Details And Detailing Of Concrete Reinforcement Aci 315 92-Books Pdf

DETAILS AND DETAILING OF CONCRETE REINFORCEMENT ACI 315 92
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crete industry are stated more clearly by providing Chapter 8 References pg 315 20. separate sections for each, PART C FIGURES AND TABLES. CONTENTS Fig l Typical details for one way solid slabs pg 315 22. Fig 2 Typical details for beams pg 315 23, PART A RESPONSIBILITIES OF THE ENGINEER Fig 3 Typical details for one way joist construction pg. Chapter l Engineering drawings pg 315 3 315 24, 1 l General Fig 4 Standard fabricating tolerances for bar sizes 3. 1 2 Drawing standards through ll pg 315 25, 1 3 Engineering drawings Buildings and other Fig 5 Standard fabricating tolerances for bar sizes 14. structures and 18 pg 315 27, 1 4 Engineering drawings Highway and Trans Fig 6 Typical bar bends pg 315 28.
portation structures Fig 7 Column splice details pg 315 29. Fig 8 One piece column ties applicable for lap spliced. Chapter 2 Standards of practice pg 315 4 preassembled cages pg 315 30. 2 1 General Fig 9 Universal column ties for standard columns ap. 2 2 Tolerances plicable for either preassembled cages or field. 2 3 Combination drawings erection pg 315 3 1, 2 4 Hooks and bends Fig l0 Universal column ties applicable for either pre. 2 5 Beams and girders assembled cages or field erection special. 2 6 Columns shaped columns and columns with bars in two. 2 7 Development and splices of reinforcement faces only pg 315 32. 2 8 Connection details Fig ll Typical wall details shown in horizontal cross. 2 9 Reinforcement supports section pg 315 33, 2 10 Special details for seismic design of frames Fig 12 ACI 318 requirements for anchorage of open. joints walls diaphragms and two way slabs stirrups pg 315 33. 2 1l Corrosion resistant coatings for reinforcement Fig 13 Recommended two piece closed single and mul. tiple U stirrups pg 315 34, PART B RESPONSIBILITIES OF THE DETAILER Fig 14 Not Recommended Closed stirrup styles con. Chapter 3 Placing drawings pg 315 12 sidered ineffective for members subjected to. 3 1 Definition high torsion stress pg 315 34, 3 2 S c o pe Fig 15 Typical seismic resistant details Flexural mem. 3 3 Procedure bers pg 315 35, 3 4 Drawing standards Fig 16 Typical seismic resistant details Columns pg.
3 5 Building drawings 315 36, 3 6 Highway drawings Fig 17 Example of transverse reinforcement in col. 3 7 Detailing to fabricating standards umns pg 315 37. Fig l Typical ductile frame spandrel joint details pg. Chapter 4 Fabricating practice standards pg 315 17 315 38. 4 1 Fabrication Fig 19 Boundary members pg 315 39, 4 2 Extras Fig 20 Recommended layout for placing drawings pg. 4 3 Tolerances 315 39, Fig 21 Typical bar lists for buildings pg 315 40. Chapter 5 Supports for reinforcement pg 315 18 Fig 22 Typical bar list for highway structures pg. 5 l General 315 41, 5 2 Types of bar supports Fig 23 Location of bars designated only by size spacing. 5 3 Side form spacers and beam bolsters pg 315 42, 5 4 Placing reinforcement supports.
Table l Standard hooks pg 315 44, Chapter 6 Computer assisted detailing pg 315 19 Table 2a Maximum number of bars as a single layer in. 6 1 Use of computers in detailing beam stems conforming to ACI 318 pg 315. 6 2 Placing drawings 45, 6 3 Ordering procedures Table 2b Maximum number of bars as a single layer in. beam stems or columns pg 315 46, Chapter 7 Recommended practices for location of bars Table 3 Maximum number of bars as a single layer in. designated only by size spacing pg 315 20 beam stems conforming to AASHTO Standard. 2 DETAILS AND DETAILING, Specifications for Highway Bridges pg 315 information to use in preparing placing drawings Instead. 47 this information should be interpreted by the Engineer. Table 4 Maximum number of bars in cast in place and shown in the form of specific design details or notes. round columns based on ACI 318 require for the Detailer to follow Where omissions ambiguities. ments pg 315 48 or incompatibilities are discovered additional infor. Table 5 Maximum number of bars that can be accom mation clarifications or corrections should be requested. modated in a column face using mechanical by the Detailer and provided by the Engineer The En. end bearing connections based on ACI 318 pg gineer should require in the specifications that placing. 315 49 drawings be submitted for approval, Table 6 Maximum spacing of column ties per ACI 318 Section 1 2 1 of the ACI 318 Building Code lists the.
