Browse
Submit Data
Databases
API
Help

Dataset Information

11 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Data on the pozzolanic activity in coconut shell ash (CSA) for use in sustainable construction.

ABSTRACT: The data presented herein are results of the research summary of the investigation for pozzolanic activity in coconut shell ash (CSA) towards a sustainable construction. The data article provides information on the properties of Coconut Shell Ash that are indicative of pozzolanic activity as stated in ASTM C618-15 (2015) [1], BS EN 197-1 (2011) [2] and Joshua et al. (2018) [3]. The data are the physical property of the sand used in determining the binder strengths and the chemical and physical properties (oxide composition and Strength Activity Indices respectively) of the pulverized, calcined and sieved Coconut Shell Ash.

SUBMITTER: Joshua O

PROVIDER: S-EPMC5996609 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

ACCESS DATA

Json Xml

Publications

Data on the pozzolanic activity in coconut shell ash (CSA) for use in sustainable construction.

Joshua Opeyemi O Olusola Kolapo O KO Busari Ayobami A AA Omuh Ignatius O IO Ogunde Ayodeji O AO Amusan Lekan M LM Ezenduka Chidiogo J CJ

Data in brief 20180331

The data presented herein are results of the research summary of the investigation for pozzolanic activity in coconut shell ash (CSA) towards a sustainable construction. The data article provides information on the properties of Coconut Shell Ash that are indicative of pozzolanic activity as stated in ASTM C618-15 (2015) [1], BS EN 197-1 (2011) [2] and Joshua et al. (2018) [3]. The data are the physical property of the sand used in determining the binder strengths and the chemical and physical p ...[more]

PMID: 29900287

Similar Datasets

Data for bottom ash and marble powder utilization as an alternative binder for sustainable concrete construction.

Project description:In today's world where the effects of global warming are intense, alternative approaches for a sustainable concrete sector are rapidly increasing. The partial replacement of waste materials, such as bottom ash and marble powder to cement, leads to a significant reduction in carbon dioxide emissions. The expected quality of materials to be used for the concrete sector is very important in terms of building safety. New building materials and binder materials offered as an alternative are often unable to meet this requirement due to existing standards. Therefore, the existing standards should be reviewed and alternative construction materials should be provided for the sector. This dataset would be beneficial for other researchers who design sustainable concrete. Although the data presented herein deals with pure paste, the authors believe that the data can be used for mix design in the concrete construction sector to reduce the cement amount for various civil engineering projects, from low to medium strength concrete applications. The data compiled herein were obtained from the fresh and hardened properties at 7, 28 and 56 days. Physico-mechanical characterization and sulphate resistance were analyzed for laboratory produced marble paste composites. The dataset described here is the pilot study of the "High-volume marble substitution in cement-paste: towards a better sustainability" [1] and "Novel coal bottom ash waste composites for sustainable construction" [2].

| S-EPMC6997663 | biostudies-literature

Pozzolanic activity of kaolins containing aluminum hydroxide.

Project description:The addition of 10 wt% aluminum hydroxide to two crude kaolinitic clays, a commercial and a natural freshly mined one, has enhanced their pozzolanic activity, more substantially in the natural sample containing gibbsite. The obtained blends were used as replacement of 20 wt% of Portland cement in the formulations of pastes and mortars which exhibited significant decrease of setting time and increase of compressive strength from early age to 28 days. Also, SEM/EDX analyses showed very heterogeneous structures with hydrated phases identified from XRD. Specific interpretation of the role played by aluminum hydroxide revealed its aptitude to promote the formation of metastable hydrated phases (CAH10/C2AH8) at early age, which temporally inhibited the hydration of cement. This progressive transformation led to the formation of more stable hydrated phases such as C-A-S-H which favored the increase of mechanical strength of the specimens. The sequence of transformation reactions is fully obtained with limited aluminum hydroxide content in clays. Either added as synthetic or naturally occurring in clays, aluminum hydroxide has close role in the strengthening process of cement. Hence, kaolinitic clays that naturally contain gibbsite are suggested as suitable supplementary cementitious material for partial replacement of cement.

| S-EPMC7414042 | biostudies-literature

Data for the marble-cement paste composites for sustainable construction.

