| Structural engineering is a complex process that is | | | | calculations. Certain computer software designed |
| vital to the construction of any residential dwelling. | | | | specifically for the calculation of |
| The knowledge base of the structural engineer | | | | * beam design |
| aids in the calculation the values and | | | | * floor beam span |
| measurements of the construction materials, their | | | | * rafter design |
| placement within the structure, and the types of | | | | * header size and span |
| materials selected for the project. | | | | * floor joist load |
| Calculating Values | | | | * cantilever floor joist load |
| Calculating the necessary measurements and | | | | * residential I beam spansare useful for quickly |
| properties of construction materials for a | | | | calculating these values. |
| residential dwelling is a complex and | | | | Determining Building Materials |
| time-consuming process. | | | | Steel and solid sawn wood are the traditional |
| For example, when calculating the necessary size | | | | construction materials used in creating structures. |
| of I beams in residential buildings, you must | | | | Modern technology has resulted in the emergence |
| consider multiple factors: | | | | of new composite materials and combinations of |
| * maximum bending moment of the beam | | | | natural materials that improve the construction |
| * maximum deflection of the beam at the center | | | | process, cost, weight, strength, and stability of a |
| of the span | | | | structure. |
| * width, length, and depth of the beam | | | | Solid sawn wood, structural composites, tube |
| * moment of inertia | | | | steel, solid steel, glulams (glued- laminated |
| * constant psi rating for the material the beam is | | | | timbers), manufactured beams, and I joists are all |
| comprised of | | | | used in differing combinations during the |
| You must also consider the exterior dimensions of | | | | construction process. |
| the home, the span if the beams and floor joists | | | | Since each of these materials behaves differently |
| the dead and live loads for the structure, and the | | | | under the stress of a load, calculating the required |
| design style of the roof. If any interior walls will | | | | measurements and values for construction |
| support the weight of the roof, this will affect the | | | | becomes even more complex. The physics behind |
| necessary I beam size throughout the residential | | | | the effects of weight, wind, water, temperature, |
| dwelling. | | | | and snow directly affect the construction process. |
| Required calculations for determining the size of a | | | | Residential dwelling construction requires a broad |
| residential steel beam include the allowable bending | | | | knowledge base, prior construction experience, |
| stress for structural steel, the moment of inertia, | | | | and an understanding of the physics related to |
| and the section modulus of the required beam. | | | | the construction materials and the forces that |
| A structural engineer generally performs these | | | | affect them. |