8.A Поставь к каждому предложению раз­делительный вопрос:

1. Concrete is a composite building material comprised of aggregate and a binder.

• Is concrete a composite building material comprised of aggregate and a binder?

• Yes, it is. / No, it isn’t.

Concrete is a composite building material comprised of aggregate and a binder, isn’t it?

2. The wire bends easily.

• Does the wire bend easily?

• Yes, it does. / No, it doesn’t.

3. Compared with other wall materials, cinder bricks have excellent properties and a low price.

• Compared with other wall materials, have cinder bricks excellent properties and a low price?

• Yes, they have. / No, they haven’t.

4. His success was entirely due to hard work.

• Was his success entirely due to hard work?

• Yes, it was. / No, it wasn’t.

5. He wrote to me concerning our construction business.

• Did he write to me concerning our construction business?

• Yes, he did. / No, he didn’t.

6. You can forme clay bricks in a moulding.

• Can you forme clay bricks in a moulding?

• Yes, you can. / No, you can’t.

7. In some localities water will be available in unlimited quantities.

• Will in some localities water be available in unlimited quantities?

—Yes, it will be. / No, it won’t be.

8.B Поставь к следующим предложе­ниям вопросы:

общие:

1. They got the lumber to build a house. 2. Apart from civil engineering, my interest is mathematics. 3. The joints are filled with mortar made of cement and sand.

специальные:

4. The construction of the cottage lasted two years. 5. Low-cost bricks include cinder block made mostly with concrete. 6. The maximum size of the aggregate should not greater than one quarter of the minimum thickness of the finished concrete.

разделительные:

7. They strengthened the wall with metal supports. 8. Reinforced concrete was used in these structural elements. 9. The system for housing provision relied on the centralized production of building materials.

8.C Составь письменно разделительные воп­росы к следующим предложениям:

1. The soil was removed down to the natural clay. 2. The information is being processed by the computer. 3. A new internal wall surface is created using a very strong, very versatile, high density polyethylene. 4. While the steel frame is being erected, the wall planks are fixed. 5. Wood can be flexible under loading, keeping strength while bending. 6. A molten substance, such as metal, or a plastic substance is poured or forced into a mould and allowed to harden. 7. The maximum size of the aggregate should not greater than one quarter of the minimum thickness of the finished concrete. 8. The purpose of reinforcing is to provide a material with a high tensile strength. 9. Many new building materials are environmental hazards, which have become a big concern to all.

MODULE 9

BUILDING SCIENCE

9.1 Найди определения к данным понятиям: tensile, failure, compressive strength, tension, shear stress, yield strength, tensile stress, compressive failure, fatigue strength, impact strength, brittle failure.

1. the condition of being stretched

2. the ability of a material to resist shock loading

3. the resistance of a material to a force tending to tear it apart

4. the ability of a metal to tolerate gradual progressive force without permanent deformation

5. collapse caused by compression

6. the form of stress in a material that tends to produce cutting rather than stretching or bending

7. the strength of a substance under tension

8. a complete fracture of the specimen in a direction perpendicular to the direction of loading

9. the maximum stress a material can endure for a given number of cycles without failure

10. the ability of a material to resist forces attempting to crush it