Ground Screws and Solar Carports

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Ground Screws and Solar Carports
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Ground Screws and Solar Carports

Description
Ground screws are steel foundation elements with helical plates that are installed into the ground without wet processes. Solar carports on ground screws are a practical solution for parking areas, technical zones, and overhead structures designed for photovoltaic modules.
Applications
Ground screws are used for light and medium-loaded structures. Solar carports are suitable for private and commercial parking areas, logistics zones, service facilities, and other sites where shelter, parking, and solar energy generation must be combined.

Key Selection Parameters

Important factors include: shaft diameter; wall thickness; screw length; helix geometry; head type; corrosion protection coating; design load; soil conditions; structural scheme of the carport; roof configuration for photovoltaic modules.

Technical Characteristics

  • material: S235 / S355
  • shaft diameter: 57, 76, 89, 108, 140 mm
  • wall thickness: 2,5–8,0 mm
  • screw length: 550–8000 mm
  • head type: flanged and other structural variants
  • coating: hot-dip galvanizing
  • upper structure: steel structure prepared for photovoltaic modules
  • configuration: individual or modular solutions depending on the number of parking spaces and project layout

Project-Specific Selection

Shaft diameter, wall thickness, screw length, helix geometry, head type, and foundation scheme are selected according to loading, structure type, and soil conditions. For solar carports, the structural geometry, module arrangement, spans, clear height, parking layout, and the overall system configuration are also determined. Basic Characteristics
Parameter Typical values
Material S235 / S355
Shaft diameter 57, 76, 89, 108, 140 mm
Wall thickness 2,5–8,0 mm
Screw length 550–8000 mm
Head type flanged and other structural variants
Coating hot-dip galvanizing
Typical Ranges by Diameter
Shaft diameter Wall thickness Screw length
57 mm 2,5–4,0 mm 550–2500 mm
76 mm 2,5–4,0 mm 800–4500 mm
89 mm 3,0–4,0 mm 1200–5000 mm
108 mm 3,0–5,0 mm 1500–8000 mm
140 mm 5,0–8,0 mm on request

Project-Specific Selection

Shaft diameter, wall thickness, screw length, helix geometry, head type, and foundation scheme are selected according to loading, structure type, and soil conditions. For solar carports, the structural geometry, module arrangement, spans, clear height, parking layout, and the overall system configuration are also determined. Basic Characteristics
Parameter Typical values
Material S235 / S355
Shaft diameter 57, 76, 89, 108, 140 mm
Wall thickness 2,5–8,0 mm
Screw length 550–8000 mm
Head type flanged and other structural variants
Coating hot-dip galvanizing
Typical Ranges by Diameter
Shaft diameter Wall thickness Screw length
57 mm 2,5–4,0 mm 550–2500 mm
76 mm 2,5–4,0 mm 800–4500 mm
89 mm 3,0–4,0 mm 1200–5000 mm
108 mm 3,0–5,0 mm 1500–8000 mm
140 mm 5,0–8,0 mm on request

Technical Notes

  • Screw selection should consider load, soil type, and structural behavior.
  • For solar carports, compatibility between the foundation, above-ground structure, and photovoltaic module configuration is essential.
  • Head geometry and connection method must match the structural solution of the project.
  • In parking applications, the structure should also be defined according to parking layout, spans, and photovoltaic system installation requirements.

Related Materials

  • Parking Grids
  • Culverts and Retention Tanks
  • Geocells