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 Concrete Admixture PVA Fiber for High Performance Concrete in Precast Concrete Panels

Requirements of PVA Fiber for High-Performance Precast Concrete Panels

خلاصه محصول

PVA (پلی وینیل الکل) fiber is a synthetic reinforcement made use of in high-performance concrete. It improves durability, مقاومت در برابر شکست, و استحکام. This fiber functions well in precast concrete panels where strength and long-lasting efficiency matter.

کلید شامل

The fiber has high tensile toughness and bonds strongly with cement paste. فرسوده نمی شود, پوسیدگی, or degrade gradually. Its great diameter and uniform size assist it mix uniformly into concrete without clumping. PVA fiber also reduces shrinking splits throughout curing.

مشخصات فنی

– محصول : پلی وینیل الکل (totally hydrolyzed).
– طول : 6 میلی متر به 12 میلی متر (standard options).
– اندازه : 20– 40 میکرون.
– چقرمگی کششی : ≥ 1,200 MPa.
– طولانی شدن در زمان استراحت : 6% ± 1%.
– تراکم : 1.3 گرم بر سانتی متر سه.
– عامل ذوب : No melting point; breaks down over 230 درجه سانتیگراد.

دستورالعمل های استفاده

Include PVA fiber throughout the mixing phase. Use 0.5– 1.5 کیلوگرم بر متر مکعب بتن, depending upon design needs. حداقل 3 عدد مخلوط کنید– 5 mins to guarantee even circulation. هیچ دستگاه منحصر به فردی مورد نیاز نیست. The fiber collaborates with conventional batching and casting methods used in precast plants.

Benefits in Precast Applications

Precast panels made with PVA fiber show better impact resistance and flexural performance. They handle taking care of and transportation anxieties a lot more securely. Surface coating remains smooth because the fibers are fine and do not produce visible appearance. The end product satisfies rigorous quality standards for architectural and structural uses.

فضای ذخیره سازی و جابجایی

در جای کاملا خشک نگهداری شود, مکان سرپوشیده به دور از تابش مستقیم آفتاب. Keep product packaging secured till use to stop wetness absorption. Deal with like any type of dry construction additive– no unique safety gear is called for beyond conventional website methods.

Applications of Concrete Admixture PVA Fiber for High Performance Concrete in Precast Concrete Panels

Applications of Concrete Admixture PVA Fiber for High Performance Concrete in Precast Concrete Panels

Why Usage PVA Fiber in Precast Panels?

Precast concrete panels have to be solid, طولانی مدت, and crack-resistant. اضافه کردن PVA (پلی وینیل الکل) fiber to the concrete mix assists meet these requirements. PVA fiber is an artificial product that blends well with concrete. It bonds securely with the concrete matrix, which enhances overall performance.

کنترل بهتر شکست

One crucial advantage of PVA fiber is its capability to regulate splitting. Throughout curing or under lots, concrete usually creates small cracks. These splits can grow and deteriorate the structure gradually. PVA fibers connect these micro-cracks, stopping them from spreading out. This causes longer-lasting panels with less surface area flaws.

Boosted Durability and Influence Resistance

Panels made with PVA fiber show greater durability. They can soak up a lot more power before breaking. This is important during transportation, managing, و راه اندازی. The fiber additionally increases impact resistance, so the panels stand up better against unexpected knocks or hefty loads.

Improved Resilience in Harsh Problems

Precast panels are typically utilized outdoors or in aggressive environments. خیسی, چرخه های انجماد و ذوب, and chemical direct exposure can harm ordinary concrete. PVA fiber minimizes leaks in the structure, which decreases water and dangerous substance infiltration. در نتیجه, the panels remain more powerful for longer, even in challenging weather condition.

Easier Manufacturing and Finishing

PVA fiber blends efficiently right into the concrete mix without clumping. This makes batching and placing much easier for suppliers. The fiber does not wear away like steel, so there’s no rust staining externally. Finished panels look cleaner and need much less repair work or touch-up work.

Utilizing PVA fiber in high-performance concrete gives precast manufacturers a dependable means to enhance top quality, decrease upkeep, and meet modern building demands.

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 Concrete Admixture PVA Fiber for High Performance Concrete in Precast Concrete Panels

سوالات متداول: PVA Fiber for High-Performance Precast Concrete Panels

What is PVA fiber and why use it in precast panels?

PVA fiber is a synthetic fiber made from polyvinyl alcohol. It mixes into concrete to improve strength and control cracking. In precast concrete panels, it helps the material stay intact under stress and reduces surface cracks during handling and transport.

چگونه فیبر PVA عملکرد بتن را بهبود می بخشد؟?

PVA fiber boosts toughness and impact resistance. It holds the concrete together even after small cracks form. This means the panel can carry load better and lasts longer. The fibers also lower water loss during curing, which cuts down on early-age shrinkage cracks.

Can PVA fiber replace steel reinforcement?

خیر. PVA fiber works as a secondary reinforcement. It cannot take the place of main steel bars or mesh. But it does reduce the need for extra steel in non-structural areas by managing micro-cracks and improving durability.

Is PVA fiber easy to mix and place?

بله. PVA fiber blends well in standard concrete mixers. It does not ball up or clump if added correctly. کارگران می توانند بتن را درست مانند مخلوط های معمولی قرار داده و تکمیل کنند. هیچ ابزار یا روش خاصی در سایت مورد نیاز نیست.

Does PVA fiber affect the surface finish of precast panels?

Not when used at recommended dosages. الیاف ریز و کوتاه هستند, بنابراین در سطح ظاهر نمی شوند. This allows for smooth architectural finishes. Always follow the manufacturer’s mixing instructions to keep the look clean and professional.