Assessing the slip resistance of city and leisure footwear
评估城市鞋和休闲鞋的防滑性
In the previous CTC study undertaken, we examined the test methods and changes that seek to assess the performance of PPE footwear (Personal Protective Equipment) in view of the risks posed by slipping. While slipping represents a serious risk in the world of work and forms part of the mandatory requirements placed on safety footwear, it is also important for day-to-day use and can be understood and assessed for city and leisure footwear.
在此前 CTC 的研究中，我们主要考察测试方法及其变化来评估 PPE 鞋类（个人防护装备）性能，以考虑滑倒带来的风险。滑倒在工作环境中是一种严重的风险，并且防滑性能是安全鞋强制性要求的一部分，但防滑性对于日常鞋类也同样重要，同样可以用来评估城市和休闲鞋类。
Drawing on its expertise in testing and PPE CE marking, CTC puts forward a test method that meets the expectations of those responsible for marketing city and leisure footwear.
基于我们在测试和个人防护设备CE 认证方面的专业知识，CTC 提出了一种测试方法，可满足城市和休闲鞋类用户的期望。
SLIPPING, A RISK TO BE MASTERED TO PREVENT FALLING
滑倒是一种需要控制的风险，以防止摔倒
Falling is caused by a slip that cannot be controlled by the person, who then loses his balance. Anybody who has to walk about is concerned by slipping. It is indissociable from locomotion as soon as two surfaces come into contact. Slipping is due to:
- a lack of grip between the sole and the ground ;
- environmental factors, such as uneven surfaces, moisture and the presence of slippery elements;
- human factors, specific to each person.
跌倒是由滑倒引起的，滑倒者无法控制身体，然后失去平衡。任何走动的人都可能会滑倒。因为一旦两个表面接触，它就与移动密不可分。滑倒的原因有：
- 鞋底和地面之间缺乏抓地力；
- 环境因素，例如不平整的表面、潮湿和打滑因素的存在；
- 人为因素，因人而异。
To prevent these risks, city and leisure footwear must provide a level of grip that meets the needs of users as closely as possible.
The sole - particularly the choice of sole material and the geometry of the sole’s tread - plays a vital role in ensuring grip.
To prevent a fall, a sole’s resistance to slipping has to be determined. The friction coefficient between interacting surfaces is an important factor for predicting slip resistance during walking.
为了防范此类风险，城市鞋和休闲鞋必须尽可能满足用户的抓地力需求。
鞋底，尤其是鞋底材料的选择和鞋底踏面的几何形状，在确保抓地力方面起着至关重要的作用。
为了防止摔倒，必须确定鞋底的防滑性。相互作用表面之间的摩擦系数是预测行走过程中防滑性的重要因素。
To prevent a fall, two conditions have to be met:
- restrict the initial slipping of the foot (static);
- limit the speed of slipping so as not to lose the balance (dynamic).
为了防止跌倒，必须满足两个条件：
- 限制脚的初始滑动状态（静态）；
- 限制滑动速度以免失去平衡（动态）。
AN ADAPTED RESPONSE – ASSESSMENT OF SLIPPING ACCORDING TO NF EN ISO 24267
快速响应 – 根据标准NF EN ISO 24267 评估滑动性能
CTC, drawing on its know-how, offers various laboratory tests to assess the slipping of city and leisure/sports footwear.
CTC 凭借专业的知识，提供各种实验室测试，以评估城市鞋和休闲/运动鞋的滑动性能。
In order to respond to this problem and ensure the safety of users, standard NF EN ISO 24267 (November 2020) determines a test method.
It applies to all types of footwear (casual, sports, high heels, sandals, etc.), outsoles, top pieces and sole material, except for PPE footwear and special purpose footwear containing spikes, me tal studs or similar elements.
为了应对这一问题并确保用户的安全，标准 NF EN ISO 24267（2020 年 11 月）确定了一种测试方法。
它适用于所有类型的鞋类（休闲鞋、运动鞋、高跟鞋、凉鞋等）、外底、鞋跟贴面和鞋底材料，但 PPE 鞋类和包含鞋钉、金属钉或类似元素的特殊用途鞋类除外。
To simulate user conditions, forward-moving tests on a flat surface and forward-moving heel tests are carried out on a wet ceramic floor.
In order to characterise a material prior to moulding, it is also possible to carry out forward-moving tests on a flat surface on plates of material.
为了模拟用户条件，我们将在平坦表面上进行前移测试，并在潮湿陶瓷地板上进行向前移动脚跟测试。
为了在成型之前确定材料的特性，也可以在材料板的平面上进行向前移动测试。
To respond to this problem and prevent these risks, a number of European brands and instructing parties have already decided to incorporate this standard and these tests into their product specifications.
为了应对防滑性问题并防止此类风险，一些欧洲品牌和指导方已经决定将该标准和这些测试纳入他们的产品要求明细中。
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