Çelik Palmiye.pptx

8/13/2019 Çelik Palmiye.pptx

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A Flexible, Effective Design of a Small

Transit Bus Station in Al-Ain

Graduation Project Course (GP2)

Group Member : ID : Examiner Members:

Aisha Al-Dhanhani 200511457

Sarah Al-Dhanhani 200511437 Salma Ali 200508158



Project summary Location

Building detailed design Atrium space zone

Services and Offices

The bridge zone

The Bus Movement Area

Structure detailed design Tree Structure Design & Calculation

Waffled slab design & calculation

Basment floor suggested structure

Safety consideration

Conclusion

Contents




Project SummaryWhat is the project?

This project represents a proposal for bus station in AlAin, taking into consideration:

architectural and structural engineering concepts

Transportation traffic circulation

Urban design of the site



Project SummaryWhy this project?

According to the Department of Transportation Statistics, the existingbus station is totally unprepared to serve the people current and

future needs. This in turn lead Al-Ain city to suffer from lack of public

transportation.



Project SummaryObjectives

The main goals of this project are: Redevelop the bus station area to respond to the rising needs for

a facility that would encourage people to use the public

transportation.

The new proposed facility would provide integration between

station, the oasis and other surrounding amenities. To design a lightweight structural system that integrates physically

and visually with its surroundings, particularly with the Oasis.



Our project design Objectives are:1. Design with added new facilities.

2. Achieve the safety circulation inside &outside the

building.

3. Organize traffic circulation.

4. Visual harmony with surrounding environment.

5. Provide a flexible design of plans in term of functions.

Objectives



Architectural problem (Existing site problem )

Architectural Urbanism Environmental

• No main building with

facility (land mark)

• No services to achieve

people need).

• Low quality appearance

.• Low visual perception.

• Unauthorized parking,

• No relation between the

parking .

• Not organized

circulation

• The location is very

near to Al Ain Oasis.

• Orientation of the

building (south west)

Site Boundary

Main StreetSub Street

Bus stopshelter

N

Site Boundary

Main Street

Sub Street

UnauthorizedParking.Bus

Circulation.

N

Site BoundaryMain StreetSub Street

Alain Oasis

N



Transit structures, including stations, are subjected to a wide range

of loads and forces concentrate erection. So the main

engineering problem are :

1. The decision of alternative structure type that can carry the

loads calculated.

2. The structure alternative required being light weight and can

carry the span designed.

3. Engineer should develops the structural systems designs within

the context of the archituctural concept.

Engineering Problem Statement



Location

The chosen site is at the north of Al Ain Oasis and it is based on thenew visionary plan Al Ain 2030, which is developed by Urban

Planning council (UPC).

Site Location



Building detailed design

Generally, in the bus

station there are 4 main

zones which are

Atrium space zone


The bridge zone


Each one of them were

designed according to

some specifications

and challenges

Services & offices

Bridge zone

Atrium space zone



Atrium space zone

The integration of the building with the surrounding environmentwhich is the oasis environment is intelligible in this zone.



Atrium space zone

Aviary project column design is inspired fromthe surrounded trees style. The building skin istransparent to achieve the integration with thesurrounded.

Tree column structure system to support theroof and its design taken from the palm tree

Distribute the tree column according to themodularity and straight lines as in palm treesfarms

Use a glass walls to achieve the transparencyand the integration




Two floors contain: Vertical circulation

Fire escape

Offices

Access to the waiting areas (bridge)

Mechanical equipments (air handling units) located at the top of

this zone.

Services & offices

Bridge zone

Atrium space zone

Legend

View to the oasis

Main Entrance



The bridge zone

It represents a waiting area for passenger to avoid the risk that mighthappen in the bus circulation area or in the drop off area. Escalators

were included directly in the drop area part and prevent the

passengers from crossing the street.




The bus movement area was designed to achieve the safety for thepassengers and also to avoid the traffic circulation for the buses.



