在日益發達和暢通的交通道路上，事故也越來越多，道路交通護欄的作用就顯得尤為重要。道路臨邊護欄的設計考慮了很多因素。這里我們主要解釋三個要素。

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.

涂層性能設計：

Coating performance design:

道路護欄是永遠不會下崗的“交警”。無論在何種惡劣環境下，市政交通護欄的表面外觀都不應生銹、褪色、龜裂、粉化。維護，節省了頻繁維護帶來的財力和人力損失，避免了維護帶來的不便、不和環境污染。因此，表達市政交通護欄的各種引導、分流、警示功能、顏色和涂層質量是非常重要的。不能用簡單的浸漬工藝和單層粉末噴涂處理，更不用說油漆了。需要涂層性能。設計完成。

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.

結構設計：

Structural safety design:

為滿足市政交通管理的需要，道路護欄需要采用組裝技術進行設計、制造、表面涂裝、生產和安裝，以保證市政交通護欄的高強度和高要求。選用不同的鋼材，合理。結構設計和部件設計適合不同的強度要求。

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.

安裝方式應采用方便、經濟的組裝方式，無需技術人員參與，以滿足市政交通的特殊需要。當護欄意外損壞時，無需整體更換，只需用工具更換損壞的部分即可，這樣市政和交通管理部門可以在安裝和維護上節省大量的和人力。

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.

色彩功能設計：

Color function design:

為滿足行車和道路暢通的需要，在現行紅、白、黃、綠、黑交通顏色的基礎上，將綠色改為藍色，形成紅、藍、白、黃五種基本顏色和黑色。設計和配置與方向、駕駛規則和警告相關的各種顏色組合，以豐富城市交通的語言。

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，在這種環境下，護欄的形式也更加多樣化，所以護欄的設置應該更加，更多的考慮保護和引導行人的功能。可以看出，護欄的設置是根據不同城市道路環境的特點來確定的。需要研究城市的道路環境特征、道路的主要功能和交通行為，然后選擇所需的護欄類型，確定道路護欄的具體位置，研究可能出現的出行需求道路，設計科學合理的城市道路臨邊護欄。

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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