About This Item
- Full TextFull Text(subscription required)
- Pay-Per-View PurchasePay-Per-View
Purchase Options Explain
Share This Item
The AAPG/Datapages Combined Publications Database
AAPG Bulletin
Abstract
Volume:
Issue:
First Page:
Last Page:
Title:
Author(s):
Abstract:
High-pressure compaction studies (up to 200,000 psi) were conducted on kaolinite, illite, and montmorillonite clays and a natural organic colloid of Iranian origin, gum tragacanth. The remaining moisture content in per cent (dry weight) was plotted versus the logarithm of pressure in psi. For kaolinite clay there is a straight-line relationship between 40 and 200,000 psi (M = 33.9 - 5.96 log P), and for illite clay the relationship between the moisture content (per cent) and pressure (psi) can be expressed by the formula M = 50 - 8.7 log P. For montmorillonite clay, on the other hand, there is a break in the curve at about 1,000 psi, and from 1,000 to 200,000 psi the curve is a straight line: M=104 - 18.06 log P. For gum tragacanth, moisture versus pressure curve has a "h perbolic" shape; and it appears to be harder to squeeze water out of the crystalline clays than it is from the amorphous gel at low pressures. The moisture versus pressure curves of the more plastic (higher swelling) clays have steeper slopes than those of the clays having low plasticity; however, much longer time is needed for the establishment of equilibrium in more plastic clays.
Pay-Per-View Purchase Options
The article is available through a document delivery service. Explain these Purchase Options.
Watermarked PDF Document: $14 | |
Open PDF Document: $24 |
AAPG Member?
Please login with your Member username and password.
Members of AAPG receive access to the full AAPG Bulletin Archives as part of their membership. For more information, contact the AAPG Membership Department at [email protected].