Experimental study on the unconfined compressive strength of carbon fiber reinforced clay soil

Gao, Lei; Zhou, Qiuyue; Yu, Xiaohui; Wu, Kexiong; Mahfouz, Ali H.

doi:10.1080/1064119x.2015.1102184

Cited by 33 publications

(24 citation statements)

References 14 publications

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“…There are generally studies on RDFRS in the literature due to these advantages. (Gao et al, 2015). Therefore, only literature research on RDFRS will be given in this paper.…”

Section: Fiber Studies Available In the Literaturementioning

confidence: 99%

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Zeminlerin Doğal ve Sentetik Lifler ile Güçlendirilmesi Üzerine Bir Derleme Çalışması

Yazici

Keskin

2021

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Soil reinforcement techniques are frequently used to improve the engineering properties of soils in geotechnical engineering applications. For this purpose, natural and synthetic fibers have managed to attract the attention of geotechnical engineerings as an alternative reinforcement technique to traditional stabilization methods due to their sufficient strength, low cost and easily availability. The purpose of this study is to create a review on the effects of parameters such as fiber type, physical and mechanical properties of fiber, fiber quantity, fiber length and fiber surface roughness on the engineering properties of different types of soils, according to data of scientific studies on the reinforced-soils using different types of natural and synthetic fibers. Besides, this study contains information about the effects of water in the soil matrix on the behavior of natural fibers and the recommended treatments, in addition to the mechanical behavior of the fiber-soil composite.

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“…There are generally studies on RDFRS in the literature due to these advantages. (Gao et al, 2015). Therefore, only literature research on RDFRS will be given in this paper.…”

Section: Fiber Studies Available In the Literaturementioning

confidence: 99%

“…For this purpose, the soil dried the oven or in the air is mixed with the fiber material first and then the required amount of water is added to this mixture (Sogancı, 2015;Liu et al, 2020;Tran et al, 2018;Gao et al, 2015;Motiram et al, 2018). Some researchers prepared mixtures using different methods from this procedure.…”

Section: Sample Preparationmentioning

confidence: 99%

Zeminlerin Doğal ve Sentetik Lifler ile Güçlendirilmesi Üzerine Bir Derleme Çalışması

Yazici

Keskin

2021

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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“…e reinforcing effect of fiber on soil is primarily reflected in two aspects: the one-dimensional lacing wire effect (Figure 13(a)) and the action of the three-dimensional network structure (Figure 13(b)) [35]. A simple description of the effect of one-dimensional lacing wire is as follows: a single fiber or multiple clustered fibers in the same direction are buried deep within the soil and covered by soil particles and hydrated cement products.…”

Section: Analysis Of the Reinforcing Mechanism Of Fiber-reinforcedmentioning

confidence: 99%

Performance of Polypropylene Fiber‐Reinforced Solidified Soil

Cheng

Weng

Tong

et al. 2021

Advances in Civil Engineering

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Urgent repair and construction of airstrips is a research hotspot in global airport engineering. Selecting the proper structural materials is a key component of the airstrip repair process. First, with unconfined compressive strength and splitting tensile strength, the fiber length and content of polypropylene (PP) fiber-reinforced solidified soil were optimized. Then, using a scanning electron microscope, the reinforcing mechanism of PP fiber on soil and the influence mechanism of fiber parameters on fiber-reinforced soil were discussed and analyzed. Lastly, a full-scale test section was paved, on which static and dynamic loading tests were performed to verify the carrying capacity and deformation characteristics of the full-scale test section. The above research provides a theoretical foundation and data support for the urgent repair and construction of airstrip. Results indicate that PP fiber with length of 12 mm and fiber content of 0.3% has optimal performance and economic cost. The reinforcing mechanism of fiber-reinforced soil can be summarized to be the effect of a one-dimensional lacing wire and the effect of a three-dimensional network structure. Fibers show two failure modes of pull-out and tensile failure. After 20000 dynamic loading cycles, the stress at the bottom of each structural section varies less, the graded plastic deformation is stable, and the cumulative plastic deformations of the fiber-reinforced soil base, solidified soil base, and cemented soil base pavement structures are 0.83 mm, 0.93 mm, and 1.2 mm, respectively. Pavement structure composed of fiber-reinforced solidified soil can meet the load capacity requirements for use in airstrips under the characteristics of time-sensitive application.

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“…The highest UCS was obtained at the fiber content of 0.5%, namely 635.4 kPa or an increase of 50.78% of the soil original. Several studies conducted UCS tests from soil mixed with coir fiber and other materials, including lime [16], using a mixture of bentonite, lime, gypsum [17], rice husk ash [6], [18], [19], fly ash [20], lime and coir fiber ash [16], carbon tetrachloride & sodium hydroxide [21], polypropylene fiber [22], basalt fiber [23], organic polymers and sisal fiber [24]. Widianti et al [25] have studied direct shear strength on clay strengthened with coconut fiber.…”

Section: Introductionmentioning

confidence: 99%

Unconfined Compressive Strength of Clay Strengthened by Coconut Fiber Waste

Widianti¹,

Diana²,

Fikriyah³

2021

Advances in Engineering Research

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Indonesia is a country that produces the largest coconut in the world. 35% of the coconut volume is coir. Coir is a waste that has not been widely used for construction work. The coir fibers have the highest tensile strength among other natural fibers and have resistance to compressive forces. In this study, the unconfined compressive strength (UCS) of clay strengthened with coconut fiber is presented. The specimens were made with the fiber percentage of 0.00%; 0.25%; 0.50%; 0.75%; and 1.00% by weight of the mixture. This study concluded that the clay's UCS has increased along with the more coconut fiber added. The maximum value of UCS and secant modulus was obtained in clay with fibers of 0.75%. The clay strengthened with coconut fiber becomes stiffer than the initial clay, thereby improving its soil stability.

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Experimental study on the unconfined compressive strength of carbon fiber reinforced clay soil

Cited by 33 publications

References 14 publications

Zeminlerin Doğal ve Sentetik Lifler ile Güçlendirilmesi Üzerine Bir Derleme Çalışması

Zeminlerin Doğal ve Sentetik Lifler ile Güçlendirilmesi Üzerine Bir Derleme Çalışması

Performance of Polypropylene Fiber‐Reinforced Solidified Soil

Unconfined Compressive Strength of Clay Strengthened by Coconut Fiber Waste

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