Concrete mixing ratio for slab in India

Concrete Mix Design As Per Indian Standard Code - Civil

  1. The common method of expressing the proportions of ingredients of a concrete mix is in the terms of parts or ratios of cement, fine and coarse aggregates. For e.g., a concrete mix of proportions 1:2:4 means that cement, fine and coarse aggregate are in the ratio 1:2:4 or the mix contains one part of cement, two parts of fine aggregate and four.
  2. al mixing is generally adopted for small-scale manufacturing.In this type of mixture, the mixing ratio and the solid component ratio are prefixed and specified.. Example: M20(1:1.5:3); Quantities of cement, sand, and aggregates are batched according to a fixed ratio of 1:1.5:3.From the above table to M25 grade, the proportion of concrete is called no
  3. Accurate concrete mixing ratio can be maintained by measuring dry materials using buckets or similar containers. Mixing ratios for making one cubic yard (27 cubic feet) of concrete having strength of 300psi: Cement - 517 pounds Sand - 1560 pound

Cement mixng ratio for slabs always depend on many factors. One the area of the slab, number of slabs and grade of concrete. Minimum grade of concrete to be used in slab is M20 - which requires 320 kags of cement / cum of concrete : this is considered as a thumb rule when we are working on estimation / costing Posted: Tue Mar 18, 2014 4:06 am Post subject: R.C.C.Mix 1:3:3. The concrete mix shall be designed based on the concrete strength that was considered in the design. Again the concrete mix design depends on various factors mentioned in IS 10262. Based on this, the mix should be proposed to the RCC contractors Table: Recommended mixes for Different Concrete Construction. Type of work. Concrete Mix Ratio. Max. size of aggregates (mm) Water for dry aggregates (liter)*. Water for aggregates condition from dry to moist batch (liter)*. Water for best consistency (liter)*. Small precast work, fence posts, poles, garden furniture and other work of very thin. 3,000 psi Concrete Mix Ratio Though it is on the lower end of the concrete strength scale, this mix ratio actually requires larger amounts of certain key ingredients. Specifically, this ratio calls for 1 part cement powder, 3 parts sand, and 3 parts aggregate One of the best concrete mix ratios is 1 part cement, 3 parts sand, and 3 parts aggregate, this will produce approximately a 3000 psi concrete mix. The strength of this mix ratio is good for most concrete slabs, footings, steps, and foundation walls

In this article we are discussing about concrete mix ratio and ideal mix concrete. Making concrete, it is important to use the correct concrete mixing ratios to produce a tough, long life, durable concrete mix. To make concrete, four basic materials you need: Cement, sand, aggregate, water, and add-mixture Material Requirement for 1 cum of concrete of different ratios. Concrete. Water & Cement Ratio. Water in litre per bag of cement. Cement (bags) Sand (Cubic metre) Stone Aggregates (Cubic metre) 1:1:2. 0.35

Breadth. Select unit Meter Feet. Depth. Select Depth/Height in inches 4.5 inches 6 inches. Grade of concrete. Select Grade of concrete M20 M25. Grade of concrete M10, M15, M20, M25 depends on ratio of Cement, Sand and Aggregate. M20 is the most common for Home Builders. Concrete Volume A lower water-to-cement ratio gives better strength. An ideal water-cement ratio for houses and other normal work with M20 concrete should never exceed 0.50 (i.e. 25 litres of water for one bag of..

Concrete Mix Ratio Concrete Ratio Concrete Proportions

Originally Answered: What is water cement ratio in reinforceb cement concrete? Water Cement Ratio, is ratio of weight of water to the weight of cement. Generally it is taken as 0.40 to 0.60 but for producing more durable concrete it can be reduced to 0.35 or even to 0.30. The strength and durability depends on the w/c (water-cement) ratio The practical best water-cement ratio is from about 0.40 to over 0.60. A ratio of 0.3 is made concrete too stiff (unless superplasticizers are used). A ratio of 0.8 makes concrete wet and fairly weak concrete. Normal compressive strengths when concrete is properly cured are Ratio used for slabs, columns, foundations, rafts and beams in residential construction is mostly M15 or 1:2:4 whereas ratios such as 1:4:8 and 1:3:6 are used for PCC (plain cement concrete) pads and flooring. How to check mortar mixing ratios on site as a layman This paste is also called as concrete. The strength of this concrete mix is determined by the proportion on which these cement, sand, stones or aggregates are mixed. There are various grades of concrete available in the market based on these ratios. Some of them are: M10, M20, M30, M35, etc. So, what really does M10 or M20 mean or represent This also because of the increase in demand for ready mix concrete too. For the next five years, an annual growth of 20% is expected in the consumption of ready-mix concrete in India. The admixtures market likely to cross a turnover of $683 million by the end of 2021 (The current impact of the pandemic situation may affect this growth)

