תוספי בטון קלים | סוכני הקצפה בעלי ביצועים גבוהים לבטון סלולרי
What is cast-in-place foam concrete?
Cast-in-place foamed concrete refers to a lightweight foam made by physically preparing an aqueous foaming agent solution, ולאחר מכן הוספת הקצף לשפשוף עשוי מלט, אגרגטים, תערובות, תערובות, ומים.
The application of cast-in-place foam concrete can be divided into two categories:
1. Cast-in-place foam concrete is mainly made of products. לְדוּגמָה: בלוק בטון קצף, foam concrete lightweight partition wall, foam concrete cultural stone, foam concrete garden application, וכו.
2. The cast-in-place foam concrete is mainly cast on-site.
לְדוּגמָה: backfilling (landfilling of garbage dumps, road and bridge applications, load-reducing filling of tunnel entrances, subway load-reducing filling, וכו'), foam concrete cast-in-place walls, וכו. Because foamed concrete has the characteristics of environmental protection, simple construction and operation, איכות יציבה, and can be poured on-site. The foamed concrete poured on site is called cast-in-place foamed concrete or cast-in-place foamed cement.
1) בידוד תרמי: The thermal conductivity is 0.06-0.28W/(M.K), וההתנגדות התרמית היא בערך 10-20 פעמים מבטון רגיל.
2) קַל מִשְׁקָל: The dry bulk density is 300-1600KG/M3, which is equivalent to about 1/5 אֶל 1/8 of ordinary cement concrete, מה שיכול להפחית את העומס הכולל של הבניין.
3) Integrity: On-site pouring construction is closely integrated with the main project, without boundary gaps and ventilation pipes.
4) Low elasticity and shock absorption: The porosity of cast-in-place foamed concrete makes it have a low elastic modulus, so that it has a good absorption and dispersion effect on impact loads.
5) בידוד קול: The cast-in-place foam concrete contains a large number of independent bubbles, and they are evenly distributed. The sound absorption capacity is 0.09-0.19%, שהוא 5 פעמים מבטון רגיל. It has an effective sound insulation function.
6) Compressive resistance: The compressive strength is 0.6-25.0MPA.
7) עמידות במים: The cast-in-place foam concrete has low water absorption, relatively independent closed bubbles and good integrity, which make it have a certain waterproof performance.
8) עֲמִידוּת: the same as the life of the main project.
9) Simple construction: only need to use cement foaming machine to realize automatic operation, can realize long-distance transportation with a vertical height of 200 מטרים, ועומס העבודה הוא 150-300M3/יום עבודה.
10) הגנת הסביבה: The raw materials required for foamed concrete are cement and foaming agent. The foaming agent is neutral and does not contain harmful substances such as benzene and formaldehyde, which avoids environmental pollution and fire-fighting hazards.
11) Economy: Low overall cost.
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