Masonry mortar specially used for autoclaved aerated concrete blocks

• Main Authors: LIANG GUANZHONG, QIN YUEMENG, LI LI, KOU DANSHENG, YANG BAOCUI, PAN ZHANXIONG, WANG GUANQIU, WEI YUANFENG, WEI ZHENGGANG
• Format: Patent
• Language: Chinese; English
• Published: 31.05.2017
• Subjects: ARTIFICIAL STONE; BUILDING; CEILINGS; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; LIME, MAGNESIA; METALLURGY; REFRACTORIES; ROOFS; SLAG; TREATMENT OF NATURAL STONE; WALLS, e.g. PARTITIONS

The invention discloses masonry mortar specially used for autoclaved aerated concrete blocks, belonging to the field of building materials. The masonry mortar is prepared by the following raw materials in parts by weight: 80-85 parts of sand, 12-15 parts of cement, 10-30 parts of coal ash and 0.1-1.5 parts of additive. By adding coal ash and defining the particle size of thereof, adding raw material sand and defining the particle grading structure thereof, and matching additive of certain components, the masonry mortar has excellent water-retention rate, shrinking rate, bonding strength, compressive strength and layering degree, so as to effectively avoid cracking and even shrinkage and subsidence of the masonry when the plastering mortar specially used for autoclaved aerated concrete blocks is subject to masonry. 本发明公开种蒸压加气混凝土砌块专用砌筑砂浆，属于建筑材料领域。本发明由以下重量份数的原料制得：砂子80份～85份、水泥12份～15份、粉煤灰10份～30份以及外加剂0.1份～1.5份。本发明通过加入并限定粉煤灰的颗粒大小，以及通过加入并限定原料砂子的颗粒级配结构，以及搭配特定组分的外加剂，从而具有优异的保水率、收缩率、粘结强度、抗压强度以及分层度，使得在对蒸压加气混凝土砌块进行砌筑时，有效避免