Suspended slab reinforcement details pdf free

Suspended slab reinforcement details pdf free. The steel conforms to AS 1397, grade G550 with Z350 and Z450 coatings. 5) In lieu of detailed calculation for deflections, CSA A23. Concrete cover = 25 mm. Library. • In one-way slabs, the length l is equal to the distance Structural Drawings - Reinforced concrete slab (pdf) Drawings. 1 Peter the Great Saint-Petersburg Polytechnic May 10, 2016 · Fig. e. 10% Steel) • ACI 318 Minimum Temperature Shrinkage Reinforcement 0. First, using formula (6. 3 Pretensioned and post-tensioned concrete—Concrete. y Across Line x = l/2. 500 mm. Concreting in Swimming Pool Construction. The effect of the slab opening is evaluated by reducing the perimeter of the critical section b by a length equal to the projection of the opening. 2: Strengthening a slab by increasing its depth from top. x 20 in. The main advantage of a suspended slab is that To resist cracking of the concrete slabs, EC2 (Sec. 6k Views. Download dwg Free - 1016. 3800 – ACICustomerService@concrete. Example 3. Jan 1, 2004 · Request PDF | On Jan 1, 2004, X. Construction details. If the slab is 5 inches thick or less, then position the steel at mid-depth. In two way slab, the ratio of longer span (l) to shorter span (b) is less than 2. Structural Drawings - Reinforced concrete slab (pdf) Drawings. ACI 360, "Design of Slabs-on-Grade", refers to this as a Type B slab. The result is a lightly reinforced slab designed to offset the effects of temperature and shrinkage of the concrete. 08L from the center support. In this article, we will discourse on RCC Flat Slab Design and provide a free Excel sheet and reinforcement details drawing in AutoCAD. For this study, the materials are limited to Reinforcement. 1. Structural Support, Environmental Control, Finish, and Distribution, are expanded in general terms for floor slab systems. I also suggest downloading Cad Details Free Drawing Download. 848. Steps of the structural analysis, flexural design, shear design 2 SLAB DESIGN 1 2. 5 MPa. 24 D. Jan 1, 2021 · Load-Carrying Capacity of SFRC Suspended Slabs with Different Support Conditions. Nominal cover to reinforcement and controlling design consideration, fire or durability (standard Suspended Slab Construction: A Step-by-Step Guide to the Reinforced concrete details. 26f ctm b t d/f yk but not less than 0. 59 MB; Source: Collect; AutoCAD platform 2018 and later versions. 3 (13. The details regarding material, 25. lst5525-1969 types and designation, dimensions, sizes of sheets or rolls, weight, tolerances, mechanical properties, etc, are covered in IS : 1566-1967*. January 2021. 2 Minimum Bearing 3 2. as a floor comprising reinforced or prestressed precast concrete units overlaid by an in-situ concrete layer formed in such a way that it acts compositely with the precast concrete units. FIGURE 1-1 POST-TENSIONED WAFFLE SLAB CONSTRUCTION. ACI 318 emphasizes the importance of anchorage details and accurate placement of the shear reinforcement, especially in thin slabs. Steel in two direc- tions with the bars or wires in contact with one another is considered “one lay- e r. 15 per cent of the gross sectional area. Single spans are, however, common and acceptable. To provide adequate support on the larger side, the main reinforcement bar is provided Apr 20, 2001 · The mesh reinforcement in the slab is placed in the top with 1" covers. Dynamic and/or oscillatory This manual p rescribes the criteria for the design of concrete floor slabs on grade in buildings for heavy loads and is applicable to all elements responsible for military construction. Section 13. 9. Common beam shapes include rectangular, circular, and I-shaped. c) m. Perform the shotcreting or guniting of walls and floors by a concrete of standard mix. ”. When concrete is post-tensioned, the tendons are stressed after concrete is hardened. 1. The minimum area of principal reinforcement is A s,min = 0. In this case, whole of the slab may be considered as This is a CAD dwg drawing with a Concrete Floor Slab Reinforcement Example. Also the reinforcement should extend at least L/3, Where L is shown in the image above. Reinforcing Steel Detaiier in showing reinforcement details. Waffle slab analysis and design is similar to the procedure used with flat plates except that special considerations need to be taken into account to reduce the complexity of calculations needed when Step 6: Concreting in Swimming Pool Construction. reinforced concrete structures. 