Performance of FRP strengthened beams subjected to elevated temperatures

... PERFORMANCE OF FRP- STRENGTHENED BEAMS SUBJECTED TO ELEVATED TEMPERATURES ZHOU YUQIAN (B.Eng., WHUT) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CIVIL ENGINEERING ... behavior of FRP- strengthened members under elevated temperatures This research presents test results regarding the structural behavior of FRPstrengthened RC beams after subjecting them to elevated temperatures ... corresponding to FRP rupture M db ultimate moment of resistance corresponding to debonding of FRP laminate tf thickness of FRP laminates wf width of FRP laminates x distance from the top concrete fiber to...

Effect of beam size and FRP thickness on interfacial shear stress concentration and failure mode of FRP strengthened beams

... laboratory investigation of the interfacial shear stress concentration at the CFRP cut-off regions as well as the failure mode of CFRP -strengthened beams as a function of beam size and FRP thickness 2) ... Founded 1905 EFFECT OF BEAM SIZE AND FRP THICKNESS ON INTERFACIAL SHEAR STRESS CONCENTRATION AND FAILURE MODE IN FRP- STRENGTHENED BEAMS LEONG KOK SANG (B.Eng (Hons.) UTM) A THESIS SUBMITTED ... Load-deflection response of control beams in Series C 64 Figure 4.7 Load-deflection response of FRP- strengthened beams in Series A 65 x Figure 4.8 Figure 4.9 Load-deflection response of FRP- strengthened beams...

Long term behavior of FRP strengthened RC beams

... Review of Work 213 6.2 Summary of Findings 215 6.2.1 Long- term Behavior of FRP- Strengthened RC Beams under Sustained Loading 215 6.2.2 Effect of Cyclic Loading on Long- Term Behavior of FRP- Strengthened ... Effect of tropical weathering on long- term deflection, crack width, and residual strength of GFRP -strengthened RC beams under sustained loading Long- term deflection and crack width of RC beams strengthened ... This research yields valuable results regarding the long- term structural behavior of FRP- strengthened RC beams The investigation on the effect of tropical weathering on FRP- strengthened RC beams...

Báo cáo nghiên cứu khoa học: "Application SDOF model to seismic base sliding analysis of concrete gravity dams subjected to earthquake load" pot

... Bureau of Reclamation; Design of gravity dams: Design Manual for Concrete Gravity Dams; Denver, Colorado; 1976 R A MIR and C A TAYLOR An investigation in to base sliding response of rigid gravity dams ... downstream sliding of rigid concrete gravity dams subjected earthquake loads The main menu of DAS program is showed in figure Figure The main menu of DAS program Verification of model As the ... suitable for base sliding analysis of low to medium height gravity dams, around 20-60m height In general, dams of this height have relatively high fundamental frequencies, which tend to be outside...

Báo cáo khoa học: "Leaf gas exchange and carbohydrate concentrations in Pinus pinaster plants subjected to elevated CO 2 and a soil drying cycle" doc

... under ambient [CO ] In a previous experiment on P pinaster [ 12] , the stimulation of CO assimilation rate under elevated [CO ] was maintained along a drying cycle, but leaf carbohydrate concentrations ... induce an accumulation in soluble carbohydrates even though stomatal conductance and CO assimilation rate are markedly lowered? 2) Will the stimulation of CO assimilation rate by elevated [CO induce ... showed that increasing the atmosincreased the CO assimilation rate and needle starch concentration all along the soil drying cycle in P pinaster However, in this drought-avoiding In conclusion,...

Báo cáo khoa hoc:" Length variation in mtDNA control region in hatchery stocks of European sea bass subjected to acclimation experiments" ppt

... cultured stocks of salmonids by restriction fragment length polymorphisms (RFLPs) in mtDNA demonstrated the existence of lower variation in cultured stocks For example, Ontario aquaculture stocks of ... than that of nuclear genes In conclusion, the mtDNA control region did not give any indication of selection acting on sea bass during the acclimation to freshwater However, the high levels of genotype ... the total length of the vertebrate mitochondrial genome (see review in Meyer [21, 22]) In vertebrates, the D-loop region often varies in length because of tandem duplications [23, 28J In fish, length...

Báo cáo khoa học: "Reproductive performance of Norwegian cattle from 1985 to 2005: trends and seasonality" potx

... semen from bulls of the NRF Figure every 5th year with 1985 (■)2005 percentages of breed (ᮀ) inseminations of first inseminations to and Total number of first inseminations (■) and percentages of ... in 1985 to 73.4% in 2002 (p < 0.001) and then declined to 72.7% in 2005 RR0-3 has increased from 6% in 1985 to 12% in 2005 (p < 0.001) The seasonal variation in NR60 every 5th year from 1985 to ... Reksen O, Tverdal A, Landsverk K, Kommisrud E, Boe KE, Ropstad E: Effects of photointensity and photoperiod on milk yield and reproductive performance of Norwegian red cattle J Dairy Sci 1999,...

