This document discusses different types of rigid concrete pavements, including precast prestressed, joint plain, joint reinforced, continuously reinforced, ultra-thin, and roller compacted pavements. It also describes common failure modes such as cracking, joint deficiencies, and rutting. The pavement design method in South Africa uses a computer simulation program to facilitate decision making. Proper construction practices for concrete roads include surface preparation, concrete mixing and placement, and sawing joints.
Reinforced earth is a combination of earth and linear reinforcing strips that are capable of bearing large tensile stresses.
The reinforcement provided by these strips enable the mass to resist the tension in a way which the earth alone could not. The source of this resistance to tension is the internal friction of soil, because the stresses that are created within the mass are transferred from soil to the reinforcement strips by friction.
Reinforced earth is a combination of earth and linear reinforcing strips that are capable of bearing large tensile stresses.
The reinforcement provided by these strips enable the mass to resist the tension in a way which the earth alone could not. The source of this resistance to tension is the internal friction of soil, because the stresses that are created within the mass are transferred from soil to the reinforcement strips by friction.
Design of rigid pavements. IRC method of design of rigid pavement. Transportation Engineering. Civil Engineering. Wheel loads on rigid pavement. Action of various stresses on rigid pavement. Highway engineering. How rigid pavements different from flexible pavements
Design of rigid pavements. IRC method of design of rigid pavement. Transportation Engineering. Civil Engineering. Wheel loads on rigid pavement. Action of various stresses on rigid pavement. Highway engineering. How rigid pavements different from flexible pavements
this slides is about the technologies like using HPC, SCC, high performance steel, prefabricated deck panels, spot welding system,GSSI bridge scan system used in construction of bridges
Comparative Analysis and Design of Voided Slab and RCC I Girder with Solid Sl...ijtsrd
This thesis is basically based on the comparison of the use of voided slab, RCC Solid slab and RCC Girder. In this study analysis and cost comparison of RCC Solid slab deck, RCC Voided slab deck and RCC Girder is done for superstructure spanning 20 m length. Solid slabs having greater span are uneconomical due to heavy dead load of concrete. To make it economical longitudinal beams are provided for spans greater than 10.0 m. Reinforced Concrete Girder is generally adopted for a fly over or road bridge, but in case of a river bridge with submersible superstructure, the longitudinal beams creates obstruction to the flow of water and results in additional stresses in cross direction on beams. To reduce the self weight of concrete without sacrificing its flexural strength, in solid slab voids are incorporated in concrete section. This technic offers many advantages over a conventional solid concrete slab like reduced material use, lower total cost of construction, and increased structural efficiency. This report also shows that the dead load of bridge superstructure can be reduced by providing voids in concrete where it is unnecessarily provided. Presence of voids within the concrete structure makes analysis of structure very complicated. The analysis of RCC Solid slab, RCC Girder and RCC voided slab deck for various loads as specified in IRC is done using staad pro software for span length of 20 m and width of 15.10 m. The analysis illustrates the behavior of bending moments, Shear Force, displacements, reactions for various load conditions. It is concluded that use of voided slab is more feasible for 20 m length and 15.10 m width. It is also economical as compared to solid slab and Reinforced concrete Girder. Kunal Songra | M. C. Paliwal "Comparative Analysis and Design of Voided Slab and RCC I Girder with Solid Slab in Bridge Structure" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-6 , October 2021, URL: https://www.ijtsrd.com/papers/ijtsrd47679.pdf Paper URL : https://www.ijtsrd.com/engineering/civil-engineering/47679/comparative-analysis-and-design-of-voided-slab-and-rcc-i-girder-with-solid-slab-in-bridge-structure/kunal-songra
Implicitly or explicitly all competing businesses employ a strategy to select a mix
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Kseniya Leshchenko: Shared development support service model as the way to ma...Lviv Startup Club
Kseniya Leshchenko: Shared development support service model as the way to make small projects with small budgets profitable for the company (UA)
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Sustainability has become an increasingly critical topic as the world recognizes the need to protect our planet and its resources for future generations. Sustainability means meeting our current needs without compromising the ability of future generations to meet theirs. It involves long-term planning and consideration of the consequences of our actions. The goal is to create strategies that ensure the long-term viability of People, Planet, and Profit.
Leading companies such as Nike, Toyota, and Siemens are prioritizing sustainable innovation in their business models, setting an example for others to follow. In this Sustainability training presentation, you will learn key concepts, principles, and practices of sustainability applicable across industries. This training aims to create awareness and educate employees, senior executives, consultants, and other key stakeholders, including investors, policymakers, and supply chain partners, on the importance and implementation of sustainability.
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1. Develop a comprehensive understanding of the fundamental principles and concepts that form the foundation of sustainability within corporate environments.
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1. Introduction and Key Concepts of Sustainability
2. Principles and Practices of Sustainability
3. Measures and Reporting in Sustainability
4. Sustainability Implementation & Best Practices
To download the complete presentation, visit: https://www.oeconsulting.com.sg/training-presentations
Business Valuation Principles for EntrepreneursBen Wann
This insightful presentation is designed to equip entrepreneurs with the essential knowledge and tools needed to accurately value their businesses. Understanding business valuation is crucial for making informed decisions, whether you're seeking investment, planning to sell, or simply want to gauge your company's worth.