The cement concrete mixes should be as per (IS: 456-2000). Concrete is generally classified by the method adopted for determining the proportions of cement, aggregate and water either as design mix concrete or nominal mix concrete The mix ratio is 1:4:8 (1 Cement, 4 Sand and 8 Aggregate) Application/use: - To provide the uniform surface of the foundation concrete and to prevent the direct contact of foundation concrete from the soil. 2- Ordinary grade of concrete. M10 GRADE. The mix ratio is 1:3:6 (1 Cement, 3 Sand and 6 Aggregate) It is used as PCC (Plain Cement Concrete concrete ratio for beam, column,slab ! concrete ratio for building construction ! grades of concreteHi,I am Veerendra, welcomes you to Veer Buildhouse Engine.. Share, Support, Subscribe!!! Subscribe: https://goo.gl/b8SB14Facebook: https://www.facebook.com/mkmadhuvana1Twitter: https://twitter.com/MKmadhuvanaInstagram..

Charge cement and aggregates to concrete mixer as per the mix design, mix in dry state for 1-2 minutes. Start addition of 75-80% mixing water and mix for 2-3 minutes. Dr. Fixit Pidiproof LW+ is added as per the recommended dosage into the remaining mixing / gauging water, then add to concrete mixer and mix for another 2 minutes Concrete Mix Ratio by Volume. Concrete mix ratios are prescribed ratio of cement, sand and aggregate to get the desired strength in concrete. The volumetric mix ratio of M20 concrete is 1:1.5:3, hence 1 part of cement, 1.5 part of sand and 3 part of aggregate in volume is needed to prepare M20 grade concrete

Concrete Mix Ratios - Cement, Sand, Aggregate and Wate

1.what are the mix ratio that can be use for this following concrete:slab,bathroom floors,kitchen floors,car pack,garden,masonry concrete slab,columns,foundations. 2.is it necessary that the mix ratio for columns should be different from the one for the foundation For M5 grade, the mix proportion is 1 : 5 : 10. The quantity of water required is 60 liters. In the same way, you can see the mix proportions of other grades of concrete up to M25. Up to M25, a nominal mix can be made for small-scale construction where concrete consumption is not high. For M 30 and above grades, Design Mix should be used Grade of concrete is denoted by prefixing M to the desired strength in MPa. For example, for a grade of concrete with 20 MPa strength, it will be denoted by M20, where M stands for Mix. These grade of concrete is converted into various mix proportions. For example, for M20 concrete, mix proportion will be 1:1.5:3 for cement:sand:coarse aggregates

What is the cement mixing ratio for slab? - Quor

  1. Concrete Mix Ratio. Compressive strength is the most important property of hardened concrete. It can be measured easily on standard sized cube (15 cm) and is often taken as an index of the overall quality of concrete
  2. As a quick answer, a concrete mix ratio of 1 part cement, 2 parts fine aggregate (sand) and 4 parts course aggregate will cover most general domestic jobs
  3. Slabs and floors transfer the like furniture and others to the beams which in turn transfer the load to the columns. Columns will carry the total load of the structure to the footings and finally, through footings load will be distributed to the soil. sand will be filled for at least 6 inches and plain cement concrete PCC in the ratio of 1.

