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What is the recommended minimum depth and aggregate composition for the sub-base compacted layer when laying heavy interlocking concrete patio pavers on expansive clay soil?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What is the recommended minimum depth and aggregate composition for the sub-base compacted layer when laying heavy interlocking concrete patio pavers on expansive clay soil?
2 real searches · 1 real-search pass
interlocking concrete pavers aggregate base depth expansive clay soil heavy duty pavement recommendations CMHAGoogle ↗
OBSERVED
CMHA permeable interlocking concrete pavement base subbase aggregate gradation dense graded crushed stone expansive clayGoogle ↗
OBSERVED

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Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
interlocking concrete pavers aggregate base depth expansive clay soil heavy duty pavement recommendations CMHA Google ↗
CMHA permeable interlocking concrete pavement base subbase aggregate gradation dense graded crushed stone expansive clay Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
interlocking concrete pavers aggregate base depth expansive clay soil heavy duty pavement recommendations CMHA
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
CMHA permeable interlocking concrete pavement base subbase aggregate gradation dense graded crushed stone expansive clay
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1