{"id":219307,"date":"2024-10-19T14:13:44","date_gmt":"2024-10-19T14:13:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-772-222018\/"},"modified":"2024-10-25T07:33:19","modified_gmt":"2024-10-25T07:33:19","slug":"bs-en-772-222018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-772-222018\/","title":{"rendered":"BS EN 772-22:2018"},"content":{"rendered":"
This document specifies a method for determining the freeze\/thaw resistance of clay masonry units in one of two categories F1 or F2.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 6 Materials 7 Preparation of specimens 7.1 Sampling 7.2 Water absorption 7.3 Conditioning and preparation of specimens <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 8 Construction of a test panel 8.1 General <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8.2 Conditioning of a test panel 8.2.1 General 8.2.2 Partial saturation by cold water immersion 8.2.3 Partial saturation by immersion in water at 80\u00b0C 9 Procedure of freezing and thawing 9.1 General 9.2 Freeze\/thaw cycling 9.2.1 General <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 9.2.2 Freezing period 9.2.3 Thawing period 9.2.4 Reconditioning after an interruption 9.3 Examination of test panel and units 10 Evaluation of results 10.1 Assessment of damage <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 10.2 Assessment of freeze\/thaw resistance <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 11 Test report <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Annex A (informative)Heat flow meter <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Annex B (normative)Calibration \u2014 Measurement of rate of spray water <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Annex C (normative)Calibration \u2014 Measurement of heat transfer rate <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Methods of test for masonry units – Determination of freeze\/thaw resistance of clay masonry units<\/b><\/p>\n |