| dc.description.abstract | Earthquakes cause existing building damages and casualties, especially on non-engineered
buildings. A collapsed affect to a typical failure on the masonry walls which frequently cause lost of
lives.. Until now, a research on masonry walls has been undertaken, but was limited to conventional
concrete-block masonry (without interlocking), a material and composition. According to the theory
of mechanics of materials, interlocking concrete-block masonry has higher potential contribution to
strength then conventional concrete-block masonry. The purpose of this research was to determine
the strength of each unit of interlocking concrete-block and a masonry wall utilizing a kind of
mortar which is made of cement and stone ash
The experimental setup and load mechanism affect to the strength of each unit tested. This
research was undertaken by investigating each unit of interlocking concrete-block for measuring its
compressive strength of mortar, and strengths of shear-flexure, pure shear, and vertical shear. For
determining its interlocking of concrete-block as a wall masonry, it was tested two specimen models
consisting 2 and 3 layers of concrete-blocks masonry. The two different wall specimens were
mounted in a vertical line (type -1) and installed nit aligned vertically (type-2) with mortar adhesive.
Each specimen was gradually applied in-plane and out-of-plane loads.
Based on the test of interlocking concrete-block and masonry wall, the result show that the
interlocking concrete-block is categorized in A class based on the Indonesian Standard of PUBI
(1982). Whilst for the in plane masonry wall test present that the mortar installed not vertically has
134,82% higher strength than the mortar installed vertically. For the out of plane masonry wall test
produce 114,1% strength. The result of 3 layers concrete-block shows the strength increases of
83,3% and 15,8% for in plane and out of plane directions respectively. | en_US |
