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Special Thanks to Prof. W. Andrew Atwood & Prof. C. Greig CryslerWithout your instruction I couldn't make it
Thanks to Chest Miller Scholarship for generously supporting this thesis
Thanks to Joleen for accompanying me in these days. Thanks to Yibo Zhao for helping with physical models. Thanks to my parents for paying the tuition to allow me stay here.
Finally thank God for letting me know these people and have nice experience.God bless you, God bless America!
Chicago Frame 5
A Challenge to Chicago Framedesigned by Qi Li instructed by W. Andrew Atwood & C. Greig Crysler
Location of site at S. Figueroa St & 5th St in Downtown Los Angeles, CA
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Architects are critical about this fact, and they tried to express more than this. As stated by Colin Rowe, “Unlike Sullivan, who had approached architecture primarily with the object of realizing an expressive structure, Wright was, from the first, abnormally sensitive to the to the demands of an expressive space."
However besides form, there’re lots of other architectural parts, such as space, facade, circulation, view, that could possibly be more interesting if they were not that subordinate to the system. In this thesis I’m redesigning a high-rise, seeking a balance between relying on the grid frame and being extremely subordinate to the system of grid, and develop these architectural parts to better react to the context people’s need in modern times.
Diagram of typical current floor use of one company While I was doing an internship in the office on 33rd floor, I strongly felt the negative of this singular space of this building.
Chicago Frame 9
Undesired View to the other twin tower as blocked by surroundingsUndesire reasons: blocked view, no sunshine, surrounded by people, no recreation atmosphere because others are watching you, probably...
Chicago Frame 11
Desired View along Figueroa St which is not blocked by surroundings
Then I was wondering if I could connect all the floor’s recreation space to form a vertical streets with all kinds of activities. However I found that Chicago Frame didn’t have free section to allow that space exist in the building. Thus I began to have some big movements to cut this volume to build this space.
Chicago Frame 13
Then I was wondering if I could connect all the floor’s recreation space to form a vertical streets with all kinds of activities. However I found that Chicago Frame didn’t have free section to allow that space exist in the building. Thus I began to have some big movements to cut this volume to build this space.
Diagram of redesigned layout
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Downtown Los Angelesopen city view but hidh densed downtown area
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Volume that has open view not blocked by other high-rise. It could be through the gap in-between other buildings or to the DTLA Central Garden.
A Challenge to Chicago Frame 19
Volume that has open view not blocked by other high-rise. It could be through the gap in-between other buildings or to the DTLA Central Garden.
Due to its double height and space quality needing, open space may have a large window-wall ratio, west-face space may be not desirable and has a high energy cost, especially in LA's summer. North-face is also avoided due to insufficient sunshine for vertical botanical garden.
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Due to its double height and space quality needing, open space may have a large window-wall ratio, west-face space may be not desirable and has a high energy cost, especially in LA's summer. North-face is also avoided due to insufficient sunshine for vertical botanical garden.
Potential area for open space is selected which could be connected by continuous circulation from the ground up to the top for a vertical public street.
A Challenge to Chicago Frame 23
Potential area for open space is selected which could be connected by continuous circulation from the ground up to the top for a vertical public street.
Within the framework in last step, this cut is made for entrance halls towards the plaza where most of the people will come from.
A Challenge to Chicago Frame 25
Within the framework in last step, this cut is made for entrance halls towards the plaza where most of the people will come from.
Higher and rotate to desired direction.
A Challenge to Chicago Frame 27
Higher and rotate to desired direction.
Again...
A Challenge to Chicago Frame 29
Again...
Again...
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Again...
Again...
A Challenge to Chicago Frame 33
Again...
Finally...
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Finally...
Free Plan
Anyway, within the selected void space, every other floor is removed to build double height open space.
A Challenge to Chicago Frame 37
Free Plan
Anyway, within the selected void space, every other floor is removed to build double height open space.
Afterwards I carefully redesigned the structure system to support what I did in this high-rise. As shown in the diagram, the cross-beams are cut to leave void space for new program, while steel trusses for reinforcement are introduced to support the geometry and volume in last step. Secondary beams and trusses hold everything together to help with integrity.
Free Facade
A Challenge to Chicago Frame 39
Afterwards I carefully redesigned the structure system to support what I did in this high-rise. As shown in the diagram, the cross-beams are cut to leave void space for new program, while steel trusses for reinforcement are introduced to support the geometry and volume in last step. Secondary beams and trusses hold everything together to help with integrity.
Free Facade
Elevator halls on each floor are shifted to the open space.After haveing this vertical continuous space, I redesigned the circulation, so that people could have another choice if they want to walk in this space, feeling different activities together with nice view and sunshine, instead of just staying in the elevator hall to go to their working floor.
Free Circulation
A Challenge to Chicago Frame 41
Elevator halls on each floor are shifted to the open space.After haveing this vertical continuous space, I redesigned the circulation, so that people could have another choice if they want to walk in this space, feeling different activities together with nice view and sunshine, instead of just staying in the elevator hall to go to their working floor.
Free Circulation
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Lowest Division
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Highest Division
Emergency & Cargo Division
HighDivision
Facade of CNB, L.A.
A Challenge to Chicago Frame 4544 site & project
Transformed FacadeJust as the logic of Chicago Frame, this change in structure inevitably gets projected on the facade, as shown in the drawing. The facade is a collage of classical singular grid system and newly-built truss which indicates the changed space and program behind it.
Facade is defined by the transformed program inside
Section and Relevant Envelope
ANALYSIS_Office Function and Shortcomings
The large scaled office would be of high efficiency, but the relevant problem is lacking
activity place for people to relax, sport and communicate with each other.
FUNCTION
Except for the office function required by clients, I hope to insert public area acting as a
relaxing place for offices.
SUNSHINE FOLLOWS_Relevant Envelope
Different functions require different amount of sunshine. Public space needs more of it but
offices should be neither too bright nor too dark. So I designed relevant envelopes to
provide different amount of natural light.
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Facade is defined by the transformed program inside
15th Floor Plan drawing at the scale of 1"=50'
Drawing & Rendering 49
25th Floor Plan drawing at the scale of 1"=50'
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Sect
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plan
dra
win
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the
scal
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1"=
100'
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Faca
de d
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at th
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of 1
"=10
0'
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A Challenge to Chicago Frame 58
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A Challenge to Chicago Frame 58
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This Challenge Comes from My love to Chicago Frame