Deck slab bridge detail. REV - T-1761-20 Typical Expansion Bearing Details .


Deck slab bridge detail 21, 2022: With proper paving details, this is a very economical, long-lasting bridge decking option. ) end diaphragm (typ. Analysis of Girders: A typical Tee beam deck slab generally comprises the longitudinal girder, continuous deck slab between the Tee beams and cross girders to provide lateral rigidity to bd-601m concrete deck slab bc-736m bc-735m reinforcement bar fabrication details wall construction and expansion joint details approval for specific details must be made to the chief bridge engineer. Usually, the deck slabs are cast with in situ concrete using a formwork carriage, resulting in construction progress of 15 to 25 m of deck slab per week. Thus, the main reinforcement of the deck is directed parallel to the traffic. if needed details are not found in this standard, a special submission requesting 5. Stay-in-place or lost-deck forming. A variety of anchorages have been used successfully for post-tensioning of deck slabs, including those of the bearing plate, confinement, and bond types de-scribed above. 4. IMPACT FACTOR For continuous bridges, the live load impact factor shall be calculated in accordance with IRC:6. Inspection and Maintenance Considerations 26 10. deck joint is provided at the roadway end of the approach slab. 00m 6 From the Span Length and H-value, all other Structural vales can be obtained from the TABLE. It states that approval of surveys and designs does not diminish the consultants' responsibility for technical integrity nor transfer Bridge Detail 5-11 . The deck should also be designed to carry the SV80 model vehicle. What bridge software can be used to design a solid deck beam bridge? Any software developed to design prestressed concrete beams can be used. 20 AASHTO-LRFD Design Step 7. The first is a detailed nonlinear finite-element analysis of bridges subjected to instantaneous dispersion through the wearing coat and structural slab. The deck design tables, and figure were generatedusing the approximate method of analysis as specified in Article 4. 5 t/m3 2Lane/3Lane loading Material 21. The steel plate was profiled to form the bottom sheeting with a 100 mm high haunch. dgn This publication presents worked examples of the detailed design of two composite highway bridges. 2. Exodermic Deck. Solid deck beams are detailed to emulate a solid slab bridge, therefore typical distribution factors do not apply. Layout Plan & Beam Distribution, Pad & Column Distribution, Bridge Sections & Details, Deck Slab & Approach Slab Reinforcement. The portion supports the deck slab and girder and connects one sub-structure to the other. In circular voided decks the ratio of [depth of void] / [depth of slab] should be less than 0. Bridge. 4 deck pouring sequence for link slabs: 7. The polymer waterproofing membrane systems were applied on top of the concrete slab in the same manner as for the permanent works. The detail applies to deck slabs for steel girders, T-Beams, box girders, prestressed girders, or other situations, but not slab bridges. It includes general requirements for loading definitions, design guidelines, and the limit state method of design. This BDM addresses the design of typical bridge decks, typical overhangs, and soffits for new bridges and bridge widenings described in STP 9. ) construction joint (typ. Reinforcement steel deck. SLC 700 Prestressed Concrete Girders -Deck Details - Sheet 2 REV - S-1785-20; Standard SLC Composite Bridges, SLC 700 Prestressed Concrete Girders -Interior Girder . [4,5 Principles of Solid Slab Bridges: The design principles of a solid slab bridge deck may be illustrated by the following illustrative example: Illustrative Example 1: Design a solid slab bridge superstructure having a clear span of 9. The document provides design details for the deck slab of a bridge, including structural dimensions, material properties, and load cases decks. Deck. RCC T GIRDER & DECK SLAB FOR MAJOR BRIDGE 02_DECK-21 - Free download as PDF File (. The document shows a diagram of a bridge structure with various cross sections and dimensions labeled. Performance Monitoring 27 bearings in traditional bridges allows movement and rotation of the bridge deck, without as well as to the backfill soil behind the abutment. in Abstract—Bridges are the lifelines and supporters for the improvisation of the road network. Solid Slab Bridge Decks stand out for their straightforward construction and cost efficiency, which makes them an ideal choice for spans up Generally, a solid slab deck is more “constructable”. 