Project description:Waste utilization is crucial for achieving sustainability in the construction industry. This article provides data that demonstrate the possibility of industrial waste utilization in high volumes to enhance cementitious composites. This dataset could help researchers understand the cement paste composites' behavior in the fresh and hardened state. The data were obtained from the physical, mechanical, and durability tests of laboratory-produced samples. The composites were tested at 7, 28, and 90-days of hardening, according to the American Society for Testing and Materials (ASTM) standards. The obtained values were then evaluated using the DataFit curve fitting (nonlinear regression) and data plotting software. Additionally, two spreadsheets were created to help researchers calculate their weights and calculate the bulk specific gravity, water absorption, and porosity values. The detailed information related to the data described here can be found in "High-volume marble substitution in cement-paste: towards a better sustainability" [1].

| S-EPMC6811925 | biostudies-literature

Data showing the effects of vibratory disc milling time on the microstructural characteristics of Coconut Shell Nanoparticles (CS-NPs).

Project description:Coconut Shell (CS) as agricultural lignocellulosic biomaterial and agro-waste is predominantly available in India, Malaysia, Nigeria, Thailand, Sri Lanka, and Indonesia. It has proven to have effective durability characteristic, good abstractive resistance, high toughness, and good adsorption properties, and is most suitable for long standing use in many applications such as reinforcement, source of energy, fillers as well as activated carbon and its performance, efficiency and effectiveness depend wholly on whether is in form of nano-, micro-, and macro- particles. In this data, effects of milling time on morphological characteristics was experimented using Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX), and X-Ray Fluorescence (XRF) analyses. The SEM images were taken at magnifications of 1.00kx, 2.00kx and 5.00kx which gives respective 50?µm, 20?µm and 10?µm in different milling time of 0, 20, 40 and 60?mins. Digital Vibratory Disc Milling Machine (VDMM) rated 380?V/50?Hz at 940?rpm was employed for the grinding and the morphology of the milled nanoparticles were characterised. It was revealed from the data collected that 0?min (i.e. 75?µm sieved) has the highest mean area value of 16.105?µm2 and area standard deviation of 200.738?µm2 with least value of a number of particle size distribution of 809?µm. In contrast, 60?mins milled has the lowest values for mean area and area standard deviation of 8.945?µm2 and 115.851?µm2 respectively with the highest number of particle size distribution of 2032?µm. It was observed that milling time increases the number of particle sizes distributions and reduces the area of particle size.

| S-EPMC6321976 | biostudies-literature

Data showing the effects of geotechnical properties of lateritic soil mixed with coconut shell powder in Ado-Ekiti, south western Nigeria.

Project description:In this data, the effect of locally available additive Coconut shell powder (CSP) substitute in determining the geotechnical properties of Ado Ekiti soil was assessed. The samples were collected from two borrow pits, Ado-Ijan road and Ado-Ilawe road, at two points each, and were treated using substitute of coconut shell powder, considering several percentages of its content at 0%, 2%, 4%, 6%, 8% and 10%. Laboratory tests such as specific gravity, consistency limit test, grain size distribution test, compaction test, CBR test, triaxial compression test, permeability test was conducted on the soil samples collected, and untreated soil was determined. The summary shows that the liquid limit, plastic limit, Plasticity Index, Maximum Dry Density and Optimum Moisture Content increases with increase in percentage of the additive and later decrease at higher percentage of additive, mostly at 8% and 10% respectively. The value of California Bearing ratio in percentage increases as the percentage of additive increases, although at 0% additive, the soil does not meet specification of road construction and the value of permeability 'k' also increases. The summary of triaxial test also shows increase in the strength properties of the soil at certain percentage likewise, the summary of unconfined compressive strength shows same. This indicates that the additives improves the geotechnical properties of the soil samples to a certain percentage and conversely, have a negative effect on it at a higher percentage 8% and 10% respectively.

| S-EPMC6520572 | biostudies-literature

Dataset on sustainable construction practices of foreign and indigenous construction firms.

