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STRUCTURAL INSPECTIONS & DEFECTS
AGE of a BUILDING - how to determine
BRICK FOUNDATIONS & WALLS
CHIMNEY INSPECTION DIAGNOSIS REPAIR
COLD POUR JOINTS, CONCRETE
COLUMNS & POSTS, DEFECTS
DISASTER BUILDING INSPECTION & REPAIR
EARTHQUAKE DAMAGED FOUNDATIONS
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FLOOD DAMAGE TO FOUNDATIONS
FOOTING & FOUNDATION DRAINS
FOOTINGS EXPOSED, Repair Methods
FOUNDATION BULGE or LEAN MEASUREMENTS
FOUNDATION CONSTRUCTION TYPES
FOUNDATION CONTRACTORS, ENGINEERS
FOUNDATION CRACKS & DAMAGE GUIDE
FRAMING DAMAGE, INSPECTION, REPAIR
GRADING, DRAINAGE & SITE WORK
GUTTERS & DOWNSPOUTS
INSECT INFESTATION / DAMAGE
MOBILE HOMES, DOUBLEWIDES, TRAILERS
MODULAR HOME CONSTRUCTION
MOISTURE CONTROL in BUILDINGS
RETAINING WALL DESIGNS, TYPES, DAMAGE
RETAINING WALL GUARD RAILINGS
STRAW BALE CONSTRUCTION
STRUCTURAL DAMAGE PROBING
STRUCTURAL WOOD ASSESSMENT
THERMAL EXPANSION of MATERIALS
TIMBER FRAMING, ROT
WATER BARRIERS, EXTERIOR BUILDING
WATER ENTRY in BUILDINGS
WINTERIZE A BUILDING
This article explains How to identify types of foundation construction, methods, materials as an aid to diagnosing foundation damage. Understanding what foundation materials were used, how a foundation was constructed, and the sequence of construction steps are key elements in accurate diagnosis of foundation cracks, bowing, collapse or other problems as well as in planning for foundation repair This article series describes how to recognize and diagnose various types of foundation failure or damage, such as foundation cracks, masonry foundation crack patterns, and moving, leaning, bulging, or bowing building foundation walls.
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Foundation Construction Materials & Methods: How to Identify Foundation Construction Type, Materials, Sequence
Photos of slab on grade foundations are included in the following articles:
SLAB CRACK EVALUATION
Control Joint Cracks in Concrete
Freezing & Water Damage
Frost Heave/Expansive Soil Cracks in Slabs
Settlement Cracks in Slabs
Settlement Cracks vs. Frost Heaves
Settlement Cracks vs. Shrinkage Cracks
Shrinkage Cracks in Slabs
Shrinkage Cracks Along Foundation Walls
SLAB CRACK REPAIR
Control Joint Cracks in Concrete
Seal Cracks by Polyurethane Foam Injection
Seal Cracks in Concrete, How To
Standards for Repair of Cracks in Floors
Our photo at left shows a poured concrete foundation wall.
Watch out: As we introduce at our home page for this topic, FOUNDATION CRACKS & DAMAGE GUIDE, since certain masonry structure defects, such as even slightly-bulged structural brick masonry walls (above or below ground level - BRICK FOUNDATIONS & WALLS) or severely bulged below-ground masonry block or stone foundations, (BULGED vs. LEANING FOUNDATIONS) can lead to sudden precipitous and catastrophic building collapse, dangerous conditions may be present at some properties.
The original construction included in-slope grade at the rear of this building, combined with poorly-drained soils and runoff which was trapped against the building.
The concrete block foundation collapse at this building occurred more than twenty years after construction and might have been avoided by proper handling of roof runoff, the immediate failure cause, but the site shape and failure to provide proper surface and subsurface drainage were important factors in this foundation failure too. See SITE FACTORS AFFECTING FOUNDATIONS.
Below we list site factors to be considered when evaluating foundation damage of this type. See FOUNDATION INSPECTION METHODS for details.
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