CONTENTS
CONTENTS
Contents
TOC o "1-3" h z u Site Condition PAGEREF _Toc152061387 h 3Constraint PAGEREF _Toc152061388 h 3Specification PAGEREF _Toc152061389 h 41.Specification 1: PAGEREF _Toc152061390 h 42.Specification 2: PAGEREF _Toc152061391 h 42.1 Bridge Width PAGEREF _Toc152061392 h 42.2 Vertical clearance PAGEREF _Toc152061393 h 43.Design loads PAGEREF _Toc152061394 h 44.Construction Drawing PAGEREF _Toc152061395 h 55 Materials PAGEREF _Toc152061396 h 56.Safety PAGEREF _Toc152061397 h 6Methodology PAGEREF _Toc152061398 h 6Design PAGEREF _Toc152061399 h 7Bridge 1- PAGEREF _Toc152061400 h 7Load Calculation PAGEREF _Toc152061401 h 8Determine Reaction forces PAGEREF _Toc152061407 h 10Shear Force & Moment PAGEREF _Toc152061410 h 11Shear and Moment Diagram PAGEREF _Toc152061411 h 12Stresses PAGEREF _Toc152061412 h 13Construction materials and services quantities PAGEREF _Toc152061413 h 13Construction cost estimates PAGEREF _Toc152061414 h 14Drawings PAGEREF _Toc152061415 h 15Recommended Sizing of Components PAGEREF _Toc152061416 h 17Recommended Materials PAGEREF _Toc152061417 h 18RISK ASSESSMENT PAGEREF _Toc152061418 h 19Health, Safety, and environmental requirements Health and safety PAGEREF _Toc152061419 h 20Duty of care PAGEREF _Toc152061420 h 20Australian Standard PAGEREF _Toc152061421 h 21AS/NZS 4801:2001 standard PAGEREF _Toc152061422 h 21Safety Code of practice PAGEREF _Toc152061423 h 21Equal Employment Opportunity and Disability Discrimination legislation PAGEREF _Toc152061424 h 21Environmental requirement PAGEREF _Toc152061425 h 21Contribution to ancillary documentation, which may include: PAGEREF _Toc152061426 h 22
Site Condition
-6359525
Constraint
left2540
Specification
Specification 1:All work shall comply with the Transport and Main Roads design guidelines, criteria, Australian bridge design code and supplemental specification pertaining to the project.
Specification 2:Length width, elevation, alignment must satisfy the functional requirement of the supported facilities.
2.1 Bridge Width
Carriage way type Length AADT Shoulder (minimum Lane Minimum bridge carriageway width
(concrete deck) Minimum bridge
carriageway width (deck
units with cast insitu Kerbs
Twoway, Two-lane
> 20 1000-3000 0.8-1.00 3.25-3.5 8.6 8.6
3001-5000 1.10 3.50 9.20 9.20
> 5000 1.20 3.50 9.8 9.8
2.2 Vertical clearance
54800561595Bridge with a minimum vertical clearance of fewer than 5.3m must be signposted. The highest level of the truss must not exceed to 8.5-meter from the level ground surface. Bridge with a minimum vertical clearance of lesser than 5.3m must be signposted.
00Bridge with a minimum vertical clearance of fewer than 5.3m must be signposted. The highest level of the truss must not exceed to 8.5-meter from the level ground surface. Bridge with a minimum vertical clearance of lesser than 5.3m must be signposted.
Design loads
The bridge must support loads such as Dead load, live load, Longitudinal forces, centrifugal force, and earthquake pressure without exceeding permissible stress and deflections.
Total load must be computed in accordance with AASHTO Bridge design.
Total Load= 1.25Ws+ 1.5 Ww + 1.75T(1+ DLA)
Ws = Weight of the structure
Ww = Weight of asphalt
T = Weight of Truck / Vehicle
DLA = Dynamic Load allowance
Construction Drawing
5632455715Provide the details about the construction drawings such as their measurement units and so on.
00Provide the details about the construction drawings such as their measurement units and so on.
