🎬 โหมดทดลองใช้ฟรี — คำนวณ + ดู 3D ได้เต็มที่ · บันทึกงาน/ออก PDF ต้องสมัคร (ทดลองฟรี 7 วัน) สมัครทดลองฟรี
คานเหล็กเจาะรูวงกลม + อาคาร (จั่ว/ลาดเดี่ยว/แบน) • AISC 360-22 / DG31 (LRFD·ASD) หรือ EN 1993-1-1 / EN 1993-1-13 (Eurocode) • เครื่องมือออกแบบเบื้องต้น — ต้องผ่านการตรวจสอบโดยวิศวกร
Arraste para girar • role para dar zoom • botões de vista (Iso / Frente / Lateral / Topo / Ajustar) no canto superior esquerdo

Propriedades do perfil nos pontos-chave

Pressão básica do vento

Coeficiente líquido de vento (GCp net padrão)

SuperfícieCp net (descendente)Cp net (sucção)
Parede a barlavento+0.98+0.98
Parede a sotavento−0.68−0.68
Telhado a barlavento−0.88−1.08
Telhado a sotavento−0.58−0.68

Carga distribuída na barra (kgf/m ao longo do comprimento da barra)

Resultados do dimensionamento da viga alveolar

Verifica flexão global · cisalhamento líquido · Vierendeel · montante de alma (cisalhamento+flambagem) · flecha · pilar — insira os valores no painel esquerdo

Frequently Asked Questions

What is a cellular beam?

A steel beam with circular openings arranged along its web, which makes the beam deeper and stronger while using the same amount of steel, and lets services run through the openings. It is popular for wide-span beams and factory roofs.

Which standards is it designed to?

It is designed to AISC Design Guide 31 (LRFD) and SCI P355 (Eurocode), checking global bending, net shear, Vierendeel (local bending around the openings), and web-post buckling.

How does a cellular beam differ from a solid steel beam?

The openings make the beam about 40-60% deeper at the same steel weight, so it carries more moment and deflects less, but it requires local strength checks around the openings (Vierendeel and web-post) that a solid beam does not have.

Is this program free? Is there a 3D model?

You can calculate and view the cellular-beam building in 3D for free right away, no signup required. Saving projects and exporting PDF is available with a 7-day free trial signup.

Can the results be used for construction directly?

This is a preliminary design tool. The results must be reviewed and certified by a licensed engineer before actual use.

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