protection for structural concrete requiring construction supports
specifications for structural concrete
... for Steel Wire, Deformed, for Concrete Reinforcement A 497-97 Standard Specification for Steel Welded Wire Fabric, Deformed, for Concrete Reinforcement A 615/ Standard Specification for Deformed ... Billet-Steel Bars for Concrete Reinforcement A 616/ Standard Specification for Rail-Steel Deformed A 616M-96a and Plain Bars for Concrete Reinforcement 301-5SPECIFICATIONS FOR STRUCTURAL CONCRETE A ... Specification for Axle-Steel Deformed A 617M-96a and Plain Bars for Concrete Reinforcement A 706/ Standard Specification for Low-Alloy Steel A 706M-98 ε 1 Deformed and Plain Bars for Concrete Reinforcement...
Ngày tải lên: 24/10/2014, 16:04
iec 60079-15 electrical apparatus for explosive gas atmospheres - construction, test and marking of type of protection n electrical apparatus
... 15: Construction, essais et marquage des matériels électriques du mode de protection «n» Electrical apparatus for explosive gas atmospheres – Part 15: Construction, test and marking of type of protection ... 15: Construction, essais et marquage des matériels électriques du mode de protection «n» Electrical apparatus for explosive gas atmospheres – Part 15: Construction, test and marking of type of protection ... requirements for machines with rated voltage greater than 1 kV .69 18 Supplementary requirements for switchgear 73 19 Supplementary requirements for non-sparking...
Ngày tải lên: 25/12/2013, 10:42
guide for structural lightweight-aggregate concrete
... involvement before design Concrete, structural lightweight aggregate—See concrete, structural lightweight Concrete, structural lightweight (SLC)? ?Structural lightweight-aggregate concrete made with structural ... Heavyweight and Mass Concrete ACI 211.2 Standard Practice for Selecting Proportions for Structural Lightweight Concrete ACI 212.3R Chemical Admixtures for Concrete ACI 216.1 Standard Method for Determining ... Specification for Lightweight Aggregates for Structural Concrete 213R-35 ASTM C 331 Standard Specification for Lightweight Aggregates for Concrete Masonry Units ASTM C 332 Standard Specification for Lightweight...
Ngày tải lên: 24/10/2014, 15:47
standard practice for selecting proportions for structural lightweight concrete
... in Concrete Standard Specifications for. .. Specifications for Structural Concrete Guide for Concrete Floor and Slab Construction Building Code Requirements for Reinforced Concrete ... Specification for Lightweight Aggregates for Structural Concrete Standard Specification for Chemical Admixtures for Concrete Standard Test Method for Total... Tolerances for Concrete ... Concrete Construction and Materials Guide to Durable Concrete Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete Admixtures for Concrete...
Ngày tải lên: 24/10/2014, 17:40
guide for the use of preplaced aggregate concrete for structural and mass concrete applications
... ConsolidationRelated Defects in Formed Concrete Building Code Requirements for Reinforced 318 Concrete 347R Guide for Formwork for Concrete ASTM Specification for Concrete Aggregate Test Method for Obtaining and ... Cement Concrete C 937 Specification for Grout Fluidifier for Preplaced-Aggregate Concrete C 938 Practice for Proportioning Grout Mixtures for Preplaced-Aggregate Concrete C 939 Test Method for Flow ... Beams of Concrete C 150 Specification for Portland Cement C 230 Specification for Flow Table for Use in Tests of Hydraulic Cement C 260 Specification for Air-Entraining Admixtures for Concrete...
Ngày tải lên: 24/10/2014, 17:44
guide for the design and construction of concrete reinforced with frp bars
... Fiber-reinforced polymer (FRP) materials have emerged as a practical alternative material for producing reinforcing bars for concrete structures. FRP reinforcing bars offer advantages over steel reinforcement ... (8-15) CONCRETE REINFORCED WITH FRP BARS The. .. 318 for reducing nominal shear capacity of steel -reinforced concrete members should be used for FRP reinforcement as ... to establish recommendations for design with FRP reinforcement. 1.1—Scope This document provides recommendations for the design and construction of FRP reinforced concrete structures as an emerging...
