... terms These methods of analyses are discussed in the following paragraphs a Response-spectrum Analysis The response-spectrum method of analysis uses a response-spectrum representation of the seismic ... 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 ... masses are at least 90 percent of the total mass of the structure b Time-history Analysis Time-history analysis should be performed when the maximum stress values computed by the response-spectrum...
Ngày tải lên: 28/04/2014, 11:50
... Ramps can be used for slopes up to 10 degrees without special precautions and up to 15 degrees if nonslip surfaces are provided Stairs can be used for slopes up to 40 degrees Spiral stairs or ... 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, ... temperature data as early in the design process as possible to verify the assumed temperatures (1) During the discussion of reservoir temperatures, it was pointed out that daily water temperature fluctuations...
Ngày tải lên: 28/04/2014, 11:50
seepage analysis and control for dams - u.s. army corps of engineers - part a
... ROCK FOUNDATIONS AND ABUTMENTS General Considerations Cutoff Trenches Abutment Impervious Blankets Drainage and Grouting Galleries and Tunnels Grouting of Foundations and Abutments Surface ... arch dams are subject to seepage through the foundation and abutments. Seepage control is necessary to prevent excessive uplift pressures, sloughing of the downstream slope, piping through the ... foundation, and abutments. Concrete gravity and arch dams are subject to seepage through the foundation and abutments. Seepage control is necessary to prevent excessive uplift pressures, sloughing...
Ngày tải lên: 28/04/2014, 11:51
seepage analysis and control for dams - u.s. army corps of engineers- part b
... 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 ... 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 ... in a graduated series of weights joined by interlocks to form a continuous cutoff wall as shown in figure 9-16. Steel sheetpiling is not recommended for use as a cutoff to prevent underseepage...
Ngày tải lên: 28/04/2014, 11:51
gravity dams design - u.s. army corps of engineers
... mean smooth response spectrum of theresponse spectra of records chosen should be presentedfor each damping value of interest The statistical level of response spectra used should be justified based ... stress Specificcreep is creep under unit stress Specific creep of massconcrete is in the range of 1.4 × 10-6 /pounds per squareinch (psi) i Modulus of elasticity. The instantaneous loadingmodulus ... part of the downstream face may be required to reduce foundation pressures In locations of slope changes, stress concentrations will occur Stresses should be analyzed in these areas to assure...
Ngày tải lên: 28/04/2014, 11:51
Abortion policy and teen reproductive behavior in the u s, the case of parental involvement laws
... requirement. This behavior persists even 4 years after introduction of Texas’s law. We provide some suggestive evidence that exposure to the risks associated with second-trimester abortions increased among ... the 3 comparability of those exposed and unexposed to the law. Finally, while most previous studies are biased due to the difficulty in obtaining accurate counts of abortions to minors which occur outside their ... the Guttmacher Institute. Figure 1 compares the statistics on the total number of abortions in Texas that were reported to the TDSHS to those based on the Guttmacher Institute’s survey of abortion...
Ngày tải lên: 01/10/2015, 16:15
A typology of supports for first generation college students in the u s the role of leadership and collaboration
... Typology of Supports for First Generation College Students in the U.S Bourdieu’s concept of social reproduction through educational systems is directly related to habitus (1990) As students whose habitus ... Typology of Supports for First Generation College Students in the U.S Next, the focus of support programs seems to be on cognitive factors such as academic preparedness With this focus, programs often ... Framed by Bourdieu’s theories of habitus and social reproduction, institutionally supporting first generation college students is disruptive to the societal status quo Envisioning the cultural capital...
Ngày tải lên: 03/06/2017, 21:35
An analysis of the inaugural address by g w bush in the u s president election 2004 from a perspective of discoure analysis
... 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 ... words: overuse of vocabulary on security and freedom cause pursued by the U.S government Nguyen Thi Huyen Le – Vinh Uni 32 AN ANALYSIS OF THE INAUGURAL ADDRESS BY G.W BUSH IN THE U.S PRESIDENTIAL ... PERSPECTIVE OF D.A 3.2.3 Pronoun choice This speech shows various evidences expressing the speaker’s authority by means of pronoun we inclusively We is used instead of I throughout the text This...
Ngày tải lên: 18/12/2013, 10:08
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 ... bridges (including culverts), railway bridges, tunnels, and other transportation structures carrying or passing over a public highway The NBI includes data for structures located in all states plus...
Ngày tải lên: 20/12/2013, 20:15
Tài liệu Fertility, Family Planning, and Reproductive Health of U.S. Women: Data From the 2002 National Survey of Family Growth doc
... data sets such as the U.S Census 2000, the National Vital Statistics System, and other very large surveys can produce reliable statistics on mixed-race respondents Unfortunately, the NSFG’s sample ... major census regions: Northeast, Midwest, South, and West These regions, which correspond to those used by the U.S Bureau of the Census, are as follows: Region States included Northeast Maine, ... voluntariness or wantedness of first sexual intercourse among respondents 18–44 years of age The first one asked how much first intercourse was wanted, and is defined under ‘‘wantedness of first...
Ngày tải lên: 13/02/2014, 10:20
Tài liệu Déjà Vu All Over Again: The Causes of U.S. Commercial Bank Failures This Time Around* docx
... likelihood of failure LLR (Loan Loss Reserves): Since loan loss reserves represent a reduction in assets against anticipated losses on specific assets (e.g., a loan), they provide a source of strength ... five of the six CAMELS 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 ... Almost all U.S housing statistics lump one-to-four residential units into the single-family category 10 Table 2B: Descriptive Statistics for 2007 Data Descriptive statistics for variables used...
