Experimental Study on Basalt Fiber Reinforced Concrete Fatigue Performance
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Questions and Answers

What is the significance of conducting research on the fatigue performance of concrete materials?

It is significant for the anti-fatigue design of concrete structures.

What testing methods are commonly used to study the fatigue performance of basalt fiber reinforced concrete?

Indirect tensile or compressive strength tests.

What is the focus of the experimental study mentioned in the text?

Direct tensile fatigue performance of basalt fiber reinforced concrete.

What type of failure mode is observed in basalt fiber reinforced concrete under cyclic loading?

<p>Brittle failure.</p> Signup and view all the answers

How does the fatigue life of concrete change with the increase of basalt fiber content?

<p>It first increases and then decreases.</p> Signup and view all the answers

What testing equipment was used in the experimental study?

<p>Fatigue testing machine and a self-developed concrete axial tensile device.</p> Signup and view all the answers

What is the highest fatigue life compared to benchmark concrete?

<p>Basalt fiber concrete</p> Signup and view all the answers

How many stages can the fatigue deformation process of basalt fiber reinforced concrete be divided into?

<p>Three stages</p> Signup and view all the answers

What are some of the dynamic effects that can impact concrete structures during long-term service?

<p>Traffic loads, impacts of waves, earthquake and wind loads</p> Signup and view all the answers

What is the significance of conducting research on the fatigue performance of concrete materials?

<p>Great significance for the anti fatigue design of concrete structures</p> Signup and view all the answers

What type of materials can significantly improve the mechanical properties and durability of concrete?

<p>Fiber materials such as steel fibers, carbon nanotubes, basalt fibers</p> Signup and view all the answers

What are some of the excellent properties of basalt fiber?

<p>High chemical stability, low usage cost, and good compatibility with silicates</p> Signup and view all the answers

What has basalt fiber reinforced concrete been increasingly used for?

<p>Excellent mechanical properties</p> Signup and view all the answers

What type of inorganic fiber is basalt fiber?

<p>Produced in a harmless manner through the environmentally friendly melting process of volcanic rocks</p> Signup and view all the answers

What are some of the improvements in concrete due to basalt fibers?

<p>Improvement in strength, flexural toughness, and fatigue resistance</p> Signup and view all the answers

What did domestic and foreign scholars mainly conduct research on regarding basalt fiber reinforced concrete?

<p>Mechanical and deformation properties</p> Signup and view all the answers

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