風化石制沙設備
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風化石打沙機、風化石破碎洗沙設備

風化沙是指花崗巖變質巖或片麻巖,這種巖石具有易細碎的優點和抗壓強度低的缺點,被廣泛用于建設二類用沙。這種巖石結構普遍具有泥土和云母含量高的形式存在,所以在細碎后必須通過水洗和云母分離機去除雜質后方可用于建設用沙。

Weathered sand is granite metamorphic rock or gneiss. This rock has the advantages of easy crushing and low compressive strength. It is widely used to build two kinds of sand. This rock structure generally exists in the form of high content of earth and mica, so after finely crushing, it must be washed by water and removed by impurities from mica separator, then it can be used for construction sand.

      隨著河沙資源的日益枯竭,環保整治力度的不斷加大,一些河流、水庫等沙場的不斷關閉,風化沙逐漸的代替了河沙。風化砂是地表巖層風化過程的中間產物,也是河沙的前期產物,其耐久性較一般河沙差,物理力學性質較不穩定。風化砂的特征是顆粒呈棱角狀,強度較弱,大小分布不均勻性較大,并含有一量的細土粒。

   With the increasing depletion of river sand resources and the continuous improvement of environmental protection efforts, some rivers, reservoirs and other sandworks have been closed, and weathered sand gradually replaced river sand. Weathered sand is an intermediate product of weathering process of surface rocks. It is also a prophase product of river sand. Its durability is worse than that of ordinary rivers and sand, and its physical and mechanical properties are unstable. The characteristic of the weathered sand is that the particles are angled, the strength is weak, the size distribution is not uniform, and a quantity of fine soil particles are contained.

風化沙多系花崗片麻巖和閃長片麻巖,這種強風化的片麻巖經爆挖松及轉運后,就變成松散的風化石渣或石沫。風化砂具有很強的抗水性,可以作為建設二類用砂。風化砂的固結也較快,可以作為良好的透水料或半透水料。

Weathered sand multi line granite gneiss and diorite gneiss, the weathered gneiss by blasting dig and transport, it becomes loose weathered stone slag or stone. Weathered sand has strong water resistance and can be used as the construction of two types of sand. The consolidation of weathered sand is also faster, and it can be used as a good pervious or semi permeable material.

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