How Can I Fix My Falling Retaining Wall?

Where prevention fails, repair follows

  • Credit: SV Fisk

    After years of hard work holding in the soil, this retaining wall is leaning toward the street…and trees are growing out of it. Could the owners have saved it with some fixes or prevention?

Newswise — July 1, 2017 –  If your retaining wall is looking more like a leaky eyesore, help is on the way! The Soil Science Society of America (SSSA) July 1 Soils Matter blog post explains maintenance retaining walls require, and options for reinforcing them.

“Several factors may cause a retaining wall to fail,” says soil scientist Christina Hebb. “Often they result from poor engineering or not understanding the conditions at the location.”

Hebb offers a few ideas to try before you resort to excavating:

  • Regrade the area maintained by the wall to redirect water flow away from the wall. This will reduce some of the water pressure that may be building up behind the wall.
  • Drill additional weep holes into the wall to allow for increased surface drainage.
  • Reduce the height of the retained material by regrading. Sometimes changing the landscape design is an acceptable method to an allowable limit based on the wall design.
  • Transfer some of the shear force at the location where the wall connects with the ground. This increases the overall strength of the wall.

To read the entire blog post, visit https://soilsmatter.wordpress.com/2017/07/01/how-can-i-fix-my…g-retaining-wall/.

Follow SSSA on Facebook at https://www.facebook.com/SSSA.soils, Twitter at SSSA_Soils. SSSA has soils information on www.soils.org/discover-soils, for teachers at www.soils4teachers.org, and for students through 12th grade, www.soils4kids.org.

The Soil Science Society of America (SSSA) is a progressive international scientific society that fosters the transfer of knowledge and practices to sustain global soils. Based in Madison, WI, and founded in 1936, SSSA is the professional home for 6,000+ members and 1,000+ certified professionals dedicated to advancing the field of soil science. The Society provides information about soils in relation to crop production, environmental quality, ecosystem sustainability, bioremediation, waste management, recycling, and wise land use.


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