www.farobel.com THE JRI+ 4 SOLUTION A Disruptive Proposal for the - - PowerPoint PPT Presentation
www.farobel.com THE JRI+ 4 SOLUTION A Disruptive Proposal for the Future of Road and Highway Construction in the U.S. ACPA Mid Year Meeting - Jointing Task Force Chicago, June 22nd 2016 WHAT THEJRI+ 4 SOLUTION CAN DO FOR YOU? PRESENTING THE
www.farobel.com
ACPA Mid Year Meeting - Jointing Task Force Chicago, June 22nd 2016
A Disruptive Proposal for the Future of Road and Highway Construction in the U.S.
PRESENTING THE PATENTED TECHNOLOGY THAT MAKES POSSIBLE TO BUILD MORE DURABLE, LOW COST AND ENVIRONMENT-FRIENDLY ROADS AND INFRASTRUCTURES
TECHNOLOGY FOR CIVIL ENGINEERING
50 % REDUCTION IN THE ROAD CROSS-SECTION CONSTRUCTION COST HALVES CONSTRUCTION TIME INCREASE IN DURABILITY TESTED IN MORE THAN 60 PROJECTS SAFER AND MORE SUSTAINABLE ROADS, WITH ZERO STRUCTURAL MAINTENANCE
TECHNOLOGY FOR CIVIL ENGINEERING
Let’s assume we have a soil section without volume changes, with any CBR, and one or two layers: A structural layer: makes the stress and deflection bearable by the soil A rolling layer, to improve service (safety, sonority, comfort and durability). May be Asphalt or just Concrete
TECHNOLOGY FOR CIVIL ENGINEERING
Deflection is inversely proportional to rigidity The structural layer must have the least deflections possible to get an elastic response from the soil: Rigidity
E*I=Elascity Modulus*Inertia
must be the highest possible
TECHNOLOGY FOR CIVIL ENGINEERING
A 10 cm thick steel plate would render vertical stresses bearable by any soil (including very low CBR) Would be a good structural layer for any road and stable soil, although certainly expensive A 18,5 cm Concrete layer of 4,5MPa presents the same rigidity than that steel plate: deflection is the same
TECHNOLOGY FOR CIVIL ENGINEERING
Then, why are we using more and more supporting layers, and greater Concrete layer thicknesses? The answer: because flexo-traction stresses bearable by Concrete are much lower than in steel And because in conventional system, load transfer requires a good base under the Concrete
TECHNOLOGY FOR CIVIL ENGINEERING
Then, how can we reduce those stresses in Concrete? We have four possibilities: Adding supporting layers Increasing Concrete layer thickness Improving load transfer between slabs Reduce length and width of slabs THEN, WHAT IS OUR PROPOSAL?
TECHNOLOGY FOR CIVIL ENGINEERING
The Load Transfer solution: To improve load transfer between slabs, making it PERMANENT on time In other words, THE JRI+ 4 SOLUTION MAKES POSSIBLE THAT THE TRANSFER EFFECTIVENESS DOES NOT DECREASE WITH TIME PASSAGE
TECHNOLOGY FOR CIVIL ENGINEERING
If transfer effectiveness does not decrease with time passage, then: We don’t need supporting layers at all We may reduce slab’s thicknesses We may also reduce slab’s length and width We eliminate the need for dowels, cutting and sealing So, that is the JRI+ 4 Solution: CONCRETE SLABS SUPPORTED ONE IN ANOTHER ON THE FOUR EDGES, AND DIRECTLY ON THE SOIL
TECHNOLOGY FOR CIVIL ENGINEERING
Typical Cross Section
Proposed Cross Section
Elimination of ALL layers under the concrete slab Only a SINGLE LAYER of CONCRETE directly on soil An optional top layer made of asphalt
P.C. JRI+ Pavement-grade Concrete of 4,5 Mpa with edges JRI+ supported in 3x3.5x0.22 (m) slabs B.M. Bituminous Mix C.G. Cement Gravel C.S. Cement Soil S.S.C. Soil Stabilized with Cement S.S. Selected Soil
