Demirci - Smart Rebar Cutting Optimizer

🏗️ Professional rebar cutting optimization tool using lexicographic optimization algorithm.

Features

• ✂️ Multi-diameter rebar optimization
• 📊 Minimizes waste and number of bars
• 📁 Excel/CSV/ODS file import support
• 💾 Export to TXT, Excel, PDF
• 🎯 Adaptive efficiency algorithm
• 🖥️ User-friendly GUI interface

Screenshots

Installation

Requirements

• Python 3.8+

Install Dependencies

pip install -r requirements.txt

Usage

python main.py

Basic Steps:

1. Enter rebar diameter, length, and quantity
2. Click "Add" or load from Excel
3. Click "Calculate"
4. View and export results

Excel Import Format:

Çap (mm)	Uzunluk (m)	Adet
12	3.5	10
16	5.2	8

Algorithm

Uses Lexicographic Optimization:

1. Phase 1: Minimize number of bars
2. Phase 2: Minimize waste (if needed)

Examples

See /examples folder for sample inputs and outputs.

Technical Details

• Solver: OR-Tools (SCIP/CBC)
• GUI: Tkinter
• Optimization: Column Generation + Integer Programming

License

MIT License

📝 Medium Article

Read the detailed article (Turkish): Şantiyelerde Milyonlarca Dolarlık Fire: Demirci ile Çözüm

Learn about the financial and environmental impact of rebar cutting optimization in Turkish construction industry. The article covers real-world calculations showing how optimization can save millions of dollars and reduce carbon emissions.

Contact

📧 civileng.serdar@gmail.com
🔗 GitHub Profile

Contributing

Pull requests welcome! Please open an issue first.