BS 13880-7:2019 pdf download – Hot applied joint sealants Part 7: Function testing of joint sealants This document describes a function test for hot‑applied joint sealants intended to be used in areas where the joints are subjected to combined conditions of temperature ≤ – 20 °C and crack joint movement ≤ 35 % in construction joints as well as in spontaneously formed cracks in road and airfield pavements. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13880‑6, Hot applied joint sealants — Part 6: Method for the preperation of samples for testing EN 13880‑11, Hot applied joint sealants — Part 11: Test method for the preparation of asphalt test blocks used in the function test and for the determination of compatibility with asphalt pavements EN 13880‑12, Hot applied joint sealants — Part 12: Test method for the manufacture of concrete test blocks for bond testing (recipe methods) EN 14188‑1, Joint fillers and sealants — Part 1: Specifications for hot applied sealants ISO 5893, Rubber and plastics test equipment — Tensile, flexural and compression types (constant rate of traverse) — Specification 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 14188‑1 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — IEC Electropedia: available at http://www.electropedia.org/ — ISO Online browsing platform: available at http://www.iso.org/obp 3.1 adhesion failures part of the surface area of the test blocks from which the hot applied joint sealant has completely separated 3.2 cohesion failures cracks in the superficial areas on the faces of the hot applied joint sealant 4 Principle This method is intended to serve as an accelerated test for the assessment of damage to hot applied sealants resulting from fluctuating temperatures, water-spraying and simultaneous dynamic loads. 5 Apparatus 5.1 Tensile test rig, which allows the test specimens to be inserted into holding clamps, conveniently and without disturbing the test specimens before, during or after removal. The test rig shall be capable of testing one specimen or a number of test specimens simultaneously and shall not be significantly affected by the failure of one or...
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