5 Materials
All material use shall be Australian Standard unless otherwise specified.
66230524257000Concrete
97472518351500Steel
65532033909000Safety
Methodology
center15176500
Design
Design Criteria
Width of Deck(W) Thickness of Asphalt Length of Deck (L) (from Bridge Designer) Density of concrete 2400kg/ m3
Density of Asphalt 2250 kg/ m3
Density of Steel 7850 kg/ m3
Weight of Steel (applied at each deck level joint) Truck load Thickness Of Deck-Medium -Strength Concrete Thickness Of Deck (High -Strength Concrete Beam transverse interval Design load allowance (DLA) . 33
Bridge 1- As my DAN ID end with so I will go with
24682452039620Attach from the software (donot use the same drawing)
Attach from the software (donot use the same drawing)
Load Calculation
A. Weight of concrete (WC) Wt Concrete = Density x Volume
V Concrete = L x W x H
Wt Concrete = ((2400 kg/m3) (9.81/1000)) x (m3)
=
B. Weight of Asphalt (WA)
Wt Asphalt = Density x Volume
V Asphalt = L x W x H
Wt Asphalt = ((2250 kg/m3) (9.81/1000)) x (..mm3)
C. Weight of Beam (WB)
Wt Beam = Number of beam x Wt of each beam
No. of Beam= Length(L)/4+1
No. of Beam =
Wt Beam = x .
=
D. Weight of Truss
Refer to the cost estimation from software for weight of each truss
Wt truss = Wt of each truss x no. of truss
Wt truss= (kg) (9.81/1000)
=
E. Weight of truck
Wt truck =
F. Weight of truss joint
Assume Wt. Per joint = 3Kg
Wt joint=(wt per joint) (No. of joint)
=..kg () (9.81/1000)
=
Total Load (TL)= 1.25Ws+ 1.5 Ww + 1.75T(1+ DLA)
=
=
Factored Load (Uniformly distributed)
UDL(Concrete)= ((1.25) (1271.376 KN))/ length
=
=
UDL asphalt =
=
UDL Truss =
=
UDL Beam=
=
Total Dead Load=
=
Truck Load =
=
Determine Reaction forces
A
.
KN/m
RA
RC
KN
C
A
.
KN/m
RA
RC
KN
C
Solution
Fy = 0
Ra + Rc =
Ra + Rc = (EQ1)
MA=0
From EQ1
Shear Force & Moment
RA=
A
B
MB
By
.
KN/m
RA=
A
B
MB
By
.
KN/m
Fy = 0
@Point B
M=0
RC=.
B
C
MB
..
KN/m
..
m
By
RC=.
B
C
MB
..
KN/m
..
m
By
Fy = 0
@Point B
M=0
Shear and Moment Diagram
441325258445Draw shear and bending moment diagrams here
00Draw shear and bending moment diagrams here
Stresses
-635256540Bring the load test from the software
00Bring the load test from the software
Construction materials and services quantities
Description
A. Material
B. Connection
C. Product
1-
2-
3-
4-
..
..
..
D. Site
Deck panel
Excavation
Abutment
Construction cost estimates
Description QTY Unit Amount Total
A. Material
Carbon Steel Solid Bar KG
Carbon Steel Hallow Steel (Truss) KG
B. Connection
Joints ea.
C. Product
1-75 x 75mm Carbon steel ea. 2-110 x 110mm Carbon steel ea.
10-120x 120mm Carbon steel ea.
5-130x 130mm Carbon steel ea.
3-150x 150mm Carbon steel ea.
6-150x 150 x 7mm Carbon steel ea.
2-160x 160mm Carbon steel ea.
3-160x 160 x 8mm Carbon steel ea. 2-170x 170mm Carbon steel ea.
1-170x 170 x 8mm Carbon steel ea.
D. Site
Deck panel Panel Excavation cu.m
Abutment ea.
