G2 Flashcards
The guide that supports the strike off bar is called a:
Screed
What term describes a form used to finish the side of a cast-in-place slab?
Edge form
Pouring all members at once is called:
Monolithic placement
What form work component has a flexible bulb in the middle to resist shearing forces?
Water stop.
Who is responsible or preparing a plan for all form work that could cause injury?
Employer
Temporary support for loads during construction is called:
False work
What must a form work designer sign before each concrete placement?
Field design.
Two factors that affect the pressure of form work:
Rate of placement, setting time
What type of form work is use in dam construction?
Cantilevered form work
Purpose of a reglet is:
Allows space added to make area watertight.
Wastemold is form work that is:
Destroyed
What is the meaning of telegraphing?
When a defect is reproduced on the surface
Why is a test block made
Show quality of finished concrete surface
How is an exposed aggregate finish made?
Using gap graded aggregate
Why is tooling a concrete surface rarely done?
Too laborious.
How can you make a “site-made” Rustification strip?
Use wood free from knots.
What are control joints ft?
Encourage cracks to follow these joint lines.
Difference between isolation joint and control joint?
Isolation joints are used next to walls and around columns.
