نتایج جستجو برای: unbonded post
تعداد نتایج: 404685 فیلتر نتایج به سال:
this study was an attempt to investigate and compare the effect of lexical inferencing and concept mapping on developing vocabulary retention of iranian language learners. sixty homogeneous students from different intact classes who were being taught as intermediate learners in sokhan english institute participated in this study. they were in different classes. a teacher made test as a pre-test...
This paper compares the measured lateral load behaviors of two 0.4-scale “hybrid” precast concrete wall test specimens – one wall with solid panels and the other with perforated panels. The test specimens have the same overall geometry and utilize a combination of mild [i.e., Grade 400 (U.S. Grade 60)] steel and high-strength unbonded post-tensioning (PT) steel for lateral resistance across hor...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
Abstract The objective of this study is to analytically assess the effectiveness a novel composite rubber bearing (CRB), which proposed enhance both displacement and damping capacities laminated natural (LNB), in improving seismic performance girder bridges. Four numerical bridge models respectively with unbonded bonded LNBs CRBs (i.e. ULNB, BLNB, UCRB, BCRB) are established based on restoring ...
Vaporizing foil actuator welding (VFAW), an impact method, was used for the first time to produce high strength welds between SiC-reinforced 8009 aluminum metal matrix composite (MMC) (8009/SiC/11p) and 7075 alloy (AA7075). Microscopic characterization of dissimilar weld revealed multiple heterogenous microstructural zones including unbonded zone at center, a flat interface, wavy trapped jet co...
Measurement of Changes in Stem Diameter under Different Temperature by an Unbonded Type Gauge Device
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