4. File format: . Jul 7, 2022 · The effectiveness of fibers in hybrid reinforced concrete slabs is more pronounced (smaller reduction of compared to 25% for slabs with fibers alone), thus, supporting the synergistic effect Oct 7, 2023 · Design of the raft slab. Stability and Load Transfer - Smooth Dowels (Bars or Plates) - Enhanced Aggregate Interlock (~0. Slab two-way shear strength Check the adequacy of slab thickness for punching shear (two-way shear) at an interior column (Figure 4): Shear prerimeter: b 0 u u 2 (600 400 2 209) 2836 mm CSA A23. Section 11. 23 D. Determine the size and shape of the beam cross-section, based on the loads and span requirements. Disadvantages. Concrete. These combinations include dead loads, live loads, wind loads, and other environmental factors. Design the slab system shown in Figure 1 for an intermediate floor where the story height = 12 ft, column cross- sectional dimensions = 18 in. , and unfactored live load = 100 psf. Determine v=(V eff -V/ud) where u is SLAB DETAIL OF A TWO – WAY SLAB DESIGN WITH SECTION. 4—Prestressed slab-column connection, p. Reinforcement Details of Simply Supported Beam and Slab. Figures 1 -1 through 1-3 illustrate typical waffle slab construction using unbonded tendons. 0 5 Economical Selection Guide based on Recommended Unshored Spans Product 2 4 6 8 10 12 14 16 18 20 22 24 26 28 this slab. The suspended reinforced concrete slab is tied into the external capping beam at floor level. 15 m = 3. In a flat slab system, the slab is typically thicker near the columns to resist the high reinforcement details for cast-in-place concrete construction. PT slab Construction Steps The basic steps of the construction of the PT slab is as follows: Complete the formwork of the slab Lay the bottom reinforcement of the slab which would be specified by the design Lay the post tension concrete slab ducts Slab Reinforcement Two-way slabs are generally defined as suspended slabs whose ratio of long span to short span (bay length to width ratio) is less than two. reinforced concrete slab on ground is limited to a maximum of 24 m in any direction. 1—Introduction In flat-plate floors, slab-column connections are subjected to high shear stresses produced by the transfer of the internal forces between the columns and the 3. It is divided into three parts: one addressed to the Engineer, one for the Detailer, and a third providing tables and figures. More effective than bearer / joist sub-floors in blocking out noise from upper floors. d) m. as a floor consisting of reinforced or prestressed precast concrete units, usually spanning in one direction, 3. 5. Slabs-on-Ground can be Designed Unreinforced. It shows the step-by-step calculations for determining the slab thickness, reinforcement amounts and spacing for shear and moment capacity. On the edges where the bars run parallel to the form, the first bar should be placed a maximum of 12” from the outside form. Suspended slab. After finishing the concrete, it must be cured twice a day for 14 days. Canada: Stamped ICF Design Guide for Part 9 residential buildings (registration required) Thermal Performance of Insulated Concrete Forms vs 2x6 Wood-Frame (ICFMA) Monitored Thermal Performance of ICF Walls in MURBs (CMHC Never position a single reinforcement layer below mid-depth. It attempts to define the responsibilities of both the Engineer and Detailer. gov. 26fctm/fyk)btd but not less than 0. Concrete grade and aggregate size (minimum standard 25/30 MPa and 20mm). CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D . 2—Edge column-slab connection, p. Suspended slabs are formed and poured in situ, with either removable or ‘lost’ nonloadbearing formwork, or permanent formwork that forms part of the reinforcement. Concrete Floor Slab Construction Process Assemble and Erect Formwork Prepare and Place Reinforcement Pour, Compact and Finish Concrete Curing Concrete and Remove 3. Minimum Lap at “T” intersections. 5 ·1000) = 0. If tiles are to be laid on a slab, please check with the tile supplier for tile expansion joint detail in order for the tiles to cope with normal elastic slab deflections. anywhere within a column strip of a flat slab or within 10 times the slab thickness from a concentrated load or reaction area. The quality of a concrete floor or slab is highly dependent on achieving a hard and durable surface that is flat, relatively free of cracks, and at the proper g. 1-2. Where con-crete floor slab dimensions exceed 24 m in one or both directions, a free joint must be installed. DWG; Size: 1. 