concrete and reinforced precast concrete structures
development of load and resistance factor design for frp strengthening of reinforced concrete structures
Ngày tải lên :
14/11/2014, 13:32
... strengthen reinforced concrete structures: Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures, published by the American Concrete Institute, ... 2000 Strengthening Reinforced Concrete Structures with Externally-Bonded Fibre Reinforced Polymers from ISIS Canada, 2001 (Neale, 2001) FRP Strengthening of Existing Concrete Structures, Design ... in Concrete (Bertolini et al., 2004) 73 Table 2-9 Rates of Corrosion Penetration Based on Concrete Cover and Exposure Condition74 Table 2-10 Approximate Relation between Concrete Strength and...
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Tài liệu SECTION 06100 - CONCRETE AND CONCRETE STRUCTURES ppt
Ngày tải lên :
24/01/2014, 23:20
... - CONCRETE AND CONCRETE STRUCTURES Concrete and Concrete Structures- Section 06100 17 .PRECAST CONCRETE ELEMENTS 17.1 GENERAL The contractor shall provide and install the precast constituents and ... 18/04/2000 16:05:00 06100 - iii DIVISION - CONCRETE AND CONCRETE STRUCTURES Concrete and Concrete Structures- Section 06100 SECTION 06100 - CONCRETE AND CONCRETE STRUCTURES DESCRIPTION This Specification ... DIVISION - CONCRETE AND CONCRETE STRUCTURES Concrete and Concrete Structures- Section 06100 9.5.3 AGGREGATES 19 9.5.4 BINS 19 AND SCALES 9.6 Mixing and Delivery 20 10 CONCRETE PLACEMENT...
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code requirements for environmental engineering concrete structures (aci 350-01) and commentary (aci 350r-01)
Ngày tải lên :
24/10/2014, 15:45
... construction, and use of concrete reactor vessels and concrete containment structures for nuclear power plants.) 1.1.5 — This code does not govern design and installation of portions of concrete piles and ... of reinforced concrete chimneys and contains methods for determining the stresses in the concrete and reinforcement required as a result of these loadings.) “Standard Practice for Design and ... proportioning and detailing reinforced concrete structures It is the intent of Committee 350 that concrete structures proportioned by the main body of the code will provide a level of strength and ductility...
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prediction of creep, shrinkage, and temperature effects in concrete structures
Ngày tải lên :
24/10/2014, 16:03
... strength of concrete, df,‘), is reached.g2 The ranges of g andp in Eqs (2-l) and (2-2) for the normal weight, sand lightweight, and all lighweight concretes (using both moist and steam curing, and Types ... changes, sustained loading, and temperature on reinforced and prestressed concrete structures Material response, factors affecting the structural response, and the response of structures in which the ... composite precast reinforced beams in shored and unshored constructions 4.4-Loss of prestress and camber in noncomposite prestressed beams 4.5-Loss of prestress and camber of composite precast and...
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recommendations for design of beam-column connections in monolithic reinforced concrete structures
Ngày tải lên :
24/10/2014, 16:04
... 1993; Alcocer and Jirsa 1993; Ammerman and Wolfgram-French 1989; Aoyama 1985; Durrani and Wight 1987; Durrani and Zerbe 1987; Ehsani and Wight 1985; Fujii and Morita 1987; Gentry and Wight 1992; ... controlled by flexure (LaFave and Wight 1997; QuinteroFebres and Wight 1997; Scribner and Wight 1980) CHAPTER 6—REFERENCES 6.1—Referenced standards and reports The standards and reports listed below ... Bessho, and Matsuzaki 1991; Kitayama, Otani, and Aoyama 1987; Kurose et al 1991; LaFave and Wight 1997; Leon 1984; Pantazopoulou, Moehle, and Shahrooz 1988; Paulay and Park 1984; Quintero-Febres and...
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control of deflection in concrete structuresstate-of-the-art report on fiber reinforced plastic (frp) reinforceme
Ngày tải lên :
24/10/2014, 17:25
... Chapter 8—Field applications, p 440R-42 8.1 Reinforced concrete structures 8.2—Pre- and post-tensioned concrete structures 8.3—Strengthening of concrete structures Chapter 9—Research needs, p 440R-52 ... liquid gas storage tank (Nagata and Sekijima, 1988) 8.2—Pretensioned and post-tensioned concrete structures In this section, FRP strands and tendons for pretensioning and post-tensioning applications ... devices and methods are available (i.e., resin bonded, wedge, and die-cast method) Tokyo Rope formed a partnership with P.S Concrete Co to develop the use of CFCC™ in precast concrete structures...
