BS EN 14692-2017 pdf free download.Flexible sheets for waterproofing — Waterproofing of concrete bridge decks and other concrete surfaces trafficable by vehicles — Determination of the resistance to compaction of an asphalt layer
4.2 Apparatus and materials
4.2.1 Compaction equipment, as referred to in EN 13375.
4.2.2 Standard equipment and materials, such as, site gas torch, brush, etc.
4.2.3 Oven, with circulating air (without fresh supply), capable of maintaining (100 ± 5) °C
4.3 Preparation of test specimens
4.3.1 General
Take samples and test pieces in accordance with EN 13416.
4.3.2 Test specimen with sheet bonded to the base specimen (Method 1)
The test specimen is prepared in accordance with EN 13375.
The size of the test specimen is 600 mm × 400 mm.
4.3.3 Test specimen with sheet not bonded to the base specimen (Method 2)
Place a de-bonding interface between the base specimen and the waterproofing sheet, and on the upper surface of the waterproofing to prevent the asphalt layer adhering to it.
For the interface between the base specimen and the waterproofing sheet, use one non-woven glass fibre sheet of (70 ± 5) g/m 2 .
For the interface between the waterproofing sheet and the asphalt layer mix, use two non-woven glass fibre sheets of (70 ± 5) g/m 2 .
The size of the test specimen is 600 mm × 400 mm [400 mm × 400 mm, resp. 500 mm × 500 mm].
4.3.4 Asphalt layer, compaction and test specimens
4.3.4.1 General
Lay and compact the asphalt layer mix in accordance with EN 13375.
4.3.4.2 Test specimen with sheet bonded to the base specimen (Method 1)
In the case of the sheet bonded to the base specimen, obtain four equal parts by wet sawing the test specimen, prepared as described in 4.3.1 and 4.3.2.
4.3.4.3 Test specimen with sheet not bonded to the base specimen (Method 2)
In the case of test specimens with de-bonding interfaces, let the asphalt layer cool and remove the sheet for visual inspection and testing.
4.4 Procedure
4.4.1 Test specimen with sheet bonded to the base specimen (Method 1)
4.4.1.1 Inspect visually the cross-section of the parts of the test specimen to check the sheet/asphalt layer interface, and whether any binder from the sheet is bleeding into the asphalt layer.
4.4.1.2 Heat two parts of the test specimen in an oven at (100 ± 5) °C for (120 ± 5) min.
4.4.1.3 Separate the sheet manually from the base specimen and asphalt layer, taking care not to destroy the asphalt layer so that its interface surface can be examined
4.4.1.4 Check the condition of the sheet that was removed from the part of the test specimen, and hold up to the light to detect any perforations due to compacting of the asphalt layer.
4.4.1.5 For bitumen sheets remove the binder from the reinforcement by extraction (for example with toluene as solvent).
4.4.1.6 Dry the reinforcement in an oven at (100 ± 5) °C for 30 min approximately, and hold up to the light to detect any perforations.
4.4.1.7 In case of perforations, test on the two remaining parts of the test specimen (see 4.4.1.2) the waterproofing complex (bitumen sheet and asphalt layer) for watertightness according to the testmethod described in Annex A.
4.4.2 Test specimen with sheet not bonded to the base specimen (Method 2)
Separate the waterproofing sheet, and visually inspect its condition. If the visual inspection reveals perforations in the waterproofing sheet, the watertightness test need not be performed. If the visualinspection reveals no perforations, test the waterproofing sheet for watertightness according to EN 1928, Method B with a pressure of 100 kPa for 24 h.
4.5 Expression of results
4.5.1 Visual inspection test
For Method 1: Report any perforation after the operations of 4.4.1. In case of no perforations, express the resistance to compaction of an asphalt layer as “resistant”.
For Method 2: Report any perforation after the operations of 4.4.2. In case of perforations, express the resistance to compaction of an asphalt layer as “not resistant”.
4.5.2 Watertightness test
For Method 1: In case of perforations detected according to 4.4.1, express the resistance to compaction of an asphalt layer as “resistant” if no leak is detected when tested according to Annex A.
For Method 2: Express the resistance to compaction as “resistant” if the waterproofing sheet does not leak when tested according to the method given in 4.4.2.
4.5.3 Precision of the test method
No precision data are currently available.
4.6 Test report
The test report shall include at least the following information:
a) all details necessary to identify the product tested and identification of the whole waterproofing system including asphalt layer and application temperature, type and quantity of the primer;
b) a reference to this document and any deviation from it;
c) information on preparation of test specimens in accordance with 4.3 and EN 13375, and prepared by and witnessed by which organization;
d) the dates of delivery of sample and preparation of test specimens;
e) information about the chosen procedure in accordance with 4.1 (Method 1 or Method 2);
f) the test result and failure mode for each individual test as indicated in 4.5;
g) the date of tests.BS EN 14692 pdf download.