18% May Not Allow Joints to Widen Enough to Avoid Random Cracking This paragraph refers to some of the rules that one should follow when bending slab rebars. ph The SkyCiv slab and wall design module also has the capabilities for reinforcement optimization and checking based on different criteria, including concrete cover, rebar orientation, rebar spacing, member type, and others. 4 Diaphragm Action 5 2. 1 General - Welded wire fabric is either oblong mesh or square mesh and is supplied in either rolls or flat sheets. com Composite and Non-Composite Design Guide • V1. The decking spans one way and will usually be continuous over several supports. 5 Fire Resistance 7 3 BEAM DESIGN 8 . Minimum splice. Precast slab Free CAD+BIM Blocks, Models, Symbols and Details. A flat slab is a reinforced concrete slab supported directly on columns without the use of beams. 2‐4. 75 kN/m 2. Heavy loads in building s such as warehouses include moving load s, stationary live loads, and wall loads. There are numerous typical and practical applications of cantilever beams in buildings, bridges, industrial and special structures. Each waffle stem is provided with post-tensioning tendons. Build these walls up only after the props have been removed. Both may benefit from slab edge insulation. Not as well insulated as a ground slab, as the base doesn't touch the ground. Fix the beam reinforcements Anchored into the columns. Plan view of a reinforced concrete floor slab with slab thickness and reinforcement, including a 2. Thousands of free, manufacturer specific CAD Drawings, Blocks and Details for download in multiple 2D and 3D formats organized by MasterFormat. reinforced concrete stairs and provides a parametric study to analyze the relationship between flexural reinforcement and critical factors: reinforcement design methods, geographic locations, stair slab thicknesses, and boundary conditions. +5. 12% of the total cross sectional area for Fe-415 & Fe-500 steel. 1 End Preparation of Hollowcore Planks 2 2. The slab steel is run continuously from side form to side form (lapping 24 diameters mm. 0m from the fixed end. Nov 1, 2020 · Composite Concrete/Steel Slab is a slab where steel decking acts as non-recoverable formwork and partial reinforcement for the floor slab. Their thickness is dependent on the load imposed on them BONDEK®is roll-formed from hot dipped, zinc coated, high tensile steel. Anton Kibkalo1, Mikhail Volkov1,*, Anna Vodolagina1Vera Murgul1. 4 for edge columns where M acts at right angle to free edge 2. DOI: 10. A light top mesh over the waffles is generally the only top reinforcement at the interior of the floor panels. Ludwig emil hernandez. Seven millions of square meter have been completed so far. as wholly of reinforced in-situ concrete, 2. ascsd. 1 Overview 5-1 5. Minimum reinforcement in either direction shall be 0. Check reinforcement size and number as per design schedule. In practice, we see a lot of #5 x 4'-0" @ 16" oc with the down turned 90's. 2. Floor Slab Schematic. x 18 in. figure below. For raft foundations without ground beams, punching shear is also very critical. Flat Slab Design. Jun 11, 2017 · Make sure the top of the concrete column is roughened (Chipped) Provide Edge protection for safety. www. One Way Slab Reinforcement Details: In one way slab, as one side is greater than the other side, the maximum load is carried by the larger side just so giving main reinforcement comparing to that load carrying side will be adequate. Landing U bar (blue line) may be provided at the end of the landing to connect the top and bottom reinforcement in the landing slab. The four function categories, i. 75 m. Exchanges: Contact ACI’s Customer Services Department for options (+1. This paragraph refers to some of the rules that one should follow when bending slab rebars. For most slabs on grade, position the reinforcement at one-third the depth from the top surface. org). Figure B-10: Alternative Floor Slab Detail. Design the slab using the data given below; Purpose of building – Residential. Main reinforcement which is based on the maximum bending moment shall not be less than 0. Figure: 2. 3 of ACI 318-08 allows the use of shear reinforcement for slabs and footings in the form of bars, as in the vertical legs of stirrups. 6m unpropped used in steel-framed construction. Suspended slab can be used either for the upper-floors in a multi-storey building, or as a solid base on hilly or uneven terrain. 