2—crack control equations for reinforced concrete beams

Debonding of externally bonded polypara phenylene benzobisoxazole (PBO) meshes for flexural strengthening of reinforced concrete beams

Debonding of externally bonded polypara phenylene benzobisoxazole (PBO) meshes for flexural strengthening of reinforced concrete beams

... MESHES FOR FLEXURAL STRENGTHENING OF REINFORCED CONCRETE BEAMS ADVISOR: ASSOC PROF BOONCHAI STITMANNAITHUM, D.Eng., CO-ADVISOR: PROF UEDA TAMON, D.Eng., pp T Nowadays, there are a lot of existing concrete ... strengthening systems based cement matrix for RC structures in technical literature such as the textile reinforced concrete (TRC) (A Bruckner 2005), the textile reinforced mortar (TRM) (Triantafillou ... DEBONDING OF EXTERNALLY BONDED POLYPARA PHENYLENE BENZOBISOXAZOLE (PBO) MESHES FOR FLEXURAL STRENGTHENING OF REINFORCED CONCRETE BEAMS Mr Chanh Thai Minh Tran Civil Engineering Associate Professor Boonchai...

Ngày tải lên: 12/05/2016, 15:40

120 575 0
Hybrid fiber reinforced polymer (FRP) system of carbon FRP laminate and sprayed glass FRP for strengthening reinforced concrete beams

Hybrid fiber reinforced polymer (FRP) system of carbon FRP laminate and sprayed glass FRP for strengthening reinforced concrete beams

... ACRONYMS ACI: American Concrete Institute CFRP: Carbon Fiber Reinforced Polymer FRP: Fiber Reinforced Polymer GFRP: Glass Fiber Reinforced Polymer SGFRP: Sprayed Glass Fiber Reinforced Polymer xii ... strengthened beams could fail by concrete crushing, similar to ove -reinforced concrete beams However, this failure mode is also much more brittle for the FRP-strengthened beams For both failure ... adding FRP shear reinforcement to a reinforced concrete beam or column In view of the shear ultimate strength method for reinforce concrete members, the design formula is straightforward, with an...

Ngày tải lên: 12/05/2017, 22:37

188 360 0
Shear strengthening of reinforced-concrete beams using advanced composite materials

Shear strengthening of reinforced-concrete beams using advanced composite materials

... strengthening of reinforced concrete (RC) beams using fibre -reinforced polymers (FRP) composites Several research problems related to shear strengthening still linger and therefore require further ... the performance of the beams strengthened using this method is significantly superior to that of the beams strengthened with EB FRP and NSM FRP methods Keyword: Concrete beams, Fibre -reinforced ... beam; (b) reinforced unstrengthened RC beam; (b) unreinforced strengthened RC beam; reinforced strengthened RC beam…………………………… ……62 Figure 3.4 Typical configuration of effective FRP width in beams...

Ngày tải lên: 12/05/2017, 22:38

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Concrete contribution to the shear resistance of FRP reinforced concrete beams

Concrete contribution to the shear resistance of FRP reinforced concrete beams

... f concrete beams reinforced with FRP bars will be presented in the following chapter 2.2 Shear in Reinforced Concrete Beams without Transverse Reinforcement The shear strength o f reinforced concrete ... shear strength Vc and behaviour o f FRP -reinforced concrete beams differ from those o f steelreinforced ones Therefore, concrete members longitudinally reinforced with FRP bars cannot be designed ... 2.3 Shear in Reinforced Concrete Beams with Transverse Reinforcement 17 2.3.1 Internal forces in a beam with transverse reinforcement 17 2.3.2 Role o f shear reinforcement in concrete beams 19 2.3.3...

Ngày tải lên: 27/06/2017, 13:16

279 333 0
Numerical analysis of externally prestressed concrete beams part 2

Numerical analysis of externally prestressed concrete beams part 2

... overall deformation of beams because of the lack of bond between the concrete and the cable -110- External Cable Imaginary concrete strain at cable level Deviator Concrete beam Fig.6.1 Imaginary concrete ... proposed method for the typical beams as well as for the beam with large eccentricities The proposed method of analysis can capture the behavior not only for simply supported beams but also for multiple ... method for cable strain A large number of analytical models for prestressed concrete beams with external cables were carried out in the past There were, however, extremely few analytical models for...

Ngày tải lên: 07/11/2012, 11:04

34 384 1
Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part3 pot

Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part3 pot

... Hawaii Tourism Authority: • 14 Execute formal contracts before contractors perform services; This is trial version www.adultpdf.com Chapter 2: Internal Control Deficiencies • • The Department’s ... Control Over Financial Reporting In planning and performing our audit, we considered the department’s internal control over financial reporting in order to determine our auditing procedures for ... lacks adequate controls over petty cash, and an excessive amount of cash is maintained in one of its petty cash accounts that does not earn interest income for the State Internal controls over...

