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2 slab depression

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2 slab depression

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. I have also used the Join Geometry tool to join them together but the slab line still showing. The slab on the right (high steel elevation) is a 3 1/2" lightweight concrete slab on 2 inch deck. Some form the depression intergal with the rest of the floor while others block it out and pour it later. Sorry, you do not have permission to ask a question, You must login to ask question. the concrete slab. VIP members get additional benefits. the concrete slab. 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. 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. Report. 4" - 8" 2. The reinforcement in either direction in slab shall not be less than, The maximum spacing of bars shall not exceed. (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. 5 Likes Reply. control rooms. The maximum diameter of bar in slab, shall not exceed D/8, where D is the total thickness of slab. 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. Because my ASMR for Anxiety video received such a lovely, overwhelming response from all of you, I thought I'd make something similar. Revit Slab Depression Family. This is not an official translation and may contain errors and inaccurate translations. 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. 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. A test of the slab depression tools of the Medeek Foundation plugin. Item(s) 1. Your content is now stored within your company organization. The latter may cause local modes when their load/additional mass are part of the lateral mass source. Message 5 of 9 jaredmk. Spread mortar with a ½" notched trowel for uniform adhesion. 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. Often when I re-visit a recently-constructed family I add to it, enhance it or improve it in some way. Autodesk is a leader in 3D design, engineering and entertainment software. Designing Slabs in RAM Structural System (RSS) is now possible. Please refer the attached image. 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. Distribution steel –5d or 450 mm whichever is smaller Where, ‘d’ is the effective depth of slab. to the east of the slab. A sand cushion terrazzo floor is the ideal system for a floor where deflection or movement is anticipated. A sand cushion terrazzo floor is the ideal system for a floor where deflection or movement is anticipated. 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 […] 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. This gives me the appearance I need and the correct volume of concrete. It will have been more interesting if the design guidelines can be juxtapose with the BS 8110 requirements. The contractor poured a portion of a slab on ground 2-1/2" too low. g. RFI Shielded Rooms 38 mm (1 1/2 in.) Prefabricated rooms including: audiometric, freezers and refrigerators, R.F. The geometry was based on this structural detail, and adapts to the thickness of the host slab. This module gives RSS the ability to design slabs using the power of RAM Concept. 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. 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. This page has been translated for your convenience with an automatic translation service. Genie ® GS™ slab scissor lifts are exceptionally mobile, letting operators easily maneuver around tight indoor and outdoor worksites with firm, level surfaces. It may be described as feelings of sadness, loss, or anger. 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. However, if the diameter of bar do not exceed 12 mm, or cover may be reduced by 5 mm. modify the framing and depress the floor slab in accordance with the requirements of proposed equipment. Depression is a mood disorder that can affect a person’s daily life. Before finishing mass, I selected cut geometry. I hope autodesk must be doing something to avoid these kind of patch work. Float an appropriate mortar to create a 2% slope on flat concrete areas between the base and walls. Where used, finish control joints with a 1/2-inch depression and fully fill this recess with polyurethane or similar caulk. … To get started in Revit under families, … let's go New, browse to my English imperial. Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. shielded, clean, and environmental. Recess for hydrotherapy tank. Recess for cobalt machine. 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. Slab 3 is leaning on Slab 2 making an angle of 40° with a vertical reference line. NOTE: See Computer Systems, Chapter 12. i. 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. I used two structural concrete beams (1'X2'). Minimize the number of pours to avoid cold joints. A test of the slab depression tools of the Medeek Foundation plugin. I am having trouble creating a slab depression. 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. 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. please give an example of prepared bar bending schedule…. There have been 33 recessions since 1854. Main Steel – 3d or 300 mm whichever is smaller. How is the depressed portion of a slab modeled such that elevation varies? e. Terrazzo Floor 50 mm (2 in.) A test of the slab depression tools of the Medeek Foundation plugin. If necessary, use small shims to support 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. The angle of depression from Slab 2 to Slab 1 is 22°and they are 8 feet apart. For starters, I created types for 1”, 2… Thus for main reinforcement up to 12 mm diameter bar and for mild exposure, the nominal cover is 15 mm. 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. Following are the RCC Slab Design and Detailing guidelines: Effective span of slab shall be lesser of the two. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Your content is now stored within your company organization. h. Central Computer Rooms 300 mm (12 in.) Minimize the number of pours to avoid cold joints. Lost your password? no regrets. 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. 0.12% of the total cross-sectional area for Fe-415 & Fe-500 steel. 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. Characterized by low noise levels, Genie slab scissor lifts provide excellent capacity and large platform workspace. An example list of requirements in excess of 3" includes: Depression. Become VIP Member, Do you need to remove the ads? 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. Now, a lot of times, I see people go to a floor plan and just start drawing in detail lines. The 4" concrete floor slabs in areas with drains are depressed 2" to receive a sloped mortar bed. Spread mortar with a ½" notched trowel for uniform adhesion. However, due to the thickness of the system a slab depression of 2.5" to 3" is required. 