We'll go into the ins and outs of mix ratios in more detail below, but to simplify, a good concrete mix ratio for a concrete floor is: 1: cement 2: sand 4: coarse aggregates (for concrete slabs) When mixing, it's important that the concrete is placed within half an hour to ensure consistency and easy placement Select an appropriate mix ratio from Table 2 and add the contents to the mixer in the following order: Half to two-thirds of water. Coarse aggregate. Sand. Cement. Add the remainder of the water until the desired consistency is reached. Mix the cement for at least two minutes after the last of the water has been added The following is a design guide for selecting proportions for initial concrete mix design for normal weight concrete. This guide references ACI 211.1-91 (Reapproved 2009), Standard Practice for Selecting Proportions for Normal, Heavy weight, and Mass Concrete, specifically Chapter 6, Procedure and Appendix 1, Metric (SI) Syste

www.sefindia.org :: View topic - R.C.C.Mix 1:3:

Requires approximately 50% less time compared to Site Mix. Requires enough space to accommodate materials and site mix machinery. Requires a road width of minimum 30 feet for smooth maneuvering of the RMC carrier vehicle. Monitoring the concrete mortar mix ratio through the process is critical. The owner should obtain the cube test report from. what would be a good ratio for portland cement, sand, and rock to make concrete for a slab for a storage shed ? The slab will be 12x18, and 4 -4 1/2 thick, with rebar. About 3 yds of mix 1. Ordinary Grade of Concrete Uses: M5, M10, M15 grades of concrete are mostly used in Plain Cement Concrete (PCC) works as bed concrete below column footing. While M20 grade concrete is used for RCC works (for mild exposure) such as the construction of slabs, beams, columns, footings, etc. 2

Recommended Concrete Mixes for Various Types of Constructio

Concrete Mix Ratio: What Is It? What Is 1-2-3? And More

  1. Number of Cement bags required for a specific cement concrete ratios. For cement concrete of ratio 1:1:2 (1 cement:1sand/coarse sand:2graded stone aggregate) require 11no bags of 50kg. For cement concrete of ratio 1:1.5:3 require 7.8no bags of 50kg. For cement concrete of ratio 1:2:4 require 6 no bags of 50kg. For cement concrete of ratio 1:3:6.
  2. Water should not be added to concrete delivered in equipment not acceptable for mixing. Testing samples should be taken after any necessary adjustment. Concrete for floor and slab placement can be delivered directly from a truck mixer chute to the formwork, or by pump, belt conveyor, buggy, crane and bucket, or a combination of these methods
  3. Mix proportion of sele cted mix de sign TR9 implemented at site for RC C struc tures i.e., Base slab, Roof slab and RCC walls and total 32508 cum concre te quantity is exec uted from 18th March.

Concrete Mixing Ratios - How To Make Concrete (Cement

prescribes a standard concrete mix ratio that he thinks will produce the required concrete. He may also indicate the type and size of aggregate to be used. The Builder/site engineer prepares the mixes based on the ratio that has been prescribed. 2.1.3 Designed Mixes In these mixes the performance of the concrete is specified by. check grade of concrete specified for column, after knowing the grade of concrete you know required characteristics strength.. now you can follow guidelines for concrete mix to design concrete for particular strength, whatever you are doing take help of locally available concrete professional

Screed mix ratio - Floor screeds even on a concrete slab are laid each time a developer has finished the slab concrete. Nevertheless this is after all other building elements are complete. If experts the whole process of constructing a new building or indeed planning renovations one thing which is questioned and a vital point of focus stands out as the flooring Material Required for M 30 Concrete. Cement OPC 53 Grade. Crush Sand. Coarse Aggregate 10mm. Coarse Aggregate 20mm. Concrete Admixture. Potable Water. In the Above Image, we are given the format of M30 Concrete for Manual Making on-site. but you should be very careful while it is making on-site because the Concrete making process depends on its. S6 800 x 1200 25° 1.50 Four points The water cement ratio of concrete mix was 0.50 and the concrete mix ratio was 1: 2.30: 2.65 (by weight) of Cement : Sand : Stone Chips. The form works for the test slabs were made of steel plate and boundaries formed with steel angles STANDARD GRADE OF CONCRETE. M25 GRADE. Mix ratio is 1:1:2 (1 Cement, 1 Sand and 2 Aggregate) Its is used as RCC (Reinforced Cement Concrete) Application/use:- It can be used in construction of Slabs, beams, columns, footings, etc. M30 GRADE. It is used as RCC (Reinforced Cement Concrete A concrete mix of 1 part cement : 2 parts sand : 4 parts coarse aggregate should be used for a concrete slab. Concrete must be placed within half an hour of mixing. Place your concrete into your formwork; work the concrete into awkward places and corners using a shovel or trowel

