Float an appropriate mortar to create a 2% slope on flat concrete areas between the base and walls. A Unified Perspective of Window Formation. f. All Walk-in Freezers and Refrigerators 100 to 200 mm (4 in. Autodesk does not warrant, either expressly or implied, the accuracy, reliability or completeness of the information translated by the machine translation service and will not be liable for damages or losses caused by the trust placed in the translation service. I've heard that builders take different approaches to dealing with the lowered area of the slab. Sign Up to The Constructor to ask questions, answer questions, write articles, and connect with other people. It seemed to work, except as soon as I hit finish mass, I got a window telling me the void needed to cut solid geomentry or to be deleted. Float an appropriate mortar to create a 2% slope on flat concrete areas between the base and walls. Dividers at approximately 5'-0" on center are still required to help offset any expansion or contraction of the terrazzo … I hope autodesk must be doing something to avoid these kind of patch work. Become VIP Member, Do you need to remove the ads? (Total thickness = 5 1/2") The slab on the left (low steel elevation) is a 6 inch normal weight concrete slab on 2 inch deck. FOREWORD 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 grade and elevation. A test of the slab depression tools of the Medeek Foundation plugin. The rooms are mostly for storage and will have vinyl composition tile. I'm currently laying the underslab dwv system and building a box that will provide a void in the fill and EPS to install the p-trap and drain piece later at the correct height. e. Terrazzo Floor 50 mm (2 in.) If you need to float mortar onto the base, first apply one coat of Tank/10 to the base for better adhesion of the mortar. Answer: Slab elevation may be set by right-clicking on the slab which will be depressed, then within the Assignments tab, adjust the vertical offset relative to the top of the slab. When I began the previous post the drain annotation was not nested with equality constraints. I have used 300X600 concrete beam to get the sides for the depressed slab. I'm currently laying the underslab dwv system and building a box that will provide a void in the fill and EPS to install the p-trap and drain piece later at the correct height. 5 Likes Reply. How did you get the sides for the depressed slab? Then used the Join Geometry tool to join to the floors and beams together. Minimize the number of pours to avoid cold joints. Spread mortar with a ½" notched trowel for uniform adhesion. Genie ® GS™ slab scissor lifts are exceptionally mobile, letting operators easily maneuver around tight indoor and outdoor worksites with firm, level surfaces. the concrete slab. the concrete slab. Following are the RCC Slab Design and Detailing guidelines: Effective span of slab shall be lesser of the two. I am modeling a building in RAM with a 5 inch slab depression. The slab on the right (high steel elevation) is a 3 1/2" lightweight concrete slab on 2 inch deck. modify the framing and depress the floor slab in accordance with the requirements of proposed equipment. I have proposed installing a P.T.d 2x under the metal track (with an isolation member between)to raise it up so that when the tile sub installs the mortar bed, sloped up to the perimeter walls, they ; 1). Reinforced Concrete Slab Design and Detailing Guide IS456: 2000, Reinforced Concrete Slab Design Guidelines, Detailing Requirements of Reinforced Concrete Slab as per IS456: 2000, Materials for Sealing Joints in Water Retaining Concrete Structures, Rate Analysis for Cement Mortar -Calculate Quantity and Cost, Petra Jordan: A World Heritage Site Under Risk, L = Center to center distance between the support. Reinforce the slab with wire mesh or fibers to reduce shrinkage cracking, especially near the inside corner of “L” shaped slabs. A sand cushion terrazzo floor is the ideal system for a floor where deflection or movement is anticipated. All Rights Reserved. the trail depth can be obtained using: Or, the following thumb rules can be used: The load on slab comprises of Dead load, floor finish and live load. Posted on November 27, 2013 by Jarod Schultz. In it, I need a 4" depression. Login to The Constructor to ask questions, answer people’s questions, write articles & connect with other people. Dividers at approximately 5'-0" on center are still required to help offset any … Out of the box there is not a simple family to do this but let’s learn how to build one. This is not an official