What is a Waler system?
What is a Waler system?
Waler systems are easily-assembled, two-sided hydraulic bracing systems designed to be used with steel trench sheets to horizontally brace small trenches. Waler systems are typically used for the safe installation of utilities, particularly in excavations where services are present.
What are the different types of trench shoring?
There are two basic types of shoring, timber and aluminum hydraulic.
What is trench shoring equipment?
Hydraulic shoring consists of using hydraulic pistons which are pumped outward till they press against the walls of the trench. Usually, prefabricated struts and aluminum or steel wale systems are used in this method. Hydraulic shoring is very popular as it is faster and easier to use.
What is a Waler in formwork?
Standard Steel Waler Standard waler brackets are top notch to provide a fast and efficient attachment directly to the concrete form panel. To be used with smooth aluminum, smooth brick, and VertiBrick concrete forms.
What are the basic types of shoring?
What is the difference in trench shoring and a trench box?
What’s the difference between a trench box, shore box and a trench shield? Nothing. They are all terms used to refer to the same common type of trench protective system. A trench box, or trench shield, protects the workers inside it in the event of a trench wall collapse.
What is a Waler beam?
Waler beams, also referred to as “walers,” are horizontal beams that are bolted to a larger upright structure, such as a dock, in order to help support it.
What is the purpose of Waler beam?
Waling beams are used in combination with tie bars for anchoring sheet pile walls. They allow to spread the load on sheet pile and to concentrate them onto the tie bars. Waling beams and tie bars therefore form a system with strong compatibility with one another.
What is a Waler in concrete construction?
WTF steel waler brackets can be used with standard wood boards or aluminum channels. Brackets attach directly to the concrete forms to straighten the wall and minimize the need for additional bracing. In most residential construction, one row of walers at the top of the wall is usually sufficient.
What is a Waler concrete form?
The whalers are the horizontal wooden braces connected to the plywood wall form with cow bells. The strongback is the vertical wooden brace, holding the whalers straight and together, and the brace on the floor can be adjusted in and out with the blue turnbuckle.
What is the difference between trench sheets and sheet piles?
What is the difference between trench sheets and sheet piles? Trench sheets are essentially a very lightweight form of Sheet Piles. Trench Sheets are used on smaller projects, sometimes as an alternative to trench boxes.
How deep before you need a trench box?
5 feet
When trenches reach a depth of 5 feet or more, OSHA requires contractors to use a protective system. Protective systems are also required for trenches less than 5 feet deep if the soil might have the propensity to cave in when the trench is dug (such as with sand or mud).
What are different types of shoring?
Here are several different shoring types that construction professionals use:
- H and I-beam shoring.
- Secant pile shoring.
- Contiguous pile shoring.
- Sheet piles.
- Diaphragm walls.
- Raking shoring.
- Hydraulic shoring.
- Soil nail shoring.
How deep should a trench be before shoring?
Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock. If less than 5 feet deep, a competent person may determine that a protective system is not required.
What does Waler mean in construction?
waler (plural walers) (structural engineering) A plank of wood, block of concrete, etc., used for support or to maintain required separation between components in order to help maintain the form of a construction under stress.
How do you use Waler brackets?
Description. To install the One-Piece Waler Bracket, insert it into any side rail hole not being used for ties. Next, place a single or double 2×4 piece of lumber on top of the bracket. Finally, drop the wedge into position.