Indoor tests to investigate the effect of brine depth on the performance of solar still

... and brine depth) The objective of this work is to investigate the effect of brine depth on the productivity and efficiency of solar still under laboratory conditions Table shows a summary of some ... summary of some of the studies cited in the literature that examined the effect of brine depth on productivity It can be seen from the table that some conflict on the effect of brain depth exists ... Increasing the brine depth decreases the productivity, the still productivity could be influenced by the brine depth by up to 48% for brine depth ranging from to 10 cm E O December to August Solar still...

Tài liệu Báo cáo " STABILITY OF THE ELASTOPLASTIC THIN ROUND CYLINDRICAL SHELLS SUBJECTED TO TORSIONAL MOMENT AT TWO EXTREMITIES " pptx

... Stability of the elastoplastic thin round cylindrical shells subjected to 25 The arc-length of the strain trajectory is calculated by the formula √ 3p ˙ ds ˙ = √ ... Table The results basing on the elasto-plastic theory Stability of the elastoplastic thin round cylindrical shells subjected to 29 Numerical results and discussion Example 1: Let us consider material ... 88 3.6 936 Table The calculating results according to the elastic theory Dao Van Dung, Hoang Van Tung 30 Stability of the elastoplastic thin round cylindrical shells subjected to 31 Dao Van...

Tài liệu Determinants of Productivity for Military Personnel - A Review of Findings on the Contribution of Experience, Training, and Aptitude to Military Performance pdf

... recruitment and retention programs of the armed forces Accurate data on the relationship between performance on the one hand and ability, experience, and training on the other would allow military officials ... years of service and military grade, (2) the effect of additional training on performance, and (3) the role of AFQT score as a proxy for personnel quality and productivity - EXPERIENCE AND PERFORMANCE ... asked to rate individual personnel and to answer a range of questions on the utilization of the individual, the conduct of job training, and the individual’s overall performance The supervisor was...

Improving the Reproductive Management of Dairy Cattle Subjected to Artificial Insemination potx

... IAEA-TECDOC-1533 Improving the Reproductive Management of Dairy Cattle Subjected to Artificial Insemination Publication prepared under the framework of an RCA project with the technical support of the Joint ... publisher, the IAEA, as to the legal status of such countries or territories, of their authorities and institutions or of the delimitation of their boundaries The mention of names of specific ... Data pertaining to 568 inseminations in cattle were collected according to the protocol of the Artificial Insemination Database Application (AIDA) Of these, 149 cows were subjected to clinico-gynaecological...

a study of the market's reaction to superior sustainability reporting as demonstrated by the financial performance of publicly traded companies

... was evaluated against the market to test the non-causal relationship between sustainability and risk and reward as the variables of interest Sustainability was considered as a manifestation of ... Sustainability Reporting Impact on Financial Performance 25 the engagement of an external auditor to attest to the fact that the financial statements fairly present the result of operations and ... Financial Performance 24 To facilitate this objective the SEC maintains the Electronic Data Gathering, Analysis, and Retrieval database (EDGAR), an online repository with key filings and financial...

Báo cáo toán học: " Electrochemical performance of NixCo1-xMoO4 (0 [less than or equal to] x [less than or equal to] 1) nanowire anodes for lithium-ion batteries" pptx

... Electrochemical performance of NixCo1−xMoO4 (0 ≤ x ≤ 1) nanowire anodes for lithium-ion batteries Kyung-Soo Park1, Seung-Deok Seo1, Hyun-Woo Shim1, and Dong-Wan Kim*1 Department of Materials ... fabrication of NixCo1−xMoO4 (0 ≤ x ≤ 1) nanowire electrodes by a hydrothermal method, followed by thermal post-annealing We also demonstrate the superior electrochemical performance of NixCo1−xMoO4 nanowires ... images of NixCo1−xMoO4 (0 ≤ x ≤ 1) nanowires obtained by post-annealing the NixCo1−xMoO4·nH2O nanowire precursors at 500°C for h All postannealed samples maintained their pristine nanowire morphologies...

báo cáo hóa học: " TCP NCE: A unified solution for non-congestion events to improve the performance of TCP over wireless networks" docx

... throughput when the accuracy increases Fairness of TCP NCE Fairness is a measure of the relative throughput performance of a set of TCP flows of the same type To investigate the fairness performance, 10 ... number of fast retransmissions TCP NCE can limit the retransmission by using the information from the network Accuracy of TCP NCE Accuracy is another performance metric we used to evaluate the performance ... is the TCP s estimation of the end -to- end RTT delay at time t n , L n the size of the data, t n-1 the arrival time of the previous ack, and tn the arrival time of nth packet at the receiver The...

Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx

... enable the calculation of the cost of a path, based on the LQI values of all links Therefore, we chose to evaluate the performance of these LQI-based routing metrics for NST-AODV Note that the PATH-DR ... data transmission rate for each node to allow for a link quality estimation [5] 4.5 MultiHopLQI One of the ﬁrst attempts at a link quality estimator for a routing protocol based on the LQI was ... for the nature of NST-AODV (i.e., they not require transmission of additional control messages); and (iii) they take into account the qualities of all the links of a path in the computation of...

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