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Function of palm fiber in Stabilization of Alluvial Clayey Soil in Yangtze River Estuary

Journal of Renewable Materials 2021年第4期9卷 767-787页

作者： Jili Qu Hao Zhu Department of Civil Engineering School of Environment and ArchitectureUniversity of Shanghai for Science and TechnologyShanghai200093China

palm fiber is one of the favorable materials used in stabilization of soft soil in geotechnical engineering projects in recent years due to its nature of sustainability,no harm to the environment,biodegradability,availability and costeffectiveness in the context of widespread appeal from the world for returning to nature and protecting the earth our *** paper is aimed at exploring the mechanical performance of Shanghai clayey soil reinforced with palm *** unconfined compressive tests are carried out on samples treated with palm fibers of different lengths and contents,and the unconfined compressive strength(UCS),ductility rate(DR),secant modulus(SM),energy absorption capacity(EAC)and failure pattern(FP)of the reinforced and unreinforced samples have been analyzed with regard to their relationship with palm fiber contents and *** multiple regression,grey correlation and general correlation relationship analysis are applied to the resultant test data so as to obtain the mathematical and statistical equation of related soil *** has been concluded from the analysis that the unconfined compressive strength,ductility and energy absorption capacity of reinforced soil will increase with the increase in content and length of palm fiber,which are maximized when palm fiber content and length are 0.4%and 15 mm,*** the contrary,the secant modulus of reinforced soil decreases considerably with content and length of palm fiber as a ***,the failure pattern also changes from brittle to ductile gradually with the content and length of palm *** data provided by the analysis of reinforced soil can be referred to and used for the related geotechnical engineering in the *** the mathematical model obtained from the statistical regression is significantly meaningful because it can be used to predict the soil performance without the need for doing the additional tests,with saving in cost and ***’s more,the applic

关键词： palm fiber Shanghai clayey soil UCS EAC multiple regression analysis

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Producing Spinnable Regenerated Cellulosic fibers from palm fibers for Use in the Textile Industry

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Journal of Textile Science and Technology 2022年第4期8卷 163-186页

作者： Shahad Ibrahim Omar Badr Leeds British Academy Jeddah Kingdom of Saudi Arabia

The textile industry is considered a major industry worldwide, and some countries use available domestic raw materials for textile manufacturing, being one of many other economic resources. Meanwhile, the Kingdom of Saudi Arabia is at the forefront of States paying great attention to the cultivation of palm trees due to their great importance, which are an indispensable traditional food for a large portion of the population. However, huge quantities of palm’s by-products, especially palm fibers, are constantly wasted, although they can be effectively used to produce textiles of particular end uses such as ropes. This study, therefore, sought to explore the potential of extracting cellulose from palm fibers for use in the textile industry. The study has utilized the experimental approach by applying alkaline to palm fibers so as to extract inherent cellulose. It has also applied mechanical processing to turn cellulose into fibers. fibers’ physical properties (color, diameter, length), chemical properties (ratios of cellulose, hemicellulose, and lignin), and mechanical properties (tensile strength and elongation of fibers before and after treatment) were all studied. The study has proved that the physical, chemical and mechanical properties of regenerated cellulose fibers extracted from palm fibers are similar to those of other natural fibers such as bamboo and linen, and thus can be used in the textile industry. The study also compared different types of palm trees to determine the one that contains the largest concentration of cellulose. However, it was found that sugar palm fibers contain the highest cellulose concentration of 44% and therefore, it was selected for the application of the study’s theory. The study recommends making use of palm fiber in manufacturing textiles for particular end uses such as ropes, fillings and filters, as well as applying the theory of the study to other plants that have not yet been manipulated.

关键词： palm fiber Cellulose fiber Sugar palm Textile Industries

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Towards the Development of Mechanical Systems Entirely Based on Natural Materials

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Fluid Dynamics & Materials Processing 2022年第5期18卷 1285-1292页

作者： Fatima Zohra Elhilali Hicham Fihri-Fassi Hassan First University of Settat Settat26000Morocco

In order to mitigate the risks stemming from the utilization of mineral and synthetic organic substances,consensus exists in the literature that additional efforts should be devoted to the identification of adequate equivalent natural(ecological)*** work presents the outcomes of a preliminary study where the physical,mechanical,chemical and thermal properties of natural fibers have been ***,areca,and materials such as Moroccan doum and jute are *** a case study,a brake pad based on natural fibers is critically assessed.

关键词： Areca fiber doum fiber(Dwarf palm) jute fiber natural materials natural fibers palm fiber fiber’s properties

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