translation and may contain errors and inaccurate translations. In the home, a depression in concrete can cause serious problems with the floor -- tiles can crack or gaps can form between planks, for instance. The slab directly rests on beams or the column and load from the slab is directly transferred to the beams and columns and then to the foundation. Depression is a mood disorder that can affect a person’s daily life. We can add a slab depression either by creating a hosted family and loading it into our model or by creating an in-place family within the model. Slab Depression I have cut an opening in the floor slab and added Beams on either side of the opening and create another slab lower down in the opening to represent the depresssion. - [Instructor] One last thing I'd like to do with slabs is create a slab depression. Whether a depression is considered a hole or an unprotected side/edge is relevant where the depth of the depression is less than 6 feet. I have also used the Join Geometry tool to join them together but the slab line still showing. I've heard that builders take different approaches to dealing with the lowered area of the slab. Before finishing mass, I selected cut geometry. An example list of requirements in excess of 3" includes: Depression. Can't find what you're looking for? Dead load = D x 25 kN/m2 ( Where D is thickness of slab in m), Live load (Assumed as) = 3 to 5 kN/m2 (depending on the occupancy of the building). Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for one-way and two-way slabs as per IS 456:2000 have been tried to present here. NOTE: See Computer Systems, Chapter 12. i. It may be described as feelings of sadness, loss, or anger. The loads are calculated per unit area (load/m2). The reinforcement in either direction in slab shall not be less than, The maximum spacing of bars shall not exceed. 10" 3. The contractor poured a portion of a slab on ground 2-1/2" too low. It lasted a decade. So now the beams and floor clean up without having to use the Mask Region tool, unless you need to get rid of the bottom of the top floor slab in the background, but if you have another beam in the back and fore grounds you will not see this line. I used two structural concrete beams (1'X2'). In it, I need a 4" depression. 37" 4. Welcome to Autodesk’s Revit Architecture Forums. A test of the slab depression tools of the Medeek Foundation plugin. to the east of the slab. © Copyright 2018 Autodesk Inc. All rights reserved, autodesk-fusion360-header-nav-label.product-name, autodesk-fusion360-header-nav-label.support-and-learning. The latter may cause local modes when their load/additional mass are part of the lateral mass source. Country Floor Slab Depression Requirements. Recess for cobalt machine. Spread mortar with a ½" notched trowel for uniform adhesion. Share your knowledge, ask questions, and explore popular Revit Architecture topics. This module gives RSS the ability to design slabs using the power of RAM Concept. The contractor's solution is to apply a bonding agent and infill the 2 -1/2" with a 4,000 psi grout. Some form the depression intergal with the rest of the floor while others block it out and pour it later. Find the height of Slab 2 and the length of Slab 3. Distribution steel –5d or 450 mm whichever is smaller Where, ‘d’ is the effective depth of slab. How is the depressed portion of a slab modeled such that elevation varies? Report. Did you use walls or another thickened slab to reflect the depth between the floor at level and the depressed floor? to 8 in.) Whether indoors or out, the best way to level a depression in concrete is to fill it in level. Your content is now stored within your company organization. Or more correctly, there seems to be a number of ways to do it, and I am not sure which is best. Where used, finish control joints with a 1/2-inch depression and fully fill this recess with polyurethane or similar caulk. Derek J. Thorkelson, in Encyclopedia of Geology (Second Edition), 2021. Quick Slab Depression I'm working on a building that has several areas where the concrete floor slab must be depressed for ceramic tile finish and sloped for drainage. The depth of slab depends on bending moment and deflection criterion. I then created a void extrusion. There have been 33 recessions since 1854. 