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基建工程中所用块毛石规格大都是20-40公分,运往工地时砌石率往往达不到定额,这是什么原因呢?主要是块石中间没有中、小石填孔的缘故.目前一般都把块石锤碎后进行填孔;还有按块毛石的比例数,另外采购中、小石填孔.这二种办法,无论在工时、运输、施工损耗及石头用料方面,都有很大的浪费.因此建议:在编造预算工程材料时,按石材规格的中、小比例数计算:如在20-40公分的块毛石中有4%5-10公分、5%10-15公分、10%15-20公分的中、小石.这样按比例计算的好处是:
Most of the specifications of the rubble used in infrastructure projects are 20-40 cm. The rate of masonry is often not up to a fixed value when shipped to the construction site. What are the reasons for this? The main reason is that there are no middle and small stone filling holes in the middle of the blocks. After the stone is hammered, it is filled with holes; there are also proportions of rubble, and the purchase of medium and small stones is used to fill holes. These two methods are very useful in terms of working hours, transportation, construction loss, and stone materials. This is a big waste. Therefore, it is recommended that when constructing the budgetary engineering materials, the proportions of the stone’s size should be taken into account: if there are 2-45-10 centimeters and 5-10-15 centimeters in 20-40 centimeters of rubble. , 10% 15-20 cm of medium and small stone. The benefits of this proportionality are: