Experimental Study on the Effect of Hemp Fiber on Mechanical Properties of Stabilized Clayey Soil

ABSTRACT

Clayey soils have fine particles and contain clay minerals. Therefore, they are sensitive to water and cause stability problems. Nowadays, soil stabilization is an accepted method to resolve the problem of stability. In this study, hemp fiber was used as an additive material for stabilization of clayey soil. The use of fibers in the stabilization of clayey soils is becoming widespread, particularly with regard to applications involving the stabilization or reinforcement of shallow steep earth slopes and steep cover systems for landfills. In these applications, the use of natural fibers use is very important due to their environmentally friendly properties. Hemp legally planted in different countries is used in several industries, such as paper, textiles, clothing, biodegradable plastics, construction, body products, health food, and biofuel. In this study, hemp fiber was preferred because of its natural and environmentally friendly properties. To observe the effect of hemp fiber on the compressive strength of clayey soil material, the unconfined compression tests and shear box tests were carried out under laboratory conditions. The experimental results showed that hemp fiber is effective on the compressive strength of clayey soils. As a result, hemp fiber can be used successfully in clayey soil stabilization as an environmentally friendly material.

摘要

粘性土具有细颗粒, 含有粘土矿物. 因此, 它们对水很敏感, 会导致稳定性问题. 目前, 土壤稳定是一种公认的解决稳定性问题的方法. 在这项研究中, 大麻纤维被用作粘土稳定的添加剂. 纤维在粘土稳定中的应用越来越广泛, 尤其是在涉及稳定或加固浅陡坡和填埋场陡坡覆盖系统的应用中. 在这些应用中, 天然纤维的使用非常重要, 因为它们具有环保特性. 在不同国家合法种植的大麻被用于造纸、纺织、服装、生物降解塑料、建筑、身体产品、保健食品和生物燃料等行业. 在这项研究中, 大麻纤维是首选的, 因为它具有天然和环保的特性. 为了观察大麻纤维对粘性土材料抗压强度的影响, 在实验室条件下进行了无侧限压缩试验和剪切箱试验. 试验结果表明, 大麻纤维对粘性土的抗压强度是有效的. 因此, 大麻纤维可以作为一种环境友好的材料成功地用于粘土稳定.

KEYWORDS:

• Clayey soil
• expansive soil
• hemp fiber
• soil stabilization
• compressive strength

关键词:

• 粘性土
• 膨胀土
• 大麻纤维
• 土壤稳定
• 抗压强度

Highlights

• Hemp fiber is a natural and eco-friendly material

• Hemp fiber improves the geotechnical properties of clayey soils

• Hemp fiber reduces environmental hazards in the geotechnical applications

Disclosure statement

No potential conflict of interest was reported by the author(s).