Scoria As Coarse Aggregate

Improving the performance of porous concrete by utilizing …

The favorable porous characteristics of pumice aggregate contribute to increased void content within the concrete, enhancing its water storage capacity and reducing runoff. These findings suggest that utilizing pumice aggregate can lead to the development of more sustainable and efficient porous concrete systems for storm-water management.

Utilization of Scoria as Aggregate in Lightweight …

produced using 0, 10, 20, 30, 50, 80, 90 and scoria replacing coarse aggregate and cured for 3, 7, 14 and 28 days respectively. Preparation of specimens The materials were measured by weight ...

Effects of perlite, leca, and scoria as lightweight aggregates …

Scoria is one of the oldest lightweight aggregates used in concretes. This lightweight aggregate is caused by volcanic meltwater entering water reservoirs such as rivers and lakes and cooling the lava, and its color is dark grayish brown. In this study, the Scoria produced in Shahr-e-Babak mines has been utilized.

Partial replacement of sand with marble waste and scoria for …

The proportions of cement, water, and coarse aggregate were held constant in all the test mixes while the amount of scoria, marble, and fine aggregate was variable. A total of 90 (150 mm × 150 mm × 150 mm) concrete cubes and 9 specimens for each series of the mix were cast and tested for compressive strength test at 3, 7, and 28 days based on ...

Utilization of Scoria as Aggregate in Lightweight Concrete

Scoria concrete made with fine and coarse scoria aggregate also satisfies the criteria for lightweight structural concrete. II. Materials and Methodology The fine aggregate used in the study was locally available river sand passing through 5.00 mm BS sieve size with specific gravity of 2.60. Crushed granite coarse aggregate from igneous ...

An investigation on the use of coarse volcanic scoria as sand …

The 28 day's compressive strength values of the mixtures containing coarse volcanic scoria aggregates (MCVS1, MCVS2 and MCVS3) were 28.29, 47.58 and 61.16 MPa. It was seen from these results that the compressive strengths of the mixtures containing coarse volcanic scoria aggregates increase with the proportion of fine volcanic scoria.

The effects of scoria and pumice aggregates on the strengths …

Also flexural strength decreases with increase in scoria with the optimum strength of 4.55 N/mm2 at 10% replacement. The density decreased from 2584 Kg/m3 to 1870.9 Kg/m3 for 0% and coarse aggregate replacement respectively. The scoria aggregate satisfied the requirements of lightweight aggregate for structural concrete as per ASTM C 330.

Auckland Aggregates- For aggregates, topsoil & tipping

The Auckland Aggregates volume calculator can help you quickly work out your aggregate and topsoil requirements. ... Scoria 25/7. 1m x 200 Silt Sausage. GAP65 Non Spec LS70. Prefilled Hessian Sand Bags. 40/20 Drainage Metal. GAP20 Non Spec LS20. GAP10 Non Spec LS10. GAP 20 Spec. Builders Mix.

Materials | Free Full-Text | Effects of Mix Components on

For SVSAC, the coarse aggregates, mixed water, and fine aggregates are volcanic scoria coarse aggregate (VSCA), seawater (SW), and sea sand (SS), respectively . Volcanic …

Mechanical and Durability Behaviour of Structural

In this paper, the mechanical and long-term durability behaviour of structural lightweight concrete (LWC) produced with natural lightweight scoria aggregate (LWSA) from the Azores is analysed. Among the properties studied are the compressive and tensile strength, modulus of elasticity, shrinkage, capillary absorption, carbonation and chloride resistance. To …

Study of some properties of sustainable lightweight concrete …

Four series have been used to produce lightweight concrete with mixed proportions of (1:2:4) (epoxy: scoria or charcoal fine: scoria or charcoal coarse) and (1:6) (epoxy: scoria or charcoal coarse) by volume. Compressive strength, bulk density, and water absorption tests have been applied to samples that were cured at 7, 14, and 28 days.

Residual Stress-Strain Relationship of Scoria Aggregate …

Scoria aggregate concrete (SAC) as new green material has been gradually used in some construction projects for its lightweight and high strength, which can reduce the environmental impact of construction materials. In this paper, the residual mechanical properties and intact compressive stress-strain relationships of polypropylene (PP) fiber-reinforced Scoria …

(PDF) Effects of Mix Components on Fracture Properties of …

scoria coarse aggregate (VSCA), seawater (SW), and sea sand (SS), respectively [2]. V olcanic. scoria aggregates (VSAs) are characterized by a porous structur e, low elastic …

Shock-absorbing capability of lightweight concrete utilizing …

Volcanic scoria is irregular in form and generally very vesicular, and has the basic composition of basalt. Volcanic pumice is excessively cellular, glassy lava and has the same basic composition of rhyolite. Hossain [3] investigated on the suitability of using volcanic scoria as coarse aggregate in lightweight concrete.

