Session01_81B

CEE 81B

CIVIL ENGINEERING PRACTICUM II

Amir AghaKouchak amir.a@uci.edu

Course Website:

https://eee.uci.edu/15w/17040

1. Distance Measurement.

2. Angle Measurement, Profiling,

Topography, and Route

Surveying.

3. Site Planning and United

States Public Land System.

4. Cut and Fill Analysis.

1. Getting started with ArcGIS.

2. GIS Applications in Civil

Engineering, Transportation,

Water Resources.

3. Database management using

GIS.

4. Preparing GIS Maps.

GIS Applications 1 Surveying 2

CEE 81B: CIVIL ENGINEERING PRACTICUM II

Clickers

CEE 81B

CIVIL ENGINEERING PRACTICUM II

You need to purchase a "clicker“ from the UCI bookstore. Note: You must have your clicker every class period to be able to participate in quizzes—no exceptions.

Planning

Design

Construction

CIVIL & ENVIRONMENTAL ENGINEERING

Risk Assessment &

Cost Benefit Analysis

Decision-Making

Introduction to GIS

Geographic Information System

GIS Applications in Civil Engineering

GIS Applications in Civil Engineering

Construction

Transportation

Water Resources

Environmental Analysis

Operations/Maintenance

Data Collection and Surveying

Remote Sensing

GIS Applications in Civil Engineering

Construction

• Grading

• Contouring

• Cross sections

• Design calculations

• Equipment staging

• Geologic map database

GIS Applications in Civil Engineering

Source: USGS

A

B

Major Faults

GIS Applications in Civil Engineering

Source: USGS

A

B

GIS Applications in Civil Engineering

Water Resources

• Flood mapping

• Hydrologic modeling

• Data collection and interpolation

• Zoning

• Risk analysis

GIS Applications in Civil Engineering

Before Building Reservoir

GIS Applications in Civil Engineering

Before Building Reservoir After Building Reservoir

GIS Applications in Civil Engineering

Flood Mapping

GIS Applications in Civil Engineering

Transportation

• Road design

• Cut and fill analysis

• Route optimization

• Traffic analysis

• Emergency evacuation

GIS Applications in Civil Engineering

Point A

Point B

Route A Route B

GIS Applications in Civil Engineering

Louisiana Emergency Evacuation Map Source: LA DOT

GIS Applications in Civil Engineering

Data Collection and Processing

Air Pollution Stations Rain Gauge Stations

Introduction to GIS

• Many of the issues in our world have a critical spatial component!

– Land management

– Property lines, easements, right of ways

– Data on land values, taxation, assessment

– Business site selection, advertising

– Proximity of ‘our’ land to other facilities (pollution, hunting, municipal, federal, state)

– Hydrology: Soil, Elevation, Structures , vegetation

– Crime analysis

– Emergency management and disaster preparation

Introduction to GIS

The Earth is finite!

– If not now, within our lifetimes there may be no natural ecosystems.

– Land managers, natural resource workers, and politicians are and will continue to make decisions about biological systems.

– Good information and tools are needed to do this.

The Space on Earth

Introduction to GIS

A computer-based tool for

• holding,

• displaying,

• analyzing, and

• manipulating,

spatial data.

ArcGIS:

Introduction to Surveying

Civil Engineering

Surveying

Introduction to Surveying

Definition: Surveying is the science of estimating the elevation of points on the Earth’s surface and determining their distances, angles, etc.

Introduction to Surveying

Point B

Point A

Elevation at B? Elevation at A?

Design I

Example:

Introduction to Surveying

Point B

Point A

Elevation at B? Elevation at A?

Cut Cut

Fill

Example:

Introduction to Surveying

Point B

Point A

Elev.? Elev.? Elev.? Elev.? Elev.? Elev.? Elev.? Elev.?

Example:

Introduction to Surveying

Point B

Point A

Elev.? Elev.? Elev.? Elev.? Elev.? Elev.? Elev.? Elev.?

Design I

Design II

Example:

Importance of Surveying

Hoover Dam Bypass project (source Wikipedia)

Introduction to Surveying

Horizontal and Vertical

Distance Measurement

Horizontal and Vertical Distance Measurement

Point A

Point B Direct Method Using a Tape

Horizontal Distance = L cos θ

Vertical Distance = L sin θ

Temperature may affect the measuring tape.

Problems?

The pull/tension applied to the tape in the field may be different from the standardization pull.

Tape sagging (mainly for long tapes)

Stadia Measurement

Rod

Stadia Measurement

Stadia Lens Crosshairs

Rod

Stadia Measurement

D= 100 * s

hB - hA= hi - SM

Vertical Distance Measurement

Direct Leveling

Benchmark A Elev. = 100.00

BS = 4.5 ft FS = 1.5 ft

Elev. = ? Point B

A Elev. = 100.00 ft

BS = +4.50 ft

HI = 104.50 ft

FS = -1.50 ft

B Elev. = 103.00 ft

H.I.

BS: Backsight FS: Foresight

Vertical Distance Measurement

Direct Leveling

Point A

Point B

Vertical Distance Measurement

Indirect Leveling

Benchmark A Elev. = 303.00

Elev. = ? Point B V = L sin θ

= (451.00 ft) * sin 3o15’

= 25.57 ft

Elev. B = Elev. A + HI ± V –RR

= 303.00 + 5.4 +25.57 - 6.40

= 327.57 ft

Θ = 3o15’

V

HI=5.4 ft

RR= 6.4 ft