3D Warehouse is adding a new feature for verified companies like yours. Properties of the surface are determined by the mixture I then created a void extrusion. - [Voiceover] One last thing I'd like to do with slabs is create a slab depression. Minimize the number of pours to avoid cold joints. However, due to the thickness of the system a slab depression of 2.5" to 3" is required. © 2009-2020 The Constructor. If you used to the later the floor at level and the depressed floor slabs should clean up with the Join Geometry tool. True, it is ok if you are planning to render but the line still showing even after making the same material in the drawing area or in the print. Lost your password? FOREWORD 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 grade and elevation. Designing Slabs in RAM Structural System (RSS) is now possible. Ask the community or share your knowledge. It will have been more interesting if the design guidelines can be juxtapose with the BS 8110 requirements. Analysis of individual records suggests a local depression of 30 km in the 660 and a broadening of the Data and Synthetics transition zone directly beneath and to the west of the Tonga The March 9, 1994 (Mw = 7.6) event produced excellent ScS slab, in a region of possible near horizontal slab. 4" - 8" 2. - [Instructor] One last thing I'd like to do with Slabs is create a Slab Depression, not that it's sad or anything. Prefabricated rooms including: audiometric, freezers and refrigerators, R.F. now i can see about growing professionally, i like Civil engineering because iam engineer, please in item (c) dead load is D*24kn/m2 , the density of concrete evenly to 24 not 25. please give an example of prepared bar bending schedule…. I created a 12" concrete slab. Properties of the surface are determined by the mixture Is this what you are trying to achieve? If you used a wall the materials must be identical. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for one-way and two-way slabs as per IS 456:2000 have been tried to present here. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Item(s) 1. There's been only one depression, the Great Depression. Please enter your email address. It seemed to work, except as soon as I hit finish mass, I got a window telling me the void needed to cut solid geomentry or to be deleted. 2- For semi-rigid diaphragms, the contained areas are recommended to be assigned with the same structural properties of the base slab in lieu of null areas. The angle of depression from Slab 2 to Slab 1 is 22°and they are 8 feet apart. Recess for hydrotherapy tank. The 4" concrete floor slabs in areas with drains are depressed 2" to receive a sloped mortar bed. This gives me the appearance I need and the correct volume of concrete. Sorry, you do not have permission to ask a question, You must login to ask question. The standard does not set a maximum dimension for a depression to be considered a "hole." Reinforce the slab with wire mesh or fibers to reduce shrinkage cracking, especially near the inside corner of “L” shaped slabs. Your content is now stored within your company organization. Before finishing mass, I selected cut geometry. Main Steel – 3d or 300 mm whichever is smaller. Following are the RCC Slab Design and Detailing guidelines: Contents:Reinforced Concrete Slab Design Guidelinesa) Effective span of slab: b) Depth of slab: c) Load […] 40 Slab 3 Slab 2 22 Slab1 2ft -Level Ground 8ft Thanks a lot for your reply. That … method statement for different construction activities will make your blog very lucrative. We model our floor finishes as separate floors anyway (with filters applied to hide them in all but finish plans), so this works for us. If necessary, use small shims to support Since 1945, recessions have lasted for 11 months on average. Revit Slab Depression Family. Characterized by low noise levels, Genie slab scissor lifts provide excellent capacity and large platform workspace. Please refer the attached image. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. We can add a slab depression either by creating … a hosted family and loading it into our model … or by creating an in-place family within the model. The maximum diameter of bar in slab, shall not exceed D/8, where D is the total thickness of slab. shielded, clean, and environmental. According to the National Burea of Economic Analysis, it was actually a combination of two recessions. Thus for main reinforcement up to 12 mm diameter bar and for mild exposure, the nominal cover is 15 mm. no regrets. Slab Depression - Part 2 I stated that using Revit leads to expansive thinking. I have also used the Join Geometry tool to join them together but the slab line still showing. control rooms. He thought it was a depressed slab, but it is not. Then I used from the Drafting tab Masking Region to mask out the lines that crossed through were the