SutranetTower runs a full 3D finite-element analysis of 3-leg and 4-leg lattice towers, computes IS 875 Part 3 wind loads, checks every member to IS 17740:2022 / IS 800:2007, and produces an interactive report — plus a STAAD.Pro export. No install.
Free to start · runs in any browser · no credit card
SutranetTower is a web-based structural design and analysis application for lattice communication and transmission towers. You model the tower once — its sections, taper, bracing pattern, antennas and ladder — and the app builds a real 3D lattice, solves it with an OpenSees finite-element engine, and checks every leg, diagonal, horizontal and redundant against the governing Indian standards.
It handles both 3-leg (triangular) and 4-leg (square) cross-sections, derives IS 875 Part 3:2015 wind pressures for each wind direction, adds antenna, ladder, seismic and atmospheric-ice loads, and envelopes all load combinations to find the critical utilisation of each member. Everything runs in the browser — there is nothing to install, and the output is a single interactive report you can share, download as PDF, or export to STAAD.Pro for further work.
In short: the tedious, error-prone parts of tower design — wind tabulation, load combinations, slenderness and capacity checks, connection detailing — done consistently, to code, in minutes.
From wind tabulation to bolted connections — the full workflow, generic over 3-leg and 4-leg towers.
A real OpenSees lattice model — every leg, diagonal, horizontal and brace solved in 3D, not a simplified stick approximation.
Direction-by-direction wind pressures with the correct force coefficients for flat and round members, triangular and square faces.
Tensile yield and Perry-Robertson buckling, Annex F equivalent slenderness and per-role KL/r limits — tension and compression enveloped separately.
Triangular and square cross-sections across the whole pipeline, including plan bracing for torsional rigidity on square towers.
Panel and dish antenna wind, dead weight and torsion, plus ladder / cable-tray loads and the Cl. 7.2.2 climber live load.
Optional IS 1893 seismic base shear and IS 17740 atmospheric-ice effects, auto-gated and enveloped with the wind cases.
Ring-flange, leg-splice and bracing connections with IS 800 §10.2 detailing checks fed the real enveloped demand.
A self-contained report with a 3D viewer, deflected shape, force colouring, member schedule and capacity tables.
One-click .std export with load cases and IS-code combinations, so you can carry the model into STAAD.
Every load and check traces back to a clause — no black boxes.
Set the tower type, height and taper, pick a bracing pattern, and add antennas, ladders and site wind — all in a visual builder.
The 3D FE engine solves every wind direction and load combination, checks each member to code, and flags the critical utilisations.
Review an interactive report with a 3D viewer and member schedule, download the PDF, or export to STAAD.Pro.
Turn around tower designs and code checks faster, with a report you can hand to a client or reviewer.
Verify existing towers for new antenna loading, or size new masts for a rollout — without a full FE licence.
Optimise member sizes and bracing, then export straight to STAAD.Pro for detailing and fabrication.
Create a free account and run a full analysis in minutes — right in your browser.