RMD24 | Debunking the non-endemic revenue myth Marvin Vacquier Droop | First ...BBPMedia1
Marvin neemt je in deze presentatie mee in de voordelen van non-endemic advertising op retail media netwerken. Hij brengt ook de uitdagingen in beeld die de markt op dit moment heeft op het gebied van retail media voor niet-leveranciers.
Retail media wordt gezien als het nieuwe advertising-medium en ook mediabureaus richten massaal retail media-afdelingen op. Merken die niet in de betreffende winkel liggen staan ook nog niet in de rij om op de retail media netwerken te adverteren. Marvin belicht de uitdagingen die er zijn om echt aansluiting te vinden op die markt van non-endemic advertising.
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Enterprise Excellence is Inclusive Excellence.pdfKaiNexus
Enterprise excellence and inclusive excellence are closely linked, and real-world challenges have shown that both are essential to the success of any organization. To achieve enterprise excellence, organizations must focus on improving their operations and processes while creating an inclusive environment that engages everyone. In this interactive session, the facilitator will highlight commonly established business practices and how they limit our ability to engage everyone every day. More importantly, though, participants will likely gain increased awareness of what we can do differently to maximize enterprise excellence through deliberate inclusion.
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Enterprise Excellence is a holistic approach that's aimed at achieving world-class performance across all aspects of the organization.
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A way to engage all in creating Inclusive Excellence. Lessons from the US military and their parallels to the story of Harry Potter. How belt systems and CI teams can destroy inclusive practices. How leadership language invites people to the party. There are three things leaders can do to engage everyone every day: maximizing psychological safety to create environments where folks learn, contribute, and challenge the status quo.
Who might benefit? Anyone and everyone leading folks from the shop floor to top floor.
Dr. William Harvey is a seasoned Operations Leader with extensive experience in chemical processing, manufacturing, and operations management. At Michelman, he currently oversees multiple sites, leading teams in strategic planning and coaching/practicing continuous improvement. William is set to start his eighth year of teaching at the University of Cincinnati where he teaches marketing, finance, and management. William holds various certifications in change management, quality, leadership, operational excellence, team building, and DiSC, among others.
3.0 Project 2_ Developing My Brand Identity Kit.pptxtanyjahb
A personal brand exploration presentation summarizes an individual's unique qualities and goals, covering strengths, values, passions, and target audience. It helps individuals understand what makes them stand out, their desired image, and how they aim to achieve it.
Cracking the Workplace Discipline Code Main.pptxWorkforce Group
Cultivating and maintaining discipline within teams is a critical differentiator for successful organisations.
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The world of search engine optimization (SEO) is buzzing with discussions after Google confirmed that around 2,500 leaked internal documents related to its Search feature are indeed authentic. The revelation has sparked significant concerns within the SEO community. The leaked documents were initially reported by SEO experts Rand Fishkin and Mike King, igniting widespread analysis and discourse. For More Info:- https://news.arihantwebtech.com/search-disrupted-googles-leaked-documents-rock-the-seo-world/
2. INTRODUCTION
TYPES OF RIGID PAVEMENTS
FAILURE MODES OF RIGID PAVEMENT
PAVEMENT DESIGN METHOD IN SOUTH AFRICA
CONSTRUCTION PRACTICES
SUMMARY AND CONCLUSION
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PRESENTATION OUTLINE
3. CONCRETE ROADS/RIGID PAVEMENTS - A pavement with road
surface of concrete on a gravel base and subbase, with or
without steel reinforcement and often with transverse joints.
Load Transfer Mechanism
Economics of Rigid Pavement over Flexible Pavements
Longer relative service life
Maintenance free over designed lifespan
Quick construction
High reflective surface
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INTRODUCTION
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TYPES OF RIGID PAVEMENTS
Precast pre-stressed pavements (adopted from www.concreteconstruction.net)
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TYPES OF RIGID PAVEMENTS
CRCP (adopted from www.eupave.eu)JPCP (adopted from onlnemanuals.txdot.gov)
15. cncPave is a computer simulation program whose purpose is
to facilitate competent decision-making when designing
concrete pavements.
Standards of serviceability are determined by the road
engineer.
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PAVEMENT DESIGN METHOD IN SOUTH
AFRICA
16. Preparation of the base layer
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CONSTRUCTION PRACTICES
Proper surface preparationPresence of leaves and mud
17. Concrete mixing and transport
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CONSTRUCTION PRACTICES
Drop concrete at low heights to stifle segregationContinuous batching from Readymix Plant
18. Concrete paving
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CONSTRUCTION PRACTICES
Slip form for accurate level Paver wheels so sit on level surface
Use of supersmoother for finer finish Sawn Joints
19. SUMMARY
Proper design and its accurate execution ensures durable and
structurally sound rigid pavements.
The choice of a pavement material or method requires careful
consideration, accurate analysis and total commitment.
CONCLUSION
Current trends show that concrete pavements are the prime
choice compared to flexible pavements.
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SUMMARY AND CONCLUSION