design of plain concrete slabs pg 360r 19

... Beam Design Forces • Design of Uncracked Joints • Reinforcement for Joint Force Transfer 38.6 Column Footing DesignSeismic Demand • Flexural Design • Shear Design • Joint Shear Cracking Check • Design ... Design of Joint Shear Reinforcement 38.1 Introduction This chapter provides an overview of the concepts and methods used in modern seismic design ofreinforced concrete bridges Most of the design ... ColumnsEarthquake Load • Fundamental Design Equation • Design Flexural Strength • Moment–Curvature Analysis • Transverse Reinforcement Design38.4 Shear Design of Columns Fundamental Design Equation • Current...

Ngày tải lên: 08/07/2014, 12:20

... modulus of elasticity of concrete modulus of elasticity of concrete at transfer of stress modulus of elasticity of prestressing strand modulus of elasticity of steel flexural stiffness of compression ... tensile stress in concrete at serviceloads specified yield stress, or design yield stress ofnonprestressed reinforcement design yield stress of steel of bearing platedesign yield stress of steel for ... pressure moment of inertia of cracked section with rein-forcement transformed to concrete effective moment of inertia for computation of deflection (Chapter 8) moment of inertia of gross concrete section...

Ngày tải lên: 24/10/2014, 16:04

... shear design of webs by several researchers, including Gambarova (1979), Dei Poli et al (1987, 1990), Kupfer et al (1979, 1983), Kirmair (1987), Kupfer and Bulicek (1991), and Reineck (1990, 1991a) ... and Porasz(1989), Stevens et al (1991), Belarbi and Hsu (1991), Martiand Meyboom (1992), Vecchio et al (1994), Pang and Hsu(1995), and Zhang (1995) A summary of the results of many of these studies ... trans-to the work of Hamadi (1976), Walraven (1980), Walravenand Reinhardt (1981), Gambarova (1981), Daschner andKupfer (1982), Hsu et al (1987), Nissen (1987), and Tassiosand Vintzeleou (1987) An extensive...

Ngày tải lên: 24/10/2014, 17:26

... Thickness design of a concrete pavement focuses on concrete strength, formation support, load transfer conditions, and design traffic Design traffic is referred to within the context of the traffic ... Moisture con-tent is often determined as a function of the maximum density Modulus of rupture—in accordance with ASTM C 78, a measure of the tensile strength of a plain concrete beam in flexure ... stresses to acceptable levels Concrete pavement design focuses on limiting tensile stresses by properly selecting the characteristics of the concrete slab The rigidity of concrete enables it to distribute...

Ngày tải lên: 24/10/2014, 22:11

... Chapter 8 -Design of post-tensioned slabs on grade, pg 360R- 27 8.1-Notation 8.2-Definitions 8.3-Introduction 8.4-Applicable design procedures 8.5-Data needed for design of reinforced slabs 8.6 -Design ... account for these factors accurately CHAPTER 5 -DESIGN OF PLAIN CONCRETE SLABS 5.1-Introduction Slabs on grade are frequently designed as plain concrete slabs where reinforcement, if used in any form, ... joints Design variables are the modulus of elasticity of the concrete the modulus of subgrade reaction, diameter of the loaded area, the spacing of the wheels, the concrete s modulus of rupture...

Ngày tải lên: 24/10/2014, 17:26

... cost of 13.3 percent of the output loss, while elimination of preferential rules of origin accounts for the remaining 23.3 percent of increased welfare and 84.9 percent of the overall output ... world's largest importer of textiles and apparel, and it accounted for 17.0 percent of world imports of these goods in 2005 This high value of imports occurred in spite of U.S textile and apparel ... restriction since the 196 0s to the present day, most notably under the terms of the Multifibre Arrangement (MFA, 197 4 -199 4) and its successor, the Agreement on Textiles and Clothing (ATC, 199 5-2005), established...

Ngày tải lên: 12/04/2013, 16:17

... the aggregate price of high-value poultry, which is a function of the price of imports and the domestic price of high-value poultry, increases relative to the aggregate price of low-value poultry, ... region The values of the calibrated import prices are also a function of the value of the elasticity of substitution between import sources ( σ in figure 1) The smaller the value of this elasticity, ... G.M Scobie 198 7 “A Differentiated Goods Model of the Effects of European Policies in International Poultry Markets.” Southern Journal of Agricultural Economics (July): 59-68 Ames, G 199 8 “Non-tariff...

