Foreword

Introduction

1Scope

2Normative references

3Terms and definitions

4Requirements

4.1Specification, chemical and physical requirements

4.1.1Classes and grades

4.1.1.1General

4.1.1.2Class A

4.1.1.3Class B

4.1.1.4Class C

4.1.1.5Class D

4.1.1.6Class G

4.1.1.7Class H

4.1.2Chemical requirements

4.1.3Physical and performance requirements

4.2Sampling frequency, timing of tests, and equipment

4.2.1Sampling frequency

4.2.2Time from sampling to testing

4.2.3Specified equipment

4.2.4Calibration

5Sampling procedure

6Fineness tests

6.1Procedure

6.2Requirements

7Preparation of slurry for free-fluid, compressive strength and thickening-time tests

7.1Apparatus

7.1.1Scales

7.1.2Mass of reference weights

7.1.3Sieves

7.1.4Mixing devices

7.2Procedure

7.2.1Sieving

7.2.2Temperature of water and cement

7.2.3Mix water

7.2.4Mixing quantities

7.2.5Mixing cement and water

8Free-fluid test (formerly free water)

8.1Apparatus

8.1.1Consistometer

8.1.2Scales

8.1.3Test flask

8.2Calibration

8.2.1Temperature measuring system

8.2.2Slurry container rotational speed

8.2.3Timer

8.3Procedure

8.4Calculation of percent free fluid

8.5Acceptance requirements

9Compressive strength tests

9.1Apparatus

9.1.1Cube moulds and compressive strength-testing machine

9.1.2Cube mould base and cover plates

9.1.3Water curing bath

9.1.3.1General

9.1.3.2Atmospheric pressure curing bath

9.1.3.3Pressurized curing bath

9.1.4Cooling bath

9.1.5Temperature-measuring system

9.1.5.1General

9.1.5.2Thermometer

9.1.5.3Thermocouple

9.1.6Puddling rod

9.1.7Sealant

9.2Procedure

9.2.1Preparation of moulds

9.2.2Preparation and placement of slurry

9.2.2.1Slurry

9.2.2.2Placing slurry in moulds

9.2.2.3Pressure and temperature schedules

9.2.3Curing

9.2.3.1Curing periods

9.2.3.2Specimen cooling

9.2.3.3Specimen acceptance

9.3Test procedure (after ASTM C109/C109M)

9.4Compressive strength acceptance criteria

10Thickening-time tests

10.1Apparatus

10.2Calibration

10.2.1General

10.2.2Consistency

10.2.3Temperature-measuring system

10.2.4Motor speed

10.2.5Timer

10.2.6Pressure-measuring system

10.3Procedure

10.3.1Operating instructions

10.3.2Filling of slurry container

10.3.3Initiation of test

10.3.4Temperature and pressure control

10.4Thickening time and consistency

10.5Specification acceptance requirements

11Marking

12Packing

13Bentonite

Annex ACalibration procedures for thermocouples, temperature measuring systems, and controllers (informative)

A.1Calibration methods

A.2Thermocouple calibration

A.2.1Apparatus

A.2.1.1General

A.2.1.2Heating environment

A.2.1.3Temperature measurement

A.2.1.4Thermocouple voltage output

A.2.2Procedure

A.3Calibration of temperature measuring systems and controllers

A.3.1Apparatus

A.3.2Procedure

Bibliography