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Old 10th February 2020, 11:46 PM
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Default New concrete road.

The local council/Barangay are in the midst of building a new concrete road, while welcomed there is no access for us to exit our house with the car, save for the motorbike. We had no notification that this was going to happen, they appeared. Whilst we are happy to have this happen for an eventual easier access but no ramp/access was or will be supplied from the contractor and is up to the land owner to provide, If we call an ambulance then tough titties there is no access, too late I am dead.

Interestingly it is only concrete with no steel reinforcing and will only be 4.3 metres wide, tight to pass an oncoming vehicle with a 200 mm drop on both sides.

More fun in the Philippines.

Cheers, Steve.
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Old 11th February 2020, 12:36 AM
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And from what I have seen here they will at some time stop work for a while and not do anything about providing access or inform anyone impacted.

In my travels I have seen a few hundreds work sites, not one had what I would consider sufficient men and equipment working on it to finish in anything approaching a timely manner. The vast majority had no men or equipment at the site, just a (grossly inadequate) sign, if that.
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Old 11th February 2020, 12:59 AM
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And from what I have seen here they will at some time stop work for a while and not do anything about providing access or inform anyone impacted.

In my travels I have seen a few hundreds work sites, not one had what I would consider sufficient men and equipment working on it to finish in anything approaching a timely manner. The vast majority had no men or equipment at the site, just a (grossly inadequate) sign, if that.
Agree Rick and that is "apparently" how it is done. I also witnessed many roadworks both in Cam Sur and Cagayan but always access for a car whether the old dirt or a ramp onto the new concrete but here in Tammacalao little info nor services are offered to the locals and we march on regardless, thank god we have a motorbike to gain daily needs.

Have to add though that it eventually works and in the meantime none of the locals mind only the likes of newcomers such as myself,,,,,,,, chilling now.

Cheers, Steve.
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Old 11th February 2020, 10:51 AM
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They also do a few tens of metres then leave a gap then another stretch and so on with no rhyme or reason.
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Old 11th February 2020, 04:58 PM
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same experience my in-laws had, build in 20 meter sections with huge gaps, they eventually connected all the pieces but really dangerous for a while. The upside is the lot my wife and I bought has almost doubled based on offers we have received

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Old 11th February 2020, 10:29 PM
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Originally Posted by bigpearl View Post
The local council/Barangay are in the midst of building a new concrete road, while welcomed there is no access for us to exit our house with the car, save for the motorbike. We had no notification that this was going to happen, they appeared. Whilst we are happy to have this happen for an eventual easier access but no ramp/access was or will be supplied from the contractor and is up to the land owner to provide, If we call an ambulance then tough titties there is no access, too late I am dead.

Interestingly it is only concrete with no steel reinforcing and will only be 4.3 metres wide, tight to pass an oncoming vehicle with a 200 mm drop on both sides.

More fun in the Philippines.

Cheers, Steve.
The philippines still don't know how to mix concrete properly or use it correctly. Good luck with your new road.

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Old 12th February 2020, 12:35 AM
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They also do a few tens of metres then leave a gap then another stretch and so on with no rhyme or reason.
Actually there is a reason for that.

Concrete shrinks as it cures, this allows the shrinkage to be filed in with the fresh concrete placed in between the staggered pours. The majority of this shrinkage occurs in the first week or so of the concrete being poured. That is why when we pour a floor slab, typically we do sections 1,3,5,7 then go back and pour sections 2,4,6,8 later

However it should be in less than 5 m or so segments to avoid cracking.

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Old 12th February 2020, 12:44 AM
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The philippines still don't know how to mix concrete properly or use it correctly. Good luck with your new road.
The other day I saw a small backhoe loading a concrete mixer, initially I thought that they were blending a gravel mix, this is a common way to do it, where the exact weight does not matter. You can also use a mixer to transport the gravel and then use the chute to place it exactly where you want to instead of using additional equipment and shovels. Useful for placing landscape gravel for example.

Then I noticed that they were just using a pit run ( i.e. not a screened mix of rocks but just what they get when the run through the pit with a loader and pick up everything.) and loading cement into the mixer as well.

Proper concrete for should be mixed by weight, a proper blend of coarse aggregate (rocks) and fine aggregate (sand) and adjusting for the moisture content of the aggregate as well before adding water.

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Old 12th February 2020, 06:26 AM
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The philippines still don't know how to mix concrete properly or use it correctly. Good luck with your new road.
Yep, good luck agreed with our new concrete road with out reinforcing but have to say our concrete house is still standing after 10 years and no cracks. Perhaps it was built with plenty of cement and re bar, the owner builder was a Canadian and not silly obviously.
Ben has built a ramp with large rocks, gravel and clay and has now driven in and out a few times. Only time will tell for the new road without reinforcing and whether 15, 20, 25 or 30 Mpa, probably 20 Mpa, only vaguely good for foundations with reo.
Let's see what happens with the next typhoon and the flood waters, more fun.

Cheers, Steve.

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Old 12th February 2020, 06:52 AM
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Yep, good luck agreed with our new concrete road with out reinforcing ....
Concrete roads are typically built without reinforcing in them, especially in warm climates

Reinforcing in concrete has two purposes. The first is because concrete is good in compression but bad in tension and so steel reinforcing is added to the beam or column to take the tension loads. A road with a proper base is all in compression so this steel is not needed.

The second is to control shrinkage cracking. In cold climates it is used to control temperature shrinkage. Where I come from the design is usually from -40 to +40, here the design range would be about +25 to perhaps +35, much less temperature shrinkage so not as needed as in Canada. Also with our freeze thaw cycles the road bed can heave due to frost and a little steel is sometimes used in case this introduces tension in the slabs.

If the road is wide enough so that there are two strips of paving along the road, short dowels can be used to ensure that any movement in a slab, due to temperature, frost or settlement, is equal on both sides of the joint and there is no bump in the middle of the road. (These are embedded on one side and then the other side is coated so that it does not bond to the concrete to allow some temperature movement, id bonded to both sides there is a risk of the steel pulling out and causing cracking art the dowels.)

Since your road is narrow, I am guessing that only a single slab is required for the width an therefore dowels are not required.

Also higher strength concrete will have more shrinkage as it cures, 20 mPa is adequate for most roads. You don't want to use too high a strength for the task because of this ( and of course cost) I have built airport tarmacs that were capable of supporting C5 Galaxy aircraft and we used 20 mPa concrete for them. (Could have used 15 mPa, but we wanted the 20 mPa for weather resistance not to carry the traffic loads.)


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