Daniel T. Li, Ph.D., S.E., is a prominent figure in the field of structural engineering, best known for developing an extensive library of professional structural design spreadsheets through his company, Engineering International Inc. .
The software is licensed through Engineering International Inc. rather than sold as individual files. daniel t li spreadsheets
Unlike complex analysis programs, these sheets show the formulas and reference code sections used, making them ideal for submittals to building departments. Daniel T
in the United Kingdom (MIStructE). Licensed General Engineering Contractor . in the United Kingdom (MIStructE)
Includes designs for beams, columns, walls, and slabs, often following ACI 318 standards.
DTL generally does not sell individual software modules because the databases are often interlinked. Instead, users purchase a license for the entire package of hundreds of spreadsheets.
The primary focus of Daniel T. Li’s work is a collection of approximately . These tools are built using Microsoft Excel (specifically .xlsb and .xlsm formats) and are designed to provide a comprehensive, transparent, and easy-to-use platform for structural analysis. Key Categories of Design Spreadsheets: