Back to Glossary
Bulkhead
What is Bulkhead?
Bulkhead, A structural partition or retaining wall that provides separation, support, or protection in construction applications
Description
Bulkhead is a structural partition, retaining wall, or protective barrier used in construction to provide separation between spaces, retain earth or water, or protect against environmental forces. These versatile structural elements serve various functions depending on application, from basement walls that retain soil to marine bulkheads that protect shorelines from erosion and wave action.
Purpose includes providing structural support, creating space separation, retaining materials, and offering environmental protection. Quality bulkhead design and construction are essential for structural integrity and protection in various applications.
Types include retaining bulkheads for soil retention, marine bulkheads for waterfront protection, basement bulkheads for below-grade walls, and partition bulkheads for space separation. Each type serves specific structural and functional requirements.
FAQs
What’s the difference between a bulkhead and a retaining wall?
The terms are often used interchangeably, though bulkhead may refer specifically to marine applications or certain below-grade walls.
How deep should bulkhead foundations be?
Depth depends on soil conditions and loads, typically extending below the frost line with adequate bearing capacity.
Do bulkheads need drainage systems?
Yes, proper drainage prevents water pressure buildup that could cause structural failure or performance issues.
Can bulkheads be waterproofed?
Yes, waterproofing membranes and sealants can be applied to prevent water infiltration while maintaining structural integrity.
What causes bulkhead failures?
Common causes include inadequate drainage, poor soil conditions, overloading, or lack of maintenance.
How long do bulkheads last?
Service life varies by material and conditions; concrete bulkheads can last 50+ years, while steel and timber generally have shorter lifespans.
Can existing bulkheads be reinforced?
Often yes, using tie-backs, buttresses, or other supplemental support systems, depending on existing conditions.
Fun Fact
Fun Fact: The term “bulkhead” originated in naval architecture, referring to watertight partitions in ships, and was later adopted for similar structures on land.
Links
CSI Code
03 30 00
NAHB Code
310







