نتایج جستجو برای: continuously graded fiber reinforced
تعداد نتایج: 247300 فیلتر نتایج به سال:
به منظور افزایش مقاومت و ظرفیت باربری خاک، از فرآیند های مکانیکی و شیمیایی و یا از عناصر مسلح کننده استفاده می شود. لزوم تسلیح و تقویت خاک ها جهت کاربرد در پروژه های عمرانی و ژئوتکنیکی، نیاز به مواد و مصالح مسلح کننده ی جدید را طلب می کند، که الیاف پلیمری frp می تواند به عنوان یک گزینه در این خصوص مطرح شود. یکی از نقاط ضعف خاک های مسلح شده به مسلح کننده های لایه ای نظیر تسمه های فلزی و ژئوسنتتی...
Research on the mechanical properties of reinforced steel fiber concrete column under impact loading
In order to study the effect of different slenderness ratio and axial compression on lateral impact resistance reinforced steel fiber concrete columns, models with continuously varying were established analyze components. The results show that proper is helpful improve anti-impact ability Under normal working conditions, columns a less than 6.5 are recommended not exceed 0.6, for greater 12, sh...
The use of fiber reinforced polymer (FRP) bars in reinforced concrete members enhances corrosion resistance when compared to traditional steel reinforcing bars. Although there is ample research available on the behavior of FRP bars and concrete members reinforced with FRP bars under elevated temperatures (due to fire), there is little published information available on their post-fire residual ...
Glass fiber-reinforced polymer (GFRP) concrete reinforcement exhibits high strength, is lightweight, can decrease time of construction, and is corrosion resistant. However, research has shown that chemical reactions deteriorate the GFRP reinforcing bars over time, resulting in a reduced tensile capacity. This paper develops a time-variant probabilistic model to predict the tensile capacity of G...
PURPOSE To evaluate the fracture strength and the failure mode of endodontically treated teeth restored with composite resin overlays with and without glass-fiber reinforcement. MATERIALS AND METHODS A total of 32 extracted molars were divided into four equal groups. In the NFR-NFRC (no foundation restoration, no fiber-reinforced composite) and NFR-FRC (no foundation restoration, fiber-reinfo...
Natural fibers have recently become attractive to automotive industry as an alternative reinforcement for glass fiber reinforced thermoplastics. The best way to increase the fuel efficiency without sacrificing safety is to employ fiber reinforced composite materials in the body of the cars so that weight reduction can be achieved. Designing the structures with the focus on improvement aspects i...
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