The effect of Persian Gum Biopolymer on the Mechanical Properties of Silty Sand-Mobina Taslimi

The effect of Persian Gum Biopolymer on the Mechanical Properties of Silty Sand

Student: Mobina Taslimi Paein Afrakoti

Supervisor: Dr. Mahmoud Ghazavi

Abstract:

Due to the growth and development of engineering constructions such as highways, railways, and tunnels and the presence of unsuitable soil, the use of soil improvement increased. Despite their advantages and various uses, traditional stabilizers such as cement have many destructive effects on the environment. Today, biopolymers have gained popularity as an environmentally friendly solution for soil improvement. Persian gum is one of the plant gums extracted from the almond tree in Zagros forests in Iran. Using this polysaccharide as a stabilizing agent creates a new approach in the construction industry and does not damage the local ecosystem. For this purpose, a series of standard Proctor compaction, UCS, ITS, and UPV tests were carried out in order to investigate the mechanical characteristics of soil stabilized with Persian gum with different weight ratios (0, 0.5, 1, 1.5, 2, 2.5 and 3%) was cured at 7, 28 and 90 days. The results showed that with the increase in the weight ratio of Persian gum, the OMC increases, and the MDD decreases. Also, the UCS and ITS of the samples increase by increasing the weight ratio of Persian gum up to 2.5% and then decrease. The UCS and ITS increase by increasing the curing time in all weight ratios of Persian gum. Increasing the weight ratio of Persian gum up to 2.5% increases the UPV.

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تاریخ:

1402/09/20

تعداد بازدید:

134

منبع:

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