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Thread: Bangkok leaving

  1. #1
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    Bangkok leaving



    If you stay in the house in Bangkok, if your lucky enough to have piled deep enough, what is 21 meter piling in west Bangkok and 26 meter deep in Samut Prakarn area, then Bangkok is leaving will be something you can notice...

    This is my house, well the on i rent... Before we entered the owner turned on the water and got a bill of over 12'000 thb for the month as the supply pipe teared and yes the grass became greener...


    Gaps all over ! The construction is good in this Mooban as they piled deep nough and with enough pilars as well...

    But walking on some areas in the house you can feel and hear the emptyness underneath...

    One of the worries is about snakes, they can like such areas and at rainy season come out and visit us, so what to do to fill this Gap ?



    This is a better view of how it looks !

    What and how to fill the gap or retain Bangkok to leave our house ?

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    Some other house nearby.

    The mooban is around 20 years old and most of the houses stay on the pilars, not many have done something yet to fill the gap...

    How to push soil, or should it be cement there underneath ?

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    Sorry man, that pic's a classic.

    This won't help, but... next to my Isaan condo was a new house, just finished, the 5 feet concrete ramp from the road to the property was concrete poured on top of earth. Nothing on the sides. After the first rainy season half of it had been washed away and the conrete ramp was cracking and about to collapse.... so they piled more earth under it and layered some concrete on top to fix it.

    Wonder how many years they'll be doing that on an annual basis before someone twigs.

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    Inside a factory, Samut Prakarn



    If you think the house pics above are bad, then what about this factory pics !

    The floor was at even ground with the doors some 15 years ago.

    The piling was not done enough inside the building, so it goes !

    I will try and dig a pic from this same factory, they have a 3 toilets hanging above ground around 1.4 meter...

    This one will not need to fill under and can fill over only after piling at 26 meter depth, this each 4 meter a pilar...

    One such pilar cost around 16'000 thb i was told.

    Many pilars necessary to save that particular factory...

    Be advised properly if you build in Bangkok area !

    As long as the 14 million people will suck water for the shower every day, the soil will continue to go...

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    ^^ that pic is may be a classic, i shoot it today with my phone...

    The story about your carway is somehow different, they did not piled.

    Here we are lucky enough to have construction well piled, so ti stay flying on the pilars, but the question is how to fill the gap ?

    Yes for sure after few years the gap will come again, but there is may be some miraculous expansion material available, to avoid filling every 3 years or so ?

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    Looks like a falling water table to me. I thought Bangkok was supposed to be getting wetter, and flooding was the issue?

    I suppose the whole joint is built on a delta and subsidence in some areas is likely depending on where the water now sits.

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    So much negativity.

    Look at the positive....in 50 years you will have a nice view, probably classed as a high rise even.

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    It will be underwater in 50 years.

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    Just a suggestion,……………

    Using the material (the dirt) around the home build a berm/dike about 6 inches to 1 foot wide (at the height of the berm) at the same height of the bottom of the floor elevation of the home [not the top floor elevation!,..use the elevation of the bottom of the planks of wood (floor boards) that make up the floor in the home]. This berm should be level around the house so the height of the berm might look to vary in some places because the house or the base of the home could be uneven.
    Place drilled holes in the floor of the building at different places (where you feel/hear the voids). The diameter of the holes will depend on the hose from the concrete pump that will be pumping the concrete into the holes.
    Slowly pump the concrete into the holes until you see the concrete extruding from beneath the home and wait till it is as high as the berm. You might have to repeat pumping concrete into the hole/s as you move to different locations around the house because the concrete will slowly move to fill other voids thus leaving smaller voids than what you had from the start.

    You should speak to a concrete contractor before you start the work to explain to him what type of concrete mix you would like and to see if he understands what you want done. He could be familiar with this type of work. You might try to get a contractor who has done this type of work to help you.

    The type of concrete you use will be very important. You don’t want any concrete with a course mixture. You do not want any concrete that sets up quickly. You do not want a concrete with a high content of cement. You want a concrete mix that will flow (high slump).

    There are some home building contractors on this forum that might suggest a better way. There is one person on this forum who I believe used to do a lot of concrete work that might give you a better idea about what should be done.

