نتایج جستجو برای: standard penetration test spt
تعداد نتایج: 1291404 فیلتر نتایج به سال:
Abstract Based on the results of standard penetration tests (SPTs) conducted in Al-Basrah governorate, this research aims to present thematic maps and equations for estimating bearing capacity driven piles having several lengths. The work includes drilling 135 boreholes a depth 10 m below existing ground level three (SPT) at depths 1.5, 6, 9.5 were each borehole. MATLAB software corrected SPT v...
Shear wave velocity is a basic engineering tool required to define dynamic properties of soils. In many instances it may be preferable to determine Vs indirectly by common in-situ tests, such as the Standard Penetration Test. Many empirical correlations based on the Standard Penetration Test are broadly classified as regression techniques. However, no rigorous procedure has been published for c...
Taking medical history, physical examination, and performing some in vivo and in vitro tests are necessary for the diagnosis of allergy. Skin prick test (SPT) is considered as the standard method and first-line approach for the detection of allergic sensitization. Although mainly SPT is used for the detection of allergic sensitization, intradermal skin test (IDST) may be necessary, especially i...
Due to cost limitations, it is not practicable experimentally investigate the soil characteristics over entire city. Given this, study has focused on using a geographic information system, especially IDW technique, with linear regression models. The study's data collection was taken from different locations around Kirkuk province. technique used examine Standard Penetration Testing (SPT) and ch...
BACKGROUND Skin prick test (SPT) and fluorescence enzyme immunoassay (FEIA) are widely used for the diagnosis of Immunoglobulin-E (IgE)-mediated allergic disease. Basophil activation test (BAT) could obviate disadvantages of SPT and FEIA. However, it is not known whether BAT gives similar results as SPT or FEIA for aeroallergens. OBJECTIVES In this study, we compared the results of SPT, BAT a...
Insitu soil tests in general have the advantage of allowing measurements under the field environmental conditions with minimum amount of soil disturbance due to sampling. A comparison of continuous dynamic probing with the SPT has been made for a study case of highly weathered limestone in Eastern Sudan. The correlation between the two test results is obtained in terms of penetration resistance...
BACKGROUND Rhinitis is a very common disease, frequently caused by sensitisation to inhalant allergens. Negative results from skin prick tests (SPT) and in vitro IgE tests generally lead to a diagnosis of non-allergic rhinitis. However, it is possible, as indicated by studies addressed with dust mites or pollens that the production of specific IgE occurs exclusively at nasal level. METHODS We...
Occupational allergic contact eczema and asthma caused by bleaching agents is seen in hairdressers. Bleaching agents contain persulfate salts, which are known to induce immediate reactions such as rhinitis, asthma, contact urticaria, and anaphylaxis. The immunologic mechanism is not, however, fully understood. The specific inhalation challenge test is considered to be the gold standard for diag...
BACKGROUND Within a large prospective study, the Global Asthma and Allergy European Network (GA(2) LEN) has collected skin prick test (SPT) data throughout Europe to make recommendations for SPT in clinical settings. OBJECTIVE To improve clinical interpretation of SPT results for inhalant allergens by providing quantitative decision points. METHODS The GA(2) LEN SPT study with 3068 valid da...
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