Axial compressive behavior and load carrying capacity
To reduce construction costs, seawater, sea sand, and dead coral are often used in concrete buildings on distant islands. Such seawater-sea sand coral aggregate concrete (SSCAC) typically has insufficient mechanical …
SEA SAND AS FINE AGGREGATE FOR CONCRETE PRODUCTION …
In the present work, literature on the use of sea sand as replacement of fine aggregate has been studied. The chloride content in reinforced concrete according to various codes has been evaluated the chloride removal method have been studied. This
Experimental study on carbonation behavior of seawater sea sand
The carbonation behavior of seawater sea sand recycled aggregate concrete (SSRAC) was investigated in this study. Considering different added water, fine aggregates, and coarse aggregates, the specimens were divided into 12 groups for the accelerated carbonation test by 7 days, 14 days, and 28 days.
Sea Sand Concrete- A Review on Current Status
The present paper provides comprehensive evaluation of utilization of sea sand in concrete and emphasises the need for further research on sea sand as fine aggregate in concrete. Key words: Sea ...
Feasibility study on use of sea sand as partial replacemnt of …
In this study, replacement of sea sand instead of river sand as 20%, 30%, 40% and 50% respectively as partial replacement for fine aggregate. Analysis of the parameters such as compressive strength, water absorption were investigated and compared with conventional concrete.
Bond behavior between BFRP bar and basalt fiber reinforced seawater sea
In order to meet the demand of construction waste treatment and using local materials, the use of recycled coarse aggregate (RCA), sea-sand and seawater is of great significance to coastal areas and sea-related engineering construction.
Padstow Seasand and Aggregate Ltd | Wadebridge
Padstow Seasand and Aggregate Ltd, Saint Eval, Cornwall, United Kingdom. 2,460 likes · 1 talking about this · 45 were here. We supply sea sand,topsoil, aggregates, building sand we also have plant...
Internal curing effect of saturated coral coarse aggregate in …
This study characterizes the essential engineering properties of the coral coarse aggregate (CCA) and evaluated its potential utilization as an internal curing agent for high-strength seawater sea sand concrete (HS-SWSSC).
Mechanical properties and fracture behavior of seawater …
The so produced material, referred to as seawater sea sand recycled aggregate concrete (SSRAC) could lend a hand in widening the usage of RCA and sea …
Experimental investigation on triaxial mechanical properties …
The application of coral coarse aggregate-sea sand seawater concrete (CSSC) in offshore engineering construction is one of the effective measures to realize the rational allocation of resources and alleviate the shortage of resources. In addition, considering that concrete structures in coastal areas may be under triaxial stress, it is …
Shear behaviour of seawater sea-sand coral aggregate …
Many experimental studies have shown that the strength and workability of seawater sea-sand coral aggregate concrete were similar to those of normal concrete [15]. Seawater and sea sand accelerated the strength development of concrete at an early stage owing to their higher chloride contents.
Experimental investigation of bond behavior with lap
Coral sea-sand aggregate seawater concrete (CSSC) is a type of concrete that is mixed with seawater and composed of coral fragments as coarse aggregates and sea-sand as fine aggregates. Since the main components of CSSC are sourced from the ocean, the development and utilization of this new type of concrete provide a new option …
Mechanical properties of sea sand recycled aggregate concrete under
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.
Simulation of fracture behavior in seawater and sea-sand …
Process of eco-friendly/green construction using seawater-mixed sea sand recycled aggregate concrete (SSRAC). With the obvious benefits of sustainable use of RCA, seawater, and sea sand, understanding the resulting concrete fracture behavior for critical applications become important. Inevitable microcracks present themselves as …
A new composite column of FRP-steel-FRP clad tube
A new composite column of FRP-steel-FRP clad tube (FSFCT) filled with seawater sea-sand coral aggregate concrete (SSCAC) was proposed. The FSFCT is composed of three layers: inner layer of glass fiber reinforced polymer (GFRP) tube, middle layer of carbon steel tube and outer layer of GFRP tube.
Mesoscopic investigation of the matrix pores and ITZ effects …
In this study, the matrix pores and ITZ effects on the mechanical properties of seawater sea-sand coral aggregate concrete (SSCAC) were investigated via the meso-element equivalent method.
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 …
Sea Dredged Sand for Concrete | Extending Aggregate …
A study was conducted by the authors to assess the possibility of using sea dredged sand from Singapore in concrete construction. Various combinations comprising normal sand, washed and unwashed sea dredged sand, potable water …
A review on the physical & chemical properties of sea sand …
Other examples are Hong- Kong, Middle East and Singapore have also used Sea sand successfully in various projects. A case study done on SEACON was aimed to demonstrate safe utilization of sea aggregates and sea water for concrete production which is sustainable when used with non- corrosive reinforcements [8].
EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND AS FINE AGGREGATE
Research on sea sand as an aggregate in concrete is an important study in present scenario. The major challenging factor for its usage is the presence of chloride level, inorganic content, shell content, aggregate shape and size of sea sand.
Behavior and modeling of seawater sea-sand coral aggregate …
On this basis, a new type of BFRP tubular column filled with seawater sea-sand coral aggregate concrete (SWCC) was proposed, and its eccentric compressive performance was studied based on experimental tests and numerical modeling. The effects of parameters such as the wall thickness of the BFRP tube, eccentric distance, and pre …
Seawater-mixed concretes containing natural and sea sand …
Also, the effects of salts from seawater, sea sand, and coral aggregates, on the long-term durability of seawater-mixed and sea sand (SW-SS) concretes, are …
Mechanical behavior and constitutive model of
To overcome this issue, the utilization of recycled aggregates (RAs) in concrete is considered a sustainable construction method. Due to the growing scarcity of river sand and fresh water, this study explores the mechanical properties of recycled aggregate concrete (RAC) incorporated with seawater (SW) and sea sand (SS), …
A review on the physical & chemical properties of sea sand …
The present work focuses on compiling and reporting various works on the general material properties of sea- sand, effect of chloride content in strength and …
Short-term creep behaviors of seawater sea-sand coral aggregate …
Appropriate utilization of wasted coral aggregates, seawater and sea-sand can effectively resolve the shortage of raw materials for offshore projects …
Bond durability between BFRP bars and recycled aggregate seawater sea
Therefore, the use of seawater and sea-sand can meet architectural requirements and has good economic benefits. Furthermore, the combination of seawater, sea sand and recycled coarse aggregate to form recycled aggregate seawater sea-sand concrete (RASSC) is an inevitable choice to mitigate this predicament and develop …
Incorporating sea sand into self-compacting concrete: a …
The increasing demand for river sand, driven by infrastructure development, poses environmental challenges. The study aims to address the depletion of river sand …
Sea Sand for Construction[Reality and Truth]
Can we use sea sand for construction to meet the increasing demand? Yes, we can use sea sand as alternative to river sand after cleaning as specified.
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.
Mix design optimization of seawater sea sand coral aggregate …
With the resource shortage in coastal areas, the construction of concrete structures using freshwater and river sand has brought great economic and environmental costs. The use of seawater, sea sand, and coral aggregates in concrete mixes has become an alternative solution for coastal and marine structures, especially for offshore …