Prefabricated concrete assembled guardrail
(10) CN115341463
(22) 25.08.2022
(43) 15.11.2022
(57) The prefabricated concrete assembled guardrail comprises a concrete layer, a keel layer and a fiber cotton layer from outside to inside, the keel layer comprises pipelines which are communicated with one another, reinforcing ribs are arranged on the walls of the pipelines, the pipelines are filled with shear thickening fluid STF, and a plurality of through holes are formed in the walls of the pipelines; the pipeline is provided with a connecting pipe at the bottom of the concrete layer, and the connecting pipe is used for connecting a guardrail mounting foundation; the fiber cotton layer is filled between the dragon plating layer and the concrete coating, and fiber gaps of fiber cotton are filled with shear thickening fluid STF; a shear thickening liquid STF outlet is formed in the top of the concrete layer, and a shear thickening liquid STF inlet is formed in the bottom of the concrete layer. The anti-collision guardrail has the beneficial effects that when the guardrail is subjected to external force such as vehicle collision, the counter-acting force on a vehicle during collision can be reduced by absorbing the external force, the vehicle damage is reduced, the safety of passengers is protected, and meanwhile, the accident ...
(71) Rizhao Municipal Fabricated City Facilities Co., Ltd., CN
