u s customs examination of goods
arch dam design - u.s. army corps of engineers - part a
... works, may accommodate control devices and the necessary auxiliary appurtenances such as trashracks, fish screens, and bypass devices (Figure 3-8) An intake structure usually consists of a submerged ... for use by USACE districts A brief description is as follows: 1-1 EM 1110-2-2201 31 May 94 (1) Arch Dam Stress Analysis System (ADSAS) (U. S Bureau of Reclamation (USBR) 1975) This is the computerized ... addition, the bursting effect from hydrostatic pressures will cause tensile stresses at the periphery of the conduit Such tensile stresses and possible propagation of concrete cracking usually extend...
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arch dam design - u.s. army corps of engineers - part b
... instantaneous modulus of elasticity is the static modulus of elasticity, as determined by CRD-C 19 (USAEWES 1949) The modulus of elasticity in tension is usually assumed to be equal to that in compression ... considered: instantaneous modulus of elasticity; sustained modulus of elasticity; and dynamic modulus of elasticity Dynamic modulus of elasticity will be discussed in a separate section (a) The instantaneous ... Companion series of shear strength tests should be conducted at several different normal stress values covering the range of normal stresses to be expected in the dam These values should be used to...
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seepage analysis and control for dams - u.s. army corps of engineers - part a
... paths, seepage patterns, and uplift pressures The permeability of fissure systems should be evaluated by a discontinuum method of analysis when the size, frequency, and orientation of such systems ... conductivity of a rock mass It is defined as the volume of a fluid of unit viscosity passing through a unit cross section of a medium in unit time under the action of a unit pressure gradient (Section ... angular sand particles with rough surfaces than for rounded sand particles with smooth surfaces (Burmister 1948) For uniform cohesionless soils, crushing of particles during compaction with resulting...
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seepage analysis and control for dams - u.s. army corps of engineers- part b
... Figure 9-18 b Design Considerations In alluvial valleys, frequently soils consist of fine-grained top stratum of clay, silt, and silty or clayey sand underlain by a pervious substratum of sand ... required for use with upstream blankets to control underseepage and/or prevent excessive uplift pressures and piping through the foundation Upstream impervious blankets are used in some cases to reinforce ... its simpler structural form is a rigid diaphragm and earthquakes could cause its rupture For this reason concrete cutoff walls should not be used at a site where strong earthquake shocks are (1)...
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gravity dams design - u.s. army corps of engineers
... Static and Dynamic Stress Analyses 5-1 Stress Analysis a General (1) A stress analysis of gravity dams is performed to determine the magnitude and distribution of stresses throughout the structure ... through shear keys, buttresses, underpinning, etc., are also possible ways of improving stability b Reducing uplift forces In many instances, measured uplift pressures are substantially less than ... Tensile stresses will occur in the anchorage zone of prestressed anchors The possibility of foundation cracking as a result of these tensile stresses must be considered It is possible that cracks in...
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Abortion policy and teen reproductive behavior in the u s, the case of parental involvement laws
... Chair of Examining Committee Professor Thom Thurston Date Executive Officer Professor Theodore Joyce Professor Michael Grossman Professor Sanders Korenman Supervisory Committee CITY UNIVERSITY OF ... characteristic such as age or race, but not both The advantage of studies based on aggregate data is that most states are represented, and this permits analyses based on pooled time-series cross-sections ... laws Section describes our data in detail In section 4, we discuss our outcomes and estimation strategy, and present our findings Section concludes Background and Literature Review 2.1 Conceptual...
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Tài liệu Why Has The Cost of Navy Ships Risen - A Macroscopic Examination of the Trends in U.S. Naval Ship Costs Over the Past Several Decades doc
... exceeding what is ultimately purchased, discourage shipyards from making investments that could ultimately reduce the cost of ships More importantly, an unstable business base causes fluctuations in the ... Operations (CNO), noted cost increases of four types of ships—nuclear attack submarines (SSNs), guided missile destroyers (DDGs), amphibious ships, and nuclear aircraft carriers (CVNs)—between ... on a ship, regulations it imposes for standards and requirements in shipbuilding practices, and methods it uses to purchase ships These customer-driven factors increase design and construction...