Peir
Cable Anchorage
TOTAL COST
Drawings
23920451397635Attach a drawing of the bridge
0Attach a drawing of the bridge
center1981200Attach a drawing of the bridge
0Attach a drawing of the bridge
Design 2
(Continue the same procedure for bridge 2 as per your DAN IDs)
Recommended Sizing of ComponentsDesign 1
Design 2
(Your Recommendation)
Recommended MaterialsDesign 1
Design 2
(Your Recommendation)
RISK ASSESSMENT
Location: Date: General Manager:
Prepared by:
RISK MANAGEMENT MATRIX Likelihood Rare
The event may occur in
exceptional circumstances.
Unlikely The event could occur at some time Moderate The event will occur at some time Likely The event will occur in most circumstances.
Certain
The event is expected to occur in all
circumstances
Consequences Level 1 2 3 4 5
Negligible
No injuries. Low financial loss 0 0
0 0 0 0
Minor
First-aid treatment.
Moderate financial loss
1
1
2
3
4
5
Serious
Medical treatment required. High financial
loss. Moderate environmental implications. Moderate loss of reputation. Moderate business interruption.
2
2
4
6
8
10
Major
Excessive, multiple longterm injuries. Major
financial loss. High environmental
implications. Major loss of reputation. Major business interruption
3
3
6
9
12
15
Fatality
Single death
4
4
8
12
16
20
Multiple fatalities Multiple deaths and serious long-term injuries.
5
5
10
15
20
25
(Explain about the risk assessment)
Health, Safety, and environmental requirements Health and safety
(Explain about this)
Duty of care
(Explain about this)
Australian Standard
AS/NZS 4801:2001 standard
(Explain about this)
Safety Code of practice
(Explain about this)
Equal Employment Opportunity and Disability Discrimination legislation(Explain about this)
Environmental requirement
(Explain about this)
Under the Environment Protection and Biodiversity Conservation Act 1999
Contribution to ancillary documentation, which may include:
(Explain about this)
Design Notes:
1.0 Specifications
2.0 Dimensions
3.0 Concrete Grades
4.0 Reinforcing bar
5.0 Structural Steel
1.0 Pavement sign and marking
2.0 Removal of existing structure
6. Excavation
7.Others
Task 1 Civil Works Design
Instructions to Learners:
This summative assessment can be completed in class or at any other convenient location.
Students are required to complete this task using digital tools and ensure to submit in an acceptable format, e.g. .docx, .pdf, .pptx, or as advised by your assessor.
Please use the following formatting guidelines to complete this assessment task:
Font Size: 12; Line Spacing: Double; Font Style: Times New Roman
Assessment activities can be completed either in real workplace environment or in a simulated environment such as your classroom. In both cases, appropriate evidence of the assessment activities must be provided.
Instruction to Assessors:
You must assess students assessment according to the provided Marking Criteria.
You must complete and record any evidence related to assessment activities including role-plays and presentations using appropriate forms which must be attached with student assessment submission.
You must provide students with detailed feedback within 10 working days from submission.You are required to undertake a civil construction design project as outlined below. Your Assessor will take the role of the client for the purposes of this assessment task.
Design Specifications
The Problem
You are a civil designer working for the state department of transportation. You have been assigned responsibility for the design of a truss bridge to carry a two-lane highway across the river valley shown below.You need to design a bridge as per the following program
DAN ID ending with Deck elevation
In Metre Pier position
0 24 No Piers/with piers
1 20 With piers Ht of pier 20m
2 16 No Piers/with piers
3 12 With piers Ht of pier12m
4 8 No Piers/with piers
5 24 With piers Ht of pier 24m
6 20 No Piers/with piers
7 16 With piers Htof pier 16m
8 12 No Piers/with piers
9 8 With piers Ht of 8m
As per you DAN ID last digit the above deck elevation and pier position should be taken for design calculation
Design Objective
Satisfy all of the specifications listed below, while keeping the total cost of the project as low as possible.
Bridge Configuration
The bridge may cross the valley at any elevation from the high water level to 24 meters above the high water level.
