ppt road construction.pptx
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Manish Kumar Mahara is presenting on road construction for their civil engineering diploma course. The document provides an overview of different types of roads in Nepal categorized by highways. It describes the key components of road construction including earth work preparation, types of pavements like flexible and rigid, and road construction elements such as the carriageway, pavement, kerb, shoulder, and sidewalk. Finally, it lists common equipment used in road construction projects like vibratory rollers, dozers, scrapers, concrete mixers, and barricading/signage boards.
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Road construction ppt for college rajkiya presentation
Rohit Nirmal presented on his summer internship focused on road construction. He discussed the different types of roads in India including national highways, state highways, and village roads. The presentation covered the key steps in road construction including earth work, pavement construction using flexible or rigid designs, and installation of elements like the carriageway, kerb, and sidewalk. Rohit highlighted the importance of road networks for a country's development and connectivity. He concluded that the internship provided valuable learning about the road construction process.
CHAPTER 1: INTRO TO HIGHWAY
The history of road construction can be traced back to ancient times in 5000 BC with the beginning of wheeled vehicles, and became more systematic under the Ancient Romans who constructed three classes of surfaces - flattened, gravelled, and paved. Major developments since then include Macadam roads in the 18th century using broken stone and Telford roads with uniform thickness layers and cambered profiles to improve drainage. Road networks in Malaysia began under British colonization to facilitate trade and administration.
Types of pavement
This document discusses two main types of pavement: flexible and rigid. Flexible pavement, like bituminous roads, acts like a flexible sheet and wheel loads are transferred through the sub-grade soil. Rigid pavement, like cement concrete roads, acts like a rigid plate with wheel loads transferred through the pavement's own flexural strength. It also outlines some of the key differences and failures that can occur in each type of pavement such as cracking, edge cracking, and failures in design, construction, materials or maintenance.
Construction of Road
This document provides an overview of concrete pavement construction for roads. It discusses the importance of road networks for development and describes the different types of roads in India. It then defines road pavement and describes the main types - flexible and rigid. Flexible pavement uses bitumen and has low initial cost but higher maintenance, while rigid pavement uses concrete and has higher initial cost but lower long-term maintenance. The document outlines the basic components of concrete pavement including cement, aggregates, water, and equipment used. It then explains the various steps of the construction process from site preparation to forming, placing concrete, compaction, curing and finishing.
chapter 1 ppt.pptx
Transportation engineering involves planning, designing, operating and managing transportation facilities to efficiently move people and goods. The document discusses the history and development of roads in India including recommendations from committees that guided road development plans. It describes classifications of roads from national highways and state highways to rural roads. Ancient Roman and modern construction techniques are compared.
Roads & Pavements
This document provides information on different types of roads and pavements. It discusses various road construction methods such as water bound macadam, tar bitumen roads, asphalt roads and cement concrete roads. It also covers soil stabilization techniques. For pavements, it describes different materials used like murram, brick, stone and drainage elements like crowns, shoulders, slopes, sub drains, culverts, ditches and gutters. Overall, the document presents an overview of road and pavement construction methods as well as drainage systems.
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This report summarizes the key aspects of highway construction, including different types of pavements, materials used, and construction process. It discusses rigid and flexible pavements, describing their characteristics and materials like cement, aggregates, and bitumen used in each. The site preparation and construction steps are outlined, from grading the land to installing base courses. Advantages of both rigid and flexible pavements are provided. In general, the report provides a high-level overview of highway and pavement design.
Recommended
Basics of Transportation Engineering
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Classification of roads
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Cross sections of road and railway
Causes of damage to roads
Traffic signs and signals
Significance of transportation in nation's development
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Road construction ppt for college rajkiya presentation
Rohit Nirmal presented on his summer internship focused on road construction. He discussed the different types of roads in India including national highways, state highways, and village roads. The presentation covered the key steps in road construction including earth work, pavement construction using flexible or rigid designs, and installation of elements like the carriageway, kerb, and sidewalk. Rohit highlighted the importance of road networks for a country's development and connectivity. He concluded that the internship provided valuable learning about the road construction process.
CHAPTER 1: INTRO TO HIGHWAY
The history of road construction can be traced back to ancient times in 5000 BC with the beginning of wheeled vehicles, and became more systematic under the Ancient Romans who constructed three classes of surfaces - flattened, gravelled, and paved. Major developments since then include Macadam roads in the 18th century using broken stone and Telford roads with uniform thickness layers and cambered profiles to improve drainage. Road networks in Malaysia began under British colonization to facilitate trade and administration.
Types of pavement
This document discusses two main types of pavement: flexible and rigid. Flexible pavement, like bituminous roads, acts like a flexible sheet and wheel loads are transferred through the sub-grade soil. Rigid pavement, like cement concrete roads, acts like a rigid plate with wheel loads transferred through the pavement's own flexural strength. It also outlines some of the key differences and failures that can occur in each type of pavement such as cracking, edge cracking, and failures in design, construction, materials or maintenance.