Ngày tải lên: 18/06/2014, 20:20

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Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part4 pptx

Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part4 pptx

... It is used to account for all financial resources except those required to be accounted for in another fund Economic Development Special Revenue Fund – is used to account for programs related ... liability for the deferred revenue is removed from the statement of net assets and balance sheet and revenue is recognized Encumbrances represent commitments related to unperformed contracts for goods ... prepared in conformity with accounting principles generally accepted in the United States of America (GAAP), as applicable to governmental units The GASB is the accepted standard-setting body for establishing...

Ngày tải lên: 18/06/2014, 20:20

10 220 0
Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part5 doc

Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part5 doc

... life insurance benefits to all qualified employees For employees hired before July 1, 1996, the State pays the entire monthly health care premium for employees retiring with ten or more years of ... reimburse harbors for all losses in revenues and increased expenses, which may be incurred by harbors The corporation, harbors, and the developer agreed that in lieu of reimbursing harbors for losses ... General Support for Economic Development High Technology Development Corporation Energy Development and Management Natural Energy Laboratory of Hawaii Authority Office of Planning Foreign-Trade...

Ngày tải lên: 18/06/2014, 20:20

10 290 0
Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part6 docx

Chapter 2: Internal Control Deficiencies Establish written guidelines for the following loan_part6 docx

... as the checks then become vulnerable to theft Also, the check was for $40,000 and, based on the authority’s claims, was held for about a month The authority also noted that it will immediately ... technical contract management requirements At the same time, the authority will pursue legislative efforts for executive autonomy as a means of addressing the untimely execution of contracts Finally, ... banks could be improved Furthermore, the department indicated that the Auditor is misrepresenting information when stating that not all loan files contain a loan “checklist.” We stand by our finding...

Ngày tải lên: 18/06/2014, 20:20

10 219 0
Air Pollution Control Systems for Boiler and Incinerators Part 2 docx

Air Pollution Control Systems for Boiler and Incinerators Part 2 docx

... prepared for combustion by use of mechanical atomizing burners or twin oil burners In order for fuel oil to be properly atomized for combustion, it must meet the burner manufacturer's requirements for ... noncombustibles are removed and the waste is reduced to a more uniform size Environmental Protection Agency, "Control Techniques for Particulate Emissions from Stationary Sources" gives characteristics ... petroleum (butane and propane) are ideally suited for steam generation because they lend themselves to easy load control and require low amounts of excess air for complete combustion (Excess air is defined...

Ngày tải lên: 06/08/2014, 01:21

10 397 0
recommendations for design of beam-column connections in monolithic reinforced concrete structures

recommendations for design of beam-column connections in monolithic reinforced concrete structures

... 5—NOTATION Standard Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement A 970/ Standard Specification for Welded Headed Bars for A 970M Concrete Reinforcement Ab Ac = = area of ... sections 4.5—Development of reinforcement 4.5.1 Critical sections for development of longitudinal member reinforcement For beams, the critical section for development of reinforcement, either hooked ... at critical sections T = tension force; C = compression force; V = shear force; subscript b for beam; subscript c for column; and subscript s for slab 3.3.2 For Type connections, wherever integrally...

Ngày tải lên: 24/10/2014, 16:04

37 512 0
control of deflection in concrete structuresstate-of-the-art report on fiber reinforced plastic (frp) reinforceme

control of deflection in concrete structuresstate-of-the-art report on fiber reinforced plastic (frp) reinforceme

... reinforcing bars The study used test results to determine if the theory used for steel reinforced concrete can be used to predict the performance of concrete beams reinforced with GFRP reinforcing ... provided in any of the beams The percentage of reinforcement varied from 0.19 to 0.41 percent for FRP reinforced beams and from 0.22 to 0.45 percent for steel reinforced beams Tensile strength ... prediction for concrete beams reinforced with FRP The authors recognized that a methodology for shear strength prediction of FRP reinforced concrete needs to be developed independently from steel/concrete...

Ngày tải lên: 24/10/2014, 17:25

68 379 0
recommendations for design of slab-column connections in monolithic reinforced concrete structures

recommendations for design of slab-column connections in monolithic reinforced concrete structures

... Requirements for Reinforced Concrete 423.3R-83 Recommendations for Concrete Members Prestressed with Unbonded Tendons 352 R-85 Recommendations for Design of Beam-Column Joints in Monolithic Reinforced Concrete ... Shearhead Reinforcement,” Shear in Reinforced Concrete, SP-42, American Concrete Institute, Detroit, 1974, pp 847-879 18 Corley, W Gene, and Hawkins, Neil M., “Shearhead Reinforcement for Slabs,” ... 352.1R-16 MANUAL OF CONCRETE PRACTICE CHAPTER 6-REFERENCES 6.1-Recommended references American Concrete Institute 318-83 (1986) Building Code Requirements for Reinforced Concrete 318R-83 Commentary...

