Guiding and draining side ditch made from building blocks and parameter determination method thereof
A block and ecological technology, applied in the field of ecological block diversion and drainage side ditch and its parameter determination, can solve the problems of unstorage, easy to embed blockage, and no emergency prevention function of dangerous goods leakage.
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Embodiment 1
[0046]The drainage ditch proposed by the present invention uses an impermeable cement board as the bottom of the ditch, so that in arid and semi-arid areas, the infiltration loss of rainwater runoff and the loss along the ditch can be prevented, water saving can be achieved, and road surface runoff pollutants can be maximized. The ground is controlled within the range of the road area to prevent interference with the surrounding environmental ecological system; the ditch wall is composed of ladder-shaped filled vegetation ecological blocks, which have better ecological performance than traditional side ditches, and can pass through the vegetation on the ditch wall. The growth realizes the shielding and blanking treatment of the overall side ditch; water-retaining bricks are arranged at a certain distance along the bottom of the ditch as water-retaining weirs, and these water-retaining weirs can block some small and medium rainfall, thereby supplementing the growth of ditch wall ...
Embodiment 2
[0125] A road is located in a semi-arid area. Due to early construction, the impact of road runoff on river water quality and the possible leakage risk in the transportation of dangerous goods on the road were not considered at that time. The road runoff is directly discharged into sensitive water bodies. Water quality safety brings huge hidden dangers. Once an accident such as leakage of dangerous goods occurs, the consequences will be unimaginable.
[0126] Originally designed subgrade side ditch, ditch bottom width b1=0.6m, side slope ratio 1:1, h1=0.6m.
[0127] Reconstruction has been carried out in recent years. The side ditch of the subgrade section has been rebuilt and street trees have been planted beside the subgrade. The scheme adopted is as follows:
[0128] Use impermeable cement boards as the bottom of the ditch, and the ecological blocks stacked in a ladder form form the ditch wall. Amorpha fruticosa is planted in the ecological blocks on the shrinking platform,...
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