Answers . 02 June 2010                     
ArchitectureWeek
NEWS   |   DESIGN   |   BUILDING   |   DESIGN TOOLS   |   ENVIRONMENT   |   CULTURE
< Prev Page Next Page >
 
IN THIS ISSUE
  Contents
 
  •  
  • People and Places
     
  •  
  • Maki's MIT Media Lab
     
  •  
  • Sustainable Site Selection for Schools

     
    AND MORE
      Current Contents
      Blog Center
      Download Center
      New Products
      Products Guide
      Classic Home
      Architecture Forum
      Architects Directory
      Topics Library
      Complete Archive
      Web Directory
      About ArchWeek
      Search
      Subscribe & Contribute
      Free Newsletters
       

     
    NEXT WEEK

    [an error occurred while processing this directive]

    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

    Solution to Last Week's Puzzler
    Architecture Puzzler #476

    Question

    A concrete slab can be described in terms of flatness and levelness. What is the difference, and if a problem occurs with one or the other, is it likely due to the finishing or the screeding of the concrete?

    Answer

    Flatness in concrete is thought of as smoothness — how bumpy or smooth the slab is. The flatness is determined by the concrete finisher. The levelness is a little different in that it is the average change in elevation over a longer distance, for example one-half inch in ten feet (one centimeter in three meters). The levelness of the slab is determined by how well the concrete is screeded. Screeding is the process of raking the wet, newly poured concrete to the level of the desired elevation. Finishing is the smoothing/ troweling process that occurs as the concrete is setting up and hardening.
     


     

    Okay, got it? Now try this week's Puzzler:

    http://www.ArchitectureWeek.com/quiz.html


     

    Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

    Quizzical Pursuit is Copyright 2010, Dave Guadagni.

    AW

    ArchWeek Image

    Triangular concrete-waffle-slab floor system in the Yale University Art Center by Louis Kahn.
    Photo: Elizabeth Felicella

     
    < Prev Page Next Page > Send this to a friend       Media Kit       Contributing       Privacy       Comments
    ARCHWEEK  |  GREAT BUILDINGS  |  ARCHIPLANET  |  DISCUSSION  |  BOOKS  |  BLOGS  |  SEARCH
      ArchitectureWeek.com © 2010 Artifice, Inc. - All Rights Reserved