Concrete Mix Ratio And Their Tpyes - 2020 Guid

  1. Whether you hand mix concrete in a plastic tub, homemade mixing tub or wheelbarrow, the technique is the same to find the right concrete mix ratio. However, it's easier to move and dump concrete that's mixed in a wheelbarrow. For larger jobs, you could rent a mixer ($35 per day), but it may be more economical to simply order ready-mix concrete
  2. Concrete is made from cement, sand, gravel and water. In making concrete strong, these ingredients should usually be mixed in a ratio of 1:2:3:0.5 to achieve maximum strength. That is 1 part cement, 2 parts sand, 3 parts gravel, and 0.5 part water. (See figure 6). (A ''part'' means a unit of measure. Technically, it should be based on weight.
  3. In terms of the ratio for concrete, it depends on what strength you are trying to achieve, but as a general guide a standard concrete mix would be 1 part cement to 2 parts sand to 4 parts aggregates. For foundations, a mix of 1 part cement to 3 parts sand to 6 parts aggregates can be used
  4. Concrete Mix Ratio for a C20 and C20P (Portland) Mix. The proportions of materials for a C20 and C20P (P = Portland cement) concrete mix are: If you are mixing up several batches of concrete to form the floor slab of a new extension then it is absolutley essential that each mix is exactly the same as the last
  5. Calculate cement concrete mix design or estimate how much cement concrete volume is required for your construction using our free online calculator. Know exactly how many bags, kg and ton of cement, sand and aggregate is needed of specific cement, sand and aggregate ratio (m20, m15, m10, m7.5
  6. A concrete mix of 1 part cement : 2 parts sand : 4 parts coarse aggregate should be used for a concrete slab. 4. Placing the Concrete. Concrete must be placed within half an hour of mixing. Place your concrete into your formwork; work the concrete into awkward places and corners using a shovel or trowel
  7. Ready-mix concrete - Ready-mix concrete is concrete that is mixed at a central mixing plant and brought to the construction site in a ready-to-use condition. One should take care of the time required for transportation while using ready-mix concrete as the mixture can harden if there is an undue delay

Calculators HeidelbergCement India Limite

Concrete Calculator for Slabs Online Birla A1 Cemen

Methods Of Mixing Concrete. Mixing can be done manually with your hands or a concrete mixer. If you are going to be preparing more than one batch of concrete, ensure that they are equally wet. Otherwise, the concrete will not get dry evenly. This may leave some cracks and shrinkage in your concrete. 1. Mixing Concrete By Han Concrete Mix Design and Quality Control Software Management System StonemontQC includes a powerful concrete mix design and quality control software program for concrete producers. StonemontQC is fully integrated with the aggregate portion allowing for mix component properties to be easily kept current with data from aggregate plants Usage/Application: Construction. Drum Capacity: Unmixed 10 cft.Mixed 7 cft. Automation Grade: Semi-Automatic. Concrete Mixing Time Sec: 180 seconds approx. Drum Speed Rpm: 20 RPM. Dimension: L-2900 x W-2000 x H-2600 m 25. KAS-2012 25 Mixing time In small machine, mixing time varies between 1-2 minutes In Ready Mix Cement mixer - 15-30 seconds RPM of drum : 15-20 Compressive strength of concrete increases with increase in mixing time but after 2 minutes increase in compressive strength is not significant. 26

For a strong building, get the right mixture - The Hind

In any construction, the concrete slabs are one of the most basic of the structures and they give the building the shape and strength they need. And, in this article, we are going to discuss the various types of cement used for concrete slab construction and understand which is the best cement for slab in India. Best Cement for Slab Constructio A mix ratio of concrete is prepared according to the required strength of structure like column, beam, slab, etc. we can also take example of large structures like a bridge, culvert, dam, etc. The structure which required to carry more load need high strength of concrete and low load need low strength of concrete to make structure economical Here M is grade of mix ratio and numerical value 5, 10, 15, 20etc are strength of concrete in KN/mm². So, if we have M20 grade concrete then we can say that its grade is 20KN/mm². And mix proportion is 1:1.5:3 which indicates that in this types of mix ratios 1 part is cement, 1:5 part is sand and 3 part is aggregate has been used to make. What is cement, sand, aggregate ratios in concrete mixing. 12 Sep 2018 11 Sep 2018. The concrete shall be in grades designated Group Grade designation Characteristics compressive strength of 150 mm cube at 28 days, N/mm2. Ordinary Concrete---M10 M15 M20 Standard Concrete---M25 M30 M35 M40 M45

