2—assessment of concrete structures for complete or partial demolition
considerations for design of concrete structures subjected to fatigue loading
... Standard Specification for Deformed and Plain Billet Steel Bars for Concrete Reinforcement Standard Specification for Uncoated High ASTM 722-90 Strength Steel Bar for Prestressing Concrete StructuralWelding ... relatively poor performance of smooth wire fabric in continuously reinforced concrete pavements.46,47,48 In some cases, pavements reinforced with this fabric performed adequately in service for to years ... Sverchkov, A.G., “Effect of Component Elements of Deformation Patterns on the Fatigue Strength of Bar Reinforcement,” Experimental and Theoretical Investigations of Reinforced Concrete Structures, edited...
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concrete structures for containment of hazardous materials
... explored for each specific application of a sealant Refer to ACI 504R for additional information on joint sealants For satisfactory performance, a sealant should: A Be impermeable B Be deformable ... Practice for Curing Concrete 311.1R SP-2: ACI Manual of Concrete Inspection 318 Building Code Requirements for Reinforced Concrete and 318R Commentary on Building Code Requirements for Reinforced Concrete ... Hardness for Organic Coatings D 1973 Guide for Design of a Liner System for Containment of Wastes D 2197 Test Method for Adhesion of Organic Coatings by Scrape Adhesion D 2370 Test Method for Tensile...
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guide for evaluation of concrete structures prior to rehabilitation
... Methods for Quality Assurance of Building Materials,” U.S Army Corps of Engineers Construction Research Laboratory Technical Report M-305 Concrete Reinforcing Steel Institute, “Evaluation of Reinforcing ... reinforced or if wire mesh is prerent Not reliable for cover of in.; and form ties often mistaken for anchors Electrical potential measurements (Mathey and Clifton 1988) Indicating condition of ... reliably the strength and quality of in-place concrete Good for examinations of cracks, embedded reinforcing bars, and for sample for chemical tests Coring damages structures and repairs may be required...
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Tiêu chuẩn Châu Âu EC2 phần 1.2 (Eurocode2 BS EN1992 1 2 e 2004 Design of concrete structures part 1.2: Structural fire design)
... θ )/200 for 20°C ≤ θ ≤ 100°C for 100°C < θ ≤ 400°C for 400°C < θ ≤ 500°C for 500°C < θ ≤ 600°C for 600°C < θ ≤ 700°C for 700°C < θ ≤ 800°C for 800°C < θ ≤ 900°C for 900°C < θ ≤ 1000°C for 1000°C ... addition to 5.4.1 or 5.4.2, the minimum thickness for normal weight concrete should not be less than: 200 mm for unreinforced wall 140 mm for reinforced load-bearing wall 120 mm for reinforced non load ... value of the corresponding force or moment for normal temperature design, for a fundamental combination of actions (see EN 1990); ηfi is the reduction factor for the design load level for the...
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Tiêu chuẩn Châu Âu EC2 phần 2: Thiết kế cầu (Eurocode2 BS EN1992 2 e 2005 Design of concrete structures part 2: Concrete bridge design)
... used P Partial factor for actions associated with prestressing, P Q Partial factor for variable actions, Q S Partial factor for reinforcing or prestressing steel S,fat Partial factor for reinforcing ... Partial factor A Partial factor for accidental actions A C Partial factor for concrete F Partial factor for actions, F F,fat Partial factor for fatigue actions 10 EN 1992-2:2005 (E) C,fat Partial ... 1992-2:2005 (E) C,fat Partial factor for fatigue of concrete O Overall factor G Partial factor for permanent actions, G M Partial factor for a material property, taking account of uncertainties in the...