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design and construction of circular prestressed concrete structures with circumferential tendons
Ngày tải lên :
24/10/2014, 17:26
... Measuring, Mixing, Transporting, and Placing Concrete 308 Standard Practice for Curing Concrete 313 Standard Practice for Design and Construction of Concrete Silos and Stacking Tubes for Storing ... Testing Reinforced Concrete Structures for Watertightness 350.2 R Concrete Structures for Containment of Hazardous Materials 503.2 Standard Specification for Bonding Plastic Concrete to Hardened Concrete ... Strand Tendons, 1st ed., 1993 30 Precast/ Prestressed Concrete Institute, Recommended Practice for Design and Construction of Precast/ Prestressed Concrete Tanks, Chicago 31 Precast/ Prestressed Concrete...
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design and construction of circular wire- and strand-wrapped prestressed concrete structures
Ngày tải lên :
24/10/2014, 17:26
... cast-in-place concrete, shotcrete, or precast concrete; and Flat concrete roofs VI Wall and dome ring prestressing systems Circumferential prestressing using wrapped wire or strand systems; and Vertical ... recommended in Section 3.7.l DESIGN AND CONSTRUCTION OF PRESTRESSED CONCRETE STRUCTURES 372R-15 4.1.4 Precast concrete core walls 4.1.4.1 Concrete for each precast concrete wall panel should be placed ... handling, and placing—Nonprestressed steel reinforcement should be fabricated, stored, handled, and placed in conformance with ACI 301 4.4.2 Concrete and shotcrete cover 4.4.2.1 The minimum concrete...
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design recommendations for precast concrete structures
Ngày tải lên :
24/10/2014, 17:26
... the members and/ or connections PRECAST CONCRETE STRUCTURES The contract documents should show the loads to be considered in design of the precast concrete elements of the structure, and they should ... one-way precast floor and roof slabs and oneway precast, prestressed wall slabs not wider than 12 ft, requirements for shrinkage and temperature reinforcement may be waived For reinforced concrete ... many years and is recommended by the Precast/ Prestressed Concrete Institute13 and the Canadian Code.16 6.3 Precast concrete flexural members are often made composite with cast-in-place concrete...
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causes, evaluation and repair of cracks in concrete structures
Ngày tải lên :
24/10/2014, 17:37
... Mass Concrete 207.4R Cooling and Insulating Systems for Mass Concrete 224R Control of Cracking in Concrete Structures 224.2R Cracking of Concrete Members in Direct Tension 224.3R Joints in Concrete ... of Concrete 309.2R Identification and Control of ConsolidationRelated Surface Defects in Formed Concrete Building Code Requirements for Reinforced 318 Concrete 343R Analysis and Design of Reinforced ... freezing and thawing, wetting and drying, and heating and cooling Cracking of concrete due to natural weathering is usually conspicuous, and it may give the impression that the concrete is on the verge...
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guide for the design and construction of fixed offshore concrete structures
Ngày tải lên :
24/10/2014, 17:40
... rise and dynamic heave amplification CHAPTER 7- INSPECTION AND REPAIR 7.1- General 7.1.1 Concrete- Concrete is a durable structural material Where concrete structures have been well designed and ... The Design and Construction of Concrete Sea Structures, ” 1977, 3rd Edition American Concrete Institute Guide to Durable Concrete 201.2R-77 (Reaffirmed 1982) Mass Concrete for Dams and Other 207.1R-70 ... deterioration of the concrete, corrosion of the reinforcement and hardware, and abrasion of the concrete (b) Splash zone-Freeze-thaw durability, corrosion of the reinforcement and hardware and the chemical...
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guide for the design and construction of externally bonded frp systems for strengthening concrete structures
Ngày tải lên :
24/10/2014, 21:59
... reinforcement for reinforced concrete structures (FIB 2001) The Canada Standards Association and ISIS have been active in developing guidelines for FRP systems Section 16, “Fiber Reinforced Concrete, ” ... Concrete Structures 224.1R Causes, Evaluation, and Repair of Cracks in Concrete Structures 318-99 Building Code Requirements for Structural Concrete and Commentary 364.1R Guide for Evaluation of Concrete ... the Design and Construction of Concrete Reinforced with FRP Bars 503R Use of Epoxy Compounds with Concrete 503.4 Standard Specification for Repairing Concrete with Epoxy Mortars 546R Concrete Repair...
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recommendations for design of slab-column connections in monolithic reinforced concrete structures
Ngày tải lên :
24/10/2014, 22:00
... Columns,” Shear in Reinforced Concrete, SP-42, American Concrete Institute, Detroit, 1974, pp, 817-846 16 Rangan, B Vijaya, and Hall, A S., “Moment and Shear Transfer Between Slab and Edge Column,” ... Load of Concrete Slab Systems, SP-30, American Concrete Institute, Detroit, 1971, 382 pp 38 Shear in Reinforced Concrete, SP-42, American Concrete Institute, Detroit, 1974, 949 pp 39 Alexander, ... coordinates x and y and the forces V, M,, and MY are indicated in Fig A The arrows represent a force and moments exerted by the column on the critical section Equal and opposite force and moments...