Section 7 10 5 2 pg 315 49 information that shall be shown on the structural. Table 7 Minimum requirements for column spiral drawings which includes the following. spacers pg 315 49 l Anchorage length of reinforcement and location. Table 8 Bundled bars as column verticals Design and and length of lap splices. detail data pg 315 50 l Type and location of welded splices and mechanical. Table 9 Compression embedment and lap splices for connections of reinforcement. grade 60 bars bar diameters pg 315 50, Table l0 Tension development length in for grade 60 1 2 Drawing standards. uncoated bars in normal weight concrete pg 1 2 1 Materials The minimum standard media for. 315 51 production of engineering drawings should be pencil on. Table ll Tension lap splice length in for grade 60 tracing paper Other media providing improved repro. uncoated bars in normal weight concrete pg ducibility or durability such as ink tracing cloth or. 315 52 polyester film may be utilized, Table 12 Tension development length in for grade 60 1 2 2 Sizes Drawings should be made in standard. epoxy coated bars in normal weight concrete sizes All sheets in any one set of drawings should be the. pg 315 53 same size There are two well recognized sets of standard. Table 13 Tension lap splice length in for grade 60 sizes. epoxy coated bars in normal weight concrete, pg 315 55 Commercial standards. Table 14 Minimum tension embedment lengths Zdb in 18 x 24 in. for standard end hooks on grade 60 bars in 24 x 36 in. normal weight concrete pg 315 56 27 x 36 in, Table 15 Minimum tension embedment lengths Zdb in 30 x 42 in. for standard end hooks on grade 60 bars in, lightweight aggregate concrete pg 315 57 Federal agencies.
17 x 22 in, 22 x 34 in 2 in binding AASHTO, PART A RESPONSIBILITIES OF 28 x 40 in 2 in binding. THE ENGINEER 30 x 42 in, CHAPTER l ENGINEERING DRAWINGS All dimensions are to cutting line outside of margin. Border lines are inside these dimensions, l l General 1 2 3 Direction An arrow indicating the direction of. Engineering drawings are those prepared by the north should be placed on every drawing which contains. Engineer for the Owner or purchaser of engineering ser a plan view. vices The engineering drawings and the project specifi 1 2 4 Scales The scales used should be indicated on. cations form a part of Contract Documents Engineering all engineering drawings preferably under the title of. drawings should contain an adequate set of notes and all each view Drawings that may be enlarged or reduced in. other essential information in a form that can be quickly reproduction should show a graphic scale as well as a. and correctly interpreted These drawings should convey descriptive one to aid the user. definite instructions and show reinforcing bars and 1 2 5 Lettering All lettering shall be clear and legible. welded wire fabric Engineering and placing drawings If reduced scale photographic prints are to be made for. may be combined field use lettering must be correspondingly larger and. The responsibility of the Engineer is to furnish a clear meet microfilming standards in accordance with the. statement of design requirements the responsibility of National Microfilm Association publication Modern. the Detailer is to carry out these requirements The En Drafting Techniques for Quality Microreproductions. gineer s specifications or drawings should not merely. refer the Detailer to an applicable building code for Requirements for placing drawings are in Part B addressed to the Detailer. RESPONSIBILITIES OF ENGINEER 3, 1 3 Engineering drawings Buildings and other struc welded wire fabric must show the mark style width. tures length and number of pieces, 1 3 1 General Engineering drawings and or specifica Reinforcement for larger structures is sometimes.
