نتایج جستجو برای: basalt fibers
تعداد نتایج: 73921 فیلتر نتایج به سال:
The use of fabrics in the form grids embedded cementitious matrices—usually termed as textile-reinforced mortar, fiber-reinforced matrix, or concrete—demonstrate a more stable performance elevated temperature conditions compared with polymers. This study investigated residual tensile properties bare yarns and mortar after exposure to 100 °C, 200 300 °C. Three different coated fabric textiles we...
Clay has a low environmental impact and can develop into many different products. The research presents two case studies. In the first, clay is binder of raw earth doughs in order to produce clay-bricks. We investigate effects natural fibrous reinforcements (rice straws basalt fibers) four mixtures. From comparison with mix without reinforcements, it possible affirm that 0.40% fibers reduce shr...
Different fibers like steel, glass, basalt, coconut, sugarcane are used to improve the tensile strength in concrete. The bagasse fiber (SCBF) is utilized this paper work. This SCBF final extract of sugar industries which contains large fibers. main objective study effect on permeation properties geopolymer concrete (GPC) G40 and compared its equivalent M40 grade. specimens conventional (CC) wit...
In this research, effect of opening on the buckling of FMLs (Fiber Metal Laminate) is studied. Samples are made of a laminate, epoxy resin reinforced with four layers of woven basalt fibers, inserted between two Al plates. Different samples are prepared, tested and studied; one group without opening and the other two groups with circular openings of radii 10 and 20 mm. In all samples buckling i...
In recent years, even if Fiber Reinforced Polymer (FRP) composites have been widely used for strengthening of civil buildings, a new generation of materials has been studied and proposed for historical masonry construction. These buildings, mainly made of stone work, are common in many areas of Europe and Asia and recent earthquakes has been the cause of many catastrophic failures. The brittlen...
Structural strengthening is needed in buildings that experience a decrease serviceability, inappropriate quality of existing concrete, and unexpected natural events such as earthquakes. One method has been widely used for structural external restraint using synthetic Fiber Reinforced Polymer (FRP). External restraints on concrete can significantly increase the strength ductility concrete. The u...
In order to study the basic mechanical properties of basalt fiber reinforced recycled aggregate concrete, the concrete mix ratio, the length and the volume mixing ratio of chopped basalt fiber yarn are designed for changing factors. A total of 324 specimens have been completed for this investigation. The compressive strength, splitting tensile strength, elastic modulus and axial compressive str...
In this work, basalt fibers (BF) have been investigated as possible natural and sustainable replacements for the common synthetic mineral filler—glass (GF)—used in polyamide 66 matrix (PA66). Composites prepared at two different fiber concentrations (15 25 wt.%, respectively) by melt blending. The developed systems mainly characterized thermogravimetric analysis (TGA), differential scanning cal...
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