混凝土预制防护栅栏需在场地预制完成，可安部件分别预制，然后现场安装。2、高铁护栏可采用集中预制，加强预制产品的外观质量。3、采用的混凝土耐久指标应符合铁路混凝土结构耐久性设计暂行规定》，栏杆设计使用年限30年。4、高铁护栏所有的预埋件以及预留槽、孔的位置，尺寸必须准确无误，保证安装精度。
1. The prefabricated concrete protective fence shall be prefabricated at the site, and the installable parts shall be prefabricated separately and then installed on site. 2. Centralized prefabrication can be adopted for high-speed rail guardrail to enhance the appearance quality of prefabricated products. 3. The concrete durability index adopted shall conform to the temporary provisions for durability design of railway concrete structure, and the design service life of railings shall be 30 years. 4. The position and size of all embedded parts, reserved slots and holes of high-speed rail guardrail must be accurate to ensure the installation accuracy