riparazione piste aeroportuali (2013)
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LAMANNA LUIGI FRANCO Independent Technical Consultant
132, via dei Serpenti – 00184 ROMA – ITALY – U.E.
e-mail: lamannaluigifranco @ gmail.com
MAINTENANCE OF AIRPORT PAVEMENTS
DE-ICING, SYSTEM TO COMBAT THE ICE ON THE SLOPES OF AIRPORTS,
ESSENTIAL, BUT BY THE TIME THE USE OF PRODUCTS FROST
DEGRADES PART OF THE TRACK “SURFACE”
THE SURFACE LAYER OF ROADS AND AIRPORT MANTLE OF THE SUPERSTRUCTURE
ARE SUBJECT TO SPOILAGE FOR SEVERAL FACTORS:
• DILUENTS’ACTION OF FUEL
• STRESSES TRAFFIC
• ENVIRONMENTAL
THIS DETERIORATION OCCURS AT DIFFERENT LEVELS AND WITH DIFFERENT
RHYTHMS. THE RECOGNITION OF DEFECTS AND THEIR CAUSES HELPS TO ASSESS
THE CONDITIONS OF PAVEMENT AND TO SELECT THE RIGHT REPAIR CONSIDERING
COSTS AND EFFECTS.
THERE ARE DIFFERENT TYPES OF DEFECTS:
- DEFECTS OF THE SURFACE
- DEFORMATION OF THE SURFACE: REPRESENTED BY THE PRESENCE OF FURROWS,
DISTORTIONS (BUMPS OR RIPPLES)
- CRACKS AND INJURIES
- PATCHING AND HOLES
FREEZE / THAW
SIMPLIFIED DESCRIPTION OF THE PHENOMENON OF DETERIORATION FROM
FREEZE / THAW
1. - FORMATION OF ICE
2. - THE ICE TURNS TO WATER FILLING THE PORE
3. - THE TEMPERATURE DROPS AND THE WATER IN
THE PORE VOLUME INCREASES ITS DESTRUCTIVE
SPARKING TENSIONS WITHIN THE "SURFACE" AND
"BASE"
4. - CREATE TENSIONS EXPANSIVE DETERIORATION OF
THE "SURFACE" AND "BASE"
ON THE BASIS OF OUR EXPERIENCE, THE USE OF A SERIES OF PROTECTIVE COATING
SURFACE CAN BE AN EFFECTIVE RESPONSE TO THIS ISSUE BECAUSE, AS WELL AS TO
POSTPONE THE AGEING OF MATERIALS BITUMINOUS LAYER, IS ABLE TO IMPROVE ITS
GENERAL BEHAVIOUR, DISTRIBUTING THE STRESSES THAT ARE TRANSMITTED. THIS
TECHNIQUE- UNDERTAKEN ON AN EXISTING CONGLOMERATE BITUMINOUS COATING
CONTINUOUSLY AND REACHED WITHOUT USING JOINTS- IS DEVELOPED AS FOLLOW:
• CLEANING THE SURFACE, REMOVING REMAINS OF OILS, RUBBER AND SCALING, TO
ENSURE GOOD ADHESION BETWEEN THE OLD PAVEMENT AND THE SUBSEQUENT
COATING;
. SEALING OF JOINTS AND CRACKS GREATER THAN 25 MM WITH A BITUMINOUS
MORTAR COMPOSED OF BITUMEN MIXED WITH SAND AND / OR FILLER;
. APPLICATION OF A FIRST LAYER, WHICH FUNCTIONS AS A IMPREGNATION PRIMER, OF
SYNTHETIC RESIN SUCH AS "EPOXY-TAR", FREE OF CHARGES, SOLVENTS AND
PLASTICIZERS BUT WITH A HIGH CONTENT OF "SILANES” AND
"MONOALKOXYTITANATES” WITH SPECIAL EQUIPMENT FOR ABOUT 55 G/SQM. THE
SYNTHETIC EPOXY-TAR RESIN IS ECOLOGICAL TAR-BASED AND EPOXY RESIN WITH
AMINE HARDENING, ABLE TO FILL ANY SMALL CRACKS ON THE SURFACE OF
BITUMINOUS CONGLOMERATE WITH SEALANT FUNCTIONS;
• APPLYING A SECOND LAYER OF EPOXY-TAR RESIN AT A RATE OF 1000 G/SQM AND
SUBSEQUENT DREDGING WITH HIGH HARDNESS INERT QUARTZ BASED. THE
FORMULATION OF EPOXY RESINS WITH ECOLOGICAL TAR EXPLOITS THE PROPERTIES
OF BOTH MATERIALS SUCH AS RESISTANCE TO CHEMICALS AND THERMAL
FLUCTUATIONS AND FLEXIBILITY OF TAR.
