Retaining Wall Drainage Weep Holes

From engineering point of view weep hole is provided in these structures to relieve hydrostatic pressure or water pressure on the walls.
Retaining wall drainage weep holes. These holes should be regularly spaced in the horizontal direction. Weep holes are provided in earth retaining structures like retaining walls underpasses wing walls and other below ground drainage structures. Retaining walls with a height greater than a few feet should also have weep holes that are regularly spaced in the vertical direction forming a grid pattern. Weep holes are provided in masonry walls retaining walls underpasses wing walls and other ground draining structure.
Work with your landscaping expert to ensure that these holes are appropriately placed and sized to ensure that any excess water can drain through the wall. Weep holes allow water to escape from behind the wall. Maintainable weep hole filters by jet filter system provide drainage and soil filtration. Functions and advantages of weep holes are discussed.
Installed through the front of any new or existing retaining wall maintainable weep hole filters help prevent failure as they reduce water pressure and prevent soil loss. Weep holes provide an opening that allows the drainage of any moisture that may come from back of the wall through penetration capillary action or leakage. On an exterior retaining wall weep holes can be located every 4 to 8 feet depending on the extent of the water buildup and seepage. According to the masonry design manual weep holes are openings placed in mortar joints of facing materials at the level of flashing to permit the escape of moisture or openings in retaining walls to permit water to escape.
Industrial retaining walls leading to drainage ditches always contain weep holes right at the base of the wall while those in homes sometimes use other methods. If the wall is fairly short and the ground behind it does not. Install weep holes another important aspect of your retaining wall drainage plan is to have properly installed weep holes.