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  • 1
    Electronic Resource
    Electronic Resource
    Genetic variation of five blood group polymorphisms in ten populations of Assam, India (1987)
    Springer
    International journal of anthropology 2 (1987), S. 325-340 
    Details
    ISSN: 1824-3096
    Keywords: Blood group polymorphisms ; population genetic study ; Assam (India)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Six Mongoloid and four Caucasoid populations of Assam, India, were examined for A1A2BO, Rhesus, Duffy and Diego blood groups. The distribution of their phenotypes and allele frequencies are presented. In the perspective of the ethnographic background, the results have been discussed in terms of genetic variability among these populations and probable reasons for its existence. The major groups, namely Caucasoids and Mongoloids, appear to form two separate groups in terms of these blood groups, though evidence is there to suggest intermixture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02443992
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  • 2
    Electronic Resource
    Electronic Resource
    The distribution of the Hb Constant Spring gene in Southeast Asian populations (1990)
    Springer
    Human genetics 〈Berlin〉 84 (1990), S. 188-190 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The distribution of the hemoglobin Constant Spring (Hb CS) gene in eight populations in Southeast Asia (including Assam) was determined using oligonucleotide hybridization. Hb CS was absent in two Assamese populations with a high prevalence of Hb E. The Hb CS gene frequency was 0.033 in northern Thailand and near 0.01 in central Thailand and Cambodia. High frequencies, between 0.05 and 0.06, were observed in northeastern Thailand. The present data and a similar study in Laotians suggest that the Lao-speaking populations of the Mekong River basin in northeastern Thailand and Laos have the highest frequencies of the Hb CS gene in Southeast Asia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00208939
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  • 3
    Electronic Resource
    Electronic Resource
    High prevalence of Haemoglobin E in two populations in Assam (1971)
    Springer
    Human genetics 〈Berlin〉 12 (1971), S. 264-266 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Zwei Bevölkerungsgruppen in Assam (Indien) wurden untersucht. Bei 80 Khasi (Bhoi-Untergruppe), einem austroasiatischen Stamm, fanden sich 41% HbE-Träger, bei 82 Ahom, Abkömmlingen von Thai-Einwanderern, 58% HbE-Träger. Die große Häufigkeit des HbE in Gruppen mit ethnischen Beziehungen zu Südostasien unterstützen die Ansicht, daß das HbE-Gen von dort nach Indien eingeführt wurde.
    Notes: Summary Two groups in Assam (India) were examined. Among 80 Khasi (Bhoi subgroup), an austroasiatic tribal group, there were 41% HbE carriers; and in 82 Ahom, a group related to the Thai population, 58% of HbE carriers were found. This high prevalence of HbE in groups with ethnic relations to Southeast Asia supports the contention that the HbE gene was introduced to India from that area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00702780
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  • 4
    Electronic Resource
    Electronic Resource
    The bearing capacity of surface strip foundations on geogrid-reinforced sand and clay — a comparative study (1994)
    Springer
    Geotechnical and geological engineering 12 (1994), S. 1-14 
    Details
    ISSN: 1573-1529
    Keywords: Clay ; geogrid ; reinforcement depth ; reinforcement width ; sand ; ultimate bearing capacity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary Laboratory model test results for the ultimate bearing capacity of a strip foundation supported by geogrid-reinforced sand and saturated clay are presented. One type of geogrid only was used for all the tests. On the basis of the model test results, the optimum depth and width of reinforcing layers and the optimum depth of the location of the first layer of the geogrid in sand and saturated clay were determined and compared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425933
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  • 5
    Electronic Resource
    Electronic Resource
    The effects of foundation width on model tests for the bearing capacity of sand with geogrid reinforcement (1994)
    Springer
    Geotechnical and geological engineering 12 (1994), S. 133-141 
    Details
    ISSN: 1573-1529
    Keywords: Bearing capacity ; bearing capacity ratio ; geogrid reinforcement ; model test
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary Laboratory model test results for the ultimate bearing capacity of surface strip foundations on geogrid-reinforced sand and unreinforced sand are presented. A fine uniform sand and one type of geogrid (Tensar BX1000(SSO)) were used for the tests. The width of the foundation and the relative density of sand were varied to determine their effects on the bearing capacity ratio. It was found that the bearing capacity ratio of the sand-geogrid system decreased with an increase in foundation width. However, above a certain foundation width (130–140 mm) a practically constant value of bearing capacity ratio was observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00429771
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  • 6
    Electronic Resource
    Electronic Resource
