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Publications
Case Studies
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Our twelve page report of the Shell Petit Couronne project describes, and illustrates with fotos, the progress of the work done on the foundation of this compressor, from beginning to end.
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Our ten page report of the Enagas project describes, and illustrates with fotos, the progress of the work done on the foundation of this reciprocal compressor, from beginning to end.
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Our twentyfour page report describes, and illustrates with fotos the progress of the work done on the foundations of these 8.3 MW engine/alternator sets, from beginning to end.
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Our fifteen page report describes, and illustrates with fotos the progress of the work done on the foundations of these aluminum can makers, from beginning to end.
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Our nine page report describes, and illustrates with fotos the progress of anchor bolt repair and partial regrout done for Ineos Lavera Refinery in France.
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Product Bulletins
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GENERAL DESCRIPTION of ALPHATEC 110, a three-component polymer grout system consisting of modified epoxy resin,chemical hardener, and blended aggregate. ALPHATEC 110 is especially formulated for rapid curing, and a compressive strength of 60 MPa is attained within 4 hours when the grout is mixed and cured at 23ºC.
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GENERAL DESCRIPTION of ALPHATEC 130, a three-component polymer grout system consisting of modified epoxy resin, chemical hardener, and blended aggregate. ALPHATEC 130 is specially formulated for high temperature operating environments, and is widely used for turbines, blowers, deepwell pumps, heat exchangers, and other hot machinery.
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GENERAL DESCRIPTION of ALPHATEC 141, a three-component polymer grout system consisting of modified epoxy resin,chemical hardener, and blended aggregate. ALPHATEC 141 is formulated for fast cure in immersed conditions, and will attain a strength of 23 MPa within 4 hours when mixed and placed at 23ºC. It can be used at operating temperatures of up to 50ºC.
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GENERAL DESCRIPTION of ALPHATEC 240, a two-component epoxy putty system consisting of modified epoxy resin paste and a chemical hardener.
It has good water displacing properties allowing it to bond to wet surfaces, and cure underwater. It bonds well to steel and concrete surfaces, and cures rapidly. It is used for sealing grout forms, patching concrete, patching steel tanks, setting baseplates in position, and so on.
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GENERAL DESCRIPTION of ALPHATEC 300, a modified epoxy resin adhesive which gives excellent bonding to many different substrates, including concrete. It is mainly used to repair stress and shrinkage cracks in concrete structures and machinery foundations. It has good thermal and mechanical shock resistance.
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GENERAL DESCRIPTION of ALPHATEC 370, a two-component polymer grout injection system consisting of modified epoxy resin and chemical hardener. ALPHATEC 370 is specially formulated for bonding to oil-contaminated surfaces, such as are commonly found in cracks or separations in rotating machinery foundations. It is widely used for the repair of concrete foundations for diesel engines, compressors, presses, rolling mills, rails, and any other area where oil-contamination is a problem.
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GENERAL DESCRIPTION of ALPHATEC 800, a high performance aggregate filled epoxy grout with superior mechanical and chemical properties. This grout material was specifically formulated to support heavy machinery, thus ensuring the correct transfer of static and dynamic loads into the concrete foundation. It is widely used in repair work, and for new installations. ALPHATEC 800 is chemically stable to 150°C, but good engineering practice suggests limiting the actual service temperature to something less than this maximum.
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Other Reports
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A discussion of grout properties required for the installation of rotating machinery, and suggestions for grout evaluation.
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Our beginnings. This paper examines some of the main problems affecting machinery foundations, and illustrate some of the repair procedures that have worked well.
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