<h1 id="composition">Composition<a aria-hidden="true" class="anchor-heading icon-link" href="#composition"></a></h1>
<h2 id="concrete-composition">Concrete Composition<a aria-hidden="true" class="anchor-heading icon-link" href="#concrete-composition"></a></h2>
<h3 id="constituents">Constituents<a aria-hidden="true" class="anchor-heading icon-link" href="#constituents"></a></h3>
<ol>
<li>
<p><strong>Water</strong>  </p>
<ul>
<li>Activates cement hydration.</li>
</ul>
</li>
<li>
<p><strong>Cement</strong>  </p>
<ul>
<li>Fine grey powder, primarily composed of limestone.</li>
</ul>
</li>
</ol>
<hr>
<h3 id="aggregates">Aggregates<a aria-hidden="true" class="anchor-heading icon-link" href="#aggregates"></a></h3>
<ol>
<li>
<p><strong>Coarse Aggregates</strong>  </p>
<ul>
<li>Examples: Rocks, gravel.</li>
</ul>
</li>
<li>
<p><strong>Fine Aggregates</strong>  </p>
<ul>
<li>Example: Sand.</li>
</ul>
</li>
</ol>
<hr>
<h3 id="order-of-importance">Order of Importance<a aria-hidden="true" class="anchor-heading icon-link" href="#order-of-importance"></a></h3>
<ol>
<li>
<p><strong>Water</strong>  </p>
<ul>
<li>Requires a specific ratio for optimal concrete properties.</li>
</ul>
</li>
<li>
<p><strong>Cement</strong>  </p>
<ul>
<li>Provides binding strength.</li>
</ul>
</li>
<li>
<p><strong>Fine Aggregates</strong>  </p>
<ul>
<li>Fills voids between coarse aggregates.</li>
</ul>
</li>
<li>
<p><strong>Coarse Aggregates</strong>  </p>
<ul>
<li>Contributes to the bulk and strength of the concrete.</li>
</ul>
</li>
</ol>
<hr>
<h3 id="coarse-aggregate-sizes">Coarse Aggregate Sizes<a aria-hidden="true" class="anchor-heading icon-link" href="#coarse-aggregate-sizes"></a></h3>
<div class="mermaid">
  flowchart TD
    CA[Coarse Aggregate] --> Big["Big ⌀20mm"]
    CA --> Small["Small ⌀10mm"]
</div>

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