Describe the construction process of the diaphragm walls in steps.

Technology Studies

Assessment Brief

One written coursework paper (100%) The course work consists of two parts: reflection on learning of the module and research on sustainability in the built environment. In Part I, you must answer three out of the five questions. Each question counts for 10 marks. The recommended word count for Part I is 500 – 1,000 words. For Part II, you need to write an essay that investigates recent development of sustainable building materials. The recommended word count for Part II is 2,000 – 2,500 words. Part I: Questions 1. Excavation Describe the construction process of the diaphragm walls in steps. In what conditions should this be considered as an option for underground construction? Compare the advantages and disadvantages of the use of diaphragm walls. 2. Foundation What is the difference between end-bearing piles and friction piles and when to used them? Please describe the construction process of both piles in steps. 3. Truss Find all the zero-force members in the following truss and explain the steps. Name the members in the format: ab, bc, cd, etc. 4. Concrete What are the reasons for introducing the prestressed concrete? Why can it improve the performance of concrete? 5. Scheduling A building has 61 floors. Each floor requires five trade jobs. The work dependency is given in the following diagram. Productivity rates of the jobs are given in the table. Draw the Line of Balance chart at month 16. Activity A B C D E Production rate (floors/month) 3 5 5 3 1 Number of crews 9 30 10 9 2 Part II: Essay Identify recent development of one sustainable building material based on a literature review. Explain the features and the use of these materials. Here is the suggested structure of the essay: 1. Introduction a. A general introduction to the material and how it is used in the construction industry b. Outline the importance of sustainable practice involving the material selected 2. The traditional approach 3. The features and current application 4. Conclusions and future prospects