RIGHT ANGLE CRACKING FORMS BLOCKS
SMALL BLOCKS WITH OPEN CRACKS ALLIGATOR CRACKING AND POTHOLE
CRACKS SEALED. NO DISTORTION. SLIGHT RAVELING
ASPHALT AIRFIELD PAVEMENTS
THE SPECIAL FORMULATION OF EPOXY-TAR RESIN WAS DESIGNED TO OBTAIN:
-ADAPTABILITY TO ANY KIND OF SUPPORT FLEXIBLE BITUMINOUS CONGLOMERATE
THAT IS OLD OR NEW;
- HIGH ADHESION TO SUPPORT;
- FAST OUTFLOW OF WATER .
THE TREATMENT OF FLOORING BITUMINOUS CONGLOMERATE, AS INDICATED ABOVE,
TO OBTAIN SURFACES MORE RESISTANT TO WEATHER, WEAR AND PRESSURE,
INCREASINGLY REDUCE THE COSTS OF MAINTENANCE. WE ALSO HAVE THE ADVANTAGE
THAT THE PAVEMENT SO PROTECTED, IN ADDITION TO BEING DURABLE, ALLOWS A
DRIVING MORE COMFORTABLE, SAFE, WITH THE REDUCTION OF DAMAGE TO VEHICLES.
ALTHOUGH THE USE OF RESINOUS PRODUCTS MAY APPEAR MORE EXPENSIVE, IN THE
ECONOMIC ANALYSIS MUST CONSIDER THE IMPACT THAT THE COSTS OF ROUTINE
MAINTENANCE AND CONTINUOUS INCREASE IN PRICES OF OIL DERIVATIVES USED
TRADITIONALLY.
SURFACE PREPARATION:
REMOVAL RESIDUES FROM RUBBER FLIGHT OF THE TRACK THROUGH "SHOT BLASTING"
BEFORE THE "GLOBALPOX-TAR-15/146”
SURFACE
SURFACE TREATMENT BY
"GLOBALPOX-TAR-15/146"
1° - “GLOBALPOX-TAR-15/146” 0,500 KGS/SQM
3° - “GLOBALPOX-TAR-15/146” 1,00 KGS/SQM
2° - MECHANICAL REINFORCEMENT OF GLASS FIBER – 100 G/SQM
DESCRIPTION OF THE STAGES (1 TO 3) OF SPRAY (AIRLESS) APPLICATION OF THE
“GLOBALPOX-TAR-15/146” MACHINE BY SPREANDING THE HOT MODIFIED BITUMEN
MACHINE BY SPREADING THE
HOT MODIFIED BITUMEN
2
1- 3
AIRPORT PAVEMENTS AND ROAD TRANSPORT FLEXIBLE PAVEMENTS
BASE
SUBBASE
AIRPORT PAVEMENTS AND ROAD TRANSPORT
FLEXIBLE PAVEMENTS
IN GENERAL CONSIST OF AN ASPHALT-BOUND
SURFACE COURSE OR LAYER ON TOP OF
UNBOUND BASE AND SUBBASE GRANULAR
LAYERS OVER THE SUBGRADE SOIL
SURFACE
SURFACE TREATMENT BY
"GLOBALPOX-TAR-15/146"
THE
"GLOBALPOX-TAR-15/146"
PROTECT FOR SEVERAL
YEARS THE "SURFACE" BY
CORROSION DUE TO FROST
AND SALTS BY THE TIME
DEGRADATION
ESSENTIAL CLEANING SYSTEM OF ROADS THAT TIME DEGRADES “SURFACE”
OF THE SAME
SNOW REMOVAL
SPRINKLING OF SALE
SEVERE RUTTING CAUSED BY POOR BASE OR SUBGRADE
REPAIR/FILL WITH "GLOBALPOX-MALTA-15/190"
. MAX 60 MMS
LIGHTING SYSTEMS AT AN AIRPORT
HOLE FOR FIXING “GLOBALPOX-MALTA" TRAIL OF LIGHTS
INCLUSION OF FIRE TRACK
AND SEALING WITH
"GLOBALPOX-MALTA-15/190”
MORE FLEXIBLE
EXAMPLE OF AN AIRPORT RUNWAY REPAIR WAR OR TERRORIST ATTACKS IN A VERY
VERY SHORT
TIME “210” MINUTES
RECOVERY OPERATIONS ON
TRACK
DESIGN OF A HEAD DIELLE
AIRPORT RUNWAY WHERE
