Təkmilləşdirilmiş Səthi Bitirmə: Hava tutucu maddələr kimi əlavələr krekinq kimi qüsurların qarşısını alaraq betonun bitişini və görünüşünü yaxşılaşdıra bilər., bal pətəkləri, və ya səthin tozlanması, hamar olmasını təmin edir, peşəkar səviyyəli səth.

Specification of PVA Fiber Concrete Admixture for High Ductility Concrete in Seismic Retrofitting

Requirements of PVA Fiber Concrete Admixture for High Ductility Concrete in Seismic Retrofitting

Məhsula Baxış

This PVA (polivinil spirti) fiber admixture is created high ductility concrete made use of in seismic retrofitting. It enhances strength, çatlara nəzarət, and power absorption. Liflər yaxşıdır, uniforma, and totally suitable with cement-based blends.

Trick daxildir

Yüksək gərginlik: Each fiber has strong resistance to drawing forces. This aids the concrete hold together under anxiety.
Excellent bond with matrix: The fiber surface area is treated to stick well to seal paste. This ensures reliable load transfer and minimizes split size.
Qələvi davamlı: The fibers stay steady in high-pH atmospheres typical of concrete. They do not break down with time.
Vahid diffuziya: Fibers blend uniformly in the batch without clumping. This provides regular efficiency across the whole structure.

Texniki Xüsusiyyətlər

– Lif növü: Polivinil spirti (PVA).
– Ölçü: 6– 12 mm.
– Diametri: 20– 40 mikron.
– Dartma gücü: ≥ 1,200 MPa.
– Elastik modul: ≥ 30 GPa.
– Fasilə zamanı uzanma: 6– 8%.
– Qalınlıq: 1.3 q/sm ALTI.
– Antasid müqaviməti: Passes ISO 2078 test after 28 gün doymuş Ca( OH) ₂ xidməti.

Standartlardan istifadə edin

Add 1.0– 2.0% by volume of complete mix. Make use of a forced-action mixer for at the very least 5 minutes to make certain full diffusion. Integrate with low water-to-binder proportions and fine accumulations to attain strain-hardening habits. Do not utilize with excessive superplasticizers, as this may lower fiber-matrix bonding. Always adhere to neighborhood building ordinance and conduct test batches prior to full-blown application.

Qablaşdırma və Saxlama

İçəridə verilir 20 kq nəmə davamlı çantalar. Tamamilə quru bir yerdə satın alın, trendy area away from straight sunlight. Maintain secured till all set to use. Ömür müddətidir 12 aylar düzgün saxlandıqda.

Applications of PVA Fiber Concrete Admixture for High Ductility Concrete in Seismic Retrofitting

Applications of PVA Fiber Concrete Admixture for High Ductility Concrete in Seismic Retrofitting

Why Make Use Of PVA Fibers in Retrofit Projects?

Old structures usually lack the strength to take care of strong quakes. Designers use high ductility concrete to fix this problem. This unique concrete includes PVA (polivinil spirti) liflər. These small fibers blend right into the concrete and help it bend without damaging.

Exactly how It Works Throughout a Quake

When drinking starts, typical concrete splits and breaks down fast. Yet concrete with PVA fibers holds with each other much better. The fibers act like small bridges across cracks. They quit splits from expanding as well large. This provides the framework even more time to move securely during drinking. Individuals inside get more time to run away.

Harada istifadə olunur

This material functions well in wall surfaces, işıq şüası, and joints that need additional durability. It is common in institutions, xəstəxanalar, and old apartment in earthquake zones. Employees spray or pour the fiber-reinforced mix over existing surfaces. No hefty machines are required. The process fits tight spaces and complex forms.

Advantages Over Typical Techniques

Old means used steel coats or carbon covers. These cost more and take longer to install. PVA fiber concrete is easier to apply. It bonds well with old concrete. It additionally stands up to water and chemicals far better than plain concrete. Üstəlik, it does not rust like steel.

Əsas üstünlüklərdən ibarətdir:
– Daha yaxşı çatlamağa nəzarət
– Higher energy absorption
– Less complex on-site work
– Daha uzun xidmət müddəti

Building contractors and engineers choose PVA fiber admixtures due to the fact that they use genuine defense without major rebuilds. The result is a more secure building that withstands ground activity– without appearing like it was patched.

Şirkət Profili

Biz yüngül beton və qabaqcıl mühəndis köpük həlləri üzrə dünya lideriyik. Tədqiqata sadiqliyi ilə dünya miqyasında tanınır, yenilik, və tətbiqi təcrübə, biz 2012-ci ilin əvvəlindən bəri mühəndis köpük həlləri təqdim edirik.

Biz bütün dünyada yüksək keyfiyyətli beton qatqıları və köpük betonla əlaqəli məhsulları təmin edə bilərik.

Şirkətdə peşəkar texniki şöbə və keyfiyyətə nəzarət şöbəsi var, yaxşı təchiz olunmuş laboratoriya, və qabaqcıl sınaq avadanlığı və satış sonrası müştəri xidməti mərkəzi ilə təchiz edilmişdir.

Əgər maraqlanırsınızsa, zəhmət olmasa çekinmeyin və bizimlə əlaqə saxlayın.

Ödəniş

T/T, Western Union, Paypal, Kredit kartı və s.

Göndərmə

Hava ilə, dəniz yolu ilə, ekspres ilə, müştərilərin tələbi kimi.

5 FAQs of PVA Fiber Concrete Admixture for High Ductility Concrete in Seismic Retrofitting

Tez-tez verilən suallar: PVA Fiber Concrete Admixture for High Ductility Concrete in Seismic Retrofitting

What is PVA fiber concrete admixture?

PVA fiber concrete admixture is a dry powder added to concrete mixes. It contains polyvinyl alcohol (PVA) fibers that help control cracking and improve toughness. This admixture makes concrete more flexible and better able to handle stress without breaking.

Why use PVA fibers in seismic retrofitting?

Buildings in earthquake-prone areas need extra protection. Regular concrete cracks easily under sudden shaking. PVA fibers hold the concrete together even after cracks form. This gives the structure more time to absorb energy and reduces the risk of collapse during an earthquake.

How does PVA fiber improve ductility?

Ductility means a material can bend or stretch without failing. PVA fibers act like tiny reinforcements inside the concrete. When force is applied, these fibers bridge micro-cracks and stop them from growing. The result is a concrete that deforms more before it breaks—exactly what you need in seismic zones.

Is PVA fiber easy to mix into concrete?

Bəli. You add PVA fiber during normal batching, just like other dry admixtures. Xüsusi avadanlıq tələb olunmur. The fibers disperse evenly if mixed properly. Follow the manufacturer’s dosage instructions to get consistent performance.

Does PVA fiber affect workability or strength?

Adding the right amount of PVA fiber has little effect on fresh concrete workability. It may slightly reduce slump, but this is manageable with standard practices. Compressive strength stays similar to plain concrete. The big gain is in post-crack behavior—tensile strength and energy absorption improve significantly.