    Laboratory model tests for cyclic load-induced settlement of a strip foundation on a clayey soil (1996)
    Springer
    Geotechnical and geological engineering 14 (1996), S. 213-225 
    Details
    ISSN: 1573-1529
    Keywords: Clay ; cyclic load ; settlement ; strip foundation ; ultimate bearing capacity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Laboratory model test results are presented for the cyclic load-induced settlement of a strip foundation supported by a saturated clayey soil. In performing the tests, the foundation was initially subjected to an allowable static load, after which a cyclic load with a frequency of one cycle per second was superimposed on it. The magnitudes of the static load and the amplitude of the cyclic load were varied. Based on the model test results, relationships for the foundation settlement and intensities of the static and cyclic loads are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00452948
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  • 7
    Electronic Resource
    Electronic Resource
    Ultimate uplift capacity of model rigid metal piles in clay (1993)
    Springer
    Geotechnical and geological engineering 11 (1993), S. 203-215 
    Details
    ISSN: 1573-1529
    Keywords: Clay ; inclined load ; metal pile ; rigid pile ; uplift capacity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary Laboratory model test results for estimation of the ultimate uplift capacity of rigid metal piles embedded in a compacted near-saturated clayey soil are presented. The length-diameter ratio of the piles was varied from 10 to 15. The direction of the uplift load on the pile was varied from 0 to 50°. Based on the present test results and the results of existing model studies, an empirical relationship for estimating the pile uplift capacity has been presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00531251
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  • 8
    Electronic Resource
    Electronic Resource
    Static and dynamic active earth pressure (1996)
    Springer
    Geotechnical and geological engineering 14 (1996), S. 353-366 
    Details
    ISSN: 1573-1529
    Keywords: Active pressure ; dynamic ; Mononobe-Okabe method ; retaining structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary The dynamic active earth pressure on retaining structures due to seismic loading is commonly obtained by using the modified Coulomb's approach which is known as the Mononobe-Okabe method. This method has generally been used for cohesionless soils only. A general solution for the determination of total (i.e. static and dynamic) active earth force for a c-ϕ soil as backfill was developed by Prakash and Saran in 1966 based on the simplifying assumption that adhesion between the wall-soil interface is equal to the cohesion of the soil, that the surface of the backfill is horizontal, and that the effect of the vertical acceleration can be neglected. This note presents an improved method for calculating the static and dynamic active force behind a rigid retaining wall based on its geometry, inclination of the backfill, surcharge, strength parameters of the backfill, and the adhesion between the wall face and the soil. The effects of adhesion, inclination of backfill, and vertical components of seismic loading for a typical retaining wall are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00421949
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  • 9
    Electronic Resource
    Electronic Resource
    Lightly cemented sand in tension and compression (1995)
    Springer
    Geotechnical and geological engineering 13 (1995), S. 169-177 
    Details
    ISSN: 1573-1529
    Keywords: Lightly cemented sand ; stress-strain relationship ; tensile strength ; unconfined compressive strength
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary Laboratory test results for the stress-strain relationships for lightly cemented sand specimens are presented. The tests were conducted with the specimens under compression and tension without any confining pressure. The cement content was varied from 4% to 8%. Based on the test results, the variations of the stress and strain ratios at failure with cement content are presented for specimens under compression and tension.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00456716
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  • 10
    Electronic Resource
    Electronic Resource
    Transient loading-related settlement of a square foundation on geogrid-reinforced sand (1994)
    Springer
    Geotechnical and geological engineering 12 (1994), S. 241-251 
    Details
    ISSN: 1573-1529
    Keywords: Geogrid reinforcement ; sand ; surface foundation ; transient loading ; ultimate settlement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary Laboratory model test results are presented that determine the effectiveness of using layers of geogrids as reinforcement in sand to reduce the settlement of square surface foundations subjected to transient loading. The model tests were conducted with only one type of geogrid at one relative density of compaction of sand. The maximum intensity of the transient load applied always exceeded the static ultimate bearing capacity of the foundation when supported by unreinforced sand. The settlement reduction factors for various depths of reinforcement have been determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00427055
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