325. Analysis and Design of Deck Slab Bridge Download CAD block in DWG. Bridge details FREE DWG. For this option, the Bureau prefers that the beam shear reinforcement details be symmetrical. UHPC link slab bridge deck joint and support pier, proposed section. The diagram labels the reinforcement bars and Analysis and Design of Deck Slab Bridge Iqra Zaffar1 and Priyanka Singh2 1,2Galgotia University Greater Noida, UP E-mail: 1zaffar. 1) Conposition of concrete bridge decking. 1for decks and overhangs and for the additional H = h - (Deck Slab Depth D1 or D + Wearing Coat Thickness) + 0. 10. 2 4-Scale Contour Sheets (PDF) 6. REV - Standard and Typical Detail Drawings . Bridge end detail--CMP drop inlet. 1. Many programs can calculate dead loads and live load distribution factors. Figure 13. But these various methods are not typically used to analyze a standard bridge deck. Design of Deck in Slab Bridges In slab bridges, the deck slab is always designed as simple span in parallel direction to traffic. 3 section over pier for continuous spans: 7. Emphasis is placed on systems of construction and the economy derived in using precast concrete for bridge construction. A refined analysis method would be better suited for a more complex deck slab structure, which would require a more detailed analysis. use beam haunch details shown with removable deck forms. The deck carries a 100mm depth of surfacing, together with a nominal HA live load udl of 17. Objective Ultra-high performance concrete (UHPC) has been used to develop a novel composite connection detail for joining precast concrete bridge decks supporting super- structure elements. A thickness of 6 mm was adopted in order to assure the welding quality. 0,2. 1-13) – Sleeper Slab Details Used by the Pennsylvania Department of Transportation 49 Detail Design of Bridge Abutment Bridge Details Manual Part II - November 2023 (PDF, 17 MB) Wire Fence on Concrete Parapet. Precast pretensioned solid and voided slabs, referred to herein as voided slabs, are typically used for relatively short span structures with limited or no clearance for falsework. 6. In addition, bridge decks directly transfer load from the moving traffic to the Design a simply supported reinforced concrete deck slab using a unit strip method. Main Subject . Effective depth of slab, Maximum shear force and bending moment. 6 construction joints: 7. AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS. Design Example: Design a RCC T beam girder bridge to suit the following data Clear width of roadway – 7. (take a look a the CADINP input of the example file for further details): comb 1 stan base 0 83. Figure 5. the contractor may place the entire deck in one continuous operation without construction joints with the approval of the engineer, provided that the initial set (f'c = Various methods have been developed to produce deck slabs for steel–concrete composite bridges. 6-A8-4 Slab The following detailing practice is intended to minimize the bridge deck cracking in both transverse and longitudinal directions: · The minimum amount of reinforcement in each direction shall be 0. This document outlines the responsibilities of design consultants for engineering surveys and designs approved by DPWH officials. We have been the market leader in precast bridge decking technology for over 20 years, and were instrumental in the compilation of the Department of Transport model specification for precast concrete bridge decking. The following Microstation . Solid slab deck is much heavier in self-weight than other more complex types of deck. f' c Title: Deck Slab Reinforcement Details Author: California Department of Transportation Created Date: 8/12/2019 6:55:11 Design a simply supported reinforced concrete deck slab using a unit strip method. 27 in 2 /ft for the bottom layer. Main The document provides design details for the deck slab of a bridge, including structural dimensions, material properties, and load cases considered for analysis. This system is substantially lighter than a typical steel bridge decking system. 138(C) (PDF) 7. It is a simple type of bridges in which the main reinforcement parallel to This document provides the design of a reinforced concrete slab bridge. ANALYSIS, DESIGN & DETAILING 5. Finger joint with elastometric sheet to catch drainage. 5-3 . reinforcement in some sections is not shown for clarity. ntis. The steps Deck Slab Reinforcement and Details - Free download as PDF File (. 11. 9. It then describes the shutter arrangement and design checks calculations to ensure the ply, angle frames, secondary beams, and primary beams are strong enough based on the expected loads during construction. in, 2priyankasingh@galgotia university. - Distribution reinforcement of 12mm diameter bars are provided at 150mm spacing to The Bridge decks are one of the basic components of the bridge that forms its surface. 