The utilization of sandblasting sand waste for mortar and normal concrete

Abstract

Nowadays, large amounts of sandblasting sand waste are being produced and pollute environment. Sandblasting utilize to remove accumulated organic matter and other debris on concrete, steel, and wood components. The objective of experimental Laboratory for an analyse utilization of sandblasting waste in term of mortar strength, concrete strength, absorption and work ability of the mix. An experiment was conducted at civil laboratory POLINEMA using mortar cube 10 × 10 cm, and cylindrical concrete mould ø 15 × 30 cm, the curing time 3 and 7 day for mortar, 7 and 28 days for concrete. The testing refere to ASTM C-150 for mortar and Normal concrete with SNI-03-2834-2000. Fraction of waste sand are 0%,10%,20% and 30% of natural sand. The result, mortar compressive strength 3 days, 120 kg/cm2(0%), 125kg/cm2(10%), 129kg/cm2 (20%), and 131kg/cm2 (30%). For 7 Days, 190 kg/cm2(0%),200 kg/cm2(10%), 203 kg/cm2 (20%), and 213kg/cm2 (30%). For concrete strength 7 days, 150 kg/cm2 (0%), 161 kg/cm2 (10%), 168kg/cm2 (20%),174 kg/cm2 (30%), For 28 days, average concrete strength 225 kg/cm2 (0%),259 kg/cm2 (10%), 269 kg/cm2 (20%),272kg/cm2 (30%). An absorption decrease 8%(0%), 5%(10%), 4.5%(20%), and 3.9%(30%), work ability of the mix increase 3.5cm (0%), 3.57 cm (10%), 4.5cm (20%), and 4.9 cm (30%), that is indicated by slump value.

On the Review of Utilization of Sandblasting Waste in Concrete: Cracks Propagation and Sem Results

“…Prior to the sandblasting procedure, the chemical component concentration of Silica sand is shown in Table 3. Before substituting waste sand for natural sand in mortar and concrete mixes, an XRF test is conducted to ensure that the silica compound concentration has not been altered or polluted by debris [2].…”

“…Nozzles may be found in a wide range of diameters and are made from several different materials. Boron carbide is frequently used for nozzles due to its high resistance to abrasive wear [2].…”

Properties of concrete mortar incorporating recycle pulverized sandblasting waste as additives

“…Silica is increasingly used in concrete production to improve material properties and performance. It can be added in many forms, such as raw silica sand as a replacement for fine aggregate, micro-silica, and nano-silica as additives [ [9] , [10] , [11] , [12] , [13] , [14] ]. Malathy et al, 2022 use industrial silica sand as fine aggregate in Concrete.…”

Using Wastes from the Process of Blasting with Steel Shot to Make a Radiation Shield in Mortar

“…Meneghel [24] evaluated the possibility of compacting the shot waste using a sintering process (metallurgy of the powder), thereby generating briquettes that could be used by industries at a future stage. The study carried out by Qomariah et al [25] analyzed the suitability of contaminated sandblasting grit for production of cement mortars and found that substituting natural sand with waste sand develops the strength of mortar and small pores and increases the weight of mortar, but the waste was made up of sand and not steel shot. Jhamad et al [26] replaced cement by steel shot dust and evaluated the compressive strength.…”