Welcome to Proteus Equipment

Asphalt Equipment & manhole lifters

Proteus Equipment has been supplying equipment for the road surfacing industry since 1985, and is now the leading supplier of asphalt Hot Boxes, asphalt duvets, and environmentally-friendly fluids. 

We also sell concrete duvets for various insulation applications, and a wide range of manhole covers lifters designed to lift covers quickly and safely.

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Man Hole Cover Lifters

Proteus has been the market leader in providing mechanical and hydraulic manhole cover lifters for the last 20 years, and we can use our experience in the field to provide solutions to all your manhole lifting problems.Lifting manhole covers isn’t as easy as you’d expect, due in part to the vast array of different keyholes available on different types of cover, and differing sizes of covers coupled with awkward locations.

Concrete mix ratio for various grades of concrete

Dec 08, 2017 · You can also watch our video here: Video on concrete mix ratio of various grades of concrete. Concrete mix ratio table. Here is the standard chart table showing various grades of concrete mix design along with their respective ratios of cement, sand and aggregates required.

Concrete mixer

Trucks weigh 20,000 to 30,000 pounds (9,070 to 13,600 kg), and can carry roughly 40,000 pounds (18,100 kg) of concrete although many varying sizes of mixer truck are currently in use. The most common truck capacity is 8 cubic yards (6.1 m 3). Most concrete mixers in the UK are limited to a speed of 56 miles per hour (90 km/h).

Styrofoam Concrete : 5 Steps (with Pictures)

Styrofoam Concrete: There are many concrete projects, such as benches for sitting and walkway fill, that can be made using light-weight Styrofoam Concrete. By substituting Styrofoam trash for store-bought gravel in the concrete mix, one saves on not only weight, but...

Concrete Calculator - how much concrete do you need in yards

Free online concrete calculator for your construction projects. Calculate the required weight and volume of readymix concrete you need for your wall, column, steps, slabs, footings, and others. Easy to use calculator for how much concrete you need in cubic feet, cubic yards, cubic meters, tons, tonnes, as well as bags of concrete of different sizes.

Cement Standards and Concrete Standards

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 MIX WITH AIR 25 MPa, 30 MPa, 35 MPa or 40 MPa

CONCRETE MIX WITH AIR 25 MPa, 30 MPa, 35 MPa or 40 MPa DESCRIPTION: CONCRETE MIX WITH AIR is a pre-blended mix of fine and coarse aggregate and Type 10 Portland cement packaged in 30 kg sacks and in one cubic yard (.76 m3) bulk bags.

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Aggregates for Concrete

The important characteristics of aggregates for concrete are listed in Table 5-2 and most are discussed in the following section: Grading. Grading is the particle-size distribution of an aggregate as determined by a sieve analysis (ASTM C 136 or AASHTO. 80. Design and Control of Concrete Mixtures EB001. Table 5-1. Rock and Mineral Constituents ...

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Concrete Mixers - Concrete Mixer Machine Latest Price

Truck mounted concrete mixer pump,diesel concrete mixer pump... Concrete mixer - mechanical clutch type sales call; How to mix concrete : how to mix concrete with a power mixer; Concrete mixer machine 1 bag 3 bin with digital weight displ... Cement Concrete Mixture Manufacturers And Exporters

Compressive Strength of Concrete | Cube Test, Procedure

May 18, 2018 · Compressive Strength of concrete is defined as the Characteristic strength of 150mm size concrete cubes @28 days. Compressive strength of Concrete and its importance:-As we all know that concrete is a mixture of sand, cement, and aggregate.

Concrete Mix Design | Different Grades of Concrete

May 17, 2017 · Concrete Mix Design:-Concrete is a composite mixture which consists of Cement, Sand and Aggregate. Concrete mix design is the procedure for finding the right quantities of these materials to achieve the desired strength. Accurate concrete mix design makes concrete construction economical.