ARE REFERRED TO THE
EXPANSION OF JOINTS
DESIGN OF RELIEF ON THE
STATE OF DEGRADATION OF
AIRPORT RUNWAY WITH
MULTIPLE CRACK
TYPICAL EXAMPLES OF
DAMAGE CAUSED BY
BOMBARDMENT OF A
RUNWAY
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WRITING "GLOBALPOX-MALTA"
RAPID SETTING
TIME “210” MINUTES
RECOVERY OPERATIONS ON
TRACK
TIME “0” MINUTES
START ANY RECONNAISSANCE
EXPLOSION
CONDUCTIVE / DISSIPATIVE PAVEMENTS
1° - APPLICATION OF SPECIFIC CONDUCTIVE EPOXY PRIMER “ GLOBALPOX-PRIMER-ESD”
0,150 – 0,200 KGS/SQM
3° - APPLICATION OF CONDUCTIVE SELF-LEVELLING EPOXY RESIN 2
COMPONENTS “GLOBALPOX-PVA-ESD” 2,600 KGS/SQM X 2 MM
4° - APPLICATION OF SPECIFIC CONDUCTIVE EPOXY FINISH
“GLOBALCOAT-ESD” 0,150 – 0,200 KGS/SQM
PROCESS DESCRIPTION CONDUCTIVE SELF-LEVELLING:
“GLOBALPOX-PVA-ESD”
CONCRETE
BASE PREPARATION WITH
SANDBLASTING O SCARIFYING
O GRINDING MACHINE
(DEPENDING ON THE DEGREE
OF DEGRADATION AND TYPE
OF FLOORING TO COAT)
2° - APPLICATION OF COPPER STRAPS AROUND THE PERIMETER OF THE FLOORING
SO AS TO APPLY THE COATING
IT IS PARTICULARLY SUITED FOR ELECTRONIC ENVIRONMENTS,
WAREHOUSES WITH FLAMMABLE OR EXPLOSIVE MATERIALS,
PHARMACEUTICAL, CHEMICAL AND FOOD INDUSTRIES.
SUCH SYSTEM IS COMPLIANT TO THE RULES AND REGULATIONS DIN
IEC 61-340-4-1 (POLYMER INSTITUTE, P 2061-3) AND UNI EN 13813:2002.
SUCH COATING CAN BE APPLIED TO INDUSTRIAL FLOORING MADE
OF CONCRETE, TRADITIONAL SCREED COAT OR SCREED COAT
MODIFIED WITH POLYMER, CONTROLLED SHRINKAGE SCREED.
COPPER STRAPS AROUND THE
PERIMETER OF THE FLOORING
SO AS TO APPLY THE
COATING
PRODUCT SHEETS GLOBALCHIMICA
GLOBALPOX -TAR -15/146
TWO-COMPONENT, SOLVENT-FREE PRODUCT FORMULATED WITH FLUID EPOXY RESINS MODIFIED WITH SPECIAL HYDROCARBON EXTENDERS. HIGHLY SUITABLE FOR PROTECTIVE, ANTI-CORROSION AND WATERPROOFING COATING OF CONCRETE, FIBRE-CEMENT, BRICKWORK, STEEL AND WOOD SURFACES. DUE TO ITS VERY GOOD PROPERTIES WITH REGARD TO ADHESION AND RESISTANCE TO ACID AND ALKALI SOLUTIONS, THIS PRODUCT IS USED FOR THICKNESS-PAINT COATING OF SEWER TRUNK LINES, BIOLOGIC PITS, ROAD SURFACING UNDERLAYERS, GRES FLOORING UNDERLAYERS, INDUSTRIAL ROOFING, DRAINAGE WATER CONTAINER TANKS (ALSO IF CONTAMINATED BY OIL RESIDUES), SALT WATER TANKS, STRUCTURES EXTENDING UNDERGROUND, DECONTAMINATION INSTALLATIONS. “GLOBALPOX-TAR-15/146” CAN RETICULATE COMPLETELY ALSO AT LOW TEMPERATURES (DOWN TO + 5° C); IT IS ALSO RECOMMENDED FOR FOR USE INDOORS SINCE, BEING FREE FROM SOLVENTS, PREVENTS FIRE HAZARD.