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Development of Vacuum Assisted Resin Transfer Molding (VARTM) method for the repair and strengthening of concrete structures
... Requirements for Structural Concrete. ” American Concrete Institute (ACI) Committee 318, Farmington Hills, MI ACI 440R (2007) “Report on Fiber Reinforced Polymer (FRP) Reinforcement for Concrete Structures. ” ... VAIDYA Submitted to Journal of Composites for Construction (ASCE) Format adapted for dissertation Abstract Fiber reinforced polymer (FRP) externally bonded to reinforced concrete (RC) beams is commonly ... 2013 by Journal of Composites for Construction (ASCE) Used by permission Format adapted for dissertation 31 Abstract Fiber reinforced polymer (FRP) externally bonded to reinforced concrete (RC)...
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Báo cáo khoa học: "THE REPRESENTATION OF CONSTITUENT STRUCTURES FOR FINITE-STATE PARSING" pdf
... G2Wh-I conform to the first principle, according to which lexical categories generally appear as prefixes Rules G2*b,e-g conform to the second principle, according to which a category appears ... criteria for choosing an affix type have to with direction of recursion For affix grammars of natural languages, however, one can motivate the decision to use a p a r t i c u l a r type of affix ... prefix if Its leftmost daughter in the corresponding rule of G2 is its head or specifier Rule G2*ai conforms to the third principle, according to which a category appears as a prefix if its presence...
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Báo cáo " Classification and assessment of bioclimatic conditions for tourism, health resort and some weather therapies in Vietnam " pdf
... month for tourism, sea vacation, or 10 days / month for health resort and some medical weather therapies Therefore, the good weather period in Vietnam has following characteristics: For tourism, ... lowland area in term of assessment for development of tourism activities as well as existence of fog during the daylight in highland in term of assessment for health resort and some weather therapies ... either some diseases of respiratory system or urinary tract, enteritis, arthritis, for people Based on the experimental results [1, 2, 3] there are thresholds of air temperature for human health:...
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Báo cáo khoa học: "Packing of Feature Structures for Efficient Unification of Disjunctive Feature Structures" pptx
... describe the algorithm for packing feature structures, and then the algorithm for unification of packed feature structures 2.2 A l g o r i t h m for P a c k i n g The procedure pack_feature _structures ... using this system For performance evaluation I measure the execution time for a part of application of grammar rules (i.e schemata) of XHPSG Table shows the execution time for unifying the resulting ... Then the above algorithm can be applied to these converted packed feature structures Algorithm for Unification Below I describe the algorithm for unification of packed feature structures, referring...
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PROMOTING INNOVATION 2002 Assessment of the Partnership for Advancing Technology in Housing pdf
... University of California Forest Products Laboratory Such problems might again be due to the reliance on manufacturer-supplied information Technology scan information is provided in the form of a fact ... and Development Needs for Structural Performance of Light-frame Residential Construction Roadmap explored how future R&D efforts can be directed to support better performance of light-frame residential ... the basis for effective programs to remove barriers Finding: It is important for information on the performance, costs, and benefits of new technologies to be disseminated in a useful format to...
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genetic evolution processing of data structures for image classification
... recurrent MLP network is able to robustly store information for an application of long temporal sequences when the states of the network stay within the vicinity of a hyperbolic attractor, i.e., the ... report, Faculty of Informatics, Univ of Wollongong, Australia, 1998 P Frasconi, M Gori, and A Sperduti, “A General Framework for Adaptive Processing of Data Structures, ” IEEE Trans Neural Networks, ... required to assume a priori knowledge of any data structures or any a priori information concerning the internal structures However, we need to assume the maximum number of children for each node in...
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Unified theory of concrete structures thomas hsu
... torsion of reinforced concrete and published two books: “Unified Theory of Reinforced Concrete (1993) and “Torsion of Reinforced Concrete (1984) In this (his third) book “Unified Theory of Concrete ... of this achievement led to the title for the new book: Unified Theory of Concrete Structures, a giant step beyond the scope of Unified Theory of Reinforced Concrete The many challenging goals of ... biaxial constitutive laws for concrete In practice, this new information on shear can be used to predict the shear load versus shear deformation histories of reinforced concrete structures, including...
