G5 Flashcards
The method to hold adhesive and epoxy anchors in place.
Chemical curing methods
Type of anchor used with a lag bolt
Expansion anchor
Stress plates are used to fasten ___?
Soft materials
Type of fastener use with pressure treated material
Tap on-anchors
Type of glue used with adhesive fasteners
Polyester resin
Which fastening system allows pins to be attached to steel
Powder actuated fasteners
Two types of water stop
Plastic or rubber dumbbell serrated
What pressures are waterstops designed to resist?
Water towers
Sewage treatment plants
Parkades
3 properties all waterstops must have
Waterproof
Flexible
Continuous cover over what needs to be sealed
Most common type of door jamb in a concrete wall
Metal
Wooden door jambs are usually cast in place with ___ attached.
Reversed Keys
What is added if door jambs are not snug to both sides of the forms?
Filler strips
How is a metal door frame secured in an existing masonry opening?
Hollow fasteners
What keeps a doorframe from moving before bricks or blocks are placed around it?
Lots of bracing
What must be done to keep concrete from leaking through the metal frame?
Plug holes, use rubber plugs.
How are L-shaped anchor bolts placed when accuracy isn’t needed?
By hand
What material is most used for bolt templates?
3/4” plywood
What kind of form is often used with dowels?
Slab edge form
What is done to ensure uniform contact between the base of a machine and its concrete footing?
It is grouted
How are anchor bolt threads protected during concrete placement?
Greased or a nut is twisted to the bottom of the treads so that removal of nut will clean the threads.
What type of drawing is used to find the exact locations of machine based bolts?
Shop drawings
How are templates for anchor bolts positioned?
String line
What is used to fasten precast concrete members together?
Welding
List two types of inserts.
T-Bone and reglets
Two functions of anchor bolts.
Secure down and provide lateral support
Which kinds of reglets require no caulking?
PVC
What materials are manufactured reglets made from?
PVC
Metal
Why are trough forms held down with ballast?
To keep it from floating
How are trough forms held in place during concrete placement?
Steel Ballast