40 Slab 3 Slab 2 22 Slab1 2ft -Level Ground 8ft 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. There's been only one depression, the Great Depression. Please refer the attached image. - [Voiceover] One last thing I'd like to do with slabs is create a slab depression. Some form the depression intergal with the rest of the floor while others block it out and pour it later. The standard does not set a maximum dimension for a depression to be considered a "hole." I then created a void extrusion. (Total thickness = 8") Sign Up to The Constructor to ask questions, answer questions, write articles, and connect with other people.   Since 1945, recessions have lasted for 11 months on average. 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. You will receive a link and will create a new password via email. Then I place a 4" slab in the void 2" down then join the 2 slabs. That … According to the National Burea of Economic Analysis, it was actually a combination of two recessions. If you used to the later the floor at level and the depressed floor slabs should clean up with the Join Geometry tool. 37" 4. Become VIP Member. Login to The Constructor to ask questions, answer people’s questions, write articles & connect with other people. 10" 3. 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. The rooms are mostly for storage and will have vinyl composition tile. 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. Posted on November 27, 2013 by Jarod Schultz. Dividers at approximately 5'-0" on center are still required to help offset any expansion or contraction of the terrazzo … a gap or void 2 inches or more in its least dimension, in a floor, roof, or other walking/working surface. I created a 12" concrete slab. Positive adjustment raises the slab, whereas negative depresses. Find the height of Slab 2 and the length of Slab 3. In it, I need a 4" depression. Slab Depression - Part 2 I stated that using Revit leads to expansive thinking. Properties of the surface are determined by the mixture Reinforce the slab with wire mesh or fibers to reduce shrinkage cracking, especially near the inside corner of “L” shaped slabs. All Rights Reserved. Did you use walls or another thickened slab to reflect the depth between the floor at level and the depressed floor? 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. When I began the previous post the drain annotation was not nested with equality constraints. If this is a depressed slab for a tile bathroom floor, or something like that, I would model the tile floor to the thickness you want the slab depressed and join them. Before finishing mass, I selected cut geometry. I created a 12" concrete slab. VIP members get additional benefits. Floor Slab Depression Requirements. Ask the community or share your knowledge. 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. If you used a wall the materials must be identical. 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. Whether indoors or out, the best way to level a depression in concrete is to fill it in level. He thought it was a depressed slab, but it is not. Share your knowledge, ask questions, and explore popular Revit Architecture topics. Properties of the surface are determined by the mixture f. All Walk-in Freezers and Refrigerators 100 to 200 mm (4 in. The existing slab is 6 inches thick with 4x4 W4.0xW4.0 WWF. I have also used the Join Geometry tool to join them together but the slab line still showing. 3D Warehouse is adding a new feature for verified companies like yours. 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). Dividers at approximately 5'-0" on center are still required to help offset any … This video is going to have us do in both. Refer to the attached sketch. For obtaining modification factor, the percentage of steel for slab can be assumed from 0.2 to 0.5%. If so I did this with a 6" concrete floor with an opening and 6" concrete floor in the depression. The Californian slab window is the product of three main process: (1) ridge subduction, (2) slab tearing and microplate formation, and (3) thermal erosion. It lasted a decade. Or more correctly, there seems to be a number of ways to do it, and I am not sure which is best. 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. I've heard that builders take different approaches to dealing with the lowered area of the slab. Then used the Join Geometry tool to join to the floors and beams together. I then created a void extrusion. I am modeling a building in RAM with a 5 inch slab depression. A depression is a more severe downturn that lasts for years. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. 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. Welcome to Autodesk’s Revit Architecture Forums. Where used, finish control joints with a 1/2-inch depression and fully fill this recess with polyurethane or similar caulk. I get asked quite a lot about doing depressions in slabs, floors, and walls with Revit. 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. However, due to the thickness of the system a slab depression of 2.5" to 3" is required. Out of the box there is not a simple family to do this but let’s learn how to build one. In RSS version 14.05 a slab design module was added. 3D Warehouse is adding a new feature for verified companies like yours. A test of the slab depression tools of the Medeek Foundation plugin. Note: The minimum clear spacing of bars is not kept less than 75 mm (Preferably 100 mm) though code do not recommend any value. 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. The contractor's solution is to apply a bonding agent and infill the 2 -1/2" with a 4,000 psi grout. Thanks a lot for your reply. If necessary, use small shims to support © Copyright 2018 Autodesk Inc. All rights reserved, autodesk-fusion360-header-nav-label.product-name, autodesk-fusion360-header-nav-label.support-and-learning. Derek J. Thorkelson, in Encyclopedia of Geology (Second Edition), 2021. Thanks. A Unified Perspective of Window Formation. © 2009-2020 The Constructor. Please enter your email address. method statement for different construction activities will make your blog very lucrative. to 8 in.) Reinforce the slab with wire mesh or fibers to reduce shrinkage cracking, especially near the inside corner of “L” shaped slabs. Is this what you are trying to achieve? 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. How did you get the sides for the depressed slab? - [Instructor] One last thing I'd like to do with Slabs is create a Slab Depression, not that it's sad or anything. 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. I've heard that builders take different approaches to dealing with the lowered area of the slab. 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