Shear strength characteristics of fiber reinforced fly ash
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1. The document studies the effect of adding polyethylene fibers on the strength properties of fly ash obtained from a local thermal power station, through unconsolidated undrained triaxial tests. 2. The study found that adding fibers increased the peak deviator stress, elastic moduli, strain at failure and shear strength parameters like cohesion and angle of internal friction of the fly ash. Higher fiber content and aspect ratio led to greater improvements in strength. 3. The increased strength is due to fibers transferring shear stresses better and providing more surface area for interlocking with increasing aspect ratio, leading to more ductile failure behavior in reinforced fly ash.
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Estimation of CBR value using Dynamic Cone Penetrometer Guru Nank Dev Engineering College, Ludhiana, Punjab, India-141006
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Challenges for Geotechnical Engineering EducationGuru Nank Dev Engineering College, Ludhiana, Punjab, India-141006
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Earthquake Hazards: Effects and its mitigation
Earthquake Hazards: Effects and its mitigationGuru Nank Dev Engineering College, Ludhiana, Punjab, India-141006
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This document discusses liquefaction of soil during earthquakes and its effects based on case studies. It covers:
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2) Factors influencing liquefaction potential such as soil type, density, water content, and depth to water table based on a case study of the 1964 Niigata earthquake in Japan.
3) Options for mitigating liquefaction including soil densification, stabilization, drainage, and structural measures like reinforcement and foundation modification.
FRC Pavs. [Naeem rezghi]
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EXPERIMENTAL STUDY ON COIR FIBRE REINFORCED FLYASH BASED GEOPOLYMER CONCRETE ...
Objective: To investigate the behavior of coir fiber as reinforcement in geopolymer concrete. Analysis: Low-calcium fly ash is used as the production of geopolymer concrete. Before using in concrete coir fiber is treated with latex adhesive solution. Coir fiber of length 25mm with various percentages i.e.., 0%, 0.75%, 1.5%, 2.25%, 3% are used. The combination of Na2SiO3 solution &NaOH result was used for fly ash activation. Binding agent to fly ash ratio was 0.45.The molarity used was 12M (Molars). Ambient curing is followed for this work. Findings: The various strength parameters were tested at various ages i.e.., 7, 14 and 28 days. Applications: Coir fiber which is acting as reinforcement added to resist the micro cracks. So this can be applicable where the requirement to resist the micro cracks.
Dewatering Equipment By Satyam Dewatering Systems, Chennai
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SHEAR STRENGTH THEORY
SHEAR STRENGTH THEORY
the shear strength of any material is the load per unit area or pressure that it can withstand before undergoing shearing failure.
Stress-Strain Curve, Shear Force and Bending Moment
The document discusses stress-strain curves, shear force, and bending moments. It defines stress as the force per unit area and strain as the extension or reduction per unit length. Stress-strain curves show the elastic region, yielding, strain hardening, and failure points for brittle and ductile materials. Beams are horizontal structural elements that resist loads through bending. Shear force is the sum of forces to the left or right of a cut section, while bending moment is the sum of the moments. Shear force and bending moment diagrams are used to analyze the reactions, shear forces, and bending moments in beams under different load types.
Traffic & transportation – ii
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An overview of emerging trends in construction technologies
Awareness in respect of Emerging Trends in Construction technology play a vital role in mitigating impacts of built environment on natural environment. Use of alternative materials and technologies impel towards sustainable development. This is an effort to bridge the gap between Industry and academia.
RECYCLING OF WASTE IN CHEMICAL AND OTHER INDUSTRIES,FLY ASH ...
1) The document discusses recycling and utilization of industrial waste and fly ash. It describes different types of hazardous waste generated by various industries like chemical, printing, vehicle maintenance etc. and methods of recycling these wastes.
2) Methods of recycling discussed include recycling of sulfuric acid, hydrochloric acid, polymers and plastics through processes like sorting, chopping, washing, drying etc. Recycling of metals like iron and steel is also described.
3) The uses of fly ash from coal combustion in applications like cement, soil stabilization, waste treatment and brick manufacturing are highlighted. Recycling helps conserve resources and reduces pollution.
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Utilization of plastic waste for improving the subgrades in flexible pavements
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L046016769
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Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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- 1. A.K.Choudhary*, J.N.Jha**,K.S.Gill** *National Institute of Technology, Jamshedpur **Guru Nanak Dev Engg. College, Ludhiana
- 11. Peak deviator stress vs Fiber content Sr.No. d f l f l f / d f Confining pressure (kPa) Fiber content (%) Peak deviator stress (kPa) 1.0 0.20 5.0 25 98.10 Nil 177 0.25 255 0.50 294 1.0 372 2.0 0.20 10.0 50 196.20 0.25 436 0.50 488 1.0 549 3.0 0.20 15.0 75 294.30 0.25 706 0.50 763 1.0 1044
- 12. Peak deviator stress vs Aspect ratio Sr.No. d f l f Confining pressure (kPa) Fiber content (%) l f / d f Peak deviator stress (kPa) 1.0 0.20 5 98.10 0.25 25 255 10 50 275 15 75 367 2.0 5 196.20 0.50 25 415 10 50 488 15 75 604 3.0 5 294.30 1.0 25 570 10 50 692 15 75 1044
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