Some on the fire protection engineering issues of closure - fire blocking, fire prevention materials, fine carbon Albert - Fire Industry

1, spark, why disaster General, in addition to people who wish to sabotage

, arson and more, the majority of fires are from one to the sky, spreading disaster. Cause of the fire, diverse, the most common is old and damaged wiring, poor contact, etc., short circuit caused the fire; or circuit overload operation, improper use of such appliances, place hot fire; then there is the disposal of cigarettes or engineering smokers construction, life heating fire accidentally, causing a fire; there is a lot of accumulation of flammable, improper storage, oxidation or other chemical reaction, the release of heat occurs Spontaneous Combustion Fire. But why point the fire will spread rapidly disaster then? Mainly in these structures, the violation of laws and regulations of the relevant provisions of the fire to spread skewers fireworks left the channel.

Active and passive building fire with the two systems. Active fire alarm system includes monitoring systems, fire fighting system, rescue system, and escape; and passive fire protection system, fire resistance provided by a construction and decoration materials, building components and systems, fire separation system (such as wall, floor, etc. separate horizontal and vertical fire zone area) and building block system constitutes a fire. As the use of functions and building construction needs, building a large number of lines in the floor and the wall between the vertical and horizontal cross (such as air conditioning pipes, smoke pipes, down pipes, telecommunication and power lines and other process piping etc.), formed with openings throughout the structure of matter, or not yet set aside open space throughout the objects; the floor with the wall, between the wall and the wall, there are a variety of structural cracks. Fire is the sealing system of the so-called building the structure of these openings and cracks to prevent smoke spread skewers the full closure. If not the gap to fire through the openings and blocking treatment, in the event of fire, flames and smoke throughout the property will be through these openings and cracks spread, could spark development of a huge disaster personnel losses.

Active fire fighting system for the three systems and passive fire protection system in the first two systems (that have the required fire resistance of building and decoration materials, building components and systems and fire separation system), in terms of fire regulations and building design , construction specifications, acceptance criteria and even day to day supervision of maintenance are clear, strict and detailed requirements. People more emphasis and oversight is effective, invested more, perform better. But for the building fire sealing system, the weakening in these areas on a lot, mainly the following aspects:

(A) Although the state fire regulations and building codes, fire safety is also provided for sealing, but not comprehensive, the system is not clear. Therefore in the design, construction, inspection, supervision, maintenance and other links are difficult to implement effectively;

(B) is now commonly used sealing materials and sealing technology is relatively backward, the blocking effect and most are in standard mode authentication tests, but lower and more reliable operation or the equivalent of the actual condition inspection and certification, and the actual closure is often quite different works, it is difficult to ensure the sealing effect. And sealing material itself rarely consider the event of fire in peacetime and environmental performance, some Fire blocking material In the high temperature will produce smoke or toxic gases, results in secondary damage;

(C) fire protection product market confusion, the proliferation of fake and inferior products in the market. User or engineering contractor for the benefit of immediate use cheap fake and shoddy products, high quality and advanced products in the market is difficult to get the upper hand;

(4) Fire blocking is a systematic project. But now, its design, construction, inspection, monitoring and maintenance are dispersed in electricity, telecommunications, plumbing, ventilation systems and so on, the lack of uniform design and construction optimized, more lack of coordination and cooperation, once a part of a loophole , the entire fire protection system will fall short;

(E) scattered in the electricity, telecommunications, plumbing, ventilation systems in all fire blocking works in the system, regardless of size or the interests of efficiency investment is negligible. Even in the professional fire systems, fire systems and active compared to passive fire protection system input is very low.

Some on the fire protection engineering issues of closure - fire blocking, fire prevention materials, fine carbon Albert - Fire Industry

By: marry

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