Drainage structure of intercepting ditch and drainage hole of road slope protection

The invention relates to the technical field of road engineering, in particular to a road slope protection intercepting ditch and drainage hole drainage structure which comprises an intercepting ditch formed in a slope protection, a drainage hole formed in a side slope and a drainage pipe installed in the drainage hole. The filtering device comprises a filtering box installed in the intercepting ditch and a filtering plate arranged in the filtering box, a water inlet allowing rainwater to enter is formed in the top of the filtering box, and a water outlet allowing the rainwater in the filtering box to enter the drainage pipe is formed in the bottom of the filtering box. The drainage device has the effect that the rainwater drainage efficiency of the water drainage pipe can be improved. 本申请涉及道路工程的技术领域，尤其是涉及一种道路护坡截水沟与泄水孔的排水结构，包括开设在护坡上的截水沟、开设在边坡内的泄水孔和安装在泄水孔内的泄水管，所述截水沟内设置有过滤装置，所述过滤装置包括安装于截水沟内的过滤箱和设置于过滤箱内的过滤板，所述过滤箱的顶部开设有供雨水进入的进水口，所述过滤箱的底部开设有供过滤箱内的雨水进入泄水管内的排水口。本申请具有能够提升泄水管对雨水的排送效率的效果。