Mechanical parts
Open-Spandrel Concrete Arch Bridge
- Bounding box
- 10000.0 × 900.0 × 1990.0 mm
- Engine
- Precision B-rep
- Parameters
- 27
- Published
- October 19, 2026
Download
Free to download and use. See the terms.
The prompt
High-detail isometric 3D CAD model of an open-spandrel reinforced concrete arch bridge. Features a primary parabolic structural concrete arch anchored into massive inclined stepped concrete abutments at both ends. The continuous flat two-lane roadway deck is directly supported by evenly spaced vertical spandrel column pairs springing from the top curve of the arch. Tall double-column approach piers with heavy rectangular stepped footings support the outer spans. Clean geometric structure, accurate structural load-bearing mechanics, textured grey concrete, isolated background.
Parameters
| Name | Value | Range |
|---|---|---|
| Deck Length | 10000 mm | 4000 – 30000 |
| Deck Width | 900 mm | 300 – 3000 |
| Deck Slab Thickness | 110 mm | 40 – 500 |
| Crown-to-Soffit Clearance | 300 mm | 100 – 1500 |
| Parapet Height | 80 mm | 10 – 400 |
| Parapet Thickness | 35 mm | 10 – 150 |
| Arch Clear Span | 4500 mm | 1000 – 20000 |
| Arch Rise | 1200 mm | 300 – 8000 |
| Springing Height | 300 mm | 0 – 3000 |
| Arch Rib Depth | 180 mm | 60 – 800 |
| Arch Rib Width | 600 mm | 150 – 2500 |
| Spandrel Column Pairs | 7 pairs | 3 – 15 |
| Column Group Span | 3600 mm | 500 – 15000 |
| Column Size (along span) | 100 mm | 40 – 500 |
| Column Size (across deck) | 120 mm | 40 – 500 |
| Column Offset from Centre | 200 mm | 0 – 1200 |
| Abutment Inner Face X | 2150 mm | 500 – 10000 |
| Abutment Outer Face X | 3300 mm | 800 – 15000 |
| Abutment Width | 900 mm | 200 – 4000 |
| Approach Pier Position X | 3900 mm | 1000 – 15000 |
| Pier Column Size (along span) | 170 mm | 50 – 800 |
| Pier Column Size (across deck) | 140 mm | 50 – 800 |
| Pier Column Offset | 220 mm | 0 – 1200 |
| Footing Size (along span) | 900 mm | 200 – 4000 |
| Footing Size (across deck) | 880 mm | 200 – 4000 |
| Footing Step Height | 150 mm | 40 – 600 |
| Pier Cap Beam Height | 150 mm | 50 – 600 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
More models
Browse the full gallery →Plastic Bottle with Screw Cap
A plastic bottle with a twist-on screw cap. Adjustable bottle diameter, height, and cap height.
Copper Cold-Plate Base with Fin Channels and Face-Seal Groove
1. Copper Base Create a rectangular copper base 84 × 84 mm. Use C110 ETP copper. Finished overall base thickness is 5.70 mm. The bottom floor thickness below the channels is 2.50 m
Spring Cup
"Create a cylindrical spring cup. The main body has an outer diameter of 14 mm and a total height of 5 mm. Cut a centered recessed pocket into the top face that is 8.5 mm in diamet
M6 Thumb Screw
Create ONLY a mechanical thumb screw. This is NOT a knob. Create a real M6 thumb screw used in industrial machinery. Features: • Circular head 22 mm diameter • Head height 12 m
Engine Piston
make me a cylinder/piston for an engine. The bottom hole to connect to the cranckshaft needs to be 24 mm in diameter
Nuclear Medicine Center Functional Floor Plan (Parametric Wall Model)
Create a **2D architectural floor plan in DWG format** for a new **Nuclear Medicine Center**. This is a **generic conceptual functional layout**, NOT a construction-ready project.