5—tests for fiber reinforced concrete and shotcrete

... considered, namely FRC-05 for fiber reinforced concrete with w/c = 0.5 and FRM-05 for fiber reinforced mortar with w/c = 0.5 The mix-design for FRC-05 is presented in Table The fiber reinforcement consists ... Creep and Shrinkage of Concrete, volume 30, 1–31 [2] Banthia, N (1994) Fiber reinforced concrete ACI SP-142ACI Detroit MI, 91–119 [3] Hilsdorf, H., Kropp, J (2004) Performance criteria for concrete ... steel fibre reinforced self-compacting concrete panels Cement and Concrete Research, 72:21–36 [10] Zerbino, R L., Barragan, B E (2012) Long-Term Behavior of Cracked Steel Fiber- Reinforced Concrete

Ngày tải lên: 05/07/2022, 11:18

... Blast performance T of TNT @ 30 m “standard” concrete UHPFRC Conclusions  An original concept using Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) for the rehabilitation of concrete ... impact and, in recent years, terrorist attacks New hi-tech materials such as ultra-high performance fiber reinforced concrete (UHPFRC) are ideal for applications where high compressive and tensile ... procedure: In this study, the concrete matrix is well mixed with steel fibers Before the hybrid fibers are added into the concrete mixture, the fibers are mixed together for The mixing is always executed

Ngày tải lên: 28/03/2019, 08:26

... type and fiber 71 composition of plain matrix of SFCs (Pl) and fiber features, respectively Three types content greatly the fiber probability heterogeneous fiber distribution and3 0/0.3 fiber for ... properties of steel fiber reinforced concrete Construction and Building Materials, 23(12):3468–3474 [19] Thomas, J., Ramaswamy, A (2007) Mechanical properties of steel fiber- reinforced concrete Journal ... (2019) Using carbon black and ground granulated blast furnace slag for improvement of self-sensing capacity of high performance fiber- reinforced concretes Journal of Science and Technology in Civil

Ngày tải lên: 25/11/2020, 20:08

... Behavior of Ultra-High-Performance FiberReinforced Concrete Subjected to Impact Loading 2016.02 Tran Ngoc Thanh Direct Tensile Behavior of Ultra-High-Performance Fiber- Reinforced Concrete Subjected ... performance fiber reinforced cementitious composites, Cement and Concrete Composites 45 (2014) 186-200 [42] A Caverzan, E Cadoni, M Di Prisco, Tensile behaviour of high performance fibre -reinforced ... Cement and Concrete Composites 48 (2014) 53-66 [52] P Tjiptobroto, W Hansen, Mechanism for tensile strain hardening in high performance cement-based fiber reinforced composites, Cement and Concrete

Ngày tải lên: 08/08/2021, 17:34

... Design of concrete structures - Part 1-1: General rules and rules for buildings European Committee for Standardization, Brussels, Belgium [26] TCVN 9346:2012 Concrete and reinforced concrete structures ... self-consolidating and highperformance reinforced concrete beams Engineering Structures, 59:399–410 [6] ACI 318-19 (2019) Building code requirements for structural concrete and commentary American Concrete ... Hong, S.-G (2016) Shear tests for ultra-high performance fiber reinforced concrete (UHPFRC) beams with shear reinforcement International Journal of Concrete Structures and Materials, 10 (2):177–188

Ngày tải lên: 15/10/2022, 23:02

... QTLs for fiber quality traits (Table 5) (18 in the A sub-genome and 11 in the D sub-genome), 12 QTLs for yield traits (Table 6) (5 QTLs in the A sub-genome and in the D sub-genome) and QTLs for ... which included 59 QTLs for six fiber quality traits, 38 QTLs for four yield traits and QTLs for two morphological traits Sub-genome wide, 57 QTLs were mapped in A subgenome and 49 were mapped in ... derived from landrace by elite germplasm line cross, to construct a high-density linkage map and to map the QTLs for cotton fiber quality, yield and morphological traits in Upland cotton Results