Ngày tải lên: 24/10/2014, 21:59
guide for the design and construction of externally bonded frp systems for strengthening concrete structures
... 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, ” ... Minimum concrete substrate strength—FRP systems work on sound concrete and should not be considered for applications on structural members containing corroded reinforcing steel or deteriorated concrete ... distribution for concrete κ a = efficiency factor for FRP reinforcement (based on the section geometry) κ m = bond-dependent coefficient for flexure κ v = bond-dependent coefficient for shear ρ...
Ngày tải lên: 24/10/2014, 21:59
guide for mixing and placing sulfur concrete in construction
... Sealants for Concrete Structures Standard Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement Standard Specification for Rail-Steel Deformed and Plain Bars for Concrete ... Concrete Reinforcement Standard Specification for Axle-Steel Deformed and Plain Bars for Concrete Reinforcement Standard Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement ... should not be confused with structural design. Mixture design for sulfur concrete is quite different from mixture design for portland cement concrete. Ag- gregates for sulfur concrete meeting the gradation...
Ngày tải lên: 24/10/2014, 22:11
ACI structural engineering handbook 04 structural concrete design
... PropertiesofConcreteandReinforcingSteel PropertiesofConcrete • LightweightConcrete • Heavyweight Concrete • High-StrengthConcrete • ReinforcingSteel 4.2 ProportioningandMixingConcrete ProportioningConcreteMix ... high-strength concrete is about the same as that for normal concrete. c 1999 by CRC Press LLC 4.1.5 Reinforcing Steel Concrete can be reinforced with welded wire fabric, deformed reinforcing bars, ... The shrinkage of lightweight concrete is similar to or slightly greater than for normal concrete. 4.1.3 Heavyweight Concrete Heavyweight concretes are used primarily for shielding purposes against...
Ngày tải lên: 17/08/2013, 12:06
Tài liệu finite element methods for structural engineers ppt
... to force Fy with node (2) fixed in position as shown in Fig 1.5(a) Using Eq, (I.1), the force-displacement relation for the node (1) may be expressed Trang 11 4 Finite Element Method for Structural ... (in-plane forces) a (#)_ Rectangular plato eloment (In-plano forcos) Fig 3.5 Two dimensional elements with in-plane forces, 33.211 Trlangular Plate Element (In-Plane Forces) Trang 32 Structural ... discusses the structural idealiza- tion and also describes the commonly used elements in structural aualysis, In Chapter 4, methods for determining stlfiwess characteristics und transform= ation...
Ngày tải lên: 23/02/2014, 21:20
Báo cáo khoa học: Glutamic acid residues in the C-terminal extension of small heat shock protein 25 are critical for structural and functional integrity pptx
... folding-competent conformation until conditions are permissive for their refolding or degradation, with the former requiring the input of another chaperone protein, e.g Hsp70 [14] sHsps comprise three structural ... and therefore able to perform its solubilizing role in the sHsp and in the complexes formed with target proteins during chaperone action Indeed, the presence of significant regions of structural ... °C for E190A and 70 °C for E199A and E204A Decreased light scattering after maximum precipitation had been reached resulted from the precipitate sinking to the bottom of the cuvette and therefore...
Ngày tải lên: 07/03/2014, 04:20
RADIATION PROTECTION FOR MEDICAL AND ALLIED HEALTH PERSONNEL docx
... Council on Radiation Protection and Measurements. Radiation protection for medical and allied health personnel : recommendations of the National Council on Radiation Protection and Measurements. ... report provide general information on radiation and its uses in medicine for all readers. Section 8, Specific Guidelines, provides pertinent job related information for personnel involved with ... hazards may exist The report contains information about radiation protection for: X-ray technologists and technicians and. .. quality factor for the type of radiation which delivered...
Ngày tải lên: 15/03/2014, 06:20
Achieving Effective Social Protection For All In Latin America And The Caribbean - From Right To Reality doc
... the formal sector but also promoting the inclusion of informal sector workers in contributory... as a whole, including health 10 Achieving Effective Social Protection for All ... suggests five strategic themes for policy reforms that could help countries in the LAC region move closer to making the right to SP a reality for everyone: • Open up contributory ... Achieving Effective Social Protection for All in Latin America and the Caribbean [...]... for the behavioral responses of individuals, households, and...
