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ISO 16933 EBOOK DOWNLOAD

1 Jul ISO (E). PDF disclaimer. This PDF file may contain embedded typefaces. In accordance with Adobe’s licensing policy, this file may. 21 Jun Purchase your copy of ISO as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available. In ISO and ISO more sophisticated hazard criteria were adopted. Finally, these standards allow a classification into hazard levels with.

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E Low hazard Iso 16933 glazing is observed to fracture, and glazing fragments or the whole iso 16933 the glazing fall between 1 m and 3 m behind the interior face of the specimen and not more than 0,5 m above the floor at 1693 vertical witness panel.

ESA has the copyright of all its publications. The resulting mean values from several tests were then averaged and rounded down to provide a realistic, achievable set of mean values to be applied as classification values to the centre of a test specimen.

The fragment severity is determined based upon the iso 16933, size, iso 16933 and location of fragments that lie at, or behind, the original location observed during post-test data gathering. You may experience issues viewing this site in Internet Explorer 9, 10 or Table 1 — Hazard-rating criteria for arena tests Hazard rating Hazard-rating description Definition A No break The glazing is observed not to fracture and there is no visible damage to iso 16933 glazing system.

Glazing dust and slivers, fragments smaller than the particles defined in 3. Photographs of the test specimens shall be taken before beginning removal of test iso 16933.

For undated references, the latest edition of the referenced 61933 including any amendments applies. The transducers shall be located such that the pressure and impulse in the centre iso 16933 each test specimen can iso 16933 computed.

The free-air equivalent mass of a particular explosive is the iso 16933 of the iso 16933 explosive TNT required to produce a selected shock-wave parameter of magnitude equal to that produced by a unit mass of the explosive in question.

The test frame shall be provided with clamping plates to hold each glazing in position and means for producing uniform clamping of the glazing.

Classification and ratings are assigned based on the performance of glazing loaded by air-blast pressures and impulses and are specific to the blast characteristics under which the test takes place.

ISO 16933:2007

Final text iso 16933 or FDIS registered for formal approval. Outer leaves from the attack face may be sacrificed and may fall or be projected out. Iso 16933 subscripts may be used for the blast parameters. If they are different, the calculation should weight the number of readings for each. Bolt spacing of not more than 1 00 mm is recommended around the perimeter of each glazing. Check out our FAQs. 19633 further information on assessing the blast relative to the size of the reaction structure, tests, criteria and effects on glazing, see Reference [8].

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Test iso 16933 classification for arena air-blast loading. Also, there are no more than three rateable perforations or indents anywhere in the witness panel, and any fragments on the floor between 1 m and 3 m from the interior face of ios specimen have a sum total united dimension iso 16933 mm or less.

Arena test classifications and effects are compared with those of the shock tube test classifications as in Reference [2]. The free-field pressure transducer shall be located at least 5 m or the iso 16933 of the reaction structure, whichever is greater, from any reaction structure and at the same horizontal distance from the high-explosive charge as the centre of the glazing.

Accept and continue Learn more about the cookies we iso 16933 and how to change your settings. At least one free-field pressure transducer shall be used in each test. Mean peak air-blast pressure and mean positive phase impulse values jso from recordings by the air-blast transducers mounted as defined in 6.

It is the responsibility of the test director to set up the test in order to impose the required blast values on iso 16933 surface of the test specimen within the tolerances as determined by the following steps on valid measurements. For dated references, only the edition cited applies. As an alternative, the pressure transducers may be installed iso 16933 a transducer panel of the same size as the test frame and located and oriented in the same manner with respect to the 169333 as the test frame.

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ISO – Estonian Centre for Standardisation

P-t curves at locations subject to blast clearing, on small targets or near the edges of targets, have a reduced impulse and do not follow the shape of an idealized Friedlander curve. Note that this can iso 16933 from the instantaneous peak value recorded by the gauges, sometimes in the form of a sharp spike of very short duration, which should be discarded. Each specimen shall be labelled in the post-test photographs to iso 16933 for their clear identification.

C Minimal hazard The glazing is observed to ios. Optionally, appropriate pressure transducers may also be located within the enclosure behind the glazing to measure the iso 16933 within the protected area during the blast. You may be interested in: For ieo close standoffs, the distance-to-blast measurement points becomes critical.

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The equivalent mass and the equivalence factor, k, of an explosive based on blast pressure, k por impulse, k v varies at different pressure levels.

It shall be determined and noted whether or not any breakage or rupture of the inside surface iso 16933 occurred. The high explosive shall then iso 16933 armed in a manner to maximize safety of personnel in the event of accidental discharge of the explosive during iso 16933 arming procedure. Classification and ratings are assigned based on the performance of glazing loaded by air-blast pressures and impulses, and iso 16933 specific to the blast characteristics under which the test takes place.

For example, classification code EXV25 C applies to a test in which iso 16933 standard iso 16933 having peak air-blast pressure of 80 kPa and positive phase impulse of kPa-ms resulted in damage to the glazing resulting in hazard rating C. This results in a sudden release of energy that causes the air to be highly compressed and driven at supersonic speeds, during which air molecules cannot respond as they would to a normal input of jso.

Measurements and records shall be ido of the bolts, screws or other devices used for fixing the test frame or other glazing support system to the reaction structure. The tests were iso 16933 during calibration in preparation of European Standards. iso 16933

Design based on knowledge of the air-blast resistance reduces the risk of personal injury. Fragments that shall be considered in rating iso 16933 glazing or glazing iso 16933 include those generated by the glazing and any other parts of the glazing system not considered iso 16933 be part of the test facility.

Life cycle A standard is reviewed every 5 years 00 Preliminary. In addition, the test report shall contain detailed photographs of each test specimen following the test as specified in 7.

iso 16933 Standard Number ISO NOTE The uso pressure can have a significant effect on the test results. Glazing that has received an air-blast classification and rating is suitable for use in blast-resistant applications only for blasts of comparable characteristics and only if installed in a properly designed frame.

This reference and charts show the test-classification blast values applicable to small-reaction structures iso 16933 to a grid of calculated values for large facades.