ToDo Calculator’s composite materials and structures calculator is a vital resource for enthusiasts, engineers, and professionals in this field. Tailored for composite material properties, structural mechanics, and design considerations, it offers advanced features and precise calculations. With its user-friendly interface, it accommodates users of all skill levels, making it indispensable for designing composite structures, analyzing their behavior, and optimizing performance in various applications.
Estimates effective depth based on span length for slabs.The formula is given by: Where: d is the effective depth of the slab, and L is the span length of the slab.
Simplified Analysis of Slabs Calculator Read More »
Bending stress calculation based on loading and timber geometry.The formula is given by: Where: Fb​ is the bending stress in the timber member. M is the bending moment applied to the member. S is the section modulus of the member.
Structural Timber Design Calculator Read More »
Degree of moment redistribution in continuous beams after yielding.The formula is given by: Where: Mmax​ is the maximum moment at the critical section. Mult​ is the ultimate moment capacity of the beam.
Moment Redistribution Factor Calculator Read More »
Dynamic behavior of structures under varying loads over time.The formula is given by: Where: m is the mass of the structure. c is the damping coefficient. k is the stiffness of the structure. x is the displacement of the structure from its equilibrium position. ˙x˙ is the velocity of the structure. ¨x¨ is the acceleration of
Structural Dynamic Response Calculator Read More »
Total load divided by the area of the slab.The formula is given by: Where: W is the total load applied to the slab, and A is the area of the slab over which the load is distributed.
Equivalent Uniform Load on Slabs Calculator Read More »
Ratio of ultimate load to allowable load for structural analysis.The formula is given by: Where: Ultimate Load is the maximum load that a structure can withstand without failure. Allowable Load is the maximum load that the structure is designed to support safely under normal conditions without causing excessive deformation or failure.
Structural Safety Factor Calculator Read More »
Total strain from creep, shrinkage, and elastic deformation combined.The formula is given by: Where: ϵtotal​ is the total strain in concrete. ϵelastic is the elastic strain, typically calculated using Hooke’s Law (σ=E⋅ϵ). ϵcreep​ is the creep strain, which accounts for the time-dependent deformation of concrete under sustained loads. It is often modeled empirically or using creep
Concrete Creep and Shrinkage Effects Calculator Read More »
Dynamic Modulus is a Stress divided by strain under dynamic loading.The formula is given by: Where: σ stress in N/m² ε strain
Composite Laminate Equation for Dynamic Modulus Calculator Read More »
Rebound velocity divided by impact velocity gives restitution coefficient.The formula is given by: Where: vrebound is a ​rebound velocity. vimpact is a impact velocity.
Composite Laminate Equation for Coefficient of Restitution Calculator Read More »
Residual Stress is a Moment divided by cross-sectional area after curing.The formula is given by: Where: σresidual​ is the residual stress in the composite laminate. Mcured​ is the moment created by the cured composite laminate. A is the cross-sectional area of the laminate.
Composite Laminate Equation for Residual Stress Calculator Read More »