GLOBALPOX-MALTA-15/190
TWO-COMPONENT EPOXY MORTAR THAT CAN BE FILLED (IN CONCRETE MIXER) WITH SILICEOUS AGGREGATE; IT IS SUITED FOR RESTORING OF CARRYING STRUCTURES SUBJECTED TO HIGH MECHANICAL STRESS, BUILDING OF BEDPLATES, REPAIR OF STEEL-COVERING ON DETERIORATED CONCRETE STRUCTURES, BUILDING OF BLOCKS, HIGH-RESISTANCE REINFORCEMENTS, BEARING FOR BEAMS AND RAILS, CONCRETE /WOOD CONCRETE /STEEL-CONCRETE GLUEING. BEFORE PUTTING THIS PRODUCT IN CONCRETE MIXER, IS NECESSARY TO MIX THOROUGHLY COMPONENT “A” AND “B” USING A LOW-SPEED MOTOR (I.E. HAND DRILL) DRIVING A MIXING SCREW. THE RIGHT FILLING RATIO GOES FROM 1: 1 (1 PART MORTAR + 1 PART SILICEOUS AGGREGATE) TO 1: 2 (1 PART MORTAR + 2 PARTS SILICEOUS AGGREGATE). OPTIMAL GRANULOMETRY OF SILICEOUS AGGREGATE IS 1 ÷ 3 MM. AFTER POURING MORTAR IN CAISSON IS NECESSARY TO COMPACT THE MASS USING PLASTERING TROWELS OR VIBRATORS.
GLOBALPOX –PRIMER-ESD
TWO-COMPONENT, FORMULATED WITH FLUID CONDUCTIVE EPOXY RESINS PRIMER TOTAL LAYER THICKNESS: 0,150 – 0,200 KGS/SQM
GLOBALPOX –PVA-ESD
TWO-COMPONENT, OF CONDUCTIVE SELF-LEVELLING FORMULATED WITH FLUID EPOXY RESINS CRACK-BRIDGING AND CHEMICALLY RESISTANT SELF-SMOOTHING CONDUCTIVE SYSTEM THICKNESS: APPROX. 2 MM = 2,600 KGS/SQM
GLOBALCOAT-ESD
TWO-COMPONENT, FORMULATED WITH FLUID CONDUCTIVE COATING EPOXY RESINS TOTAL LAYER THICKNESS: 0,150 – 0,200 KGS/SQM
EXPOSURE OF OUR PRODUCTS IN INTERNATIONAL TRADE FAIRS
Luigi Franco, LAMANNA
INDIPENDENT CONSULTANT Tunnelling Consultant Specialized in Mechanized Tunnelling with
Hard Rock TBM and Soft Soil EPB Shields Expert and Consultant in structural reinforcement
E-mail: lamannaluigifranco @ gmail.com - epc.consulting.italia @ gmail.com
132, via dei Serpenti – 00184 ROME, ITALY, U.E.
INDUSTRIAL FACTORY: GLOBALCHIMICA srl 16-18, via del Boschetto
10040 LOMBARDORE (TORINO) – ITALY - U.E.
E-mail: info @ globalchimica.com
TECHNICAL AND COMMERCIAL DEPARTMENT:
DIVISIONS: - TUNNELLING - MINING - OIL - CIVIL ENGINEERING UNDERGROUND ENG. - TBM-EPB (GREASE-SEALANTS, SOIL CONDITIONING FOAMS AND POLIMERS)
E.P.C. CONSULTING srl LAMANNA LUIGI FRANCO
132, via dei Serpenti – 00184 ROME – ITALY - U.E.
E-mail: lamannaluigifranco @ gmail.com / epc.cons@ virgilio.it / epc.consulting.italia @ gmail.com
LUIGI FRANCO, LAMANNA
EXPERT AND CONSULTANT IN STRUCTURAL REINFORCEMENT
132, via dei Serpenti
00184 ROMA – ITALY – U.E.
e-mail: lamannaluigifranco @ gmail.com
epc.consulting.italia @ gmail.com