वर्धित पृष्ठभाग समाप्त: एअर-एंट्रेनिंग एजंट्स सारख्या ऍडिटीव्ह्ज क्रॅकिंगसारखे दोष टाळून काँक्रिटची ​​समाप्ती आणि स्वरूप सुधारू शकतात., हनीकॉम्बिंग, किंवा पृष्ठभाग धूळ, गुळगुळीत सुनिश्चित करणे, व्यावसायिक दर्जाची पृष्ठभाग.

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

उत्पादन विहंगावलोकन

This PVA (पॉलीव्हिनिल अल्कोहोल) fiber admixture is created high ductility concrete made use of in seismic retrofitting. It enhances strength, क्रॅक नियंत्रण, and power absorption. तंतू ठीक आहेत, एकसमान, and totally suitable with cement-based blends.

युक्ती समाविष्ट आहे

उच्च तन्य कडकपणा: 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.
अल्कली-प्रतिरोधक: The fibers stay steady in high-pH atmospheres typical of concrete. They do not break down with time.
एकसमान प्रसार: Fibers blend uniformly in the batch without clumping. This provides regular efficiency across the whole structure.

तांत्रिक वैशिष्ट्ये

– फायबर प्रकार: पॉलीव्हिनिल अल्कोहोल (पीव्हीए).
– आकार: 6– 12 मिमी.
– व्यासाचा: 20– 40 मायक्रॉन.
– तन्य शक्ती: ≥ 1,200 एमपीए.
– लवचिक मापांक: ≥ 30 GPa.
– ब्रेक येथे वाढवणे: 6– 8%.
– जाडी: 1.3 g/cm सहा.
– अँटासिड प्रतिकार: Passes ISO 2078 test after 28 days in saturated Ca( ओह) ₂ service.

मानके वापरा

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.

पॅकेजिंग आणि स्टोरेज

मध्ये पुरवले 20 किलो ओलावा-प्रूफ पिशव्या. पूर्णपणे कोरड्या ठिकाणी खरेदी करा, trendy area away from straight sunlight. Maintain secured till all set to use. आयुर्मान आहे 12 महिने जेव्हा योग्यरित्या ठेवले जातात.

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 पीव्हीए (पॉलीव्हिनिल अल्कोहोल) तंतू. 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.

कुठे त्याचा वापर केला जातो

This material functions well in wall surfaces, दिव्यांचा किरण, and joints that need additional durability. It is common in institutions, रुग्णालये, 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. प्लस, it does not rust like steel.

मुख्य फायद्यांचा समावेश आहे:
– चांगले क्रॅक नियंत्रण
– Higher energy absorption
– Less complex on-site work
– दीर्घ सेवा जीवन

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.

कंपनी प्रोफाइल

लाइटवेट काँक्रिट आणि प्रगत इंजिनियर फोम सोल्यूशन्समध्ये आम्ही जागतिक आघाडीवर आहोत. संशोधनाच्या वचनबद्धतेसाठी जागतिक स्तरावर ओळखले जाते, नवीनता, आणि कौशल्य लागू केले, आम्ही 2012 च्या सुरुवातीपासून इंजिनियर फोम सोल्यूशन्स प्रदान करत आहोत.

आम्ही जगभरात उच्च-गुणवत्तेचे काँक्रीट मिश्रण आणि फोम काँक्रिटशी संबंधित उत्पादने पुरवू शकतो.

कंपनीकडे व्यावसायिक तांत्रिक विभाग आणि गुणवत्ता पर्यवेक्षण विभाग आहे, एक सुसज्ज प्रयोगशाळा, आणि प्रगत चाचणी उपकरणे आणि विक्री-पश्चात ग्राहक सेवा केंद्रासह सुसज्ज.

तुम्हाला स्वारस्य असल्यास, कृपया मोकळे व्हा आणि आमच्याशी संपर्क साधा.

पेमेंट

टी/टी, वेस्टर्न युनियन, पेपल, क्रेडिट कार्ड इ.

शिपमेंट

विमानाने, समुद्राने, एक्सप्रेस द्वारे, ग्राहकांच्या विनंतीनुसार.

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

वारंवार विचारले जाणारे प्रश्न: 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 (पीव्हीए) 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. जेव्हा शक्ती लागू केली जाते, 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.

PVA फायबर काँक्रिटमध्ये मिसळणे सोपे आहे का??

होय. You add PVA fiber during normal batching, just like other dry admixtures. विशेष उपकरणे आवश्यक नाहीत. 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.