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Hacking Column issue, Need Advice fr Struture Engineer/equival
Hacking Column issue, Need Advice fr Struture Engineer/equival
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Aug 17 2011, 09:28 PM, updated 15y ago
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#1
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5,488 posts Joined: Jun 2008 |
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Aug 17 2011, 09:34 PM
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#2
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Senior Member
658 posts Joined: Jan 2009 From: around malaysia^^ |
if u're thinking to remove the pillar, check first if there got any beam juz above the pillar and at the top.
judge the strength by measuring thickness of the beam supporting and beam holding. if its sufficient then u can remove the supporting pillar if not its better not to remove it coz it may cause the structure to collapsed in future. |
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Aug 17 2011, 09:37 PM
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#3
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5,488 posts Joined: Jun 2008 |
the thickness of the beam is the whole thing on top of the pillar. i dunno enough or not.
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Aug 17 2011, 09:51 PM
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#4
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3,173 posts Joined: May 2007 |
With limited information, I would be wary with any advice given.
You should provide at least the following info for anyone to give a general advise. 1. What are you planning to place on top of the beam? 2. What is the spacing between the next 2 supporting columns on the same beam? Best if a site inspection is done to verify any assumptions. |
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Aug 17 2011, 09:54 PM
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#5
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658 posts Joined: Jan 2009 From: around malaysia^^ |
QUOTE(kh8668 @ Aug 17 2011, 09:37 PM) i doubt that... u can try to hack a smal area above the pillar to the top till the bricks are visible enufthen u will see how thick the beam supporting n beam holding in between em is juz wall of brick |
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Aug 17 2011, 09:56 PM
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#6
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5,488 posts Joined: Jun 2008 |
haha..ya i know very hard for someone to comment here.
this is for kitchen extension, but got this pillar block in the middle. so ask if anyone know it is safe to hack it off? the distance from the wall to pillar about 11 ft and then another 5ft to toilet wall as shown on pic. This post has been edited by kh8668: Aug 17 2011, 09:57 PM |
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Aug 17 2011, 10:00 PM
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#7
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All Stars
12,019 posts Joined: Jan 2003 |
There is a reason for the pillar build there. To support the roof weight.
Is better build one on the side, not too far toward the end, maybe 5 feet, enough to open the door. Or on the end on your extension, build 2 pillar, add two beam from the pillar to support it. You need to connect the BRC What every is it, is your own house, better consult structure engineer. I'll pay bit more for the comfort of safety. |
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Aug 17 2011, 10:00 PM
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#8
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537 posts Joined: Jan 2003 From: kuala kangsar/UPM |
check if the column is a load bearing coulmn..
how? hack a very lil bit of the column... if u see a rebar/steel.. that means the collumn is there for a purposed..to support load from above.... my 2cent advice, do not remove it...because in engineering..everything is there for a purpose... if there is no rebar...most likely the said collumn is only a stiffener to hold the existing brick walls ... edit:typo This post has been edited by Lord_darkslide: Aug 17 2011, 10:02 PM |
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Aug 17 2011, 10:03 PM
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#9
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5,488 posts Joined: Jun 2008 |
sorry but what is rebar?
i got another pic from other house to show at below. this house even hack off part of the beam. ![]() This post has been edited by kh8668: Aug 17 2011, 10:04 PM |
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Aug 17 2011, 10:03 PM
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All Stars
12,019 posts Joined: Jan 2003 |
Looking at the picture, the thickness of the pillar it should be a load bearing. If remove, and coincident your neighbor knock the side pillar... PiPa... all fall.
Added on August 17, 2011, 10:06 pm QUOTE(kh8668 @ Aug 17 2011, 10:03 PM) sorry but what is rebar? Wow, you remove everything, this is reinforce concrete. Rebar is use for load bearing and supporting weight. Do you have anything above? Can collapse anytime.i got another pic from other house to show at below. this house even hack off part of the beam. ![]() This post has been edited by weikee: Aug 17 2011, 10:06 PM |
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Aug 17 2011, 10:06 PM
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Senior Member
537 posts Joined: Jan 2003 From: kuala kangsar/UPM |
^ OH M G.....there is a 3x15 beam ther u just hacked
rebar is teh steel u see there... it is use to make a beam stronger to support a load.... from the look of it... u just F'ed up the beams for your 2nd floor.. because u have just demolished the supporting beam... ur 2nd floor structure is compromised..from the look of it.... |
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Aug 17 2011, 10:08 PM
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5,488 posts Joined: Jun 2008 |
[quote=weikee,Aug 17 2011, 10:03 PM]
on top of it are two toilets. it seems that the beam support the two toilets slab, and I dunno whether the pillar is a must to support the beam or can just remove it.. |
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Aug 17 2011, 10:09 PM
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All Stars
12,019 posts Joined: Jan 2003 |
Wow... so daring. May I ask do you have a proper contractor?
