تکمیل سطح پیشرفته: افزودنی هایی مانند عوامل حباب کننده هوا می توانند با جلوگیری از عیوب مانند ترک خوردن، ظاهر و پوشش بتن را بهبود بخشند., لانه زنبوری, یا گرد و غبار سطحی, اطمینان از صاف, سطح حرفه ای.

Specification of Silica Fume Concrete Admixture for High Strength Concrete in Precast Industry

Requirements of Silica Fume Concrete Admixture for High Stamina Concrete in Precast Market

خلاصه مورد

Silica fume concrete admixture is a high-performance additive made use of to create solid, sturdy precast concrete aspects. It contains extremely fine bits of amorphous silica, accumulated as a result from silicon or ferrosilicon alloy manufacturing. هنگامی که به بتن کمک می کند, it fills up little voids between concrete particles, making the mix denser and stronger.

امکانات کلیدی

This admixture substantially enhances compressive stamina, frequently aiding concrete reach strengths over 10,000 psi. It also lowers leaks in the structure, which slows down water and chloride ion activity. That suggests better security for embedded steel support against deterioration. The end product shows boosted resistance to abrasion, sulfate attack, و قرار گرفتن در معرض مستقیم مواد شیمیایی– important for precast systems made use of in harsh environments.

Technical Needs

The silica fume have to meet ASTM C1240 standards. Normal requirements consist of:
– دی اکسید سیلیکون (SiO TWO) محتوای وب: حداقل 85%.
– از دست دادن در احتراق: not greater than 6%.
– محتوای رطوبت: در زیر فهرست شده است 3%.
– Specific surface area: 15,000– 30,000 متر دو / کیلوگرم (با رویکرد شرط بندی سنجیده می شود).

Dose rates generally vary from 5% به 10% وزن محصولات سیمانی. Exact quantities depend on the preferred toughness, کارایی, and healing problems.

استانداردهای استفاده

Always include silica fume throughout batching, preferably with various other completely dry active ingredients before water. Because it increases water demand, utilize it together with a high-range water reducer (فوق روان کننده) to maintain workability. حداقل 3 تا کاملا مخلوط کنید– 5 mins besides products are added. Proper treating is necessary– maintain surface areas moist for a minimum of 7 days to ensure full strength development and minimize fracturing.

دود سیلیس را در جای خشک نگهداری کنید, مکان محافظت شده. Maintain bags secured till use to stop wetness absorption. Take care of with treatment making use of common dirt control procedures to shield workers’ wellness.

Applications of Silica Fume Concrete Admixture for High Strength Concrete in Precast Industry

Applications of Silica Fume Concrete Admixture in High-Strength Precast Concrete

Why Silica Fume Matters for Precast Aspects

Silica fume is a really great powder included in concrete mixes. It fills up little spaces between concrete fragments. This makes the concrete much denser and stronger. In the precast market, strength and toughness are critical. Silica fume helps fulfill these requirements.

Precast concrete items like beams, ستون ها, پانل های دیواری, and bridge sections need to lug heavy tons. They additionally deal with severe weather condition and chemical exposure. Adding silica fume enhances compressive strength– commonly beyond 10,000 psi. That degree of toughness enables thinner sections and lighter systems without shedding performance.

Much Better Complete and Surface Quality

Silica fume decreases surface area pores. این باعث صاف شدن می شود, a lot more uniform coating. For architectural precast aspects, look matters equally as much as toughness. A thick surface additionally stands up to stains and water infiltration. That indicates fewer repairs and longer life span.

Faster Production Cycles

Precast plants work on limited routines. Silica fume quicken early stamina gain when used with proper healing. انواع را می توان زودتر حذف کرد. Mold and mildews get recycled quicker. This enhances output without extra price.

Long-Term Longevity

Chlorides, سولفات ها, and freeze-thaw cycles damages normal concrete in time. Silica fume blocks the courses these dangerous agents make use of to enter the concrete. The result is much better resistance to deterioration of steel support and much less fracturing. Frameworks last much longer, even in aggressive atmospheres like marine or commercial zones.

Silica fume is not simply an additive– it’s an efficiency multiplier. It turns standard mixes into high-performance options tailored for contemporary precast needs. From framework to industrial structures, its role keeps growing since it delivers real, quantifiable advantages on the plant floor and in the area.

مشخصات شرکت

ما پیشرو جهانی در بتن سبک و فوم های مهندسی پیشرفته هستیم. در سطح جهانی به دلیل تعهد خود به تحقیق شناخته شده است, نوآوری, و تخصص کاربردی, ما از اوایل سال 2012 راه حل های فوم مهندسی شده را ارائه کرده ایم.

ما می توانیم مواد افزودنی بتن با کیفیت بالا و محصولات مرتبط با بتن فوم را در سراسر جهان عرضه کنیم.

این شرکت دارای بخش فنی حرفه ای و بخش نظارت بر کیفیت است, یک آزمایشگاه مجهز, و مجهز به تجهیزات تست پیشرفته و مرکز خدمات پس از فروش مشتریان.

اگر علاقه مند هستید, لطفا احساس راحتی کنید و با ما تماس بگیرید.

پرداخت

T/T, وسترن یونیون, پی پال, کارت اعتباری و غیره.

حمل و نقل

از طریق هوا, از طریق دریا, توسط اکسپرس, همانطور که مشتریان درخواست می کنند.

5 FAQs of Silica Fume Concrete Admixture for High Strength Concrete in Precast Industry

سوالات متداول: Silica Fume Concrete Admixture for High-Strength Precast Concrete

دوده سیلیس چیست؟?

دوده سیلیس یک پودر بسیار ریز است که در طی تولید فلز سیلیکون یا فروسیلیکون ساخته می شود. It is much finer than cement particles. وقتی به بتن اضافه می شود, it fills tiny gaps between cement grains. این امر بتن را متراکم تر و محکم تر می کند.

چرا از دود سیلیس در بتن پیش ساخته استفاده می شود؟?

Precast plants need high-strength, durable concrete that sets quickly. Silica fume boosts early and long-term strength. It also reduces water penetration and improves surface finish. These benefits help meet tight production schedules and strict quality standards.

How does silica fume affect workability?

Silica fume can make fresh concrete stiffer because of its fine particles. برای حفظ کارایی خوب, producers often add superplasticizers. With the right mix design, the concrete remains easy to place and consolidate without losing strength.

Does silica fume increase curing needs?

بله. Silica fume speeds up early hydration, so proper curing is critical. بدون رطوبت کافی, the surface may crack or dust. Keep the concrete moist for at least 7 روز. Steam curing works well in precast yards and supports faster demolding.

آیا دود سیلیس برای رسیدگی ایمن است?

Silica fume is not hazardous like crystalline silica. هنوز, گرد و غبار ریز آن می تواند چشم را تحریک کند, پوست, یا ریه ها. همیشه دستکش بپوشید, عینک, and a dust mask when handling dry powder. Most precast producers use slurry or densified forms to reduce dust and improve safety.