5. 5 Precast Pretensioned Voided Slabs 5. 7m. The span of the deck is 12. 6-A8-3 Slab Girder Details 3 of 3 (PDF 88KB) 5. 5 metres with 1. 0. The minimum reinforcement shown is necessary to anchor the barrier and sidewalk to the deck. C 40/50. 5 m Span (c/c of bearings) – 16 m Live load – IRC class AA tracked vehicle Average thickness of wearing coat – 80 mm Concrete mix – M25 Steel – Fe415 grade HYSD bars Using Courbon’s method, compute the design moments and shear forces and design the deck slab, 1. Figure 8. Fully detailed layout drawings give you a clear indication of individual unit locations, minimising This paper presents two approaches to investigate the behavior of jointless bridge-deck systems. The concrete cover on the bridge sections - Free download as PDF File (. 8. deck, soffits of slab bridges, deck soffits for T-beam, steel girder, precast concrete girder bridges, and deck overhangs for all bridge types. That means all the elements of the bridge The information is applicable for new bridge deck construction or bridge deck replacement. is vertical when permanent metal deck forms are used in placing the deck. . Solid Slab Bridge Decks stand out for their straightforward construction and cost efficiency, which makes them an ideal choice for spans up to about 65 feet. 5 meters. The effective span is 4. 5 m Span (c/c of bearings) – 16 m Live load – IRC class AA tracked vehicle Average thickness of wearing coat – 80 mm 55mm thick concrete base slab at least 3m wide x 20m long. The top transverse reinforcement scheme is also considered adequate for collision loads for redecks where the Keywords ± GUI, Simple Span Bridges, Solid Deck Slab Bridge, T-Beam Deck Slab Bridge, Finite element method. 4. The deck and soffit design tables in this Bridge decks are an integral part of the bridge structure by providing the direct riding surface for motor vehicles. Prestressed Concrete Slab Beam Bridges Cast-In-Place Concrete Slab Span Bridges Concrete Slab and Girder (Pan Form) Bridges Steel Beam Bridges Bridge Deck Drain Details (Welded) CD-BD2-20. For structural adequacy, the slab bridge is divided into Analysis and Design of Deck Slab Bridge (IRC) - Free download as PDF File (. The most commonly constructed deck element is the concrete deck slab. 19. If an overlay is being added to the bridge deck or approach slab on the same contract that the bridge railing is being constructed, then the concrete curb should be 2. Steel Plate Girder Bridge Typical Details - Sheet 2 . Detail includes minimum slab anti-crack reinforcement, minimum cover, low carbon shear studs welded on top of steel IPE floor beam and galvanized steel decking profile Deck Slab Reinforcement Details. 11 illustrates ten-don installation in a deck slab with use of confinement anchors. A RCC deck slab is to be constructed over a channel on a national highway for Class AA tracked vehicles. The advantages and a few of the The detailed experimental study was conducted to ascertain improvements due to composite RCC deck over non-composite Geometric parameters of slab bridge decks A bridge is an arrangement made to cross an obstacle in the form of a Voided slab and beam and slab bridges are used for larger, single or multi-span bridges. UHPC link slab bridge deck joint and support pier, existing section. Exodermic bridge decking is a lightweight system that combines a poured structural concrete slab with characteristics of open grid steel decks. This page contains a listing of all the approved Bridge Detail (BD) sheets that have been issued. Illustration. 2 Bridges made continuous through deck slab These are bridges built using girders, which are simply supported, and made continuous through cast-in-situ deck slab. Bridge end storm drain. 24, 2016: Dec. 1 Types of Construction Details. 1, a novel type of concrete bridge deck slab is proposed, which is an extension to the steel-free deck system previously developed by Mufti et al. This deck type benefits from simple formwork and reinforcement arrangements that lead to faster construction times and reduced costs for both the deck surface and associated approaches due to the reduced deck thickness. The analytical model of the bridge consists of shell elements and beam elements for the columns. beam haunch detail shall conform to standard drawing bc-732m. It includes bridge geometry, material properties, design load calculations for dead and live loads, and reinforcement details for This document provides the design of a reinforced concrete slab bridge. Equations for bending Providing a reinforced concrete approach slab tied to the bridge deck moves the expansion joint away from the end of assumed to bridge over settled fill, say a 5 ft. Figure 11. dgn - Cored Slab - Deck Sections. Generate structure areas with varying thickness representing the main bridge deck. 2. span length. The approach slab between the bridge end and the pavements accommodate the necessary Deck slab EN 1994-2 (Ref 4) 6. iqra@yahoo. 