ASTM C807-03a

Standard Test Method for Time of Setting of Hydraulic Cement Mortar by Modified Vicat Needle

SCOPE
1.1 This test method covers the determination of the time of setting of hydraulic cement mortar by means of the modified Vicat needle.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. The use of gloves, protective clothing, and eye protection is recommended. Wash contact area with copious amounts of water after contact. Wash eyes for a minimum of 15 min. Avoid exposure of the body to clothing saturated with the liquid phase of the unhardened material. Remove contaminated clothing immediately after exposure.)

General Information

• Status: Historical
• Publication Date: 31-Oct-2003
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C01 - Cement
• Drafting Committee: C01.30 - Time of Set

Relations

• Replaces: ASTM C807-03 - Standard Test Method for Time of Setting of Hydraulic Cement Mortar by Modified Vicat Needle
• Effective Date: 01-Nov-2003
• Replaced By: ASTM C807-05 - Standard Test Method for Time of Setting of Hydraulic Cement Mortar by Modified Vicat Needle
• Effective Date: 01-May-2005
• Referred By: ASTM C845/C845M-18 - Standard Specification for Expansive Hydraulic Cement
• Effective Date: 01-Nov-2003
• Referred By: ASTM C183/C183M-23 - Standard Practice for Sampling and the Amount of Testing of Hydraulic Cement
• Effective Date: 01-Nov-2003
• Referred By: ASTM C827/C827M-23 - Standard Test Method for Change in Height at Early Ages of Cylindrical Specimens of Cementitious Mixtures
• Effective Date: 01-Nov-2003

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 807 – 03a
Standard Test Method for
Time of Setting of Hydraulic Cement Mortar by Modified
1
Vicat Needle
This standard is issued under the fixed designation C 807; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope Pastes and Mortars of Plastic Consistency
C 511 Specification for Moist Cabinets, Moist Rooms, and
1.1 This test method covers the determination of the time of
Water Storage Tanks Used in the Testing of Hydraulic
setting of hydraulic cement mortar by means of the modified
Cements and Concretes
Vicat needle.
C 670 Practice for Preparing Precision and Bias Statements
1.2 The values stated in SI units are to be regarded as
for Test Methods for Construction Materials
standard. The values given in parentheses are for information
C 778 Specification for Standard Sand
only.
C 845 Specification for Expansive Hydraulic Cement
1.3 This standard does not purport to address all of the
C 1005 Specification for Reference Masses and Devices for
safety concerns, if any, associated with its use. It is the
Determining Mass and Volume for Use in the Physical
responsibility of the user of this standard to establish appro-
Testing of Hydraulic Cements
priate safety and health practices and determine the applica-
D 1193 Specification for Reagent Water
bility of regulatory limitations prior to use. (Warning—Fresh
hydraulic cementitious mixtures are caustic and may cause
3. Terminology
chemical burns to skin and tissue upon prolonged exposure.
3.1 Terms used in this standard are defined in Terminology
The use of gloves, protective clothing, and eye protection is
C 219.
recommended. Wash contact area with copious amounts of
wateraftercontact.Washeyesforaminimumof15min.Avoid
4. Summary of Test Method
exposureofthebodytoclothingsaturatedwiththeliquidphase
4.1 Amortar is prepared with the cement to be tested, using
of the unhardened material. Remove contaminated clothing
stipulated quantities of cement and water, and sufficient stan-
immediately after exposure.)
dard sand to produce a required consistency as determined by
2. Referenced Documents a stipulated penetration using the plunger of the modifiedVicat
2 apparatus. Mortar of the proper consistency is then tested for
2.1 ASTM Standards:
time of setting, using the needle of the modified Vicat
C 109/C 109M Test Method for Compressive Strength of
apparatus for the determination of a stipulated penetration.The
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube
time required to obtain the stipulated penetration of the
Specimens)
modified Vicat needle is the time of setting.
C 183 Practice for Sampling and the Amount of Testing of
Hydraulic Cement
5. Significance and Use
C 187 Test Method for Normal Consistency of Hydraulic
5.1 The purpose of this test method is to establish whether
Cement
or not a cement complies with a specification limit on time of
C 219 Terminology Relating to Hydraulic Cement
setting. It has been found to be particularly applicable for the
C 305 PracticeforMechanicalMixingofHydraulicCement
determination of the setting time of expansive cements (see
Specification C 845).
1
This test method is under the jurisdiction ofASTM Committee C01 on Cement
6. Apparatus
and is the direct responsibility of Subcommittee C01.30 on Time of Set.
6.1 Tamper and Trowel, conforming to the requirements of
Current edition approved Nov. 1, 2003. Published December 2003. Originally
approved in 1975. Last previous edition approved in 2003 as C 807 – 03.
Test Method C 109.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.2 VicatApparatus, conforming to the requirements ofTest
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Method C 187, with the following modifications:
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 807 – 03a
6.2.1 For consistency determination, the plunger end of the center of the specimen with the longitudinal axis of the tamper
movable rod shall be 17.5 6 0.5 mm in diameter instead of 10 at the center of the mold and rotate the tamper 45° between
mm, and the total mass of the movable rod (including the each stroke. Then fill the mold to overflowing with mortar and
17.5-mm plunger) shall be 400 6 0.5 g. puddle as specified for the first layer. Cut off the mortar to a
6.2.2 For time of setting determination, a 2 6 0.05-mm
plane surface flush with the top of the mold in tw
...