Ngày tải lên: 16/02/2014, 03:20
Tài liệu Federal Credit Supplement Budget of the U.S. Government Fiscal Year 2013 doc
... Program Disbursement Rate Assumptions Underlying the 2013 Subsidy Estimates 81 Table 10 - Loan Guarantee Program Disbursement Rate Assumptions Underlying the 2013 Subsidy Estimates 85 ... due to technical assumptions Current reestimate amount ($ thousands) Net lifetime reestimate amount ($ thousands) Net lifetime reestimate amount, excluding interest ($ thousands) Total disbursements ... technical assumptions Current reestimate amount ($ thousands) Net lifetime reestimate amount ($ thousands) Net lifetime reestimate amount, excluding interest ($ thousands) Total disbursements to date...
Ngày tải lên: 16/02/2014, 03:20
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 ... of business conditions in the communities they serve In this way, the bifurcated banking system has served the needs of a diverse U.S economy composed of businesses of all shapes and sizes and ... Role of Community Banks in the U.S Economy T he U.S banking system is unusual in consisting not only of some very large banks but also a large number of relatively small community banks This bifurcated...
Ngày tải lên: 16/02/2014, 11:20
Tài liệu Faultlines of Conflict in Central Asia and the South Caucasus - Implications for the U.S. Army docx
... Thus, decisions on future U.S nuclear 118 Future Roles of U.S Nuclear Forces: Implications for U.S Strategy strategy depend critically on issues not associated directly with nuclear weapons (e.g., ... Roles of U.S Nuclear Forces: Implications for U.S Strategy • Because the consequences are so great, the need for safeguards to avoid accidents, incidents, unauthorized use, mistakes, or theft of ... A Spectrum of Nuclear Strategic Options Abolition Aggressive Reductions and “Dealerting” “Business as Usual, Only Smaller” A More Aggressive Nuclear Posture Nuclear Emphasis Some...
Ngày tải lên: 17/02/2014, 11:20
Tài liệu Financial Management Guide: U.S. Department of Homeland Security ppt
... Governments, and Non-Profit Organizations Audits of Commercial/For-Profit Organizations Audits of Subrecipients Distribution of Reports Technical Assistance 43 Audits Audit Requirements for States, ... and allowance of costs Audit Guidelines: OMB Circular A-133, Audits of States, Local Governments, and Non-Profit Organizations This Circular provides requirements regarding audits of State, local ... this Guide include, but are not limited to: administrators, financial management specialists, grants management specialists, accountants, and auditors These individuals are to use the Guide as...
Ngày tải lên: 17/02/2014, 21:20
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
... Admittedly, the two formulations use very different measurements of size The passenger ships’ measure of GRT is a volumetric measurement, whereas the naval ships’ measure is weight based (LSW) Bibliography ... This escalation is about a third of that observed for the U.S naval ships However, some of the true increase might be masked by productivity gains in manufacturing passenger vessels Without specific ... Due to Standards, Regulations, and Requirements Vessel Type Annual Escalation Rate (%) Submarines 2.0 All other ships 1.7 86 Why Has the Cost of Navy Ships Risen? Total Contribution of Factors...
Ngày tải lên: 17/02/2014, 22:20
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
... estimates of T&E costs for future programs. In t Software Cost Estimation and Sizing Methods, Issues and Guide- lines, MG-269-AF, Shari Lawrence Pfleeger, Felicia Wu, and Rosalind Lewis ... programs to derive lessons for the Air Force and other Services to improve the acquisition of future systems. In t Price-Based Acquisition: Issues and Challenges for Defense Depart- ment Procurement ... INSTITUTE and PROJECT AIR FORCE 8IZ)BTUIF$PTU PG'JYFE8JOH "JSDSBGU3JTFO ".BDSPTDPQJD&YBNJOBUJPOPGUIF 5SFOETJO64.JMJUBSZ "JSDSBGU$PTUTPWFSUIF1BTU...
Ngày tải lên: 17/02/2014, 23:20
Tài liệu PSEUDO-SECRETS: A Freedom of Information Audit of the U.S. Government’s Policies on Sensitive Unclassified Information doc
... 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 ... Administration SBU—sensitive but unclassified SEC—Securities and Exchange Commission SGI-M—safeguards information-modified handling SGI—safeguards information SHSI—sensitive homeland security information SIOP-ESI—Single ... operations force(s); strategic offensive forces; status of forces SPECAT—special category designations for classified information, used by Department of Defense SSA—Social Security Administration SSI—sensitive...
Ngày tải lên: 18/02/2014, 05:20
Tài liệu Building the U.S. e Battery Industry of Electric Drive Vehicles ppt
... Professor of Economics Graduate School of Business Stanford University Laura D’Andrea Tyson S.K. and Angela Chan Professor of Global Management Haas School of Business University of ... vehicles such as Consumer Electronics and Grid Storage Established companies with good balance sheets... Vehicles: Summary of a Symposium OVERVIEW 5 In her introductory remarks at the symposium, ... Academy of Sciences. All rights reserved. Building the U.S. Battery Industry for Electric Drive Vehicles: Summary of a Symposium vi PROJECT STAFF Charles W. Wessner Study Director McAlister...
Ngày tải lên: 18/02/2014, 21:20
Tài liệu French Trust Reporting Rules Should Not Apply to U.S. CIVs Regulated under the Investment Company Act of 1940 pptx
... business trust (sometimes called a “statutory trust”). Mutual funds have officers and directors (if the fund is organized as a corporation) or trustees (if the fund is organized as a business ... degree of oversight and accountability. BACKGROUND: TYPES OF U.S. 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 ... types of possible custody arrangements for mutual funds. 11 Each mutual fund stands on its own. It will generate gains or losses based on the performance of its portfolio, less its expenses,...
Ngày tải lên: 19/02/2014, 14:20