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There are 3 types of reinforcement in a detailing of opening: - Edge rebar - Open stirrup - Diagonal rebar The top edge rebar supposed to work as a lintel beam reinforcement while the other edge rebars are the replacement for the cut out main rebars. The open stirrups are the constructive reinforcement as to keep the reinforcement as a loop in concrete. The requirement of this reinforcement can be calculated according to the standard. The last reinforcement is the diagonal rebars. I found out many styles of placing this reinforcement but there isn't any calculation. The main purpose of this rebar should be to prevent the crack at the corner but how do we calculate this reinforcement? Is there any equation for these calculations? Does it have any role in the load transferring in the wall or slab? #structural #detailing #opening

The Reinforcement Pattern Manager in PRE-Stress is a great tool for defining and managing reinforcement in prestressed concrete elements. 👍 You’ll enhance the precision of your designs by optimising both prestressing wires/strands & rebar/reinforcement. Key features: ✅ Set precise main bar diameters and adjust cover, bar distances, and more. ✅ Choose between Strand Pattern Manager for loading standard patterns or manually adding detailed layers. ✅ Define shear reinforcement automatically or manually, ensuring complete stirrup coverage for optimal shear capacity. See more here and start with a free trial: ➡️ https://lnkd.in/dAbPh59D #StruSoft #PREStress #structuralengineering #structuralanalysis

📐 about column (casting height) We include information about the column casting height on the layout plan to assist : ☆ in calculating the volume of concrete, ☆ planning concrete work, ☆ fabricating formwork, and ☆ avoiding any unnecessary concrete hacking if the casting height exceeds the lowest beam/slab soffit. #engineerlife #structural #concrete #columns

Reinforcement detailing of a slab.

Geometry and steel reinforcement configuration for reinforced concrete specimens with (A) and without (B) “secondary” beams For more 👇👇👇 https://lnkd.in/g8bZhwNy

When we analyze any beam the point of maximum bending moment and the point of maximum shear force is very important to locate.In addition to that one more point that is known as "point of contra - flexure". It is also equally important for the purpose of design. If the bending moment changes sign at a point and the point itself has zero bending moment, then this point is said to be the point of contra - flexure. In other words, this is the point where the beam tends to bend in the opposite direction. knowing the place of the contra - flexure is especially useful when, 1.designing reinforcement 2.structural steel beams 3.designing bridge.

Well said! The inherent stability of triangles truly makes them the backbone of many structural systems. It's fascinating how such a simple geometric shape can achieve such efficient load distribution, which is why trusses play such a critical role in construction. From bridges to roofs, the ability of triangles to resist deformation under load is unmatched. Great insights into the structural advantages of triangles!

9.3.1.1.2 For nonprestressed beams made of lightweight concrete having we in the range of 1440 to 1840 kg/m³, the expressions in Table 9.3.1.1 shall be multiplied by the greater of (a) and (b): (a) 1.65 -0.0003w (b) 1.09 #ACI_CODE #STRUCTURAL_DESIGN #BEAMS

Here is an illustration showing a cross-sectional view of a concrete beam with flexural cracks forming due to bending stresses. The cracks appear on the tension side (bottom) of the beam, which is typical in flexural failure.

TRIANGLES Triangles are highly effective in load transfer due to their unique geometric properties. This geometric property makes it exceptionally resistant to forces that attempt to alter its shape. When a load is applied to a triangle, the force is distributed evenly along its sides. The two sides of the triangle experience compression, while the base experiences tension. This efficient distribution of forces helps maintain the structural integrity. Trusses, which are assemblies of triangular units, are a common application of the triangle’s strength in building construction. They are also used in bridges, roofs, and other structures where a strong & proper load transfer needs to be happened. The triangular configuration of trusses efficiently distributes weight and can support heavy loads without bending, it shows its uniqueness. #civilstructuraldesign #steeldesign #concretedesign #triangles #loadtransfer #basics