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Civil Engineering Orientation - Preliminary Examination Notes, Lecture notes of Civil Engineering

Consist of lecture notes of the topics: - Civil Engineering History - Current Fields in Civil Engineering - Structural Engineering - Construction Engineering and Management - Geotechnical Engineering

Typology: Lecture notes

2023/2024

Available from 08/30/2024

keith0210
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CIVIL ENGINEERING HISTORY
Engineer
The one who “designs” or “makes”, or “put to practical
use” engines or machinery
One who “designs” or “constructs” public works
Engineering
Derived from the Latin words “INGENIUM” which
means cleverness” and “INGENIARE” which means
“to contrive or devise”.
Defined as the creative application of “scientific
principles to design or develop structures, machines,
apparatus, or manufacturing process for an intended
function.
Civil Engineer
One who “plans” and “builds” railways, docks as
opposed to military engineers and mechanical
engineers who makes machine.
Civil engineers design, build, and maintain the
foundation for our modern society our buildings,
roads and bridges, drinking water and energy systems,
sea ports and airports, and the infrastructure for a
cleaner environment, to name just a few.
American Society of Civil Engineers (ASCE)
Civil Engineering
The professional engineering discipline focusing on
design, construction and maintenance of
infrastructures that serve the general public
Defined by Cambridge Dictionary as the “planning and
building of public roads, bridges, and buildings”
Is considered to be of the “oldest” and the “broadest”
engineering discipline
The Beginnings of Engineering
The Agrarian Societies
Believed to be developed about 3300 BCE and started
in four areas:
- Mesopotamia
- Egypt and Nubia
- The Indus Valley
- The Andes Mountains of South America
Major Engineering Contributions:
- Irrigations
- Farming implements
- Shelters
Mesopotamia
Known as the “cradle of civilization” and was home to
many civilizations
Located between two rivers, Tigris and Euphrates
where its fertility came from.
Engineering contributions:
- Irrigations
- Dams and aqueducts to control water
- Mathematical system (60minute-hour, 24hour-day,
360degrees circle)
Egyptian Engineering
Excellent knowledge on geometry and measurement
evident on the accuracy of the pyramids
stone – used for tombs and eternal dwellings of the
dead
mud brick – used for domestic dwellings, palaces,
temple walls
Engineering contributions:
- Irrigation systems
- Palaces, temples, domestic & eternal dwellings
Greek Engineering and Architecture
Concerned with simplicity, proportion and perspective.
Adoption of the form of column and beam lintel
construction
Engineering innovations:
- Temples, theaters, stadia
- Use of marbles in public buildings
- Mastery of iron
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CIVIL ENGINEERING HISTORY

Engineer

  • The one who “designs” or “makes”, or “put to practical use” engines or machinery
  • One who “designs” or “constructs” public works Engineering
  • Derived from the Latin words “INGENIUM” which means “cleverness” and “INGENIARE” which means “to contrive or devise”.
  • Defined as the creative application of “scientific principles to design or develop structures, machines, apparatus, or manufacturing process for an intended function. Civil Engineer
  • One who “plans” and “builds” railways, docks as opposed to military engineers and mechanical engineers who makes machine.
  • Civil engineers design, build, and maintain the foundation for our modern society – our buildings, roads and bridges, drinking water and energy systems, sea ports and airports, and the infrastructure for a cleaner environment, to name just a few.
  • American Society of Civil Engineers (ASCE) Civil Engineering
  • The professional engineering discipline focusing on design, construction and maintenance of infrastructures that serve the general public
  • Defined by Cambridge Dictionary as the “planning and building of public roads, bridges, and buildings”
  • Is considered to be of the “oldest” and the “broadest” engineering discipline The Beginnings of Engineering The Agrarian Societies
  • Believed to be developed about 3300 BCE and started in four areas:
  • Mesopotamia
  • Egypt and Nubia
  • The Indus Valley
  • The Andes Mountains of South America
  • Major Engineering Contributions:
  • Irrigations
  • Farming implements
  • Shelters Mesopotamia
  • Known as the “cradle of civilization” and was home to many civilizations
  • Located between two rivers, Tigris and Euphrates where its fertility came from.
  • Engineering contributions:
  • Irrigations
  • Dams and aqueducts to control water
  • Mathematical system (60minute-hour, 24hour-day, 360degrees circle) Egyptian Engineering
  • Excellent knowledge on geometry and measurement evident on the accuracy of the pyramids stone – used for tombs and eternal dwellings of the dead mud brick – used for domestic dwellings, palaces, temple walls
  • Engineering contributions:
  • Irrigation systems
  • Palaces, temples, domestic & eternal dwellings Greek Engineering and Architecture
  • Concerned with simplicity, proportion and perspective.
  • Adoption of the form of column and beam lintel construction
  • Engineering innovations:
  • Temples, theaters, stadia
  • Use of marbles in public buildings
  • Mastery of iron

