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during the u s housing boom of the mid 2000s

arch dam design - u.s. army corps of engineers - part a

arch dam design - u.s. army corps of engineers - part a

Vật lý

... 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 ... 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 ... occurrence of the cases in each group, they are labeled as Usual, Unusual, and Extreme loading cases It must be stressed that each dam is a unique structure, and there are many factors to consider...
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arch dam design - u.s. army corps of engineers - part b

arch dam design - u.s. army corps of engineers - part b

Vật lý

... separate section (a) The 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 ... types of deformations must be considered: instantaneous modulus of elasticity; sustained modulus of elasticity; and dynamic modulus of elasticity Dynamic modulus of elasticity will be discussed ... is expressed as the ratio of actual exposure to the sun s rays to the theoretical exposure This is required because the theoretical computations assumed a horizontal plane at the base of the structure,...
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seepage analysis and control for dams - u.s. army corps of engineers - part a

seepage analysis and control for dams - u.s. army corps of engineers - part a

Vật lý

... hydraulic 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 ... (Chugaev 1971) The upper limit is usually identified using Reynolds number, a dimensionless number that expresses the ratio of internal to viscous forces during flow It is often used in fluid ... Fissure Systems Fissure systems such as joints, fractures, and bedding planes can yield, or contribute to, unpredictable flow paths, seepage patterns, and uplift pressures The permeability of...
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seepage analysis and control for dams - u.s. army corps of engineers- part b

seepage analysis and control for dams - u.s. army corps of engineers- part b

Vật lý

... excessive uplift pressures and piping through the foundation Upstream impervious blankets are used in some cases to reinforce thin spots in natural blankets Effectiveness of upstream impervious ... desired results Usually the designer selects the radius and penetration and then determine the required spacing of the well system This becomes an iterative procedure wherein the designer assumes ... consistent values of a are obtained on two successive trials Usually the second trial spacing is sufficiently accurate If in step (j), (k) a modified procedure is used for the second trial: Assume...
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gravity dams design - u.s. army corps of engineers

gravity dams design - u.s. army corps of engineers

Vật lý

... 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 ... 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 ... test (ASTM C 496) or the modulus of rupture test (ASTM C 78) can be used to determine the strength of intact concrete Modulus of rupture tests provide results which are consistent with the assumed...
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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

An analysis of the inaugural address by g w bush in the u s president election 2004 from a perspective of discoure analysis

Khoa học xã hội

... comprehensively the political discourses Scope of the study The linguistic features of the inaugural address made by President G.W Bush in the U. S election 2004 will be the focus of this study Of the ... we may summarize as: (1) The addressor is a person who produces a piece of discourse (2) The addressee is a person who is the recipient of the discourse, thus possibly including the audience ... underlying the event Figure 1.2: Types of context The first of these is the linguistic context - the language that surrounds or accompanies the piece of discourse under analysis The second is non-linguistic...
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Tài liệu Material Usage and Condition of Existing Bridges in the U.S pptx

Tài liệu Material Usage and Condition of Existing Bridges in the U.S pptx

Kiến trúc - Xây dựng

... but 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 ... 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 ... 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 contribution...
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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

Tài liệu Fertility, Family Planning, and Reproductive Health of U.S. Women: Data From the 2002 National Survey of Family Growth doc

Sức khỏe phụ nữ

... error—Since the NSFG is a cross-sectional survey, some questions rely on respondents’ ability to recall events that occurred in the past, such as dates of first sexual intercourse and marriage For some ... all survey data, these data 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 ... Bureau of the ACF + The Office of the Assistant Secretary for Planning and Evaluation (OASPE) NCHS gratefully acknowledges the contributions of these programs and agencies, and all others who assisted...
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Tài liệu Déjà Vu All Over Again: The Causes of U.S. Commercial Bank Failures This Time Around* docx

Tài liệu Déjà Vu All Over Again: The Causes of U.S. Commercial Bank Failures This Time Around* docx

Ngân hàng - Tín dụng

... earnings as measured by ROA, and worse liquidity as measured by Cash & Due to assets, Investment Securities to assets, and Brokered Deposits to assets These results closely follow the univariate results ... modest Logit Regression Results In Table are the results of a set of logistic regression models that provide the main results of our study In these models, the dependent variable is equal to one if ... components and likely seriously misclassifies “problem banks.” For all of these reasons, we not consider Torna s study to be a close substitute for ours The second point that we wish to make in this section...
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Tài liệu Federal Credit Supplement Budget of the U.S. Government Fiscal Year 2013 doc

Tài liệu Federal Credit Supplement Budget of the U.S. Government Fiscal Year 2013 doc

Ngân hàng - Tín dụng

... 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

Tài liệu The Role of Community Banks in the U.S. Economy pdf

Ngân hàng - Tín dụng

... banking services These services are consumed mainly by smaller customers such as small businesses, family farmers, and depositors of low to moderate wealth Small business lending Community banks’ ... as small business lenders is important because small businesses account for a significant share of total output and employment growth While there is no single definition of a small business, the ... 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...
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Tài liệu Faultlines of Conflict in Central Asia and the South Caucasus - Implications for the U.S. Army docx

Tài liệu Faultlines of Conflict in Central Asia and the South Caucasus - Implications for the U.S. Army docx

