在日益发达和畅通的交通道路上，事故也越来越多，道路交通护栏的作用就显得尤为重要。道路临边护栏的设计考虑了很多因素。这里我们主要解释三个要素。

On the increasingly developed and smooth traffic roads, there are more and more accidents, so the role of road traffic guardrails is particularly important. Many factors are taken into account in the design of roadside guardrails. Here we mainly explain three elements.

涂层性能设计：

Coating performance design:

道路护栏是永远不会下岗的“交警”。无论在何种恶劣环境下，市政交通护栏的表面外观都不应生锈、褪色、龟裂、粉化。维护，节省了频繁维护带来的财力和人力损失，避免了维护带来的不便、不和环境污染。因此，表达市政交通护栏的各种引导、分流、警示功能、颜色和涂层质量是非常重要的。不能用简单的浸渍工艺和单层粉末喷涂处理，更不用说油漆了。需要涂层性能。设计完成。

Road guardrails are "traffic policemen" who will never be laid off. No matter what kind of harsh environment, the surface appearance of the municipal traffic guardrail shall not rust, fade, crack or pulverize. Maintenance saves the financial and human losses caused by frequent maintenance, and avoids the inconvenience, insecurity and environmental pollution caused by maintenance. Therefore, it is very important to express various guidance, diversion, warning functions, colors and coating quality of municipal traffic guardrails. It can not be treated by simple impregnation process and single-layer powder spraying, let alone paint. Coating properties are required. Design completed.

结构设计：

Structural safety design:

为满足市政交通管理的需要，道路护栏需要采用组装技术进行设计、制造、表面涂装、生产和安装，以保证市政交通护栏的高强度和高要求。选用不同的钢材，合理。结构设计和部件设计适合不同的强度要求。

In order to meet the needs of municipal traffic management, road guardrails need to be designed, manufactured, surface coated, produced and installed with assembly technology to ensure the high strength and high safety requirements of municipal traffic guardrails. Different steels shall be selected reasonably. The structural design and component design are suitable for different safety strength requirements.

安装方式应采用方便、经济的组装方式，无需技术人员参与，以满足市政交通的特殊需要。当护栏意外损坏时，无需整体更换，只需用工具更换损坏的部分即可，这样市政和交通管理部门可以在安装和维护上节省大量的和人力。

The installation method shall be convenient and economical, without the participation of technicians, to meet the special needs of municipal transportation. When the guardrail is accidentally damaged, it does not need to be replaced as a whole, but only needs tools to replace the damaged part, so that the municipal and traffic management departments can save a lot of money and manpower in installation and maintenance.

色彩功能设计：

Color function design:

为满足行车和道路畅通的需要，在现行红、白、黄、绿、黑交通颜色的基础上，将绿色改为蓝色，形成红、蓝、白、黄五种基本颜色和黑色。设计和配置与方向、驾驶规则和警告相关的各种颜色组合，以丰富城市交通的语言。

In order to meet the needs of driving safety and smooth roads, based on the current traffic colors of red, white, yellow, green and black, green is changed to blue to form five basic colors of red, blue, white and yellow and black. Design and configure various color combinations related to directions, driving rules and warnings to enrich the language of urban traffic.

另外，在这种环境下，护栏的形式也更加多样化，所以护栏的设置应该更加，更多的考虑保护和引导行人的功能。可以看出，护栏的设置是根据不同城市道路环境的特点来确定的。需要研究城市的道路环境特征、道路的主要功能和交通行为，然后选择所需的护栏类型，确定道路护栏的具体位置，研究可能出现的出行需求道路，设计科学合理的城市道路临边护栏。

In addition, in this environment, the forms of guardrails are more diversified, so the setting of guardrails should be more comprehensive, and more consideration should be given to the functions of protecting and guiding pedestrians. It can be seen that the setting of guardrails is determined according to the characteristics of different urban road environments. It is necessary to study the urban road environmental characteristics, the main functions of the road and traffic behavior, then select the required guardrail type, determine the specific location of the road guardrail, study the possible travel demand roads, and design scientific and reasonable urban road edge guardrails.

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