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ideCAD Structural 7

STB & Reinforcement
Structural analysis and reinforced concrete design

Structural slabs
The calculation of reinforced-concrete slabs comprises throughed suspended floors, ribbed floors and coffered ceilings, point-formed supported ceilings and flat ceilings. Calculation results are displayed in the automatically generated reinforcement windows. The diameter of and distance between reinforcement rods are determined automatically. While reinforcement is being determined, processes relating to the bending moment line can be analyzed and used to optimize the reinforcement proposal. Subsequent dimensional changes specific to the reinforcement proposal can be easily made. Changes such as number, diameter, spacing etc. can be made manually.

Continuous beams
Section sizes for all load case combinations can be determined. Transverse and flexural reinforcement is calculated. The calculation is carried out according to the minimum requirements laid down by DIN 1045, DIN 1045-1 or EC2. User-defined entries for the reinforcement proposal to be made such as rod diameter or concrete covering can be carried out manually. The reinforcement proposal can be modified, optimized and printed out as a reinforcement design sketch if required. The cross-section assessment is carried out for stresses relating to shear force, torsion and bending.
The calculation and assessment of suspender beams, bearers, ribs and crosswise bearers in a system are carried out according to the same technique. Rod diameter, number of reinforcements and anchoring length are taken into consideration during the automatic generation of reinforcement plans.

Assessing reinforced-concrete columnss for double-axis bending with axial force. The section sizes are determined from the results of the analysis of the load case combinations. In the case of reinforced-concrete columns with a rectangular, round and polygonal cross-section, four reinforcement configuration possibilities are available in the cross-section. The buckling lengths are taken into consideration during the calculation and assessment of the cross-sections. Proof of safety can be illustrated for all load case combinations using diagrams in graphical form. Diameter, number, reinforcement design and configuration and anchoring lengths are taken into consideration during the generation of the reinforcement proposal and plans. The results of different cross-sections can be printed out for all load case combinations selected for assessment.

Strip, single and slab foundations
As with elastically bedded beams and slab foundations, strip foundations are calculated in the same way as elastically bedded slabs, with or without strips.
Single foundations are also calculated. The cross-sections for single and strip foundations can be in the form of a rectangle or trapeze. Foundations are calculated taking the bearing influences of the supports into consideration and section sizes determined. Subgrade reactions that occur under the foundations are set using the most unfavorable loads as accepted. Earthquakes, horizontal areas of impact, wind and subgrade reactions are taken into consideration when calculating foundations. The diameter and number of reinforcement rods are given automatically during the generation of the reinforcement proposal and plans.
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