1
]}

Fabijanic, Goran ^{[1
]}

Kosutic, Silvio ^{[1
]}

Husnjak, Stjepan ^{[1
]}

机构：

[1] Univ Zagreb, Fac Agr, Svetosimunska 25, Zagreb 10000, Croatia

来源：

SOIL AND WATER RESEARCH | 2016年 / 11卷 / 03期

关键词：

ground pressure; soil stress; tyre-soil contact area; wheel tractor; CONTACT AREA; INTERFACE PRESSURES; AGRICULTURAL TIRES; VERTICAL STRESS; WHEEL LOAD; COMPACTION; DEFORMATION; PREDICTION;

D O I：

10.17221/124/2015-SWR

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

The aim of this paper was to quantify vertical stress distribution in silty loam soil by applying three combinations of tyre inflation pressures of front and rear wheels of a four-wheel drive tractor weighing 3560 kg. The tyres on the tractor were bias-ply, front 11.2-24 and rear 16.9-30, and inflation pressures were 67, 100, and 150% of the recommended pressure. Soil stresses were measured at 10, 30, and 50 cm depths using a stress transducer consisting of ten sensors with a 10 cm distance between sensor centres. Decrease in tyre inflation pressure resulted in a decrease of maximum soil stress at all measured depths. Tyre inflation pressures greatly influenced soil stresses measured in the topsoil. Maximum soil stress in the topsoil depth below front wheel tyres was significantly higher than that below rear wheel tyres. There were no significant differences between tyre contact areas at recommended, high, and low tyre inflation pressures.

引用

页码：190 / 195

页数：6

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