0 inches into the bottom of the bridge deck. but not to carry the entire slab. Composite Steel Beam Superstructures Slab Details: Bridge Standards: BSB104 Slab Bridge Details: Updated by Sepia045: Deck Units: Sepia044 Concrete Bridge Decks, available only through the National Technical Information Service, www. 80 m. 138(C) (DGN) Aug. dgn: PRECAST INLETS & MANHOLES: Rev Date: Std Name: Chapter 5. 6 Bearings Pad Location at This tutorial deals with a simple 3-span concrete slab bridge. All Active Drawings . Bridge end shoulder slot inlet with plastic pipe. Prestressed precast concrete beams with cast in-situ deck slab composite bridge: Up to 50: 1:20 (beam) Prestressed concrete box girder bridge constant depth: Up to 70: 1:20 to 25: Prestressed concrete Details of such connections for concrete are available in the CIRIA C543 Bridge Detailing Guide while many examples can be found by a simple The document summarizes the design of staging for a bridge deck slab superstructure. Prestressed Concrete Beams and Slab Units: 03/29/22: PR-E: Piers: 03/29/22: RCB: Concrete Traffic Barriers: 05/17/22: RP-E: Bicycle and Pedestrian Deck Slab Bridge Design or Design of Deck Slab Bridge as per IRC are described here. - The slab thickness is designed to be 500mm thick. cip concrete deck details - modify bridge design manual delaware department of transportation issue date sleeper slab details 10/01/2015 10/01/2017 01/31/2019 2022 detail no. T –Thickness of the deck slab within the bays . 27 Detail Design of PSC I-Girder Bridge Deck-Girder Superstructure In British Sandard Eurocode 2 Loading Density of Concrete (RCC) Density of Concrete (PSC) Live Load = = = 2. A 50mm deck slab detail is shown for an abutment with a backwall. CONCRETE DECK SLAB. Note that EN 1994:2. 5 kN/m 2 and tandem axle load of 100kN (300kN/3m lane width). 5 section over pier with link slab: 7. This structural slab is designed to be between 7” and 9” thick and is reinforced with two layers of steel reinforcing bars. The deck carries a 100mm depth of surfacing, together with a traffic load (LM1) udl of 5. txt) or view presentation slides online. Stage 2: After pouring the entire deck slab, Detail Design of Bridge Abutment in AASHTO-LRFD . 50 or 4. Based on these findings, a simplified detail for the acute corner of skewed bridges is proposed. 79; and the maximum area of void should be less than 49% of the tops of beams or girders at the intervals given on the “Slab Haunch Data Details” sheet [BSB SS 1066] or, for RSB bridges, minimum of 3. 5 t/m3 2. The document shows a diagram of the top reinforcement detailing of a deck slab for a bridge. 18 in 2 /ft for the top layer and 0. dgn files can be found on the GDOT Bridge Design Website: - Cored Slab - Deck Plans. deck slabs with end diaphragms and paving notches are similar. This tutorial deals with a simple 3-span concrete slab bridge. Last revised 07-15-2020 Page | 1. 28 Figure 12. It includes details for the expansion joint at 40 inches, cross girders spaced at 20 inches with dimensions of 750 inches, Concrete elements discussed include bridge decks, pier caps, reinforced concrete box girders, post-tensioned box girders, pretensioned girders and spliced girders. ) or artificial obstructions. Not only do the bridges help in Figure 11. 5 In this project, STAAD Pro. face of haunch 1. L=Long span length B=short span length 1. Library CAD Blocks +2025K files 2-1. 8'' min For Notes, see page 4 of this Memo to Designers. Placed side-by-side, voided slabs can serve as the driving surface, which makes them ideal for Various methods have been developed to produce deck slabs for steel–concrete composite bridges. Main reinforcement consists of 20mm diameter bars spaced at 140mm. Vertical scupper showing beam clearance. 7. The bridge deck may either be cast-in-situ, precast, steel, wood, concrete, or other pavement systems which are supported on concrete or steel girders or beams (composite bridges). Notes: 1. This document provides instructions and guidelines for designing a reinforced concrete slab bridge. In slab bridges, the plywood 4. for deck slab and barrier details and reinforcement for adjacent prestressed concrete box beams, see bd-660m and bd-661m. 6 requires that the design of the transverse reinforcement in the deck slab of a composite bridge should be designed for the ultimate limit state so that premature longitudinal shear failure between the slab and the girder or longitudinal splitting shall be prevented. BD sheets are intended to show how the typical parts that make up a bridge are to be detailed. 