guide for submittal of concrete proportions
Tài liệu Uniform Audit and Accounting Guide: For Audits of Transportation Consultants’ Indirect Cost Rates pptx
... performance measures. The following page provides a summary matrix of applicable standards for audits of Schedules of Indirect Costs. AASHTO Uniform Audit and Accounting Guide for Transportation ... and Accounting Guide For Audits of Transportation Consultants’ Indirect Cost Rates Prepared by the American Association of State Hig...
Ngày tải lên: 18/02/2014, 01:20
the chemical laboratory its design and operation a practical guide for planners of industrial, medical, or educational facilities
... Ridge, N_ JersBY, U.s .A. THE CHEMICAL LABORATORY: Its Design And Operation A Practical Guide for Planners of Industrial, Medical, or Education Facilities Sigurd J. Rosenlund William Andrew Inc. Laboratory Layout 25 given ... local planning authorities must be obtained before further planning can take place. THE CHEMICAL LABORATORY: ITS DESIGN...
Ngày tải lên: 31/05/2014, 01:37
considerations for design of concrete structures subjected to fatigue loading
... intended to provide information that will serve as a guide for design for concrete structures subjected to fatigue loading. ASTM 722-90 However, this report does not contain the type of detailed design ... and concrete subjected to flexure and axial force and for shear reinforcement. The shear fatigue capacity of concrete beams without shear reinforcement...
Ngày tải lên: 24/10/2014, 15:46
guide for consolidation of concrete
... and wall forms: Centrifu- gal force = 0.5 [(mass of form) + 0.2 (concrete mass)]. 2. For stiff mixtures in pipe and other rigid forms: Centrif- ugal force = 1.5 [(weight of form) + 0.2 (concrete ... consolidation of concrete by permitting place- ment with less consolidation effort. Refer to reports of ACI Committee 226 for more information regarding these mate- rials. The...
Ngày tải lên: 24/10/2014, 15:47
guide for use of normal weight and heavyweight aggregates in concrete
... 221R-1 This guide presents information on selection and use of normal weight and heavyweight aggregates in concrete. The selection and use of aggregates in concrete should be based ... routine inspection of the material source and of the aggregate processing plant and handling system, all the way through to the point of batching; routine sam- pling...
Ngày tải lên: 24/10/2014, 15:48
practices for evaluation of concrete in existing massive structures for service conditions
... tools for those evaluating concrete in existing massive structures. 1.1-Scope This report focuses on practices used to evaluate concrete in existing massive structures. Design consid- erations, evaluation ... for Determination of Strength of Concrete 437R Strength Evaluation of Existing Concrete Buil- dings 504R Guide to Sealing Joints in Concrete...
Ngày tải lên: 24/10/2014, 17:26
guide for submittal of concrete proportions
... all of these aggregate properties influ- ence the proportioning of the concrete mixture, they should be submitted to support the proposed mixture proportions. GUIDE FOR SUBMITTAL OF CONCRETE PROPORTIONS ... selection of the appropriate f cr ′ . Submittal of concrete mixture proportions should con- tain the method used to select f cr ′ for each class of concre...
Ngày tải lên: 24/10/2014, 17:40
nondestructive test methods for evaluation of concrete in structures
... despite the lack of testing standards for many of the methods. The development of testing standards is critical for proper appli- cation and expanded use of NDT methods for evaluation of concrete constructions. Traditionally, ... applications Nondestructive test methods are increasingly applied for the investigation of concrete structures. This increase in...
Ngày tải lên: 24/10/2014, 17:44
guide for design of foundations and shoulders for concrete pavements
... 325.3R-85 (Revised 1987) Guide for Design of Foundations and Shoulders for Concrete Pavements Reported by ACI Committee 325 Methods are suggested for material selection, moisture control, and compaction ... Tests of Soils and Flexible Pavement Com- ponents, for Use in Evaluation and Design of Airport and Highway Pavements Test Method for Density of...
Ngày tải lên: 24/10/2014, 21:59
guide for evaluation of concrete structures prior to rehabilitation
... l 0 00 STRUCTURAL PERFORMACE l 0 l UNIFORMITY OF CONCRETE 0 0 l . l . EVALUATION OF STRUCTURES PRIOR TO REHABILITATION Table 6.2 -Evaluation of properties of reinforcing steel PROPERTIES ... used for evaluation of concrete structures prior to rehabilitation. The procedures should be used as a guide and are not in- tended to replace judgment by...
Ngày tải lên: 24/10/2014, 21:59
guide to consolidation of concrete in congested areas
... placement of concrete in heavily reinforced sections can also be im- proved by bundling reinforcing bars into groups of two or three bars to increase spacing. When encasing per- manent steel plate liners ... spacing of 6 ft (1.8 m). The side ports are used to lower the vibra- tors into the form and to observe the concrete placing within the form. This is necessary to insur...
Ngày tải lên: 24/10/2014, 21:59
guide for design of jointed concrete pavements
... Specification for Preformed Polychloroprene Elas- tomeric Joint Seals for Concrete Pavements D 2835 Standard Specification for Lubricant for Installa- tion of Preformed Compression Seals in Concrete Pavements D ... Construction of Concrete Pavements and Concrete Bases 330R Guide for Design and Construction of Concrete Parking Lots 504R Guide to Sealing Jo...
Ngày tải lên: 24/10/2014, 22:11
guide for precast cellular concrete floor, roof, and wall units
... for Concrete Reinforcement A 615 Standard Specification for Deformed and Plain Billet- Steel Bars for Concrete Reinforcement C 33 Standard Specifications for Concrete Aggregates C 144 Standard ... portland cement slurry or hot dipped zinc coating. CHAPTER 3 CONCRETE PROPERTIES 3.1—Compressive strength Low-density concrete used in precast reinforced cellular concrete...
Ngày tải lên: 24/10/2014, 22:11