Table of Contents July 1961

FEATURES

Other Articles

• Home building costs

  How widely does the cost of home building vary from city to city?

   

• Building Officials Conference

  What is the Building Officials Conference of America and who is eligible to join?

   

• Paving record?

  What's the present record for placing highway pavement by a single crew in a single day?

   

• Concrete and heat

  What effect does long exposure to relatively high temperatures have on the compressive strength of concrete?

   

• First sawed joints

  When were pavement joints first made in the United States by sawing?

   

• Dry cylinders stronger

  Do thoroughly dry concrete cylinders test higher than wet cylinders?

   

• Molasses storage

  What treatment is recommended for the interior of concrete tanks which are to be used for the storage of molasses?

   

• No Fines Concrete

   

• The Scraping Straightedge

   

• Site Precast Panels Make Pedestrian Tunnel

   

• The Lowly Sidewalk

   

• Modified H/P Shell Roofs a Church

   

PROBLEM CLINIC

• Fireproof Vapor Barrier

  Is there such a thing as a non-combustible vapor barrier material which can be safely used in a work area where field welding is to be done?

   

• When to Strip Forms

  Is there a rule of thumb for determining when forms may safely be stripped on structures of various kinds?

   

• Tensile Strength By Crushing

  Can the tensile strength of concrete be determined from compression testing?