02. Software Components and Functions
QiaoTong software includes the following main modules and functions (✮ indicates featured/enhanced functions).
Finite Element Calculation Module
| Feature | Function |
|---|---|
| Element library: beam elements, truss elements, cable elements, shell elements | |
| Material library: concrete, steel, prestressing, reinforcement, custom; supports orthotropic materials | |
| Section library: general concrete, steel truss beams, steel sections, composite beams, steel box girders, variable sections | |
| ✮ | Numerical and graphical bidirectional section editor |
| Boundaries: general supports, elastic supports, master-slave constraints, elastic links, constraint equations, beam end releases, local coordinate systems | |
| Loads: wind, temperature, settlement, creep and shrinkage, manufacturing deviation, prestressing, etc. | |
| General static analysis / natural vibration and buckling / response spectrum analysis | |
| Geometric nonlinearity: full nonlinearity, partial nonlinearity | |
| ✮ | Nonlinear dynamic time history analysis, nonlinear boundary elements |
| Load combinations: superposition, envelope, discrimination, square root of sum of squares, sum of absolute values, etc. | |
| Post-processing: reactions, deformations, internal forces, stresses; concurrent reaction/concurrent internal force tables |
Bridge Analysis Module
| Feature | Function |
|---|---|
| ✮ | Box girder transverse modeling assistant |
| ✮ | Cantilever casting beam modeling assistant |
| ✮ | Intelligent cable force adjustment for cable-stayed bridges |
| Spatial main cable shape finding for suspension bridges | |
| Effective width calculation | |
| ✮ | Parametric variable sections |
| ✮ | Unstressed state method: cable force tensioning, cable length tensioning |
| ✮ | Manufacturing deviation settings |
| Construction stage analysis | |
| ✮ | Track geometry analysis |
| ✮ | Steel trestle and bailey beam temporary structure modeling assistant |
| Moving loads (influence surfaces): highway, railway, municipal, track live loads and custom | |
| Live load tracking analysis | |
| ✮ | Automatic wind load calculation |
| Bearing settlement analysis |
Bridge Checking Module
| Feature | Function |
|---|---|
| ✮ | Automatic reinforcement layout function for sections |
| Concrete member checking | |
| Overturning resistance verification | |
| ✮ | Construction stage warning |
| ✮ | Steel truss beam checking module |
| Automatic calculation report generation |
Software Ecosystem Module
| Feature | Function |
|---|---|
| ✮ | Online feedback system |
| Online help manual | |
| ✮ | Python — API interface |