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báo cáo sinh học:" Assessment of human resources for health using cross-national comparison of facility surveys in six countries" ppt
... distribution of the facility-based health workforce, by Age distribution of the facility-based health workforce, by occupation that the renewal of the medical workforce is not ensured for the future ... distribution of the facility-based health workforce, by Sex distribution of the facility-based health workforce, by occupation Page of (page number not for citation purposes) Human Resources for Health ... distribution of the health workforce can be an indicator of renewal of personnel According to the survey findings, Zimbabwe had the youngest facility-based workforce, with one quarter of health workers...
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Báo cáo hóa học: " Research Article Assessment of Network Layouts for CDMA Radio Access" pdf
... on the final performance of each tessellation After showing the optimum configuration for each tessellation, numerical performance comparison is done for CDMA network based on 3-sector sites by utilizing ... Radio network performance can be measured with multiple performance indicators These can be used to measure the coverage, interference, and system performance The performance indicators can be ... closed-form equations, numerical calculations, or simulations 3.1 Performance indicators Signal strength or path loss statistics are used as coverage performance indicator in the network layout...
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báo cáo khoa học: " Growth characteristics and lipid distribution in two lines of chicken selected for low or high abdominal fat" docx
... extraction by chloroform-methanol (2-1) Phospholipid proportion was determined by measuring the phosphorus content of lipids (BIPEA, 1976) using the mean content of 40 mg phosphorus per g phospholipids ... higher proportion of yolk in FL eggs (Leclercq et aL, 1985) Difference in proportion of abdominal fat appeared after 15 d of age when no difference could be observed for the proportion of other ... were heavier than lean chickens (LL) from 15 to 97 d of age for males and from to 63 d of age for females Results of fitting growth curves according to the Gompertz model are provided by Table...
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Báo cáo y học: "hytol-based novel adjuvants in vaccine formulation: 2. assessment of efficacy in the induction of protective immune responses to lethal bacterial infections in mice" ppsx
... Isotypic with of humoral immune responses in mice Isotypic profiles of humoral immune responses in mice immunized with bacterial vaccine formulated in different adjuvants Sera for this assay ... vaccines for prophylaxis and for the treatment of nosocomial sepsis 13 14 15 16 17 18 Acknowledgements 19 The authors thank Professor H K Dannelly, of the Department of Life sciences, and Tista ... composed of inactivated or killed organisms [11] Because of a relatively limited antigenic repertoire, molecular vaccines are often poorly immunogenic and depend on the co-administration of immunostimulants...
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Competence Based Assessment of Listening Skill for ESL Students
... So far, Vietnamese educators have paid many efforts on researching the method of developing the framework of competences for Vietnam based on Common European Framework for Reference (CEFR) and ... quality In the study of forming the assessment method for listening competence for ESL students at X University, the author has encountered a number of limitations due to the scope of study: Expert ... the author encountered The author would like to have an opportunity to develop specific competence framework for ESL students for each skill: listening, speaking, reading and writing for university...
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Uncertainty and imprecision in safety assessment of offshore structures
... ASSESSMENT OF OFFSHORE STRUCTURES ZHANG MINGQIANG (B.Eng., Tongji Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CIVIL & ENVIRONMENTAL ENGINEERING NATIONAL UNIVERSITY OF ... robust performance Diverse views at the robustness of jacket structures with different configurations can be formulated to generate optimal decisions for the design and re-analysis of offshore structures ... as a measure for the likelihood of occurrence of a specific event (event of interest) relative to the occurrence of all alternative events A basic requirement for the formulation of a probabilistic...
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Life cycle cost design of concrete structures
... Prediction of service life for building elements/components Corrosion of Reinforcement 11 2.2.1 Introduction 11 2.2.2 Limit States for Corrosion of Reinforcement 12 2.2.3 Modelling of Chloride Ingress ... removal of chloride contaminated concrete, surface cleaning of the exposed reinforcement followed by rust removal, addition or lapping with new reinforcement to provide for any corroded reinforcement ... (one for the lower and the other for the upper bound) Typical ranges of values for corrosion intensity for different exposure conditions based on laboratory specimens as well as on-site structures...
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