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modeling of chloride penetration onto concrete structures under flexual cyclic load and tidal environment
Ngày tải lên :
13/11/2014, 06:10
... 2003) 2 In real concrete structures, damage is controlled by combination of mechanical actions and environmental actions The cracks in concrete structures may be formed when concrete structures are ... into concrete structures is accelerated, and the service life of concrete structures will be reduced considerably There are numerous studies and proposed models on mechanical behaviour of concrete ... mechanical load results cracks in concrete structures The cracks accelerate the chloride penetration into concrete structures As a result, the service life of concrete structures will be reduced considerably...
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Design of modern highrise reinforced concrete structures hiroyuki aoyama
Ngày tải lên :
27/04/2016, 23:02
... Fundamentals of FEM 5.2 FEM and Reinforced Concrete 5.2.1 History of Finite Element Analysis of Reinforced Concrete 5.2.2 Modeling of RC 5.2.2.1 Two-Dimensional Analysis and Three-Dimensional Analysis ... advanced reinforced concrete buildings using high strength concrete and reinforcement, usually referred to as the "New RC" project and on which basis this book was written, was planned and conducted ... contractor in the quality control of concrete and form works, separate concreting for columns and floor framing, proper use of concrete buckets, concrete pumps, vibrators, and so on As an application...
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Modeling of chloride penetration onto concrete structures under flexual cyclic load and tidal environment
Ngày tải lên :
22/06/2016, 16:37
... mechanical load results cracks in concrete structures The cracks accelerate the chloride penetration into concrete structures As a result, the service life of concrete structures will be reduced considerably ... deterioration of concrete structures is mainly due to chloride induced corrosion With real concrete structures, the deterioration is controlled by the combination of mechanical load and climatic ... IV CHLORIDE PENETRATION INTO CONCRETE STRUCTURES UNDER FLEXURAL CYCLIC LOAD AND TIDAL ENVIRONMENT 74 4.1 Designed mechanical and physical properties of concretes 74 4.2 Prediction...
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Tiêu chuẩn Châu Âu EC2 phần 3: Thiết kế bể chứa (Eurocode2 BS EN1992 3 e 2006 Design of concrete structures part 3: Liquid retaining and containment structure)
Ngày tải lên :
09/12/2016, 17:26
... design of structures constructed from plain or lightly reinforced concrete, reinforced concrete or prestressed concrete for the containment of liquids or granular solids (102)P Principles and Application ... on structures – Part 4: Silos and tanks EN 1992-1-1, Eurocode 2, Design of concrete structures – Part 1.1: General rules and rules for buildings EN 1992-1-2, Eurocode 2, Design of concrete structures ... Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom...
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Flexural performance and bond characteristics of FRP strengthening techniques for concrete structures
Ngày tải lên :
12/05/2017, 22:37
... Strengthening of Reinforced Concrete Structures with FRPs 2.1 Introduction 10 2.2 Strengthening o f Concrete Structures 11 2.2.1 Historical Background 11 2.2.2 Concrete ... these deficient bridges are reinforced or prestressed concrete structures, and are in urgent need o f repair and strengthening In the United Kingdom, over 10,000 concrete bridges need structural ... tests FRP/ steel Concrete Concrete P< Fig 2.6 Single and double shear tests The earliest study on normal and shear stress distributions in glued joints was published by Goland and Reissner (1944)...
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Development of Vacuum Assisted Resin Transfer Molding (VARTM) method for the repair and strengthening of concrete structures
Ngày tải lên :
12/05/2017, 22:37
... method are produced Materials and Specimens Reinforced concrete beams are fabricated using 27.6 MPa concrete and 414 MPa steel reinforcement Each beam is 2.74 meters long and approximately a year ... Structural Concrete. ” American Concrete Institute (ACI) Committee 318, Farmington Hills, MI ACI 440R (2007) “Report on Fiber Reinforced Polymer (FRP) Reinforcement for Concrete Structures. ” American Concrete ... Chritopher Waldron and Dr Talat Salama for teaching and guiding me; and Dr Jason Kirby and Dr Ashraf Al-Hamdan for their good advice I would also like to thank the project co-investigator and past author...
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Evaluating the long-term durability of fiber reinforced polymers via field assessments of reinforced concrete structures
Ngày tải lên :
12/05/2017, 22:38
... OF FIBER REINFORCED POLYMERS VIA FIELD ASSESSMENTS OF REINFORCED CONCRETE STRUCTURES Fiber Reinforced Polymer Composites (FRP) are an attractive repair option for reinforced concrete structures, ... was originally built in 1946 and underwent a major renovation in 2003 The bridge deck and spandrel columns were replaced with precast reinforced concrete members and the existing arches were ... fiber reinforced polymer (FRP) materials used as externally bonded reinforcement for existing reinforced concrete structures Castlewood Canyon Bridge, built in 1946 and repaired in 2003, is a reinforced...
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