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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Topic: Help with this Design Posted: 16.Mar.2015 at 13:28 |
Which way up? The 300mm length should be in contact with the glulam arches shouldn't it? How many? As many as would be required given that they are positioned 600mm center-to-center.
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>>
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JGrindle21
Newbie
Joined: 13.Mar.2015
Location: United Kingdom
Using: AutoCAD2015
Status: Offline
Points: 6
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Posted: 16.Mar.2015 at 12:58 |
Sorry i was away for most of the weekend, i've just started this morning. Ive done all of the arches but not sure which way up the purlins go, and how many of them i need?
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 16.Mar.2015 at 10:32 |
Can we get an update on how your design is coming along?
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>>
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 14.Mar.2015 at 12:45 |
Well then, what are you waiting for? Start with laying out the centerlines of your eleven main arches then move on to laying out your purlin centerlines. This should not take very long.
Edited by John Connor - 14.Mar.2015 at 13:23
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>>
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JGrindle21
Newbie
Joined: 13.Mar.2015
Location: United Kingdom
Using: AutoCAD2015
Status: Offline
Points: 6
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Posted: 14.Mar.2015 at 12:34 |
Yes I'm fairly comfortable with the terminology.
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 14.Mar.2015 at 12:18 |
I guess we're doing this in 2D. Start with the plan view of the roof. Layout the arches and purlins.
Re: Raft slab. Click on the link below for a good explanation of what a raft slab is and how one is constructed.
https://www.cornellengineers.com.au/what-is-a-raft-slab/
Re: curved roof. I am assuming this is a "barrel vault" roof. Are you familiar with this type of construction?
Edited by John Connor - 14.Mar.2015 at 12:44
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>>
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JGrindle21
Newbie
Joined: 13.Mar.2015
Location: United Kingdom
Using: AutoCAD2015
Status: Offline
Points: 6
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Posted: 14.Mar.2015 at 00:15 |
Is that the best way to do it?
I haven't started on it yet because I don't know where to begin or what it should look like.
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 14.Mar.2015 at 00:03 |
I hope you are doing this in 3D then extracting the 2D views from the 3D model.
Edited by John Connor - 14.Mar.2015 at 00:05
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>>
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JGrindle21
Newbie
Joined: 13.Mar.2015
Location: United Kingdom
Using: AutoCAD2015
Status: Offline
Points: 6
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Posted: 13.Mar.2015 at 20:59 |
Thanks for replying, The brief that we were given is exactly the same as I have put in my first post. I'm a first year civil engineering student so I only have basic knowledge, it should be better but I have had to learn how to use it myself as our lecturerer has no idea how to use it. We only have to make the design as you have said.
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Robert_D
Senior Member
Joined: 21.Oct.2013
Location: United States
Using: BricsCAD v21, AutoCAD2006
Status: Offline
Points: 207
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Posted: 13.Mar.2015 at 19:38 |
What is your level of CAD experience? You have enough info to start, however: "RC Rafter Slab"? Did you mean "Raft Slab"? No plate supporting arch rafters? No found. details? I assume this is not a const. project, but rather an exercise?
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