(PDF) Assessment of Fine Aggregates from Different
Assessment of natural sand being used as fine aggregate for concrete production in Ibadan and its environs was carried out. Ten sources (F1 – F10) were selected for the study; four (F5, F6, F7 ...
A SOLUTION TO THE PROBLEM OF RECYCLED CONCRETE AGGREGATES …
There are a whole lot of construction and demolition waste being generated in Port Harcourt area of Nigeria due to rapid infrastructural development in the area. ... Recycled co ncrete aggregate ...
(PDF) Investigation into Strength Properties of Polymer-Sand Aggregate …
The p olymer sand aggregate co ncrete was prepared b y mixing reprocessed . ... sachet water bags forms a very big chunk in the plastic waste materials and environmental pollution in Nigeria. The ...
Review Of The Use Of Construction And Demolition Waste In …
In Nigeria, over 15 MT of solid wastes are generated annually from construction industries, which include wasted sand, gravel, bitumen, bricks and masonry concrete (Otoko 2014). A careful ...
Using recycled concrete aggregates in precast concrete …
While the acquired knowledge about the use of recycled aggregates in new concrete mixes is fairly large, the use of such aggregates in the production of concrete blocks is very limited. This research aims to study the influence of the use of recycled aggregates in precast concrete hollow blocks on their compressive strength.
(PDF) Performance Evaluation of Laterite Rock Concrete
Particular mention must be made of the N iger Delta region of Nigeria where oil and gas ... implies that less water is available for mixing especiall y for the porous laterite aggregate-cum-co ncrete.
(PDF) Determination of a sustainable concrete floor and ramp …
3.3 Analysis and Discussion of Co ncrete Flooring. 1. Analysis concrete floor pit shelter is. Figure 6: Extended pit shelter floor plan ... Building materials prices in Nigeria 2019. http:/ /
Cost of Sand and Stones per Ton in Nigeria
Navigating the construction materials market in Nigeria requires a comprehensive understanding of the types, prices, and sources of sand and stones. By considering these factors, builders can make informed decisions for successful construction projects. Sponsored Links
(PDF) Exploratory Study of Periwinkle Shells as …
For example, a study by Elliot-Richardson and Fuller (2013) reports that, seashells are useful in making aggregate and the practice started in the early 18 th Century.
Diversifying Aggregate Sources in Northern Nigeria: A …
Recycled concrete, burnt clay bricks, recycled aggregates, palm kernel shell, and broken tiles have been identified as potential alternatives, either as partial or full replacements …
EFFECTS OF AGGREGATE SIZE ON CONCRETE STRENGTH
Aggregate gradation plays an important role in concrete mixing. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by …
(PDF) Use of Waste Tyre as a Partial Replacement of Fine Aggregate …
Concrete mixes were prepared using a mix proportion of 1:2:4 (cement: fine aggregate: coarse aggregate) at water-cement ratio of 0.5 targeting a design strength of 20 MPa.
Determination of Tolerance Limit of Silt and Clay Impurities …
Five samples of fine aggregates were taken from five different locations within Ado-Ekiti, Ekiti State Nigeria. The percentage of silt/clay in each sample was determined by sieve analysis test in ...
(PDF) A Review of Some Agricultural Wastes in …
A review of agricultural wastes available in Nigeria that is suitable for use in concrete industry, in order to attain sustainability in structural concrete production and practice, is presented ...
Diversifying Aggregate Sources in Northern Nigeria: A …
Several materials were found to have the potential to replace natural aggregates, including palm kernel shell, crumb rubber, glass cullet, plastic waste, burnt …
(PDF) Comparative Analysis of Concrete Strength Made
In Nigeria, the most widely used cement strength class are 32.5 and 42.5 Portland limestone cement. However, due to lack of awareness, scientists and researchers are reporting the use of PLC as ...
(PDF) A Comparative Study of the Methods of Concrete Mix …
method of co ncrete mix design is ... for cem ent in Nigeria ... Assessment of foundry sand as a replacement for fine aggregate on fresh and hardened characteristics of concrete revealed that ...
Analysis of Over-burned Brick in Concrete as a Coarse Aggregate
natural stone aggregate co ncrete at 0.45 and ... were compared with concrete made with river wash gravel as coarse aggregates which at present is the only coarse aggregate in Makurdi, Nigeria and ...
(PDF) ASSESSMENT OF CONCRETE AGGREGATES IN IBADAN, NIGERIA …
The use of substandard materials, deficient quality concrete has been identified in the literature as the leading cause of building collapse in Nigeria. Aggregates strongly affect the concrete's ...
(PDF) The Use of Periwinkle Shell Aggregate Concrete in
In Nigeria, the particle . sizes larger than 4.75 mm (coarse aggregates), ... concrete is similar to that of classical granite co ncrete. Gravel obtain from t he river is a lso a .
ASSESSMENT OF STEEL SLAG AS REPLACEMENT FOR …
A CTA TECHNICA CORVINIENSIS – Bulletin of Engineering Tome XI [2018] | Fascicule 4 [October – December] 141 | Fascicule 4 The steel slag chemical compositions results of Khafaga et al., (2014) and Gokul et al., (2012) falls within the acceptable limits reported by Abrol et al., (2016), Kothai and Malathy (2013), Kothai and Malathy (2014) and …
Cemex Concrete
CEMEX CONCRETE Nigeria is one of the largest producers of ready-mix-concrete in Nigeria, with customers across Major Nigerian Cities. All our concretes are produced under strict quality control of raw materials and monitored with the most modern technology.
(PDF) ASSESSMENT OF QUALITIES OF COARSE AGGREGATE …
ASSESSMENT OF QUALITIES OF COARSE AGGREGATE USED IN CONCRETE PRODUCTION IN ANAMBRA STATE, NIGERIA. March 2016; DOI: ... a crus hed co ncrete sp ecimen should conta in some a ggre gate par ticl es ...
(PDF) Effects of Partial Replacement of Normal Aggregates with
In our study, we have replaced the Fresh Coarse Aggregate of Concrete by 0%, 25%, 50%, 75% and with Recycled Coarse Aggregates (RCA) which we have collected from demolished old concrete. We ...
Prospect of Recycled Coarse Aggregate for Concrete Production in Nigeria
Covenant Journal of Research in the Built Environment (CJRBE) Vol.2, . June, 2014. Prospect of Recycled Coarse Aggregate for Concrete Production in Nigeria By O. J. Ameh 1 & U. E. Edike 2 1 Department of Building, University of Lagos, Akoka, Yaba, Lagos, Nigeria 2 Department of Building Technology, Bells University of Technology, Ota, …
Stabiltiy of groundnut shell (GSA)/ordinary Portland cement …
The materials us ed in this project were groundnut s hell ash, sand (fine aggregate), gravel (coarse aggregate), cem ent and water. The good quantity of ground shell is readily gotten form the ...
Mechanical Properties of Concrete using Bida Natural Aggregate …
Assessment of co ncrete aggregates in . ... Assessment of asphalt concrete used for pavement construction in southwest Nigeria was carried out to determine the causes of untimely failure of newly ...
Prospect of Recycled Coarse Aggregate for Concrete …
In Nigeria, there is no record of recycled concrete or coarse aggregate remediation but in recent time, recycled coarse aggregate has become a major source of financial relief …
Lafarge Africa Plc
Our range of aggregates, from sustainably sourced materials to recycled construction and demolition waste, provide the raw materials for concrete, masonry and …
(PDF) EVALUATION OF PALM KERNEL SHELL AS A PARTIAL
The high cost of conventional building materials is a major factor affecting housing delivery in Nigeria. This has necessitated research into alternative materials of construction.