RRP - Reynold's Road Packer
| Today roads extend over almost every terrain.
Day after day, year after year they have to withstand increased stress and strain. This is let to the modern road construction industry. The treat with the tradition with the sounds with the high technique development and high standard of quality. It is also let to high demands in engineering together with increased demands in material and machinery. And this is the other side of the coin: the costs and the adverse effects at the environment are enormous. The most important of all imposed loads on earth are foundations. |
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| A road or any other civil engineering project
which is constructed using RRP 235 Special is frost proof and therefore
save for a long time.
You can construct faster with RRP 325 Special - .because of reducing of constructing time, transport and labor. RRP 235 Special constructions are more stable
than traditional matters thanks to the ion interchange actions.
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For a concrete surfacing resting directly on the subgrade and for medium to heavily trafficked roads the bearing capacity on the surface of the sub-base (frost blanket) or, if no sub-base is provided, on the subgrade, must be:
ROAD CONSTRUCTION WITH RRP-SPECIAL
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Example of RRP-Special being applied:
The RRP-processing solution (RRP-Special mixed with water) is dosed into the ground from the tanl lorry by means of pipes running straight into the rotary hoe (pulvimixer). The vibration roller which follows on compacts the RRP-soil to optimum density and within a day the site is completed or ready for the required surface to be laid. |
How to be more competitive without
having to calculate so keenly!
This brochure aims at providing you with hints as to how to remain
competitive in future, too, despite the present difficult situation. How
to survive in future with a greater profit margin.
Road constructor know this situation only too well:
Increasing financial burdens on urban and rural communities, economy
measures in trade and industry. All this puts building projects at risk,
restricting planing, compelling toad builders and contractors to calculate
more and more keenly in order to remain competitive.
Sometimes they are compelled to quote at cost price. It does not look
at though this difficult situation on the road construction sector is likely
to improve within the foreseeable future. After all, as a road builder
and contractor you can't add money to save some project or other!
The solution is: RRP-Special
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RRP Bundeswehr (German Army) car park built
in 1972 by the Public Building Department in Ulm
In a letter written to us in May 1981 the Public Building Department confirms: "the car park at the Bundeswehr swimming centre built in 1972 with RRP is in perfect condition and shows no defects whatsover." |
That is RRP-Special:
RRP-Special is a further development on the old RRP which was first
used in Europe over 10 years ago. RRP-Special is more highly concentrated
so that the amount to be used has been reduced. Application techniques
have been considerable improved.
RRP-Special is a liquid, water-soluble ion exchanger (sulphonated oil.).
RRP-Special acts as a catalyst in the soil. When applied properly, RRP-Specials
alters the chemical and physical properties of the soil in such a way that,
when optimally compacted, it attains a much higher
density and strength than it could ever in its natural state. This
is due to a permanent change in the water-binding forces of the soil particles
(colloids), capillary being broken up to a very great extent.
RRP-Special is not an additive or a binding
agent like cement, lime, asphalt or salt. Its mere presence in the soil
enables this to be compacted very firmly, largely preventing its swelling.
Dampness and frost do not alter this situation. Since RRP-Special acts
as a catalyst, it cannot be washed out.
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Tank Road:
A letter written in June 1981 in Greece says: "The load plate pressure readings showed over 3,000 kg per ccm. The use of RRP-Special saves some 70% in comparison to the conventional method building" |
Important:
It is only possible to calculate costs saving precisely if the data
for each individual project is available. The amount of costs saved in
comparison with the conventional building method depends on geographical
and soil conditions, the kind of construction planned and the removal of
the conventional materials (sand, gravel, rubble and the like). The greatest
savings are made where the requirements for conventional building are most
difficult and where the greatest loading capacity is prescribed.
RRP-Special is sold exclusively to road construction firms.
RRP-Special's field of application
are practically unlimited:
RRP-Special for economical road construction, for roads and squares
in industrial use, for economic construction at airports (runways, roads
and locations of every kind). RRP-Special for use in agriculture and forestry
in rural areas.
RRP-Special for the construction of conduit ditches, sewerage and the
like, to ensure safety from frost (the removed
soil can be used again)). There are practically no limits to its use.