Khoa học xã hội

... 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 the likely ... but the most extreme circumstances The array of problems associated with risks of accidental use of nuclear weapons, incidents, false alarms, mistakes, miscalculations, and unauthorized use of ... Russia and the United States and the rest of NATO suggest the danger of further friction in the future 26 Future Roles of U. S Nuclear Forces: Implications for U. S Strategy So far, there has been...
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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

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

Khoa học xã hội

... exists Nevertheless, given that the pressures on shipbuilding funds will continue in the foreseeable future, the Navy may need to continue seeking ways to reduce the costs of its ships—and this ... two broad classes: economy-driven and customer-driven Chapter Four discusses the issue of cost escalation from the perspective of shipbuilders Following this analysis, we discuss, in Chapter ... due to a systemic issue such as the increase of shipbuilding input cost (e.g., greater costs for labor or materials) A sustained increase might also be due to increased costs for a continuously...
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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

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

Khoa học xã hội

... radar) Equipment comprises all systems such as avionics (electronics to control the aircraft), sensors (such as radar), other mission systems (such as electronic countermeasures, communications, targeting ... 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 ... results of physical validation or testing Fourth, procurement quantities include only those purchased by USN and USAF Large foreign procurement of similar variants of some aircraft systems could...
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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

Tài liệu PSEUDO-SECRETS: A Freedom of Information Audit of the U.S. Government’s Policies on Sensitive Unclassified Information doc

Kế toán - Kiểm toán

... 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) DEA Sensitive ... discerned, but this was not possible with the material provided by most agencies Third, as of today, 258 business days since submission of the FOIA request for documents on sensitive unclassified ... could potentially undermine the security of the classification system Accordingly, agencies should be required to take steps to assess the cost of their sensitive unclassified information systems...
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Tài liệu Building the U.S. e Battery Industry of Electric Drive Vehicles ppt

Tài liệu Building the U.S. e Battery Industry of Electric Drive Vehicles ppt

Điện - Điện tử

... Vehicles: Summary of a Symposium U. S BATTERY INDUSTRY FOR ELECTRIC DRIVE VEHICLES the U. S has the supply base and skilled workforce to sustain a globally competitive industry These issues present ... means of reducing energy use and as an important manufacturing industry This is no less the case for the United States Currently, the transportation sector accounts for two-thirds of U. S petroleum ... batteries over five 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...
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Tài liệu French Trust Reporting Rules Should Not Apply to U.S. CIVs Regulated under the Investment Company Act of 1940 pptx

Tài liệu French Trust Reporting Rules Should Not Apply to U.S. CIVs Regulated under the Investment Company Act of 1940 pptx

Quỹ đầu tư

... CIVS U. S CIVs may be structured for securities law purposes in various forms The most common type of U. S CIV that is registered under the Investment Company Act is the mutual fund (also known as ... shareholders and limits the potential for systemic risk Mutual funds are regulated under all four of the major U. S securities laws: the Securities Act of 1933, which requires registration of the fund s ... disclosure of all material facts MUTUAL FUND ASSETS Mutual funds generally may invest in stocks, bonds, short-term money market instruments, other securities or assets, or some combination of these...
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Tài liệu China’s Holdings of U.S. Securities: Implications for the U.S. Economy pptx

Tài liệu China’s Holdings of U.S. Securities: Implications for the U.S. Economy pptx

Cao đẳng - Đại học

... Chinese products and lower U. S interest rates That subsidy helps to boost U. S consumption of Chinese products, which supports China s export industries However, the subsidy is at the expense of ... flows to the United States Thus, Chinese purchases of all types of U. S securities (not just Treasury securities) should be considered when attempting to understand the impact China s investment ... forces Chinese workers to save a significant part of their income That savings is used to finance the Chinese government s purchases of U. S securities Chinese purchases and holdings of U. S securities...
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Tài liệu A PRELIMINARY ANALYSIS OF THE EFFECTS OF HR 2454 ON U.S. AGRICULTURE doc

Tài liệu A PRELIMINARY ANALYSIS OF THE EFFECTS OF HR 2454 ON U.S. AGRICULTURE doc

Cao đẳng - Đại học

... industries Based on these considerations, the USDA analysis assumes HR 2454 imposes no uncompensated costs on nitrogen fertilizer manufacturers related to increases in the price of natural gas ... agricultural production stays the same.10 To assess the impacts of HR 2454 beyond 2018, we assume the underlying structure of the agricultural economy and the forces that shape the agricultural sector ... foreign industries These assumptions are consistent with the treatment of EITE industries, including nitrogen fertilizer manufactures, in the EPA analysis of HR 2454 Assessing the Impacts of Higher...
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Tài liệu Company ''''A'''', corps of engineers, U.S.A., 1846-''''48, in the Mexican war doc

Tài liệu Company ''''A'''', corps of engineers, U.S.A., 1846-''''48, in the Mexican war doc

Khoa học xã hội

... commenced from the house-tops, which continued, in various parts of the city through the day, causing us some loss The first shot, fired at a group of officers at the head of my column, struck down ... that an officer and non-commissioned officers should be ordered to the United States for the purpose of obtaining recruits for this company Such is the course pursued in every other arm of service: ... require such a user to return or destroy all copies of the works possessed in a physical medium and discontinue all use of and all access to other copies of Project Gutenberg-tm works - You provide,...
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