How to design Pervious concrete?

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How to make selfcompacting concrete mix design using Penttala?

hi, is anyone can share SCC mix design using Penttala design method. in Excel format for Creating a SCC mix design for my rproject ?

10 November 2018 5,364 2 View

How to quantify concrete performance using different admixtures?

How can i quantify concrete characteristic performance using different type of admixtures like high range water reducing admixture, air entraining admixture , viscosity modifying admixture...

06 July 2018 3,544 5 View

Effect of Addition of phosphate in magnesium lignosulphonate in concrete?

what will happens on strength and shrinkage of concrete when magnesium lignosulphonate blend with phosphate?

09 October 2017 3,080 1 View

How to do ISAT test Calculation?

Can any one guide exact calculation for Initial surface absorption test including Cum. 2 hr Absorption (mls/m2) & Equiv. Sorptivity (mm/min1/2)?

11 December 2016 1,246 0 View

How to synthesis polycarboxylic ether?

how can synthesis polycarboxylic ether in lab of APEG & MPEG type?

07 August 2016 8,638 0 View

What is pace rate applied in flexural strength of concrete?

Is there any relation for pace rate applied in both commpressive and flexural strength ? how pace rate determined as the size changes for cube or beam ?is there any calculation to determine pace...

31 December 2015 395 3 View

Is anyone having a astm C1702?

ASTM 1702 is related to heat of hydration of cement.i want to exact procedure as per astm standard?

10 November 2015 6,763 0 View

Need help for design of Exposed concrete?

hi, i want to know about of making a exposed concrete . in this, what should be mix design as well as combined gradation graph for aggregate.and which admixture i have to used for better expoed...

08 September 2015 6,513 0 View

What is a sixth geneation polycarboxlic ether?

Need information about polycarboxylic ether of sixth generation & its chain length,density as well as performance on concrte compared with fourth generation pce.

02 March 2015 9,459 0 View

Is anybody knows about alcox as viscosity modifier?

visocity modifier used in concrte to prevent bleeding,will alcox helps as a vma?is it akkylated ether type organic product?

31 December 2014 2,007 1 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

Research Methodology - Impact of Corporate Reputation on Stakeholders Behaviors?

Please can anyone support with the survey questions based on RQ measures and propose how to do it in FMCG industry and include as well the role of brand equity Thanks

06 August 2024 949 0 View

Anyone having idea about VN primer for miRNA primer design ?

How to design VN primer to attach with universal reverse primer

05 August 2024 2,116 3 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...

03 August 2024 2,546 2 View

Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

How to Input and Analyze Results for an Asymmetrical Factorial Design in STATISTICA 13.3?

In STATISTICA 13.3, I used the Experimental Design Builder under the Design of Experiments tab to generate a design matrix for an asymmetrical factorial design (1443) with 12 experiments. However,...

29 July 2024 4,155 2 View

Pragmatic inquiry research design?

Employing a pragmatic inquiry research design, looking for published research using this method, employing qualitative research data collection methods of semi-structured interview and focus...

28 July 2024 540 2 View

How do we pick data for determination of Validation Acceptance Criteria?

Hello, colleagues! There is commenting open for new upcoming edition of USP 1033. Validation target acceptance criteria is now different from what it used to be and it doesn't include Cpm....

23 July 2024 7,292 3 View

Can a shoot-through event of a tri-state digital buffer cause momentary Hi-Z state?

// interested in the difference between floating events and short circuits.

22 July 2024 6,565 0 View

Sample size for qualitative study?

I am working on scale development in behavioral finance by undertaking a mixed-method approach using the exploratory sequential design. The phenomenon has diverse meanings in existing literature...

20 July 2024 9,153 11 View

Tumadhir Merawi Borhan

please check the attachment

Regards,

Khalid Mohammed Breesem

Please check theses references

http://www.ltrc.lsu.edu/ltc_13/pdf/presentations/S34_Pervious%20Concrete_LTC2013.pdf

Article Pervious Concrete: Mix Design, Properties and Applications

Milad Vahdatifar

please check the ACI pervious concrete report