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A platform for research: civil engineering, architecture and urbanism
Lightweight plastering mortar and preparation method thereof
The invention discloses lightweight plastering mortar and a preparation method thereof. The lightweight plastering mortar is prepared from the following components in parts by mass: 68 to 72 parts of anhydrite, 10 to 15 parts of cement, 8 to 10 parts of stone powder, 8 to 12 parts of vitrified micro bubbles of 70 to 90 meshes, 0.5 to 1.5 parts of an accelerator, 0.17 to 0.25 part of a water-retaining agent and 0.03 to 0.08 part of a lubricant. The preparation method of the lightweight plastering mortar comprises the steps of S1, weighing the raw materials in parts by mass; and S2, sieving the anhydrite weighed in the step S1 with a 200-mesh sieve to obtain sieved anhydrite, crushing the stone powder, sieving with a 0.2 mm-sieve to obtain sieved stone powder, uniformly mixing the sieved anhydrite, the sieved stone powder and the other raw materials weighed in the step S1, stirring and mixing for 4-6 minutes, and then sub-packaging to obtain the lightweight plastering mortar. Compared with the traditional cement mortar, the lightweight plastering mortar disclosed by the invention has the advantages of higher strength, higher bonding strength, lower linear shrinkage rate, stronger water-retaining property and the like.
本发明公开了一种轻质抹灰砂浆及其制备方法，轻质抹灰砂浆包括以下质量份数的组分：硬石膏68‑72份，水泥10‑15份，石粉8‑10份，70‑90目玻化微珠8‑12份，速凝剂0.5‑1.5份，保水剂0.17‑0.25份，润滑剂0.03‑0.08份；本轻质抹灰砂浆的制备方法包括以下步骤：S1、按照质量份数称取上述各原料；S2、将S1中称取的硬石膏过200目筛，得到筛后硬石膏；石粉破碎后过0.2mm筛，得到筛后石粉；将筛后硬石膏、筛后石粉与S1中称取的其余原料混合均匀，搅拌混合4‑6min，然后分装，即得到轻质抹灰砂浆。本发明公开的轻质抹灰砂浆与传统水泥砂浆相比具有包括强度更高、粘结强度更高、线性收缩率更低、保水性更强等在内的多个优点。
Lightweight plastering mortar and preparation method thereof
The invention discloses lightweight plastering mortar and a preparation method thereof. The lightweight plastering mortar is prepared from the following components in parts by mass: 68 to 72 parts of anhydrite, 10 to 15 parts of cement, 8 to 10 parts of stone powder, 8 to 12 parts of vitrified micro bubbles of 70 to 90 meshes, 0.5 to 1.5 parts of an accelerator, 0.17 to 0.25 part of a water-retaining agent and 0.03 to 0.08 part of a lubricant. The preparation method of the lightweight plastering mortar comprises the steps of S1, weighing the raw materials in parts by mass; and S2, sieving the anhydrite weighed in the step S1 with a 200-mesh sieve to obtain sieved anhydrite, crushing the stone powder, sieving with a 0.2 mm-sieve to obtain sieved stone powder, uniformly mixing the sieved anhydrite, the sieved stone powder and the other raw materials weighed in the step S1, stirring and mixing for 4-6 minutes, and then sub-packaging to obtain the lightweight plastering mortar. Compared with the traditional cement mortar, the lightweight plastering mortar disclosed by the invention has the advantages of higher strength, higher bonding strength, lower linear shrinkage rate, stronger water-retaining property and the like.
本发明公开了一种轻质抹灰砂浆及其制备方法，轻质抹灰砂浆包括以下质量份数的组分：硬石膏68‑72份，水泥10‑15份，石粉8‑10份，70‑90目玻化微珠8‑12份，速凝剂0.5‑1.5份，保水剂0.17‑0.25份，润滑剂0.03‑0.08份；本轻质抹灰砂浆的制备方法包括以下步骤：S1、按照质量份数称取上述各原料；S2、将S1中称取的硬石膏过200目筛，得到筛后硬石膏；石粉破碎后过0.2mm筛，得到筛后石粉；将筛后硬石膏、筛后石粉与S1中称取的其余原料混合均匀，搅拌混合4‑6min，然后分装，即得到轻质抹灰砂浆。本发明公开的轻质抹灰砂浆与传统水泥砂浆相比具有包括强度更高、粘结强度更高、线性收缩率更低、保水性更强等在内的多个优点。
Lightweight plastering mortar and preparation method thereof
一种轻质抹灰砂浆及其制备方法
REN KAIFENG (author) / GAO YUBO (author) / QIN HU (author) / SI TENGFEI (author)
2022-01-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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