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Author: C. W. Kaplar Publisher: ISBN: Category : Frost heaving Languages : en Pages : 32
Book Description
Experiments conducted at USA CRREL in recent years indicate that the two weeks or so required for the frost susceptibility testing of soils with previous procedures can be shortened considerably. Results of these experiments show that useful frost heaving data can be obtained in a matter of 2 or 3 days by a more rapid freezing technique. Results of experiments in which soil specimens were exposed to a constantly maintained temperature are presented. Data show that heave rate in laboratory experiments is a variable, not a constant, of a soil and is strongly dependent upon the heat extraction rate. The important role of frost susceptibility testing and soil evaluation for highway design is discussed. The suitability of equipment for use in conducting frost-heaving tests is also discussed. (Author).
Author: C. W. Kaplar Publisher: ISBN: Category : Frost heaving Languages : en Pages : 32
Book Description
Experiments conducted at USA CRREL in recent years indicate that the two weeks or so required for the frost susceptibility testing of soils with previous procedures can be shortened considerably. Results of these experiments show that useful frost heaving data can be obtained in a matter of 2 or 3 days by a more rapid freezing technique. Results of experiments in which soil specimens were exposed to a constantly maintained temperature are presented. Data show that heave rate in laboratory experiments is a variable, not a constant, of a soil and is strongly dependent upon the heat extraction rate. The important role of frost susceptibility testing and soil evaluation for highway design is discussed. The suitability of equipment for use in conducting frost-heaving tests is also discussed. (Author).
Author: C. W. Kaplar Publisher: ISBN: Category : Soil freezing Languages : en Pages : 46
Book Description
The report presents a description of the equipment and procedures used in the laboratory test of the relative frost susceptibility of different soils on Corps of Engineers construction projects and includes typical results of freezing tests of natural soils. The test uses a slow unidirectional freezing of a 6-in. high, remolded or undisturbed soil specimen with water available at the base (open system). The heaving rate measured during the test is used as the basis for classification of the frost susceptibility potential of the soil. This type of test, which measures heaving rate, is considered most versatile and adaptable for evaluating the effects of numerous soil parameters on frost heave. (Author).
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 464
Author: United States. Superintendent of Documents Publisher: ISBN: Category : Government publications Languages : en Pages : 1290
Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Author: United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 638
Author: C. W. Kaplar
Author: C. W. Kaplar
Author: C. W. Kaplar
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Author: 
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Author: United States. Superintendent of Documents
Author: United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo
Author: 
Author: