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Mortar: M75 mortar Philippines: 60 mm Mortar: M75: unknown: Several hundred units were produced as part of the AFP Self-Reliance Defense Posture Program starting 1977, several distributed for the PMC. [13] M29 mortar United States: 81 mm Mortar: M29: unknown: In service. [7] EXPAL M-98 mortar Spain: 81 mm Dismounted Mortar: M-98 – (+30)
Repointing is the process of renewing the pointing, which is the external part of mortar joints, in masonry construction. Over time, weathering and decay cause voids in the joints between masonry units, usually in bricks , allowing the undesirable entrance of water.
The mortar usually used with them in original construction was lime mortar, which is much softer and weaker than modern cement based mortar and can be cleaned off second-hand bricks easily leaving them ready for re-use. Nevertheless, the supply of second-hand stocks cannot always meet the demand, and 'new' second-hand stocks can be obtained ...
Shotcrete, gunite (/ ˈ ɡ ʌ n aɪ t /), or sprayed concrete is concrete or mortar conveyed through a hose and pneumatically projected at high velocity onto a surface. This construction technique was invented by Carl Akeley and first used in 1907. [1]: 7 The concrete is typically reinforced by conventional steel rods, steel mesh, or fibers.
Step trowel: similar to the corner trowel, it is used for shaping inside angles on concrete steps; the center of the 90-degree bend in the blade allows for rounded edges. Tile setter: a brick trowel with an extra-wide blade to hold more mortar than a standard brick trowel. It is ideal for smoothing mortar on large bricks and blocks.
Mortar holding weathered bricks. Mortar is a workable paste which hardens to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, spread the weight of them evenly, and sometimes to add decorative colours or patterns to masonry walls.
Tuckpointing was a way of achieving a similar effect using cheap, unrubbed bricks; these were laid in a mortar of a matching colour (initially red, but later, blue-black bricks and mortar were occasionally used) and a fine fillet of white material, usually pipe clay or putty, pushed into the joints before the mortar set. [4]
First computer-based fire control and command system used by the Philippine Army, installed on M-71 155mm towed howitzers, ATMOS 155mm self-propelled howitzers, M113A2 Armored Mortar Carriers, and 24 upgraded M113A2+ FSVs, IFVs, and APCs delivered by Elbit Systems.