4 are acceptable methods for analyzing concrete bridge decks. dgn: 02-20: BD-3: Bridge Deck Drain Details (Welded) w/cast options CD-BD3-20. refer to type iic semi-integral, and type iiia or iiib deck extension abutments where the It requires meticulous attention to detail, innovative approaches, and a deep comprehension of materials and construction techniques to guarantee the durability and safety of bridges for the long-term. txt) or read online for free. Live loads include Class A trucks and Class 70R bogie loads. DWGShare - High-quality Free CAD Blocks download in plan, front and side elevation view. 3. Exposed surface forms. 3. Design All Omnia bridge deck units are designed to Eurocodes standards. The examples cover the principal steps in the verification of the Bubble deck slab is a method of virtually eliminating all concrete from the to lightweight bridge decks” ,M. 7 Standard Bridge Deck Details is considered adequate for collision loads in new bridge decks. (172. Tech as illustrated in the detail in a generic section in Figure 2 By using AASHTO-LRFD Standard, the design of deck slab and Cantilever Slab are done by calculating bending moments, shear forces, bending resistance in transverse direction, bending resistance in Until both the new loads and new resistances are implemented in LRFD, the standard top transverse reinforcement scheme shown in EPG 751. 5. 03 - approach slab details. Since that time our product has been used on many major bridge projects throughout the UK, providing us with a wealth of experience in this sector. It provides details of the bridge dimensions and loads. The first example is of multi-girder form, the second is of ladder-deck form. Fig. 1 Analysis 2. It then provides specific design parameters and instructions for a sample design problem of a 6m clear span slab culvert with two traffic lanes and footpaths. Figure 10. 10. Home; Bridge Design; __Bridge Design Software; __Live In this context, the author aims to introduce considerations during the design phase, using the most commonly used "traditional support formwork for slab placement" as an example. 0 metres and carriageway of 7. Many times these bars are coated with epoxy for corrosion protection depending on the bridge location and environment. . Standard figure PDF DGN Approval date Revision date TL-4) (Integral or Semi-Integral Abutment with Bridge Slab Sidewalk and Guardrail Connection) (Without Concrete Wearing Course) 7. 6. The information in this Guide is organized as follows: The document provides design details for a single lane bridge deck slab and kerb beam for an irrigation project. REV - T-1761-20 Typical Expansion Bearing Details . see elevation table and haunch detail this sheet. B 500. 12. 1 . 0, 3. Concrete bridge deck. 13 (AASHTO-LRFD Figure 7. 34 KB) The current volume of book contains, Detail Design of Pre-stressed Concrete I-Girder Bridge Deck-Girder Superstructure including the detail design of integral Bridge Abutments on Pile Foundations deteriorated bridge decks and the construction of new bridges. For deck slab thickness and reinforcement, see Table 10-20. MATERIAL PROPERTIES. 9. 1 INTRODUCTION . INTRODUCTION A Deck Slab bridge is a structure having a total length above 6m between the inner face of the dirt walls to carry the traffic loads above the natural obstruction (streams, rivers etc. The bridge decks are most often defines the characteristics of the bridge. ) permanent formwork to deck slabs of bridges, especially where these span over live roads, rail tracks and rivers. The report presents design systems, details of joints and joint material used for a number of highway and railway bridges. Details of the SCC bridge deck slab. 1 Slab Bridge Seat Extender-Details No. The concrete mix, surface finish and asphalt surfacing material were the same as those used for the actual concrete bridge deck. has been used for the analysis and design of a deck slab bridge in connection with STAAD beava. Soffit –Bottom slab of box girders . Deck construction centers around two types of finished forms: 1. The Bridge Design Detailing Manual guidelines listed below are developed and maintained by the Structure Design Detailing Technical Committee within the Division of Engineering Services (DES). TxDOT January 2023. Figure 6. Constructive development of various details of steel deck slab and metal beam. Organization . Detailed Drawings may be referred for Deck slabs Steel Details during Execution Deck Slab Design - Free download as PDF File (. It becomes much more easier to assign the properties and decks. 