    I have provided you some web sites that explains the basics of the type of work you are looking to do. Although you will not be lifting the structure,.you just want to fill the voids beneath it.

    After the concrete has set up you can remove the berm by placing the material back into the ditch you created when you dug the berm.

    Things to think about before you start a project like this,………where are your water pipes,.below the house? If so you might consider a different method to correct the problem. Where is/are your sewage tanks? Below the house,……..again if they are you might have to use a different method to solve the problem. Also think about the drainage for the kitchen/bathroom sinks (are there voids in these areas?).

    I have never done this type of work before but I have heard about it being done.

    Good luck

    Links: http://www.askthebuilder.com/B86_Concrete_Lifting.shtml

    http://www.concreteliftingusa.com/

    VOID FILL is another service we provide. When your concrete is hollow underneath, you need to call us immediately. It is easier and cheaper to get the void filled, then to have to lift it up later because it sunk or the concrete broke. Void fill costs less then concrete lifting but the method of filling is basically the same. With Void Fill, prevention is the best medicine.

    Link: http://www.concreteliftingcompany.com/whatwedo.html
    Keep your friends close and your enemies closer.

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    Quote Originally Posted by Johnny Longprong View Post
    Looks like a falling water table to me. I thought Bangkok was supposed to be getting wetter, and flooding was the issue?

    I suppose the whole joint is built on a delta and subsidence in some areas is likely depending on where the water now sits.

    if that was so, the house would have sunk with the whole thing

    this is more like the top earth layer was not very well compacted, hence the need for deep piles

    so all it needs is more earth pushed in. to make it look nice again

  11. #11
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    ^^ Thanks S. Landreth for your valuable input...

    ^ I think the soil was well compacted, this village is quite properly built, it is Bangkok going down due to the water pumped up more then any other reason as per my opinion... This by observing the whole village, each soil under the houses or carway goes down, as per the gardens, just the houses are remaining at level as the pilars 21 meter deep are on a solid stable below table...

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    [QUOTE="DrAndy"]Quote: Originally Posted by Johnny Longprong Looks like a falling water table to me. I thought Bangkok was supposed to be getting wetter, and flooding was the issue? I suppose the whole joint is built on a delta and subsidence in some areas is likely depending on where the water now sits. if that was so, the house would have sunk with the whole thing this is more like the top earth layer was not very well compacted, hence the need for deep piles so all it needs is more earth pushed in. to make it look nice again [/QUOTe

    Yes, maybe so. However if the house was on a raft constuction which it does look like, the surrounding ground may drop, and because of the surface coverage of the raft and retained moisture underneath, it may well sit above the dropping surrounds.

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    Quote Originally Posted by forreachingme View Post

    ^ I think the soil was well compacted, this village is quite properly built, it is Bangkok going down due to the water pumped up more then any other reason as per my opinion... This by observing the whole village, each soil under the houses or carway goes down, as per the gardens, just the houses are remaining at level as the pilars 21 meter deep are on a solid stable below table...

    well, how do you account for the fact that the house is prob still in the same place and the ground is not? The houses remain level, the ground sinks, so it is just the soil compacting (even if it seems compacted already)

    JohnLap, same same, unless the ground is sinking at a faster rate than the bedrock the piles are on
    I have reported your post

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    ^ so possibly the house went up ! I'll wind some cables around to hold it befor it flyes away

    The inner flooring is all nice marble, would be good if we can push concrete undernath form the sides, without going through flooring !

    Water and electrical to be considered, this part is giving some worries...

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    you could easily pump concrete under the house, but if the floor is stable, what is the point?

    expensive and the ground will probably keep subsiding

    just put some nice sidings to cover the gap, make sure any pipes are flexible and can be adjusted or changed easily, have sliding fittings for the drains etc

    what fun

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    Too much fecking hassle.

    I'd just move. Let the owner deal with the shit.

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    ^ our house is actually not so bad, the floor left here and there half a foot approx, and as we rent it, we will only spend the money of the owner

    But we plan to eventually purchase a lot here in a year or a few, better to know ahead what it takes to make the place good or to bargain down a place we could save...

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