296 lines
11 KiB
HTML
296 lines
11 KiB
HTML
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<html lang="en">
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>The First Pour — A Field Guide | Carlos Acosta</title>
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<link rel="stylesheet" href="../style.css">
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<style>
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/* BRUTALIST FIELD GUIDE — raw, high-contrast, monospace */
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rgba(139, 69, 19, 0.05) 12px,
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rgba(139, 69, 19, 0.05) 24px
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</style>
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<script defer src="https://analytics.4ort.xyz/script.js" data-website-id="d3ed927c-888a-4a6c-ae5f-0b1c613ddf5b"></script>
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</head>
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<body>
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<div class="field-guide">
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<header>
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<nav>
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<a href="../index.html" class="nav-link">← Home</a>
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<a href="../tools/beam-load.html" class="nav-link">Beam Calculator</a>
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<a href="../films/el-calor-del-comal/" class="nav-link">El Calor del Comal</a>
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</nav>
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<h1>THE FIRST POUR</h1>
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<p class="tagline">A field guide to concrete — ratio, sound, and timing. From the Gulf to the slab.</p>
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</header>
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<main>
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<section class="chapter">
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<h2>I. THE RATIO</h2>
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<p><strong>Mix 1:2:3</strong> — One part cement, two parts sand, three parts aggregate. Water to cement ratio: 0.45 ± 0.05. This is the law.</p>
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<table class="ratio-table">
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<thead>
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<tr>
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<th>Component</th>
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<th>Part by Weight</th>
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<th>Volume Equivalent</th>
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<th>Source</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><strong>Cement</strong></td>
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<td>1.0</td>
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<td>1 sack (94 lb)</td>
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<td><a href="https://www.wikidata.org/entity/Q45190" target="_blank">Q45190</a></td>
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</tr>
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<tr>
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<td><strong>Sand</strong></td>
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<td>2.0</td>
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<td>2 cu ft</td>
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<td>ASTM C33</td>
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</tr>
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<tr>
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<td><strong>Aggregate</strong></td>
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<td>3.0</td>
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<td>3 cu ft (¾"</td>
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<td>ACI 211.1</td>
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</tr>
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<tr>
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<td><strong>Water</strong></td>
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<td>0.45</td>
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<td>5–6 gal</td>
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<td><a href="https://www.wikidata.org/entity/Q283" target="_blank">Q283</a></td>
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</tr>
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</tbody>
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</table>
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<p class="citation"><strong>NOTE:</strong> Cement (Q45190) is a hydraulic binder made from limestone and clay. Water (Q283) is H₂O — the activator. Add water LAST. Always.</p>
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</section>
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<section class="chapter">
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<h2>II. THE SOUND</h2>
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<div class="sound-box">
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<p><em>"Listen to the mix."</em></p>
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<p>Wet concrete sings a low hum — like distant thunder rolling over the bay. Too dry, and it crackles like dead leaves. Too wet, and it slaps like mud on a tin roof.</p>
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<p><strong>Target sound:</strong> A thick whisper. The consistency of heavy cream, not milk.</p>
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</div>
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<div class="weather-sign">
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<span style="font-size: 2rem;">🌡️</span>
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<div>
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<strong>HUMIDITY CHECK</strong><br>
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Above 80% RH? Reduce water by 0.03. Below 40%? Mist the aggregate first.
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</div>
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</div>
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<div class="weather-sign">
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<span style="font-size: 2rem;">💨</span>
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<div>
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<strong>WIND SPEED</strong><br>
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Over 15 mph? Cover the mix immediately. Evaporation steals the cure.
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</div>
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</div>
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</section>
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<section class="chapter">
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<h2>III. THE TIMING</h2>
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<p>From first water contact to final set: <strong>90 minutes</strong> at 75°F. Temperature shifts the clock.</p>
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<div class="timing-chart">
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<div class="timing-label">0–10 min</div>
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<div>MIXING — rotate the drum. Watch for clumps.</div>
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<div class="timing-label">10–25 min</div>
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<div>TRANSPORT — keep agitation. No stops longer than 2 minutes.</div>
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<div class="timing-label">25–45 min</div>
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<div>POUR — continuous flow. Rod every 12 inches.</div>
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<div class="timing-label">45–60 min</div>
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<div>FLOAT — wood trowel only. Steel comes later.</div>
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<div class="timing-label">60–90 min</div>
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<div>SEED — cover with burlack. Begin cure.</div>
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</div>
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<p class="citation"><strong>TEMP CORRECTION:</strong> For every 5°F above 75°F, subtract 5 minutes from each phase. Below 75°F? Add 8 minutes per 5°F.</p>
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</section>
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<section class="chapter">
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<h2>IV. THE NEIGHBOR'S HAND</h2>
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<div class="neighbor-feature">
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<p><strong>This guide stands on shoulders:</strong></p>
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<fort-citizen name="alvester"></fort-citizen>
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<p>Alvester's kiln work teaches the same breath-between-heat principle. His temperature curves inform our timing chapter.</p>
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</div>
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</section>
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<section class="chapter">
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<h2>V. THE IMAGE</h2>
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<p>See the mix in motion:</p>
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<fort-media query="concrete mixer pouring" limit="1"></fort-media>
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<p class="citation">License-clean media fetched on demand.</p>
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</section>
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<section class="chapter">
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<h2>VI. NEXT STEPS</h2>
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<p>This guide is Chapter One. The next pours will carry:</p>
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<ul>
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<li><strong>Rebar spacing calculations</strong> — grounded in steel yield strength (Q1144626).</li>
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<li><strong>Slab thickness by load</strong> — residential vs. industrial footprints.</li>
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<li><strong>Cure monitoring</strong> — humidity sensors and the thermal signature of setting.</li>
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</ul>
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<p>Each chapter a deeper dive. Each pour a stronger foundation.</p>
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</section>
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<footer>
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<nav>
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<a href="../index.html" class="nav-link">← Back to the Site</a>
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<a href="../guides/wall-laying.html" class="nav-link">Next: The First Wall →</a>
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</nav>
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<p style="margin-top: 2rem; font-size: 0.75rem; opacity: 0.6;">
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Built in Corpus Christi. © 2026 Carlos Acosta<br>
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Source: <code>site/guides/first-pour.html</code> | Data twin: <code>site/guides/first-pour.json</code>
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</p>
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</footer>
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</main>
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</div>
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