Concrete

On November 7th, 1940, the Tacoma Bridge collapsed into the Tacoma Narrows straight in Washington State. The bridge connected the town of Tacoma and the Kitsap Peninsula, and was one of the first major suspension bridges in the western United States. Unlike other suspension bridges constructed around this time, the Tacoma Bridge failed to withstand wind speeds over 40 miles per hour, due to unequal stress on parts of the bridge. The construction of a suspension bridge must include geometric…

All metal manufacturing includes a solidification process. The metal is either atomised to a powder, or it is cast. There is several casting methods used today. Many of the methods use the mould only once, for example sand mould casting, the lost-wax method and precision casting. For larger quantities of liquid metal, there are basically two methods: ingot casting and continuous casting. Ingot casting normally uses a permanent mould made by cast iron isolated by ceramic material. There are…

III. RESULTS AND DISCUSSION A. Influence of specific gravity to water to binder ratio of M-S-H binder In development of M-S-H binder with magnesium oxide and silica fume, it is noted that silica fume has rather low specific gravity (S.G) and bulk density compared to Portland cement (PC). Thus, use of high silica fume content in the binder consequently results in a binder system of low specific gravity and bulk density, compared to PC. The light weight binder leads to a difference in water to…

Metal roofing is one of the most sought after materials for new roofs. There are a number of benefits that make metal roofing appealing to both homeowners and roofing contractors alike. When comparing metal roofing to shingle roofing you will find that the cost is almost double however the longevity of the roofing material more than doubles. We will look deeper into metal roofing advantages and disadvantages throughout this articles. As stated above metal shingling is known for its durability…

Introducing marble tile is much similar to introducing any clay tile. Be that as it may, since marble is a characteristic stone, there are a few difficulties on account of the common variety in the stone. I invested a lot of energy as a youth going to my close relative who lived north of Atlanta in the marble mining region of Georgia. Marble was all over the place. The region courthouse was all marble. Indeed, even my close relative's outdoor table was a marble piece. Part of the exquisite…

The Little Kids Robert and Bessie’s little kids, Teck and Vern, enrolled at the same college where they each followed the required curriculum to obtain teaching degrees.00 Normally, they helped finance their education by working at summer jobs in Portland, Oregon, while staying with their Aunt Audrey and her family.00 Nevertheless, one time they broke tradition by seeking and obtaining employment in the breathtakingly beautiful Glacier National Park. Prior to their summer break, Vern, Teck,…

The goal of the egg drop project was to successfully create a structure that would protect an egg from a drop of three stories high. The problem resulted as an eggshell would not be strong to protect itself from a fall at this height. In this project we created a structure from common household materials, that will protect an egg from a drop at three stories high. Together, we worked hard to create a structure that is both lightweight, durable, and hopefully indestructible. To create…

network diagram and Gantt chart is a helpful quality method to show current and future actions, audits, periodical reports, milestones, the update of planning and change control management. 2 Task 2: Concrete Masonry Corporation Kevin Lewis has been assigned as the project manager of the Concrete Masonry Corporation. In Task 2 a report will be prepared in order to analyse the project management process including risks, leadership, administration and control problems associated with…

It is vital to understand the difference between cohesive and non-cohesive subsoils as described in the assignment scenario. Non-Cohesive Non-cohesive subsoils are sandy in nature and they present less of a problem for building on. They are composed mainly of sand and gravel, and they are closely compacted together which means that they are not affected by water. Therefore, their load bearing capacity does not change with the various seasons, summer or winter, drought or flood, it makes no…

Bending Strength requirement This is the first body requirement and its task is to support all the vehicle subsystems. The body in static is going to suffer bending due to the weight of the components, passengers, fuel and cargo, Figure 42. Similar to a beam simple supported, the very first requirement is that the structure bend sufficient to absorb the energy due to the weight, but has to withstand the weight under different loading scenarios. Figure 42: Body loading under a static scenario…