make concrete from seawater and sea sand in china



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Use of sea

30-11-2017 0183 32 It has been shown by existing research that concrete made with sea-sand and seawater develops its early strength faster than that of ordinary concrete, but the former achieves a similar long-term strength to the latter...

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Use of sea

In view of this background, some researcher proposed to use sea sand to prepare concrete, or even use sea water and sea sand to make concrete 1 2 3 4 5 85...

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Use of sea

30-11-2017 0183 32 The UK was the pioneer country to use desalted sea-sand as fine aggregate in concrete In the 1960s, British experts conducted a series of studies on the use of sea-sand as a raw construction material , , , Over 21 million tonnes of sea-sand and gravel was extracted annually around the coast of England and Wales from 2000 to 2004...

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A research on producing concrete using sea sand, and ,

31-03-2018 0183 32 Concrete is a popular building material in construction and is normally made from cement, coarse aggregate crushed rock, gravel , fine aggregate natural sand , water and admixtur In Vietnam, river sand is commonly used as fine aggregate to make concrete Due to the development needs of society, river sand is being over - exploited to serve construction activities, affecting the ,...

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Use of sea

It has been shown by existing research that concrete made with sea-sand and seawater develops its early strength faster than that of ordinary concrete, but the former achieves a ,...

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Effect of sustained load and seawater and sea sand ,

Abstract Recently, in responding to the resource shortage and steel corrosion, the combination of seawater and sea sand concrete SWSSC and fibre reinforced polymer FRP bars was proposed to replace the traditional reinforced concrete structures in civil engineering For FRP bars in the real service condition of concrete structure, the synergistic effect of sustained load and corrosion ,...

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If necessary can we make concrete with sea sand and even ,

27-12-2014 0183 32 Yes, is the answer, on the Sea sand, as long the sand is taken from the beach, and not the dunes, the sand is fine, as the wind buffets the dunes, deposits salt taken from the seawater, whatever salt content on it, is basically nil, as e get wash, as you move, and load the sand, the on the part as to make concrete, whit Seawater, is also fine as long as your concrete is not reinforced, and if ,...

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Experimental Analysis and Study of Sea Water and Sea Sand ,

Experimental Analysis and Study of Sea Water and Sea Sand Concrete International Journal for Research in Applied Science and Engineering Technology IJRASET, 2020 IJRASET Publication Download PDF Download Full PDF Package This paper A short summary of this paper...

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make concrete from seawater and sea sand in china

Use of sea sand as fine aggregate in concrete making, In China, where coastal areas are rich in sea sand, and are already in wide use in local concrete construction The estuaries of the rivers, which flow into the sea, also have sand depositions that have to be dredged out of ports for keeping the area free for movement of the shipsIf necessary can we make concrete with sea sand and even ,...

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Basic Mechanical Properties of Seawater Sea

Basic Mechanical Properties of Seawater Sea-sand Recycled Concrete Author s XIAO Jian-zhuang, ZHANG Peng, ZHANG Qing-tian, SHEN Jun, LI Yan, ZHOU Ying, College of Civil Engineering, Tongji University, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University Pages 16-22 Year 2018 Issue 2...

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Tests of seawater and sea sand concrete SWSSC filled ,

N2 - This paper presents a development of seawater and sea sand concrete SWSSC which is used together with fibre reinforced polymer FRP and stainless steel to form composite tubular sections Industry waste slag was used to replace Portland cement in making geo-polymer SWSSC...

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sea sand as fine aggregate in concrete

Mining Sand And Sea Sand As Fine Aggregate In Concrete Use of sea-sand and seawater in 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 dredged sea-sand has been used as a raw material in the construction industry, with over 45 of the dredged ,...

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CN110194621A

The invention discloses a kind of high-intensitive seawater sea sand regeneration concretes and preparation method thereofHigh-intensitive seawater sea sand regeneration concrete of the invention is prepared by cement, recycled aggregate, sea sand, seawater, additional water and water-reducing agent, wherein cement recycled aggregate sea sand seawater additional water the mass ratio of ,...

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Study of the influence of seawater and sea sand on the ,

With the continuous increase of infrastructural construction worldwide, the supply of river sand and fresh water for making concrete encountered enormous shortage, especially for coastal regions To alleviate this problem, researchers have started to investigate the possibility of consuming seawater and sea sand as alternativ This paper reports the results of a comprehensive study on the ,...

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Development of Concrete Made with Seawater and Un

We developed high-density and hard concrete using seawater and/or unwashed sea sand The internal organizations of that concrete was denser compared with normal concrete, and it was clear that the water-tightness, early strength, and long-term strength of ,...

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CN111153646A

The invention provides a preparation method of a seawater sea sand concrete material for 3D The invention also provides a seawater sea sand concrete product and a preparation method thereof The invention fully utilizes abundant seawater and sea sand resources in coastal regions of China, researches a novel seawater and sea sand concrete material for 3D , and solves the ,...

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Experimental Study on Internal and External Salt Attack ,

23-04-2021 0183 32 Seawater and sea-sand are potential material for concrete in marine environment This paper aimed to study the influence of internal and external salt attack from seawater and sea-sand on the performance of mortars Six groups of mortars with different salt attack types were designed The length, mass, dynamic elastic modulus and pH value of all mortars were measured in the test The ,...

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Axial compression behavior of new seawater and sea sand ,

17-11-2020 0183 32 In order to study the feasibility of applying the original seawater and sea sand concrete directly to the concrete filled composite tube, a new structure of seawater and sea sand concrete filled carbon fiber reinforced polymer CFRP -steel composite tube composed of internal and external fiber reinforced polymer FRP and sandwich steel tube was proposed...

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A review on seawater sea

Extensive studies have been conducted on seawater sea-sand concrete SSSC in recent years due to the shortage of freshwater and river-sand in many coastal areas This paper reviews the properties of seawater and sea-sand and their effects on hydration, microstructure and properties of concrete The relationship between mixture proportion and the hardening properties and durability of SSSC is ,...

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EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND AS FINE ,

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...

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Proceedings of the International Workshop on Seawater Sea ,

The resulting structures, made of FRP and seawater sea-sand concrete SSC ie, FRP-SSC structures , have the potential to offer many significant advantages, including cost-effective marine infrastructure with a longer service life, savings in material transportation costs, better protection of rivers due to reduced sand mining, and savings in freshwater which is a scarce resource on the ,...

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