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Questions and Answers

What is the purpose of adding chemicals to concrete?

To make it harder

To make it easier to mix

To make it more flexible

To give it special properties (correct)

What is a coped connection used for?

To align the top edges of a beam (correct)

To connect the webs of wide flange sections together

To remove rust and corrosion from metal

To create a desired shape when a member or structure is loaded

What is the purpose of sand in a class A concrete mixture?

To provide a smooth finish (correct)

To give it special properties

To make it easier to mix

To make it harder

What is the purpose of a seated connection?

To provide additional stiffness and a resting place for a beam during erection Signup and view all the answers

What is the purpose of a toe kick in a cabinet?

To provide a comfortable working space Signup and view all the answers

What is a possible solution when ground bearing capacity is low and heavy columns are closely spaced?

Use a pile foundation Signup and view all the answers

What is the rule of thumb for the area that may be carried by a column?

10 square meters Signup and view all the answers

What is a possible foundation solution for a sloping site with minimal excavation?

Stepped footing Signup and view all the answers

What is a continuous strip of concrete supporting a continuous wall carrying a uniformly distributed load called?

Mat foundation Signup and view all the answers

What are the factors that affect the strength of concrete?

Water-cement ratio Signup and view all the answers

What is the purpose of cambering beams and slabs in construction?

To compensate for deflection due to loading Signup and view all the answers

What is a possible solution for supporting an entire heavy structure on weak soil?

Continuous footing Signup and view all the answers

What is a possible cause of a structural failure in a member under compression with short length?

Buckling Signup and view all the answers

What are some ways to increase the strength of concrete?

Use mineral admixtures Signup and view all the answers