Question

stone drains are usually made in the following shape
a. L shape
b. ∆meter
c. v shape
b. Rectangular​

Answer 1

Answer:

Rectangular share stone

Answer 2

Rectangular stone drains

Explanation:

• Drain rock is a type of stone that both builders and homeowners rely on. Drain rock is distinguished by its purpose rather than its size or shape– as the name implies, drain rock is a porous gravel substance meant to manage the flow of water in a drain.
• This sort of stone is available in a variety of sizes, including 1 1/2 inch, 3/4 inch, 7/8 inch, and 3/8 inch. Pea gravel is another name for this smallest size.
• Depending on the builder's desire and the intended application, these stones might be rough, jagged, or smooth in texture. Furthermore, the colour of drain rock can be as varied as the colour of stone, ranging from white to black to various colours of grayish-blue.
• The colour of drain rock is frequently determined by the location of the quarry where it was mined.
• Drain rock is valuable because it may be used in a variety of drainage methods. Here are a few examples of how drain rock is used to regulate and redirect water:
• French Drains: A French drain is a ditch with a perforated pipe in it. Drain rock is used to fill the trench or hole, allowing water to flow freely towards the pipe for redirection. Water damage to building foundations necessitates the use of French drains.
• Driveway. Paved driveways are occasionally lined with drain rock and supported by it. Drain rock quickly collects runoff water that runs from impermeable pavement when applied beneath and around asphalt or concrete.
• Because topsoil (the top two to eight inches of dirt) is so thick, it doesn't typically absorb rain rapidly. When topsoil becomes saturated, drain stones near driveways can help prevent floods.  
• Finally, when used as a mulch, drainage gravel is valued by gardeners for its capacity to minimise soil erosion. Drain stones can also serve as a base layer for garden beds, preventing roots from becoming too wet.
• Drain rock is a basic item that is surprisingly useful.