Chloride Analysis of Sea Sand for Making Concrete ...

Cui et al. studied the effects of sea sand as fine aggregate. Sea sand and Washed sea sand were collected from a stock pile at Nagapattinam district coasts, Tamilnadu, India. Maximum chloride content of 0.075 % by weight of sand could be deemed acceptable for all reinforced concrete work using a 20 mm max. aggregate size and Portland cements.

sea sand as fine aggregate in ncrete - naukaipraktyka.edu.pl

suitable river sand mining sand sea sand as fine aggregate. mining sand as fine aggregate concrete. The lack of river sand has led to the use of sea-sand and crushed stone fines in many countries, with the use of sea-sand in the UK being an example .More than 90% of the world's d sea-sand has been used as a raw material in the ...

Use of sea-sand and seawater in concrete construction ...

Effects of sea-sand and/or seawater on the properties of concrete are summarised. • Admixtures can enhance the performance of concrete with sea-sand and/or seawater. • Combination of sea-sand seawater concrete with FRP leads to sustainable structures. • Sea-sand seawater concrete incorporating recycled coarse aggregate is attractive. •

Studies on Geo-Polymer Concrete Mixes with Sea Sand …

Sea sand up to a maximum of 50% can be used as a replacement to river sand. Use of GGBS in small proportions does not require heat curing and requires only ambient curing. GGBS of 35% is found to be optimum for obtaining satisfactory strength characteristics. The washed sea sand is ideal for concrete and plastering activities when compared with ...

Use of sea sand as fine aggregate in concrete making

The main reasons why it is not acceptable for concrete making is the presence of sea shells and the chloride content. Raw Sea Sand. Fine Sea Shells in Coarse Fraction. Sea Sand After Washing. It has been argued that shell content has no adverse effect on the strength of concrete as such, but the workability is reduced.

Partial Replacement of Fine Aggregate by Sea Sand In ...

Objectives: To find the optimum replacement level of fine aggregate by sea sand in GPC and to study the properties of GPC with various replacement level of sea sand. Methods/Statistical Analysis: An experimental setup with Sea Sand has been made suitable for construction purpose by reducing the salt content to equalize its properties similar ...

A Comparative Study on Partial Replacement of Sea …

Sea Sand: Sea . Sand. is. used as partial replacement for . fine aggregate in this study. It was procured . from. Machilipatnam. beach, which comes under zone – IV. The . specific gravity, fineness modulus and sieve an. alysis for . sea sand . were as shown: Table 3: Properties of Sea Sand 60. 2.4. Coarse Aggregate: The coarse aggregate forms ...

COMPARATIVE ANALYSIS OF RIVER SAND, M-SAND …

The sand is being tested for different properties like specific gravity, bulk density etc., In accordance with IS:2386-1963. The fine aggregate distribution of the examination or particle size demonstrates that it is near evaluating zone II or IS:383-1970. 3.3.1 RIVER SAND (RS) The natural fine aggregate is the river sand which is

Suitability of Soil Washed Sand as Fine Aggregates to ...

This paper presents a study on suitability of replacing river sand with soil washed sand as fine aggregate in concrete. The study was based on a comparison of concrete performance produced from river sand and soil washed sand obtained from four locations in Sri Lanka; Homagama, Rathnapura, Anuradhapura and Bandarawela. Several standard tests …

The use of seashells as a fine aggregate (by sand ...

The obtained results show that the crushed seashells (0/5 mm class), can be used as the fine aggregate for self-compacting mortar, without affecting the essential properties of mortar. However, the flowability of mortars based of seashells, was better and is suitable for a fluid concrete (as a self-compacting concrete).

(PDF) SEA SAND AS FINE AGGREGATE FOR CONCRETE …

SEA SAND AS FINE AGGREGATE FOR CONCRETE PRODUCTION SAMRAJ P ME (CMASE) Under the guidance of Dr.V.NAGARAJAN fOBJECTIVE • To find out a suitable method to reduce the salinity in the sand to the permissible level and to study the properties of concrete made with sea sand. • An attempt has been made to find the optimum replacement percentage ...