Project description:This dataset conducted a comparative analysis of sustainable construction practices of foreign and indigenous construction firms in Lagos state, Nigeria using a structured questionnaire survey. The dataset contains the level of awareness and consistency of practice of sustainable development on construction projects between the foreign and indigenous construction firms and the impact of implementing sustainable development practices. Descriptive analysis such as frequencies, percentage and mean score were used to present the quantitative data in form of tables. Further analysis of the dataset highlight the practices of indigenous and foreign construction firms in sustainable development which can be beneficial to stakeholders in environmental protection and mitigating climate change issues.

| S-EPMC6134159 | biostudies-literature

Data identification of determinants affecting the adoption of sustainable construction: The perspective of residential building developers

Project description:This data paper shows the perspectives by developers of housing on factors of the sustainable construction adoption. The Data was collected by using formal Likert scale questionnaire as main instrument. Simple random sampling was used to assign questionnaires to respondents. Data samples were evaluated using index and rating. The data will provide information on the most variables that considered as main factors for sustainable construction adoption. The importance between variables can provide information that will contribute to the expedition of sustainable practise in housing projects in Malaysia.

| S-EPMC8603009 | biostudies-literature

Acceleration of Intended Pozzolanic Reaction under Initial Thermal Treatment for Developing Cementless Fly Ash Based Mortar.

Project description:Without using strong alkaline solution or ordinary Portland cement, a new structural binder consisting of fly ash and hydrated lime was hardened through an intensified pozzolanic reaction. The main experimental variables are the addition of silica fume and initial thermal treatment (60 °C for 3 days). A series of experiments consisting of mechanical testing (compressive and flexural strength, modulus of elasticity), X-ray diffraction, and measurements of the heat of hydration, pore structure, and shrinkage were conducted. These tests show that this new fly ash-based mortar has a compressive strength of 15 MPa at 91 days without any silica fume addition or initial thermal treatment. The strength increased to over 50 MPa based on the acceleration of the intensified pozzolanic reaction from the silica fume addition and initial thermal treatment. This is explained by a significant synergistic effect induced by the silica fume. It intensifies the pozzolanic reaction under thermal treatment and provides a space filling effect. This improved material performance can open a new pathway to utilize the industrial by-product of fly ash in cementless construction materials.

| S-EPMC5503319 | biostudies-other

Analysis of experimental data of environmental cement prepared by fly ash of eggs shell and sand dune for reduction of carbon dioxid.

Project description:In the recent years, the dominant cementitious materials have been industrial by products such as fly ash. This present data describes some of the cementitious products that are attracting attention in the global research community and the properties and characteristics of these materials that affect their performance such durability, mechanically properties and reduction of carbon dioxid (CO2). The present investigation deals with the chemical synthesis of cementitious material using fly ash of eggs shell rich in calcium(Ca) and sand dune(southern west of Algeria) rich in silica(SiO2).The composition of geopolymers synthesized are the most compressive resistant with a maximum stress of 49.71?MPa, the most flexible (E?=?2.63?GPa) and the most ductile (?r?=?65.42%).The characteristic properties of the chemically synthesized cementitious materials were analyzed by the chemical composition analysis XRF, XRD and SEM analyses.

| S-EPMC7090328 | biostudies-literature

Natural Cellulose Nanofibers As Sustainable Enhancers in Construction Cement.

Project description:Cement is one of the mostly used construction materials due to its high durability and low cost, but it suffers from brittle fracture and facile crack initiation. This article describes the use of naturally-derived renewable cellulose nanofibers (CNFs) to reinforce cement. The effects of CNFs on the mechanical properties, degree of hydration (DOH), and microstructure of cement pastes have been studied. It is found that an addition of 0.15% by weight of CNFs leads to a 15% and 20% increase in the flexural and compressive strengths of cement paste. The enhancement in mechanical strength is attributed to high DOH and dense microstructure of cement pastes after adding CNFs.

| S-EPMC5179083 | biostudies-literature

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data