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 Thin Concrete Overlays and Bridge Deck Repairs

مشخصات افزودنی بتن: PVA Fiber for Thin Concrete Overlays and Bridge Deck Fixes

خلاصه محصول
PVA (پلی وینیل الکل) fiber is a high-performance synthetic fiber developed especially for use in slim concrete overlays and bridge deck repair work applications. It improves sturdiness, مقاومت در برابر ترک, and lasting toughness without jeopardizing workability.

مزایای کلیدی
This fiber greatly lowers plastic contraction fracturing during early healing. It additionally boosts flexural strength and impact resistance in hardened concrete. Because the fibers are great and uniformly spread, they do not conflict with surface completing or bonding to existing substrates. نتیجه صاف تر است, much more consistent overlay that lasts much longer under rush hour and rough weather condition.

ویژگی فنی
– نوع فیبر: پلی وینیل الکل (PVA).
– طول: 6 میلی متر به 12 میلی متر.
– قطر: 20– 40 میکرون.
– استقامت کششی: ≥ 1,600 MPa.
– Modulus of flexibility: ≥ 40 معدل.
– میزان دوز: 0.5– 1.5 کیلوگرم بر متر مکعب بتن.

استانداردهای کاربردی
Mix PVA fibers into the concrete batch at the plant or on-site utilizing standard operating procedures. Ensure extensive mixing– به طور معمول 3 به 5 mins after fiber enhancement– to achieve consistent distribution. Do not exceed recommended dosage rates, as this might affect circulation and finishability. Use the mix utilizing conventional placement approaches such as troweling, spraying, or paving, بسته به نیاز پروژه. Heal the overlay properly using wet treating or accepted treating substances to optimize efficiency.

سازگاری
PVA fibers work well with a lot of cement types, supplemental cementitious products (مانند خاکستر بادی یا سرباره), and typical chemical admixtures consisting of water reducers and air-entraining representatives. Always carry out a trial set before major usage to confirm compatibility and preferred fresh and hardened properties.

Applications of Concrete Admixture PVA Fiber for Thin Concrete Overlays and Bridge Deck Repairs

Applications of Concrete Admixture PVA Fiber for Thin Concrete Overlays and Bridge Deck Fixes

Why Usage PVA Fiber in Thin Overlays?

Thin concrete overlays need additional stamina and sturdiness. Ordinary concrete splits easily under traffic, آب و هوا, و تنظیم دما. Adding PVA (پلی وینیل الکل) fiber addresses this trouble. The fibers blend evenly into the concrete. They hold the product with each other when tension develops. This lowers breaking and enhances toughness.

Bridge Deck Repair Work Made Better

Bridge decks face hefty lots daily. آب, نمک, and freeze-thaw cycles wear them down quick. Conventional repair services commonly fail early. With PVA fiber admixture , the brand-new repair layer bonds better and lasts much longer. The fibers stop little splits from growing. They additionally assist the overlay withstand impact and abrasion. Workers see fewer surface defects throughout positioning.

آسان برای استفاده از, Strong Results

Specialists do not need special devices to make use of PVA fiber. It blends well with typical blending devices. The fiber does not sphere up or glob. This suggests regular efficiency throughout the whole set. The last surface area remains smooth– optimal for roads and pedestrian locations. و همچنین, the overlay establishes swiftly without losing workability.

ارزش بلند مدت

Utilizing PVA fiber reduces long-term prices. Repairs last years longer than simple concrete repairs. There is much less need for regular patching or complete replacement. Maintenance crews invest less time on emergency situation fixes. Website traffic disturbance drops as well. For cities and freeway departments, this indicates real savings and much safer facilities.

PVA fiber transforms average repair service mixes into high-performance options. It functions where thin areas matter most– like bridge decks, سازه های پارکینگ, and path patches. نتیجه سخت تر است, a lot more trusted surface area that stands up to day-to-day wear without consistent attention.

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 Thin Concrete Overlays and Bridge Deck Repairs

سوالات متداول: PVA Fiber for Thin Concrete Overlays and Bridge Deck Repairs

What is PVA fiber used for in concrete overlays?

PVA (پلی وینیل الکل) fiber is added to thin concrete overlays to improve strength and control cracking. It helps the concrete hold together better under stress. This is especially useful on bridge decks where traffic and weather cause constant wear.

چرا فیبر PVA را نسبت به الیاف دیگر انتخاب کنید؟?

فیبر PVA به خوبی با سیمان پیوند می خورد. مانند الیاف فولادی زنگ نمی زند. It also resists alkali, so it lasts longer in concrete. The fibers are fine and evenly spread, which gives a smooth surface finish—important for thin overlays.

How does PVA fiber reduce cracking?

When concrete shrinks or faces load, ترک های ریز شروع به تشکیل شدن می کنند. PVA fibers act like a net inside the mix. They hold these micro-cracks together. This stops them from growing into bigger cracks that weaken the structure.

Can PVA fiber be used in fast-track repairs?

بله. PVA fiber works well in fast-setting repair mixes. It adds toughness right after placement. This means crews can open roads or bridges to traffic sooner without risking early damage.

Does PVA fiber affect workability of the mix?

A small amount of PVA fiber has little effect on how easy the mix is to place and finish. معمولاً از دوز مناسب استفاده کنید 0.5% به 1.0% by volume—and mix properly. This keeps the concrete easy to handle while still giving all the benefits.