Which is the best cement and m-sand mixing ratio for

These concrete mix ratios for 3000, 3500, 4000, and 4500 psi concrete come from the ready mix concrete company I use to pour concrete floors, slabs, patios, pool decks, and stamped concrete. I'm going to show you the actual batch plant ticket they give me when the concrete trucks show up on the job and we pour the concrete Please am casting a mass concrete slabs of 48cum using the ratio 1:5:6. And 30 liters of water per mix. But in the end, I can't get how many bag of cement per slab I use, I just had to be counting the bags manually

Water Cement Ratio Watercement Ratio Water Cement

Floor slabs in concrete buildings are classified into two basic types, based on the load distribution applied on the Reinforced Concrete slab: Two-way slab, in which the rectangularity ratio (slab length/width) is between 1 and 2, and the slab load is transferred to the supporting beams in two directions.Two-way construction includes flat. Checking slab deflection is included in the beam design section of BS 8110 Part 01. The deflection can be checked by two methods. If you know the maximum deflection for the relevant load case, we can check whether it is with in the limit. Code gives the maximum limits of deflections base on the spans. Other methods of check the deflection is. Concrete Mix Proportions - Batch per 50 Kg Bag of Cement : Mix Strength: Cement: Sand: Stone: Stone Size: Water: Yield: Super High Strength Concrete - 40 MPa (Pre-cast pre-stressed concrete lintels, beams, Concrete slabs, Floor bearers, Concrete pipes & Bridges) 33 liter (50 Kg Cement) 50 liter: 50 liter: 9.5mm to 13.2mm: Control Water - Use. compressive strength and a range of w/c ratios are specified for a given concrete mix. Possible requirements for resistance to freeze-thaw and chemical attack must be considered. Therefore, a balance or compromise must be made between strength and workability. Basic Considerations CIVL 1112 ACI Mix Design 2/1

Mortar Concrete ratios for brickwork plaster slab columns

  1. Step 4: Mix, Pour and Cure. Once you've properly applied your bonding agent, you're ready to mix up your new concrete and pour it into the mold. Ideally, you should choose a similar concrete mix ratio to your old concrete slab. This will help the new and old slabs work together effectively when mitigating both lateral and horizontal pressure
  2. ology A/F ratio — the molar or mass ratio of alu
  3. Concrete Mix Design: When specifying small batches of concrete, the mix is generally expressed by volume. For example, a 1:3:5 mix consists of one part cement, three parts fine aggregate (sand), and five parts coarse aggregate (crushed rock or bank-run gravel). Concrete Mix Ratio Concrete Mix Design Concrete Forms Concrete Cement Concrete.
  4. imum slab thickness of 150 mm. Concrete If you mix the concrete for the slab yourself, the proportions shown in Table 1 should be used. Table 1: Concrete mix proportions for production slab The amount of water is not given in the table because it depends on the materials used. Use enough water to mak

Concrete mix ratio for various grades of concrete

mixed concrete. it gives an indication of the water content, and the workability of the mix. slump is one of the properties specified when concrete is ordered. Water-cement ratio The ratio of the mass (a scientific measure of the weight) of the water in the concrete to the mass of the cement in the concrete, mortar, render or grout A concrete ratio of 1 to 2 to 4 for cement, sand and ballast produces a much stronger class 20 concrete , mostly used for suspended slabs, beams and columns, which are self supporting. In Kenya, the fundis and contractors mix 1 bag of cement to 3 wheelbarrows of sand to 4 wheelbarrows of ballast Highly workable concrete is self-compacting concrete. Water cement ratio for this type of concrete is more than 0.55. Read Also: Top 10 Best Cement Companies In India 2021. Read Also: Difference Between Shallow Foundation and Deep Foundation. Factors affecting the workability of Concrete 1. Cement Content ratio

