Site Visit

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Week 7 Site Visit During this studio we got to go and visit construction sites. This was a really interesting experience as we were able to apply our knowledge that we have gained over the pervious 6 weeks to a real life example. The first site we visited was in the process of excavating down to be able to build the basement levels and foundations for the proposed apartment building. To be able to continue excavating down the construction teams had to build retaining walls the prevented the sides of the hole from collapsing. This was done by getting a 14m drill to drill down into the ground at the sides of the site before digging commenced, in situ concrete was then poured down these holes to create columns that would help support the construction of walls as the excavating took place. The builder who took us on the tour explained that they could only dig down 1.5m at a time before they were required to shock-crete the walls, (this was a material we learnt about in the eLearning on concrete) which is applied through a pipe pumping out concrete which is then smoothed onto the walls manually. These walls were also reinforced with wire mesh spanning between the columns, which enabled the shock-crete to stick to the walls and not collapse whilst drying.

The Machinery used to excavate the site


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