control of deflection in concrete structures

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Ngày tải lên: 26/10/2012, 10:04

... vaccination, considera- tions and recommendations for the use of BCG vaccine in selected persons, and implementation and surveillance of BCG vaccination. BCG VACCINES BCG vaccines are live vaccines ... of BCG Vaccine in the Prevention and Control of Tuberculosis in the United States A Joint Statement by the Advisory Council fo...

Ngày tải lên: 15/02/2014, 13:20

... Health in Prisons: A WHO Guide to the Essentials in Prison Health. Geneva: WHO. www.euro.who.int /prisons GUIDELINES FOR CONTROL OF TUBERCULOSIS IN PRISONS 40 CASE FINDING AND SCREENING IN PRISONS ... helps to maintain order. 3 GUIDELINES FOR CONTROL OF TUBERCULOSIS IN PRISONS 20 GUIDELINES FOR CONTROL OF TUBERCULOSIS IN PRISONS 20 TUBER...

Ngày tải lên: 06/03/2014, 04:20

... Challenges in the Progressive Control of FMD in South Asia –February 2012- New Delhi 38 NOTES Scientific Developments and Technical Challenges in the Progressive Control of FMD in South Asia –February ... progressive control 27 Common vaccines for Eurasia a, o and asia -1, the way to go? 27 FMD vaccines and vaccination in Indi...

Ngày tải lên: 18/03/2014, 00:20

... compilation ª 2006 FEBS 1985 Determining and understanding the control of glycolysis in fast-growth tumor cells Flux control by an over-expressed but strongly product-inhibited hexokinase Alvaro Marı ´ n-Herna ´ ndez 1 , ... activity and isozymic profile of human phospho- fructokinase during malignant transformation in vivo and in vitro: trans...

Ngày tải lên: 30/03/2014, 11:20

... ARTICLE Side-chain control of b-peptide secondary structures Design principles Tama ´ s A. Martinek and Ferenc Fuăloăp Institute of Pharmaceutical Chemistry, University of Szeged, Hungary As one of ... that have been performed on the side-chain dependence of the stability of the folded structures allow certain conclusions concerning the principles of design...

Ngày tải lên: 31/03/2014, 07:20

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Ngày tải lên: 19/06/2014, 08:20

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Ngày tải lên: 21/06/2014, 06:20

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Ngày tải lên: 22/06/2014, 12:20

... 224R-11 3.1—Introduction 3.2—Cause of cracking due to drying shrinkage 3.3—Drying shrinkage 3.4—Factors controlling drying shrinkage of concrete 3.5 Control of shrinkage cracking 3.6—Shrinkage-compensating ... in ACI 209R. Cracking due to drying shrinkage can never be eliminated in most structures. This chapter cov- ers cracking of hardened concrete due to drying shr...

Ngày tải lên: 24/10/2014, 15:46

... dimensionless strain (in. /in. or m/m) under steady conditions of relative humidity and temperature. The above definition includes drying shrinkage, auto- genous shrinkage, and carbonation shrinkage. a) Drying ... discussed in Chapter 5. 3.4-Effect of cracking in reinforced and prestressed members To include the effect of cracking in the determination of an effectiv...

Ngày tải lên: 24/10/2014, 16:03

... deflection of a two- way reinforced concrete slab. Chapter 5, “Reducing Deflection of Concrete Members,” gives practical and remedial guidelines for improving and controlling the deflection of ... strain in the extreme com- pression fiber of a concrete element (0.003 in. /in. ) strain at first cracking load strain in prestressed reinforcement at ultimate flexure u...

Ngày tải lên: 24/10/2014, 17:25

... in reinforcement continues to increase with increasing strain until the reinforcement ruptures. The only condition of known forces in an FRP reinforced beam is the balanced condition where the concrete ... concrete; concrete construction; design; external reinforcement; fibers; fiber reinforced plastic (FRP); mechanical properties; polymer resin; prestressed concrete; rein...

Ngày tải lên: 24/10/2014, 17:25

... 201.2R). 1.3.4 Weathering-The weathering processes that can cause cracking include freezing and thawing, wetting and drying, and heating and cooling. Cracking of concrete due to natural weathering is usually ... in concrete cover will reduce settlement cracking. 1.3-Cracking of hardened concrete 1.3.1 Drying shrinkage-A common cause of cracking in concrete is rest...

Ngày tải lên: 24/10/2014, 17:37

... report describes the state -of- the- art of finite element analysis of fracture in concrete. The two dominant techniques used in finite element modeling of fracture the dis- crete and the smeared approaches—are ... 446.3R-32 CHAPTER 1—INTRODUCTION In this report, the state -of- the- art in finite element modeling of concrete is viewed fro...

Ngày tải lên: 24/10/2014, 21:58