Root thorn-resistant waterproof and drainage integrated device

A root thorn-resistant waterproof drainage integrated device relates to the technical field of drainage devices and comprises a first geotechnical cloth layer, a drainage layer, a second geotechnical cloth layer and a waterproof layer which are sequentially bonded with one another from top to bottom. The root thorn-resistant waterproof drainage integrated device has drainage and waterproof functions, is high in structural rigidity and long in service life, does not need to be additionally provided with a protective layer, is simple and convenient to construct, and does not cause environmental pollution; a traditional waterproof layer is replaced by the waterproof layer on the surface of the underground garage roof, so that the waterproof structure of the underground garage roof is more stable and effective. 一种耐根刺防水排水一体化装置，涉及排水装置技术领域，包括从上到下依次相互粘接的第一土工布层、排水层、第二土工布层及防水层。本新型一种耐根刺防水排水一体化装置兼具排水和防水的功能，且结构刚度高，使用寿命长，不需要额外设置防护层，施工简单方便，没有环境污染；通过在地下车库屋顶表面以本新型替代传统的防水层，可使地下车库屋顶的防水结构更稳定有效。