tions for elements like beams girders columns walls detailed fabricated and delivered by units for example. and foundations shall show type and grade of steel any footings abutments piers and girders The reinforce. special coatings service live load partition ceiling and ment list may be similarly subdivided If the structure is. hanging loads or any special dead loads other than the sufficiently large a separate drawing and reinforcement. self weight and concrete strength Engineering drawings list is usually made for each unit. and or specifications shall also show concrete dimensions Reinforcement for foundations piers abutments. anchorage length of reinforcement and location and wingwalls and slabs are usually shown on the plan. length of lap splices type and location of welded splices section or elevation Cross sections must be provided for. and mechanical connections of reinforcement concrete clarification where necessary The reinforcement list must. cover for the reinforcement required joints and any be a complete summary of materials required. other information needed for the preparation of rein For reference data on reinforcing bars and welded. forcement placing drawings Sleeve locations and any wire fabric from industry sources refer to the Supporting. special reinforcement around sleeves or openings should Reference Data section of this manual This section. be indicated by the Engineer See Fig 1 2 3 7 15 16 includes specific information on applicable ASTM speci. and 18 In addition to these requirements engineering fications coated reinforcing bars common stock styles. drawings of beams girders and columns should also and design data for welded wire fabric and reinforcing. show the information presented below bar supports, 1 3 2 Beams and girders Schedules for beams and. girders must contain the beam mark size of member, number and size of straight and bent bars special notes CHAPTER 2 STANDARDS OF PRACTICE. on bending number size grade and spacing of stirrups. or stirrup ties location of top bars and any special 2 1 General. information such as the requirement of two layers of This chapter provides the Engineer with minimum. steel Show sections for beam column joints where standards for application during the development of the. necessary design Information presented here is a collection of. In continuous beams the number and spacing of top notes derived from ACI 318 ACI 343R AREA Manual. bars to be placed in T beam flanges slabs for crack for Railway Engineering Chapter 8 Concrete Structures. control must be shown if so required by the design and Foundations and AASHTO Standard Specifications. 1 3 3 Columns Column designs must show size of for Highway Bridges restated for emphasis and conven. columns number locations grade and size of rein ience industry practice practical considerations and. forcement and all necessary details where column section research results current at the time of this report Rein. or reinforcement changes Splicing must always be clearly forcement for structures designed under the provisions of. defined showing arrangement of splices whether butt or ACI 349 ACI 359 and other similar documents can. lapped any staggers and type of connection required for generally incorporate the direction given in this standard. butt splices Orientation of reinforcement in two way unless otherwise prohibited by the provisions of the. symmetrical columns must be shown when reinforcement respective related documents. is not two way symmetrical, 2 2 Tolerances, 1 4 Engineering drawings Highway and transportation Practical limitations of equipment and production. structures efficiency have led to establishment of certain fabrication. 1 4 1 Dimensions Since the engineering drawings for tolerances which can be met with standard shop equip. highway structures usually are a combination of en ment These standard tolerances are shown in Fig 4 and. gineering and placing drawings from which the structure 5 for both straight and bent bars Where more restrictive. will be built all dimensions should be clearly shown tolerances are required than those shown in the refer. Drawings must show the dimensions of concrete protec enced figures they should be indicated in the Contract. tion for all reinforcement Where separate placing Documents The effects of tolerances on cover strength. drawings are prepared structural dimensions may be constructability and serviceability of the structure should. omitted following the same practice as for buildings see be considered by the Engineer. Section 3 5, 1 4 2 Reinforcement Combination engineering placing The term highway and transportation structures used herein includes bridges. drawings must show the size spacing and location of the drainage and related structures. t Subject to requirements of ACI 318 Section 7 7 1 or AASHTO bridge. bars and welded wire fabric in the structure The list of specification. bars must show the number of pieces size length mark Code Requirements for Nuclear Safety Related Concrete Structures. of bars and bending details of all bent bars The list of 0 Code for Concrete Reactor Vessels and Containments. 4 RESPONSIBILITIES OF ENGINEER, 2 3 Combination drawings diameter of the stirrup 4 minimum Ties provided to.
Combination engineering placing drawings should resist radial forces . DETAILS AND DETAILING OF CONCRETE REINFORCEMENT ACI 315 92 Reported by ACI Committee 315 Section 1 2 1 of th e ACI 318 Building Code lists the

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