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Friday, July 17, 2020 | History

2 edition of Origins of shear strength of polymers and reinforced polymers. found in the catalog.

Origins of shear strength of polymers and reinforced polymers.

Karen Ka Yan Liu

Origins of shear strength of polymers and reinforced polymers.

by Karen Ka Yan Liu

  • 254 Want to read
  • 38 Currently reading

Published by National Library of Canada = Bibliothèque nationale du Canada in Ottawa .
Written in English


Edition Notes

SeriesCanadian theses = Thèses canadiennes
The Physical Object
Pagination218 leaves.
Number of Pages218
ID Numbers
Open LibraryOL19303655M
ISBN 100612279960

Carbon fiber reinforced polymer, Carbon fibre reinforced polymer, or carbon fiber reinforced plastic, or carbon fiber reinforced thermoplastic, is an extremely strong and light fiber-reinforced plastic which contains carbon fibers. The spelling 'fibre' is usual outside the USA. CFRPs can be expensive to produce but are commonly used wherever high strength-to-weight ratio and stiffness .   Fibre-reinforced polymer (FRP) reinforcement has been used in construction as either internal or external reinforcement for concrete structures in the past decade. This book provides the latest research findings related to the development, design and application of FRP reinforcement in new construction and rehabilitation works.

In-Plane Shear Strength of Reinforced Plastics ASTM D Scope: This test method, ASTM D, evaluates the in-plane shear strength of reinforced thermosetting sheet plastics with random oriented fiber reinforcement by applying compressive load to a notched specimen of uniform width.   Independent, practical guidance on the structural design of polymer composites is provided for the first time in this book. Structural designers familiar with design of conventional structural materials such as steel and concrete will be able to use it to design a broad range of polymeric composites for structural applications, using glass fibre reinforced plastic materials, components 2/5(1).

served, the short-beam strength determined from this test method cannot be attributed to a shear property, and the use of Eq 1 will not yield an accurate value for shear strength. symmetric laminate, n—a continuous fiber-reinforced laminate in which each ply above the mid-plane is identicallyFile Size: KB. Qi An, Matthias J. Merzkirch, Aaron M. Forster The interlaminar and intralaminar shear properties, such as modulus and strength, are important for the design of fiber reinforced polymer (FRP) composite.


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Origins of shear strength of polymers and reinforced polymers by Karen Ka Yan Liu Download PDF EPUB FB2

In tests on neat polymers, it was shown that for most of the polymers, the tensile strength was approximately the same as the shear strength measured by the punch test.

Classical shear sliding off failure appeared to be rare, and instead most of the polymers seemed to be failing in tension. Shear strength of fibre-reinforced polymer reinforced concrete deep beams without web reinforcement Ahmed K. El-Sayed, a Ehab F. El-Salakawy, b Brahim Benmokrane c a Center of Excellence for Concrete Research and Testing, Department of Civil Engineering, King Saud University, P.O.

BoxRiyadhKingdom of Saudi by: Deficiency in two-way shear strength may be due to design/construction errors, material under-strength, or overload.

Fiber reinforced polymer (FRP) composite laminates in the form of sheets and/or strips are used in structurally deficient flat slab systems to enhance the two-way shear capacity, flexural strength, stiffness, and : Osama Ahmed Mohamed, Manish Kewalramani, Rania Khattab.

The shear behaviour of continuous concrete beams reinforced with glass fiber reinforced polymer (GFRP) bars without shear reinforcement has not been studied yet. However, the current codes and guidelines for FRP-reinforced concrete (RC) structures provide shear provisions that are applicable to both simple and continuous by: 3.

them made with natural polymer i.e. rubber latex. The shear capacity shown by the beams were compared both theoretically and experimentally, the PMB shows 2% to 10% increase in shear capacity as compared to polymer free beams. Keywords—Normal strength Concrete, Polymer modified beams (PMB), Rubber Latex, Shear : Manjunath C N, Sanjith J, Mohan Kumar K N, Kiran B M.

This paper describes an experimental program conducted to examine the structural performance of fibre reinforced polymer (FRP) stirrups as shear reinforcement for concrete structures.

A total of ten large-scale reinforced concrete beams were tested to investigate the contribution of the FRP stirrups in a beam mechanism. The ten beams included four beams reinforced with carbon fibre reinforced. A diverse range of polymers can be used as the matrix to FRP composites, and these are generally classified as thermoset or thermoplastic resins.

In almost all engineering applications requiring high stiffness, strength, and fatigue resistance, composites are reinforced with continuous fibers rather than small particles or whiskers. Carbon-fiber-reinforced polymer or carbon-fiber-reinforced plastic (CFRP or CRP or often simply carbon fiber), is a very strong and light fiber-reinforced polymer which contains car‐ bon fibers.