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Aug 17 2011, 10:12 PM
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5,488 posts Joined: Jun 2008 |
QUOTE(weikee @ Aug 17 2011, 10:09 PM) lol..the contractor is not recommending to hack any part of the beam but this one as per requested by house owner. my concern is whether the pillar can be removed? i can just let the beam as is where is basic but the pillar... .... |
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Aug 17 2011, 10:13 PM
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Senior Member
537 posts Joined: Jan 2003 From: kuala kangsar/UPM |
last 1 cent advice from me....
dont do like ur neighbour did... the collumn is a load bearing collumn...to be safe, do not demolish it... although above is "just" a toilet...but load distribution of all the 2nd floor and structure integrity works like a net... take a chunk off...and the structure is compromised... This post has been edited by Lord_darkslide: Aug 17 2011, 10:14 PM |
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Aug 17 2011, 10:14 PM
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658 posts Joined: Jan 2009 From: around malaysia^^ |
pillar can be removed, but must make sure first the beam strong enuf and can support the loads
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Aug 17 2011, 10:15 PM
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1,922 posts Joined: Apr 2009 From: Constellation Cygnus |
Column acts like our feet with sole purpose transferring load to the ground & foundation..U have your house drawings? might as well study it first. U don't want your house to collapse.
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Aug 17 2011, 10:16 PM
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5,488 posts Joined: Jun 2008 |
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Aug 17 2011, 10:18 PM
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12,019 posts Joined: Jan 2003 |
QUOTE(kh8668 @ Aug 17 2011, 10:12 PM) lol..the contractor is not recommending to hack any part of the beam but this one as per requested by house owner. Now people are just rebuilding for the sake of "nice". Safety is really the main thing before doing anything. Please consult engineer.my concern is whether the pillar can be removed? i can just let the beam as is where is basic but the pillar... .... |
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Aug 17 2011, 10:23 PM
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Aug 17 2011, 10:50 PM
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QUOTE(kh8668 @ Aug 17 2011, 10:03 PM) sorry but what is rebar? may be this is just lintel beam not the structure beam, alto there is steel bar but the shear links spacing is >1m i got another pic from other house to show at below. this house even hack off part of the beam. ![]() QUOTE(ghuzzy @ Aug 17 2011, 10:14 PM) the load from roof & the 1st floor slab & wall all transfer to the column, think twice if just want to remove it just like that the proper way is consult a structure engineer, build/ enlarge the beam to transfer the load to nearest column --> foundation , if the column/ foundation not strong enough, build/ enlarge the column/ foundation |
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Aug 17 2011, 10:58 PM
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810 posts Joined: Mar 2008 |
wow you are super daring, cut down the thickness of the horizontal beam, and also plan to remove the supporting pillar..... the house gonna collapse soon, or cracks will start appear if your neighbour or nearby do some 'kong kong kong' hard work =.="
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Aug 18 2011, 08:48 AM
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3,173 posts Joined: May 2007 |
Some of these renovation contractors will just do what the house owners ask. They do not have any understanding of the structures. They just want to please the house owners without considering the consequences. When problem crop up, they will just run away leaving the house owner to face the consequences. If no one is hurt, maybe they can get away. What happens if the structure collapse? What happen if someone is hurt?
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Aug 18 2011, 10:33 AM
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1,529 posts Joined: Feb 2011 From: PJ |
Is that a main beam? Or only use for cover the Kitchen?
But I agreed with other members concern as well, but it all depend on individual, as sometime owner just dont like to listening or avoid advide, as they believe Contractor too lazy to do it, or other way round that some contractor just want the business lol, once done $ come the rest it is your problem. I saw above the beam are toiler too? hope it will not cause leaking after that.... |
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Aug 18 2011, 10:56 AM
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12,019 posts Joined: Jan 2003 |
QUOTE(Jo_da48 @ Aug 18 2011, 10:33 AM) Is that a main beam? Or only use for cover the Kitchen? How to leak when it going to fall? any earthquake happen around Indonesia will sure crack the floor of that building.But I agreed with other members concern as well, but it all depend on individual, as sometime owner just dont like to listening or avoid advide, as they believe Contractor too lazy to do it, or other way round that some contractor just want the business lol, once done $ come the rest it is your problem. I saw above the beam are toiler too? hope it will not cause leaking after that.... Added on August 18, 2011, 11:00 amI hope this house is not your neighbor. ![]() This post has been edited by weikee: Aug 18 2011, 11:00 AM |
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Aug 18 2011, 03:14 PM
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176 posts Joined: Jun 2005 |
agree with skng03, the shear link spacing is quite far between one another.
first thing first, why do you want to cut down that pillar? another way, MAYBE, im not sure, make the current beam as secondary beam, support by a new primary beam, which transfer load to a new pillar, which of coz, bigger than current 1. This post has been edited by b0oDak_Ba1k: Aug 18 2011, 03:15 PM |
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Aug 18 2011, 04:14 PM
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1,529 posts Joined: Feb 2011 From: PJ |
QUOTE(weikee @ Aug 18 2011, 10:56 AM) How to leak when it going to fall? any earthquake happen around Indonesia will sure crack the floor of that building. |
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Aug 26 2011, 03:00 AM
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5,488 posts Joined: Jun 2008 |
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Aug 26 2011, 04:38 PM
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816 posts Joined: Nov 2008 From: Halfway Between the Gutter and the Stars |
The column is there to support the beam. The beam is use to support the floor slab.
If the beam can be supported without the column then they would not have built the column in the first place. That is a structural column. Do Not hack unless you transfer the load somewhere else. It will not break immediately. It will slowly sag then crack. Again, my advise is always to hire a proper consultant to do your design works. You have spent a lot of money buying the house and going to spend a lot more renovating it. Just pay someone 5-10% to do the design for you and save you all the headache. This post has been edited by Bishop: Aug 26 2011, 04:42 PM |
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