{"id":379711,"date":"2024-10-20T03:03:40","date_gmt":"2024-10-20T03:03:40","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-12504-42021\/"},"modified":"2024-10-26T05:30:38","modified_gmt":"2024-10-26T05:30:38","slug":"bs-en-12504-42021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-12504-42021\/","title":{"rendered":"BS EN 12504-4:2021"},"content":{"rendered":"
This document specifies a method for the determination of the velocity of propagation of pulses of ultrasonic longitudinal waves or ultrasonic transverse waves in hardened concrete, which is used for a number of applications.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus 5.1 General <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 5.2 Performance requirements 5.3 Transducers 6 Procedures 6.1 Determination of pulse velocity 6.1.1 Factors influencing pulse velocity determination 6.1.2 Transducer arrangement <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 6.1.3 Path length measurement <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 6.1.4 Coupling the transducers onto the concrete 6.1.5 Measurement of transit time 7 Expression of result <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 8 Test report 9 Precision <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Annex A (informative) Determination of pulse velocity \u2014 indirect transmission <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Annex B (informative) Factors influencing pulse velocity determination <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Annex C (informative) Correlation of pulse velocity and compressive strength <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Testing concrete in structures – Determination of ultrasonic pulse velocity<\/b><\/p>\n |