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Tài liệu Why Has the Cost of Fixed-Wing Aircraft Risen - A Macroscopic Examination of the Trends in U.S. Military Aircraft Costs over the Past Several Decades pptx
... (such as radar), other mission systems (such as electronic countermeasures, communications, targeting systems, guns, and missiles), and propulsion systems To understand how price changes in these ... reducing signatures (i.e., reducing the possibility of detection by sensors such as radar) Equipment comprises all systems such as avionics (electronics to control the aircraft), sensors (such ... data sources, including their limitations Second, we discuss how to measure cost escalation Third, we assess how cost escalation for aircraft compares with other measures of cost inflation such as...
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Air and Noise Pollution Abatement Services: An Examination of U.S. and Foreign Markets ppt
... hexaflouride SO2 Sulfur dioxide SO3 Sulfur trioxide SOx Sulfur oxides STPS Ministry of Labor and Social Security, The (Mexico) TRI U. S Toxic Release Inventory UK United Kingdom xii UK-ETS United ... first step, as the means to ascertain the extent of air pollutant emissions, the degree of exposure to various risks from these pollutants, and the consequences of such exposure Monitoring of ... D D SD SD SD SD SD SA SA SA SA A A A A N N N N D D D D SD SD SD SD Other preferred source of information on this subject: Specify chapters, sections, or topics in report that are most useful:...
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An analysis of the inaugural address by g w bush in the u s president election 2004 from a perspective of discoure analysis
... findings answer the research questions Part 3: Conclusion summarizes the findings of the study, giving concluding remarks, implications, limitations of the study and suggestions for further studies ... account It is due to the fact that inaugural speech is obviously an actual use of language but the interpretation of that use needs non-linguistic features of the discourse 1.1.3.3 Features of ... political science The study is pure linguistic research, conducted with the aim to discuss what and how linguistic strategies contribute to the success and popularity of the speech Aims of the study...
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Tài liệu Material Usage and Condition of Existing Bridges in the U.S pptx
... the substructure is reused, “Year Built” remains the year of original substructure construction “Year Reconstructed” would then indicate the year the superstructure was replaced Such a situation ... material of the main span superstructure In structures incorporating approach spans, the main span superstructure material may differ from the approach span superstructure material In this case, the ... timber based on the superstructure material for the main span Values shown in the “Total” columns include bridges constructed using other materials such as masonry, aluminum, cast iron and wrought...
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Tài liệu Fertility, Family Planning, and Reproductive Health of U.S. Women: Data From the 2002 National Survey of Family Growth doc
... are subject to sources of nonsampling error These could include misunderstanding of questions on the part of the interviewer or respondent, nonuniformity in asking the questions, and possible ... nonintercourse (last years), method use each month (last years), method use with partners in past 12 months, wantedness and other circumstances surrounding each pregnancy, consistency of condom use, ... and weight, numbers of pregnancies, substance use, sex with males (including nonvoluntary sex and STD/HIV risking behaviors), sex with females, condom use at last sex of any type, sexual orientation...
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Tài liệu Déjà Vu All Over Again: The Causes of U.S. Commercial Bank Failures This Time Around* docx
... as measured by equity to assets was associated with a higher probability of failure, as was worse asset quality as measured by NPAs to assets, lower earnings as measured by ROA, and worse liquidity ... liquidity as measured by Cash & Due to assets, Investment Securities to assets, and Brokered Deposits to assets These results closely follow the univariate results presented in Panel A of Table ... years prior to failure but loses its significance during the two years prior to failure Robustness Checks and Extensions In this section, we provide a set of robustness checks on our basic results,...