#

1 Restaurant

2 Toilet

3 Ice cream shop

4 Newspaper shop

5 Mechanical room

6 Electrical room

7 Ticket

8 Cleaning room

9 Service room

10 kitchen

11 shop Basement floor plan scale1:500

B a sm en t

f l o or pl an



#

1 Pantry

2 office

3 Manager room

4 Waiting area

5 Gallery

6 toilet

First floor plan scale1:500

F i r s t f l o or pl an



#

1 shop

2 Service room

3 Mechanical room

4 Corner shop

5 toilet

6 Ticket office

7 Travel office

8 ATM

9 Tourist information

10 Electrical room

11 Coffee shop

Ground floor plan scale1:500

Gr o un d f l o or pl an



Site plan scale1:500

S i t e pl an

N



Structure detailed design

Tree Structure Design & Calculation

Waffled slab design & calculation

Basement suggested structure




Modular Distribution

Tree Structure distribution

Different tributary areas




Tree Structure Design

X member

with sub

branch

Crossed

member

Beam(purling)

Tree column

Tree members

Tree column

Roof




Dead Load (D.L) :

1. Weight of the upper roof (aluminum sandwich panel).

2. Weight of purling (roof beams).

3. Own weight of the tree members.

Load calculation for Tree members




1. Upper roof weight:

A Tributary = 12.5*12.5=156.25m2

Thickness of aluminum sandwich panel

= 0.2m, Panel = 13.9 Kg/m2

D.L panel= A Tributary* panel

= (156.25)*(13.9) = 2171.875 Kg = 21.72 kN







2. Purl ing weight:

From LRFD manual, Table 1-5, page 1-34,

we select section C9 X 20, properties:Ib/ft= 20, Depth = 9 in=0.23m,

Length = 12.5m = 42.52ft,

#purling = 6

D.L of Purling = 20 (Ib/ft) *(42.52ft) = 850.4 Ib = 3.8 kN*6= 22.8 kN





3. Own weight of the member:

From LRFD manual, table 1-13, page 1-94,

we select section Hss 7.625X0.328, Properties:

Ib/ft=25.59, D= 0.2m, I = 47.1 in4=0.2 m4, A=28.5in2= 0.02m2

L of x member =7.5m =24.6 ft, # of x =4 crossed

L of crossed member = 5m=16.4ft, # of crossed member= 4

# sub branch member= 8





3. Own weight of the member:

Weight of x main branch= 25.59 lb/ft*24.6 ft= 629.514 Ib =2.8 kN* 4 =11.2 kN

Weight of cross branch= 25.59 lb/ft*16.4 ft= 419.7 Ib =1.8 kN=2 kN*4 = 8 kN

Assume that weight of sub branches= 0.5 kN *8 = 4 kN

Total weight of all members = 11.2 + 4 + 8 = 23.2 KN





4. Total dead load:

1. Upper roof weight= 21.72 kN

2. Purling weight= 22.8 kN

3. weight of all members = 11.2 + 4 + 8 = 23.2 KN

Total dead load= 21.72+ 22.74 + 23.2 = 67.66 kN





L ive Load (L .L ) :

From ASCE 7-05, Table 4-1, (page 13): Lo= 0.96 kN/m2

Reduction for live load(see appendix 5)

Lr = Lo R1 R2 0.58≤ Lr ≤0.96

At=156.25 m2 ≥ 55.74 m2 R1=0.6

Flat Roof F≤4 R2=1

Lr= 0.96*0.6*1= 0.576 = 0.58 kN/m2

Lr=0.58*At=0.58*156.25= 90.625 kN





Ultimate load :

D.L= 67.66 kN

L.L= 90.625 kN

Using American concrete institute ACI-08:

Wu=1.2 D.L+1.6 L.L= 1.2*(67.66) +1.6*(90.625) = 226.2 KN



Structure analysis for Tree members


Assumed that the total load carried equally on 16 points :

P = = = 14.1375 kN

Plan Member A Elevation





Assumed that the total load carried equally on 16 points :