Mix water with the cement, sand, and stone, which will form a paste that will bind the substances together until the mix hardens. Alter the materials, as the strength properties of the concrete are inversely proportional to the water/cement ratio. The more water you use to mix the very fluid concrete, the weaker the concrete mix A handy guide is any amount of concrete under 0.1m 3 you can easily mix yourself using bags of Cement Australia Concrete Mix. For jobs between 0.1m 3 and 0.5m 3 then consider mixing your own using Cement Australia's Builder's Cement , sand and aggregate The mixing ratios are extremely important and must be strictly adhered to in order to produce a strong, long-lasting material for your project. The four basic components should be mixed at the following guidelines in order to produce 3000-PSI concrete: one part Portland cement, three parts sand, three parts aggregate, and one part water The concrete ratio is usually calculated differently depending on where and what we will use the concrete for. The so-called classic ratio for cement mix is called the 1-2-3 concrete-mix. This means that the ratio is supposed to be made from 1 part cement powder, 2 parts sand, and 3 parts washed aggregate. We can also add water to the mix to.

Usage/Application: Construction. Drum Capacity: Unmixed 10 cft.Mixed 7 cft. Automation Grade: Semi-Automatic. Concrete Mixing Time Sec: 180 seconds approx. Drum Speed Rpm: 20 RPM. Dimension: L-2900 x W-2000 x H-2600 m Importance of Aggregate Gradation of concrete slab. Aggregate is commonly considered inert filler, which accounts for 60 to 80 percent of the volume and 70 to 85 percent of the weight of concrete. Although aggregate is considered inert filler, it is a necessary component that defines the concrete's thermal and elastic properties and. About Concrete Patios. Durable, attractive, long-lasting and easy to keep clean — these are the advantages of a concrete patio. Unlike paving bricks or patio slabs, a poured concrete patio greatly reduces gaps and cracks that can lead to weed growth and ant infestations.. It's a big job to pour a patio properly and you don't want to skimp on quality. . Follow these guidelines and your. Concrete curing is most dependent on how much water is added to the mix. Too much water, and the concrete will be very porous, leading to cracking and chipping. Not enough water, and the cement and aggregate won't combine together. High water-to-cement ratios are used when concrete needs to be fresh and malleable while curing A properly designed mixture possesses the desired workability for the fresh concrete and the required durability and strength for the hardened concrete. Typically, a mix is about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water. Entrained air in many concrete mixes may also take up another 5 to 8 percent

2. The testing of concrete 7 3. Mixing water in concrete 11 4. Vibration of concrete 13 5. Evaporation of bleed water from concrete 16 6. Curing of concrete 18 7. Hot and cold weather concreting 22 8. Cracks in concrete 24 9. Concrete delivery requirements 28 10. Safe handling of concrete 36 11. Products 38 12. Glossary of terms 42 13 Most require minimal surface preparation (over clean, sound concrete) and last for years with minimal maintenance. Depending on the type of overlay, material cost per square foot will run $0.70 to $1.50. Integrally colored concrete remains a staple in the world of decorative concrete

Cement Standards and Concrete Standards. ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates Concrete has a low water-to-cement ratio and is a thinner consistency than mortar. Concrete is often reinforced with steel when used a structural support of a building. I can not use concrete mix as a filler to level the slab, because slab is not flat. one side is 1.5″ higher than the other side. Thanks. Reply. Weaver's Ace Hardware says. 5 The concrete must be well compacted around the bars. 6 Concrete should be at least C20 or 1:2:4 nominal mix and have a maximum aggregate size of 20mm. Concrete floors are sometimes reinforced with welded steel mesh or chicken wire, placed 25mm from the upper surface of the concrete, to limit the size of any cracking Hyper Tufa, is mixing Portland cement not concrete together with peat moss for a light weight mix, makes great pots and bricks for garden borders. You can also mix concrete with pearlite to make a light but very insulated concrete slab. I used this mix for the cladding over the fire bricks on my bread oven Slabs should be cast monolithically with a mix as follows: portland cement, 1 part by weight, three-eighths inch and smaller pea gravel, 3.2 parts by weight, and concrete sand, 2.3 parts by weight. Water should be carefully controlled to hold the slump as low as practicable for workability. In placing the concrete, usual procedures should be. Plastic Concrete: Building Bricks Made From Landfill Waste. Plastic Concrete. 1 of 3. Recent RPI Masters of Architecture graduate Henry Miller has devised a way to reuse waste plastic as an.