Roman Engineering

  • The romans are considered to be the greatest systematic road builders
  • Use of concrete consisting of Pozzolana (volcanic ash), lime and water
  • Engineering contributions:
    • Public roads
    • Construction of bridges
    • Aqueducts
    • Harbors Roman Aqueducts
  • An aqueduct is a channel/bridge built to convey water from one place to another Roman Roads
  • Immune to floods and shall be 8-ft wide when straight and 16-ft wide when curve
  • Higher-quality roads utilized concrete extensively Roman Road vs. Modern Road Two factors contributed to the success of the structure:
  1. Excellent quality of mortar used in the concrete
  2. Grading of the aggregate material The First Industrial Age
  • 1709
  • The Development of the Iron Technology
  • Abraham Darby was the first to use coke as fuel in the smelting process
  • 1716
  • The foundation of the Bridge and Highway Corps which was believed to be the beginning of civil engineering as a “ separate discipline”
  • 1771
  • John Smeaton : the first man who called himself a “civil engineer” founded the Society of Civil Engineers now known as Smeatonian Society.
  • He built the third Eddystone Lighthouse (1756-
  1. entirely of interlocking stone, on a plan that became standard for wave-swept structures.
  • He became a pioneer in identifying the composition of a hydraulic lime
  • Lighting systems
  • Reintroduction of concrete
  • Joseph Aspdin patented the first true artificial cement which he called Portland Cement
  • Invention of the reinforced concrete
  • Joseph Monier patented large concrete flowerpots reinforced with a cage of iron wires
  • Introduction od pre-tensioning in concrete technology Civil Engineering in the 21st^ Century Engineering Innovations
  • Green building technology
  • Mass transportation systems
  • Integration of technology and automation in the construction industry
  • Building Information Modelling
  • Robotics
  • Integration of AI in construction processes
  • Pre-fabrication and modular construction
  • Emphasis on construction safety CURRENT FIELDS IN CIVIL ENGINEERING Related Professions
  • A diverse set of skills is needed for any engineering endeavor to be successful
  • Construction activities are composed of different trade works
  • e.g., plumbing and sanitary, ventilation system, architectural finishes, structural works, etc.
  • effective management skill is necessary to navigate the complexities of construction projects 1. Building Control Officer 2. CAD Technician/BIM Modeller 3. Project Site Engineer 4. Structural Designer 5. Quantity Surveyor 6. Geodetic Engineer 7. Plumbing and Sanitary Engineer 8. Sustainability Consultants 9. Health and Safety Officers Architects
  • Initiate and create the design, including the shape, color, and spaces of the structure
  • Concern with the aesthetics and functionality of the design Civil Engineers
  • Concentrate on the structural elements of the design
  • Responsible in making certain the structure can endure normal and extreme conditions Specialization in the Civil Engineering Field 1. Structural Engineering 2. Construction Project Management 3. Geotechnical Engineering 4. Environmental Engineering 5. Transportation Engineering 6. Water Resource Engineering 7. Materials Engineering Structural Engineering
  • A specialize branch within the field of civil engineering that deals with the design of building, bridges or other systems that support loads including their own weight
  • It involves identifying the loads which act upon a structure and the forces and stresses affecting that

structure and then designing the structure to successfully support and resist those loads. Construction Project Management