Review Self-compacting lightweight aggregate concrete and …

Scoria aggregate and crumb rubber aggregates: 610 mm to 680 mm-540 mm to 640 mm---[131] Washing aggregate sludge: 470 mm to 750 mm: 12 sec to 65 sec----[134] Expanded clay lightweight round coarse aggregate and crushed fine aggregate: 785 mm to 805 mm: 12 sec to 14 sec-0.93 to 0.97--[41] Light expanded clay aggregates: 622 mm to 742 mm: …

Suitability of Scoria as Fine Aggregate and Its Effect on the

The maximum nominal size of the coarse aggregate used was 20 mm. Gradation of the coarse aggregate conducted to check whether it fulfilled the ASTM C-33 specification …

Suitability of Scoria as Fine Aggregate and Its E ect on …

Scoria, which is a product of explosive volcanic eruptions, has been used for centuries in the world as a construction material. Di erent researchers have examined the use of scoria as a construction material in concrete production. According to [19], scoria used as a coarse aggregate was found to be

Scoria vs. Pumice: Unveiling the Volcanic Twins' …

Scoria Uses. The coarse, cindery texture and durability of scoria make it desirable for many construction uses. ... creates very attractive landscaping beds, walkways, and accents. The porous structure allows good …

Normal and High-Strength Lightweight Self-Compacting …

LWSCCs were designed using lightweight aggregate (LWA), which replaced coarse and fine aggregates at certain percentages. Three types of LWA used in this study …

Utilization of Scoria as Aggregate in Lightweight …

coarse aggregate was obtained.The concrete samples were produced using 0, 10, 20, 30, 50, 80, 90 and scoria replacing coarse aggregate and cured for 3, 7, 14 and 28 days

Bond of Seawater Scoria Aggregate Concrete to Stainless …

SSAC adopts seawater, sea sand and scoria coarse aggregates (SCA) as mixing water, fine aggregate and coarse aggregate, respectively; and its application in practical engineering is promising. SSAC is an ideal material due to its advantages, i.e., locally available materials, fast offshore construction, low costs, and huge amount of raw ...

Grading of pumice and scoria coarse aggregates

Download scientific diagram | Grading of pumice and scoria coarse aggregates from publication: Performance of lightweight concrete one-way slabs using medium-K basaltic andesite pumice and scoria ...

(PDF) Potential use of local waste scoria as an aggregate …

Coarse aggregate (Scoria) 1.7 15.8 932.8 13.7 - Fine aggregate (Sand) 2.66 0.6 - 2.5 2.51 . specific gravity of more than one, and porous nature of SA dire ctly influences the stiffness of .

Shock-absorbing capability of lightweight concrete utilizing …

Physical properties of mesoporous scoria and pumice

Scoria and pumice both contain high amounts of silica ranging between 40–52 wt% and 63–75 wt%, ... Mechanical Properties of Light Weight Aggregate Concrete Using Pumice as a Coarse Aggregate; Potential use of crushed pyroclastic rocks from mount Kelud as alternative backfill materials;

(PDF) INVESTIGATION ON PARTIAL REPLACEMENT OF COARSE AGGREGATE WITH

This paper deals with the reuse of waste plastics as partial replacement of coarse aggregate in M20 concrete. Usually M20 concrete is used for most constructional works. Waste Plastics were ...

CONCRETE TECHNOLOGY Structural Lightweight …

approximate bulk density of aggregate commonly used in normal weight concrete ranges from about 1200 to 1750 kg/m3 (75 to 110 lb/ft3) while lightweight concrete aggregates range from 560 to 1120 kg/m 3(35 to 70 lb/ft) (Kosmatka 2002). The lowest density lightweight concrete uses lightweight aggregate for both fine and coarse aggregate fractions.

Experimental Study on Steel-Fiber-Reinforced Scoria Aggregate …

Steel-fiber-reinforced scoria aggregate concrete (SFSAC), which contains scoria aggregate and steel fiber, was developed to reduce the environmental impacts and improve the energy efficiency of buildings. Experimental studies were performed. The test variables included steel fiber volume contents (0%, 0.5%, 1.0%, and 1.5%), freeze-thaw cycles (0 and 25 times), …

(PDF) Potential Use of Scoria as a Cementitious Material for …

Particle size distribution curve of sand and coarse aggregate (CA). Scoria: (a) before grinding; (b) scoria powder. SEM images of the scoria sample at different magnification sizes.

Suitability of Scoria as Fine Aggregate and Its Effect on the

According to [19], scoria used as a coarse aggregate was found to be very useful in the production of lightweight concrete, with sufficient strength giving it the advantage of reducing the dead load in building structures. Scoria is also used as a lightweight aggregate with silica fume and fly ash mineral admixture in the production of ...