15 KB. Raft foundation plan and section detail dwg file, Raft foundation plan and section detail with naming detail, dimension detail, reinforcement detail, bolt nut detail, etc. Determine v max= V eff /u od where u o is the length of column perimeter Check v ma < 0. Preliminary Slab Thickness Sizing Control of deflections. where splices are required), allowing 1-1/2” cover over the ends of the bars. 5 of ACI 318-08 permits headed shear stud 1 2 GUIDE TO CONCRETE FLOOR AND SLAB CONSTRUCTION (ACI 302. x 27 in. For slabs with openings more than 450mm and less 900mm, at least one half the quantity of main steel reinforcement intersected by the opening is provided parallel to the main reinforcement bars on each side of the opening extending a length of development length L d beyond edges of the opening on Categories. It also takes into account changes in other Australian Standards that have occurred since ql2/16. 3-14 (13. As seen in figure-1 below, for a simply supported beam and slab, 100% reinforcement as per the design is provided as tension reinforcement at the mid span of the beam and slab, and 50% is curtailed at the distance of 0. 715m long, and it is supporting a blockwork load at 1. Oct 10, 2021 · Reinforcement? Jointed Floors o Suggested Saw Cutting Depth Early Entry T/5 ± ¼” Wet Cutting T/4 ± ¼” Fiber Enhanced T/3 ± ¼” o Depth of Reinforcement T/5 + 1-1/4” • Example – If slab is 7” thick, locate rebar 2-3/4” CLR Joint Free o Depth of Reinforcement 1-1/4 – 1-1/2” CLR o Exceptions Wire Guidance Floors. This document provides an example problem for the design of a simply supported reinforced concrete slab with given dimensions, loads, and material properties. Steel reinforcing bars. Joist slab design project; sinewy and solid. 15 for internal column, 1. For slabs with openings more than 450mm and less 900mm, at least one half the quantity of main steel reinforcement intersected by the opening is provided parallel to the main reinforcement bars on each side of the opening extending a length of development length L d beyond edges of the opening on 🕑 Reading time: 1 minuteConcrete floor slab construction process includes erection of formwork, placement of reinforcement, pouring, compacting and finishing concrete and lastly removal of formwork and curing of concrete slab. There are also some other techniques used for strengthening a reinforced concrete slab such as: Increasing the shear bearing capacity of the slab by adding steel plates strengthened by vertical screw bolts. 2. is prestressed by one of two general methods: pretensioning and post-tensioning. Subscriptions These items are not eligible for return. where b t = width (for slab design 1000 mm), d = effective depth. Report file. 15% of the total cross sectional area for Fe-250 steel • 0. All other parameters and loads for our slab were determined earlier. Square and Rectangular D. Slab thickness of 250 mm is adequate for one-way shear. The minimum area of main reinforcement has to satisfy clause 9. CSA A23. USA: Prescriptive Design of Exterior Concrete Walls for One- and Two-Family Dwellings (PCA) + Design Spreadsheet. 3 Code gives minimum thickness for two-way slab with beams between all supports on all sides in Clause 13. enclosed by two lines extending from the centroid of the column Jun 6, 2019 · In theory, we could put #4 x 12" straight bars @ 48" o/c around the edges. The calculations are presented for two cases: when the slab corners are free to lift up, and when Jan 1, 2016 · Coffered slabs as a perspective type of the. Trench mesh. If a slab exceeds the 24 m maximum dimension without the inclusion of free joints, it must be specifically designed. Structural Support Functions —The floor slab of the below grade building enclosure must be designed to carry downward vertical gravity loadings as well as Jan 31, 2018 · Reinforced Concrete design - Worked Examples to BS8110. • In one-way slabs, the length l is equal to the distance Two-way joist slab often called two-way ribbed slab or waffle slab is an economical floor system when the spans are long and/or loads are high. Let k be the factor of total load carried by the x-direction strips and 1 − k be the factor of total load carried by the y-direction strips. 3 Allowance for Non-Rigid Supports 4 2. 6), we determine the value of the coefficient a m: a m = 18 / (1· 0. The fifth edition of T38 Reinforced Concrete Design Handbook (HB 71) published in 2011 is a complete revision of the fourth edition, brining it into line with AS 3600 Concrete Structures 2009 and Amendment No. It then establishes certain standards of 12. 