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Vocabulary

………………………………………………………………………………………

to select - таңдау жасау - выбирать

effective - тиімді - действенный

to vary - айырып тану - различаться

uniform - біртекті - однородный

to modify - түрлену - изменять

fundamental - негізгі - главный

requisite - қажет - необходимый

selection – таңдау - выбор

accurate - нақты - точный

Variations - өзгерістер - изменения

specific -арнайы - особый

Lesson 11

Part II

II Read the text again and find out if the following statements are true or false:

1. There is no improvement in Portland cement quality.

2. The most important building materials may now be considered to be structural steel and concrete.

3. Lime, gypsum and cement are the three materials most widely used for making concrete.

4. Cement is the most important component of bricks.

III Complete the sentences with the infinitive forms given bellow:

1. Under certain conditions, concrete is exposed … by chemicals. 2. The most important building materials may now be considered … . 3. Walls and piers may … with stone. 4. Enough water should be used … a placeable mix. 5. It is very essential for a building engineer … physical and mechanical properties of the building materials. 6. We know the building materials may … in several groups. 7. … undergo mechanical treatment is a specific characteristic of some materials. 8. No masonry material is known … which is permanent when subjected to sea water.

a) to be structural and concrete; b) to be attacked; c) to produce; d) to be faced; e) to be placed; f) to know; g) to have been developed; h) to be able to.

IV What passages do the following titles belong to ?

1. Technology of concrete production.

2. Composition of cement .

3. Materials for binding masonry units.

4. The properties of major building materials.

5. The properties of Portland cement.

V Find verbs to the following nouns:

selection, designer, considerable, addition, elaboration, development, appearance, desirable, mixture, resistant, application, production, suitable, measuring, construction, representative.

VI Match the translations of the terms:

high rate of strength 1 ерітінді 1 раствор

resistance to 2 гипс 2 гипс

high – alumina cement 3 толтырғыш 3 заполнитель

crushed stone 4 ылғалдылық құрамы 4 содержание влаги

mortar 5 қысымды күштеу 5 нагрузка на сжатие

aggregate 6 құрымында саз балшығы 6 цемент с высоким

жоғары цемент содержанием глинозема fine aggregate 7 высокая прочность

workability 7 жоғары беріктік 8 щебень

compressive load 8 ұсақталған тас 9 прочность на

lime 9 беріктік 10 обрабатываемость

gypsum 10 өңделгіштік 11 мелкий заполнитель

moisture content 12 каменная кладка

masonry 11 майда толтырғыш 13 известь

12 тасты қалау

13 әк

Lesson 12

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