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如何让交通护栏的更能长久的使用?

交通护栏如果想使用长久必须从表面处理及其喷塑工艺进行处理

(If traffic barriers are to be used for a long time, they must be treated by surface treatment and spraying process.)


(1)目前交通护栏产品的防护主要分为四类:镀锌、镀铝、镀锌(铝)后静电喷塑、镀锌(铝)后热浸塑。在污染不严重的地区,可采用单独热镀锌层防护或单独的静电喷塑防护,而在沿海城市或重工业区,特别是有酸雨的地区,普通热镀锌或静电喷塑单涂层护栏板通常未达到使用年限就可能失去效用,造成护栏板维护成本大大增加。热镀铝护栏,其耐蚀性虽然比普通热镀锌护栏好,但从其工艺、技术以及对环境影响等各方面进行成本比较,是远远高于对护栏进行热镀锌处理的成本的,因此不应推广使用。而单独对护栏进行热镀锌(铝)进行单层防护,其使用年限、适用的环境及外观的装饰性是远远不能与热镀锌(铝)后+静电喷塑(热浸塑)的双层防护的护栏相比较的。对护栏进行热镀锌(铝)+浸塑处理,其塑层比热镀锌(铝)+静电喷塑塑层厚将近2倍,耐腐蚀效果虽然比热镀锌(铝)+静电喷塑处理好,其正常的使用寿命却没比后者有明显的延长,而其材料和工艺成本却比后者高出20%以上。采用热镀铝+静电喷塑处理的护栏防护体系与采用热镀锌+静电喷塑的护栏防护体系相比较也是一种不经济的方法。采用热镀锌+静电喷塑的护栏防护体系,由于可在全国大部分地区特别是重污染或有酸雨地区达到很好的防腐效果,护栏的使用年限又大大延长,可达到25年以上,因此是目前最经济的防护方法。

(At present, the protection of traffic barrier products can be divided into four categories: galvanized, aluminum-plated, electrostatic spraying after galvanizing (aluminum), hot dipping after galvanizing (aluminum)。 In areas where pollution is not serious, separate hot-dip galvanizing or electrostatic spraying can be used。 In coastal cities or heavy industrial areas, especially in areas with acid rain, ordinary hot-dip galvanizing or electrostatic spraying single-coated guardrail plates may lose effectiveness if they do not reach service life, resulting in a significant increase in guardrail maintenance costs。 Add。 Although the corrosion resistance of hot-dip galvanized guardrail is better than that of ordinary hot-dip galvanized guardrail, the cost comparison of its process, technology and environmental impact is much higher than that of hot-dip galvanized guardrail, so it should not be popularized。 The single-layer protection of hot-dip galvanized (aluminum) barrier is far from being compared with the double-layer protection of hot-dip galvanized (aluminum) and electrostatic spraying (hot-dip plastic)。 Hot-dip galvanizing (aluminum) + dipping treatment on guardrail, the plastic layer than hot-dip galvanizing (aluminum) + electrostatic spraying plastic layer thickness nearly two times, corrosion resistance than hot-dip galvanizing (aluminum) + electrostatic spraying plastic treatment, although better than hot-dip galvanizing (aluminum) + electrostatic spraying treatment, its normal service life is not significantly longer than the latter, and its material and process costs are higher than the latter by more than 20%。 It is also an inexpensive method to compare the barrier protection system of hot-dip aluminum + electrostatic spraying with that of hot-dip galvanizing + electrostatic spraying。 Hot-dip galvanizing + electrostatic spraying protective fence system can be used in most parts of the country, especially in heavy pollution or acid rain areas to achieve good anti-corrosion effect, the service life of the fence is greatly extended, can reach more than 25 years, so it is the most economical protection method at present。)

(2)目前在所有对护栏进行双防护体系的处理工艺中,静电喷塑工艺与热浸塑工艺相比,因其成本低、工艺简单,已逐步得到推广。

(mù qián zài suǒ yǒu duì hù lán jìn háng shuāng fáng hù tǐ xì de chù lǐ gōng yì zhōng ,jìng diàn pēn sù gōng yì yǔ rè jìn sù gōng yì xiàng bǐ ,yīn qí chéng běn dī 、gōng yì jiǎn dān ,yǐ zhú bù dé dào tuī guǎng 。)