  • Project managers lead the overall direction of a project and can be considered to be the face of the project
  • Projects management positions require the ability to organize and direct workers and material as well as excellent interpersonal skills
  • Effective project management also requires time management skills Geotechnical Engineering
  • Analyze properties of soil and rock that support and affect the behavior of structures
  • They are also involved in the precise measurement of the earth’s surface to obtain reliable information for locating and designing projects
  • Technology is now being utilized in geotechnical engineering such as satellites, aerial and terrestrial photomapping to effectively place structures as well as plot flood control and irrigation projects Environmental Engineering
  • Design systems to control pollution in water, air and land
  • They play an important role in providing for the orderly growth of a community as well as its continued quality of life
  • Work closely with urban planner and construction engineers Transportation Engineering
  • Involved in the safe and efficient movement of people, goods, and materials
  • They design all types of transportation systems
  • Highways and streets
  • Mass transit system
  • Railroads and airports
  • Ports and harbors
  • Apply technical knowledge and understand the political, economic and social factor of the project Water Resource Engineering
  • This specialization involves hydraulics, which refers to how water moves through pipes and channels through natural forces in physical science
  • Involves developing infrastructure for safe drinking water in towns and cities
  • Some project water resource engineer can complete are as follow:
  • Irrigation systems
  • Water distribution centers
  • Fishing facilities
  • Waterways
  • Plant nurseries
  • Flood protection facilities Materials Engineering
  • This specialization involves the study of all items] and components required for a construction project, such as wood, steel and concrete. They may also study stones, soil, plastics, and fabrics, depending on a university program’s requirements.
  • Some projects that a materials engineer can complete:
  • Cement mixing
  • Spacecraft design
  • Welding processes
  • Clothing design
  • Sunscreen development
  • Biodegradable product design STRUCTURAL ENGINEERING
  • A specialized branch within the field of civil engineering that deals with the design of buildings, bridges or other systems that support loads including their own weight
  • it involves identifying the loads which act upon a structure and the forces and stresses affecting that structure and then designing the structure to successfully support and resist those loads Structural Engineer
  • responsible for determining the magnitude and character of loads and creating mathematical model of individual structural members or of entire structures
  • performs analysis on how forces are transferred through members of the systems and the prepares structural calculations, reports, specifications and drawings
  • the goal is to design a structure that will successfully fulfill its designated function
  • American National Standard Institute
    • Advocates U.S. policy and technical positions in international and regional standards organizations.
    • Oversees standards and conformity assessment activities.
  • American Society for Testing and Materials
    • Publishes production and testing standards for various industries
    • These standards cover multiple materials, systems and products to encourage consistency and safety among manufacturers. Design Software for Structural Engineers 1. ETABS 2. SAP 2000 3. STAAD PRO 4. REVIT 5. SAFE 6. RISA CONNECTION Civil Engineering Associations 1. Philippine Institute of Civil Engineers 2. Association of Structural Engineers of the Philippines 3. American Society of Civil Engineers Duties and Responsibilities

CONSTRUCION ENGINEERING AND MANAGEMENT

Construction Project Management

  • It is the process of planning, controlling and monitoring all aspects of the construction project.
  • CPM is deadline driven and always start with the Planning Phase with a specific and defined objective at the end of the project.
  • Project management essential embodies the organizational structure of the project itself, the higher authority for decision making, and the center for project administration. Skills and Knowledge Essential in CPM Project Management Phases
  • Initiation
  • Conception: Who is the project sponsor? What is the project goal?
  • Feasibility study: Is the project realistic or not?
  • Business Case Documents: What are the benefits and disadvantages?
  • Cancellation or Project Initiation: Is the project attainable?
  • Planning

Construction Project Management Plan:

