zielsicher Englisch, Bautechnik, Schulbuch

Name the main components concrete consists of: 1. cement 2. aggregate (coarse aggregate, fine aggregate, admixtures) 3. water Describe the advantages of concrete and reinforced concrete. 1. It has great flexibility and workability. 2. It has characteristics similar to stone. 3. It can bear heavy loads. 4. Building parts can be connected. Complete the following text. The manufacture of cement Big size  limestone blocks  are transported from the quarry to the cement factory.  Crushers  reduce the limestone to the size of ping pong balls. Huge trucks transport the rocks from the  quarry  to the cement factory. The rocks become  rawmeal in a  grinding machine  . This powder goes into a preheater. It moves on to a  cylindrical furnace  and becomes  clinker  , which is finally ground down and at the same time  admixtures  are added. Now the cement is ready to use. Note three marketing slogans to promote concrete. 1. Individual answers e. g.: Concrete – makes you feel at home! 2. Feel the strength! 3. Makes your home a special place! 12 A2 13 A2 14 A2 15 A2–B1 What I can now do: ●● I can name the components of concrete.  ➤ 12 Ich kann die Bestandteile von Beton nennen. ●● I can describe the advantages of concrete.  ➤ 13 Ich kann die Vorteile von Beton beschreiben. ●● I can explain the manufacturing process of cement.  ➤ 14 Ich kann die Erzeugung von Zement erklären. ●● I can promote concrete use.  ➤ 15 Ich kann Beton bewerben. 26 Concrete Check yourself 115 Nur zu Prüfzwecken – Eigentum des Verlags öbv