Engineering Library

Forensic Soil Analysis &
Repair Protocols

Don't rely on general advice. Read the specific engineering breakdown for your city's geological profile.

Critical Risk Zones (Action Required)

Why Foundations Fail in Allen, TX

Primary Soil: Houston Black clay, 1 to 3 percent slopes

In-depth analysis of the PI 44.0 soil active zone in Allen and why standard pressed pilings often fail here.

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Why Foundations Fail in Dallas, TX

Primary Soil: Houston Black clay, 1 to 3 percent slopes

In-depth analysis of the PI 44.0 soil active zone in Dallas and why standard pressed pilings often fail here.

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Why Foundations Fail in Dallas, TX

Primary Soil: Stephen silty clay, 1 to 4 percent slopes

In-depth analysis of the PI 30.0 soil active zone in Dallas and why standard pressed pilings often fail here.

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Why Foundations Fail in Dallas, TX

Primary Soil: Dalco-Urban land complex, 0 to 3 percent slopes

In-depth analysis of the PI 36.0 soil active zone in Dallas and why standard pressed pilings often fail here.

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Why Foundations Fail in Frisco, TX

Primary Soil: Austin silty clay, 1 to 3 percent slopes

In-depth analysis of the PI 37.0 soil active zone in Frisco and why standard pressed pilings often fail here.

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Why Foundations Fail in Frisco, TX

Primary Soil: Heiden clay, 3 to 5 percent slopes, eroded

In-depth analysis of the PI 40.0 soil active zone in Frisco and why standard pressed pilings often fail here.

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Why Foundations Fail in Garland, TX

Primary Soil: Houston Black-Urban land complex, 0 to 4 percent slopes

In-depth analysis of the PI 47.0 soil active zone in Garland and why standard pressed pilings often fail here.

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Why Foundations Fail in Irving, TX

Primary Soil: Stephen-Urban land complex, 1 to 4 percent slopes

In-depth analysis of the PI 32.0 soil active zone in Irving and why standard pressed pilings often fail here.

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Why Foundations Fail in McKinney, TX

Primary Soil: Houston Black clay, 0 to 1 percent slopes

In-depth analysis of the PI 44.0 soil active zone in McKinney and why standard pressed pilings often fail here.

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Why Foundations Fail in Mesquite, TX

Primary Soil: Heiden clay, 2 to 5 percent slopes, moderately eroded

In-depth analysis of the PI 40.0 soil active zone in Mesquite and why standard pressed pilings often fail here.

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Why Foundations Fail in Plano, TX

Primary Soil: Houston Black clay, 1 to 3 percent slopes

In-depth analysis of the PI 44.0 soil active zone in Plano and why standard pressed pilings often fail here.

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Why Foundations Fail in Plano, TX

Primary Soil: Austin silty clay, 2 to 5 percent slopes, moderately eroded

In-depth analysis of the PI 28.0 soil active zone in Plano and why standard pressed pilings often fail here.

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Why Foundations Fail in Richardson, TX

Primary Soil: Houston Black-Urban land complex, 0 to 4 percent slopes

In-depth analysis of the PI 47.0 soil active zone in Richardson and why standard pressed pilings often fail here.

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Why Foundations Fail in San Antonio, TX

Primary Soil: Austin silty clay, 2 to 5 percent slopes, moderately eroded

In-depth analysis of the PI 28.0 soil active zone in San Antonio and why standard pressed pilings often fail here.

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Why Foundations Fail in The Colony, TX

Primary Soil: Branyon clay, 0 to 1 percent slopes

In-depth analysis of the PI 39.0 soil active zone in The Colony and why standard pressed pilings often fail here.

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Regional Soil Profiles