floors and concrete beams joined and the open depressed slab area at the bottom of the floor showing in the opening. This may not be the best solution, but if I have a 6" slab and need a 2" depression, I cut a hole through the slab. The existing slab is 6 inches thick with 4x4 W4.0xW4.0 WWF. However, due to the thickness of the system a slab depression of 2.5" to 3" is required. In RSS version 14.05 a slab design module was added. The Californian slab window is the product of three main process: (1) ridge subduction, (2) slab tearing and microplate formation, and (3) thermal erosion. Become VIP Member. The effective depth d of two way slabs can also be assumed using cl.24.1,IS 456 provided short span is <3.5m and loading class is <3.5KN/m, Two way simply supported slab d=(L/20) to (L/30), Two way restrained slab d=(L/30) to (L/32), 0.15% of the total cross sectional area for Fe-250 steel. Some form the depression intergal with the rest of the floor while others block it out and pour it later. Thanks. Refer to the attached sketch. (Total thickness = 8") I got it but is it the only way to solve this kind of problem i mean it looks ok but it's not a perfect solution. I have cut an opening in the floor slab and added Beams on either side of the opening and create another slab lower down in the opening to represent the depresssion. … This video is going to have us do in both. If you need to float mortar onto the base, first apply one coat of Tank/10 to the base for better adhesion of the mortar. … To get started in Revit under families, … let's go New, browse to my English imperial. Basically, assume a 6" slab, with an area in the middle that needs a 2" depression, that is then filled with a 2" thick tile floor. g. RFI Shielded Rooms 38 mm (1 1/2 in.) VIP members get additional benefits. u r rght but only about..concrete density is 24 n/sq.m but here we r considering density of reiforced conrete…so its dnsity is 25 n/sq.m, Wow great site. Positive adjustment raises the slab, whereas negative depresses. Basics of Reinforced Concrete Slab Design, Types of Design and Detailing Errors in Construction and their Prevention, Causes of Excessive Deflections in Reinforced Concrete Slabs, Types of Economical Floor Systems for Reinforced Concrete Buildings. You will receive a link and will create a new password via email. This page has been translated for your convenience with an automatic translation service. It would be easy to place a couple of hidden lines on the floor plan, drop in a 2D floor drain, and be done with it. For starters, I created types for 1”, 2… Often when I re-visit a recently-constructed family I add to it, enhance it or improve it in some way. However, if the diameter of bar do not exceed 12 mm, or cover may be reduced by 5 mm. The geometry was based on this structural detail, and adapts to the thickness of the host slab. If so I did this with a 6" concrete floor with an opening and 6" concrete floor in the depression. Then I place a 4" slab in the void 2" down then join the 2 slabs. I get asked quite a lot about doing depressions in slabs, floors, and walls with Revit. A test of the slab depression tools of the Medeek Foundation plugin. 3D Warehouse is adding a new feature for verified companies like yours. h. Central Computer Rooms 300 mm (12 in.) 0.12% of the total cross-sectional area for Fe-415 & Fe-500 steel. This video is going to have us do in both. It didn't take long to create a rectangular and an L-shaped stretchable generic model that creates a slab depression and performs all the above mentioned steps at once. Slab 3 is leaning on Slab 2 making an angle of 40° with a vertical reference line. If necessary, use small shims to support Please refer the attached image. A depression is a more severe downturn that lasts for years. Now, a lot of times, I see people go to a floor plan and just start drawing in detail lines. VIP members get additional benefits. I am having trouble creating a slab depression. Sorry, forgot to make the materisl for the beams and floors identical. I created a 12" concrete slab. Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Message 5 of 9 jaredmk. In this Click Savers I want to discuss a family that is missing from the Revit platform. Note: The minimum clear spacing of bars is not kept less than 75 mm (Preferably 100 mm) though code do not recommend any value. Except where otherwise noted, work provided on Autodesk Knowledge Network is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.Please see the Autodesk Creative Commons FAQ for more information. A sand cushion terrazzo floor is the ideal system for a floor where deflection or movement is anticipated. A depression in a concrete pad or driveway is a place for water to collect. 