CTC-275 Construction Methods Intro

Many different ways to build same building How many ways can you build a ham and cheese sandwich? Types of ham, bread, cheese, toppings

Construction methods change when –Materials change Why thatch roofs? Why teepees and long houses? How important where nails to building Price Impacts –Equipment changes Horses to steam engines to today Erie Canal was dug with shovels and rock sleds Steam engines were stationary with belts going from pulleys to the engine

Construction methods change when –Power Changes Man -> Horse -> Steam -> {Electricity, Hydraulics, Pneumatics} –Energy Availability Why did electric heat go out in the 1970’s Why did insulation become big in the 1970’s How does energy effect building? LEED

House Construction What materials can be used to build a house and what equipment is required –Wood – hammers, saws, drills, squares Can also use engineered wood What has happened to lumber in last 100 years? –Concrete – either cast in place, precast, or shotcrete Can be above ground or below –Steel –Stone –Brick –Adobe – only need forms –Haybales

House Construction Wooden houses can be constructed using three methods –1. Balloon Framing –2. Platform Frame –3. Modular – assembly line –(can do Concrete the same way)

House Construction What has happened to houses in the last 30 years? –What is the trend in housing and construction –Lexus Ad - quiet –Subaru Ad – 0 waste

Questions What made skyscrapers possible? How old is concrete and who first used it How old are nails? What happened to make nails the preferred fastener