What kind of grid or pattern is the primary structural system arranged in the California Academy of Sciences, located in San Francisco, ca.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Question
What kind of grid or pattern is the primary structural system arranged in the California Academy of Sciences, located in San Francisco, ca.
**Transcription and Description: Structural Systems Span Chart**

The chart provides a comprehensive overview of various structural systems categorized by span range capabilities in both feet and meters. The systems are divided into two primary types: **One-way systems** and **Two-way systems**.

### One-way Systems
These systems span predominantly in one direction and include beams, folded plates, and trusses.

- **Beams:**
  - *Timber:* Planks, Joists, Laminated beams, Box beams
  - *Reinforced Concrete:* Slabs, Beams, Pan-joist, Precast planks, Precast channels, Precast tees
  - *Steel:* Decking, Wide-flanges, Plate girders

- **Folded Plates:**
  - *Timber:* Plywood
  - *Concrete:* Poured-in-place

- **Trusses:**
  - *Timber:* Trussed rafters, Open-web, Special design
  - *Steel:* Open-web, Special shapes

### Two-way Systems
These systems span in multiple directions and include arches, cables, flat plates, and shells.

- **Arches:**
  - *Timber:* Laminated
  - *Steel:* Built-up
  - *Concrete:* Formed concrete

- **Cables:**
  - *Steel:* Cable

- **Flat Plates:**
  - *Concrete:* Flat plate, Two-way beam-and-slab, Waffle slab
  - *Steel:* Space frame

- **Shells:**
  - *Concrete:* Dome
  - *Steel:* Ribbed dome

### Diagram Explanation

- **Horizontal Grid:** The span range is displayed as a horizontal grid at the top, with **Feet** ranging from 0 to 300 and **Meters** ranging from 0 to 80.
  
- **Vertical Categories:** On the left, structural systems are grouped vertically by material and construction type.

- **Shaded Areas:** Each system's shaded area horizontally indicates its potential maximum span range. Darker shading suggests greater usage or span effectiveness.

- **Arrows:** Some systems indicate potential for spans beyond the measured range with arrows pointing to the right.

This guide helps architects, engineers, and builders understand which structural systems are appropriate for various span requirements in construction projects.
Transcribed Image Text:**Transcription and Description: Structural Systems Span Chart** The chart provides a comprehensive overview of various structural systems categorized by span range capabilities in both feet and meters. The systems are divided into two primary types: **One-way systems** and **Two-way systems**. ### One-way Systems These systems span predominantly in one direction and include beams, folded plates, and trusses. - **Beams:** - *Timber:* Planks, Joists, Laminated beams, Box beams - *Reinforced Concrete:* Slabs, Beams, Pan-joist, Precast planks, Precast channels, Precast tees - *Steel:* Decking, Wide-flanges, Plate girders - **Folded Plates:** - *Timber:* Plywood - *Concrete:* Poured-in-place - **Trusses:** - *Timber:* Trussed rafters, Open-web, Special design - *Steel:* Open-web, Special shapes ### Two-way Systems These systems span in multiple directions and include arches, cables, flat plates, and shells. - **Arches:** - *Timber:* Laminated - *Steel:* Built-up - *Concrete:* Formed concrete - **Cables:** - *Steel:* Cable - **Flat Plates:** - *Concrete:* Flat plate, Two-way beam-and-slab, Waffle slab - *Steel:* Space frame - **Shells:** - *Concrete:* Dome - *Steel:* Ribbed dome ### Diagram Explanation - **Horizontal Grid:** The span range is displayed as a horizontal grid at the top, with **Feet** ranging from 0 to 300 and **Meters** ranging from 0 to 80. - **Vertical Categories:** On the left, structural systems are grouped vertically by material and construction type. - **Shaded Areas:** Each system's shaded area horizontally indicates its potential maximum span range. Darker shading suggests greater usage or span effectiveness. - **Arrows:** Some systems indicate potential for spans beyond the measured range with arrows pointing to the right. This guide helps architects, engineers, and builders understand which structural systems are appropriate for various span requirements in construction projects.
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