Construction of Road
This document provides an overview of concrete pavement construction for roads. It discusses the importance of road networks for development and describes the different types of roads in India. It then defines road pavement and describes the main types - flexible and rigid. Flexible pavement uses bitumen and has low initial cost but higher maintenance, while rigid pavement uses concrete and has higher initial cost but lower long-term maintenance. The document outlines the basic components of concrete pavement including cement, aggregates, water, and equipment used. It then explains the various steps of the construction process from site preparation to forming, placing concrete, compaction, curing and finishing.
chapter 1 ppt.pptx
Transportation engineering involves planning, designing, operating and managing transportation facilities to efficiently move people and goods. The document discusses the history and development of roads in India including recommendations from committees that guided road development plans. It describes classifications of roads from national highways and state highways to rural roads. Ancient Roman and modern construction techniques are compared.
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This document provides information on different types of roads and pavements. It discusses various road construction methods such as water bound macadam, tar bitumen roads, asphalt roads and cement concrete roads. It also covers soil stabilization techniques. For pavements, it describes different materials used like murram, brick, stone and drainage elements like crowns, shoulders, slopes, sub drains, culverts, ditches and gutters. Overall, the document presents an overview of road and pavement construction methods as well as drainage systems.
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This report summarizes the key aspects of highway construction, including different types of pavements, materials used, and construction process. It discusses rigid and flexible pavements, describing their characteristics and materials like cement, aggregates, and bitumen used in each. The site preparation and construction steps are outlined, from grading the land to installing base courses. Advantages of both rigid and flexible pavements are provided. In general, the report provides a high-level overview of highway and pavement design.
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- Key considerations in highway design like alignment factors, engineering surveys, and geometry elements such as sight distance and vertical/horizontal curves.
- India's road development history including major committees and plans from the 1920s to 1980s that targeted increasing total
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It provides details on the purpose and design standards for each element, such as recommended widths for different road types. For example, it recommends a minimum shoulder width of 2.5m and notes their purpose is to serve as an emergency lane.
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This document discusses the history and components of road development and transportation planning. It covers:
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This document provides details about typical cross-sections of roads and highways, including pavement surfaces and drainage elements. It discusses the importance of friction between wheels and pavement, pavement smoothness, light reflection characteristics, and drainage. It also describes typical layers in flexible pavements like seal coats, surface courses, binder courses, and subgrades. Finally, it outlines other cross-section elements such as shoulders, medians, footpaths, barriers, and bus bays.
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Tunnels are underground passages constructed for various purposes such as transportation, infrastructure, and military use. Key points from the document:
- Tunnels can carry vehicles, trains, water, sewage, and more underground or under water obstacles.
- They are built when roads encounter obstacles like mountains or water barriers to provide an alternative to bypassing or bridging over the obstacle.
- Tunnel construction has a long history dating back thousands of years, with modern techniques now using tunnel boring machines and advanced engineering methods.
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The document discusses the key concepts of highway geometric design. It defines highway engineering and geometric design, explaining that geometric design deals with the visible dimensions and layout of highways. The document outlines several goals of geometric design including maximizing comfort, safety and efficiency. It also lists factors that influence design decisions such as design speed, traffic, and vehicle characteristics. The document explains concepts like road alignment, cross-sections, pavement design and traffic signs that are important to geometric design.
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It provides details on the purpose and design standards for each element, such as recommended widths for different road types. For example, it recommends a minimum shoulder width of 2.5m and notes their purpose is to serve as an emergency lane.
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ูุน ุชูุฑูุนุงุช ู
ุนููู
ุงุช ุงูุฌูุงุฒ ุงูููููู ุงูู
ุฐููุฑุฉ ูู ูุฐูู ุงูู
ูุฒู
ุฉ
ูุงุฎูุฑุงู ูุฐูู ุงูู
ูุฒู
ุฉ ุญูุงูู ุนูููู
ูุฅุชู
ูู ู
ููู
ุฅู ุชุฏุนููู ุจุงูุฎูุฑ ูุงูุตุญุฉ ูุงูุนุงููุฉ ููุท
ูู ุงูุชูููู ุฒู
ูุงุฆู ูุฒู
ููุงุชู ุ ุฒู
ูููู
ู
ุญู
ุฏ ุงูุฐูุจู ๐๐
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- 1. SELF INTRODUCTION โข PRESENTED BY: MANISH KUMAR MAHARA โข COURSE: DIPLOMA โข BRANCH:- CIVIL ENGINEERING โข ENROLLMENT NO:-2000749
- 2. CONTENTS โข Introduction โข Road โข Earth work โข Pavements โข Types of pavents โข Road Types โข Road way contruction โข Equipments
- 3. INTRODUCTION โข Development of a country depends on the connectivity of various place with adequate road network โข For the purpose of management and administration, road in nepal are divided into the following categories โข 1:-Tribhuvan highway โข 2:-Siddtharth highway โข 3:- Ratna highway โข 4:-Araniko highway โข 5:-Village highway
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- 5. Earth work The sub-grade soil is prepared by bringing it to desire grad โค Soil filing โคSpreading and Levelling โค compaction
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- 11. Roadway constrution A) Carrageway B)Pavement
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- 14. EQUIPMENT โข Compacting material(vibratory roller โข Dozer and scrapor โข Power shover shovels โข Concrete mixer โข Watering device โข Mild steel section and block โข Baricading โข Signage bord
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