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Tài liệu Federal Credit Supplement Budget of the U.S. Government Fiscal Year 2013 doc
... LOANS: ASSUMPTIONS UNDERLYING THE 2013 SUBSIDY ESTIMATES—Continued (In percentages, unless noted otherwise) Composition of Subsidy Agency, Bureau, Program and Risk Category Subsidy rate Defaults, ... LOAN GUARANTEES: ASSUMPTIONS UNDERLYING THE 2012 SUBSIDY ESTIMATES—Continued (In percentages, unless noted otherwise) Composition of Subsidy Agency, Bureau, Program and Risk Category Subsidy rate ... Loans: Assumptions Underlying the 2012 Subsidy Estimates Table - Loan Guarantees: Assumptions Underlying the 2012 Subsidy Estimates 13 Table - Direct Loans: Assumptions Underlying...
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Tài liệu The Role of Community Banks in the U.S. Economy pdf
... customers such as small businesses, family farmers, and depositors of low to moderate wealth Small business lending Community banks’ role as small business lenders is important because small businesses ... bifurcated banking system has served the needs of a diverse U. S economy composed of businesses of all shapes and sizes and consumers with diverse needs and preferences While community banks have ... banks in making small business loans First, some researchers have found that small banks earn higher rates of return on their small business loans than large banks, even after adjusting for loss...
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Tài liệu Faultlines of Conflict in Central Asia and the South Caucasus - Implications for the U.S. Army docx
... members, limited assets Leaders, bank accounts, linkages Variation of the usual Usual Usual Usual Usual Usual Usual Societal/ Organizational Vulnerabilities R aThe nature of the nuclear threats and ... Five looks at future U. S strategic choices and addresses a number of specific issues that affect those choices Chapter Six summarizes our conclusions Chapter Two NUCLEAR WEAPONS AND U. S SECURITY— ... States has used its nuclear forces for most of those purposes Even more significant, it has not used them in combat since Nagasaki Most notably, of course, the United States used nuclear weapons...
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Tài liệu Financial Management Guide: U.S. Department of Homeland Security ppt
... progress and success of G&T program initiatives Pre-planning strategies, such as the use of calendars and tickler files and their use through all planning phases, contribute towards program success ... guidelines for requirements.) All grantees, including subrecipients, should employ pre-planning strategies, to include such activities as threat and vulnerability assessments, needs assessments, and ... Organizations Audits of Subrecipients Distribution of Reports Technical Assistance 43 Audits Audit Requirements for States, Local Governments, and Non-Profit Organizations Grantees and subrecipients are...
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Tài liệu PSEUDO-SECRETS: A Freedom of Information Audit of the U.S. Government’s Policies on Sensitive Unclassified Information doc
... Official Use Only (FOUO) For Official Use Only (FOUO) Official Use Only (OUO) Sensitive But Unclassified (SBU) Limited Official Use (LOU) Sensitive But Unclassified (SBU) Sensitive But Unclassified ... (SBU) Sensitive But Unclassified (SBU) [DHS] Sensitive But Unclassified (SBU) [DHS] For Official Use Only (FOUO) [DOD] Computer Security Act Sensitive Info [DOD] Sensitive Security Information (SSI) ... Memorandum request was 9-702 business days, and two requests are still pending over 750 business days later The range for the sensitive unclassified information requests was 6-186 business days, and...
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Tài liệu Building the U.S. e Battery Industry of Electric Drive Vehicles ppt
... years Next Steps for A123 Spun out of the Massachusetts Institute of Technology in 2001, A123 makes lithium-ion batteries for products such as BAE Systems hybrid buses, Black & Decker power tools, ... cars still costs around $2,500 19 Unless gas prices skyrocket, some analysts believe costs must drop by around two-thirds and that battery size must shrink dramatically before most consumers see ... Massachusetts Institute of Technology Alan M Garber (IOM) Provost Harvard University Ralph E Gomory (NAS/NAE) Research Professor Stern School of Business New York University continued *As of September...
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