SAVINGS UP TO 20$/M² IN ROAD CONSTRUCTION
TECHNOLOGY FOR CIVIL ENGINEERING
EXAMPLE: 20 cm Slab with Daily Traffic of 10.000 13 Ton Axes
TECHNOLOGY FOR CIVIL ENGINEERING
THE JRI+ 4: MORE DURABILITY AT A LOWER COST
4 cm Asphalt layer 20 cm Concrete layer WITH PERMANENT LOAD TRANSFER 35 cm Asphalt layer
TECHNOLOGY FOR CIVIL ENGINEERING
Total 9 Slabs
Soil K-Modulus (m) (MPa/m) 6 14 5 29 4 69 3.5 120 3 220
SLAB THICKNESS 0.20
High quality soil requires a small size slab; poor quality soil, a large one
TECHNOLOGY FOR CIVIL ENGINEERING
50 100 150 200 250 1 2 3 4 5 6 7
Minimum Recommended Dimensions
The slabs rest on the soil in ALL surface points; and at the edges, on the adjacent slabs The critical load is at the center of the slab The cross section is the same for the entire road, incl. shoulders Slabs have four linear hinges dividing them in nine smaller slabs
SOIL, LENGTH, STRESS, AXES, DURABILITY
≤ ≤ ≤ ≤ ≤ ≤ ≤
TECHNOLOGY FOR CIVIL ENGINEERING
Registered Patents: Spain U.S.A. Colombia Mexico Russia China Indonesia
Patent protection for JRI+ 4
Patent Pending:
India Brasil Canada
2015 U.S. PATENT USPTO Patent number 9157195 for JRI+ 4 System: “Methods and devices for forming contraction joints in concrete works”
TECHNOLOGY FOR CIVIL ENGINEERING
The U.S. Patent is a valuable asset Testing ground for Infrastructure Industry around the world:
follow Our priority is to give momentum to the JRI+4 Solution in the US, with it’s rapid adoption in as many infrastructure projects as possible
Olean, NY, Interstate I-86, Spring 2006
TECHNOLOGY FOR CIVIL ENGINEERING
We are ready to discuss with any American Company or Authority the licensing terms and the Business potential of the JRI+ 4 System
Olean, NY, Interstate I-86, Spring 2006
TECHNOLOGY FOR CIVIL ENGINEERING
TECHNOLOGY FOR CIVIL ENGINEERING
Soil stabilization (lime or cement) may be recommended in some situations But the JRI+ 4 offers the best solution: to spend money in increasing slab’s thickness, rather than in improving soil or adding layers The poorer the soil, and the greater the loads, the bigger savings the JRI+ 4 will bring
TECHNOLOGY FOR CIVIL ENGINEERING
Traditional Dowel System JRI+ 4 System
High stress in concrete Lower stress: bigger contact surface Very good soil response No minimum soil response Uncontrolled cracks: PUMPING & WATER Controlled cracks with RUBBER: WATER PROOF Oxidation of the dowel Longer Life Polypropylene Need to cutting & sealing No need to cutting & sealing High thermal stresses ↓↓↓ Thermal Stresses: smaller slab Slow & Careful execution Faster execution with specific machinery
TECHNOLOGY FOR CIVIL ENGINEERING
HIGH PRECISSION SYSTEM FOR JOINT PLACEMENT
TECHNOLOGY FOR CIVIL ENGINEERING
Radical savings in quarry aggregates for road base layers More efficient use of concrete Less transportation and less CO₂ emissions Lower energy consumption
The JRI+ 4 Joint triggers a reduction of more that 50% in carbon footprint in road construction projects
Limited Maintenance (only surface layer)
TECHNOLOGY FOR CIVIL ENGINEERING
Roads
Trains
Airports Ports Industry Street pavements
Water channels
Parkings
TECHNOLOGY FOR CIVIL ENGINEERING
www.farobel.com José R. Vázquez , CEO C/ Jose Abascal, 19. 4th floor, D. 28003 Madrid (Spain) jvazquez@farobel.com +34 665 027 100 (Mr. Velasco, Head of Business Development) jvelasco@farobel.com