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.

We offer the highest QUALITY equipment

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Why Choose Us

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.

Type S, N, and M Masonry Cement and Mortar

CEMEX’s Type N Masonry Cement, Type S Masonry Cement and Type M Masonry Cement are specially formulated and manufactured to produce masonry mortar. The masonry mortar is often used in brick, concrete block and stone masonry construction; it is also used to produce stone plaster.

Specified Compressive Strength of Concrete Masonry, f'm (psi

Specified Compressive Strength of Concrete Masonry, f’m (psi) NOVEMBER 2012: This Bulletin serves to remind whoever is placing the order for concrete masonry units to first review the contract documents (drawings and specifications) to see what the designer (typically, the structural engineer) has specified for f’m and mortar type.

Durability and strength of bond between mortar and brick

maximathetensilestrengtho(themortarratherthanthedegreeof adhesion o( it to brick wasmeasured for. after breaking, practically as much mortaradhered to one brickas adhered totheother.In

Masonry Veneer Systems

Non-Insulated Masonry Veneer Systems are exterior cladding systems that feature MaxGrip Veneer Mortar, a high-strength, specially formulated setting bed mortar used to adhere natural and manufactured stone, ceramic tile, and thin brick veneer.

Concrete Block Vs. Brick

Jul 17, 2017 · Brick and block are both relatively strong materials, but their strength in a wall is affected by the type and quality of mortar holding them together. According to the Masonry Advisory Council, all concrete blocks must have a minimum compressive strength of 1900 pounds per square inch. Many dense blocks are stronger than this.

Block Mortar Calculator

Then, calculate the number of bricks by multiplying the square footage by the number of bricks per square feet. Our brick calculator can help with this. You’ll need roughly 6.9 modular bricks per square foot, so multiply 6.9 times the square footage to find the number of bricks needed. Step Three: Estimate Mortar

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Mortar (masonry)

Mortar is a workable paste which dries to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, and sometimes to add decorative colors or patterns to masonry walls. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud bricks.

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Compressive strength and elasticity of pure lime mortar masonry

2015/02/06 · The procedure and findings of an experimental campaign for the mechanical characterization of brick masonry with lime mortar joints are presented. The campaign includes the determination of the properties of the constituent materials and of the resulting masonry composite. The masonry consisted of masonry stack bond prisms made of solid clay bricks and two types of pure lime/sand mortar…

How To: Repoint Historic Mortar

Dec 05, 2016 · Learning how to repoint historic mortar is an important part of maintaining any masonry structure. Whether it’s built with brick, stone, or block, any historic masonry building with lime mortar will need some amount of repointing during its life.


essential to minimise ingress of water and moisture. The interface of the masonry unit and the mortar is usually the most vulnerable part of the masonry construction to the ingress of rain. Bond strength is required to withstand tensile forces due to wind, structural and other applied forces, movement of the masonry units and temperature changes.

Masonry: Assessing Strength and Condition

Masonry: Assessing Strength and Condition The strength of existing masonry is frequently required when modifications are to be made to a building (be it creating an opening, inserting a padstone to support a beam or adding ...

What is Brick Masonry? (with pictures)

Mar 22, 2020 · Brick masonry is the process of constructing a building from individual bricks laid in a specific pattern and bound together, usually by mortar. Occasionally, the term is also used to refer to the brick units themselves. Masonry is considered a durable construction method, and brick is one of the ...

A Historical Survey and Analysis of the Compressive Strength

The results of prism tests have shown that mortar has a small effect of the compressive strength of a masonry wall and compressive strengths of the masonry units controls the engineered strength. - The mortar is in a thin horizontal layer perpendicular to the load and any failure is similar to confined compression, so it has little effect.

Verifying Compressive Strength of Masonry

They have one table for clay masonry and one for concrete masonry and each give the compressive strength of the assembly based on the strength of the unit and the type of mortar. If the wall is grouted, then the grout simply has to comply with ASTM C476, Specification for Grout for Masonry, or be the same strength as the specified strength of ...

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Prediction of Compressive Strength of Stabilized Earth Block Masonry

On the other hand, brick strength and mortar strength are readily available as data or can be obtained easily by performing laboratory tests. Therefore, many researchers have developed an empirical expression relating the compressive strength of the brick/block unit, mortar, and masonry [4–16].

Standard Test Methods for In Situ Measurement of Masonry

Note 1: The masonry mortar joint shear strength index obtained by this test method can be related to the masonry wall shear strength by relationships contained in referencing Codes and Standards. For example, formulas relating shear index to wall shear strength are found in Chapter A1 of the International Existing Building Code and Chapter 11 ...

Strength of Masonry Mortar

Strength of Masonry Mortar Field testing of mortar is typically included in project specifications to measure quality control of the project. Typical field testing of mortar often references ASTM C 780 and C 270 outlined in ACI 530 Building Code Requirements for Masonry Structures.

Masonry Design Guidelines

Where shelf angles are used to hold the masonry, you can specify a shelf angle unit (aka - lipped brick) to hide the shelf angle. You still need to have an opening for the control joint where you put your sealant, but it will have the same dimension as the other mortar joints.

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Masonry & Mortar Cement

Lafarge Masonry Cement is specially formulated to ensure a uniform product and color to produce quality masonry mortar for use in brick, block, and stone masonry construction. Lafarge Canada Inc. manufactures Types N and S masonry and mortar cements. Lafarge masonry cement eliminates the need to field proportion materials.


and coefficients of variation, COV) for the brick units and masonry are listed in Table 1, where it can be seen that the quality of the masonry is typical for the mortar mix used. Table 1 – Material Properties Mean COV Brick unit: Flexural tensile strength, fut 3.55 MPa 0.27 Young’s modulus 52,700 MPa 0.35 Masonry:

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Influence of bond types on brick masonry strength

Influence of bond types on brick masonry strength *Takahiro Taguchi1) and Carlos Cuadra2) 1), 2) Department of Architecture and Environment Systems, Akita Prefectural University, Yurihonjo, Akita 015-0055, Japan 1) [email protected]

Guide Specifications for Brick Masonry, Part 5, Mortar and Grout

Masonry cements, proprietary mortar mixes, are sometimes used to replace portland cement and hydrated lime or combined with portland cement to make mortar. BIA M1, ASTM C 270 and ASTM C 1142 Ready-Mixed Mortar for Unit Masonry are the recommended standards for mortar to be used with brick masonry. Grout is different from both concrete and mortar.


mortar. This will ensure that in the event of seismic activity the tensile bond strength or adhesion of the mortar will fracture rather than the bricks themselves. NZS4210:2001 provides for a strength requirement for structural masonry but not for brick veneer and states that mortars for veneers shall follow the strength requirement of the ...

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