Лексические упражнения. Грамматические упражнения

Грамматические упражнения

Ответьте на вопросы к тексту.

Fire protection and sound insulation

Текст B

INTERNAL WALLS REQUIREMENTS

Depending on the function it will be expected to perform in the case of a fire, the internal wall may have to be of fireproof construction to separate the building into fire compartments and to protect the escape routes. Most building regulations include the following requirements:

• Adequate fire protection and additional strength for compartment walls and staircases, described as 'protected shafts'

• Walls along escape routes should have adequate fire-retarding capacity.

• Double-leaf partitions can often be made to provide fire protection for structural steel components, if the leaves are of proper fireproof materials. Thus, floor beams may be protected in this way, if their spacing is the same as that of the partitions, the beams being incorporated within the latter. No suspended ceiling is needed, the partitions being extended to the bottom side of the floor slab.

After fire protection, sound insulation is the most important function of the internal wall, especially in providing insulation against airborne sound transmission from room to room. The degree of insulation provided by a single-layer wall depends on its weight; in the case of a multi-layer wall it depends also on the thickness and nature of the material of the outer leaves, the nature of the insulating material sandwiched between, and on the manner in which they are inter-connected. There are no reliable methods of estimating the degree of airborne sound conduction achieved by a wall.

Notes:

building regulations строительные нормы и правила

escape route путь эвакуации

1. Why should internal walls be fire-resistant?

2. What requirements do most building regulations include?

3. What does the degree of sound insulation of an internal wall depend on?

Упражнение 1. Работа в парах.

Студент C: Задайте 6 вопросов различных типов к тексту B.

Студент D: Ответьте на вопросы к тексту студента C.

Студенты C и D: Поменяйтесь ролями.

Упражнение 2. Найдите в тексте причастие I и герундий. Определите их функции и переведите на русский язык.

Упражнение 1. Найдите перевод слов списка А в списке В.

Упражнение 2. Напишите предложения с каждым из перечисленных ниже слов:

circular circulation

rigid – rigidity

attach - attachment

Дата добавления: 2014-11-16