Since its inception BlackSea Labs has been involved in the development of intuitive and powerful
applications and tools for the benefit of engineers. We are dedicated to providing superb software to
our valued users dispersed across the globe.
Perfect Engineer is our latest app for the design of reinforced concrete columns and beams according to
various design norms and with multi-language support. We hope you will enjoy using it and highly
appreciate your valuable feedback.
Perfect Structure is the ultimate tool for engineers to design and check the load bearing capacity of
reinforced concrete members. Test your structure on the go! With its intuitive and contemporary
interface, Perfect Structure brings the best of UX to your mobile phones and tablets. Chose any from a
choice of 5 design codes and 2 units system. Supported design codes include ACI 318, EC 2, BS
8110, SP 13330 and TS 500. Execute your design in seconds and receive the results in PDF format. Share your calculation report with your colleagues over the internet. Fast and flexible, Perfect
Structure is the everyday tool for the perfect engineer who wants to have the mobility of a smartphone
or a tablet without a compromise. Just launch your Perfect Structure app, use the buttons on the main
screen for a column or a beam, select the section type, enter the dimension and load data, assign steel
and concrete grades and leave the rest to your app by hitting the “Calculate” button. The results will be
ready in moments with a clear and concise results screen. Then, select the PDF output
option if you’d like to send the results to others, save the report in your project folder.
Share your calculation report with your colleagues over the internet. Fast and flexible,

Use the settings page for a variety of options from user

feedback to design code selection. See how your design complies with the design codes by getting the
design check results according to the relevant code. Try and test different rebar arrangements and
member dimensions to get to the optimal configuration. Easily be informed if there are any warnings,
insufficient section or rebar area. Override the steel or concrete characteristics to include special grades
and strengths into your design. Phenomenally easy to use and flexible, Perfect Structure will get you to
the result in a matter of seconds with a top-notch user experience.

Perfect Structure is the everyday tool for the perfect engineer.

Key Features:
- Modern and User Friendly Design
- Ad Free! (with in-app purchases)
- 5 Design Codes: ACI 318, Eurocode 2, BS 8110, SP 13330 and TS 500
- 2 Units Systems: Metric (SI) & Imperial
- PDF Output
- RC Column Section Types: Rectangular, Circular, Hallow Rectangular and Hallow Circular
- RC Beam Section Types: Rectangular, T-beam, I-beam, Box-beam (Hollow Core)
- Design of both singly and doubly reinforced beams
- Draw interaction diagram for columns
- Checks given reinforcement against given loads and section parameters OR calculates optimal
reinforcement amount against given loads
- Calculates and checks both flexural reinforcement and shear reinforcement
- No internet connection necessary to do the calculations!

Ratings and Reviews

5.0 out of 5
2 Ratings

2 Ratings

аенон ,


Отличное приложение, удачи!

gbsahin ,

Top notch tool!

Recommended App for the Perfect Engineer!


Gokhan Behcet Sahin
29.5 MB

Requires iOS 11.2 or later. Compatible with iPhone, iPad, and iPod touch.


English, French, German, Italian, Portuguese, Russian, Spanish, Turkish

Age Rating


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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