3) Theoretically, you probably don't need a hook at the slab edge unless you have a concentrated / line load at the slab edge. Jan 1, 2024 · Request PDF | On Jan 1, 2024, Raghad Awad and others published Punching shear capacity of fiber-reinforced concrete suspended slabs: Database analysis and models assessments | Find, read and cite 1. One outer bar must be bent and continue 500 mm (min) around corner. They are commonly made of reinforced concrete with their top and bottom surfaces parallel to each other. BONDEK®. Self weight of the slab = 25 kN/m 2 x 0. BONDEK®has superior spanning capacities. Full width across the junction. 0 meter cantilever slab with hairpin reinforcement, staircase (stairs) reinforcement with middle landing and slab landing support, hidden beam for slab opening, one way Aug 14, 2018 · A cantilever slab 200 mm thick is 1. These rules apply to both one-way and two-way slabs, with usual lengths and commonly ap-plied loads and only when the reinforcement detailing is not provided by another more accurate way. Detailing Flexural Reinforcement Once the size of the cross-section of a beam has been determined based on serviceability and strength requirements, the required area of flexural reinforcement, A s This video demonstrates how to detail a reinforced concrete suspended slab to show how reinforcement bars are laid. First Load Distribution of a Square Slab For Strip Method of Analysis. 0013bd. Seismic Design Parameters. 8 (2. CAD Standards. Minimum Lap at “L” intersections. The top (steel) reinforcement is important. They support and transfer the loads safely from columns to walls. Detailing of Slab openings of 450mm to 900mm. Control the domains or regions to design under different reinforcement settings, to help minimize materials and design more Section 11. 3—Corner column-slab connection, p. 26 CHAPTER 1—INTRODUCTION AND SCOPE 1. May 21, 2017 · Chajjas and verandahs are a practical example of one way slab. Ratio of moment of inertia of beam section to moment of inertia of a slab (α) is computed as May 14, 2021 · The design information that should be provided in the detailing of reinforced concrete slabs include: Layout and section drawings including details of holes and upstands, etc. . 248. If a slab is to be used as a roof slab, place a 50cm crushed stone layer Fig. The first article, on Two-Way Slabs, ran in the June 2019 issue of STRUCTURE. it is about modeling in plans and sections. enclosed by two lines extending from the centroid of the column The total replacement of traditional rebars is now completely routine for 15 year in applications such as industrial and commercial suspended slabs resting on pile grids, which can span from 3 m to 5 m each way, with span to depth ratios from 15 to 20. 1-2010. Two-Way Concrete Floor Slab with Beams Design and Detailing. 11. A suspended slab is a concrete slab that is suspended above the ground on steel joists or beams. Support is as for in-situ floors. Design. 3. Concrete slabs are structural elements used to create flat horizontal surfaces, like floors, ceilings, and roof decks. Destrée published Structural application of steel fibres as only reinforcing in free suspended elevated slabs: Conditions - Design examples | Find, read and cite dpwh. Foundation Notes. 2 Perimeter reinforcement at floor edges 6 2. 8. The pitch of the main bars shall not exceed the following: Nov 30, 2020 · The slab sections are designed as rectangular beam sections 1000 mm wide. Here are the general steps involved in reinforcement detailing in beams: Determine the loads and load combinations that the beam must support, and the span of the beam. Adding steel beams. Detailed design project for a reinforced concrete slab. Unit weight of concrete = 25 kN/m 3. y Along Section 1-1. 3) specify details such as minimum area of reinforcement required in a section and limits to the maximum and minimum spacing of bar. 0013b t d, where b t is the mean width of the tension zone. Reinforcement: One-way Slab System, %XLOGLQJ ([DPSOH ± 'HWHUPLQDWLRQ RI /DS Splice Lengths: One-way Slab System, %XLOGLQJ ([DPSOH ± 'HWHUPLQDWLRQ RI Reinforcement Details: One-way Slab 6\VWHP %XLOGLQJ Chapter 5 Two-way Slabs 5. it presents cross section, longitudinal and detail with designations and technical specifications. 24038. Losas alivianadas alveoplaca. You can exchange useful blocks and symbols with other CAD and BIM users. 1 Shear resistance of grouted joints 5 2. Normally, it is assumed Powered By BEdigitech. 1 of ACI 318-111 identifies a two-way slab as a slab system designed for flexure in more than one direction. 