Ngày tải lên: 28/02/2023, 20:11

... BRITISH STANDARD Structural use of concrete — Part 3: Design charts for singly reinforced beams, doubly reinforced beams and rectangular columns UDC 624.012.3/.4 ... relationship for the reinforcement at the ultimate limit state In deriving the charts from these stress-strain curves, gm has been taken as 1.5 and 1.15 for concrete and reinforcement, respectively For ... and construction; — Part 2: Code of practice for special circumstances; — Part 3: Design charts for singly reinforced beams, doubly reinforced beams and rectangular columns The design charts in

Ngày tải lên: 03/11/2019, 19:23

... THUỶ LỢI - THIẾT KẾ ĐẬP BÊ TÔNG VÀ BÊ TÔNG CỐT THÉP Hydraulic structure − Design for concrete dam and reinforced concrete dam Lời nói đầu: TCVN 9137: 2012 chuyển đổi từ 14 TCN 56-88 Thiết kế đập ... THUỶ LỢI - THIẾT KẾ ĐẬP BÊ TÔNG VÀ BÊ TÔNG CỐT THÉP Hydraulic structure − Design for concrete dam and reinforced concrete dam Phạm vi áp dụng Tiêu chuẩn quy định yêu cầu kỹ thuật công tác thiết

Ngày tải lên: 18/04/2022, 10:44

... steel, concrete and reinforcedconcretevan Minh NgoTo cite this version:van Minh Ngo Localized failure for coupled thermo-mechanics problems : applications to steel, crete and reinforced concrete ... Stress and strain condition at a position in reinforced concrete beam element under mechanical and temperature loading 105 4.2.2 Response of a reinforced concrete element under external loading and ... for modelling bending and shear failure of reinforced concrete frames," Computer and Structures, Submitted [5] ε ζgo, A Ibrahimbegovic, and D Brancherie, “Thermomechanics Failure of Reinforced

Ngày tải lên: 10/05/2024, 02:40

... have to be taken into account: The planes for the ceil and/ or the roof, and the cylinder for the walls. These components are quadrics, which is important for the simplicity of intersection computation ... fast fadings in order to margin gains for radio deployment for a system point of view to reach targeted BER and to tune the network and the handover process 6 Statistical analysis of ... has... between the simulations and the measurements is observed A mean and a standard deviation of the error between measurements and simulations of 2.15 and 2.55 dB are, respectively,

Ngày tải lên: 18/06/2014, 22:20

... have to be taken into account: The planes for the ceil and/ or the roof, and the cylinder for the walls. These components are quadrics, which is important for the simplicity of intersection computation ... fast fadings in order to margin gains for radio deployment for a system point of view to reach targeted BER and to tune the network and the handover process 6 Statistical analysis of ... has... between the simulations and the measurements is observed A mean and a standard deviation of the error between measurements and simulations of 2.15 and 2.55 dB are, respectively,

Ngày tải lên: 20/06/2014, 04:20

... a mere collection of tissues and organs [1-4] For medicine, law, and ethics, this is the written standard rationale for accepting brain death (BD) as a criterion for death [1-4] The tests used ... downloaded, printed and distributed freely for any purposes (see copyright notice below) Articles in Annals of Intensive Care are listed in PubMed and archived at PubMed Central For information about ... Fully formatted PDF and full text (HTML) versions will be made available soon A survey of American neurologists about brain death: understanding of the conceptual basis and diagnostic tests for

Ngày tải lên: 21/06/2014, 19:20

... column head formwork Formwork used at the top of a column to enlarge or change its cross section. 6501013 edge form Formwork for the edge of a concrete slab. 6501014 road form Edge form for a road ... Section within formwork to provide a pocket or aperture. 6502042 door former Box out for a door. 6502043 window former Box out for a window. 6502044 core form Device for forming a hole in a concrete ... carry and guide the wheels of a concrete paving train. 6501017 soffit formwork decking deprecated Formwork used to form the underside of concrete. 6501018 quick strip formwork Soffit formwork

Ngày tải lên: 08/07/2014, 22:20

... 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 ... 78 C 94 C 138 Standard Specification for Steel Fibers for Fiber Reinforced Concrete Standard Test Methods for Unit Weight and Voids in Aggregate Practice for Making and Curing Concrete Test Specimens ... Standard Test Method 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...

