Soc Conc Formwork Test Flashcards
What is cement?
The binding agent in concrete the bonds aggregate together.
Whay Is hydration?
The chemical reaction between cement and water.
What is the name of the funnel shape widening at the top of round column?
Capital
What type of reinforcement are in stalled with vertical rebars when erecting round columns?
Spirals
What is slab on grade?
Is the slab that is poured on the ground
What is the diameter of number 6 rebar?
3/4 of an inch
What form ties are designed so the form can be reattached?
Coil ties
What is the name of the process of extending existing foundation to lower levels of the undisturb soil?
Underpinning
Formwork openings are built strong enough to withstand external pressure, But simple enough for what?
Ease of stripping
Where on a Wall form is the greatest pressure exerted?
At the bottom
What is done to keep concrete from sticking to the forms?
Apply oil to the forms.
What is the correct consistency for dry pack grout?
Squeeze it in your hand and it holds its shape.
Which of the following best defines the term dome Pan?
A form used to shape concrete floors slabs and Joists in a waffle pattern.
What are batter boards used for?
What touch building lines to
What are the minimum dimensions for planks to be used as scaffolding decking?
2 x 10 x 8
What is the name for members that hold sections of a form in a straight horizontal line?
WALERS
What is the caisson?
I steel pipe place in the ground and filled with concrete.
What are the bases of column forms generally positioned with?
Templates
What is used when construction and isolation joint between concrete stairs and a sidewalk?
Asphalt impregnated strip
Is the greatest advantage of snap Ties?
They can easily be broken off with a concrete
Where is the best location to brace a column form?
Near the top
What is the slump test perform for?
To test a consistency of concrete
What purpose does a poly vapour barrier serve under a slab on grade?
Stop this love from absorbing moisture through capillary action from the soil below
What volume of concrete would be required for around column that is 12’ 6” high and has a 1’ 8” in diameter
1.01 yd³ or 0.772 Cubic metre