Wind-gathering windproof sand retaining wall

Abstract

The invention provides a wind-gathering windproof sand retaining wall which comprises two stand columns which are arranged side by side. A wind gathering plate and a wind shield are arranged between the two stand columns, a gap is formed between the wind gathering plate and the wind shield, the tops of the stand columns, the top of the wind gathering plate and the top of the wind shield are flush with one another, and the position of the lower end face of the wind gathering plate is higher than that of the lower end face of the wind shield. According to the wind-gathering windproof sand retaining wall, sand prevention and wind prevention can be simultaneously and efficiently taken into account, and the defect that an existing windproof sand retaining device cannot simultaneously and efficiently take sand prevention and wind prevention into account; the airflow velocity at the top of the sand retaining wall can be decreased in virtue of the wind gathering gap of the wall, the quantity of sand grains passing over the wind-shield wall is decreased, and the sand prevention efficiency is improved; the wind-gathering windproof sand retaining wall is of an assembled structure and is rapid in installing speed, easy and convenient to construct and capable of achieving batch production.

Description

technical field [0001] The invention belongs to the technical field of engineering wind and sand protection, and relates to a wind and sand protection facility, in particular to a wind gathering type wind and sand protection wall. Background technique [0002] Wind erosion and wind accumulation are the basic manifestations of wind and sand activities in arid and semi-arid areas. They not only shape the surface morphology of desert areas, but also pose serious threats to people's production and life. For example, the sand carried by the wind reduces the visibility of the atmosphere, affects transportation, damages plants and wires, wears out buildings and machines, blows away organic matter on the soil surface, and reduces soil nutrients. Due to global warming and intensified human activities, more and more land has become bare land, which intensifies the process of desertification in arid and semi-arid regions. Land desertification and sandstorms are a major environmental p...

AI Technical Summary

Problems solved by technology

However, the above-mentioned projects can only be applied to areas where sand damage is greater than wind damage. In desert areas with strong winds (wind force can reach more than 60m / s), these measures are stretched, because compared with sand damage, strong winds have a greater impact on road transportation. influence more than

For example, a series of problems occurred during the wind and sand protection process of the Lanxin high-speed railway. In order to ensure that the train would not be blown over by the strong wind, a non-ventilated windshield wall was built on the shoulder of the road. Particles jump over the windshield and deposit on the line, which seriously threatens the safe operation of the train. If a ventilated windshield is used, although the sand prevention efficiency is greatly improved, the probability of the train being blown over by the strong wind increases sharply

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