coursing degree of mortar
... 砂浆配合比:mortar mixing proportion 砂浆分层度:coursing degree of mortar 砂浆底层:screed ...
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随着EPS颗粒粒径的增大,砂浆的分层度增大,保水性、和易性及抗折强度降低。
With increasing of modified EPS powders size, the segregation phenomenon of mortar became seriously, water retention, workability and bending strength decreased.
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基本概念水泥砂浆的保水性指标,水泥砂浆装入分层度桶前,测定砂浆的稠度,将静止一定时间并去掉分层度桶上面三分之二的砂浆,再做一次稠度,两次的稠度差即分层度,太大太小都不好,太大保水性不良,太小砂浆容易开裂。 结构组成其内径为15厘米,上节高20厘米,下节高10厘米,带底,用金属板制成,上下节用螺栓连接。
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