Ngày tải lên: 24/10/2014, 22:11

... 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 ... FRP, both for flexure and for shear Various 25 parameters, including fiber length, fiber content, plate thickness, concrete strength and strengthening schemes, were investigated Reinforced concrete ... the Requirements for the Degree of Doctor of Philosophy A HYBRID FIBER REINFORCED POLYMER (FRP) SYSTEM OF CARBON FRP LAMINATE AND SPRAYED GLASS FRP FOR STRENGTHENING REINFORCED CONCRETE BEAMS By...

Ngày tải lên: 12/05/2017, 22:37

... MPa) for 1.5 percent by volume of fibers depending on the l/d and the type of fiber, and may approach 1900 psi (13 MPa) for 2.5 percent by volume of fibers (Johnston 1980) For fiber reinforced concretes, ... Mechanisms and Fracture of Fiber Reinforced Concrete, ” Fiber Reinforced Concrete- properties and Applications, SP-105, American Concrete Institute, Detroit, pp l-25 Gopalaratnam, V S., and Shah, ... the properties of steel fiber reinforced concrete are the fiber efficiency and the fiber content (percentage of fiber by volume or weight and total number of fibers) Fiber efficiency is controlled...

Ngày tải lên: 24/10/2014, 22:11

... on Fiber (Reapproved 1986) Reinforced Concrete 544.3R-84 Guide for Specifying, Mixing, Placing, and Finishing Steel Fiber Reinforced Concrete SP-44 Fiber Reinforced Concrete SP-81 Fiber Reinforced ... 231-82 C 293-79 Standard Specification for Steel Fibers for Fiber Reinforced Concrete Standard Practice for Making and Curing Concrete Test Specimens in the Field Standard Test Method for Compressive ... Parameters for Fiber Reinforced Concrete, ” Cement, Concrete, and Aggregates, V 4, No 2, Winter 1982, pp 53-60 Johnston, Colin D., “Toughness of Steel Fiber Reinforced Concrete, ” Steel Fiber Concrete, ...

Ngày tải lên: 24/10/2014, 22:11

... Glass -Fiber Reinforced Concrete Test Method for Time of Flow of Fiber Reinforced Concrete Through Inverted Slump Cone Test Method for Flexural Toughness and First Crack Strength of Fiber Reinforced ... Table Practice for Preparing Coupons for Flexural and Washout Tests on Glass -Fiber Reinforced Concrete Test Method for Determination of Glass -Fiber Content in Glass -Fiber Reinforced Concrete (GFRC) ... for Fiber Reinforced and Plain Concrete, ” ASTM Journal, Cement, Concrete and Aggregates, Vol 9, Summer 1987, pp 3-11 2.15 Balaguru, P., and Ramakrishnan, V., “Properties of Fiber Reinforced Concrete: ...

Ngày tải lên: 24/10/2014, 22:12

... Air Force and NASA didn’t wait develop the carbon fiber technology and began to use carbon fiber reinforced polymers to replace heavy metals to allow aircrafts to be lighter and faster Carbon fiber ...  References What is Carbocrete?  It is a type of concrete that is reinforced with carbon fibers so it’s also known as “Carbon Reinforced Concrete  It is a new highly stressable lightweight ... showed that carbon fibers can be used inside the concrete instead of steel reinforcement showing a significant improvement in the flexural and tensile strength of concrete Carbon Fibers vs Steel...

Ngày tải lên: 22/07/2015, 21:53

... regarding the size effect on fiber- reinforced cement composite or fiber- reinforced concrete Chandrangsu and Naaman [26] investigated the size effect on high-performance fiber- reinforced cementitious composites ... by blending fibers in a UHPC matrix: UHPFRC1 with 1.0% T -fiber and 0.5% SS -fiber, and UHPFRC2 with 1.0% Tfiber and 1.0% SS -fiber The length and diameter of the T-fibers were 30 mm and 0.3 mm, ... ultra-high-performance fiber- reinforced concrete Composites: Part B 58, 2014, pp 279-292  Nguyen D.L and Kim D.J Predicting flexural behavior of ultra-highperformance fiber- reinforced concrete based...

Ngày tải lên: 19/05/2016, 11:03