DIN 2614:1990-02

1 Scope and field of application
2 Designation and ordering
      2.1 Standard designation
      2.2 Order details
             2.2.1 Essential order details
             2.2.2 Optional order details
3 Concepts
      3.1 Plasticizers
      3.2 Polymers
      3.3 Mixing ratio
      3.4 Repair mortar
      3.5 Additions
4 Lining processes and curing
      4.1 Lining processes
             4.1.1 Centrifugal lining
             4.1.2 Centrifugal spraying
             4.1.3 Manual lining
      4.2 Preparation for curing
             4.2.1 Curing of lining that is not polymer
                      modified
                      4.2.1.1 Curing at the storage site
                                 at ambient temperature
                      4.2.1.2 Curing under moist/warm
                                 conditions
                      4.2.1.3 Curing in draught-free,
                                 closed spaces
             4.2.2 Curing of polymer modified linings
      4.3 Repairs, storage and transport
             4.3.1 Repairs to linings
             4.3.2 Storage and transport
5 Types of cement mortar
      5.1 General
      5.2 Mortar containing plasticizers
      5.3 Polymer modified mortar
      5.4 Mortar for water supply pipes
      5.5 Repair mortar
6 Requirements
      6.1 General
      6.2 Substrate
      6.3 Constituents
             6.3.1 Cement
             6.3.2 Aggregates
                      6.3.2.1 Grading
                      6.3.2.2 Cleanness of aggregates
             6.3.3 Mixing water
             6.3.4 Additions
             6.3.5 Admixtures
                      6.3.5.1 Plasticizers
                      6.3.5.2 Polymers
                                 6.3.5.2.1 Resistance to
                                              saponification
                                 6.3.5.2.2 Behaviour on
                                              exposure to
                                              micro-organisms
      6.4 Fresh mortar
             6.4.1 Mixing ratio
             6.4.2 Water/cement ratio
      6.5 Cured lining
             6.5.1 Surface condition
             6.5.2 Design of pipe ends
                      6.5.2.1 Socket ends, flanged ends
                                 and threaded ends
                      6.5.2.2 Ends for welding
             6.5.3 Lining thickness
             6.5.4 Lining of pipes conveying salt water,
                      brine or other waters that are
                      aggressive to concrete
      6.6 Properties of cement mortar
             6.6.1 Compressive strength and flexural
                      strength
             6.6.2 Corrosion resistance
7 Testing
      7.1 General
      7.2 Substrate
      7.3 Cement mortar constituents
             7.3.1 Cement
             7.3.2 Aggregates
                      7.3.2.1 Grading
                      7.3.2.2 Cleanness of aggregates
             7.3.3 Mixing water
             7.3.4 Additions
             7.3.5 Admixtures
                      7.3.5.1 Plasticizers
                      7.3.5.2 Polymers
                                 7.3.5.2.1 Resistance to
                                              saponification
                                 7.3.5.2.2 Behaviour on
                                              exposure to
                                              micro-organisms
      7.4 Mixing ratio and water/cement ratio of fresh
             mortar
             7.4.1 Method of determination
             7.4.2 Sampling
             7.4.3 Determination of sand content
             7.4.4 Determination of water content
                      7.4.4.1 Drying to constant mass
                      7.4.4.2 Distillation method
      7.5 Quality of cured lining
             7.5.1 Surface condition
                      7.5.1.1 Irregular surface
                      7.5.1.2 Cracks
                      7.5.1.3 Structure
                      7.5.1.4 Hydraulic roughness
             7.5.2 Design of pipe ends
             7.5.3 Lining thickness
      7.6 Compressive strength, flexural strength and
             corrosion resistance of mortar
             7.6.1 Compressive strength and flexural
                      strength
             7.6.2 Corrosion resistance
Standards and other documents referred to
Other relevant standards and documents
Explanatory notes