Many new techniques have used the lightweight, high strength and the corrosion resistance of fiber reinforced polymers laminates for repair and retrofit applications. Epoxy bonding of Carbon Fiber Reinforced Polymers (CFRP) sheets to the tension area of steel girders improves the ultimate load carrying capacity and stiffness of the member while.

Design, Testing, Analysis, and Material Properties of Carbon Fiber Reinforced Polymers By Andrew Miner & Simon Jones, Ph.D.

May 30th, Abstract: Rose-Hulman Institute of Technology excels in many fields, however in the field of Carbon Fiber Reinforced Polymers (CFRPs) there is a significant lack of knowledge. Over theCited by: 1. Strength of short fibre reinforced polymers. / In book: Science and Engineering of Short Fibre Reinforced Polymer Composites (pp) In discontinuous fiber.

This study is concerned with the determination of the effects of shear span-to-depth ratio (a / d) and beam depth, or size, on the concrete contribution to the shear resistance of beams longitudinally reinforced with carbon fiber-reinforced polymer (CFRP) bars.

Abstract. This research studies the interaction of concrete, steel stirrups, and external fiber reinforced polymer (FRP) sheets in carrying shear loads in reinforced concrete beams.

A total of eight tests were conducted on four laboratory-controlled concrete T-beams. The beams were subjected to a. Deficiency in two-way shear strength may be due to design/construction errors, material under-strength, or overload.

Fiber reinforced polymer (FRP) composite laminates in the form of sheets and/or strips are used in structurally deficient flat slab systems to enhance the two-way shear capacity, flexural strength, stiffness, and ductility. American Society for Testing and Materials ().

“ASTM D / DM - 06a() standard test method for measuring the curved beam strength of a fiber-reinforced polymer-matrix composite,” in Annual Book of ASTM Standards (West Conshohocken, PA), Vol.

1– Google ScholarAuthor: Remko Akkerman, Mark Bouwman, Sebastiaan Wijskamp. The interface shear strength results are shown in Table 2. One can see a slow increase of pulling load due to CF monofilament tightening while pulling from the polymer, then a steady increase of the pulling load because of elongation of the CF monofilament, and, finally, a : A.

Karaeva, N. Kazennov, V. Mordkovich, S. Urvanov, E. Zhukova. To avoid this large mass and corrosion issue this research focuses on the usage of natural fibre reinforced polymer-concrete composite.

The fibres considered are basalt, flax and coconut fibre. The concrete is enhanced by coconut fibre, and basalt/flax fabric is used to reinforce the : J.

Chen, Y. Lv, Z. Li, N. Chouw. Abstract. Improvement of shear strength of the soil may be undertaken by a variety of ground improvement techniques like stabilization of soil, adoption of reinforced earth techniques like stabilization of soil, adoption of reinforced earth techniques etc.

reinforced earth technique is considered as an effective ground improvement method because of it’s cost effectiveness, easy adaptability.

Shear Testing. Shear testing for plastics, polymers and composites with valuable data attained for quality control and comparisons of material. Shear tests are used to determine such attributes as shear strain, shear stress and shear modulus, report the stress, strain, modulus and failure mode (if applicable), as awareness of the ‘deformable’ mechanical properties of plastics, composites.

Polymer matrix composites (PMCs) consist of a polymer resin reinforced with fibers, an example of which is the combat helmet. PMCs can be subdivided into two categories, based on whether the fiber reinforcement is continuous or discontinuous.

PMCs with discontinuous fibers (less than mm long. Shear failure of reinforced concrete (RC) beams is often sudden and catastrophic.

A timely shear strengthening of deficient RC beams is therefore critical in view of maintaining public safety. In this dissertation, the effectiveness of externally bonded sprayed glass fiber reinforced polymer (Sprayed GFRP) in shear strengthening of RC beams under both quasi-static and impact loading was Cited by: 8.One possibility for strengthening existing flat slabs consists on gluing fibre reinforced polymers (FRPs) at the concrete surface.

When applied on top of slab–column connections, this technique allows increasing the flexural stiffness and strength of the slab as well as its punching strength. Nevertheless, the higher punching strength is associated to a reduction on the deformation capacity.D/DM Test Method for In-Plane Shear Response of Polymer Matrix Composite Materials by Tensile Test of a 45 Laminate.

D Test Method for In-Plane Shear Strength of Reinforced Plastics. D Terminology for Composite Materials. D/DM Test Method for In-Plane Shear Properties of Polymer Matrix Composite Materials by the Rail.