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Edition ), 2021 … to get the sides for the beams and floors identical possible! And floors identical VIP Member, do you need to remove the ads Rooms 300 whichever... Times, I see people go to a floor where deflection or movement is anticipated up 12. Moment and deflection criterion whereas negative depresses disorder that can affect a person ’ s questions, people... Where used, finish control joints with a ½ '' notched trowel for adhesion. Heard that builders take different approaches to dealing with the lowered area of the slab RFI Shielded Rooms 38 (! Be juxtapose with the lowered area of the host slab, a lot about doing depressions in slabs floors. Contractor 's solution is to fill it in some way mass source the Join Geometry tool to Join them but. For different construction activities will make your blog very lucrative any expansion or contraction of the lateral mass source for. Are part of the slab depression tools of the total cross-sectional area Fe-415! Excess of 3 '' is required link and will have vinyl composition tile especially near the corner. But the slab depression tools of the box there is not a simple family to 2 slab depression it, walls! Learn how to build one let ’ s daily life it was actually a of... Down then Join the 2 slabs this module gives RSS the ability to slabs... Lifts provide excellent capacity and large platform workspace … to get started in Revit under,... Login to the National Burea of Economic Analysis, it was a depressed slab of patch work slabs in with... Mortar to create a 2 % slope on flat concrete areas between the floor while block! For uniform adhesion least dimension, in Encyclopedia of Geology ( Second Edition ) 2021!, Freezers and Refrigerators, R.F fibers to reduce shrinkage cracking, near. Pours to avoid cold joints for the depressed slab, shall not exceed D/8, D... Get started in Revit under families, … let 's go new, browse to my English imperial Computer! [ Instructor ] one last thing I 'd like to do with is! How to build one Effective span of slab 3 slab 2 22 Slab1 2ft -Level 8ft... For 11 months on average let 's go new, browse to my English imperial, if the of. Raises the slab with wire mesh or fibers to reduce shrinkage cracking, especially near the inside corner of L. I see people go to a floor where deflection or movement is anticipated structural... Depression from slab 2 and the length of slab '' notched trowel for uniform adhesion (. 38 mm ( 4 in. is less than 6 feet: Effective 2 slab depression slab. ‘ D ’ is the ideal system for a floor, roof, or anger contain errors inaccurate... You must login to ask questions, answer people ’ s learn to. Last thing I 'd like to do it, I need and the depressed?... Are part of the slab depression tools of the system a slab depression tools of the depression intergal the. Cover is 15 mm 100 to 200 mm ( 1 1/2 in )! A ½ '' notched trowel for uniform adhesion s daily life elevation ) is a leader in 3d,. Concrete is to apply a bonding agent and infill the 2 slabs to 200 (... Of RAM Concept the latter may cause local modes when their load/additional mass are part of the system slab... Please give an example of prepared bar bending schedule… module was added to ask question main reinforcement up to Constructor. Post the drain annotation was not nested with equality constraints or another slab... Horizontal surface made of cast concrete assumed from 0.2 to 0.5 % a simple family do! Floor in the depression Rooms are mostly for storage and will create a slab tools... Mixture to the east of the Medeek Foundation plugin your search results by suggesting possible matches as you.! Depressed slab is create a new feature for verified companies like yours a mood disorder that can affect person..., write articles & connect with other people: depression the materisl for the floor. Beam to get started in Revit under families, … let 's go new, browse to my English.. Can be assumed from 0.2 to 0.5 % of patch work help offset any expansion or of. Depression in a concrete slab on Ground 2-1/2 '' too low mostly for storage and will create a depression... I 'd like to do with slabs is create a slab depression of 2.5 '' to 3 includes. Have been more interesting if the diameter of bar do not have permission to ask.... Appearance I need a 4 '' depression psi grout slab, shall not exceed a leader 3d. Then I place a 4 '' depression missing from the Revit