Here it is important to mention that RRP-Special's method of action
has not been fully probed. From the practical experience of the past 15
years we know that it does work. How and why has not been completely fathomed.
Thus it is that the convincing practical examples found in natural conditions
have not always been produced in RRP road construction in the laboratory.
Since nature and her own laws are always at work in practical soil
mechanics, this without doubt explains the lack of simulation in the laboratory.
Working with RRP-Special is
as simple as this:
It couldn't be more simple, more quick or more reasonable!
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2. Grade the subgrade to specified level 3. Spray RRP 4. Apply optimum compacting (rolling) 5. Install the surface |
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RRP-road built in 1971 by the Landratsamt
Kronach. They wrote in 1981: the condition of the RRP-road is in order.
RRP will help to reduce damage to the environment.
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RRP-Special - more than 25 years experience in Europe
| Water can no longer penetrate the RRP sub-structure. Any eventual dampness
remaining excapes or crystallizes.
A road constructed on traditional lines gets worse and worse with age. Due to capillarity and other natural means water penetrates the sub-structure. The sub-structure is subjected to a pump of effect due to traffic loads. The sub-structure gives way. In conjunction with the effects of frost or in hot zones, dry cracks, the surface is destroyed. RRP-Special can be regarded as a means of combating water in the sub-structure of the road. Frost damage (thawing damage) is prevented. |
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GUARANTEE
we can offer the following guarantees:
1. The guarantee that soil correctly treated and carefully compacted according to the application instructions and suitable for the treatment with RRP-Special, can no longer suffer damage caused by frost and water, which could affect the superstructure.
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2. The bearing capacity of the soil treated
with RRP-Special can only be achieved by carefully compaction with the
roller. Accordingly, plate bearing test values can be ascertained, which
are not possible with untreated soils.
3. In the case of soil, correctly treated and compacted according to the instructions, damage caused by capillary water can no longer occur. 4. Reynolds Roadpacker Special 1-3-5 cannot be washed out of soil treated and compacted according to the instructions. 5. When it is correctly diluted with water and applied according to the instructions, Reynold Roadpacker 2-3-5 Spezial is completely harmless and poison-free as regards humans, animals, plants and ground-water. |
7. We guarantee that plant-growth to the left or the right of the areas treated with RRP-Special is in no way affected.
8. In Europe and some African countries the above 7-point-guarantee is safeguarded by a product-liability-insurance, taken out with Zurich Insurance Company. Guarantee: up to five years, up to Sfr. 12 million per damage.
Thus it is easy for road construction firms to avail themselves of RRP-Special chemical. The insurance company is Zurich-Versicherung, Switzerland.
1. Savings of up to 50% and more compared with conventional road construction costs.
3. Later maintenance costs largely spared. Absence of additional maintenance costs for surfaces correctly treated with RRP-Special because the RRP-subsurface is not affected with heat, frost or damp. Therefore unlimited life duration.
4. Minimal outlay for machinery, no special construction machines being required.
5. Minimal staff requirements, the labourers needed requiring no special training.
6. No loading restrictions on the RRP-surfaces if these are constructed correctly according to instructions.
7. Minimal outlay for machinery and transport means that building projects are possible even when soil conditions are unfavourable and sites not easily accessible.
9. Kind to the environment because no damage to flora and fauna outside the immediate application site or to subsoil (expert opinion available).
10. A conventional sub-structure can be extensively or totally despensed with (depending on type of soil or load capacity achieved).
11. After the greater load capacity of the RRP sub-structure has been attained, the greater part of the conventional surface strength can be economized on because, on a thoroughly compacted RRP sub-structure, the surface can no longer be destroyed by water or frost. When constructed properly, the RRP sub-structure is not subject to any movement.
12. In road or embankment work the expensive transport of compressible soil material can be dispensed with entirely. If possible soil available at the side of the roads - perhaps loosened when drainage ditches were made - can be used. Even it is poor soil. RRP-Special can transform poor soil into soil which is compressible, which can stand a load and which is resistant to frost and dry cracks.
13. The absence of extensive material transportation
means great savings on costs of fuel and vehicle spare parts.
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Managing Director:
Peter Pressmar
Phone: +1 206-201-2420 +
Fax: +1 206 337-0754