Ngày tải lên: 22/03/2014, 16:21
Crash Protection for Child Passengers potx
... tension and flexion forces on the neck that can occur with forward-facing occupants (figure 4B). Further ex- planation and field validation of this injury risk are discussed in the context for forward-facing ... airbag forces, 18 the only re- liable ways to protect an infant from airbag injury are to disconnect the bag or to restrain the child in the rear seat. Back Angle for Frontal Impact Protection For ... side head protection Compared to backless boosters, high-backs position the child several inches closer to forward surfaces, are more expensive, and may be uncomfortably upright for long...
Ngày tải lên: 23/03/2014, 10:20
AIA specification for precast concrete section 34102
... Precast Concrete. ” 2. Division 3 Section “Cast-in-Place Concrete? ?? for placing connection anchors in concrete and structural topping. 3. Division 3 Section “Precast Post-Tensioned Concrete? ?? for ... responsibility for structural precast concrete units to fabricator. AIA Document A201 requires Owner or Architect to specify performance and design criteria. A. Structural Performance: Provide structural ... Underlayment” for floor and roof deck fill. 5. Division 4 Section “Unit Masonry Assemblies” for inserts or anchorages required for slab connections. 6. Division 5 Section ? ?Structural Steel” for structural...
Ngày tải lên: 01/05/2014, 09:50
cold weather concreting
... Heavyweight, and Mass Concrete 212.2R-81 Guide for Use of Admixtures in Concrete 301-84 Specifications for Structural Concrete for Buildings 302.1R-80 Guide for Concrete Floor and Slab Construction 306.1-87 ... includes structural concrete requiring temporary construction supports to safely resist construction loads Protection requirements for this category are discussed in Chapter 5.4 - Stripping of forms ... CHAPTER - PROTECTION AGAINST FREEZING AND PROTECTION FOR CONCRETE NOT REQUIRING CONSTRUCTION SUPPORTS 5.1 - Protection to prevent early-age freezing To prevent early-age freezing, protection...
Ngày tải lên: 24/10/2014, 15:45
Written tests of english at vietnam high schools nowadays and some suggestions
... looking for? What language skills or knowledge needs testing? What task allows us to define the knowledge obtained? The questions should be prepared for a definite time before the performance ... intelligible for administers, supervisors, candidates and markers - For the administers: + test the paper length + materials required + conditions - For the candidates: + time allowed for the whole ... program The textbook program for both the courses was complied for a long time ago Their contents and performances are somewhere no longer suitable to the present demands Formerly the view of concentrating...
Ngày tải lên: 24/12/2013, 09:36
SYSTEMATICS OF FAGACEAE: PHYLOGENETIC TESTS OF REPRODUCTIVE TRAIT EVOLUTION ppt
... Castanopsis, and Formanodendron have been transformed independently to variously formed single-fruited types (see fig 1) In order to extend this hypothesis to Quercus, evidence for a dichasium-cupule ... complete data set of 179 ITS sequences, a total of 237 phylogenetically informative characters (including indels) formed the basis for MP analyses Numerous heuristic searches Fig One of thousands of ... generally similar to those obtained for the 179-taxon data set, but with less than 50% support for the clade including Castanea + Castanopsis and increased support for the Quercus MANOS ET AL.—SYSTEMATICS...
Ngày tải lên: 14/03/2014, 16:20
AEROBIC BIODEGRADATION OF ORGANIC CHEMICALS IN ENVIRONMENTAL MEDIA: A SUMMARY OF FIELD AND LABORATORY STUDIES pot
... constant values for benzene 15 Table Aerobic biodegradation rate constant values for toluene 30 Table Aerobic biodegradation rate constant values for ethylbenzene ... constant values for o-xylene 54 Table Aerobic biodegradation rate constant values for m-xylene 63 Table Aerobic biodegradation rate constant values for p-xylene ... values for naphthalene 74 Table Aerobic biodegradation rate constant values for fluorene 84 Table 10 Aerobic biodegradation rate constant values for benzo(a)anthracene...
Ngày tải lên: 28/03/2014, 19:20