Fiber Ratio and Reinforced Concrete Quiz

The angular shape improves interlocking between particles, further enhancing the concrete's properties.

6%

Less than 10%

<p>To determine the fineness of cement.</p> Signup and view all the answers

<p>Analytical balance capable of reproducing results within 0.0002gm with an accuracy of ±0.0002 gm.</p> Signup and view all the answers

<p>Tensile strength and flexibility</p> Signup and view all the answers

<p>Le chatelier flask.</p> Signup and view all the answers

<p>Hair is non-degradable and creates environmental problems; it is used as a fibro reinforcing material to minimize waste and reinforce mortar.</p> Signup and view all the answers

<p>The primary benefits include improved resistance to cracking, increased durability, and ecological responsibility, leading to greener construction practices and reduced environmental impact.</p> Signup and view all the answers

<p>The objective is to determine workability, compressive strength, tensile strength, and reduction of spalling by adding human hair to concrete.</p> Signup and view all the answers

<p>Hair has a tensile strength comparable to copper wire of similar diameter, making it a suitable reinforcing material for concrete.</p> Signup and view all the answers

<p>The ratio of the fiber is the ratio of its length to its diameter, and its value varies for different fibers.</p> Signup and view all the answers

<p>Hair is abundant, low-cost, and non-degradable, making it an environmentally friendly and cost-effective option for concrete reinforcement.</p> Signup and view all the answers

<p>The modulus of the elasticity of the matrix must be much less than the tough fiber, and this is important for efficient stress transfer.</p> Signup and view all the answers

<p>The hair thread has a cylindrical structure, is highly organized, and has a rigid structure at the molecular level, which provides flexibility and mechanical resistance.</p> Signup and view all the answers

<p>Human hair typically consists of 32% water, 65-95% of its weight in proteins, lipid pigments, and other components.</p> Signup and view all the answers

<p>Using hair as a reinforcement agent for concrete offers a sustainable alternative to traditional materials and addresses the challenge of waste management.</p> Signup and view all the answers

<p>A good bond is important for improving tensile strength because it enables efficient stress transfer from the matrix to the fiber.</p> Signup and view all the answers