Ngày tải lên: 24/10/2014, 22:00

26 451 0
reinforced concrete design for thermal effects on nuclear power plant structures

reinforced concrete design for thermal effects on nuclear power plant structures

... j = - k/3 Eq (3-2) for f&r for a doubly reinforced section reduces to Mbf for a singly reinforced section (Eq [3-4]), with the substitution of (l.l)d for t in Eq (3-4) and for Q’n in Eq (3-2) ... distance from the concrete compression face to the compression reinforcement As' A modular ratio of 2n is used for the compression reinforcement The corresponding thermal moment for a section in ... substitution for kL is made in Eq (3-7) and Eq (3-9) The resulting expression for fc given by Eq (3-7) is used in Eq (3-11) Then Mbf is obtained by subtraction of Eq (3-9) from Eq (3-11) For singly reinforced...

Ngày tải lên: 24/10/2014, 22:00

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design considerations for steel fiber reinforced concrete

design considerations for steel fiber reinforced concrete

... Fiber Reinforced Concrete Beams, ” Fiber Reinforced Concrete- International Symposium, SP- 81, American Concrete Institute, Detroit, pp l-16 Johnston, C D., 1980,“Properties of Steel Fibre Reinforced ... of Reinforced Fibrous Concrete Columns,” Fiber Reinforced Concrete- International Symposium, SP81, American Concrete Institute, Detroit, pp 69-105 Criswell, M E., Aug 1976, “Shear in Fiber Reinforced ... Strength of Concrete, ”Fiber Reinforced Concrete, SP44, American Concrete Institute, Detroit, pp 195-207 Williamson, G R., June 1978,“Steel Fibers as Web Reinforcement in Reinforced Concrete, ”...

Ngày tải lên: 24/10/2014, 22:11

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guide for specifying, proportioning, mixing, placing, and finishing steel fiber reinforced concrete

guide for specifying, proportioning, mixing, placing, and finishing steel fiber reinforced concrete

... Requirements for Reinforced Concrete 347-R Guide to Formwork for Concrete 506.1R State-of-the-Art Report on Fiber Reinforced Shotcrete 544.1R State-of-the-Art Report on Fiber Reinforced Concrete 544.2R ... Fiber Reinforced Concrete Beams, ” Fiber Reinforced Concrete, SP-81, American Concrete Institute, Detroit, pp 1-16 Johnston, C.D., 1980, “Properties of Steel Fibre Reinforced Mortar and Concrete, ” ... for Unit Weight, Yield STEEL FIBER REINFORCED CONCRETE and Air Content (Gravimetric of Concrete) C 143 Standard Test Method for Slump for Portland Cement Concrete C 173 Standard Test Method for...

Ngày tải lên: 24/10/2014, 22:11

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development of load and resistance factor design for frp strengthening of reinforced concrete structures

development of load and resistance factor design for frp strengthening of reinforced concrete structures

... V.M Probabilistic Based Design for FRP Strengthening of Reinforced Concrete In 7th International Symposium on Fiber -Reinforced Polymer (FRP) Reinforcement for Concrete Structure; Shield, C.K., ... choice for development of a code for FRP strengthening 1.3.4 Current Design Guidelines for FRP Strengthening There are several current guidelines for the use of FRP to strengthen reinforced concrete ... The Concrete Society, 2000 Strengthening Reinforced Concrete Structures with Externally-Bonded Fibre Reinforced Polymers from ISIS Canada, 2001 (Neale, 2001) FRP Strengthening of Existing Concrete...

Ngày tải lên: 14/11/2014, 13:32

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Designing moment resisting connection for disassembly for implementation in precast reinforced concrete buildings

Designing moment resisting connection for disassembly for implementation in precast reinforced concrete buildings

... concrete c Concrete compression strain  cl Strain at concrete maximum compressive stress xii Designing Moment-Resisting Connection for Disassembly for Implementation in Precast Reinforced Concrete ... Building in New York City However, reinforced concrete structures Designing Moment-Resisting Connection for Disassembly for Implementation in Precast Reinforced Concrete Structure are still the ... Connection for Disassembly for Implementation in Precast Reinforced Concrete Structure 1.2.7 Location of precast connection between beams and columns 26 1.2.8 Demolition methods for removing...

Ngày tải lên: 10/09/2015, 09:13

249 278 0
C Sharp 2.0 Practical Guide For Programmers

C Sharp 2.0 Practical Guide For Programmers

... Practical Guide for Programmers Michael J Donahoo and Kenneth L Calvert JDBC: Practical Guide for Java Programmers Gregory D Speegle For further information on these books and for a list of forthcoming ... server-side controls, respectively ASP.NET provides control, security, sessioning, and configuration for dynamic web pages Data access by ADO.NET adds XML as an intermediate format for data and ... Practical Guide for Programmers Jason Weiss JSP: Practical Guide for Java Programmers Robert J Brunner JSTL: Practical Guide for JSP Programmers Sue Spielman Java: Practical Guide for Programmers...

Ngày tải lên: 20/08/2012, 11:57

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