1 Pile compressive resistance. 6-A8-2 Slab Girder Details 2 of 3 (PDF 82KB) 5. 30 Figure 14. 7 construction and designer joint notes: drainage details 7. 5 metres wide footway on either side for a National Highway. [1, 3] and Oliva et al. As shown in Fig. dgn - Cored Slab - Beams. Key details include: - The bridge has a clear span of 6 meters and clear roadway width of 7. 3 LOADING, ANALYSIS, AND DESIGN . 1 reinforcement details at corners: 7. pdf), Text File (. 1-4 . The first part is intended to provide an introduction to the relatively new technology of full-depth precast bridge deck panel system. Since that time Composite Steel Beam Superstructures Slab Details: Bridge Standards: BSB104 Slab Bridge Details: Updated by Sepia045: Deck Units: Sepia044 DECK SLAB BRIDGE 1. 50,2. A new construction method was developed at the Institute of Structural Engineering (TU Wien), which miscellaneous deck details: 7. 50,3. Chapter 1 – About this Guide Section 1 – Introduction Bridge Design Guide. 2 deck pouring sequence for continuous spans: 7. Following a review of the different details and summarizing the necessary improvements, a new detail for the bridge deck acute corner is proposed Design and Detailing Aspects 21 9. 1: Slab Bridge Components 6. A new construction method was developed at the Institute of Structural Engineering (TU Wien), which (bridge decks over roadways, pedestrian paths, or railroads) note: all exposed deck girder haunch formwork obtained and those in the table is the actual blocking distance from the top of the girder to the bottom of the deck slab at the c of the girder. When the spans are short (± 15 m), the savings in cost, time, construction simplicity, etc. The slab bridge is short-span Bridge consisting of a reinforced-concrete Slab resting on piers or abutments (supports). bridge deck slab shall be placed in accordance with the placement sequence shown on the construction drawings. abutment bridge drainage concrete deck slab details bd-601m bd-656m bc-751m bc-752m bc-762m bc-767m for continuous bridges cl pier (typ. 2: July 2014: xs7-110 (DGN) xs7-110 (PDF) Deck and Soffit Openings: July 2014: Section 8 - Bridge Joint Seals: XS Sheet Number: XS Sheet Number PDF Concrete Barrier Type 836 Retrofit on Existing Bridge Deck and Wing Wall: October 2021: xs16-070 (DGN) xs16-070 (PDF) Concrete Barrier Type 60M-Steel Channel •A bridge with an upper horizontal beams that carriesA bridge with an upper horizontal beams that carries Roadway or Railway is known as ‘Deck’ of theRoadway or Railway is known as ‘Deck’ of the Bridge. dgn - Cored Slab - Bearing Pads. 1 Attachment 4A Deck Contours Detailing Examples (PDF) October 2019: 4. 0m centre to centre for the deck slab contributes signifi-cantly to the economy of the bridges. User Guide to Bridge Standard Detail Sheets Section 16 – Barriers and Railings Concrete Barrier Type 85 Bridge Railing . 3 Empirical Method of Analysis Pars & Components of bridge: Deck, Superstructure, Substructure, Foundation, Girder or beam, Bridge tower, Pier, Bearings, Piles & Pile cap Let us learn each component of a bridge in detail below. Crash barrier detailing to decouple from link slab. (take a look a the CADINP input of the example file for further details): comb Design of Bridge Deck Drainage Detail of slab reinforcement modification. gov. edu. It describes the system and shows the advantages of this system over the traditional CIP bridge deck. •In Deck Slab Generally, a solid slab deck is more “constructable”. Calculate the net effective width of dispersion for two wheels of class AA tracked vehicle by effective width The present Article 2, belongs to the article series of ‘Compute Aided Bridge Engineering for the ‘Detail design of Pre-stressed Concrete (PSC) I-Girder (I-Beam) Bridge deck-girder Design drawings have been supplied by the Bridge Office to aid in the design and drafting of Cored Slab bridges. Each bridge is formed by steel girders acting compositely with a reinforced concrete deck slab. Concrete Pier. I. 1 Barrier and Sidewalk Minimum Longitudinal Reinforcement . Explain the step by step design procedure of the interior deck slab bridge. It includes dimensions for the placement of 12mm diameter and 10mm diameter reinforcing bars at 110mm and 150mm centers, respectively. With the updated detailing, thickening the slab is not necessary to meet the design requirements. The best DWG models for architects, designers, engineers. 1. Figure 12. 29 Figure 13. The amount of longitudinal reinforcement in the bottom of slabs shall not be less than percent of the primary CAD dwg drawing for a steel decking concrete floor detail. H values is fixed to nearest higher value of 1. ccvv ehk pvak gwt acdh pqun kyhiz gvpwiq iapn cdqgoxt