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The effect of the main component ratios in the joint filling on the product quality

Rizaoğlu Tamer, Karataş Muhammed Ziya, Çoşkun Canberk

Mining Machines

2022

vol. 40, iss. 4

180--190

When building materials are exposed to environmental and natural factors such as temperature differences, humidity, strong wind and earthquake in the areas where they are applied, irreversible damages such as separation, cracking and level difference occur in structures and building materials. In order to prevent these damages, the joints are left between the building materials and the gaps are filled with filling materials. The composition of the materials filling the joint gaps is also very important. The most important problems encountered in joint fillings are rupture, cracking and therefore permeability. In this study, it is aimed to compare the joint filling materials produced from different proportions of aggregate and white cement against rupture and cracking, and to determine the mixture ratio that exhibits the best performance. Five different recipes were prepared by using calcite powder as aggregate, white Portland cement as binder and water-repellent, volumizing and thickening chemical additives as auxiliary materials. On the prepared test samples; Capillary water absorption, water absorption by weight and volume, unit volume weight, saturated unit volume weight, porosity, compressive strength, bending strength, surface hardness and abrasion resistance tests were carried out. Considering the cost and environmental damage of cement, which is one of the main components in joint filler material, DD2 [Calcite (71.50%)] + White Cement (26.50%) + [Polymer + Cellulose + Plasticizer + Silicone] 2% has been detected as the most appropriate recipe.

Wpływ wypełnienia spoin na wytrzymałość ścian obciążonych pionowo

Rybarczyk T., Drobiec Ł.

Materiały Budowlane

2018

nr 8

62--63

Artykuł opisuje badania modeli murów z autoklawizowanego betonu komórkowego (ABK) w skali naturalnej. Ściany zostały wykonane z bloczków z ABK o grubości 18 cm na zaprawie do cienkich spoin. Badano ściany z wypełnionymi spoinami pionowymi i bez wypełnienia. Siły były przekazywane przez żelbetowy wieniec. Przeanalizowano nośność i odkształcenia ścian.

The paper describes the results of testing Autoclaved Aerated Concrete (AAC) walls on a natural scale. The walls were made of 18 cm wide blocks and thin layer joints. Walls were tested with filled and non-filled perpend (vertical) joints. The vertical load was applied by a reinforced concrete rim beam. The load-bearing capacity and deformability of walls was analysed.