  • Timelines and schedules
  • Project scope documents
  • Procurement planning
  • Cost management
  • Risk management plans
  • Execution Managing the team and the project activities:
  • Kick-off meeting
  • Regular project status meetings
  • Project diary
  • Risk management
  • Safety management
  • Monitoring & Control
  • Reporting project updates
  • Controlling the project scopes
  • Monitoring and controlling project costs
  • Managing the project schedules
  • Performing quality controls
  • Monitoring and controlling risks
  • Close-out Why closes a project?
  • To obtain formal acceptance of all deliverables
  • To communicate project completion
  • To reflect on lessons learned
  • To celebrate success Typical Software Used in Construction Management
  • MS Excel
  • MS Project
  • Primavera
  • Planswift Typical Project Organization Chart Career Paths in Construction Management
  • Facilities Manager
  • Ensure that an organization has the most suitable working environment for employees and their varying work activities, plus they are involved in crucial planning and daily operations in relation to a building and its premises.
  • Building Services Engineer
  • They maintain the services that allow a building to function as it should and facilitate the maintenance of existing building operations as well as design and install improvements to the system.
  • Construction Project Manager
  • They are responsible for all stages of a building project, from the initial design to the final production.
  • General Contractor
  • They are construction professional who oversee a construction crew; their projects may include residential or commercial building projects.
  • Site Engineer
  • A professional who manages certain parts of the construction process
  • Field Engineer
  • Construction field engineers may discuss a project’s needs with clients and an engineering team, help create new designs for large projects and assess a project’s building process and systems.
  • Construction Superintendent
  • They supervise the daily operations of the project and they often work on a job site.
  • Sustainability Consultant
  • Involved in the promotion of sustainable solutions in relation to the infrastructure of building environments and engineering divisions. Project Manager
  • Considered to be the “face” of the project and act as the representative of the company in dealing with all project stakeholders.
  • Responsible for the overall completion and satisfactory delivery of the project
  • In most companies, the PM reports directly to the Operations VP or to the company President. Responsibilities of a Project Manager
  • Dams: large structures made of concrete or geomaterials for impounding water in reservoirs.
  • Earthworks: site preparation work prior to building a structure.
  • Slope stability: stability of the slope of an embankment or excavation.
  • Geosynthetics: natural or synthetic materials used to improve soil behavior. Heroes of Geotechnical Engineering
  • Archimedes (287-212 B.C.)
  • Discovered “Archimedes Principle” of buoyancy, which affects soil weight and frictional resistance to sliding.
  • Charles-Augustin de Coulomb (1736-1806)
  • His observations led to the “Coulomb equation” for soil shear strength.
  • William John Macquorn Rankine (1820-1872)
  • Simple solution for soil pressures against retaining walls.
  • Defined an active state for soil that is acting to retain itself, and a passive state for soil that is being pushed.
  • Christian Otto Mohr (1835-1918)
  • Devised the “Mohr circle” graphical method for depicting soil stresses, and the “Mohr envelope” defines stress conditions for shear failure.
  • His method supports Coulomb’s soil shear strength equation.
  • Karl Terzaghi (1883-1963)
  • Devised the consolidation test and theory for predicting foundation settlement
  • His observations led to defining soil shear strength in terms of effective stress that takes into account the influence from excess pore water pressure. Major Skills and Qualities
  • Analytical skills
  • The ability to identify design elements that help in building an efficient and safe construction project.
  • Communication Skills
  • Ability to communicate effectively and systematically in written as well as verbal aspects.
  • Attention to Detail
  • Ability to pay close attention to what is happening at all times and ensure that operations stick to all guidelines and laws concerning the safety of workers as well as the environment.
  • Attention to safety
  • The ability to maintain high safety standards
  • Teamwork
  • Ability to work with different teams in order to run the construction site.
  • Mathematical skills
  • Ability to use the principles of calculus, trigonometry, and other advanced topics in math for analysis, design, and troubleshooting in their work. Career Path in Geotechnical Engineering
  • Bridge Engineers
  • Professionals working under a specialization in civil engineering responsible for designing and building bridges.
  • Typical duties include designing structures, maintain bridge structures, coordinating workers, minimizing environmental impact, and supervising manufacturing processes.
  • Hydrogeological Engineer
  • A professional who provides design and analysis of ponds involving discarded oil sands materials, water extraction from soil and sand, and steam injection into wells.
  • Evaluates underground water layers trapped in rocks (aquifers) along with providing advice on environmental restoration.
  • Construction Engineer
  • A professional with a broad set of responsibilities that include managing, designing, developing, creating and maintaining construction projects.
  • Responsible for conducting on-site investigations and analyzing data. Assessing potential risks, materials and costs.
  • Geotechnical Engineer
  • Responsible for designing and determining the type of foundations, earthworks, and or pavement subgrades required for the intended man-made structures to be made.
  • Construction Project Managers
  • Responsible for negotiating the contracts of subcontractors, communicating with inspectors and architects, meeting with construction managers, along with coordinating the delivery of materials with vendors.
  • Foundation Engineers
  • Responsible for assessing the soil conditions, load requirements, and site characteristics to determine the most appropriate foundation type and design, such as shallow foundations, deep foundations, or specialized techniques like pile foundations.
  • Earthquake Engineers
  • Responsible for assessing the seismic hazard of a site, evaluate soil liquefaction potential, and develop seismic design criteria to ensure the safety and resilience of structures during earthquakes.
  • Geosynthetics Engineers
  • Specialize in the design and application of geosynthetic materials, such as geotextiles, geogrids, and geomembranes.
  • They use these materials to improve soil stability, reinforce slopes, provide drainage solutions, and control erosion.