Construction of the house with bags

20.02.2010 16:25
Articles about real estate | Construction of the house with bags
Short-step description of how to build our first pilot home-dome of the bags to the ground. We called it "Riceland", such was the company name printed on polypropylene bags, which we have used:). The inner diameter of 4.3 meters turned. Such a dome may serve as a model for garden arbors, studio, house, and become a prototype for emergency shelters for people affected by the emergency.
This design is stable enough to earthquake conditions, resistant to floods and hurricanes, and can be used to help people who have lost blood because of the
natural disasters, such as Pakistan, Turkey, India, Indonesia, etc.

Related article: A huge «mirror» for the rich built in New York

Align plot
First you must choose the proper place for the dome, according to Feng Shua and the stars, but also a well-drained, where for years does not flow and does not intend to water. Then
worth noting at the central point of the range of land-base of the dome and plug in there upright pole or rod. Tying a rope to him long radius of the base of the dome (with the thickness of the walls, in this case, we took a little less than 3 meters), name the perimeter, within which the plot will have to align. Then, using hands, eyes, shovel and water level, bring a selected area to a more or less flat state. Do not forget the value of the organic soil layer: carefully unpack humus together with roots and herbs in pritenennom place or use for compost in the garden.

Dig a trench around the perimeter
In areas where heavy soils may unnecessarily delay the moisture, it is important to lay the foundation for drainage of the dome in the form of ditches with gravel. This will prevent getting wet sacks, and also help solve problems with winter freezing of soil. Winding circles around all of the same central pole, mark the inner and outer diameter of the wall (the thickness of the walls depends on the width of the bags, which will be putting). Do not forget to mention where the entrance will be located, leaving enough space for a doorway. Note - the base entrance there goes inside, so you can insert a vertical door, despite the slope of the main wall. Once all marked down - once again held out for the turn of the shovel.

Backfill trench with stones
Gather or bring somewhere stones to fill in a drainage ditch. This may be a pebble, gravel, small stones or "ubranit" (beating waste concrete construction, brick, cinder blocks, etc.). The photo shows that the walls of the shallow ditch covered with wire mesh - in this case, it protects the light sandy soil of shedding and clogging of the voids between the stones of the trench, which could worsen its WATER CARRY properties. If you dug a ditch in dense clay soil, then the technological details may be optional.

How to pour it into a ditch?
It depends on what level you want to lay the first row (or rows) bags. We are stacked from the ground, falling into the trench completely. If not exclude flood and earthquake, it is safer to be imbedded in the first row of bags of earth, so that even if the soil around the structure will be washed away or destroyed, the dome itself would survive.

What to take bags?

We used a standard 50-pound polypropylene bags of rice (in our latitudes likely counterparts - 50-kilogram bags of flour / sugar, "fabric" of the same polypropylene, can be taken and used - prim.perevodchika), they are sold wholesale to thousand pieces. Polypropylene bags are preferred especially if you intend to fill them with something on the loose. In the event that will be used by adobe (a mixture of wet clay) or filler will be stabilized (eg cement), come in useful and more natural alternatives like cloth bags, because after the installation of the wall strength of the bag is no longer so important. Size 50-pound bag is very comfortable, the thickness of the coating walls decorated turns 38 centimeters (more than our usual, but also you can search in different sizes or not fully complete - approx.). If you have access to different kinds of bags, the big well go to the foundation, and with less work better to the top of the dome. You can also (and sometimes can be very convenient) to use polypropylene hoses, which are produced in whole rolls, but we prefer the bags for the following reasons:
1) bags cheaper
2) You can work alone
3) each bag separately is easy enough (in our case - to 16 kg)
4) a bag with a seam on the bottom is where the set, and the sleeve, especially with something solid, like to roll to the side.

Stacking bags
Gently Lay the first row of bags in a line over the rubble of the drainage ditches. Carefully put each bag that wrapped the top of the lying comfortably in front of the previous bottom of the bag - so everything will be securely packed. Also, before placing each bag, you can stretch out under it on poltorametrovomu piece of polypropylene twine - styanete then it has two or three follow-level masonry.

Compaction bags
After a number of bags packed, it must be thoroughly rammed, so as far as laying a wall of the dome subside as possible. We have used all sorts of ways, from shoes to utaptyvaniya improvised trambovok. In the picture - our favorite ram, fairly heavy, and besides its base roughly corresponds to the width of the bag.

Laying barbed wire
Before you start laying the next level, it is necessary to lay two rows of 4-spikes of barbed wire on top of already utrambovanyh bags. Indents inside of 10 cm from each outer edge of the wall. Temporarily pin down the wire with stones or bricks, let them lie as long as there is no new series of stacked bags. Barbed wire has two functions: 1) helps to seal each bag, 2) prevents the possible spread of the wall due to the pressure of gravity from the top.

Adding a further series
The first few rows should be laid vertical wall, one on one. Let the bags are "overlap", the procedure as in brickwork. The photograph shows that the first ranks tied on top with polypropylene twine for sustainability as it will for some reinforcement in the subsequent plastering / stucco.

Calculation of the dome shape
A simple way to make the dome a stable form - used as a pointer pole length approximately equal to the inner diameter of the base (4.3 meters in this case). Put the pole inside the perimeter of the house and then start to raise one of its edge, making sure that the "projection" pole on the floor all the time passed through the center of the base and the other end was fixed on the ground. Free edge of the pole will describe an arc shape of the dome. This rule works to the height of the attic floor (about 2,5 m) and the upper part of the dome is better done in the form of a cone, an equilateral triangle in the cut. Can be installed on the attic floor a simple wooden form a triangle, to facilitate stacking of bags. So you just be confident that the upper rows of bags lie flat on their places and do not leave.

Notes for those who want to do everything faster.
-First of all, deliver on the plot of "clean" (without the stones, roots and large pieces of clay), sandy-clay soil, dividing it into piles around the construction sites.
-To reduce labor costs, fill the bags directly outside their place of masonry in the wall.
Swamp-bags to place in one fell swoop.
GRAVE be raking in bags directly from the truck. Also think about how to fill them poratsionalnee drainage trench.
Work-teams - for example, two teams in a small house - and arrange a friendly competition for the best title Stakhanovite;)
-Size of the bag still important. Bag, slightly larger than necessary, it may be impossible. Do not overstrain. Experiment.
-Hone their skills by packing the "standard" bags - they kill a lot of time. You can make partially covered with a sack in the right place and to estimate by eye how much more to pour. Take more ground than it seems - leveling.
-Do not strive for absolute perfection. Elect the middle path, not to indulge in excesses in the form of manic-precision masonry or, alternatively, full sloppiness. Pay due attention to the case, and no one will notice the small flaws in your work, especially after the plaster coating the walls. If necessary, defects in the wall just enough to align and trim ram to help you.
-Also, do not be overly diligent compactor bags, enough to make them solid. 30 seconds is enough for a bag, maximum - the moment when you are tired or not in a hurry.
- Use of "canned method" (ie, slowly fill the bags, one bank or a bucket), although at a much slower process, but can not broken, especially when working on verhature.
Content tags: project House of the bags
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