Seven Must-Use Concrete Admixtures (Additives)

Nov 20, 2019 · Admixtures are added to concrete batch immediately before or during mixing concrete. Concrete admixtures can improve concrete quality, manageability, acceleration, or retardation of setting time, among other properties that could be altered to get specific results.

Methods of Concrete Mix Design: 5 Methods

The reference concrete mix or accelerated strength of concrete mix has w/c ratio as 0.35 and workabi­lity very low with slump 0 to 10 or compacting factor 0.8 with the available cement i.e. (cement in hand). The nominal maximum size of natural crushed aggregate should be 10 mm and fine aggregate should conform to zone II of table 4 of IS-383-1970.

Steel Fiber Concrete Slabs on Ground: A Structural Matter

cracking (not visible microcracks) of the concrete matrix. Because fibers of different size s become efficient at different stages of the cracking process, however, a hybrid combination of short and long steel fibers may enhance the concrete Title no. 103-S58 Steel Fiber Concrete Slabs on Ground: A Structural Matter

Chapter 19: Concrete, NYC Building Code 2014

d. Amount of fly ash or other pozzolans conforming to ASTM C 618 in a given concrete mixture can be increased to 35% provided that the concrete is not placed during cold weather as defined by ACI 306 or that the concrete is membrane cured and protected from …

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Shear behavior of high- strength self-consolidating

concrete mixtures of similar compressive strengths. The push-off test is a small-scale concrete test that allows the researcher to determine the shear stress that can be carried across a crack for a given concrete mixture. The results from both studies are summarized here. Myers et al. reported that the coarse aggregate fraction and

Concrete Mixers: What You Need To Know

It is dangerous to overload a concrete mixer, and could ruin the concrete, so be sure to mix it in batches that fit the mixer’s capacity. Mix Concrete Correctly. As you mix the concrete, it is very important that it isn’t too wet or too dry, it won’t be easy to work with and could actually ruin your project, as it won’t dry correctly.

How to mix cement to make mortar or concrete

Aggregates (if making a concrete mix) Don’t get mortar mix confused with a concrete mix, they don’t contain the aggregates necessary to get the correct thickness and strength of concrete. Amounts of each material depend on the size of the job and how much mortar or concrete you want to mix.

Concrete Mixers | Frozen Custard Ice Cream & Candy Mix-ins

A concrete mixer is like an ice cream shake with toppings mixed in– it combines scoops of fresh custard with candy, fruit or nuts, served with a blue spoon. View all now.

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9/28/1971 · COMPOSITE MIXTURE BATCHING ... corresponding to a concrete mixture with water, cement and gravel as basic components. ... tapping K s1 of the potentiometer A s is adjusted until the indicator I s1 indicates the desired percent of stones of size S 1, for example the smallest size. b.

Effects of shape and size of aggregates in concrete

Effects of shape and size of aggregates in concrete. Q. How does the shape and size of coarse aggregates affect the properties of concrete? A. Aggregate shape and surface texture influence the properties of freshly mixed concrete more than the properties of hardened concrete.

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Concrete Mix Attributes, Instructions and Slumps

Mar 19, 2019 · Select the maximum aggregate size, the larger the aggregate of the concrete mix, the better for minimizing shrinkage and curling. Using ACI table 6.3.3, estimate the water and air content. Select the water-cement ratio for the concrete mix. Calculate the cement content by dividing the water content by the water-cement ratio.

Different Types & Sizes of Aggregate for Concrete

Aug 11, 2018 · The usual range employed is between 9.5mm and 37.5mm in diameter.  Typically the most common size of aggregate used in construction is 20mm. A larger size, 40mm, is more common in mass concrete. Larger aggregate diameters reduce the quantity of cement and water needed because of its lower Voids. Concrete Mixers: Tools & Home Improvement

Online shopping for Concrete Mixers from a great selection at Tools & Home Improvement Store. ... See Size Options. ... Speed Mixer concrete tool is ideal mixing tool ...

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