What is a concrete headwall?

The Headwall is a precast concrete structure with wings and a bottom to deflect the water away from the soil. Headwalls are a type of retaining wall that is commonly found near streams, ponds, or similar waterways.

What is a headwall in construction?

Headwall or Endwall– An integrated wall located at either end of drainage pipe or a stream crossing structure. A wall built at a pipe inlet is a headwall. A wall built at a pipe outlet is an endwall.

What is the function of headwall?

A headwall is a small retaining wall built at the inlet or outlet of a storm water drainage pipe or culvert pipe. Industries put them in place to reduce any erosion to the pipe and surrounding area caused by the constant flow of water.

What is the headwall of a culvert?

Culvert headwalls are attached to the ends of a culvert to reduce erosion, inhibit seepage, retain the fill, improve the aesthetic and hydraulic characteristics, and make the ends structurally stable. Two basic types of headwalls are available. They are broadly classified as safety headwalls and non-safety headwalls.

What is headwall and Wingwall?

• “Headwalls” refers to all walls, including wings, at the ends of single-barrel. and multiple-barrel pipe culvert structures. • “Wingwalls” refers to all walls at the ends of single-barrel or multiple-barrel. box culvert structures.

How do you install concrete headwalls?

Headwall Installation Guidelines

  1. Ensure that first or last spigot/butt or socket/butt pipe that is to be fitted to the Headwall is in position and free from backfill.
  2. Dig out the bank of the watercourse to take the size of the headwall making sure that the Headwall will not protrude into the path of the water flow.

Why is it called a headwall?

In civil engineering, a headwall is a small retaining wall placed at the inlet or outlet of a stormwater pipe or culvert. In medicine, a headwall is the wall at the head end of a hospital bedspace.

What is a Wingwall in a culvert?

Wingwalls are headwalls that have vertical concrete slabs that extend at an angle from the pipe opening. They can be made with aprons or footings as needed, and offer superior bridge support and erosion control.

What is a headwall glacier?

The headwall of a glacier is the rocky wall at the top end (head) of a glacier.

What are culverts used for?

Culverts are closed top structures placed under a trail to convey water. Unlike an open top box culvert, water from the trail does not drain directly into the culvert. Culverts for trail use are commonly made out of smooth plastic or corrugated metal and come in round and square cross-section shapes.

What is headwall of dam?

Headwall. An upstream wall. Headwater. The source and upper part of a stream; water upstream of a dam or powerhouse.

What is Breastwall?

Definition of breast wall : a wall built to sustain the face of a natural bank of earth — compare retaining wall.