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上海透水混凝土
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Three important conservation suggestions for permeable concrete in Shanghai

Article Source: Click: 】 Post time: 2019-02-28 [ Large Middle Small ]

At present, permeable concrete pavement has become an ecological, indispensable road paving material in environmental protection projects, and is increasingly favored by planning and construction departments such as gardens, community construction, and municipal engineering. Many relevant production and construction units have actively invested in ecological permeable pavement. At the same time as the construction project, some technologies and corresponding post-guarantee work in the construction and application process of this new type of permeable concrete often expose serious problems.


Three important conservation suggestions for permeable concrete in Shanghai


Permeable concrete is a derivative of concrete materials. In this sense, we first follow the characteristics of concrete materials and respect the conservation laws of concrete products.


Permeable concrete is a derivative of concrete products, but it is not equivalent to ordinary concrete. Permeable concrete is designed to meet the requirements of pervious parameters after molding. Strictly control the water consumption in the mixing process. It belongs to semi-dry concrete. Therefore, pervious concrete The maintenance work is even more important, and the construction unit should carry out the maintenance carefully.

上海透水混凝土的三大重要养护建议

We found that many failed projects were not caused by technical problems, but serious quality problems occurred because the permeable concrete was not well maintained after paving was completed. Shanghai exposed aggregate permeable concrete such as large-scale aggregate threshing, The bottom and surface layers are separated from the hollow drum and cracked.


Permeable concrete is a derivative of concrete products, but it is not equivalent to ordinary concrete. Permeable concrete is designed to meet the requirements of pervious parameters after molding. Strictly control the water consumption in the mixing process. It belongs to semi-dry concrete. Therefore, pervious concrete The maintenance work is even more important, and the construction unit should carry out the maintenance carefully.


Theoretically, the time for spraying the protective agent on the permeable concrete pavement should be sprayed after the permeable concrete has a certain structural strength. However, in actual construction of the sea-colored concrete , we found that the protective agent can be cured after the concrete is fully alkali-extended. If spraying is performed during the process, if the permeable concrete is continuously cured for 3d-5d, after the water has evaporated, the weather can be sprayed at a temperature of 15-30 ° C. After the protective agent has completely solidified, continue to spray.


Keywords: Shanghai Three Permeable Concrete Recommendations , Shanghai Permeable Concrete , Shanghai Permeable Concrete Recommendations

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