P = = = 14.1375 kN

Plan Member A Elevation





Structure analysis for member A

3.125m 3.125

m

5m

14.14 kN

= 38.66

A

B

C28.28 kN

14.14 kN

3.125m 3.125

m

5m

= 38.66

A

B

C28.28 kN

14.14 kN

3.125m 3.125

m

5m

= 38.66

A

B

C28.28kN





∑Ma =0

=14.14(6.25) + 28.28 (3.125) =176.75 kN.m

∑Fx a (normal force) =0

=8.8 + 17.5 =26.3 kN

∑Fy a (shear force) =0

=11.04 + 22.1 = 33.14 kN





Ma = 176.75 kN.mN =26.3 kN

V = 33.14 kN

A= 0.02m2

I= 0.2 m4

Y= 0.1 m

≤ fy = 42 Ksi (289579.8 kN/m2)

1,403.4 Kn/m2 ≤ 289579.8 kN/m2 Ok



Load calculation for Tree column


To calculate the total loads of the column we did consider:

1. Weight from tree members

2. Own weight of the column .





Wight from the Member:

P= 226.192 kN

Own weight of the column:

From LRFD manual, table 1-13, page 1-94,

we select section Hss 20X0.5 ,Properties:

Ib/ft=104, D= 0.5 m, I = 1360 in4= 5.7*10-4 m4, A=28.5 in2= 0.02 m2

Own wt of the column = 104 Ib/ft * 27.9 ft = 2,901.6 Ib = 13 kN

P

8.5m





Total Wight on tree column:

P= 226.192 kN

Own wt of the column =13 kN

Total weight on the column = 13 + 226.192 = 239.2 kN



Structure analysis for Tree column


Stress check

Check for global buckling

Local buckling





Stress check:

F = = = 11,960 kN/m2 ≤ fy =289579.8 kN/m2





Global bulking :

1. Find (KL) is called the effective buckling length of the column, From

LRFD manual, TABLE C-C2.2 (p. 16.1-240), we choose K= 2

L= length of the column = 27.9ft= 55.8 ft

KL= 2*27.9ft= 55.8 ft





Global bulking :

2. calculate the slenderness ratio :

Steel type = A572 Grade 50 .

HSS 20X0.5: r = 6.91 in

Preferably should not exceed 200

96.9 ≤ 200 No. Global bucling





Local bucling :From Table B4.1 of the AISC code, pages 16.1-16 to 16.1-18, For circular

hollow section

D/t = 43 < 0.11E/Fy = 0.11E/Fy = 0.11*(29000/50) = 63.8

No local buckling



Waffled slab design




Load calculation


We did design the waff led slab in two ways:

First, by using the ACI code and standard dimension.

Second, by using the company standard dimension.



Load calculation


ACI code ,Dead load :

From ASCE7-05 code, Table C3-2 (page 266): ϫconc = 22.6 kN/m3

Slab own weight= thickness of the slab *unit weight of concrete* span

= 0.2m*22.6(kN/m3)* 12.5m = 56.5 kN

From ASCE7, Table C3-1 (page 265): F.C weight = 1.58 kN/M2

Floor cover weight= 1.58(kn/m2) = 1.58*(12.5*25)= 493.75 kN

Ribs weight = (0.5*0.24)*22.6KN/m3* 12.5m =33.9 KN

Total D.L= 56.5 + 493.75 + 50.85= 601.1kN



0.6m 1m

0.15m

0.8m

As

main

As

shrinkage



Load calculation


Company code :



Load calculation


Company code :



Load calculation


Company code :



L1=0.2m

L2=0.233mL3=0.279m

H1=0.15m

H =0.35mH2=0.5m



0.2m0.7m



Summary of final design and solution



Design with added new facilities

Exist condition Final Design



Achieve the outside safety circulation

Organize traffic circulation

Waiting area (bridge)

EscalatorBus circulation

Enter

Exit

A hi i id f t i l ti



17m To out side

open area

17m

To the ground

loor(side walk) 25m

Achieve inside safety circulation

Basement floor plan

A hi i id f t i l ti



23m14.2 m

Achieve inside safety circulation

Ground floor plan



Visual harmony with surrounding environment







e n armony w surroun ng ac y anenvironment



environment

functions





Thank you for your listening

Documents

Çelik Palmiye.pptx