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Specification of Concrete Admixture Polypropylene Monofilament Fiber for Shotcrete and Tunnel Lining

Beton Katkısı Gereksinimleri: Polypropylene Monofilament Fiber for Shotcrete and Passage Cellular Lining

Ürün Tanıtımı

Polipropilen monofilament elyaf is a synthetic reinforcement utilized in shotcrete and tunnel lining applications. It enhances the efficiency of concrete by managing plastic shrinking splitting and enhancing sturdiness. Fiberden yapılmıştır 100% polypropylene and does not absorb water, guaranteeing long-lasting security in damp settings.

Hile Özellikleri

– Düzgün difüzyon: Fibers disperse equally in the mix without clumping.
– Alkali dirençli: Remains secure in high-pH cementitious settings.
– Aşındırıcı olmayan: Çelik liflerden farklı olarak, it will certainly not corrosion or break down in time.
– Kullanımı kolay: Calls for no unique tools– sadece toplu işlem boyunca ekleyin.

Teknik Özellikler

– Malzeme: 100% işlenmemiş polipropilen
– Uzunluk: 6 mm ila 19 mm (conventional alternatives).
– Çap: 18– 32 mikron.
– Çekme mukavemeti: ≥ 450 MPa.
– Erime faktörü: ~ 165 °C.
– Yoğunluk: 0.91 g/cm³.
– Gölge: Typically white or beige.

Uygulama Standartları

Include the fiber to the concrete mixer at a dose of 0.6– 1.0 kg başına metreküp. En az 3 oranında karıştırın– 5 mins to make certain full diffusion. The fiber works well with typical shotcrete tools and does not obstruct nozzles. It appropriates for both dry-mix and wet-mix processes. Usage in tunnel cellular linings, şev stabilizasyonu, mining assistance, and underground frameworks where split control and effect resistance are crucial.

Depolama alanı ve Taşıma

Tamamen kuru bir yerde saklayın, protected location far from direct sunshine. Maintain product packaging sealed until usage to prevent wetness absorption or contamination. Manage with basic security methods– stay clear of inhaling loose fibers during handling.

Applications of Concrete Admixture Polypropylene Monofilament Fiber for Shotcrete and Tunnel Lining

Beton Katkı Uygulamaları: Polypropylene Monofilament Fiber for Shotcrete and Tunnel Cellular Lining

Why Usage Polypropylene Monofilament Fiber?

Polypropylene monofilament fiber is a trusted additive in modern shotcrete and passage lining tasks. It mixes conveniently into damp or completely dry concrete systems. The fiber assists control early-age cracking triggered by plastic shrinking. Bu daha güçlü olmasına yol açar, a lot more resilient frameworks.

Efficiency in Shotcrete

Püskürtme beton uygulamalarında, the fiber enhances communication and reduces rebound. Less material bounces off during splashing, which conserves time and cuts waste. The fibers additionally hold the mix together better on upright or above surfaces. This indicates smoother application and fewer repair work later.

Benefits for Tunnel Linings

Passage cellular linings encounter consistent tension from ground activity and environmental direct exposure. Including polypropylene monofilament fiber increases sturdiness and influence resistance. The fibers act like a surprise assistance network inside the concrete. They do not change steel support however job together with it to manage micro-cracks prior to they grow.

Gizli Faydalar

Çatlak kontrolü: Fibers minimize surface area cracks during curing.
Enhanced sturdiness: Concrete stands up to wear, su nüfuzu, and freeze-thaw cycles better.
Simpler handling: Özel bir alete gerek yoktur– just add during mixing.
Uygun maliyetli: Low dose prices deliver recognizable efficiency gains without major cost increases.

Real-World Use

Service providers utilize this fiber in subway passages, extracting shafts, incline stablizing, and underground vehicle parking structures. It carries out well in both splashed and cast-in-place systems. The result is a more uniform, dependable concrete layer that lasts much longer under tough problems.

Şirket Profili

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Dünyanın her yerine yüksek kaliteli beton katkısı ve köpük betonla ilgili ürünler tedarik edebiliriz..

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Ödeme

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Sevkiyat

Hava yoluyla, deniz yoluyla, ekspres ile, müşterilerin isteği olarak.

5 FAQs of Concrete Admixture Polypropylene Monofilament Fiber for Shotcrete and Tunnel Lining

Sıkça Sorulan Sorular: Polypropylene Monofilament Fiber for Shotcrete and Tunnel Lining

What is polypropylene monofilament fiber used for?

This fiber is added to shotcrete and tunnel lining mixes. It helps control cracking caused by plastic shrinkage. The fibers spread evenly in the concrete. They hold the mix together during early curing.

How does it improve shotcrete performance?

Fiber dayanıklılığı ve darbe direncini artırır. It reduces rebound loss during spraying. This means less wasted material. It also lowers permeability, which helps keep water out. The final lining becomes more durable and stable.

Betonla karıştırmak kolay mı??

Evet. The fiber disperses well in standard mixing equipment. No special tools or processes are needed. Just add it during batching like other dry ingredients. Düzgün karıştırıldığında topaklanmaz veya topaklanmaz.

Does it replace steel fibers or rebar?

HAYIR. It is not a structural reinforcement. Yalnızca ikincil takviye olarak çalışır. Use it alongside steel fibers or rebar when extra crack control is needed. It mainly targets early-age cracks, not long-term load support.

İşçiler ve çevre için güvenli mi??

Evet. The fiber is chemically inert and non-toxic. It does not corrode or release harmful substances. Handling is safe with normal construction precautions. It also cuts down dust compared to some alternatives, improving site air quality.