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- When lightweight aggregate concrete is prepared， scoria is mixed in as the coarse aggregate， while steel fibers， polypropylene fibers and hybrid fibers are added respectively. 用天然火山渣作為粗骨料，配制鋼纖維、聚丙烯纖維和混雜纖維輕骨料混凝土。
- limestone coarse aggregate concrete 石灰石粗集料混凝土,石灰石粗骨料混凝土
- recycled coarse aggregate concrete 再生粗集料混凝土
- Effect of Coarse Aggregate on Characteristics of Plastic Shrinkage Cracking of Lightweight Aggregate Concrete 粗骨料對輕骨料混凝土塑性收縮裂縫的影響
- Coarse aggregate is one of the major constituents in producing concrete. 粗集料是配制混凝土的主要原材料之一。
- coarse aggregate concrete 粗骨料混凝土
- This is due to the fact that there is more coarse aggregate per unit volume of concrete than when a larger, maximum size aggregate is used. 這是因為有更多的單位體積混凝土骨料比一面積較大,總計面積最大的運用。
- The results indicate that the limiting grain size of coarse aggregate has significant effect on the strength and workability of concrete, but it is lower than that of W/B ratio. 結果表明：粗骨料的最大粒徑對混凝土強度、和易性有明顯影響，但水膠比仍是影響混凝土強度及和易性的主要因素。
- Because of vast volume of a dam,the coarse aggregate of concrete used for constructing a dam is of large grain size and more grading. 由于水壩的體積大，用來(lái)筑壩的混凝土的粗骨科粒徑大、分級多。
- T.C.Hansen and H.Narud, “Strength of Recycled Concrete Made from Crushed Concrete Coarse Aggregate”, Concrete Inter-national/January 1983. 劉玉雯(1993)，"再生混凝土抗壓行為之研究"，第十七屆全國力學(xué)會(huì )議，臺北，第847-853頁(yè)。
- This article system research concrete mechanics performance in same water-cement ratio situation and different recycled coarse aggregate replacement percentage. 系統研究在水灰比相同的情況下,再生粗骨料取代率不同混凝土的力學(xué)性能。
- The result showed that there were initial stress and deformation in the concrete due to inner restraint of coarse aggregate, forming a potential trend of destruction. 結果表明，在混凝土的收縮過(guò)程中，粗集料的內約束作用使混凝土內部產(chǎn)生初始的應力和變形，形成潛在的破壞趨向；
- When lightweight aggregate concrete is prepared, scoria is mixed in as the coarse aggregate. while steel fibers-polypropylene fibers and hybrid fibers are added respectively. 摘要用天然火山渣作為粗骨料，配制鋼纖維、聚丙烯纖維和混雜纖維輕骨料混凝土。
- Concrete is a very special two-phase composite material, that is, there exists difference of the properties between the matrix and coarse aggregate and this difference would change markedly as the ages increase. 從兩相復合材料角度分析，混凝土是一種非常特殊的兩相復合材料，表現在粗集料和砂漿基體兩相之間的性能存在差異，且這種差異隨著(zhù)齡期的變化而發(fā)生非常大的變化。
- The gas anti-permeability and carbonation resistance of recycled concrete, which was prepared by using waste concrete as recycled coarse aggregate (RCA) and some cement and mineral additions as raw materials, were studied. 摘要以廢棄混凝土為再生粗集料，再適當摻加一定量的水泥和礦物摻和料，制成再生混凝土。
- The effect of recycled coarse aggregate quantity,recycled fine aggregate,PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump. 本文研究了再生粗骨料摻量、再生細骨料摻量、粉煤灰取代水泥量和水灰比對再生混凝土抗壓強度和坍落度的影響。
- The separated recycling coarse aggregate has the similar physical properties with the natural aggregate.Moreover,the recycling concrete has better workability and mechanical pro... 分離制備的再生粗骨料與天然集料具有相似的物理性能,并且配制的混凝土具有良好的工作性能和力學(xué)性能。
- On the basis of the single factor dry rodded test of coarse aggregate, the optimal framework structure of gabbro Sup-16 gradation is given out. 根據粗集料的單因素搗實(shí)試驗，確定了輝長(cháng)巖Sup-16級配骨架最優(yōu)結構。
- Uniform Design Method was applied to study the quantitative relationship between optimally dense situation and coarse aggregate composition. 利用馬歇爾擊實(shí)試驗確定了粗細集料的分界標準。
- And research the effect of the steel fiber length, the max coarse aggregate size and specimen size on the fracture toughness of SFRC by contrast test. 并作對比試驗,研究鋼纖維長(cháng)度、粗骨料最大粒徑以及試件尺寸等對混凝土斷裂韌度的影響。
