Skip to main content
Chicago Architecture Center - CAC
Tickets
River Cruise
All Tours
All Exhibits
All Events
Cart
Search
Membership
Calendar
News
Menu
Visit
General information
Admission, Hours, Location
Shop
Accessibility
Special offers
Exhibits
On view
Current exhibits
Online exhibits
Archive
Past Exhibits
Tours
Explore
River Cruise
Walking, bus & bike tours
Tour FAQ
Groups
Group tours
Field trips (k-8)
Field trips (age 14+)
Specialty
Private tours
Programs & Events
Attend
Programs
Open House Chicago
Archive
Past Programs
Host an event
Venue rentals
Learn
Schools & Teachers
Field trips (k-8)
Field trips (age 14+)
Training & Curriculum
Teens
Teen Fellows
Programs
Competitions
Families
Camps & Classes
Programs
Festivals
Resources
Buildings of Chicago
Architecture
Dictionary
No Small Plans
DiscoverDesign.org
Join & Give
Join
Membership
Renewal
Gift membership
Member login
Volunteer
Docents
Education guides
Exhibit hosts
Guest services
Give
Donate
Industry Council
Sponsorship
Campaign
Boards & Societies
Board of Trustees
Auxiliary Board
Burnham Society
Blueprint Society
About
About us
Our history
Our impact
Our team
News
Learn more
FAQ
Venue rentals
Reports
Contact us
CAC Online Store
Shop
clear-span construction
Home
Learn
Resources
Architecture Dictionary
clear-span construction
In This Section
Buildings of Chicago
Architecture Dictionary
No Small Plans
a structural system that does not use any columns between the exterior walls
Search
Tickets
River Cruise
All Tours
All Exhibits
All Events
Cart
Visit
General information
Admission, Hours, Location
Shop
Accessibility
Special offers
Exhibits
On view
Current exhibits
Online exhibits
Archive
Past Exhibits
Tours
Explore
River Cruise
Walking, bus & bike tours
Tour FAQ
Groups
Group tours
Field trips (k-8)
Field trips (age 14+)
Specialty
Private tours
Programs & Events
Attend
Programs
Open House Chicago
Archive
Past Programs
Host an event
Venue rentals
Learn
Schools & Teachers
Field trips (k-8)
Field trips (age 14+)
Training & Curriculum
Teens
Teen Fellows
Programs
Competitions
Families
Camps & Classes
Programs
Festivals
Resources
Buildings of Chicago
Architecture Dictionary
No Small Plans
DiscoverDesign.org
Join & Give
Join
Membership
Renewal
Gift membership
Member login
Volunteer
Docents
Education guides
Exhibit hosts
Guest services
Give
Donate
Industry Council
Sponsorship
Campaign
Boards & Societies
Board of Trustees
Auxiliary Board
Burnham Society
Blueprint Society
About
About us
Our history
Our impact
Our team
News
Learn more
FAQ
Venue rentals
Reports
Contact us
CAC Online Store
Shop
News
Calendar
Membership
My Account
Membership
Newsletter
Contact Us
