Студопедия
Случайная страница | ТОМ-1 | ТОМ-2 | ТОМ-3
АвтомобилиАстрономияБиологияГеографияДом и садДругие языкиДругоеИнформатика
ИсторияКультураЛитератураЛогикаМатематикаМедицинаМеталлургияМеханика
ОбразованиеОхрана трудаПедагогикаПолитикаПравоПсихологияРелигияРиторика
СоциологияСпортСтроительствоТехнологияТуризмФизикаФилософияФинансы
ХимияЧерчениеЭкологияЭкономикаЭлектроника

Assess your progress in this unit. Say which statements are true.

Читайте также:
  1. A Graphical User Interface (GUI) makes computers easier to use. A GUI uses icons. Icons are pictures which represent programs, folders, and files.
  2. A student visited a dermatovenerologist complaining of erosion on penis which had appeared some days before. Examination of the patient determined painless ulcer of
  3. A) Historical facts and events which were not known to the Prophet (pbuh) or his contemporaries e.g. about Zulqarnain, city of Ihram etc.
  4. A) Work in groups of three. Make a list of at least five chemical products which are manufactured on a large scale.
  5. A). Look at the calendar which shows his arrangements for the next few months and then make up sentences, as in the example.
  6. A. Prepare a talk, giving your own views on any one of these topics which you feel strongly about. Find some facts to support your idea.
  7. Agree or disagree with the statements using the following

1) I can

2) I can

3) My listening and reading are good enough to understand most of each text in this unit.

4) I can use key words to discuss with my classmates.

track путь

permanent way верхнее строение пути

rail рельс

sleeper (UK)/tie (US) шпала

ballast (layer) балласт(ный слой)

fasteners = fastening скрепления

rail anchor противоугон

turnout стрелочный перевод

bridge timber мостовые брусья

crossing sleeper переводные брусья

strong прочный

stable устойчивый

provide обеспечивать

safety безопасность

smooth плавный

running ход

passing train проходящий поезд

fishplate стыковая накладка

length длина rail length рельсовое звкно

depends on зависеть от

traffic density грузонапряженность

axle load нагрузка на ось

bolt соединять, стягивать болтами

cross-section поперечное сечение

grade классифицировать

weight вес

produce производить

branch line ж.д.ветка

siding подъездной путь; запасный путь

yard сортировочная станция

guide направлять

wheel колесо

rolling stock подвижной состав

be subject to подвергаться

stress давление, нагрузка

durable долговечный

reliable надежный

support выдерживать, нести

alloy сплав

continuous welded rail бесстыковой рельс

 

The basic kinds of fixed bridges are beam, arch, and suspension. Movable bridges are bascule, swing span, vertical lift, floating, and transporter.

__________________________________________________________

 

 

A beam bridge, with forces of tension represented by red lines and forces of compression by green lines.

 

 

A suspension bridge, with forces of tension represented by red lines and forces of compression by green lines.

 

 

An arch bridge, with forces of compression represented by the green line.

 

 

A single-span truss bridge, with forces of tension represented by red lines and forces of compression by green lines.

 

A cantilever bridge, with forces of tension represented by red lines and forces of compression by green lines.

 

Дата добавления: 2015-10-30; просмотров: 162 | Нарушение авторских прав

<== предыдущая страница | следующая страница ==>
Give Russian terms of the elements of a turnout.| Переведено для группы: https://vk.com/stagedive
mybiblioteka.su - 2015-2024 год. (0.006 сек.)