"Crazy" sand -- one of the market surveys of sandstone
Thin sand, at the moment, let the infrastructure industry from top to bottom feel unprecedented frustration. Building walls, laying floors, mixing concrete, building roads and building bridges are all inseparable from sand. Since last year, the price of sand has started to rise, and this year it has gone up faster. Since the beginning of this year, many capital construction projects have been strained by funds, which is even worse. What's wrong with the little sand? A building costs more than 2 million yuan in August. The hot sun bake the earth. Sun Long also encountered another kind of baking. On the two stage of the East Lake hi tech Zone, the project manager Sun Long received another business mix.
Beijing housing construction commission: most of the projects are in accordance with the provisions of the use of bulk ready mixed mortar.
Recently, the Beijing Municipal Commission of housing and urban rural development issued a notice on the special inspection of the application of bulk premixed mortar in construction works of the city in 2018, and the illegal and illegal behaviors of individual construction projects. In accordance with the requirements of the Beijing municipal housing and Urban Rural Development Committee on the special inspection of building materials management in 2018 (Beijing Construction hair  No. 300), the Beijing urban housing and Urban Construction Commission jointly carried out two special policies on the implementation of the Beijing municipal construction site prohibition of on-site mixing mortar and the application of bulk premix mortar.
Technical specification for manufactured sand high performance concrete will be implemented from April 1st.
Recently, a good news came from the China Construction Standardization Association. The highway technical sand high performance concrete technical specification (T/CECS:K50-30-2018), which was compiled by the Guizhou highway group, was issued and implemented in April 1, 2019, thereby promoting and standardizing the application of the machine-made sand high-performance concrete in highway engineering, and ensuring that the machine-made sand high-performance concrete meets the requirements of excellent quality and technology. It is advanced, safe, durable and economical and reasonable. It is understood that according to the relevant requirements of the China Construction Standardization Association and the relevant standard management regulations, the compilation units including the highway group are passing through.
The Yangtze River has adopted a heavy policy to control sand, and the price of sand and gravel has risen again.
Recently, the Yangtze River Committee inspected and supervised the "illegal sand mining special rectification action" and the "unified Qingjiang operation" of the 8 main provinces along the Yangtze River and the key sections of the inter provincial boundary. The Yangtze River shipping Public Security Bureau has launched a special action to crack down on illegal sand mining illegal activities in the Yangtze River Valley. To ensure that the Yangtze River illegal sand mining special rectification action has achieved tangible results, the Yangtze River Commission has issued the notice of the Yangtze River Water Conservancy Commission on organizing the operation of the Yangtze River mainstream sand mining and unified Qingjiang operation. This inspector: first, it is to supervise and inspect the sand mining management in the main stream of the Yangtze River and unify the Qingjiang action organization; two.