Ngày tải lên: 08/03/2014, 09:20

... accuracy of the device itself The response time of a temperature sensor is dependent on many factors, but in essence it is a function of heat content of the vapors, mass of the sensor, surface area of ... time of 200 s, this equates to a rate of change of 0.125 ° C / s This implies that under such circumstances, ᭿ the rate of change of the vapor temperature is faster than the response time of the ... evaporation of all liquid from the bottom of the flask Dry Point ͑DP͒—The corrected temperature reading that is observed at the instant the last drop of liquid ͑exclusive of any drops or film of liquids...

Ngày tải lên: 01/04/2014, 11:24

... Ministry of Health 38 E Problem of Commercial Registration and Suppression of Human Rights Organisations: Article 69 of the Regulation on the Administration of Company Registration and Revoke of ... ratified impose the obligation of respecting the freedom of association In 199 5, the government stated in the official human rights report that by the end of April 199 5, nation-level social organisations ... in the 197 0s and 198 0s Three areas saw the most prominent growth of domestic organizations in the 197 0s and 198 0s Firstly, in business sphere, the economic reform enhanced the complexity of the...

Ngày tải lên: 13/10/2015, 16:50

... bảo vệ động vật biển có vú 197 2 (MMPA) b Luật bảo tồn cá heo quốc tế c Luật Chương trình bảo tồn cá heo quốc tế 199 7 d Mục 609 Luật công Hoa Kỳ 101-162 e Đạo luật năm 197 3 loài động vật có nguy ... vật có nguy bị diệt chủng g Điều Luật bảo vệ ngư dân 197 6 h Luật thực thi lệnh cấm đánh cá khơi xa lưới quét i Luật bảo tồn chim rừng năm 199 2 2.2.2 Một số vụ tranh chấp thƣơng mại liên quan ... Process and Challenges, Hanoi 14 Damien J Neven (2000), Evaluating the effects of non-tariff barriers, University of Lausanne 15 The Australian APEC Study Centre-Monash University (2003), European...

Ngày tải lên: 06/02/2014, 20:27

... packaged in bubblers of the same design as in Fig Because of the lack of bubble formation and the uncertain surface area of the solid, the condensed phase of the source will often not be in equilibrium ... Venhoff, E., J Cryst Growth, 68:148 (198 4) 39 Ban, V S., J Cryst Growth, 17 :19 (197 2) 40 Sax, N I., Dangerous Properties of Industrial Materials, Van Nostrand Reinhold Company, New York (197 9) ... because of some of the remaining present and historical limitations of MOCVD For Chapter 4: MOCVD Technology and Equipment 153 example, the importance of purity in the efficient operation of detectors...

Ngày tải lên: 14/02/2014, 03:20

... Washington Office of Archaeology and Historic Preservation regarding the types of technical assistance provided to communities and/or owners of historic properties For example, they offer 'design ... the competition is fierce with an ample supply of "ready-to-go" sites outside of Castle Rock - nearly 5,000 acres of available industrial land Office space is limited and selected retail/commercial ... the design help of a landscape architect, initiate landscape improvements (trees, plants, flowers) along the road toward downtown Create some general landscape design guidelines that recommend design...

Ngày tải lên: 18/02/2014, 07:20

... differentiations Residual of the number of legal differentiations Residual of % of firms with female management 40 Residual of the number of legal differentiations Residual of % of firms with female ... community of property;” Deferred full or partial community of property— the rules of partial or full community of property apply at the time of dissolution of the marriage (divorce or death of one of ... reinforced in the 198 1 revised Marriage Law, which stressed the equal rights and responsibilities of men and women within marriage The 198 2 Constitution and the 198 5 Law of Succession of the People’s...

Ngày tải lên: 06/03/2014, 10:20

... electronic networking - page Capacity barriers Lack of Capacity Building Skills Some of the main areas of capacity building and for the effective functioning of shared resources - such as a telecentres ... sensitivity in the design of training, as well as to more innovative forms of adult training such as mentorship Women’s double work burden takes its toll on their achieving a level of comfort with ... acceptance of outcomes of the online community can be difficult and are closely linked with training This is why your training initiative is essential to the project’s success Capacity barriers Lack of...

Ngày tải lên: 08/03/2014, 20:20

... Physical Sciences Engineering 10 74 19 77 19 80 19 83 19 86 19 89 992 995 998 001 004 19 2 Year FIGURE 1-1 Percentage of science and engineering PhDs awarded to women, 197 42004 SOURCE: National Science ... achievements of engineers Dr Wm A Wulf is president of the National Academy of Engineering The Institute of Medicine was established in 197 0 by the National Academy of Sciences to secure the services of ... University of Washington ALICIA CARRIQUIRY, Associate Provost and Professor of Statistics, Iowa State University FRANK DOBBIN, Professor of Sociology, Harvard University RON EHRENBERG, Professor of Industrial...

Ngày tải lên: 14/03/2014, 19:20