Patent of cement mortar fluidity tester

GB/T17671-1999 "Cement Mortar Strength Test Method" (ISO method) is an effective national standard at present. This standard specifies the instruments, materials, mortar composition, test conditions, operation steps and result calculation of cement mortar strength test benchmark method. The results of compressive strength measurement are equivalent to those of ISO 679. At the same time, it is also included in the alternative standard sand and shaking table. If there is any objection to the results after contemporary use, the benchmark method shall prevail. This standard is applicable to the test of flexural and compressive strength of Portland cement, ordinary Portland cement, slag Portland cement, fly ash Portland cement, composite Portland cement and limestone Portland cement. It is necessary to study the applicability of this standard when other cements adopt this standard.

In addition, the current effective standards related to cement mortar are:

GB/T 24 19-2005 determination method of fluidity of cement mortar

JC/T 42 1-2004 Test Method for Abrasion Resistance of Cement Mortar

JC/T 60 1-2009 Determination Method of Air Content in Cement Mortar

JC/T 603-2004 Test Method for Shrinkage of Cement Paste Sand

JC/T 668-2009 Determination method of residual sulfur trioxide content in cement mortar

JC/T 68 1-2005 planetary cement mortar mixer

JC/T 682-2005 Form of Compaction of Cement Mortar Specimen

JC/T 723-2005 Cement Mortar Vibration Compaction Equipment

JC/T 724-2005 Cement Mortar Electric Bending Tester

JC/T 726-2005 Cement Mortar Test Mould

JC/T 958-2005 Cement Mortar Mobility Tester (Jumping Platform)

JC/T 959-2005 Cement mortar specimen curing box

JC/T 960-2005 Cement Mortar Strength Automatic Pressure Tester

JC/T 96 1-2005 Abrasion Resistance Tester for Cement Mortar

JJG (Building Materials) 102- 1999 Verification Regulation of Cement Mortar Mixer

JJG (Building Materials) 103- 1999 Verification Regulation of Cement Mortar Vibration Compaction Equipment

JJG (Building Materials) 125- 1999 Verification Regulation of Cement Mortar Abrasion Tester

JJG (Building Materials) 126- 1999 Verification Regulation of Cement Mortar Fluidity Tester

Verification regulation of JJG (Mongolia) 0 12-2008 cement mortar fluidity tester

JJG 9 18- 1996 Cement Mortar Vibrating Compaction Equipment

JT/T 757-2009 Cement Mortar Fluidity Tester

JT/T 758-2009 Cement Mortar and Concrete Wear Tester

SL 123- 1995 Testing method of cement mortar fluidity tester

SL 125- 1995 Test method for cement mortar

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