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The Soil Volume Change Meter (PVC) is used to evaluate potentially dangerous swelling or shrinking conditions existing in some clay soils used in residential and commercial developments.
The device was originally developed by the Federal Housing Administration after considerable research to provide satisfactory background laboratory testing data, a summarization of mechanisms causing volume change in soils and the factors influencing these changes.
• Floating type design eliminates friction between soil specimen and ring.• Rust-resistant construction for long service life.
The Floating Ring Consolidometer is designed to eliminate the friction that occurs between the soil specimen and ring in consolidation testing.
• Loading Pressures on 2.5” (63 mm) diameter samples of up to 48 tons per sq. (5,148 k Pa) using 11:1 beam ratio.• Triple beam ratios of 9:1, 10:1 and 11:1 minimize loading weight requirements.• Rigid frame construction ensures accuracy, repeatability and reliability of test results.• Integral beam support jack eliminates possible shock to sample during load application procedures.• Compact, table top design for maximum space savings in the laboratory.• Cast aluminum and plated steel construction for rust resistance and long life.
Consolidation tests are performed in the laboratory to determine the settlement characteristics of soil over a period of time.
The data obtained from tests on a small sample in the laboratory can be used to predict the settlement of a foundation under a building, dam, bridge, or similar structure.
The Table Top Consolidation Apparatus is a compact machine designed to provide reliable, accurate and reproducible results. (5,148 k Pa) can be generated on 2.5” (63 mm) diameter samples.
A precision, low-bleed type of pressure regulator is used to set and maintain the load on the specimen.
Adjustable centering pads on the load platform aid in aligning the consolidometer and will accept any consolidometer up to a maximum diameter of 7.25” (184 mm).
Coarse grout contains aggregate up to 3/8” size and is an economical mix commonly used for reinforced masonry construction.
See the Building Code Requirements and Specification for Masonry Structures Specification Table 7 for grout space requirements.
It is generally understood that clays and other compressible soils can be subject to long-term consolidation under the loads imposed by foundations and above ground structures.Tags: Adult Dating, affair dating, sex dating