If the elevation of the bridge is below 24 meters, excavation of the river banks will be required to achieve the correct highway elevation.
To provide clearance for overhead power lines (shown above), the highest point on the bridge may not exceed an elevation 32.5 meters above the high water level (8.5 meters above the top of the river banks).
The bridge may consist of either standard (simple supports) or (arch supports). If necessary, the bridge may also use one intermediate , located near the centre of the valley. If necessary, the bridge may also use cable , located 8 meters behind one or both abutments.
Each main truss can have no more than 100 and no more than 200 .The bridge will have a flat, reinforced deck. Two types of concrete are available:
Medium-strength concrete requires a deck thickness of 23 centimetres (0.23 metres).
High-strength concrete requires a deck thickness of 15 centimetres (0.15 meter).
In either case, the deck will be supported by transverse spaced at 4 metre intervals. To accommodate these floor beams, your must have a row of joints spaced 4 meters apart at the level of the deck. These joints are created automatically when you begin a new design.
The bridge deck will be 10 meters wide, such that it can accommodate two lanes of traffic.
Member Properties
Materials. Each member of the truss will be made of either carbon steel, high-strength low-alloy steel, or quenched and tempered steel.
. The members of the truss can be either solid bars or hollow tubes. Both types of cross-sections are square.
Member Size. Both cross-sections are available in a variety of standard sizes.
Loads
The bridge must be capable of safely carrying the following loads:
Weight of the deck.
Weight of a 5-cm thick , which might be applied at some time in the future.
Weight of the steel floor beams and supplemental bracing members (assumed to be 12.0 applied at each deck-level joint).
Weight of the main trusses.
Either of two possible truck loadings:
Weight of one standard H25 truck loading per lane, including appropriate allowance for the dynamic effects of the moving load. (Since the bridge carries two lanes of traffic, each main truss must safely carry one H25 vehicle, placed anywhere along the length of the deck.)
Weight of a single 480 kN Permit Loading, including appropriate allowance for the dynamic effects of the moving load. (Since the Permit Loading is assumed to be cantered laterally, each main truss must safely carry one-half of the total vehicle weight, placed anywhere along the length of the deck.)
Structural Safety
The bridge will comply with the structural provisions of the state specified standards, to include:
Material densities
Load combinations
Tensile strength of members
Compressive strength of members
Cost
The cost of the design will be calculated using the following cost factors:
Material Cost:
Carbon steel bars - $4.50 per kilogram
Carbon steel tubes - $6.30 per kilogram
High-strength steel bars - $5.00 per kilogram
High-strength steel tubes - $7.00 per kilogram
Quenched and tempered steel bars - $5.55 per kilogram
Quenched and tempered steel tubes - $7.75 per kilogram
Connection Cost: $500.00 per joint
Product Cost: $1000.00 per product
Site Cost:
Reinforced concrete deck (medium strength) - $5,150 per 4-meter panel
Reinforced concrete deck (high strength) - $5,300 per 4-meter panel
Excavation - $1.00 per cubic meter (See the Site Design Wizard for excavation volume)
Supports (abutments and pier) - Cost varies (See the Site Design Wizard for specific values)
$6,000 per anchorage
Required:
1. Make a detailed list of all constraints and requirements to the bridge design.
2. Prepare functional specifications
3. Present at least 2 designs to meet the design specifications. The designs are to include, as relevant:
calculations, which may include:
loads
sheer forces
bending moments
stresses
construction materials and services quantities
construction cost estimates
recommended sizing of components
recommended materials
recommended reinforcement sizing and location
drawings
risk assessment of:
the existing conditions
the application of the design
maintainability of the works
health, safety and environmental requirements
contribution to ancillary documentation, which may include:
design notes
construction notes
supplementary drawings
input to the specifications
Note: The designs, and their development, should comply with relevant requirements including:
legislative, organisational and site requirements and procedures
manufacturer's guidelines and specifications
Australian standards
Code of practice
Employment and workplace relations legislation
Equal Employment Opportunity and Disability Discrimination legislation