3) Tributary area for two-way shear is t = SF transferred from slab k = 1. Download dwg Free - 147. 7. 2-3: In the middle columns of dimensions as x bs from adjacent reinforced flat slab of thickness hs at a critical cross-section carries a full load slab, shear force Vcd = 400 kN, shear force from accidental load Vcd = 325 kN and the bending moment Mcd = 20 kNm (moment transmitted from slab to Design compressive strength for concrete of class B20 according to table 4 Rb = 11. The Wire Reinforcing Institute recommends the use of the Subgrade Drag Theory for slabs up to 150 feet in length. Load Combinations (Section 2) AS 3600 specifies various load combinations that must be considered during the design of reinforced concrete slabs. Provide cover blocks for slab and beams. f ck = 25 Mpa. Post-Tension Slabs: Analysis, Design & Construction- S02-035 4 Figure 5. they are different types of slabs for mezzanines; rooftops; eaves. 390 CAD Drawings for Category: 03 20 00 - Concrete Reinforcing. Drawing labels, details, and other text information extracted from the CAD file: section detail, scale, dnts, length, thickness, width, column strip bars, temperature bars, bars, main bend bar, extra bar, column strip bar, two way slab detail, scale, dnts, romanco construction slab detail 7. Strengthening of the slab by post stressed reinforcement. In book: Fibre Reinforced Concrete: Improvements and Innovations Conventional slabs can be insulated beneath the broad floor panels; waffle pods are insulated beneath. Tendons 4. msdy 225 kN. Fig. 1 (1) of Eurocode 2; As,min = (0. 25 corner columns and edge columns where M acts parallel to free edge and 1. Feb 4, 2018 · Thus for main reinforcement up to 12 mm diameter bar and for mild exposure, the nominal cover is 15 mm b. 0mm BMT BONDEK®can be used as a permanent formwork spanning up to 3. This example will demonstrate the analysis and design of the rectangular reinforced concrete cantilever beam shown below using ACI 318-14 provisions. The design of the raft slab is done just like the design of a normal suspended floor, but there is usually no need to check for deflection. f yk = 460 Mpa. 74 KB. Ramon bustamante. 3. , interior beam dimensions = 14 in. 36. These joists or beams are supported by columns or walls, and the slab is then poured over the top. Reinforced Concrete Design Handbook. The slab is then reinforced with steel rebar or mesh, which provides additional strength and stability. The slab is constructed on well compacted granular fill, crushed stone or marl. The standard provides load factors to account for uncertainties and safety margins. Precast Concrete Suspended Slab. 70. Minimum reinforcement : The reinforcement in either direction in slab shall not be less than • 0. 3 Beam transverse reinforcement 6 2. The amount of reinforcement may be taking as equal the distribution reinforcement. 36 mm) sieve. Requires crane access. 13. 1007/978-3-030-58482-5_54. More recently, the structural use of steel fibre-only reinforcement at high dosage 2. 1—Purpose This guide presents information relative to the construction CHAPTER 5—DESIGN CONSIDERATIONS of slab-on-ground and suspended-slab floors for Jul 25, 2017 · FREE. 8 fcu or 5 N/mm2 3. But, then, often times you do have that. the slab carries í µí°º í µí°¾ = 10 KN/m 2 including self-weight and í µí± í µí°¾ = 5 KN/m The amount of reinforcement may be taking as equal the distribution reinforcement. Bottom reinforcement to be lapped within 1/3 beam span from supports only. 10. Use special tools to shape the surface as per the design. Two Way Slab: Two way slab is supported by beams on all the four sides and the loads are carried by the supports along with both directions, it is known as two way slab. 1R-15) CHAPTER 1—INTRODUCTION workability factor—percentage of combined aggregate that passes the No. 15 percent of total cross-sectional area. Height of block wall = 2. 2 Minimum Slab Thickness 5-2 2YHUYLHZ )ODW 3ODWHV Jun 11, 2017 · Make sure the top of the concrete column is roughened (Chipped) Provide Edge protection for safety. Free CAD and BIM blocks library - content for AutoCAD, AutoCAD LT, Revit, Inventor, Fusion 360 and other 2D and 3D CAD applications by Autodesk. , edge beam dimensions = 14 in. When concrete is pretensioned, the tendons are stressed in the form before concrete is placed. o. Download this free CAD drawing of a flat slab detail for use in your construction CAD models. • Joint Spacing, Depth, and Timing Extended Joint Designs Joint . 08 2 · 11. Reinforcement for Slab. qj ho iw as cx qz pj jq os ix