Scope Theory and Design of Structures I Design of simple steel members
Limit state design concepts; material strength and loading Elastic design; plastic design and limit state design Design of steel beams restrained laterally; design for bending and she
Scope
Theory and Design of Structures I Reinforced Concrete Design
Rectangular singly and doubly reinforced beams Elastic design Limit state design concepts; material strength and loading Flexural strength and shear strength of beams; one-way slabs
Refer
Arches Theory and Design of Structures I
The three-hinge arch is a type of statically threedeterminate structure. Arches are used because they are: efficient economical aesthetic (curved structural form)
Arches Arches
x1
x2 P2
Reactions 4 unknown reactio
Introduction
Ropes
Theory and Design of Structures I Cable Structures Cable
Wires Chains
Cables
Introduction
Features
Considerable strength in simple tension No resistance either to bending nor compression In the analysis, the bending moment is always t
Introduction
All structures are composed of a number of interconnected elements. They enable the internal/external loads to be safely transmitted down to the ground, e.g. slabs beams columns walls foundations
Theory and Design of Structures I
Structural L
Deflection of beams
Theory and Design of Structures I Deflection
Assumptions 1. The beam is prismatic, initially straight and has an axial plane of symmetry which is taken as the x-y plane. 2. The material is homogeneous and obeys Hookes Law. 3. Plane sec
Truss Theory and Design of Structures I Truss
What is a truss? It is a structural system built from bars taking axial tension or compression. What is a plane truss? It is a 2-dimensional truss with all members lying within one plane.
Truss
Assumptions: Th
Retaining Structures Theory and Design of Structures 1
Sea Wall
Retaining Structures
Retaining wall
Retaining Structures
Comparatively rigid block work structures Internal stresses are often not critical Thus, major design criterion of a retaining struct
Influence Lines
Theory and Design of Structures I Influence Lines
Moving Loads In static, constant and stationary loads, the reactions, stresses and deformations at a particular section are constant However, the load effects become variable functions of t
Introduction
A structure should be
Philosophy of Design
Safe Economical to build Maintainable Aesthetically pleasing
These are what structural engineers aim at in designing a structure
Introduction
The engineering design process are often divided into
The University of Hong Kong Department of Civil Engineering
Theory and Design of Structures I Reinforced Concrete Design
Scope Rectangular singly and doubly reinforced beams Elastic design Limit state design concepts; material strength and loading Flexu
Module 2
Analysis of Statically Indeterminate Structures by the Matrix Force Method
Version 2 CE IIT, Kharagpur
Lesson 8
The Force Method of Analysis: Beams
Version 2 CE IIT, Kharagpur
Instructional Objectives
After reading this chapter the student will b
Module 3
Analysis of Statically Indeterminate Structures by the Displacement Method
Version 2 CE IIT, Kharagpur
Lesson 16
The Slope-Deflection Method: Frames Without Sidesway
Version 2 CE IIT, Kharagpur
Instructional Objectives
After reading this chapter
Introduction to Design in Timber
Wood is a very versatile raw material and is widely used in construction. Timber can be used in a range of structural applications including marine works: construction of wharves (e.g. fenders), piers, cofferdams; heavy ci
Simply Supported Beam under UDL
Theory and Design of Structures I
Bending Moment Diagrams & Shearing Bending Force Diagrams for Beams
Consider the simply supported beam AB carrying a uniformly distributed load (UDL) w. The reactions at A and B are found b
Components of a Structure
Theory and Design of Structures I
Choice of Structure
The fundamental objective of structural design is the enclosure of space for human activities
How to bridge a horizontal gap?
Span as governing factor
Structures are designed
Formation of Structures
Bars trusses
Theory and Design of Structures I
Elementary Theory of Structures
Seawall Blocks walls Other examples: Brick walls Pyramids, etc.
The design process
Classification
Classification
Loading
Department of Civil Engineering
Analysis of Statically Determinate Structures
! ! ! !
Idealized Structure Principle of Superposition Equations of Equilibrium Determinacy and Stability
! ! !
Beams Frames Gable Frames
! !
Application of the Equations of Equilibrium Analysis of Simple Diap
5. ANALYSIS OF INDETERMINATE STRUCTURES BY FORCE METHOD
5.1 ANALYSIS OF INDETERMINATE STRUCTURES BY FORCE METHOD - AN OVERVIEW
5.1 ANALYSIS OF INDETERMINATE STRUCTURES BY FORCE METHOD - AN OVERVIEW 5.2 INTRODUCTION 5.3 METHOD OF CONSISTENT DEFORMATION 5.
Slope Deflection Examples:
Fixed End Moments For a member AB with a length L and any given load the fixed end moments are given by:
2 ( 2 gB - g A ) L2 2 FEMBA = 2 ( g B - 2 g A ) L Where: gB and gA are the moments of the bending moment diagrammes of the
THE UNIVERSITY OF HONG KONG Department of Civil Engineering CIVL 3007 - Environmental Impact Assessment of Civil Engineering Projects (6 credits) Course objectives: To provide an understanding of the engineering and scientific principles applied to the en
CIVL3007 (2010-2011)
Environmental Impact Assessment of Civil Engineering Projects
Dr. T Zhang (8 weeks)
Tel: 28578551/93591460 Email: [email protected] Office: HW631
Dr. KM Lam (3 weeks) Guest Lecturer (2 hours)
1
Course Objectives
To provide an unders
CIVL3007-2010
EIA methodology
1. Impact identification methods
Analogy Checklist Matrix
Dr. Zhang T
2. Baseline study
Available data Survey Ecological baseline
3. Alternative proposal 4. Prediction
Emission factor Experiment Modeling Index
5. Evaluatio
CIVL3007-2010 Dr. Zhang T
Natural and Man-made Environments of Hong Kong
1
Natural environment
Ecosystem: is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the physical (a
CIVL3007-2010 Dr. Zhang T
Technical Assessment of Water Pollution and Its Control
Sources, flow rates, and characteristics of wastewater Environmental impact of wastewater Municipal and industrial wastewater treatment Sludge treatment and disposal Efflue
CIVL3007-2010 Dr. Zhang T
Municipal and Industrial Wastewater Treatment
1
Classification of Wastewater Treatment Processes
according to treatment principle applied:
physical/mechanical chemical, physico-chemical biological
according to sequence in proce
CIVL3007-2010 Dr. Zhang T
Sources, Types, Quantities, Compositions, and Environmental Impacts of Solid Wastes
1. Wasted Sludge 2. Municipal Solid Waste (MSW) 3. Construction Waste
1
Sources of Wastes -1
Municipal Solid Waste (MSW):
Domestic waste: house
CIVL3007-2010 Dr. Zhang T
Technical assessment of other impacts
1) ecological, 2) visual and landscape, 3) cultural heritage, 4) socio-economic impacts, 5) etc.
1
Ecological impact
key factors for determining need for ecological assessment: recognised si