本文介绍该采矿法的回采方法与碎石混凝土充填工艺，并对其技术经济指标作简要分析。
In the paper, the mining technology of cemented fill stoping and backfill technology with rubble and concrete are presented, and their technical and economical indexes are briefly analyzed.
本文全面地介绍了碎石混凝土抛掷充填工艺，并阐述了PC - 1型抛掷机的结构、性能和工作原理。
This paper fully describes the filling process and introduces the structure, performances and operation principle of ModeI PC-1 thrower.
笔者通过分别配制卵石混凝土和碎石混凝土进行对比，指出卵石因粒形比碎石好，卵石混凝土的性能优于碎石混凝土；
The results show that the above strengths of steel fiber reinforced concretes are obviously superior to those of plain concrete;
在都江堰，一台大型挖掘机从一大堆碎石中铲出混凝土板和扭曲的金属杆。
In Dujiangyan, a large mechanical digger scoops slabs of concrete and twisted metal rods from a massive pile of rubble.
这些材料将与月球土壤和碎石混合制成混凝土。
These materials will be mixed with lunar soil and gravel to make concrete.
稍大一些的建筑物的窗户被震得粉碎，瓦房屋顶也崩塌到地面，而旧的混凝土砖墙也成了碎石。
The Windows of larger buildings were smashed and the tile roofs of houses had crumbled to the ground, while old concrete-block walls were reduced to rubble.
混凝土这个词也来自拉丁语，但它的意思不是碎石或者灰尘，这个词的原型有“长合，混合”的意思。
Concrete is also from Latin but instead of meaning stone chips or dust, the parent word for concrete holds a meaning of growing together.
另外，挖掘出来的土方则用于制造建筑所需的混凝土和碎石路面。
The excavated earth was used to make the concrete and also as an ingredient of the gravel surfacing.
对该地基采用了强夯加固、在强夯地基上打桩、振动碎石桩和混凝土灌注桩多种地基处理方法。
The method includes the forced ram, piles driving on the ramed ground, vibrating crushed stones piles and injecting concrete piles etc.
彩色混凝土路面砖是利用彩色HEC固化剂(C -HEC)和专用生产设备处理风化砂、碎石屑制作新型装饰路面砖。
Color concrete brick is a novel decorative brick, which is made by dealed efflorescent sand and ground. stone with color HEC consolation (C-HEC) and special producer equipment.
提供有关混凝土路面压实设备和块石碎石路面压实设备的专家级技术资料，用户服务手册和录像资料，等等。
Specialist technical documentation on concrete and soil compaction, laying of paving stones and interlocking block paving, service manuals and videos, etc.
分析了碎石的质量特性及其与混凝土强度等级、性能之间的制约关系。
We analyse the restricted relations between speciality of crushed stones and the degree of intensity as well as quality of concrete in this essay.
辉绿岩多为层状解理，决定了轧制或破碎的碎石骨料的质量较差，配制的混凝土离析和泌水严重；
The diabase gravel almost was laminated cleavage, so the quality of aggregate by impurities and crushing was bad, segregation and bleeding of concrete made by the aggregate was heavy.
目前，减水剂和粉煤灰复合掺加外加剂主要是应用于水泥混凝土，应用于水泥稳定碎石的具体研究极少。
At present, water reducing agent and fly ash compound mixing additives are mainly used in cement concrete, but their application in cement stabilized macadam is rare.
混凝土是由水泥、沙子和碎石并和水混合而成的。
Concrete is made of cement, sand, and gravel mixed with water.
一种碎石屑混凝土多孔砖，它涉及一种建筑材料，具体涉及一种工业和民用建筑用多孔砖。
The invention relates to a stone fragment concrete perforated brick belonging to a building material, particularly to a perforated brick for industry and civil architecture.
通过加铺层试验路观测与理论计算分析表明，大粒径沥青碎石裂缝缓解层可有效地防止或减缓水泥混凝土路面沥青加铺层的反射裂缝。
The investigations of testing highway and results of theoretic calculation indicate that the extra large-size asphalt macadam layer can prevents asphalt overlay from cracking effectively.
按照《普通混凝土用碎石或卵石质量标准和检验方法》（JGJ52-2006）测试了由该工艺生产的再生骨料的物理力学性能指标。
Various physical and mechanical properties of RCA from this technology were investigated according to Standard and Test Method for the Coarse Aggregate of Normal Concrete (JGJ 52-2006).
碎石取代部分轻骨料后，轻骨料混凝土强度虽有一定的提高，抗冻性能却下降较大。
Gravel to replace the part after the lightweight aggregate, lightweight aggregate concrete strength despite some improvement in performance has declined more antifreeze.
分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.
道路工程分为二步进行，第一步：施工路基、手摆块石及干压碎石，预留混凝土层；
The road works shall be done in two steps. First step: road bed construction, manual placement of block stones and dry pressing of crushed stones and reserved concrete layer;
混凝土是水泥、沙子和碎石加水构成的。
Concrete consists of cement, sand and gravel, mixed with water. .
在旧水泥混凝土路面与沥青加铺层之间设置大粒径的沥青稳定碎石中间夹层，为这一问题的解决提供了新的方向。
So to establish a large-size asphalt treated base between asphalt overlay and old concrete pavement provides a new method to solve the problem mentioned above.
利用轻集料与碎石集料混合配制混凝土，可使混凝土的性能得到优化，该类混凝土已显示出较好的应用前景。
By mixing lightweight aggregate and normal aggregate, the performance of concrete is optimized and has a preferable prospect in application.
分析城市道路水泥稳定碎石基层产生裂缝的原因，提出综合防治措施，以保证沥青混凝土路面的正常使用。
To keep the normal use of asphalt pavement, analyse the reason on basic crack for cement stable breakstone of the urban road, prate the method on prevention and cure.
罗马的混凝土是把沙子、石灰粉和碎石掺合到一块来，和今天的做法很相似。
Romanconcrete was a mixture of sand, powdered 3 limestone and stone 4 rubble, pretty well what it is today.
最后，对碎石化后水泥混凝土层的路面结构功能定位提出了对比分析结论，认为碎石化层可以直接作为新加铺沥青混凝土路面结构的基层或底基层，能满足新加铺路面结构的要求。
Last, the function of rubbled slab is ascertained, it shows that rubbled slab can be taken directly as base layer or under base layer, and meet the needs of new pavement.
浇混凝土一直是传统材料，但随着越来越多的替代品的推出，普通混凝土的屈服关系，摊铺机，碎石，甚至瓷砖。
Poured concrete has been the traditional material, but as more and more alternatives become available, plain concrete is yielding to ties, pavers, gravel and even tiles.
本发明公开了水泥混凝土桥面同步碎石防水粘结复合层及其施工方法。
The present invention discloses one kind of composite cement concrete bridge floor and its synchronous construction process.
本发明公开了水泥混凝土桥面同步碎石防水粘结复合层及其施工方法。
The present invention discloses one kind of composite cement concrete bridge floor and its synchronous construction process.
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