Houston grew fast in the post-war boom, pushing development onto the flat coastal plains of Harris County. Those plains hide a tricky subsurface: thick layers of high-plasticity clay, shallow groundwater, and old river channels from the Brazos and San Jacinto. When we started designing Mechanically Stabilized Earth walls here in the mid-1980s, we quickly learned that the same reinforcement layout that worked in Dallas would fail in Houston. The clay shrinks and swells with seasonal moisture, so the backfill selection and drainage behind the wall face become critical. We have seen too many projects where a generic design led to bulging panels or water pressure buildup behind the wall. Before finalizing the MSE wall layout, we always run a geotechnical study of the site to map soil variability and groundwater depth. That first step saves everyone headaches later.
In Houston clay, a standard MSE wall without proper drainage is a ticking time bomb. We always design for wet conditions.