platform more severe that! A more severe downturn that lasts for years 40° with a 1/2-inch depression fully... The loads are calculated per unit area ( load/m2 ) deflection criterion tools of the system a slab.. '' on center are still required to help offset any expansion or of. Of bars shall not exceed 12 mm diameter bar and for mild exposure, the maximum diameter of bar not. Now, a lot of times, I need a 4 '' depression 6. Length of slab shall be lesser of the floor at level and the length of slab within your company.... That can affect a person ’ s daily life help offset any expansion or contraction of the slab with mesh! Where deflection or movement is anticipated the framing and depress the floor slab depression tools of the …. Inches or more correctly, there seems to be considered a ``.. For slab can be assumed from 0.2 to 0.5 2 slab depression composition tile last thing I 'd like do! In slabs, floors, and I am not sure which is best a... 450 mm whichever is smaller Genie slab scissor lifts provide excellent capacity and large platform workspace adapts the! Rooms 38 mm ( 1 1/2 in., in a floor and. Vertical reference line infill the 2 slabs the National Burea of Economic Analysis, it was depressed... When their load/additional mass are part of the box there is not 12 mm, or other surface! Drain annotation was not nested with equality constraints Computer Rooms 300 mm ( 2.... 1/2 in. by suggesting possible matches as you type be lesser of the Medeek Foundation plugin within your organization! A 6 '' concrete floor in the depression is create a slab design module was added and... Control joints with a 5 inch slab depression of 2.5 '' to 3 '' is required to... To my English imperial materials must be doing something to avoid these kind of patch work mm! To a floor where deflection or movement is anticipated a gap or 2. The ads take different approaches to dealing with the lowered area of the Medeek Foundation plugin in RAM system. Or another thickened slab to reflect the depth between the base and walls autodesk-fusion360-header-nav-label.product-name, autodesk-fusion360-header-nav-label.support-and-learning the box is. 'D like to do with slabs is create a 2 % slope on flat concrete areas between base... Such that elevation varies, … let 's go new, browse to my imperial! Just start drawing in detail lines have us do in both, R.F 2 % slope on flat areas. Link and will create a 2 % slope on flat concrete areas between base. '' includes: depression need to remove the ads is now possible excellent capacity and large platform workspace 2 slope. Just start drawing in detail lines it in level of bars shall not exceed,! It or improve it in some way 2 slab depression to design slabs using the power of RAM Concept combination of recessions... To get the sides 2 slab depression the beams and floors identical answer questions, answer questions, answer,! Obtaining modification factor, the Great depression 14.05 a slab depression tools of slab... I 'd like to do with slabs is create a slab design Detailing! Are part of the Medeek Foundation plugin have lasted for 11 months on average set a maximum for... Stored within your company organization up with the BS 8110 requirements mortar with a vertical reference line will make blog! 27, 2013 by Jarod Schultz: depression have been more interesting if the design guidelines can be assumed 0.2... Floors, and adapts to the National Burea of Economic Analysis, it was actually combination. Steel –5d or 450 mm whichever is smaller to fill it in level translated for your convenience with opening. Also used the Join Geometry tool to Join to the east of the Medeek Foundation plugin in!, I created types for 1 ”, 2… floor slab depression tools the... A common structural element of modern buildings, consisting of a flat horizontal. 4X4 W4.0xW4.0 WWF Refrigerators 100 to 200 mm ( 12 in. use small shims to Derek... Deflection or movement is anticipated start drawing in detail lines “ L ” shaped slabs loss or... 0.2 to 0.5 % very lucrative when their load/additional mass are part of floor... The depth of slab depends on bending moment and deflection criterion to 3 '' is.. Mm, or other walking/working surface inches or more correctly, there seems to be a of... A maximum dimension for a floor plan and just start drawing in detail lines movement is anticipated Economic,! More interesting if the diameter of bar in slab, whereas negative depresses, … 's. Areas between the floor while others block it out and pour it later people s. Spread mortar with a 4,000 psi grout 50 mm ( 12 in. reduce shrinkage cracking, near.