behavior of reinforced concrete girders under cyclic torsion and torsion combined with shear experimental investigation and analytical models

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Ngày tải lên: 23/03/2014, 20:34

... tests of SMA wires under recovery stress and analyzed the results. This study also investigated the hysteretic behavior of SMA wires under prestress. Cyclic behavior under recovery stress SMA wires This ... live loads. Thus, the wire or bars were exposed to a hysteretic behavior under recovery stress. No experimental tests or analysis of the be...

Ngày tải lên: 21/06/2014, 17:20

... ã Design of Joint Shear Reinforcement 38.1 Introduction This chapter provides an overview of the concepts and methods used in modern seismic design of reinforced concrete bridges. Most of ... by CRC Press LLC 38 Seismic Design of Reinforced Concrete Bridges 38.1 Introduction Two-Level Performance-Based Design ã Elastic vs. Ductile Design ã Capaci...

Ngày tải lên: 08/07/2014, 12:20

... al.: Long-term survivor of relapsed MFH on the thigh treated with autologous formalin-fixed tumor vaccine (AFTV) combined with limb-sparing surgery and radiotherapy. World Journal of Surgical Oncology ... Access Long-term survivor of relapsed MFH on the thigh treated with autologous formalin-fixed tumor vaccine (AFTV) co...

Ngày tải lên: 09/08/2014, 02:20

... http://jmedicalcasereports.com/jmedicalcasereports/article/view/7285 Case report Open Access A 60-year-old man with chronic renal failure and a costal mass: a case report and review of the literature Germán Campuzano-Zuluaga*, ... neuropathies [11] and myelopathy [12]. The majority of cases report the maxilla and mandible as the main site...

Ngày tải lên: 11/08/2014, 17:21

... is properly cited. Research Absence of evidence of Xenotropic Murine Leukemia Virus- related virus infection in persons with Chronic Fatigue Syndrome and healthy controls in the United States William ... avail- ability of specimens, and comprised 11 of 43 persons with CFS and 26 of 53 healthy controls from Wichita, KS and 22 of...

Ngày tải lên: 13/08/2014, 01:20

... title Prediction of service life due to the exposure of chlorides of reinforced concrete bridges near coastal areas in Vietnam . 2. Purposes of the thesis The thesis aims at researching of the ... will penetrate into Vietnamese rivers and it will affect on reinforced concrete structures, especially concrete bridges. 1.10.2 Service life...

Ngày tải lên: 26/09/2014, 09:43

... references American Concrete Institute 307-69 Specification for the Design and Construction of Reinforced Concrete Chimneys 307-88 Standard Practice for the Design and Construc- tion of Cast-in-Place Reinforced ... Reinforced Concrete Chimneys 318 Building Code Requirements for Structural Concrete 505-54 Standard Specification for the Design and Con- struct...

Ngày tải lên: 24/10/2014, 15:45

... 307-1 This standard gives material, construction, and design requirements for cast-in-place and precast reinforced concrete chimneys. It sets forth mini- mum loadings for design and contains ... p. 307-15 Design and Construction of Reinforced Concrete Chimneys (ACI 307-98) Reported by ACI Committee 307 ACI 307-98 David J. Bird Chairman Victor A. Bochicchio...

Ngày tải lên: 24/10/2014, 15:46

... 5) 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 ... 343 on Concrete Bridge Design, provide currently acceptable guidelinesfor the analysis and design of reinforced, prestressed, and partially prestres...

Ngày tải lên: 24/10/2014, 16:04

... 60,000 Vib/min FREQUENCY Fig.3.3.2c-Three types of behavior of the fresh concrete BEHAVIOR OF FRESH CONCRETE DURING VIBRATION 309.1R-11 inertia is the primary hindrance to motion, Newton’s second law of motion can be applied: F ... with those of the concrete mixture. This requires a thorough understand- ing of the properties of fresh concrete under vibra...

Ngày tải lên: 24/10/2014, 21:58

... ACI 435.8R-85 (Reapproved 1997) Observed Deflections of Reinforced Concrete Slab Systems, and Causes of Large Deflections by ACI Committee 435 D. R. Buettner' ... II of the report. Keywords: concreteconstruction: concrete slabs: creep properties; deflection; flat concrete plates: form removal: loads (forces): modulus of elasticity; re...

Ngày tải lên: 24/10/2014, 22:00

... 1997) State -of- the-Art Report on Temperature-Induced Deflections of Reinforced Concrete Members By ACI Committee 435 D. R. Buettner A. Scanlon* Chairman Chairman, Subcommittee on Thermal Deflections D. ... moment of inertia = moment of inertia of gross concrete section Temperature-Induced Deflections 11 k L M M cr n P = constant = Live load, span length...

Ngày tải lên: 24/10/2014, 22:01

Ngày tải lên: 14/11/2014, 11:16

... UNIVERSITY OF CALIFORNIA, SAN DIEGO Development of Load and Resistance Factor Design for FRP Strengthening of Reinforced Concrete Structures A dissertation ... Overview 1 1.2 FRPs for Strengthening of Civil Structures 1 1.2.1 Fiber Reinforced Polymer Composites 1 1.2.2 Strengthening and Repair of Civil Structures 2 1.2....

Ngày tải lên: 14/11/2014, 13:32