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首页> 外文会议>Moratuwa Engineering Research Conference >Effect of aggregate percentage on compressive strength of self-compacting in-situ cast Mud - Concrete load bearing walls
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Effect of aggregate percentage on compressive strength of self-compacting in-situ cast Mud - Concrete load bearing walls

机译：聚集百分比对自压制铸造泥浆 - 混凝土承载墙体压缩强度的影响

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摘要

Mud-Concrete is a novel concept which produces a composite material using soil, cement and water. In the concept of Mud-Concrete technology, sand and metal of concrete are replaced by fine and coarse aggregates of soil. Furthermore, precise gravel percentage governs the strength of Mud-Concrete. Unlike a block when it comes to in-situ cast wall, the walling system could provide much space to both fine and coarse gravel in the mixture, because wall could expand its vertical boundaries. Therefore finding the optimum gravel size and the gravel: sand ratio is important to achieve the best mix for in-situ cast Mud-Concrete load-bearing wall. The experimental results showed that the best gravel (sieve size 4.75mm ≤ gravel ≤ 32mm): sand(sieve size 0.425mm ≤ sand ≤4.75 mm): fine (≤ sieve size 0.425mm) ratio for in-situ cast Mud-Concrete wall is 45:50:5 with minimum 4% cement. Further the results indicate the usable gravel range in the soil for Mud-Concrete construction is limited to 35%-55% and sand is limited to 60%-40% with 4% cement. The compressive strength of the Mud-Concrete depends on the particle size distribution of developed soil, optimum gravel size and the optimum gravel: sand ratio of the mix.
机译：泥浆混凝土是一种新颖的概念，可用土壤，水泥和水生产复合材料。在泥浆混凝土技术的概念中，混凝土的沙子和金属被土壤的细腻和粗骨料所取代。此外，精确的砾石百分比控制泥浆混凝土的强度。与置于原位铸造墙壁的块不同，墙壁系统可以在混合物中为精细和粗砾石提供大量空间，因为壁可以扩大其垂直边界。因此，找到最佳砾石尺寸和碎石：砂比对于实现原位铸造泥浆混凝土承载墙的最佳混合是重要的。实验结果表明，最好的砾石（筛尺寸4.75mm≤砾石≤32mm）：砂（筛尺寸0.425mm≤砂≤4.75mm）：原位铸造泥浆混凝土墙的精细（≤筛尺寸0.425mm）比例45：50：5至少4 ％水泥。此外，结果表明，用于泥浆混凝土结构的土壤中可用的砾石范围限制为35 ％ - 55 ％，砂被4 ％水泥限制在60±0.0℃。泥浆混凝土的抗压强度取决于发达的土壤，最佳砾石尺寸和最佳砾石的粒度分布：混合物的砂比。

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