- swell soil
- 膨润土
English-Chinese construction dictionary (英汉建筑大词典). 2013.
swell soil
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Soil survey — Soil survey, or soil mapping, is the process of classifying soil types and other soil properties in a given area and geo encoding such information. It applies the principles of soil science, and draws heavily from geomorphology, theories of soil… … Wikipedia
Soil compaction — occurs when weight of livestock or heavy machinery compresses soil, causing it to lose pore space. Affected soils become less able to absorb rainfall, thus increasing runoff and erosion. Plants have difficulty in compacted soil because the… … Wikipedia
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
Canadian system of soil classification — The Canadian system of soil classification is more closely related to the American system than any other. They differ in several ways. The Canadian system is designed to cover only Canadian soils. The Canadian system dispenses with a sub order… … Wikipedia
San Rafael Swell — The San Rafael Swell is a large geologic feature located in south central Utah, USA about 30 miles (50 km) west of Green River, Utah. The San Rafael Swell, approximately 75 miles by 40 miles (120 x 65 km), consists of a giant dome shaped… … Wikipedia
Shrink-swell capacity — The Shrink swell capacity of clay refers to the extent to which a clay will expand when wet and compact when dry.ProblemsDue to the nature of clay, clay groups with a high shrink swell capacity tend to damage crops during dry spells, as the soil… … Wikipedia
swelling soil — noun Soils that contain clay minerals which absorb water and as a result swell causing bumps across terrain. The most common mineral that causes swelling soil is Smectite (montmorillonite) … Wiktionary
Elklick Woodlands Natural Area Preserve — is a Natural Area Preserve located in Fairfax County, Virginia. Owned by the Fairfax County Park Authority, it is protected with a local conservation easement, and preserves a rare habitat known as a northern hardpan basic oak hickory forest.… … Wikipedia
Church Hill Tunnel — The sealed eastern entrance to the Church hill Tunnel Overview Line Chesapeake and Ohio Railway (C O) Location Richmond, Virginia … Wikipedia
Peninsula Extension — The Peninsula Extension of the Chesapeake and Ohio Railway led to Hampton Roads at Newport News, Virginia where West Virginia coal was loaded aboard colliers and shipped worldwide. The Peninsula Extension which created the Peninsula Subdivision… … Wikipedia
kaolisol — ▪ soil soil that is formed under the heat and heavy rainfall of the tropics, which leaches out the silica and the bases. Thus, the soil is silica poor; highly weathered, sometimes to a depth of many metres and therefore poor in weatherable… … Universalium
