Бетон — история, структура, свойства и применение

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Portland + SCMsBinder

A1; cover saves rebarFire

Clinker-intensiveCO₂

RC frameIcon

~1.4 W/m·Kλ

ceramicsFamily

Бетон is one of 32 materials in this atlas, grouped under ceramics: history, structure, measured properties, process routes, uses, safety and market — not a product catalogue.

Scores compare Бетон with the rest of the atlas on strength, heat, fire behaviour, insulation, workability and circularity. They are editorial, not certificates.

Seven chapters follow. Fire and insulation claims name test families (Euroclass, ASTM E84, ISO 5660, KS F) rather than inventing a single safety number.

Глубокое введение

Deep dive: Бетон

Бетон (C-S-H binder + aggregate) is a family of grades whose density ~2400 kg/m³, heat band does not melt; dehydrates and spalls, and fire letter A1.

What “the material” actually is

Бетон is sold as grades, not as a single substance. Chemistry C-S-H binder + aggregate, density ~2400 kg/m³, heat band does not melt; dehydrates and spalls.

This atlas treats Бетон as a system: mill route, coatings, tests and the cavity it sits in.

Heat, fire and insulation

Conductivity note: ~1.4 W/m·K. Insulation score 22/100 is relative to 32 entries — metals lose, VIPs and aerogels win.

Fire letter in editorial use: A1. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.

How it is made and used

Origin: Roman pozzolana; Aspdin 1824; Hennebique RC, Rome → Leeds → Paris. The process chapter follows feedstock → conversion → forming → finish → install.

Uses span buildings to defence / safety. Pairings matter: steel.

Market and circularity

Producers below are landmarks, not an endorsement ranking. Prices are bands, not live quotes.

Circularity mark 30/100. Ask which scrap, which certificate, which year.

Профиль

Прочность 70

Жаростойкость 68

Пожарные свойства 90

Теплоизоляция 22

Обрабатываемость 60

Цикличность 30

Частые вопросы

Is Бетон non-combustible?

Declared reaction class in this atlas: A1. Assemblies still need resistance tests.

Does Бетон insulate?

Thermal mark 22/100 versus the atlas. Conductivity note: ~1.4 W/m·K.

What is the density band?

~2400 kg/m³

How is it made?

Origin story: Roman pozzolana; Aspdin 1824; Hennebique RC (Rome → Leeds → Paris).

Can it be recycled?

Circularity mark 30/100 — editorial, route-specific.

Typical melting or failure heat?

does not melt; dehydrates and spalls

What should it be paired with?

steel: The tensile partner (rebar).

Where is it specified?

Buildings, transport, energy and consumer goods — see the uses chapter.

Иконы

Pantheon dome

Italy · 126 CE

Pantheon dome is a reference point in the public image of Бетон.

Ingalls Building

United States · 1903

Ingalls Building is a reference point in the public image of Бетон.

Hoover Dam

United States · 1936

Hoover Dam is a reference point in the public image of Бетон.

Burj Khalifa mix

UAE · 2010

Burj Khalifa mix is a reference point in the public image of Бетон.

Hennebique frame

France · 1890s

Hennebique frame is a reference point in the public image of Бетон.

Brutalist béton

Global · 1950s–

Brutalist béton is a reference point in the public image of Бетон.

Shotcrete tunnel

Global · 20th c.–

Shotcrete tunnel is a reference point in the public image of Бетон.

Roman marine

Italy · antiquity

Roman marine is a reference point in the public image of Бетон.

Включайте и выключайте иконы — каждый столбец масштабируется к лидеру выбора.

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Дуэли

Та же семья, другие оценки — выберите дуэль.

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