01. Sistem Slab (Kuliah I)

SISTEM STRUKTUR PELAT LANTAI Iswandi Imran, PhD

Sistem Struktur Pelat • • • • • •

Sistem balok-pelat satu arah One-way joist system Two-way waffle system Flat plate (Pelat datar) Flat slab (dgn drop panels atau capitals) Sistem balok-pelat dua arah

1

Sistem Pelat Lantai Satu Arah

Sistem Pelat Joist (Berusuk)

2

One-Way Joist Floor System Rib (joist) slab : (Lentur satu arah)

Portal 2D gravity atau lateral Portal 2D lateral Floor joists

One-Way Joist Floor System Pelat rib (joist) dengan balok: (Lentur satu arah)

Portal lateral (space) Floor joists

3

One-Way Joist Floor System Typical Joist

Permukaan atas pelat 200-600mm untuk modul 750 mm 1:12 Slope, type

Lebar bervariasi 100-150 mm

• 600-900mm cc. – Joists

Sistem Lantai Waffle

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Two-Way Joist Floor System Waffle slab : (Lentur dua arah)

Portal 2D lateral Waffle pans

Sistem Flat-Plate

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Flat Plate Floor System Sistem portal kolom-pelat dalam menahan lentur dua arah

Plan

Elevation

Flat Plate w/Spandrel Beam System

Plan

Elevation

6

Sistem Flat-Slab

Flat Slab Floor System Flat plate dengan drop panels,shear capitals, atau kolom capitals

Plan

Elevation

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Sistem Pelat Lantai Dua Arah

Beams Floor System Lentur dua arah

Portal gravitasi dan penahan beban lateral

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Floor System Effective Cost

Beban Hidup, kg/m2

(PCA 2000)

500 Flat Plate

Flat Slab

One-way joist

250

7,5

9 10.5 Bay Spacing, m

15

9