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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, و سپس فوم را به دوغاب ساخته شده از سیمان اضافه کنید, سنگدانه ها, مواد افزودنی, مواد افزودنی, و آب.
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. به عنوان مثال: foam concrete block, foam concrete lightweight partition wall, foam concrete cultural stone, foam concrete garden application, و غیره.
2. The cast-in-place foam concrete is mainly cast on-site.
به عنوان مثال: backfilling (landfilling of garbage dumps, road and bridge applications, load-reducing filling of tunnel entrances, subway load-reducing filling, و غیره), foam concrete cast-in-place walls, و غیره. Because foamed concrete has the characteristics of environmental protection, simple construction and operation, stable quality, 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) عایق حرارتی: The thermal conductivity is 0.06-0.28W/(M.K), و مقاومت حرارتی در حدود است 10-20 برابر بتن معمولی.
2) سبک وزن: The dry bulk density is 300-1600KG/M3, که معادل در حدود 1/5 به 1/8 of ordinary cement concrete, که می تواند بار کلی ساختمان را کاهش دهد.
3) صداقت: 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) عایق صدا: The cast-in-place foam concrete contains a large number of independent bubbles, و به طور مساوی توزیع می شوند. ظرفیت جذب صدا است 0.09-0.19%, که هست 5 برابر بتن معمولی. It has an effective sound insulation function.
6) مقاومت فشاری: The compressive strength is 0.6-25.0MPA.
7) مقاومت در برابر آب: The cast-in-place foam concrete has low water absorption, حباب های بسته نسبتا مستقل و یکپارچگی خوب, which make it have a certain waterproof performance.
8) ماندگاری: مانند عمر پروژه اصلی.
9) ساخت و ساز ساده: only need to use cement foaming machine to realize automatic operation, can realize long-distance transportation with a vertical height of 200 متر, and the workload is 150-300M3/working day.
10) حفاظت از محیط زیست: 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) اقتصاد: Low overall cost.
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