Feasibility study on utilization of marine sand in ...

cement, fine aggregate (river sand), coarse aggregate and sea sand were 3.15, 2.59, 2.84 and 2.71 respectively. Water absorption of coarse aggregate and fine aggregate are 1% and 0.5% respectively. Mix proportion obtained for M30 grade concrete is 1:1.22:2.54 From the mix design, quantity of cement,

SPECIFIC GRAVITY AND ABSORPTION OF FINE …

Tamping sand using the cone method to determine SSD If on the first trial the sand slumps, moisture must be re-added and the drying process repeated. Record the weight of the sand as SSD mass when the sand slumps to the nearest 0.1 g. Figure 4 Sand at SSD condition will slump once the cone is removed 5.

What is sand? Composition & Types of Sand - Civil …

Sea Sand: - Obtained from seashores. - Fine, rounded, and polished due to rubbing action of water. - Light brown in color. - Worst of the three types of sand because of containing a lot of salts. - Salts absorb moisture from the atmosphere and cause permanent dampness and efflorescence in the structure.

Sand, gravel and phosphate from the sea - World Ocean …

Sand, gravel and phosphate from the sea. The extraction of mineral resources from the sea is by no means a new activity. Many countries have in fact been extracting sand and gravel for decades. This loose rock is used to make concrete, as …

Study on sea sand as a partial replacement for fine ... - …

sea sand, as fine aggregate as partial replacement. 2. Materials and methods The sea sand samples were collected from Kuthenkuly (8.2162° N, 77.7803° E), Tirunelveli district of Tamil Nadu, India. Sample A which is yellowish white in colour was collected from the beaches. Sample C which is black in colour is collected

Effects of coarse and fine aggregates on long-term ...

Typical effects of coarse and fine aggregates on the long-term properties of sea sand recycled aggregate concrete (SSRAC) are analyzed by a series of axial compression tests. Two different types of fine (coarse) aggregates are considered: sea sand and river sand (natural and recycled coarse aggregates). Variations in SSRAC properties at different ages are …

Manufacturing of pavement block by using waste plastic …

Manufacturing of pavement block by using waste plastic and sea sand Mukesh Chavan1, Shubham Tamhane2, Sunil Chavan3, ... glass can effectively be used as fine aggregate replacement (up to 45%) without substantial change in strength. Dinesh.A, Kirubakaran.K et.al, (2016), òUtilization of waste plastic in manufacturing of bricks and paver ...

What is the size of coarse sand, medium sand and fine sand?

Natural sand: rock particle with the particle size < 5 mm, formed by natural conditions, and divided into river sand, sea sand, mountain sand according to its original place. The thickness of sand is divided into 4 levels on the basis of fineness modulus. Coarse sand: its fineness modulus is 3.7-3.1, the average particle size is over 0.5 mm.

EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND …

the sea sand pumped from a distance of about ten kilometers is very suitable for building construction industry. This study is to experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Keywords: Concrete, Sea sand and Fine aggregate. 1. INTRODUCTION

PHYSICAL PROPERTIES OF AGGREGATES - Rowan …

Physical Properties of Aggregates 4 Coarse Aggregate Angularity • Measured on + 4.75 mm material • Based on fractured faces – fractured surface larger than 25% of aspect ratio • ASTM D 5821 • Specification requirements depend on: – depth of layer within pavement

Fine Aggregates | Specific Gravity of Sand / Fine ...

Types of Sand Sea Sand. Sea sand should not be used as it causes efflorescence, corrosion of reinforcement, and retards setting hardening of concrete, damp sand exhibits more volume; this is called bulking. When the damp sand is measured by volume, up to 15% extra sand is to be added to compensate for bulking.

How do you describe sand texture? - FindAnyAnswer.com

The sea was buzzing with its dormant strength. The waves were crawling gently to the shore. The waves were creeping steadily towards us. The dreamy sea was its own master. The waves were gently drenching the sand. The sea softly doused the beach. The waves were carelessly dribbling onto the sand.

EXPERIMENTAL STUDY ON EFFECT OF SILICA SAND AS …

fine aggregates, and water is less environmental friendly due to calcination and mining of sand in river and sea. Polymer concrete is thus promoted where the cement and fine aggregates are replaced partially within itself. In this study, mechanical properties such as compressive strength and tensile splitting strength are measured.

Experimental Study on Suitability of Sea Sand as Fine ...

This study is experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Experimental results show that the washed sea sand is ideal for concrete and plastering activities. REFERENCE. National sand study for Sri Lanka, vols. 1 and 2. Final Report, Phase1, Delft Hydraulics; 1992.