Concrete

1. Spiral Jetty was created by Robert Smithson in Great Salt Lake, Utah, 1970 from earthwork. 2. The Spiral Jetty is arranged into a spiral shape along the water of the Great Salt Lake. The emphasis of the earthwork draws the viewer into the center of the shape along the spiral, as this part is larger and more filled. The work is arranged in a unified pattern, especially as the textures and colors are all the same throughout the shape. The core of the spiral, as the largest part of the work, has…

2.9 Material Properties 2.9.1 Hardness Test Hardness is defined as a measure of a material’s resistance to contained plastic deformation (e.g., a small dent or scratch). Hardness testing comprises a small indenter being enforced into the surface of the material being confirmed under organized circumstances of load and rate of application. The depth or size of the resulting indentation is measured, which in turn is linked to a hardness number; weaker the material, indentation will be the…

Material selection The main purpose of outer material is to provide enough insulation. So minimum heat transfer coefficient is required for the outer material. Other selection criteria are: 1. Cost 2. Environment friendly 3. Availability Alternatives along with heat transfer coefficient are: • Wood : 0.19 w/m/k • Plastics: 0.29 w/m/k • Polystyrene foam: 0.04 w/m/k • Polyurethane foam: 0.03 w/m/k From the above alternative more suitable outer materials are Polystyrene foam and Polyurethane…

Much has been made recently of the DIY foam roofing options that can be incorporated in your homes. Insulation is important to help keep away too much heat and cold outside temperatures inside the house. The great advantage to using foam roofing is the ease of installation. Since it is relatively easy to do, many can attempt do it on their own. This is one of the reasons why it has become popular. Insulation is necessary to protect the roof from weather getting into the cracks of the wood…

Bridges are used around the world to get over a bay of water. There are several different designs that could be used when building bridges such as arc, beam , cable-stayed, truss and suspension bridges. The Golden Gate Bridge is a very well known example of a suspension bridge. It is located in San Francisco, California. Construction began in 1933, in the midst of the Great Depression, and the bridge gave steady jobs to many people during this hard time. It was finished and opened in 1937,…

Temple of Hatshepsut The Temple of Hatshepsut is made of limestone which positively affects this piece because most funerary temples were made of sandstone making it stand out. One of the great things about limestone is that it is a softer material making it easier to use and creates a natural color which fits right into the theme of Hatshepsut’s temple. As easy and cheap it was to use limestone, it is not stable enough to preserve its shape and color as long as other materials. This…

The poem starts out with an introduction to the speaker. The speaker in the beginning of Marilyn Nelson’s “Clay” is a third person observer. The author presents the speaker to us by naming Carver as a character in the poem and referring to Carver by his name, rather than forming the poem from his narrative view. Additionally, you can infer that the poem is narrated by a third person view because Marilyn Nelson’s speaker in “Clay” describes how the Earth’s features appear to Carver. The…

http://www.sunriseopals.com Buying Opal Jewellery Opals are intriguing and delightful stones; however it can mistake looking for them. What is the distinction in opal jewellery between stone, doublets, and triplets? Is the smooth light stone more profitable then the dim green? What hues would it be advisable for me to search for? Here are a couple tips while picking opal: • Australian opal is by and large the best and where the greater part of the universes opal supply originates from. This is…

Carports are like the garage spaces you have in your houses. It functions the same way in giving protection to your cars. The only difference is that carports are not fixated. Instead, it is a portable and retractable device you can bring with you in your outdoor trips. The best carports for this generation are the ones made of metal, usually of aluminum or steel. There are also that has core panels made of insulated polystyrene foam. This is also wrapped with steel or aluminum. Most metal…

Visual Observation Dry Texture Test Wet Texture/ Rolling Test Smear Test Nutrients Quickness of drying Sand Particles visible with eye. The heaviest. Feels gritty and falls apart Crumbles No smear Few nutrients Dries quickly Does not hold water well Silt Just enough big to see them with a magnifying glass. Not as heavy as sand but heavier than clay Holds together, feels smooth and powdery Holds together, moderate crumbling, cannot be rolled in a strand Some smear More nutrients than sand Takes a…